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LIGHT SOURCE OR LIGHT SOURCE SUPPORT AND LUMINESCENT MATERIAL

Subclass of:

362 - Illumination

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DocumentTitleDate
20130044458LIGHT AMPLIFICATION UNIT - A general purpose energy saving light amplification unit suitable as a lantern, guide light, background light, safety light, ornament or decorative object, said unit adapted to harness external surrounding ambient light, or other remote energy sources from at least two directions, employing a plurality of reflector members to receive and concentrate energy in order to luminesce or fluoresce an optimally placed mutually shared luminescent or fluorescent body member, lodged in a tapered or convergent section of a hyperbola or between at least two juxtaposed reflectors, stimulating photon and electron activity resulting in maximum amount of transmitted visible light from at least two directions, irrespective of receptive direction or angle of origin of light source.02-21-2013
20110182054LIGHT SOURCE MODULE - The present invention provides a light source module. The light source module includes a circuit board, a metal base, a plurality of LEDs, a plurality of bonding wires and a reflective layer. The metal base is arranged on the circuit board and has a bottom wall and a peripheral wall upwardly extending from the bottom wall. The bottom wall and the peripheral wall cooperatively define a recess. The bottom wall has a through groove exposing the circuit board. The LEDs are arranged on the bottom wall. The bonding wires electrically connect the LEDs to the circuit board through the through groove. The reflective layer is arranged in the through groove and seals the through groove. Therefore, the light source module has better heat dissipation effect and the overall illumination intensity of the light source module is increased.07-28-2011
20120162963LIGHTING SYSTEM WITH GRAVITY CONTROLLED LIGHT BEAM - A lighting system (06-28-2012
20100020532LIGHTING DEVICE - A lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface of the luminescent element being at least twice as large as the illumination surface of the light emitter. Also, a lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface of the luminescent element surface being at least twice as large as and substantially parallel to the illumination surface of the light emitter. Also, a lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface area of a projection of the luminescent element being at least twice as large as a surface area of a projection of the light emitter.01-28-2010
20090196015Lighting module with wavelength converting structure and manufacturing method for the same - The present invention relates to a lighting module and manufacturing Method for the Same, and more particularly, to a lighting module with a flat wavelength converting structure for reducing mura. The lighting module provided by the present invention includes a frame, one or more light sources disposed on the frame, and a flat wavelength converting structure shared by the light sources for emitting light with aimed wavelength; the present invention provides a lighting module emitting light with mura that insensible to eye or with lower mura at elevated diffusion angle compared to that provided by the traditional one; therefore, the present invention also provides a lighting module occupying smaller volume; or a lighting module with fewer light sources and sharing the similar thickness of the traditional one, which emits light with similar or lower mura compared to the traditional one.08-06-2009
20090196014PATTERNED WAVELENGTH CONVERTING STRUCTURE - The present invention provides a patterned wavelength converting structure comprising a frame, a light source, a substrate, a film, a wavelength converting layer and a pattern disposed on the film. The pattern and the wavelength converting layer can be one piece. The configuration, for example, the distribution of diffusion particles, the location, the shape or the thickness, of the pattern is configured to reduce the mura or affect the desired uniformity of a lighting area.08-06-2009
20130044456ILLUMINATION DEVICE - An illumination device includes an irradiation unit having a light emitting element and fluorescent bodies excited by the light from the light emitting element to radiate light of different wavelengths. The irradiation unit irradiates composite light of blue, green and red lights having half value widths of 20-40 nm, 110-150 nm and 80-110 nm and peak wavelengths of 440-465 nm, 545-555 nm and 630-650 nm, respectively. If the output value of the light in a wavelength 435-465 nm is assumed to be 100%, the output values of the lights having wavelengths of 490, 530 and 639 nm fall within 46-56%, 59-77% and 75-93%, respectively. The ratio of the output value of the light of 630 nm to that of the light of 530 nm falls within 73-86%.02-21-2013
20100128462ILLUMINATION DEVICE WITH SELECTABLE OPTICAL WAVELENGTH CONVERSION - An illumination device includes a light source emitting light of certain wavelength and a light transmissive element having optical wavelength converting regions. Each optical wavelength converting region can be selectively positioned opposite to the light source. The optical wavelength converting region opposite to the light source receive the light emitted from the light source and convert the wavelength of the light.05-27-2010
20090122514LED MODULE FOR ILLUMINATION - The present invention relates to an LED module for illumination, and more particularly, to an LED module for illumination capable of enhancing light emitting efficiency by having a light emitting structure, in which the thickness of an insulation substrate with an electrode pattern formed on a top portion thereof is minimized, a heat radiation substrate is formed by integrally attaching a radiator to a bottom surface of the insulation substrate, and LED elements are attached to the electrode pattern of the heat radiation substrate through silver epoxy with excellent heat conductivity as an adhesive agent, so that heat generated from the LED elements can effectively radiate through the radiator, white light is effectively generated from the light emitted from the LED elements, and the white light can be emitted to the outside maximally.05-14-2009
20090122513BACKLIGHT MODULE - A backlight module includes: a transparent panel having a grooved surface and a planar surface opposite to the grooved surface, the transparent panel being formed with a plurality of elongate grooves that are indented from the grooved surface and that are aligned in a first lateral direction, each of the elongate grooves extending in a second lateral direction transverse to the first lateral direction, and having an open end; a board attached to the grooved surface of the transparent panel to cover the open ends of the elongate grooves; a reflecting material provided on one of the planar surface of the transparent panel and the board; and a plurality of light emitting sources disposed respectively in the elongate grooves for radiating light.05-14-2009
20100157573Light source apparatus - A light source apparatus includes a first light emitter, a second light emitter, and a third light emitter. The first light emitter has a peak wavelength within the range from 600 nm to 660 nm and a wavelength range at half peak intensity wider than the range from 600 nm to 660 nm, the second light emitter has a peak wavelength within the range from 530 nm to 570 nm and a wavelength range at half peak intensity wider than the range from 530 nm to 570 nm, and the third light emitter which a peak wavelength is 420 nm-470 nm in a spectral power distribution thereof.06-24-2010
20100118511LIGHTING SYSTEMS - Assemblies compliant with night vision imaging system (NVIS) standards are described. Versions of the assemblies incorporate filtering material into an encapsulant for a light-emitting diode (LED) die, avoiding any necessity of using external filtering agents. Alternatively or additionally, filtering material may be incorporated into a housing of an encapsulated LED.05-13-2010
20130083510LIGHTING DEVICE - A lighting device may be provided that includes: a light emitting device; and an optical exciter which is disposed over the light emitting device and emits light excited by the light emitted from the light emitting device, wherein the optical exciter includes at least one of a yellow fluorescent material, a green fluorescent material and a red fluorescent material, wherein the optical exciter moves over the light emitting device, and wherein a color temperature of the light emitted from the optical exciter varies according to the movement of the optical exciter.04-04-2013
20130039032LIGHT EMITTING DEVICE AND LCD BACKLIGHT USING THE SAME - The present invention provides a light emitting device which comprises blue and red light emitting diode (LED) chips and at least one phosphor for emitting green light by means of light emitted from the blue LED chip, and an LCD backlight including the light emitting device. According to the light emitting device of the present invention, uniform white light can be implemented and both high luminance and wider color reproduction range can also be obtained. Accordingly, an LCD backlight for uniform light distribution on an LCD as well as low power consumption and high durability can be manufactured using the light emitting device.02-14-2013
20130039033Lensed Cable Light Systems - A light assembly includes an electroluminescent cable, an elongated lens, and a substantially planar substrate. The electroluminescent cable has an outer surface extending along a longitudinal dimension of the electroluminescent cable. The elongated lens extends along the longitudinal dimension of the electroluminescent cable and encloses at least a portion of the outer surface of the electroluminescent cable. The elongated lens is adapted to refract light emitted from the electroluminescent cable. The elongated lens structure is adhered to the substantially planar substrate. In certain instances, the substrate is a reflective substrate adapted to reflect light emitted from the electroluminescent cable.02-14-2013
20130077285LAMP - A lamp pertaining to the present invention has an envelope including a base. The envelope houses semiconductor light-emitting elements, a circuit unit lighting the semiconductor light-emitting elements, and a light-guiding member. The light-guiding member has a hollow portion, and the circuit unit is housed in the hollow portion. The light-guiding member includes a light-receiving portion and a light-emitting portion connected to the light-receiving portion. The light-guiding member is held within the envelope such that the light-emitting portion faces the semiconductor light-emitting elements.03-28-2013
20130033848COMPACT, THERMALLY-ENHANCED SUBSTRATE FOR LIGHTING APPLICATIONS - A solid state light source module having a compact, thermally enhanced substrate with one or more recessed pockets, is provided. The module includes a solid state light source and an electrical connection for the solid state light source, such that it is able to receive power so as to generate light. The solid state light source is connected to a substrate having an upper surface and a lower surface. The substrate includes a recessed pocket in the upper surface, defined by a wall and a floor that are at least large enough to accommodate the solid state light source; thus, the solid state light source sits within the recessed pocket. This allows the module to be substantially flat, even with an attached optical system, even utilizing remote phosphor technology, and increases the amount of heat dissipated by a thermal management system that is part of, or connected to, the module.02-07-2013
20090190326LED ILLUMINATION APPARATUS - The present invention aims to realize a technique to make precise chromaticity changes over a wide range in an LED illumination apparatus based on a white LED light, and comprises a first LED; a package for accommodating said first LED; a transparent medium for filling said package, said transparent medium containing a fluorophore which generates a white light when said first LED emits light; and a plurality of LEDs, wherein said first LED and the plurality of LEDs respectively have different dominant wavelengths.07-30-2009
20090190325LIGHT SOURCE MODULE OF LIGHT EMITTING DIODE - A light source module of light emitting diode includes a substrate having circuits, a light-converted component, and several of light emitting diodes. The light-converted component includes a transparent substrate and a fluorescence material layer positioned on the transparent substrate. The fluorescence material layer is divided into a central region and several of surrounding regions surrounding the central region. The central region has a greatest concentration of fluorescence material. The concentration of fluorescence material in the surrounding regions decreases from the center to the outer periphery of the fluorescence material layer. The light emitting diodes form an array and are positioned on the substrate between the substrate and the fluorescence material layer. Each of the light emitting diodes is electrically connected to the circuits.07-30-2009
20130044457LIGHTING APPARATUS - The invention relates to a lighting apparatus comprising a conversion material (02-21-2013
20090154137Illumination Device Including Collimating Optics - A structure for providing a collimated light beam includes a light source configured to emit light having a first peak wavelength combined with a group of structures configured to direct at least a portion of light exiting the light source in a direction substantially perpendicular to a top surface of the light source and reflect another portion. In some embodiments, a wavelength converting element is positioned in a path of light emitted from the light source, the wavelength converting element configured to absorb at least a portion of the light having a first peak wavelength and emit light having a second peak wavelength. The group of structures may be formed over the wavelength converting element, such that the wavelength converting element is disposed between the group of structures and the light source.06-18-2009
20130027905LED LIGHT ENGINE - An integrated Light Emitting Diode (LED) device including multiple LEDs connected to a circuit board, integrated circuit (IC) drivers connected to the circuit board, and a first alternating current (AC) terminal and a second AC terminal connected to the circuit board.01-31-2013
20130027904LED Lighting Device - A solid-state light emitting diode (LED) lighting device is disclosed for use in general lighting. In the preferred embodiment, the LED lighting device comprises a heat sink, a light dome, a light divider, a light distribution plate, and an output globe. A plurality of diffusively reflective compartments are formed inside the output globe for effective light scrambling. The light distribution plate, together with a shaped heat sink and a substantially transparent matching output globe, further enhances omni-directional lighting distribution and luminous efficacy. In some preferred embodiments, color mixing or remote wavelength conversion luminescent phosphor particles are utilized for improved color reproduction. The LED lighting device has high luminous efficacy, indirect glare-free surface illumination, omni-directional distribution, and good color reproduction.01-31-2013
20130083509IMAGE GENERATING DEVICE WITH IMPROVED ILLUMINATION EFFICIENCY - An image generating device includes a first light source, a light conversion element, and an image generating element. The first light source is for generating light with a first wavelength. The light conversion element is disposed on a light path of the light with the first wavelength. The light conversion element includes a first quantum dot layer for converting light with wavelengths under a second wavelength to light with the second wavelength, and a second quantum dot layer for converting light with wavelengths under a third wavelength to light with the third wavelength. The first wavelength is smaller than the second wavelength, and the second wavelength is smaller than the third wavelength. The image generating element is for generating images according to light transmitted from the light conversion element.04-04-2013
20120182715LED LIGHTING ARRANGEMENT INCLUDING LIGHT EMITTING PHOSPHOR AND METHOD OF MANUFACTURE - An optical component for an LED lighting arrangement comprises a transparent material having a surface and one or more photoluminescent (phosphor) materials deposited as a layer on the surface of the transparent material. The phosphor material layer can be deposited using a deposition approach including spraying, dropping, printing, painting, spin coating or tape casting. The phosphor material layer has a thickness in a range of 20 to 500 μm. The component can further comprising a light diffusing material which can be provided in a separate layer from the phosphor material layer or provided in the phosphor material layer. The light diffusing material can be deposited using a deposition approach including spraying, dropping, printing, painting, spin coating or tape casting.07-19-2012
20120182714COMPOSITE FILM FOR LIGHT-EMITTING APPARATUS, LIGHT-EMITTING APPARATUS AND METHOD FOR PRODUCING THE COMPOSITE FILM - Provided is a composite film used for a light emitting apparatus including a light emitting device. The composite film includes a fluorescent layer including phosphors and an optical plate disposed on the fluorescent layer, and diffusing, reducing or mixing at least one of light emitted by the light emitting device, light emitted by the phosphors and a combination thereof.07-19-2012
20120182713LIGHTING UNIT WITH LIGHT EMITTING ELEMENTS - The invention provides systems and methods for providing illumination. A lighting unit may be provided with a support structure, a circuit board supporting a plurality of light emitting elements, and a base optical member. The circuit board may be flexible, and may be curved to provide strong thermal contact with the support structure. The light emitting elements may extend beyond a side of the circuit board. The base optical element may have castellations, wherein the light emitting elements may be located between the castellations.07-19-2012
20120182712ILLUMINATION SYSTEM - An illumination system for use in a projection device is provided. The illumination system comprises a first light source, a second light source, an optical device, a wavelength transformer and a first dichroic minor. The first light source and the second light source emit a first light beam and a second light beam respectively. The optical device defines a main optical axis and focuses the first light beam and the second light beam on a first focal point and a second focal point respectively, wherein the first focal point and the second focal point are disposed on two opposite sides of the main optical axis respectively. The wavelength transformer is disposed on the second focal point and transforms the second light beam into a third light beam. The first dichroic minor is disposed between the light sources and the optical device. The first light beam and the second light beam are allowed to pass through the first dichroic minor, and the third light beam is reflected by the first dichroic mirror. After being reflected by the first dichroic minor, the third light beam is focused onto the first focal point.07-19-2012
20120182711OMNIDIRECTIONAL LED BASED SOLID STATE LAMP - A lighting apparatus includes a bilaterally symmetrical light engine comprising first and second light emitting diode (LED) devices or planar LED device arrays facing opposite directions, and an envelope including phosphor spaced apart from and surrounding the bilaterally symmetrical light engine. The phosphor is effective to convert light emitted by the light engine to emission light. The bilaterally symmetrical light engine may be configured to emit light having a bilaterally symmetrical intensity distribution that is uniform except at emission angles within 10° of the symmetry plane of the bilaterally symmetrical light engine. Each of the first and second LED devices or planar LED device arrays may comprise at least one hemispherically emitting LED device including an LED chip and an encapsulant encapsulating the LED chip and shaped to refract light emitted by the LED chip into a uniform distribution over a hemispherical solid angle.07-19-2012
20130070440OLED Light Panel in Combination with a Gobo - A first device is provided. The first device may include a first light source comprising one or more organic light emitting devices and a gobo that is optically coupled to the first light source. The gobo may allow differential transmission of light emitted by different parts of the first light source so as to create a fixed variation in the light emitted by the first device.03-21-2013
20130070441LIGHT EMITTING DEVICE PACKAGE AND LIGHTING SYSTEM INCLUDING THE SAME - Provided are a light emitting device package and a lighting system including the light emitting device package. The light emitting device package includes a package body, at least one electrode on the package body, a light emitting device on the package body, a reflective structure around the light emitting device on the package body and a lens on the light emitting device and the electrode.03-21-2013
20130070443DOWN CONVERSION - The present invention relates inter alia to an array comprising i times j array elements, wherein the array elements may comprise at least one quantum dot and/or at least one photoluminescent compound. Further the present invention relates to devices comprising these arrays. The arrays and devices can be used to generate white light with high color purity.03-21-2013
20130070442LIGHTING DEVICE - A lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface of the luminescent element being at least twice as large as the illumination surface of the light emitter. Also, a lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface of the luminescent element surface being at least twice as large as and substantially parallel to the illumination surface of the light emitter. Also, a lighting device comprising at least one solid state light emitter and at least one luminescent element spaced from the light emitter, a surface area of a projection of the luminescent element being at least twice as large as a surface area of a projection of the light emitter.03-21-2013
20130070439COLOR CONVERSION OCCLUSION AND ASSOCIATED METHODS - A light converting device is described for receiving source light within a source wavelength range, converting the source light into a converted light, and reflecting the converted light to a desired output direction. The lighting device may use a color conversion occlusion to receive the source light and reflect a converted light in the desired output direction. The converted light may be intermediately reflected by the enclosure as it is directed in the desired output direction.03-21-2013
20130050980LUMINESCENT MATERIAL - According to one embodiment, the luminescent material emits light with an emission peak within a wavelength range of 490 to 580 nm when excited with light having a wavelength range of 250 to 500 nm and includes a particle containing a Sr02-28-2013
20130050983COMPOSITE GLASS PANE AS A HEAD-UP DISPLAY - Composite glass pane comprising at least 02-28-2013
20130050978ILLUMINATOR USING A COMBINATION OF PSEUDO-WHITE LED AND LENS SHEET - There is provided an illuminator comprising: a light source that radially emits white lights in a forward direction; and a lens sheet that is arranged facing the light source and that has a plurality of prisms on one side thereof concentrically at an optical axis so as to control orientation of the white lights that are emitted from the light source, wherein the light source is composed of: a luminous element that emits lights with a predetermined wavelength; and a sealing body that covers the luminous element and that includes phosphors therewith, the phosphors being adapted to receive the lights with the predetermined wavelength which are emitted from the luminous element so as to emit fluorescence, and the lens sheet includes prisms that have focal distances each different from the prisms adjacent thereto.02-28-2013
20130050981Method and Apparatus for Solid State Illumination - A light source includes two excitation light sources generating two respective excitation lights, a filter, and a wavelength conversion material. The second excitation light has a peak wavelength shorter than that of the first excitation light. The transmittance curves of the filter are dependent on the input angle. The first and second excitation lights are inputted to the filter at angles smaller than a first threshold angle, and angles between the first and a third threshold angle, respectively. Both excitation lights pass through the filter to excite the wavelength conversion material, which generates a converted light but reflects some of the excitation lights. Part of the reflected first excitation light reaches the filter at input angles greater than a second threshold angle and is reflected by the filter back to the wavelength conversion material for recycling. The third and second threshold angles are greater than the first threshold angle.02-28-2013
20130050979REDUCED PHOSPHOR LIGHTING DEVICES - A lighting device comprising a solid-state light source, and a diffuser configured for color mixing of the light from the solid-state light source and spatially separated therefrom, the diffuser comprising at least one phosphor material. Methods of fabricating a lighting device having a reduced total amount of phosphor comprising combining an amount of phosphor with a diffuser structure.02-28-2013
20130050982Method And Apparatus For A Light Source - A light-emitting device having a light source die mounted within an aperture is disclosed. The aperture is covered by a die attach pad on one side. The light source die is mounted on a die attach pad within the aperture. In one embodiment, an optical coupling layer can be formed within an aperture encapsulating a light source die. A wavelength converting layer can be formed on the substrate above the optical coupling layer. The wavelength converting layer can comprise a high density layer and a low density layer. The high density layer can comprise wavelength-converting material precipitated on one side of the wavelength converting layer. The low density layer can comprise the wavelength-converting material in particle form suspended within the wavelength converting layer. In one embodiment, the wavelength converting layer may be confined within the aperture of the substrate.02-28-2013
20130088853ILLUMINATION DELIVERY SYSTEM FOR GENERATING SUSTAINED SECONDARY EMISSION - An illumination delivery system for generating sustained secondary emission that includes at least an illumination source, a waveguide, and one or more energy conversion layers is disclosed. Also disclosed are methods of using the inventive illumination delivery system for generating sustained secondary emission.04-11-2013
20130088852ILLUMINATION APPARATUS - The wavelength conversion member includes a plurality of fluorescent members that absorb the excitation light and emit fluorescent light having a peak wavelength different from the peak wavelength of the excitation light. The wavelength conversion member has a surface irradiated with excitation light that faces an excitation light emitting surface of the excitation light source. The optical axis passes the center of the surface irradiated with excitation light. The plurality of fluorescent members are arranged in a divisional manner at such proportions that a circumferential area ratio, which is defined as the ratio of area occupied by each of the fluorescent members in a concentric annular region having a center located at the center of the surface irradiated with excitation light on the surface irradiated with excitation light of the wavelength conversion member, is substantially constant irrespective of the radius of the concentric annular region.04-11-2013
20130088851LIGHTING MODULE AND LIGHTING DEVICE THEREOF - A lighting device is provided, which includes a substrate, at least one lighting element and at least one optical element. The lighting element is disposed on the substrate, wherein the lighting element produces light. The optical element, disposed on a light-emitting path of the light, wherein the optical element includes a base and a refractive portion. The base includes a first end and second end, wherein the second end is thinner than the first end. The refractive portion is connected to the second end of the base, wherein the refractive portion includes a curved surface.04-11-2013
20130088849SOLID-STATE LAMPS WITH IMPROVED RADIAL EMISSION AND THERMAL PERFORMANCE - A solid-state lamp comprises: one or more solid-state light emitting devices (typically LEDs); a thermally conductive body; at least one duct; and a photoluminescence wavelength conversion component remote to the one or more LEDs. The lamp is configured such that the duct extends through the photoluminescence wavelength conversion component and defines a pathway for thermal airflow through the thermally conductive body to thereby provide cooling of the body and the one or more LEDs.04-11-2013
20130088848SOLID-STATE LAMPS WITH IMPROVED RADIAL EMISSION AND THERMAL PERFORMANCE - A solid-state lamp comprises: one or more solid-state light emitting devices (typically LEDs); a thermally conductive body; at least one duct; and a photoluminescence wavelength conversion component remote to the one or more LEDs. The lamp is configured such that the duct extends through the photoluminescence wavelength conversion component and defines a pathway for thermal airflow through the thermally conductive body to thereby provide cooling of the body and the one or more LEDs.04-11-2013
20090323305LED PAR AND R LAMPS - A PAR-type light bulb includes an LED lacking a phosphor coating, the LED covered by a lens having a phosphor coating, and a base comprising reverse threads.12-31-2009
20130088850POLYHEDRON, ROTATIONAL ARRANGEMENTS, LIGHT SOURCE ARRANGEMENTS, A LIGHT SOURCE DEVICE, A LIGHTING DEVICE, A THREE-DIMENSIONAL BODY AND PROJECTORS - According to an embodiment, a polyhedron may be provided. The polyhedron may include a first luminescent face; and a second luminescent face.04-11-2013
20090303694LIGHT EMITTING DEVICE AND LIGHTING SYSTEM HAVING THE SAME - The present invention provides a light emitting device comprising a first light emitting portion that emits white light at a color temperature of 6000K or more and a second light emitting portion that emits white light at a color temperature of 3000K or less, which include light emitting diode chips and phosphors and are independently driven. The present invention has an advantage in that a light emitting device can be diversely applied in a desired atmosphere and use by realizing white light with different light spectrums and color temperatures. Particularly, the present invention has the effect on health by adjusting the wavelength of light or the color temperature according to the circadian rhythm of humans.12-10-2009
20120218737LIGHTING APPARATUS - A lighting apparatus includes a base unit and a light emitting unit. The light emitting unit includes a substrate, a light emitting device and a reflective layer. The substrate is provided around a first axis which is along a direction from the base unit toward the light emitting unit. The substrate includes a portion having a tubular configuration opening downward from above. The tubular portion includes a plurality of light emission side surfaces disposed alternately around the first axis with a plurality of reflection side surfaces. The light emitting device is provided on each of the plurality of light emission side surfaces. The reflective layer is provided on each of the plurality of reflection side surfaces. The reflective layers are configured to reflect at least a portion of light emitted from the light emitting devices.08-30-2012
20120218735MEDICAL LUMINAIRE HAVING A LUMINOPHORE LAYER - A medical light for illuminating fluorescent areas. The medical light including: at least one light-emitting diode with at least one luminophore layer for converting short-wave light into broad-band light; and a control device for controlling illumination from the at least one light-emitting diode, wherein the control device controls a ratio between converted and unconverted light and the converted and unconverted light are emitted over a common light guide.08-30-2012
20100097779HIGH INTENSITY PULSED LIGHT SOURCE CONFIGURATIONS - A high-intensity light source configuration has a long lifetime and can be modulated at a high rate. The configuration includes a movable member mounted to an actuator; a light-emitting phosphor region associated with the movable member; an input light source that illuminates the light-emitting phosphor region at a spot that is fixed relative to an emitted light output region; and a light source controller controlling the movable member actuator and the input light source. The input light source (e.g., laser) provides high-intensity input light to the illuminated spot, causing the light-emitting phosphor region to emit high-intensity output light. The light-emitting phosphor region is moved relative to the illuminated spot so as to reduce optical quenching and photobleaching, to thereby extend the life of the light source configuration. The phosphor region may emit broadband light and/or may include respective sub-regions having phosphors that emit respective peak wavelengths.04-22-2010
20090091916MANUFACTURING METHOD OF SUBSTRATE, MANUFACTURING METHOD OF WIRING BOARD, WIRING BOARD, ELECTRONIC DEVICE, ELECTRON SOURCE, AND IMAGE DISPLAY APPARATUS - To provide a method for simply manufacturing a substrate provided with a flat surface shape. Specifically, a method for manufacturing a substrate according to the present invention includes the steps of preparing a structure including a glass layer and a precious metal particle having a diameter not less than 1 μm and not more than 10 μm disposed on the glass layer while contacting thereto; and putting the precious metal particle in the glass layer by heating the structure at a temperature which is lower than a softening point of the glass layer.04-09-2009
20090091915Illumination device with mechanically adjustable color conversion system - A mechanically adjustable color conversion system for illumination devices comprised of light sources oriented linearly or in an array located under a fluorescent dyed clear or defused plastic element which has holes that carefully align with the light sources, dyed element which can be moved thru some simple mechanical fashion in such a way that there can be careful control of the light that goes directly thru the hole in one extreme or that progressively goes less thru the hole and more thru the fluorescent dyed element until all the light goes thru the dyed element at the other extreme thus allowing for the simple mechanical adjustment of the color or hue of light from the light source.04-09-2009
20130058072LIGHT-SOURCE DEVICE - Disclosed is a light-source device that allows for the color recognition and can prevent a UV (ultraviolet)-sensitive illuminated object from becoming exposed. A user can freely select the wavelength of said light-source device in accordance with the intended use. The light-source device is provided with a light-source unit comprising a combination of a plurality of light-emitting diode elements that emit different wavelengths of light; a control unit that controls the output of each of the various light-emitting diode elements in the light-source unit independently of each other; and a power supply unit that supplies power to the light-source unit and the control unit. The plurality of light-emitting diode elements include, at least, a blue light-emitting diode element. The blue light-emitting diode element emits a blue light with a wavelength of at least above 420 nm.03-07-2013
20110038138VISIBLE LIGHT GENERATED USING UV LIGHT SOURCE - A device and method for an ultraviolet light (UV) light based visible light generator is disclosed. The UV light source emits a beam of UV light that may be scattered or reflected onto surfaces including UV light reactive materials that produces visible light when exposed to UV light. The UV light may be coherent or non-coherent light. The UV light reactive material may include quantum dot material.02-17-2011
20130114242SOLID STATE LIGHTING DEVICE INCLUDING MULTIPLE WAVELENGTH CONVERSION MATERIALS - A solid state lighting device includes a solid state light emitter combined with a lumiphor to form a solid state light emitting component, at least one lumiphor spatially segregated from the light emitting component, and another lumiphor and/or solid state light emitter. The solid state light emitting component may include a blue shifted yellow component with a higher color temperature, but in combination with the other elements the aggregated emissions from the lighting device have a lower color temperature. Multiple white or near-white components may be provided and arranged to stimulate one or more lumiphors spatially segregated therefrom.05-09-2013
20120224353SM-ACTIVATED ALUMINATE AND BORATE PHOSPHORS - The invention relates to phosphors of the formula (I) (Ln09-06-2012
20120224352LED LAMP - An LED lamp has a lamp body, a base provided on one end of the lamp body, a light transmissive cover provided on an opposite side of the lamp body from the base, a light source substrate disposed inside the light transmissive cover, and at least one LED unit mounted on the light source substrate. The LED unit has an LED chip and a light transmissive encapsulant encapsulating the LED chip. The LED chip is mounted on the light source substrate. The encapsulant is molded such that the encapsulant is raised from the light source substrate. The LED unit radiates light from an entire surface of the encapsulant in an angular range including a region around a periphery of the LED unit.09-06-2012
20130063925LUMINAIRE - The invention relates to a luminaire (03-14-2013
20130063924SOLID STATE LIGHTING DEVICES HAVING REMOTE LUMINESCENT MATERIAL-CONTAINING ELEMENT, AND LIGHTING METHODS - A lighting device comprising a first group of solid state light emitters, an element containing luminescent material and a second group of solid state light emitters spaced from the element. In some embodiments, (1) at least 50% of light emitted by one of the first group does not mix with light emitted by the second group before the light emitted by the second group has entered the element, (2) at least 90% of exiting light emitted by the second group travels farther within the lighting device than 90% of exiting light emitted by the first group, (3) an average distance traveled by exiting light emitted by the second group is farther than an average distance traveled by exiting light emitted by the second group, and/or (4) light emitted by the first group directly exiting the lighting device exits the lighting device without being incident upon the element.03-14-2013
20130063926PHOSPHORS - The invention relates to mixtures comprising at least one phosphor of the formula I,03-14-2013
20090262515LIGHT EMITTING DEVICE - Disclosed herein is a light emitting device including one or more light emitting diodes to primarily emit light having different wavelengths in the wavelength range of ultraviolet rays and/or blue light, and a wavelength-conversion means to convert the primary light into secondary light in the visible light wavelength range. The light emitting device of the current invention has a high color temperature of 2000 to 8000 K or 10000 K and a high color rendering index of 90 or more, thus easily realizing desired emission on the color coordinate system. Therefore, the lighting emitting device is applicable to mobile phones, notebook computers, and keypads or backlight units for various electronic products, and, in particular, automobiles and exterior and interior lighting fixtures.10-22-2009
20090237912Personal article with electron luminescent display - A personal article includes an electron luminescent display (ELD), a circuit protection tube, a power supply circuit, a personal article body and a plurality of plastic membranes, wherein two electrodes of the ELD are connected to an electrode conducting wire, the circuit protection tube is made of a plastic material for covering and protecting the two electrode conducting wires, the power supply circuit is fixed into the personal article body and connected to the electrode conducting wire for supplying electric power to the ELD, an extended portion is formed around the plastic membrane for sealing the ELD, and the ELD is sewed or adhered onto the personal article body through the extended portion, and at least one connecting plate is extended axially from the circuit protection tube and is sewed or adhered onto the personal article. Therefore, the personal article can improve the nighttime visibility.09-24-2009
20090231831FLAT PANEL DISPLAY AND BACKLIGHT MODULE THEREOF - The invention is related to a flat panel display and a backlight module thereof. The backlight module comprises a light source and a plurality of wavelength converters. The light source formed by some arranged luminous elements would radially emit light with an optical wavelength individually. These wavelength converters are near the light source and convert the light with the wavelength. The converted light with another wavelength is radially emitted, in which a portion of the converted light with another wavelength is emitted outward directly from the wavelength converter, while the other portion thereof is emitted from the wavelength converter toward the other wavelength converters.09-17-2009
20090231830Transparent White Fluorescent Glass - A transparent white fluorescent glass is provided which contains a soda lime glass as a base material, 0.8 to 2.5 wt % of Sn, calculated as SnO, and 0.045 wt % or less of Fe, calculated as Fe09-17-2009
20120113618OPTICAL MEMBER AND DISPLAY DEVICE - Disclosed are an optical member and a display device. The display device includes a light source, a plurality of wavelength conversion particles to convert a wavelength of a light emitted from the light source, a receptacle receiving the wavelength conversion particles and having a protrusion on an inner surface thereof, a sealing part inserted into the receptacle to seal an inner part of the receptacle, and a display panel to display an image by receiving a light converted by the wavelength conversion particles.05-10-2012
20120113617Luminescent Ceramic Converter and LED Containing Same - There is herein described a luminescent ceramic converter that comprises a flat, monolithic piece of a ceramic material containing a luminescent species wherein a concentration of the luminescent species in a peripheral region of the converter is lower than in a central region of the converter.05-10-2012
20120236537LIGHTING DEVICE WITH LOW GLARE AND HIGH LIGHT LEVEL UNIFORMITY - A lighting device, comprising at least a first light control element, at least a first light source positioned so that at least a portion of light emitted by the first light source passes through at least a portion of the first light control element and at least a first luminescent material, at least a portion of the first luminescent material being spaced from the first light source, the first luminescent material being positioned so that at least a portion of light emitted by the first light source excites at least a portion of the first luminescent material.09-20-2012
20120236535LIGHT BULB WITH ADJUSTABLE LIGHT SOURCE - A light bulb includes a base for mechanically mounting the light bulb and for receiving electrical power, a light guide, and a light source that directs output light into the light guide. The light source includes a light emitting device that emits light, and a variable spectrum adjuster that is variably positionable relative the light path of light emitted by the light emitting device. The spectrum adjuster includes a region of continuously-variable spectrum-adjusting material, usable for adjusting the spectrum of light passing through the spectrum adjuster. In some embodiments, the spectrum adjusting material is a color-attenuating material, such as a filtering material. In other embodiments, the spectrum-adjusting material is a wavelength-shifting material, such as a phosphor, or another suitable type of material that shifts the wavelength of light incident.09-20-2012
20120236534ADJUSTABLE LIGHT SOURCE - A light source includes a light emitting device that emits light, and a spectrum adjuster that is positionable relative a light path of the light emitted by the light emitting device. The spectrum adjuster includes a region of continuously-variable spectrum adjusting material, usable for adjusting the spectrum of light passing through the spectrum adjuster. The variable spectrum adjusting material may be color-attenuating material, such as a filtering material, or may be wavelength-shifting material, such as a phosphor. The light source has adjustable spectrum of its output light depending upon the relative positioning of the light emitting device and the spectrum adjuster.09-20-2012
20120236533FLUORESCENT TUBE TYPE LED LAMP - A fluorescent tube type LED lamp includes an elongated lamp body that has a largest dimension in a longitudinal direction, a light source substrate mounted on the lamp body, a light transmissive cover attached to the lamp body, and an LED unit mounted on the light source substrate such that the LED unit extends in the longitudinal direction of the lamp body. The LED unit includes a plurality of LED chips mounted on the light source substrate, and a transparent encapsulant encapsulating the LED chips. The encapsulant is molded such that the encapsulant is raised from the light source substrate. The LED unit radiates light from an entire surface of the encapsulant in an angular range including a region lateral to the lamp body.09-20-2012
20120236532LED ENGINE FOR ILLUMINATION - A light-emitting device (LED) engine includes: a body having a through-hole; a light-emitting module that is disposed under the body, includes at least one light emitting device, and is disposed to expose a light-emitting surface via the through-hole; and a printed circuit board (PCB) which is disposed under the body, to which the light-emitting module is coupled, and includes a terminal unit for supplying power to the light-emitting module.09-20-2012
20120236531LOW HEIGHT DISPLAY USING MULTILAYER PRINTED CIRCUIT BOARD WITH A LAMINATED PANEL AS HOUSING - A multi-segment display is disclosed. Specifically, a low height LED-based display is disclosed that includes a number of segments. The segment construction may include a Printed Circuit Board (PCB) layer, a first substrate, and a second substrate that are laminated or otherwise connected to one another. The first and second substrates may include windows which allow light generated by a light source mounted on the PCB to exit the display and one or more of the windows may be filled with an encapsulant.09-20-2012
20130163224ILLUMINATION SYSTEM AND WAVELENGTH-TRANSFORMING DEVICE THEREOF - An illumination system includes a wavelength-transforming device, a solid-state light-emitting element and a filter wheel. The wavelength-transforming device comprises a segment and a wavelength-transforming element disposed on the segment. The solid-state light-emitting element emits first color light in first waveband region to the wavelength-transforming device. The filter wheel is disposed on one side of the wavelength-transforming device for filtering lights via rotating. The first color light is excited as second color light in second waveband region by the wavelength-transforming device, so that the second color light is outputted with the rest of the first color light. The first and second color lights are transmitted through the filter wheel, such that three primary color lights are sequentially projected. The present invention achieves the advantages of reducing cost, simplifying fabricating processes, being available for high working temperature, and further improving image quality without using red phosphor agent or red solid-state light-emitting element.06-27-2013
20130163225WAVELENGTH CONVERTING DEVICE AND LIGHT EMITTING DEVICE USING THE SAME - Provided is a wavelength converting device having excellent optical output.06-27-2013
20110044026ILLUMINATION DEVICE WITH LED WITH A SELF-SUPPORTING GRID CONTAINING LUMINESCENT MATERIAL AND METHOD OF MAKING THE SELF-SUPPORTING GRID - The invention provides an illumination device (02-24-2011
20090122515USING MULTIPLE TYPES OF PHOSPHOR IN COMBINATION WITH A LIGHT EMITTING DEVICE - Light is emitted from a light emitting device. The light emitted from the light emitting device is combined with light from a first type of phosphor and a second type of phosphor. The first type of phosphor and the second type of phosphor are within an epoxy placed over the light emitting device. The first type of phosphor, when excited, emits light of a first color. The second type of phosphor, when excited, emits light of a second color. The first color and the second color are different.05-14-2009
20090129053LIGHT-ENHANCED ELEMENT - The present invention provides a light-enhanced element including a transparent element including a fluorescent brightening agent, wherein the fluorescent brightening agent can absorb the first light emitted by a light-emitting element and subsequently emits the second light having a wavelength longer than that of the first light.05-21-2009
20100033948Color Tunable Light Source - A lighting module includes a light output window, at least one side wall that defines a cavity and a mounting plate, and at least one light source, and at least one reflector that is within the cavity. The light output window may be one of the side walls in a side-emitting configuration. The spectral distribution of the light coming out of the light output window may be changed by manipulating the relative position of the side wall to the at least one reflector that is within the cavity.02-11-2010
20130188331SOLID STATE CONTINUOUS WHITE LIGHT SOURCE - A solid state illumination system is provided as a replacement for conventional arc light, metal halide and Xenon white-light sources for applications in microscopy, fluorescence microscopy, and endoscopy. The solid state illumination system generates high quality white light output from LED light sources. The white light output is continuous in the visible spectrum from 380 nm to 650 nm and is suitable for imaging all the most common fluorophores and fluorescent proteins. In embodiments, an LED light pipe engine is used to generate a portion of the spectral content of the white light output.07-25-2013
20110280000LIGHTING DEVICE - A lighting device may be provided that includes a housing, a coupling member coupled to the housing, a reflector coupled between the housing and the coupling member, and a light source unit coupled to the coupling member to emit light toward the reflector. A first portion of a first body of the light source unit may be coupled to the coupling member, and a second portion of the first body may include a light source module that includes a light to emit light toward the reflector.11-17-2011
20110279999LIGHT GUIDE MEMBER, LASER LIGHT GUIDE STRUCTURE BODY, LASER SHINING APPARATUS, AND LIGHT SOURCE APPARATUS - A light guide member 11-17-2011
20110279998WHITE-LIGHT EMITTING DEVICES WITH STABILIZED DOMINANT WAVELENGTH - The disclosure provides a dominant wavelength stabilized white light emitting device and a method for stabilizing dominant wavelength of a white-light light emitting device. The light emitting device includes light-emitting diode chips, a phosphor resin layer disposed above the diode chip, and an optical filter disposed above the resin with a gap interposed between the phosphor resin layer and the optical filter. The phosphor resin layer contains a phosphor that is excited by light of the first wavelengths to emit light of second wavelengths. The optical filter reflects light of wavelength shorter than the peak wavelength and transmitting light of the second wavelengths with a modulated transmittance in a range of the first wavelengths.11-17-2011
20120287601HIGH EFFICIENCY LED LAMP - A high-efficiency LED lamp is disclosed. Embodiments of the present invention provide a high-efficiency, high output solid-state lamp. The lamp includes an LED assembly, and an optical element or diffuser disposed to receive light from the LED assembly. The optical element includes a primary exit surface, wherein the primary exit surface is at least about 1.5 inches from the LED assembly. In example embodiments, the optical element is roughly cylindrical in shape, but can take other shapes and be made from various materials. An LED lamp according to some embodiments of the invention has an efficiency of at least about 150 lumens per watt. In some embodiments, the lamp has a light output of at least 1200 lumens. In some embodiments, the LED lamp produces light with a color rendering index (CRI) of at least 90 and a warm white color.11-15-2012
20090310331Method of and device for attracting aquatic life forms using an electromagnetic field generation - A device for simulating and/or attracting aquatic life forms is disclosed. The device includes an electromagnetic module for simultaneously generating alternating or pulsed electromagnetic fields and a pulsed light output from a light emitting diode. The electromagnetic module includes a dry battery that is activated when exposed electrodes of the dry battery are placed in contact with a common electrolyte, such as sea water. The electromagnetic module includes a control circuit with one or more application specific integrated circuits for converting an input voltage from the dry battery to an operating voltage sufficient to power the light emitting diode. In further embodiments of the invention, the device includes one or more removable jackets that resemble aquatic life-forms.12-17-2009
20120287602LIGHTING APPARATUS - A lighting apparatus comprising: an elongated-shaped LED unit provided with a plurality of lighting units on one surface in the thickness direction thereof, each of said lighting units having a LED chip; a reflective plate held by a main body; a lighting device for lighting the LED unit; and a heat radiation block to which said LED unit being replaceably attached, configured to dissipate the heat generated in the LED unit, and arranged at the other surface side in the thickness direction of the LED unit. The reflective plate has an installation portion for installing the LED unit. The heat radiation block is held by the reflective plate. The LED unit has a flat portion at light extracting surface from the lighting unit. The flat portion has the same plane with a surrounding area of the installation portion in a reflective surface of the reflective plate.11-15-2012
20110286200Semiconductor lamp and light bulb type LED lamp - The disclosed is an LED lamp comprising: a light transmitting globe/envelope having a plurality of fluorescent protrusions, fibers and/or grooves containing a phosphor; a light unit having a circuit board and one or more light emitting diode (LED/LEDs) mounted on the circuit board for emitting a short wavelength primary light for directing to the fluorescent protrusions, fibers and/or grooves to convert the primary light into visible secondary light. A light bulb type LED lamp is composed of the above LED lamp, a lighting circuit to drive the LED/LEDs and a light bulb type power supply connector (Edison screw base), thereby the LED lamp being compatible with an incandescent light bulb. This LED lamp irradiates illumination light having a high brightness and luminance, a wide light distribution angle and non-glare fluorescent illumination.11-24-2011
20120099291OXYNITRIDE FLUORESCENT MATERIAL AND LIGHT-EMITTING DEVICE - An oxynitride fluorescent material includes a JEM phase as a mother crystal and a luminescence center element Ce. The oxynitride fluorescent material has a fluorescence spectrum with a maximum emission wavelength of 420 nm to 500 nm inclusive and an excitation spectrum with a maximum excitation wavelength of 250 nm to 400 nm inclusive.04-26-2012
20120099290EFFICIENT LED-BASED ILLUMINATION MODULES WITH HIGH COLOR RENDERING INDEX - An illumination module includes a light mixing cavity with an interior surface area and window that are physically separated from an LED. A portion of the window is coated with a first wavelength converting material and a portion of the interior surface area is coated with a second wavelength converting material. The window may be coated with LuAG:Ce. The window may also be coated with a third wavelength converting material with a peak emission wavelength between 615-655 nm where the spectral response of light emitted from the window is within 20% of a blackbody radiator at the same CCT. The LED may emit a light that is converted by the light mixing cavity with a color conversion efficiency ratio greater than 130 lm/W where the light mixing cavity includes two photo-luminescent materials with a peak emission wavelengths between 508-528 nm and 615-655 nm.04-26-2012
20120099289LIGHT-EMITTING APPARATUS AND METHOD OF USE THEREOF - A light-emitting apparatus and a method of use thereof are disclosed. The light-emitting apparatus includes a light-emitting module for emitting an original light, a color filter including a first and a second area, and first and second fluorescent powders. The color filter is positioned outside the light-emitting module to allow the original light to penetrate it. The color filter can move relative to the light-emitting apparatus, such that the original light can selectively penetrate the first or second area. The first and second fluorescent powders are respectively positioned in the first and second areas. When the first area moves to the outside of the light-emitting apparatus, the original light penetrates the first fluorescent powder and is transformed into a first emitted light, and the same occurs for the second area and the second fluorescent powder.04-26-2012
20110299268LIGHT-EMITTING DEVICE - The light-emitting device includes: a substrate which has a single layer structure in which a conductive member is partially provided on a surface of the substrate; a plurality of light-emitting elements which are directly provided on the surface of the substrate so as to be electrically connected with the conductive member; a first light reflection resin layer; a second light reflection resin layer which is provided in a looped shape on the surface of the substrate so as to surround an area in which the plurality of light-emitting elements are provided; and a sealing resin which covers the plurality of light-emitting elements. In the area in which the plurality of light-emitting elements are provided, the conductive member is covered with the first light reflection resin layer, the conductive member, which is provided under the second light reflection resin layer, is covered with the second light reflection resin layer directly, and a printed resistor, which is provided under the second light reflection resin layer, is covered with the second light reflection resin layer via the first light reflection resin layer. This makes it possible to provide the light-emitting device which (i) reduces absorption of light so as to achieve excellent light extraction efficiency, and (ii) is highly reliable.12-08-2011
20110299267Light capturing generator and distributor - A methodological approach of achieving a systematic exchange of light by employment and interplay of photo optic bodies via transmissive mediums. The present invention provides a synaptical junction or medium of exchange between optic bodies so that energy in the form of light, following behavioural patterns of waves and particles, may mutually be exchanged. Incidental rays are methodically counter reflected between neighbouring optic bodies with resultant dispersion and separation of various wavelengths. Several benefits accrue from this rendez-vous of optical bodies within the confines of a Light Distributor. Light can be more readily re-directed within 360 degrees and concentrated toward specific target areas. The unit has retro-reflective properties and generates a secondary visible light which may be reflected to all cardinal points.12-08-2011
20120008305SOLID STATE LIGHTING SYSTEM WITH OPTIC PROVIDING OCCLUDED REMOTE PHOSPHOR - The present teachings relate to semiconductor-based lighting systems and fixtures which process electromagnetic energy from light emitting diodes or the like. A disclosed exemplary system includes at least one occluded remote phosphor and produces substantially white light of desired characteristics. The remote phosphor extends over at least a portion of a surface of a macro optic at an occluded location such that none of the remote phosphor is directly visible through an optical aperture. The phosphor is responsive to electromagnetic energy from a semiconductor device to emit visible light for the emission through the optical aperture.01-12-2012
20110292638LIGHTING APPARATUS - A lighting apparatus includes a body having a bottom surface and a side surface, a poly-pyramid shaped reflector being placed on the bottom surface of the body and including at least three reflective surfaces, and a light source being placed on the side surface of the body, including at least one light emitting device and being placed in an area corresponding to at least one of the reflective surfaces of the reflector.12-01-2011
20110080723EDGE ILLUMINATION OF BEZELLESS DISPLAY SCREEN - One or more embodiments of the invention provide an apparatus and method for producing an image on a display screen that extends to the pixels or image elements disposed at the edge of the display screen. The display screen has an optical element with a thickness and an index of refraction that are selected to direct light to pixels or image elements disposed at the edge of the display screen without passing through the portion of the optical element that is blocked by a support frame or other structural member disposed on the rear surface of the display screen. Positioning such display screens together into a single screen assembly produces a tiled display having a much less noticeable grid pattern visible to the viewer.04-07-2011
20130215596FLASH ILLUMINATION SYSTEM - Systems and methods for flash illumination are disclosed. In one aspect, a flash illumination system includes sections each including a light source and a reflector. Each of the light sources includes a single light-emitting region having a first centroid and a package surrounding the single light-emitting region. The package has an exit aperture having a second centroid. The first centroid can be laterally offset from the second centroid. The reflectors include an input aperture, an output aperture, and one or more sidewalls therebetween. The input aperture is optically coupled to the exit aperture. One or more sidewalls are configured to collimate light propagating from the light source.08-22-2013
20120014086Emitting Light Using Multiple Phosphors - A method and apparatus for generating different spectral compositions of light is disclosed. The method comprises generating light at a wavelength, using an LED in some embodiments, and optically coupling the generated light to a first phosphor in a first operating mode and optically coupling the generated light to a second phosphor in a second operating mode. Several different embodiments of optically coupling the phosphors to the light source are disclosed. The first phosphor emits light with a first spectral characteristic when irradiated by the light at the wavelength and the second phosphor emits light with a second spectral characteristic when irradiated by the light at the wavelength.01-19-2012
20100214764NEON-TUBE SUBSTITUTE USING LIGHT-EMITTING DIODES - A tubular luminaire efficiently utilizes the light of a line of high-brightness unlensed LEDs to reproduce the homogeneous appearance of a neon tube. The transparent tube has an annular cross-section suitable for cost-effective manufacturing by extrusion. The LEDs are mounted in a line on a circuit board that can be positioned either inside or outside the tube. Their light shines into a cylindrical groove, thereby entering within the material of the tube. Above the groove, the wall of the tube has a spiral shape that reflects the light laterally so that it stays within the annular tube for a considerable path length. Volume scattering by a low density of scattering inclusions causes the light to escape as a homogenous glow. Alternatively, mild surface scattering from the inside surface can be used.08-26-2010
20100165599REMOTE PHOSPHOR LED ILLUMINATION SYSTEM - An illuminator is disclosed, in which an LED module emits short-wavelength light toward a phosphor module, which absorbs it and emits wavelength-conditioned light. The emission is generally longitudinal, with a generally Lambertian distribution about the longitudinal direction. The phosphor module includes a transparent layer, closest to the LED module, and a phosphor layer directly adjacent to the transparent layer. Both layers are oriented generally perpendicular to the longitudinal direction. The illuminator includes a reflector, circumferentially surrounding the emission plane in the LED module and extending longitudinally between the emission plane and the transparent layer. Virtually all the light emitted from the LED module either enters the phosphor module directly, or enters after a reflection off the reflector. The transverse side or sides of the transparent layer support total internal reflection, so that virtually all the light that enters the transparent layer, from the LED module, is transmitted to the phosphor layer. In some applications, the phosphor layer is located at the focus of a concave mirror, which can narrow and/or collimate the light emitted by the phosphor. Adjacent to the phosphor layer and opposite the transparent layer, the phosphor module can include a transparent dome, a heat sink, or nothing.07-01-2010
20110205727LIGHT SOURCE DEVICE - Disclosed is a light source device. The light source device includes: 08-25-2011
20110205726LIGHTING APPARATUS - Disclosed is a lighting apparatus. The lighting apparatus includes: 08-25-2011
20090296370PHOTO LUMINESCENT LIGHT SOURCE - A source of illumination in the form of a base member including hollow members and substantially planar longitudinally extending members. The hollow member is defined by a transparent envelope having an exterior surface and interior surface and photo luminescent pigment applied to a surface thereof or included therein during fabrication. The photo luminescent pigment receives activating energy from ambient sources for its activation.12-03-2009
20090231833LIGHT EMITTING DEVICE PROVIDED WITH LENS FOR CONTROLLING LIGHT DISTRIBUTION CHARACTERISTIC - The light emitting device comprises a substrate (09-17-2009
20120188745LED LIGHT SOURCE DEVICE - The present invention is intended to thermally isolate an LED and a control part from each other to make it difficult to thermally influence each other, and also to optimize fin shapes suitable for allowable temperatures of the both respectively, and is provided with: a first housing that contains an LED board; a second housing that contains an LED control part; a connecting member that connects the first housing and the second housing to each other; a fan mechanism that is provided between the first housing and the second housing; heat dissipation fins that are provided around the fan mechanism in the first housing; and an air path of which one end opening is formed at a position facing to an air inlet side of the fan mechanism in the second housing, and the other opening is formed on a surface different from an opposed surface of the second housing.07-26-2012
20090168395DIRECTIONAL LINEAR LIGHT SOURCE - An illumination apparatus includes a linear array of light emitting diode (LED) chips disposed on a support. A linear reflector assembly has a light coupling reflector portion and a one dimensional light collimation or focusing portion. The linear reflector assembly is secured to the support parallel with the linear array of LED chips. An encapsulant is disposed in the light coupling reflector portion of the linear reflector assembly and pots the LED chips. An elongate phosphor element is disposed over the encapsulant such that the light coupling reflector portion and the encapsulant enhance light coupling between the LED chips and the elongate phosphor element, and the one-dimensional light collimation or focusing portion one-dimensionally collimates or focuses light emitted by the combination of the LED chips and the elongate phosphor element.07-02-2009
20090168396BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - In order to control light emission of light emitting diodes, current dividing circuits are used to supply currents of a substantially fixed level to all lines. Light emitting diodes are arranged in groups of a predetermined number of LEDs in series, and sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are laid out on the same straight line so as to form a single row. Substrates with these formed thereon are arranged adjacent to each other in the direction of the rows, so that sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are arranged alternately. With this configuration, it is possible to provide a backlight device with a plurality of LED arrays arranged thereon, which can uniformly illuminate the entire screen with light from the LED arrays.07-02-2009
20100118510HIGH COLOR RENDERING INDEX WHITE LED LIGHT SYSTEM USING MULTI-WAVELENGTH PUMP SOURCES AND MIXED PHOSPHORS - The present invention relates to an LED lighting system producing light having improved Color Rendering Index (CRI). The system includes a plurality of LEDs wherein the LEDs have at least a first and second characteristic wavelength, and a mixed phosphor layer overlying at least one of a portion of the plurality of LEDs, the phosphor layer absorbing at least a portion of the LED-emitted light and producing phosphor-emitted light, wherein the phosphors includes a third characteristic wavelength and a fourth characteristic wavelength, wherein the third characteristic wavelength and fourth characteristic wavelength are not the same.05-13-2010
20120140438CO-DOPED SILICOOXYNITRIDES - The invention relates to compounds of the formula (I) (Ca,Sr,Ba)06-07-2012
20090147497ILLUMINATION APPARATUS, COLOR CONVERSION DEVICE, AND DISPLAY APPARATUS - An illumination apparatus includes a transparent substrate, a phosphor layer, an optical wavelength selection filter layer, and a light-emitting device. The transparent substrate includes a first surface and a second surface opposing each other. The phosphor layer is disposed on the first surface side of the transparent substrate. The optical wavelength selection filter layer is disposed on the second surface side of the transparent substrate and configured to transmit light of a first wavelength therethrough and reflect light of a second wavelength that is emitted from the phosphor layer by being excited by the light of the first wavelength. The light-emitting device is configured to emit the light of the first wavelength from the optical wavelength selection filter layer side thereof toward the optical wavelength selection filter layer.06-11-2009
20090147498LIGHT EMITTING DEVICE - Disclosed are a light emitting device. The light emitting device comprises a board comprising a plurality of lead frames, a light emitting diode chip electrically connected to the lead frames, and a reflective member formed coupled on the board while surrounding the light emitting diode.06-11-2009
20110170278ILLUMINATION SYSTEM, LUMINAIRE AND DISPLAY DEVICE - The invention relates to an illumination system (07-14-2011
20080266833Illuminated Rigid Body Using Contiguously Illuminated Light Source - A rigid light-passing body is disclosed. Within the body, an electroluminescent strand is supported in a predetermined configuration. In some embodiments, the body may be tubular, with the electroluminescent strand configured in spaced-apart windings around a support extending through the tubular body. In other embodiments related to area lighting, windings or strands may be closely spaced, or touching so that the windings or strands are self-supporting in their predetermined configuration. In other embodiments, there may be multiple strands that produce light of differing colors, the multiple strands attached to a support. The rigid body may also be a spherical shape, with a support therein for supporting at least one electroluminescent strand. For most embodiments, a housing is provided that includes an inverter and battery carrier for providing electrical power to the electroluminescent strand. In other embodiments, electrical power may be provided from an external source.10-30-2008
20080259589LIGHTING DEVICES, METHODS OF LIGHTING, LIGHT FILTERS AND METHODS OF FILTERING LIGHT - A lighting device comprising a white light source, a filter which filters blue light from the white light, and a second light source which emits red light and/or reddish-orange light. In some embodiments, the white light source comprises a solid state light emitter. A method of lighting, comprising illuminating a white light source, illuminating a red and/or reddish-orange light source, the light sources being positioned and oriented such that the light mixes, and filtering blue light from the mixed light. A method of lighting, comprising illuminating a white light source, filtering blue light from the white light, and illuminating a red and/or reddish-orange light source. A light filter, comprising a first filter component which has a wall region and a window region, and a second filter component comprising two or more reflection regions. Also, methods of filtering.10-23-2008
20100328926ILLUMINATION DEVICE WITH LED AND ONE OR MORE TRANSMISSIVE WINDOWS - The invention provides an illumination device (12-30-2010
20110255265PHOSPHOR MATERIALS AND RELATED DEVICES - A phosphor material is presented that includes a blend of a first phosphor, a second phosphor and a third phosphor. The first phosphor includes a composition having a general formula of ((Sr10-20-2011
20120033403STIMULATED LIGHTING DEVICES - A stimulated lighting device for stimulatable light emission including a luminescent sheet including light stimulatable particles which emit secondary light upon receiving primary light. The lighting device includes a source configured to generate and direct the primary light obliquely onto the luminescent sheet, at least one reflector configured to reflect at least a part of the primary light and a part of the secondary light onto the luminescent sheet and configured to reflect at least a part of scattered primary light and a part of the secondary light from the luminescent sheet toward the light exit, and a light exit configured to emanate light as a combination of the primary light and the secondary light.02-09-2012
20120033402SEMICONDUCTOR LIGHT EMITTING DEVICE - A light emitting device can make it hard for fluorescence emitted from each phosphor in a color conversion plate to be absorbed by other phosphor. The color conversion plate can include multiple types of phosphors, and the light from a light emitting element can be allowed to reach each of the phosphors efficiently. The color conversion plate can contain at least first and second phosphors which absorb light emitted from the light emitting element and outputs fluorescence. The color conversion plate can have multiple first regions containing the first phosphor on a light emitting element side, being arranged with a predetermined spacing therebetween, and second regions containing the second phosphor on the upper surface, being arranged with a predetermined spacing therebetween. A region where the first regions and the second regions are excluded, as viewed from a location on top of the conversion plate, contains no phosphor.02-09-2012
20110194272LIGHT EMITTING SIGN AND DISPLAY SURFACE THEREFOR - A light source comprises a blue emitting LED operable to generate blue excitation light and a light emitting surface comprising a light transmissive substrate and a phosphor. The LED is configured to irradiate the light emitting surface with excitation light such that the phosphor emits light of a second wavelength and wherein light emitted by the source comprises a combination of blue light from the LED and the second wavelength light from the phosphor. The light emitting surface is interchangeable thereby enabling the source to generate different selected colors of light using the same LED. The phosphor can be provided as a layer on the substrate or incorporated within the light transmissive substrate. The light emitting surface can be configured as a waveguide or as a light transmissive window.08-11-2011
20120268918EXTENDED PERSISTENCE AND REDUCED FLICKER LIGHT SOURCES - A light source is provided with extended persistence and reduced flicker characteristics by using a light capacitive filter. In general, a light source can include an illumination source which converts electrical energy into emitted light. The illumination source, however, is generally powered by an AC waveform, and the periodic variations inherent in the AC waveform may cause flicker in the emitted light. To reduce the flicker, a light capacitive filter is included in the light source to filter the light emitted by the illumination source and produce a light output with reduced flicker. In some examples, the light capacitive filter includes a medium persistence phosphor having a decay constant (or half-life) of between 1 milliseconds and 2 seconds.10-25-2012
20120268917LIGHT SOURCE APPARATUS AND IMAGE DISPLAY APPARATUS - A light source apparatus includes: an excitation light source; a phosphor having, as a main fluorescence wavelength region, wavelengths of green excited by excitation light emitted from the excitation light source; a red laser light source that oscillates in a red wavelength region; an optical multiplexer that multiplexes fluorescence emitted from the phosphor and red laser light emitted from the red laser light source; and color demultiplexing optics that demultiplexes the multiplexed light into two light beams. A cutoff wavelength of the color demultiplexing optics is a wavelength in the wavelength region of fluorescence, and is shorter than the red wavelength region.10-25-2012
20120268915SIDE-EMITTING SOLID STATE LIGHT SOURCE MODULES WITH FUNNEL-SHAPED PHOSPHOR SURFACE - A lighting module has a base, a top, a longitudinal axis from the base's center to the top's center, and a lateral edge surrounding the axis. Solid state light sources at the base emit excitation light, having an excitation wavelength and an angular distribution centered about the axis, toward the top. A lens defines a lateral edge of the module, which extends from the base to the top and reflects the excitation light. A phosphor surface of the module, shaped as a funnel having a wide end proximate the top and a narrow end proximate the base, receives and absorbs the excitation light, producing phosphor light that exits the module through the lateral edge. The phosphor light's wavelength is greater than the excitation wavelength, and has an angular distribution at each point on the phosphor surface centered about a local surface normal with respect to the phosphor surface.10-25-2012
20110170277LIGHT EMITTING DEVICE WITH PHOSPHOR WAVELENGTH CONVERSION - A light emitting device comprises an excitation source (07-14-2011
20090201662LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME - Disclosed is a light emitting device and a method of manufacturing the same. The light emitting device comprises a substrate comprising a cavity, a multi-color light emitting unit on a first region of the cavity, and a white light emitting unit on a second region of the cavity.08-13-2009
20120106127LIGHT EMITTING DEVICE - A light emitting device includes a light source capable of emitting emission light, a first phosphor layer and an optical waveguide. A first phosphor layer has at least a first surface and a second surface on an opposite side of the first surface, extends in a light guiding direction, and is capable of absorbing the emission light and emitting first wavelength converted light having a longer wavelength than the emission light. The optical waveguide has a reflector. And the optical waveguide has an input surface of the emission light, a reflection surface being in contact with the first surface of the first phosphor layer and provided on a surface of the reflector, and an output surface spaced from the first phosphor layer. The reflection surface and the output surface extend in the light guiding direction.05-03-2012
20120106126WAVELENGTH CONVERSION ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTOR - The phosphor wheel (wavelength conversion element) includes: a substrate; a light-emitting element having at least a phosphor layer provided on one surface of the substrate; and a first reflective portion provided in at least a first side face of the phosphor layer to change a propagation direction of the light propagating inside the phosphor layer such that an angle with respect to a normal line of the emission face where the fluorescent light is emitted from the light-emitting element is reduced.05-03-2012
20120106125LIGHTING DEVICE TOPOLOGY FOR REDUCING UNEVENNESS IN LED LUMINANCE AND COLOR - A lighting device is provided in accordance with the present invention having reduced luminance and color unevenness. A plurality of solid-state light emitting elements are mounted on a base substrate. An optical member is further mounted on the substrate and arranged so as to cover light emitting surfaces of the light emitting elements, the optical member having a semicircular or semielliptical cross-sectional surface, and gutter-shaped in a longitudinal direction with respect to the substrate. A wavelength converting member covers the semicircular or semielliptical cross-sectional surface of the optical member, and is excitable by light from the solid-state light emitting elements to thereby emit wavelength-converted light. In various embodiments light diffusion members may be further distributed among the light emitting elements.05-03-2012
20090284949OPTICAL ELEMENT, LIGHT-EMITTING DEVICE HAVING THE SAME AND METHOD OF MANUFACTURING THE SAME - An optical element includes a light-transmitting structure and a first reflection-prevention layer. The light-transmitting structure has a first surface and a second surface facing the first surface. The first reflection-prevention layer includes a plurality of first light-refractive index buffering particles deposited on the first surface such as the concentration of the particles decreases as the distance from the first surface increases. The first reflection-prevention layer decreases the variation of a light-refractive index from the light-transmitting structure to an air layer to decrease the light reflectance of the first surface. Therefore, the light transmittance of the light-transmitting structure is increased due to the reflection-prevention layer formed on a surface of the light-transmitting structure, so that luminance may be enhanced. Moreover, the reflection-prevention layer may enhance the resistance of the light-transmitting structure to external impacts.11-19-2009
20090262517Light source unit - A light source unit includes a light source portion including a mounting board, a light emitting element mounted on the mounting board, a rectangular solid sealing material for sealing the light emitting element, the sealing material including a first distance between the light emitting element and a top face thereof and a second distance between the light emitting element and a side face thereof, the first distance being greater than the second distance and a phosphor dispersed in the sealing material for radiating a wavelength conversion light by being excited by light emitted from the light emitting element, wherein a first light emitted through the top face of the sealing material is different in emission color from a second light emitted through the side face of the sealing material. The light source unit further includes an optical connection member including a reflection surface for reflecting light emitted from the side face of the sealing material, and a light guiding member including an end face through which light emitted through the top face of the sealing material and light reflected by the reflection surface of the optical connection member are inputted into the light guiding member.10-22-2009
20090262516LIGHT EMITTING DEVICE WITH PHOSPHOR WAVELENGTH CONVERSION - A light emitting device comprises: an excitation source (LED) operable to generate excitation light of a first wavelength range and a phosphor (photo-luminescent) material configured to absorb at least a part of the excitation radiation and to emit light of a second wavelength range. Light emitted by the device comprises the combined light of the first and second wavelength ranges. The device is characterized by at least the light emitting surface of the excitation source being coated (encapsulated) with an encapsulating material which is transparent to light of the first and second wavelength ranges and which incorporates particles of a thermally conducting material (thermal conductivity ≧100 Wm10-22-2009
20090296367Package For Light-Emitting Device, Light-Emitting Apparatus, and Illuminating Apparatus - A package includes a base body having a mounting portion for mounting a light-emitting device, a frame-shaped first reflection member attached to the upper surface of the base body, an inner peripheral surface of which is shaped into a first light reflecting surface and surrounds the mounting portion, and a frame-shaped second reflection member attached to the upper surface of the base body, with a spacing secured between an inner peripheral surface of the second reflection member and an outer peripheral surface of the first reflection member, the inner peripheral surface surrounding the first reflection member and having a second light reflecting surface at a location above an upper end of the first reflection member.12-03-2009
20120195022APPARATUS FOR SELECTIVELY BACKLIGHTING A MATERIAL - A backlighting device (08-02-2012
20120195021Rear Projection Display Using Laser Excited Photoluminescence - A display system includes an optical light source and a display panel with an array of optically excitable pixels. Optics are positioned between the optical light source and the display panel so as to direct light from the optical light source toward the display panel to cause the optically excitable pixels to emit a visible image.08-02-2012
20090279279LIGHT EMITTING DEVICE AND A MANUFACTURING METHOD THEREOF - A light emitting device includes a light emitting body, a base for carrying the light emitting body, an encapsulating material covering the light emitting body and a wavelength conversion material mixing with the encapsulating material. The concentration of wavelength conversion material is characterized by the fact that the concentration of the wavelength conversion material is higher at the higher space that is further from the light emitting body located at the bottom of the light emitting device. Accordingly, the reflection rate of the mixture mixed with the encapsulating material and the wavelength conversion material has gradual variation, and the total reflection on the boundary is reduced thus improves the illumination efficiency.11-12-2009
20100128463HEADLIGHT FOR VEHICLE - There is provided a headlight for a vehicle. The headlight uses a light emitting device as a light source, so that light intensity can be enhanced and rectangular beams without discontinuity can be emitted, thereby enhancing light distribution characteristic.05-27-2010
20090296369Method and Apparatus for Generating White Light From Solid State Light Emitting Devices - An optical device capable of generating warm light using an array of phosphor islands situated over a phosphor layer is disclosed. The device includes a solid state light emitter, a phosphor layer, and phosphor islands. The solid state light emitter, in an aspect, is a light emitting diode (“LED”) capable of converting electrical energy to optical light. The phosphor layer is disposed over the solid state light emitter for generating luminous cool light in response to the optical light. Multiple phosphor islands are disposed on the phosphor layer for converting cool light to warm light, wherein the phosphor islands are evenly distributed over the phosphor layer.12-03-2009
20090284948SIALON-BASED OXYNITRIDE PHOSPHOR AND PRODUCTION METHOD THEREOF - The present invention relates to an oxynitride phosphor comprising an α-sialon as the main component, which is represented by the general formula: M11-19-2009
20090290325FLUORESCENT SUBSTANCE AND PROCESS FOR PRODUCING THE SAME - A fluorescent substance which excels in light-emitting characteristics and versatility, and which can emit light stably, and a lamp using the same are provided at a low cost. Such a fluorescent substance consists of a fluorescent substance which mainly consists of a garnet structure and an element of group V added thereto. Preferably, the fluorescent substance includes a fluorescent substance having a garnet structure in which yttrium.aluminum.garnet (Y11-26-2009
20090296368SOLID STATE LIGHTING USING QUANTUM DOTS IN A LIQUID - A lighting apparatus that provides general lighting in a region or area intended to be occupied by a person includes a source of light of a first spectral characteristic of sufficient light intensity for the lighting application as well as a reflector or a diffusely reflective chamber or cavity having a transmissive optical passage. An exemplary lighting fixture of the type disclosed herein also includes a liquid containing quantum dots. Various containers, locations and positions for the liquid are disclosed. The quantum dots provide a wavelength shift of at least some light to produce a desired second color characteristic in the light output.12-03-2009
20120293978LED LAMP WITH IMPROVED LIGHT OUTPUT - The present disclosure involves an LED lamp. The LED lamp includes a plurality of light-emitting diode (LED) light sources located on a substrate. At least a subset of the LED light sources is free of a phosphor coating. The LED lamp includes a multi-layered cap structure located over at least the subset of the LED light sources. The cap structure contains a phosphor material and a diffuser material. The cap structure is physically separated from the subset of the LED light sources by a gap. The LED lamp includes a cover structure positioned over and surrounding the LED light sources and the cap structure.11-22-2012
20110199753PHOSPHOR-CENTRIC CONTROL OF COLOR OF LIGHT - Lighting devices and/or systems offer dynamic control or tuning of color of light. The lighting systems utilize sources, such as solid state sources, to individually pump a number of different phosphors of types having relatively high degrees of color purity. The phosphor emissions, however, are still broader than the traditionally monochromatic color emissions of LEDs. The different phosphors can be independently excited to controllable levels, by individually controlled sources rated for emission of energy of the same spectrum. Adjustment of intensities of electromagnetic energy emitted by the sources independently adjusts levels of excitations of the phosphors selected to emit different colors of relatively high purity and thus the contributions of pure colors to the combined light output, for example, to enables color adjustment of the light output over a wide range of different selectable colors encompassing much of the gamut of visible light.08-18-2011
20080212305Blue Color Composition for Color Filter, Color Filter, and Color Image Display Device - To provide a blue composition for a color filter which realizes an image with a high color purity, a color filter and a color image display device.09-04-2008
20100110660LIGHT EMITTING DIODE EMERGENCY LIGHTING MODULE - The present invention uses “Chip-on-Board” (COB) metal core printed circuit board (PCB) technology in conjunction with high efficiency compact imaging and non-imaging optics to provide an emergency light that is more compact, offers higher performance with respect to luminance levels (higher brightness), longer life, and lower cost relative to systems incorporating pre-packaged LED devices. The thermal impedance between the LED junction and the heat sink is significantly reduced for COB technology by placing the LED die directly on a metal core (or other high thermal conductivity material substrate), thereby increasing temperature dependant life and thermally dependant output power. Additionally, because there is no encapsulant or domed optic over the LED die initially, it is possible to get a much more compact and efficient substantially Etendue (area, solid angle, index squared product) preserving collection optic directly over the die. Cost is significantly reduced for COB configurations due to elimination of the expense of additional components attached to the LED die for the case of pre-packaged LED devices.05-06-2010
20100110659LED LIGHTING UNIT AND METHOD FOR MANUFACTURING THE SAME - An LED lighting unit and a method for manufacturing the same can include a first cavity and a second cavity which has a depth that is different from that of the first cavity. The first and the second cavities can include an LED chip and an encapsulating resin including a phosphor. Color temperatures of light emitted from these cavities can be controlled by changing thicknesses of the encapsulating resin based on the depth of each of these cavities so as to be located on a substantially black body, and the variability of the optical characteristics can be reduced due to the simple structure. Thus, the LED lighting unit can emit light having a favorable color temperature that is close to a natural light using light that is emitted from these cavities. The manufacturing method can include forming the thickness of the encapsulating resin with accuracy, and therefore can provide a suitable LED lighting unit for various lighting systems.05-06-2010
20100277891LED CASING STRUCTURE - A light emitting diode LED casing structure, particularly to an LED casing structure having two or more layers, includes a phosphor distributed uniformly between plastic film layers in an LED casing, such that the phosphor in the LED casing will not be drifted and sunk easily during the manufacturing process of an LED.11-04-2010
20100061078Light emitting device and system providing white light with various color temperatures - In a light emitting device and system providing white light with various color temperatures are provided, a light emitting device includes a light emitting element (LED) that is operated by a driving bias and emits first light, and a phosphor layer including a phosphor that partially wavelength-converts first light and emits second light, thereby emitting white light using the first light and the second light, wherein the phosphor has a maximum conversion efficiency at a first level of the driving bias, and the LED has a maximum conversion efficiency at a second level of the driving bias, the first level being different from the first level.03-11-2010
20100061077PHOSPHOR BODY BASED ON FLAKE FORM SUBSTRATES - The invention relates to a phosphor element which consists of natural and/or synthetic flake-form substrates, such as mica, corundum, silica, glass, ZrO03-11-2010
20100128461LIGHT EMITTING DIODE PACKAGE - Provided is a light emitting diode (LED) package. The LED package includes a package main body, first and second electrode structures, first and second LED chips, and first and second resin packing parts. The package main body includes a concave portion and a barrier wall dividing the concave portion into at least first and second accommodation recesses. The first and second electrode structures are formed at the package main body and are exposed at bottom surfaces of the first and second accommodation recesses respectively. The first and second LED chips are electrically connected to the first and second electrode structures are respectively mounted on the bottom surfaces of the first and second accommodation recesses. The first and second resin packing parts include at least one fluorescent material and are formed in the first and second accommodation recesses for packing the first and second LED chips.05-27-2010
20090168399BACKLIGHT UNIT - Provided is a backlight unit including a plurality of light emitting diodes (LEDs) that emit light; a plurality of LED modules having a printed circuit board (PCB) which supports and drives the plurality of LEDs; a plurality of optical sheets that are attached to the top surfaces of the respective LED modules; and a plurality of heat radiating pads that are attached to the rear surfaces of the respective LED modules.07-02-2009
20090168397Optical Film of a Display, Method for Producing the Same and Said Display - An optical film of a display and a method for producing the same are provided. The display includes a light source and an optical film. The light source provides the first light. The optical film includes at least one coating layer. The coating layer has a first surface and a second surface opposite to the first surface. The coating layer is adapted to absorb the first light from the first surface to excite a second light to emit through the second surface. The intensity of the second light is larger than that of the first light.07-02-2009
20090059558Flame-type illumination device having phosphor-impregnated light transmitting element for transmission of non-flickering light - A flame-based illumination device incorporates a transparent or translucent housing impregnated with phosphor to produce generally constant light emission by substantially reducing and/or eliminating the flickering effect normally associated with a flame. A housing having a phosphor impregnated transparent or translucent portion is adapted to receive a candle or other flame sustaining wick therein. The phosphor impregnated housing wall converts the flickering light generated by the flame into a sustained illuminating glow thereby effectively eliminating the inconsistent light level created by a flickering flame. In an alternate embodiment, the housing wall comprises a composite multi-layer structure including inner and outer layers with a fluid disposed therebetween. Including an intermediate water layer sandwiched between phosphor impregnated translucent layers functions, to rectify and/or magnify light emanating from the device.03-05-2009
20090168398LIGHT EMITTING DISPLAY - A light emitting display for generating a selectable character (number, letter or alphanumeric character) comprises a plurality of independently operable light emitting display elements (segments). Each display element comprises: a light guiding medium having a light emitting display face; at least one excitation source (LED) associated with the light guiding medium and independently operable to generate excitation light of a first wavelength range and couple the excitation light into the light guiding medium; and a pattern of at least one phosphor material provided on the light emitting surface and configured to define the light emitting element wherein the phosphor material absorbs at least a part of the excitation light and emits light of a second wavelength range. Each display element can comprise a discrete light guiding medium or display elements can be defined within a single light guiding medium by one or more light reflecting planes.07-02-2009
20120293979BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a circuit board; a plurality of light sources disposed on the circuit board; and a lens sheet disposed on the circuit board, wherein the lens sheet includes a plurality of recesses, and the light sources are received in the recesses. The invention can omit a light guide plate or optical films.11-22-2012
20120039065PHOSPHOR PLATE AND ILLUMINATION SYSTEM WITH THE SAME - A phosphor plate includes a glass layer, a wide-angle reflection dichroic filter and a phosphor layer. The wide-angle reflection dichroic filter is disposed on an exit surface of the glass layer. A first blue light and a second blue light of the incident ray are transmissible through the wide-angle reflection dichroic filter. The phosphor layer is disposed beside the wide-angle reflection dichroic filter. By the phosphor layer, the first blue light is excited as a first green light to be outputted and the second blue light is reflected to the wide-angle reflection dichroic filter. The second blue light and a portion of the first green light outputted from the phosphor layer are reflected by the wide-angle reflection dichroic filter, so that the portion of the first green light is transmitted through the phosphor layer and the second blue light is excited as a second green light by the phosphor layer.02-16-2012
20080304250Thin Luminaire for General Lighting Applications - High power white light LEDs are distributed within a thin reflective cavity. The cavity depth may be less than 3 cm and, in one embodiment, is about 1 cm. A light output surface of the cavity is a flat reflector with many small openings. A small plastic lens is positioned over each opening for causing the light emitted from each opening to form a cone of light between approximately 50-75 degrees. Alternatively, each hole may be shaped to be a truncated cone to control the dispersion. The light emitted by the LEDs is mixed in the cavity by reflecting off all six reflective walls of the cavity. The light will ultimately escape through the many holes, forming a relatively uniform pattern of light on a surface to be illuminated by the luminaire.12-11-2008
20120293981GLASS COMPOSITION, LIGHT SOURCE DEVICE AND ILLUMINATION DEVICE - A glass composition including, in oxide-based mol %: (a) at least 30% and at most 50% P11-22-2012
20090323306CONVERSION TYPE LIGHT EMITTING DEVICE - A conversion type light emitting device includes at least one LED element having a predetermined light emitting range and a fluorescent element performing wavelength conversion of light emitted from the LED element when disposed at a first location in the predetermined light emitting range. The fluorescent element is movable from a first location to a second location outside the predetermined light emitting range.12-31-2009
20100202128NON-INVASIVE INJECTION OF LIGHT INTO A TRANSPARENT SUBSTRATE, SUCH AS A WINDOW PANE THROUGH ITS FACE - Apparatus for illuminating a feature on a transparent light transmitting substrate or window: the substrate is capable of trapping light within itself and propagating the light along the substrate with total internal reflection. A light source is connected by an optical arrangement positioned with respect to one of the surfaces of the substrate for directing light into the substrate at an incident angle selected for propagation of light along the substrate. An extraction feature at a location on the surface of the substrate is configured to illuminate internal reflection at the feature, so that the feature becomes illuminated. Arrangements for the shape, orientation and adjustment of the optic, for configurations of the feature, for coupling the optic and also for coupling the feature to the substrate and particularly its surface are disclosed.08-12-2010
20080278928LIGHTING DEVICE AND LIGHTING METHOD - A lighting device comprising one or more solid state light emitters which emit near ultraviolet light or ultraviolet light, one or more other emitters which emit light in the range of 480 nm to about 490 nm and one or more other emitters which emit light in the range of 580 nm to about 590 nm, to make a mixture which in the absence of any other light would have a combined illumination which is within twenty MacAdam ellipses of at least one point on the blackbody locus on a 1931 CIE Chromaticity Diagram. One or more of the other emitters is a lumiphor. One or more of the other emitters can be a solid state light emitter. Also, packaged solid state light emitters and methods of lighting.11-13-2008
20120293980LIGHT-EMITTING UNIT, BACKLIGHT DEVICE AND DISPLAY APPARATUS - Provided is a light-emitting unit wherein the directivity of light to be emitted can be lowered while the increase of the number of members thereof is suppressed and the increase of the size thereof is suppressed. An LED package (light-emitting unit) (11-22-2012
20100142180LIGHT EMITTING DIODE SOURCE WITH PROTECTIVE BARRIER - An apparatus having a substrate, an LED light source attached to the substrate, an electrical connector attached to the substrate and electrically connected to the LED light source, a potting material on the substrate and covering at least a portion of the electrical connector; and a barrier separating the potting material from the LED light source, the barrier having a height that exceeds the thickness of the potting material on the substrate.06-10-2010
20090097225THIOGALLATE PHOSPHOR AND WHITE LIGHT EMITTING DEVICE EMPLOYING THE SAME - The present invention relates to a thiogallate phosphor which is excited by ultraviolet or blue light to emit light with a relatively longer wavelength than that of the ultraviolet or blue light. The phosphor is expressed as a general formula of (A04-16-2009
20100142181ILLUMINATION SYSTEM COMPRISING COMPOSITE MONOLITHIC CERAMIC LUMINESCENCE CONVERTER - An illumination system comprising a radiation source and a monolithic ceramic luminescence converter comprising a composite material of at least one luminescent compound, and at least one non-luminescent compound, wherein the material of the non-luminescent compound comprises silicon and nitrogen, is advantageously used, when the luminescent compound comprises an rare-earth metal-activated host compound also comprising silicon and nitrogen. Shared chemical characteristics of the luminescent compound and the non-luminescent material improve phase assemblage, thermal and optical behavior. The invention relates also to a composite monolithic ceramic luminescence converter.06-10-2010
20090109652Phosphor and manufacturing method for the same, and light source - To provide a phosphor having an emission spectrum with a broad peak in a range from yellow color to red color (580 nm to 680 nm) and an excellent excitation band on the longer wavelength side from near ultraviolet/ultraviolet of excitation light to visible light (250 nm to 550 nm), and having an improved emission intensity. The phosphor is provided, which is given by a general composition formula expressed by MmAaBbOoNn:Z, (wherein element M is more than one kind of element having bivalent valency, element A is more than one kind of element having tervalent valency selected from the group consisting of Al, Ga, In, Tl, Y, Sc, P, As, Sb, and Bi, element B is more than one kind of element having tetravalent valency, O is oxygen, N is nitrogen, and element Z is more than one kind of element selected from rare earth elements or transitional metal elements, satisfying m>0, a>0, b>0 o≧0, and n=2/3m+a+4/3b−2/3o), and further containing boron and/or fluorine.04-30-2009
20090180273LIGHT EMITTING DEVICE AND LCD BACKLIGHT USING THE SAME - The present invention provides a light emitting device which comprises blue and red light emitting diode (LED) chips and at least one phosphor for emitting green light by means of light emitted from the blue LED chip, and an LCD backlight including the light emitting device. According to the light emitting device of the present invention, uniform white light can be implemented and both high luminance and wider color reproduction range can also be obtained. Accordingly, an LCD backlight for uniform light distribution on an LCD as well as low power consumption and high durability can be manufactured using the light emitting device.07-16-2009
20090161340WHITE LIGHT ILLUMINATOR AND READING LAMP USING THE SAME - A reading lamp (06-25-2009
20090080177ELECTROLUMINESCENT LIGHT (EL) ORNAMENTS AND METHOD THEREFOR - A controllable lighted ornament has a body member having a hollow interior section. An electroluminescent (EL) light panel is coupled to an outer surface of the body member. The EL light panel has a multi-color/sectional design. A control circuit is coupled to the EL light panel and housed in the hollow interior of the body member. The control circuit allows for individually controlling the lighting of each color/section of the multi-color/sectional design. A power supply is coupled to the control circuit.03-26-2009
20090161341Planar White Illumination Apparatus - In one aspect, an illumination structure includes a substantially non-fiber waveguide, which itself includes a discrete in-coupling region for receiving light, a discrete propagation region for propagating light, and a discrete out-coupling region for emitting light.06-25-2009
20090027873ILLUMINATION SOURCE - In one embodiment, the invention is an illumination source. In one embodiment, the illumination source comprises an outer sheath formed of a resilient, substantially transparent or translucent material, and a luminous core housed within the sheath. In further embodiments, the illumination source comprises a selvedge for facilitating mechanical attachment and/or a reflective strip to enhance visibility.01-29-2009
20090129051MEDICAL ILLUMINATION UNIT - A medical illumination unit (05-21-2009
20090129052Illuminator with fluorescent substance - An illuminator includes a light emitting light source and a fluorescent substance. The fluorescent substance includes a crystal of nitride or oxy-nitride having a β-type Si05-21-2009
20120069545LIGHTING DEVICE - A lighting device may be provided that includes a heat sink which includes one surface and a receiving recess; a light emitting module which is disposed on the one surface of the heat sink and includes a substrate and a plurality of light sources disposed on the substrate, wherein the substrate includes a hole and a plurality of via-holes; a power controller which includes an electrode pin electrically connected to the light emitting module through the via hole; and aninsulating inner case which receives the power controller therein and is disposed in the receiving recess of the heat sink, wherein the light sources include an lighting emitting diode.03-22-2012
20120069544LIGHT-EMITTING DEVICE WITH A LUMINESCENT MEDIUM, CORRESPONDING LIGHTING SYSTEM COMPRISING THE LIGHT-EMITTING DEVICE AND CORRESPONDING LUMINESCENT MEDIUM - The invention relates to a light emitting device (03-22-2012
20120069543LED ILLUMINATOR MODULE WITH HIGH HEAT-DISSIPATING EFFICIENCY AND MANUFACTURING METHOD THEREFOR - An LED illuminator module with high heat-dissipating efficiency and manufacturing method therefor is provided. The LED illuminator module includes a flat heat pipe (FHP) formed with a flat surface, an insulated layer formed on the plane of the flat heat pipe, a conducting layer having a pair of conducting electrode portions, a plurality of LEDs, and an encapsulation covers the LEDs. The insulation layer has a pair of insulated electrode portions and a plurality of LED-setting portions. The conducting electrode portions partially covered on the insulated electrode portions. The LEDs are disposed on the LED-setting portions and electrically connect to the pair of conducting electrode portions respectively. The encapsulation contains phosphor powder therein. The present invention solves the heat-dissipating problem of high-efficiency light module with the LEDs, and shorten heat-conductive path to enhance heat-dissipating efficiency.03-22-2012
20090251883Light-emitting device as well as lighting apparatus and display apparatus using the same - A light-emitting device including a semiconductor laser element having at least a substrate, a first conductive type clad layer, an active layer, and a second conductive type clad layer in this order; and a phosphor absorbing a laser light emitted from the semiconductor laser element and radiating fluorescence, wherein the semiconductor laser element is a self-oscillation laser element.10-08-2009
20090251882LIGHT-EMITTING DIODE ILLUMINATION STRUCTURES - Illumination device embodiments are provided which include a transparent bulb that carries at least one phosphor. A redirector is positioned within the bulb and at least one light-emitting diode (LED) is positioned over the redirector to be energized and emit light that excites the phosphor. The redirector helps to diffuse the resultant mix of LED-emitted light and phosphor-emitted light that issues from the device. The redirector also provides a heat path away from the LEDs. In a device embodiment, LEDS form first and second diode groups that have emission peaks in different regions. Selectively energizing these groups alters the color temperature of the device's light. Energizing both groups and varying currents of each group also alters the color temperature of the device's light. In other device embodiments, the redirector has a portion outside the bulb which may also define protuberances that enhance heat radiation. In yet other device embodiments, each LED may have an associated phosphor. Some embodiments may be further enhanced by the further addition of a phosphor to the bulb.10-08-2009
20130120964ALUMINATE PHOSPHORS - The invention relates to compounds of the general formula (I) SrLu05-16-2013
20120140437LIGHTING MODULE AND LIGHTING DEVICE - A lighting module may be provided that includes: a light emitter; a clad metal substrate which is disposed under the light emitter; an insulating structure which insulates the light emitter from the clad metal substrate; an optical structure which is disposed on the light emitter; and a case which is disposed on the optical structure and is coupled to the clad metal substrate, wherein the light emitter includes a semiconductor based light emitting device.06-07-2012
20120140436SOLID-STATE LAMPS WITH LIGHT GUIDE AND PHOTOLUMINESCENCE MATERIAL - A solid-state lamp comprises a light guide having at least one light emitting face and at least one solid-state light source (LED) configured to couple light into the light guide. The lamp further comprises a pattern of light extracting features for promoting emission of light from the light guide wherein the pattern of light extracting features is formed on at least one face of the light guide.06-07-2012
20090052159LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - A light-emitting device includes a support substrate which includes a light-emitting layer and a light extraction surface, and a light transmission layer, formed on the light extraction surface of the support substrate, having a periodic refractive index distribution structure in an in-plane direction and a thickness direction, the light transmission layer including a plurality of projections formed of a having a refractive index lower than that of the support substrate.02-26-2009
20090052157LIGHT EMITTING DEVICE AND LIGHTING APPARATUS - A light emitting device having a high light emitting efficiency is provided. The light emitting device is provided with a light-emitting chip 02-26-2009
20110228516LIQUID DISPLACEMENT BEADS IN LED BULBS - An LED bulb includes at least one LED mount disposed within a shell. At least one LED is attached to the at least one LED mount. A thermally conductive liquid is held within the shell. The LED and LED mount are immersed in the thermally conductive liquid. A plurality of beads is suspended in the thermally conductive liquid. The plurality of beads is configured to displace a predetermined amount of the thermally conductive liquid to reduce the amount of thermally conductive liquid held within the shell.09-22-2011
20110228517LED LAMP - An LED lamp A09-22-2011
20110228515Light Sources Adapted to Spectral Sensitivity of Diurnal Avians and Humans - Various apparatus and associated methods involve a light source that provides light at wavelengths that substantially correlate to local maxima in the spectral sensitivity of a diurnal avian. In an illustrative example, the light source may output light primarily in wavelength bands that are not substantially absorbed by colored oil droplets and/or visual pigment in at least one type of cone in the eye of a diurnal avian. In some embodiments, the light source may include a light-emitting diode (LED) light source. Exemplary light sources may output spectral components to illuminate diurnal avians with local maxima of intensity at wavelengths that substantially correspond to local maxima in a spectral sensitivity visual response characteristic of the diurnal avians.09-22-2011
20110228514ENHANCED COLOR RENDERING INDEX EMITTER THROUGH PHOSPHOR SEPARATION - LED packages, and LED lamps and bulbs, are disclosed that are arranged to minimize the CRI and efficiency losses resulting from the overlap of conversion material emission and excitation spectrum. In different devices having conversion materials with this overlap, the present invention arranges the conversion materials to reduce the likelihood that re-emitted light from a first conversion materials will encounter the second conversion material to minimize the risk of re-absorption. In some embodiments this risk is minimized by different arrangements where there is separation between the two phosphors. In some embodiments this separation results less than 09-22-2011
20110222265LIGHTING DEVICE AND METHOD OF GENERATING OUTPUT ILLUMINATION - The invention relates to a lighting device (09-15-2011
20110182055Photoluminescent Light Source - A photo luminescent light source is disclosed. In one embodiment, the apparatus comprises a light conducting medium. This light conducting medium includes particles of photoluminescent material, and a light source placed along an edge of it. The photoluminescent material absorbs light generated by the light source, and emanates light of the wavelength characterized by the photoluminescence properties of particles. The distribution of light emitting photoluminescent particles is varied throughout the medium to emanate a predetermined light pattern. In another embodiment, the light source emits light of multiple colors. In yet another embodiment, the light source emits polarized light.07-28-2011
20090251884LIGHTING FIXTURE USING SEMICONDUCTOR COUPLED WITH A REFLECTOR HAVING REFLECTIVE SURFACE WITH A PHOSPHOR MATERIAL - To improve semiconductor-based systems for generating white light, a phosphor is integrated with an external structure, such as a reflector. A disclosed exemplary system, for illumination applications, utilizes one or more semiconductor devices for emitting radiant energy of a first wavelength. A reflector outside the package of the LED or other semiconductor device has a reflective surface arranged to receive radiant energy from the energy source. At least some of the received radiant energy of the first wavelength excites one or more phosphors associated with an external light processing element, for example, located along the surface of the reflector, to emit light, including visible light energy of at least one second wavelength different from the first wavelength. In the examples, at least some of visible light emitted by the phosphor is reflected by the reflective surface of the reflector and directed to facilitate the particular humanly perceptible luminance or illumination application.10-08-2009
20090207583LED LIGHTING UNIT - An LED lighting unit can be configured to have a high color rendering for which color temperature can adjust itself to be close to a natural color. The LED lighting unit can be composed of three light sources that respectively include a blue LED and a different phosphor. A first light source can emit light having a color temperature located substantially on a blackbody locus, a second light source can emit light having a higher color temperature than that of the first light source and located substantially on the blackbody locus, and a third light source can emit a green or yellow light. A mixture of the light can be located substantially on the blackbody locus by controlling a beam ratio of the mixed light having contiguous wavelength components. Therefore, the LED lighting unit can emit a light having a high color rendering that can maintain a uniform color within a radiation range.08-20-2009
20090244882LIGHTING DEVICE - The invention relates to a lighting device (10-01-2009
20100265692LIGHT SOURCE AND ILLUMINATION SYSTEM HAVING A PREDEFINED EXTERNAL APPEARANCE - The invention relates to alightsource and an illumination system. The light source (10-21-2010
20090141475Mountable linear light welt - A mountable welt that is easier to attach to a desired surface or joint. The welt includes a transparent or semi-transparent sheath casing circular or oval in cross-section with at least one integrally formed, laterally extending wing member. The wing member is a relatively thin structure that extends longitudinally over a portion or the entire length of the outer casing. In the preferred embodiment, the outer edges of the wing member is converge are converged towards their outer edges thereby enabling the wing to be placed into a joint space. A suitable attachment means, such as sewing, an adhesive, or a closed joint, may be used to attach the wing to the desired surface or joint while allowing the outer casing to be exposed. Located inside the outer sheath is a continuous linear light.06-04-2009
20100149783LIGHT-EMITTING MODULE AND ILLUMINATION APPARATUS - A light-emitting module includes at least one light-emitting element provided on a mount surface of a substratum. A translucent member is provided so as to face the mount surface of the substratum. The translucent member is separated from the light-emitting element and contains a phosphor material that converts a wavelength of light emitted by the light-emitting element. A frame having heat conducting properties is interposed between the substratum and the translucent member. The frame surrounds the light-emitting element. The frame includes an opening that leads light emitted by the light-emitting element to the translucent member, and a heat conductor thermally connected to the translucent member. The heat conductor includes a heat radiator exposed outside of the translucent member.06-17-2010
20100177497EFFICIENT EMITTING LED PACKAGE AND METHOD FOR EFFICIENTLY EMITTING LIGHT - An LED package comprises an LED for emitting LED light, and a conversion material remote to said LED for down-converting the wavelength of LED light. The package further comprises a reflector directing at least some of the LED light toward the conversion material, the conversion material down-converting the wavelength of at least some of the reflected LED light. A method for emitting light from an LED package comprising providing an LED, reflector and conversion material, and emitting light from said LED, at least some of the LED light emitted toward the reflector. The method further comprises reflecting at least some of the LED light toward the conversion material, and converting at least some of said reflected LED light at the conversion material. At least some of the converted reflected LED light is emitted by the LED package.07-15-2010
20100157571ILLUMINATION DEVICE WITH SELECTIVE COLOR OUTPUT - An exemplary illumination device includes a light source and a light-pervious optical wavelength converting barrel. The light source is configured for emitting monochromatic light. The light-pervious optical wavelength converting barrel includes a plurality of optical wavelength converting regions. The optical wavelength converting regions are sequentially arranged to cooperatively form an accommodating space receiving the light source. In operation, the barrel is rotatable relative to the light source, such that each of the optical wavelength converting regions is capable of being selectively positioned to receive the light from the light source. Thereby, the illumination device emits light with a converted wavelength.06-24-2010
20100157572ILLUMINATING APPARATUS WITH PHOSPHOR FILMS - An exemplary illuminating apparatus includes a light source, a supporting member, a first film and a second film. The light source includes a substrate and a plurality of light emitting diode arranged on the substrate. The supporting member connected to the substrate. The supporting member includes a light emitting surface at a side thereof distant from the light emitting diodes. The first film and the second film attached to each other and arranged at the light emitting surface of the supporting member. The first film includes a first phosphor doped therein, and the second film includes a second phosphor doped therein. Each of the first phosphor and the second phosphor is capable of being excited by light emitted from the light-emitting diodes and converting a wavelength of the light into a desired wavelength.06-24-2010
20100002414Illumination Apparatus and Methods of Forming the Same - In one aspect, an illumination apparatus includes a waveguide, embedded in which are a light-emitting source and a photoluminescent material. Output light is emitted from at least a portion of a first surface of the waveguide. The photoluminescent material includes nano-size phosphor particles and/or quantum dots.01-07-2010
20100002413DISPLAY DEVICE - A display device capable of expressing a particularly superior red color, for example, a red color of the sRGB standard, is provided. A display device 01-07-2010
20100188837COLOR CONVERSION DEVICE AND COLOR CONTROLLABLE LIGHT-OUTPUT DEVICE - A color conversion device (07-29-2010
20100259917LIGHT FIXTURE USING UV SOLID STATE DEVICE AND REMOTE SEMICONDUCTOR NANOPHOSPHORS TO PRODUCE WHITE LIGHT - For general lighting applications, a semiconductor chip produces near ultraviolet (UV) electromagnetic energy in a range of 380-420 nm, e.g. 405 nm. Semiconductor nanophosphors, typically doped semiconductor nanophosphors, are remotely positioned in an optic of a light fixture. Each phosphor is of a type or configuration that when excited by energy in the 380-420 nm range, emits light of a different spectral characteristic. The nanophosphors together produce light in the fixture output that is at least substantially white and has a color rendering index (CRI) of 75 or higher. In some examples, the fixture optic includes an optical integrating cavity. In the examples using doped semiconductor nanophosphors, the visible white light output exhibits a color temperature in one of the following ranges along the black body curve: 2,725±145° Kelvin; 3,045±175° Kelvin; 3,465±245° Kelvin; and 3,985±275° Kelvin.10-14-2010
20100188839LIGHT EMITTING DIODE LIGHTING SYSTEM - A lighting system for generating an illumination product comprises an excitation source, blue/UV LED, operable to generate excitation radiation and a remotely located phosphor, photo luminescent material. Excitation radiation is guided from the excitation source to the phosphor by a waveguiding medium, the waveguiding medium being configured such that the distance the radiation travels from the excitation source to the phosphor layer is at least one centimeter in length. The UV/blue excitation source provides excitation radiation to the phosphor(s), causing the phosphor(s) to photo luminesce, and it may also provide a component of the final illumination product. The configuration of the waveguide allows a greater flexibility in lighting system configurations, such as hanging lighting fixtures, desk lighting fixtures, floor standing lighting fixtures, desk lamps, track lighting, spot lighting, accent lighting, lighting panels, inspection lamps and endoscopes.07-29-2010
20090316384LIGHT-EMITTING DEVICE AND ILLUMINATION APPARATUS USING THE SAME - A light-emitting device (12-24-2009
20100232135PHOTOSYNTHESIS INHIBITING LIGHT SOURCE AND ILLUMINATING DEVICE THAT USES THE SAME - A photosynthesis inhibiting light source that emits substantially white light that does not exert an adverse influence on the human body while inhibiting/stunting the growth and propagation of photosynthetic organisms. photosynthesis inhibiting light source includes a semiconductor layer that emits near-ultraviolet light and at least one kind of fluorescent substance that emits light by being excited by the near-ultraviolet light. The near-ultraviolet light includes ultraviolet light having a light emission band in wavelengths of 300 to 380 nm and violet light having a light emission band in wavelengths of 380 to 400 nm. The mixed light of the near-ultraviolet light and light emitted by the at least one kind of fluorescent substance is substantially white.09-16-2010
20100290208SOLID STATE LIGHTING DEVICES HAVING REMOTE LUMINESCENT MATERIAL-CONTAINING ELEMENT, AND LIGHTING METHODS - A lighting device comprising a first group of solid state light emitters, an element containing luminescent material and a second group of solid state light emitters spaced from the element. In some embodiments, (1) at least 50% of light emitted by one of the first group does not mix with light emitted by the second group before the light emitted by the second group has entered the element, (2) at least 90% of exiting light emitted by the second group travels farther within the lighting device than 90% of exiting light emitted by the first group, (3) an average distance traveled by exiting light emitted by the second group is farther than an average distance traveled by exiting light emitted by the second group, and/or (4) light emitted by the first group directly exiting the lighting device exits the lighting device without being incident upon the element.11-18-2010
20100188838ILLUMINATING APPARATUS - A peak of the radiation directivity of light emitted by each of LEDs is directed to a reflecting surface, and the light emitted by the LEDs is indirectly incident on an outer lens after reflection by the reflecting surface. Thus, problems, such as a local increase in brightness of a light emitting surface over areas corresponding to light emitting portions of the LEDs, are prevented. In addition, most of the light emitted by the LEDs is indirectly incident on the outer lens via the reflecting surface, so that dispersion of blue light and yellow light, which constitute the white light, by the outer lens is prevented. Thus, illumination light highly uniform in amount and color can be provided.07-29-2010
20100259919LED Downlight Retaining Ring - An LED downlight comprises a primary reflector having an upper end and an open lower end, an LED printed circuit board assembly disposed in the upper end of the reflector, an optical assembly positioned beneath the LED printed circuit board assembly, a secondary reflective ring positioned beneath the LED printed circuit board assembly and within the primary reflector housing, the secondary reflector ring supporting the optical assembly and improving light distribution.10-14-2010
20100259916LIGHT-EMITTING DEVICE AND METHOD FOR FABRICATING THE SAME - A light-emitting device and a method for fabricating the same are provided. The light-emitting device includes: a substrate; a light-emitting component disposed on the substrate; a lens covering the substrate to hermetically seal the light-emitting component; and a reflective layer formed and a light emission surface defined on the surface of the lens such that light beams generated by the light-emitting component are reflected off the reflective layer, refracted by the light emission surface, and then emitted outward in a specific direction, thereby forming specific light distribution patterns on an illuminated surface outside the light-emitting device.10-14-2010
20100214763PHOSPHOR, PROCESS FOR PRODUCING THE SAME, WAVELENGTH CONVERTER AND ILLUMINATION DEVICE - A fluorescent substance contains M08-26-2010
20130215597COLOR-TUNABLE LIGHTING DEVICES AND METHODS FOR TUNING COLOR OUTPUT OF LIGHTING DEVICES - A lighting device (08-22-2013
20130215598PHOTOLUMINESCENT NANOFIBER COMPOSITES, METHODS FOR FABRICATION, AND RELATED LIGHTING DEVICES - A photoluminescent nanofiber composite includes a nanofiber substrate, first luminescent particles, and second luminescent particles. The first luminescent particles are supported by the nanofibers and span at least a portion of a substrate surface, as a layer on the substrate surface, or with some particles located in a bulk of the substrate, or both. The second luminescent particles are disposed on the substrate. The second luminescent particles may be disposed directly on the substrate surface or on the first luminescent particles. The second luminescent particles may be deposited in a pattern of deposition units. The first and second luminescent particles are configured for emitting light of different respective wavelengths in response to excitation by a light beam. One or more surface treatment coatings may be provided at different locations.08-22-2013
20130215599LIGHTING DEVICES WITH COLOR-TUNING MATERIALS AND METHODS FOR TUNING COLOR OUTPUT OF LIGHTING DEVICES - A lighting device may include a housing interior, a light exit, a light source, and a light converter. Output light is outputted from the light exit by emitting primary light from the light source. In response, the light converter emits secondary light of one or more wavelengths different than the primary wavelength, and the output light includes a combination of the primary light and the secondary light. The color of the output light may be tuned by adjusting a color parameter of the output light. The adjustment includes adding a color tuning material at a location in the housing interior where primary light is incident on the color tuning material. The color tuning material is configured for emitting auxiliary light in response to the incident primary light. Subsequently, the lighting device produces color-tuned output light that includes a combination of the primary light, the secondary light and the auxiliary light.08-22-2013
20100226116LENSED CABLE LIGHT SYSTEMS - A light assembly includes an electroluminescent cable, an elongated lens, and a substantially planar substrate. The electroluminescent cable has an outer surface extending along a longitudinal dimension of the electroluminescent cable. The elongated lens extends along the longitudinal dimension of the electroluminescent cable and encloses at least a portion of the outer surface of the electroluminescent cable. The elongated lens is adapted to refract light emitted from the electroluminescent cable. The elongated lens structure is adhered to the substantially planar substrate. In certain instances, the substrate is a reflective substrate adapted to reflect light emitted from the electroluminescent cable.09-09-2010
20110110071RADIAL LIGHT-EMITTING DIODE LAMP IN FLAT PRINTED CIRCUIT BOARD FORM FACTOR - The present invention is embodied in a radial light-emitting diode (“LED”) lamp in a flat printed circuit hoard (“PCB”) form factor. In one embodiment, the LED lamp comprises a single, two-sided PCB having one or more LEDs on each side of the PCB. Each LED is encapsulated within a casing generally shaped as a linear dome or half cylinder having an axis. The casing may be a substantially homogenous, molded phosphor mixture that emits light upon exposure to the electromagnetic radiation emitted by the LED inside the casing. Because of phosphorescence and surface reflections in the casing, each LED emits light through an angle greater than 180 degrees transverse to the axis of the casing.05-12-2011
20120195020LIGHT SOURCE MODULE AND METHOD OF MANUFACTURING THE SAME - A light source module includes a receiving container, a first light source, a second light source, a first resin, and a second resin. The receiving container includes an upper surface, a first bottom surface, and a second bottom surface. The first bottom surface has a first depth from the upper surface. The second bottom surface has a second depth from the upper surface. The first light source is disposed on the first bottom surface. The first light source generates first color light. The second light source is disposed on the second bottom surface. The second light source generates second color light. The first resin is formed on the first light source. The first resin includes a phosphor emitting third color light. The second resin is formed on the first resin and the second light source.08-02-2012
20100246160ILLUMINATION APPARATUS, DISPLAY APPARATUS, AND METOD OF PRODUCING AN ILLUMINATION - [Object] To provide an illumination apparatus capable of suppressing a chromaticity fluctuation due to a view angle and an incident angle.09-30-2010
20100254115COLOR-TUNABLE ILLUMINATION SYSTEM, LAMP AND LUMINAIRE - The invention relates to a color-tunable illumination system (10-07-2010
20110058353LED-BASED LAMPS - An LED-lamp (lighting bar) comprises a plurality of solid state light emitters (LEDs) configured as an elongate (linear) array and a generally concave cylindrical light reflective surface disposed along the length of the array of LEDs. The concave light reflective surface is configured to direct light over an illumination plane located to a side of the lamp. The LEDs can be configured such that their emission axes are oriented to the illumination plane at an angle of between 0° and 90. The lamp can further comprise a second generally concave cylindrical light reflective surface in which the concave light reflective surfaces are configured to direct light over illumination planes located on respective sides of the lamp. There is also disclosed a panel lamp and sign incorporating the lamp(s) of the invention.03-10-2011
20100208449LIGHT EMITTING DEVICE COMPRISING A MULTIPHASE SIALONG-BASED CERAMIC MATERIAL - The invention relates to a light emitting device comprising a light source, especially a LED, and a luminescent material, which is a ceramic multiphase material essentially of the composition M08-19-2010
20100118509LIGHT SOURCE PACKAGE, LIQUID CRYSTAL DISPLAY DEVICE INCLUDING LIGHT SOURCE PACKAGE, AND METHOD OF MANUFACTURING THE SAME - Provided are, a light source package having a large emission area and a low manufacturing cost, a liquid crystal display device including the light source package, and a method of manufacturing the same. The light source package includes: a package case including a bottom plate having a bottom plate flat portion, and a light source mounting plate that is formed by bending at least one end of the bottom plate and has a first inclination angle with respect to the bottom plate flat portion; a light source mounted on the light source mounting plate; and a package reflecting portion formed in the package case so as to have a second inclination angle with respect to the bottom plate flat portion and reflecting light emitted from the light source.05-13-2010
20110235306MULTI-LENS SOLID STATE LIGHTING DEVICES - Solid state lighting (SSL) devices including a plurality of SSL emitters and methods for manufacturing SSL devices are disclosed. Several embodiments of SSL devices in accordance with the technology include a support having a first lead and a second lead, a plurality of individual SSL emitters attached to the support, and a plurality of lenses. Each SSL emitter has a first contact electrically coupled to the first lead of the support and a second contact electrically coupled to the second lead of the support such that the SSL emitters are commonly connected. Each lens has a curved surface and is aligned with a single corresponding SSL emitter.09-29-2011
20090116218Lighting Device Producing Light with Adjustable Color and Color Temperature - A lighting device includes a light source, at least one seal block, at least one wavelength conversion material and a concentration adjusting unit. The light source emits light of a first wavelength. The wavelength conversion material is filled in the seal block. The concentration adjusting unit is disposed on the seal block for controlling concentration distribution of the wavelength conversion material in the seal block. The light emitted by the light source is absorbed by the wavelength conversion material and converted into light of second wavelength different from the first wavelength.05-07-2009
20100046198Flexible Backlit Display - The present invention is directed toward a graphics display assembly configured to display a true color palette in illuminated and non-illuminate states. The graphics display assembly includes a backlit electroluminescent (EL) panel and optical interface layer. The optical interface layer is translucent, preventing color shift of transmitted light. In operation, the optical interface layer masks the pink or rose-colored hue visible when the EL panel is in its non-illuminated state.02-25-2010
20090116217LED lighting apparatus having separate wavelength conversion unit - The present invention provides an LED lighting apparatus having a separate wavelength conversion unit, which comprises the wavelength conversion unit and an LED. The wavelength conversion unit has an optical component and a wavelength conversion layer. The LED may be such positioned that the wavelength conversion layer is excited thereby. By forming the wavelength conversion unit at a surface of the optical component, the process of the LED can be simplified and the yield can be improved. Further, the present invention contributes to extending the application scope of the LED lighting apparatus by separating the wavelength conversion unit from the LED, so as to achieve optically desired light beams with evenness.05-07-2009
20090116216Light diffusion type light emitting diode - The present invention relates to light diffusion type light emitting diodes, more particularly, to a light emitting device having a large divergence angle by widely spreading an emitted light from a single color to a white color and a method thereof. The light emitting diode including the encapsulating layer according to the present invention is characterized by including at least two materials with different characteristics. According to the present invention, an encapsulating material for light emitting diode is mixed with at least two materials with a different polarity or a refractive index to easily form a light emitting diode. In addition, the light emitting diode die is bonded on the bottom surface of a cup, and an encapsulating material and microspheres are dispersed in the vicinity and upper portion of the light emitting diode and the entire light emitting diode, therefore the light emitting diode has a large and uniform divergence angle due to a light uniformly scattered and refracted. Furthermore, the microsphere particles with similar density to the encapsulating layer exist, thereby solving a problem of precipitation of particles, which occurs when the existing inorganic particles are dispersed.05-07-2009
20090116215Optical manifold - Optical systems are described that have at least one source of a beam of blue light with divergence under 15°. A phosphor emits yellow light when excited by the blue light. A collimator is disposed with the phosphor and forms a yellow beam with divergence under 15°. A dichroic filter is positioned to transmit the beam of blue light to the phosphor and to reflect the beam of yellow light to an exit aperture. In different embodiments, the beams of blue and yellow light are incident upon said filter with central angles of 15°, 22°, and 45°. The filter may reflect all of one polarization and part of the other polarization, and a polarization rotating retroreflector may then be provided to return the unreflected light to the filter.05-07-2009
20090116214LED ILLUMINATION SYSTEM WITH POLARIZATION RECYCLING - A light engine has a light source front surface that emits non-collimated light. A collection lens collects the non-collimated light and provides incompletely collimated light. A collimating lens receives the incompletely collimated light and provides a collimated image. A non-orthogonal polarizing filter receives the collimated image and passes a polarized portion of the collimated image as a direct component of the polarized light engine image. The non-orthogonal polarizing filter reflects a recycled image back to the front surface. The non-orthogonal shape of the polarizing filter is selected according to the pattern of light on the light source front surface.05-07-2009
20110176289PHOSPHOR-CENTRIC CONTROL OF SOLID STATE LIGHTING - Lighting systems and devices offer dynamic control or tuning of a color characteristic of light. The lighting devices or systems utilize separately controlled sources to pump phosphors. The lighting systems and devices are configured to enable adjustment of intensities of electromagnetic energy emitted by the sources to independently adjust levels of excitations of the phosphors, in order to control a color characteristic of the visible light output of the lighting system or device.07-21-2011
20090040746NOVELTY STICK HOLDERS FOR FOOD ON STICKS - Novelty themed stick holders for food items include an elongate holder having an external surface and opposing top and bottom portions defining an elongate receiving cavity therebetween. The cavity is configured and sized to receive a stick therein. In some embodiments, the holder tapers inwardly from a top portion to a bottom portion and defines a handle portion of a miniature baseball bat. Other themes and shapes are also described.02-12-2009
20090040745LIGHT EMITTING DEVICES INCLUDING WAVELENGTH CONVERTING MATERIAL - Light-emitting devices and associated methods are provided. The light emitting devices can have a wavelength converting material-coated emission surface.02-12-2009
20100195308LIGHT EMITTING DEVICE AND METHOD FOR FABRICATING THEREOF - The invention provides a light emitting device and method for fabricating thereof. The light emitting device includes a body having a cavity with a slanteded sidewall, a light emitting chip, a base and a conductive member, in which the base fits in the body, and the conductive member is formed in the body and extends out of the sidewall of the body along the slanteded sidewall of the cavity.08-05-2010
20090323304LIGHT EMITTING DEVICE HAVING A PHOSPHOR LAYER - A light emitting device and method of producing the same is disclosed. The light emitting device includes a light emitting semiconductor, an encapsulation layer, wherein the light emitting semiconductor is disposed within the encapsulation layer, a phosphor layer provided over the encapsulation layer, and an air gap provided between the encapsulation layer and the phosphor layer.12-31-2009
20080291659Table Having Luminescent Device - A table comprises a tabletop penetrable by light, at least one pedestal supporting the tabletop from a surface and a luminescent panel including a side attached to an underside of the tabletop. The light produced by luminescent panel can pass through the tabletop.11-27-2008
20110116251OCCUPANT PROTECTION DEVICE FOR A VEHICLE - An occupant protection device is provided for a vehicle that includes, but is not limited to at least one airbag module that is arranged in a hub region of a steering wheel. The airbag module includes, but is not limited to a visual surface facing a vehicle driver and the visual surface is entirely or partially formed of a textile.05-19-2011
20100296265ILLUMINATION LENS AND ILLUMINATION UNIT INCLUDING THE SAME - An illumination lens including a first part being free of prismatic patterns, a second part including prismatic patterns on both sides of the first part and configured to increase light distribution in the both sides of the first part, and a lens cover covering the first and second parts with the first and second parts being disposed on a substantially same plane under the lens cover.11-25-2010
20100309648LIGHT EMITTING DEVICE - The present invention relates to a light emitting device (12-09-2010
20130141892LAMP AND LIGHTING APPARATUS - Provided is a lamp capable of suppressing an increase in temperature of a semiconductor light-emitting device, such as LED. A lamp according to the present invention is a lamp in which gas is enclosed, the lamp includes: a globe; and a light-emitting module which is housed in the globe and includes a base board and an LED disposed on the base board. The gas in the lamp is enclosed in the globe, the gas surrounding the light-emitting module and containing one of hydrogen, helium, and nitrogen.06-06-2013
20100321920ILLUMINATING DEVICE AND PACKAGING METHOD THEREOF - An illuminating device includes a substrate, an illuminating element, at least one barricade and at least one cover layer. The illuminating element is disposed on the substrate. The barricade is protruded from a surface of the substrate and disposed around the illuminating element continuously or discontinuously to form a first accommodating area. The cover layer is disposed in the first accommodating area for covering the illuminating element.12-23-2010
20100321919LED BASED LAMP AND LIGHT EMITTING SIGNAGE - An LED based lamp comprises: an enclosure with an opening that comprises a light emission plane through which light is emitted from the lamp; a plurality of LEDs located along at least one wall of the enclosure and operable to generate light of a first wavelength range, wherein the LEDs are configured such that in operation their emission axis is oriented within a plane that is substantially parallel with or directed away from the light emission plane; and a first light reflective surface located on the base of the enclosure and configured such that in operation light is reflected through the light emission plane. A light emitting sign comprises the lamp of the invention with a light transmissive display surface overlying the light emission plane.12-23-2010
20100321921LED LAMP WITH A WAVELENGTH CONVERTING LAYER - Disclosed herein are embodiments of replacement lights for conventional fluorescent tube lights for use in a conventional fluorescent fixture. One embodiment comprises a tubular housing, a circuit board disposed within the housing, a pair of end caps disposed on opposing ends of the tubular housing with at least one pin connector extending from each end cap, an array of LEDs arranged longitudinally along the circuit board, a number and spacing of the LEDs being such as to uniformly and fully occupy a space between the end caps, wherein at least one of the connectors is electrically connected to the LEDs and a wavelength-converting material in contact with at least a portion of the tubular housing. The wavelength-converting material is excited by transmitted light from the LEDs to produce visible light.12-23-2010
20100328925ILLUMINATION DEVICE WITH LED AND A TRANSMISSIVE SUPPORT COMPRISING A LUMINESCENT MATERIAL - The invention provides an illumination device (12-30-2010
20120230012LED-BASED LIGHT BULB - A light source (09-13-2012
20110110070REFLECTING CAP FOR ENHANCING ILLUMINANCE OF ILLUMINATION - The present invention relates to a reflecting cap for enhancing an illuminance of an illumination, which can enhancing the illuminance, protect skin by UV blocking, prevent dazzling, used with being inserted on lamp of various existing illuminations and adjust an irradiation angle of the light freely. To this end, the present invention provides a reflecting cap for enhancing an illuminance of an illumination, which includes a sheet having a shape that is inserted on a lamp of an illumination so as to enhance an illuminance of the illumination. In accordance with the present invention, an illuminance is increased and an economic effect can thus be expected. Further, it is possible to adjust an irradiation angle of the illumination light by adjusting an angle of the sheet inserted on the lamp of the illumination.05-12-2011
20110026238LIGHTING DEVICE - Disclosed is a lighting device. The lighting device includes a plurality of lighting units including a housing, a light emitting module installed in the housing, and a coupling part having a fixing section coupled on the housing and a protrusion section horizontally protruding from an upper end of the fixing section; and a bracket having an insertion groove slidably coupled with the protrusion section of the coupling part to assemble the lighting units with each other.02-03-2011
20110044025LIGHT EMITTING DEVICE - The light emitting device comprises a point light source, a solid and transparent light guide, a recess arranged on center of a light receiving surface of the light guide, a concave lens formed on a surface of the recess. A reflecting side surface is a revolving surface determined by revolving a parabola passing through one point of peripheral border of the light receiving surface and the other point of peripheral border of the light radiating surface, and having a focal point on the other point of peripheral border. The point light source is arranged apart from the light receiving surface so as to divide the light from the point light source into light entering into the light guide through the surface of the recess and light entering into the light guide through some part of the light receiving surface other than the recess.02-24-2011
20110044023Lighting device - A lighting device includes a housing, at least one reflector disposed inside the housing; and a light source unit being disposed inside the housing and emitting light toward the reflector, wherein the light source unit includes a light emitting groove formed therein, the light emitting groove including a basal surface sloped toward the reflector, and wherein a plurality of light emitting devices are disposed sloping along the basal surface in the light emitting groove, and wherein the light emitting groove includes a projection part formed from the basal surface, the projection part blocking the light emitted directly from a plurality of the light emitting devices to the outside of the housing.02-24-2011
20100172121SELF-SUPPORTING LUMINESCENT FILM AND PHOSPHOR-ENHANCED ILLUMINATION SYSTEM - The invention relates to a self-supporting luminescent film (07-08-2010
20090034230ILLUMINATION ASSEMBLY INCLUDING WAVELENGTH CONVERTING MATERIAL HAVING SPATIALLY VARYING DENSITY - Illumination assemblies, components, and related methods are described. An illumination assembly can include at least one solid state light-emitting device, an emission surface through which light is emitted, and a wavelength converting material that wavelength converts at least some light emitted by the solid state light-emitting device. The wavelength converting material can have a first density per unit area of the emission surface at a first location and a second density per unit area of the emission surface at a second location, wherein the second density is substantially different from the first density, and wherein the density per unit area is defined with a 1×1 cm02-05-2009
20110128718LIGHTING FIXTURES USING SOLID STATE DEVICE AND REMOTE PHOSPHORS TO PRODUCE WHITE LIGHT - The present subject matter utilizes solid state sources to pump remote phosphors positioned within lighting fixtures to facilitate visible light illumination application in a region or area to be inhabited by a person. One or more phosphors are remotely positioned in a chamber of a lightguide element, which in some examples, substantially fills an optical volume of the fixture. The chamber includes a solid liquid or gas material for bearing the one or more phosphors. Multiple phosphors, for example, may together produce light in the fixture output that is at least substantially white and has a color rendering index (CRI) of 75 or higher.06-02-2011
20110116250Multi-loop parallel and serial application chip bracket - The present invention relates to a multi-loop parallel and serial application chip bracket, comprising a substrate, a plurality of chips, a plurality of conducting wires, positive and negative conducting brackets, a plurality of fluorescent layers and transparent adhesive tape and in particular one in which a pair of positive and negative conducting brackets are designed on both sides of the substrate for the placement of a plurality of conducting wires for a plurality of chips on the front side and back side for serial connection of the positive and negative conducting brackets on the two sides, therefore offering the single serial and parallel lighting effect of the front side and back side, wherein at least one pair of positive and negative conducting brackets may be added on the two sides of the substrate to realize the multi-stage single serial and parallel alternative switching cyclic permanent illuminating lighting control function and achieve the industrial application of the multi-facet chip loop interactive permanent illuminating lighting.05-19-2011
20110242791LIGHT SOURCE MODULE AND WAVELENGTH CONVERSION MODULE - A light source module and a wavelength conversion module are provided. The light source module includes a first light emitting device, a reflection unit, a wavelength conversion unit, a second light emitting device and a light combination unit. The first light emitting device emits an exciting beam. The reflection unit is disposed on a transmission path of the exciting beam. The wavelength conversion unit is disposed on the reflection unit and located on the transmission path of the exciting beam. The exciting beam is obliquely incident into the wavelength conversion unit along an optical axis of the first light emitting device, and the wavelength conversion unit converts the exciting beam into a first color beam. The second light emitting device emits a second color beam. The light combination unit is disposed on transmission paths of the first color beam and the second color beam.10-06-2011
20120230010FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME - The embodiment provides a green light-emitting fluorescent substance having high quantum efficiency and also a light-emitting device comprising that substance so as to less undergo color discrepancies. The fluorescent substance is generally represented by (Sr09-13-2012
20110085319LIGHTING APPARATUS - The invention relates to a lighting apparatus which comprises a laser light modification unit (2) for modifying laser light (3) to modified light and a laser (4) for emitting laser light (3) that is to be directed to the laser light modification unit (2). The lighting apparatus further comprises a first layer (5) and an opposing second layer (6), wherein the laser light modification unit (2) is arranged between the first layer (5) and the second layer (6), wherein at least one of the first (5) and the second layer (6) comprises a transparent material being transparent to the modified light and wherein the laser light modification unit (2) is adapted to allow the modified light to pass through the transparent material.04-14-2011
20100182766ILLUMINATION DEVICE WITH FLEXIBLE LIGHT TRANSMISSIVE FILM - An exemplary illumination device includes a light source, a flexible light transmissive film and a driving module. The light source is for emitting light. The flexible light transmissive film has a substantially rectangular shape. The flexible light transmissive film is divided into a plurality of optical wavelength converting regions successively arranged along a longitudinal direction of the rectangular shape. The driving module is mechanically connected to at least one end of the light transmissive film and configured for winding up the light transmissive film, thereby driving the light transmissive film to travel along the longitudinal direction.07-22-2010
20110176291SEMICONDUCTOR LAMP - A lamp for general lighting applications utilizes solid state light emitters and provides light output that may approximate light emissions from of an incandescent lamp. An exemplary lamp includes a bulb and a pedestal extending into the bulb that supports the light emitters in orientations such that emissions from the emitters through the bulb approximate emissions from a filament of an incandescent lamp. An inner member around the emitters and the pedestal provides further light processing, e.g. diffusing and/or phosphor luminescence. The lamp conforms to form factors and/or uses lamp base connectors of common incandescent lamps and/or compact fluorescent lamps. For efficient substitution of components during manufacture of lamps to different specifications, at least some examples use modular couplings for the parts of the lamp to the heat sink or other housing, such as for couplings of the lamp base, the bulb and the inner light processing member (if provided).07-21-2011
20100033947Enhanced Wavelength-Converting Structure - An enhanced wavelength-converting structure is disclosed. The enhanced wavelength-converting structure includes a substrate, a wavelength-converting layer arranged next to the substrate, and a wavelength-selective reflecting layer arranged next to the wavelength-converting layer. The wavelength-converting layer converts the first light into the second light. A part of the second light radiating backward to the light source is further reflected toward the substrate by the wavelength-selective reflecting layer to form the enhanced second light by combining with another part of the second light radiating toward the substrate.02-11-2010
20100053933WHITE EMITTING LIGHT SOURCE AND LUMINESCENT MATERIAL WITH IMPROVED COLOUR STABILITY - The invention relates to a white emitting light source with an improved luminescent material of the formula (AEN2/3)*b(MN)*c(SiN4/3)*d1CeO3/2*d2EuO*xSiO2*yAlO3/2 wherein AE is an alkaline earth metal chosen of the group of Ca, Mg, Sr and Ba or mixtures thereof and M is a trivalent element chosen of the group of Al, B, Ga, Sc with d1>10*d2. In combination with a UV to blue light generating device this material leads to an improved light quality and stability, especially an improved temperature stability for a wide range of applications.03-04-2010
20100046197LIGHT SOURCE DEVICE WITH HIGH HEAT-DISSIPATION EFFICIENCY - A light source device includes a circuit board, a solid state lighting element, and a hollow cylindrical metal reflector. The circuit board has a circuit layer formed thereon. The solid state lighting element is placed on the circuit board and electrically connected to the circuit layer. The hollow cylindrical metal reflector is placed on the circuit board and insulated from the circuit layer. An inner surface of the reflector surrounds the solid state lighting element to reflect and direct light from the solid state lighting element towards an opposite side of the reflector to the solid state lighting element.02-25-2010
20100053929LED Packaging Methods And LED-Based Lighting Products - A method of packaging a light-emitting diode (LED) chip includes coupling the LED chip to a printed circuit board (PCB) and forming a conductor on a cover plate. Conductive epoxy is applied to at least one of the LED chip and the conductor. The cover plate is coupled to the PCB such that the conductive epoxy forms a circuit connection between the LED chip and the conductor. An LED-based lighting product includes a PCB with one or more LED chips mounted directly thereon. A cover plate has conductors that couple at least to the one or more LED chips and to the PCB, such that the conductors form electrical connections between the one or more LED chips and the PCB.03-04-2010
20100053931Solid State Lighting Compositions And Systems - The present invention relates to lighting technologies and, in particular, to solid state lighting technologies. In one embodiment, the present invention provides a lighting apparatus comprising a first electrode, a radiation transmissive second electrode, and a composite layer disposed between the first and second electrode, the composite layer comprising at least one electric field concentrator and at least one phosphor disposed in a radiation transmissive dielectric material.03-04-2010
20100053930WAVELENGTH CONVERSION PLATE AND LIGHT EMITTING DEVICE USING THE SAME - Provided is a wavelength conversion plate having excellent luminous efficiency of a wavelength-converted light. The wavelength conversion plate includes a dielectric layer with nano pattern, a metal layer formed inside the nano pattern, and a wavelength conversion layer formed on the metal layer and having quantum dot or phosphor which wavelength-converts an excitation light to generate a wavelength-converted light.03-04-2010
20100053928LIGHT EMITTING DEVICES MADE BY BIO-FABRICATION - A light emitting device includes a substrate layer, a first injection contact positioned over the substrate layer, a first dielectric layer positioned over the first injection contact, a light emission layer positioned over the first dielectric layer, a second dielectric layer positioned over the light emission layer and a second injection contact positioned over the second dielectric layer. The light emission layer includes an organic template having binding sites for binding nanoparticles into an array. The wavelength of emitted light is dependent upon the size of the nanoparticles and the pitch of the array. The light emitting device may include a first plurality of binding sites for binding a first set of nanoparticles and a second plurality of binding sites for binding a second set of nanoparticles. The wavelength depends upon a ratio of the first plurality to the second plurality of binding sites.03-04-2010
20110149548LIGHT EMITTING DIODE BASED LINEAR LAMPS - A linear lamp (lighting bar) comprises: a linear array of LEDs and an elongate lens disposed over the array of LEDs. The lens comprises a generally concave central portion (divergent) and generally convex edge portions (convergent) and is configured such that in operation a variation in illuminance is less than 10% over an angular range of at least 90°. In one arrangement the concave central portion comprises an inner generally concave surface that faces the LEDs and an outer substantially planar and/or generally concave surface overlying the LEDs. The convex edge portions can comprise an outer generally convex surface. The lamp is suited for use in a light box for light emitting signage, under-cabinet/under-shelf lighting, cove lighting, retail display lighting, advertisement display lighting, wall sconce lighting and outdoor or indoor area lighting06-23-2011
20100135001LIGHT-EMITTING DEVICE WITH A LONG LIFESPAN - A light-emitting device includes a housing, a light-emitting unit, a cup-shaped reflector, and a plurality of leads. The light-emitting unit is disposed in the housing. The cup-shaped reflector is disposed in the housing, and includes a base wall that is formed with a plurality of holes therethrough, and a surrounding wall that diverges from the base wall thereof and that surrounds the light-emitting unit. Each of the leads extends into the housing and is coupled electrically to the light-emitting unit.06-03-2010
20110103039LUMINESCENT COMPONENT AND MANUFACTURING METHOD - The present invention relates to a luminescent component (05-05-2011
20100238645MULTI-CAVITY LED ARRAY RGB COLLIMATION OPTIC - This invention relates to optical devices. More specifically, the present invention relates to a collimated optical light source assembly that produces a uniform white light. Specifically, light from a multi-cavity RGB LED array is dispersed in a reflecting cavity having a Lambertian texture on the interior surface. The light is then emitted though a lenslet array and a cone lens which together further disperses the light emitted by the individual LEDs. The dispersed light is then collimated by a reflector.09-23-2010
20090027872LUMINESCENT OBJECT COMPRISING ALIGNED POLYMERS HAVING A SPECIFIC PRETILT ANGLE - A first aspect of the invention relates to a luminescent object comprising an aligned polymer that contains an oriented photoluminescent material, said aligned polymer having a pretilt angle of 10-90°. The luminescent object according to the present invention may advantageously be employed in luminescent solar concentrator systems as it enables highly efficient transportation of radiation emitted by the photoluminescent material following exposure to incident solar light. Another aspect of the invention concerns a photovoltaic device comprising an electromagnetic radiation collection medium containing the aforementioned luminescent object and a photovoltaic cell capable of converting optical radiation to electrical energy which is optically coupled to the luminescent object. Further aspects of the invention include a fluorescent light activated display and a room lighting system comprising the aforementioned luminescent object.01-29-2009
20110069474Method and Apparatus for Generating White Light from Solid State Light Emitting Devices - An optical device capable of generating warm light using an array of phosphor islands situated over a phosphor layer is disclosed. The device includes a solid state light emitter, a phosphor layer, and phosphor islands. The solid state light emitter, in an aspect, is a light emitting diode (“LED”) capable of converting electrical energy to optical light. The phosphor layer is disposed over the solid state light emitter for generating luminous cool light in response to the optical light. Multiple phosphor islands are disposed on the phosphor layer for converting cool light to warm light, wherein the phosphor islands are evenly distributed over the phosphor layer.03-24-2011
20110069473Display device, apparatus for producing display device, and method for producing display device - A display device free from a deterioration in luminescence efficiency is provided. In the display device of the present invention, since an inorganic film is formed after concave parts in which luminescence portions are positioned are filled with a filling film, no crack is formed in the inorganic film. Since the inorganic film is made of a material having high gas tightness and heat conductivity (such as, diamond-like carbon or AlN), water and oxygen will hardly penetrate the luminescence portions, and heat of the luminescence portions will be conducted to the inorganic film, so that the luminescence portions do not reach high temperatures. Further, since a gap between first and second panels is filled with a resin film, the atmosphere does not enter from the outside. Because the luminescence portions are free from damage from water, oxygen and heat, the display device of the present invention has a prolonged life.03-24-2011
20110075395Decorating Guitars - Apparatus and methods to decorate guitars are disclosed. An apparatus of one aspect may include a guitar shaped video game controller having a body and a neck. The apparatus may also include a decoration applied over a front surface of the body. The apparatus may also include a light coupled with the body of the guitar, the light disposed underneath the decoration, the light to transmit visible light through the decoration.03-31-2011
20120147590LED TUBE - A light emitting diode (LED) tube is disclosed. The LED tube comprises a print circuit board comprising a plurality of LEDs arranged on one side; a housing adapted to receive the print circuit board, the housing comprises a first phosphor layer and a second phosphor layer coated on an outer surface of the housing, the housing is rotatable around the print circuit board; and a connector attached to one end of the housing, the connector is adapted to provide electrical power to the plurality of LEDs.06-14-2012
20110211333Wavelength Conversion - A wavelength conversion device comprising a plurality of regions. Each region for absorbing radiant energy and emitting light having a characteristic dependent upon which region of the device emits the light.09-01-2011
20100296266Lighting Device - A luminous device (11-25-2010
20100296264ILLUMINATION DEVICE - The invention relates to an illumination device (11-25-2010
20100259918SOLID STATE LIGHTING SYSTEM WITH OPTIC PROVIDING OCCLUDED REMOTE PHOSPHOR - The present teachings relate to semiconductor-based lighting systems and fixtures which process electromagnetic energy from light emitting diodes or the like. A disclosed exemplary system includes at least one occluded remote phosphor and produces substantially white light of desired characteristics. The remote phosphor extends over at least a portion of a surface of a macro optic at an occluded location such that none of the remote phosphor is directly visible through an optical aperture. The phosphor is responsive to electromagnetic energy from a semiconductor device to emit visible light for the emission through the optical aperture.10-14-2010
20080232084WHITE LIGHT SOURCE DEVICE - Light beams emitted from a blue LED light source of a light source unit are condensed by a condenser lens to enter an entrance end face of a rod lens, and the light beams progress through while being repeatedly reflected several times inside the rod lens. Accordingly, the unevenness of brightness is reduced, and the light enters an fluorescent material sheet bonded to an exit end of the rod lens from the exit end as blue light which is uniformed in illuminance, and white light whose color is seen as the same color viewed in any direction of the fluorescent material sheet is emitted from the fluorescent material sheet.09-25-2008
20110149549SEMICONDUCTOR LIGHT SOURCE APPARATUS AND LIGHTING UNIT - A semiconductor light source apparatus can emit various color lights having high brightness. The semiconductor light source apparatus can include a radiating substrate, at least one phosphor layer disposed on the radiating substrate and a semiconductor light source. The at least one phosphor layer can be composed of at least one of a glass phosphor and a phosphor ceramic and can include at least one of a red phosphor, a green phosphor and a blue phosphor. The light source can be located adjacent the phosphor layer so that light having high brightness emitted from the light source can be efficiently reflected on the radiating substrate via the at least one phosphor layer. Thus, the disclosed subject matter can provide a semiconductor light source apparatus that can emit various color lights having high brightness and a lighting unit using the light source apparatus, which can be used for general lighting, etc.06-23-2011
20090316383LIGHTING APPARATUS - A lighting apparatus includes a light reflector, a light emitting diode (LED) and a light-changing film. The light reflector has a concave surface. The LED is disposed under the concave surface of the light reflector to provide the concave surface with light. The light-changing film converts a first light generated by the LED into a second light. For example, the light-changing film may be a fluorescent film receiving the first light and emitting the second light with increased wavelength. The LED and the light-changing film are spaced apart from each other to minimize discoloration of the light-changing film.12-24-2009
20120201012FLUORESCENT LIGHT EMISSION ENHANCER LIGHT-CONE - A fluorescent light emission enhancer light-cone for insertion into the central aperture of the fluorescent light bulb and subsequent expansion into a cone which helps increases the light intensity of said fluorescent light bulb by emitting outside almost half of light emission from said fluorescent light bulb that is lost inside between its loped tubes.08-09-2012
20110176290WAVELENGTH CONVERSION UNIT AND ILLUMINATION APPARATUS INCLUDING THE UNIT - A wavelength conversion unit includes a wavelength conversion member that transmits a part of incident excitation light and converts a part of the excitation light into wavelength-converted light having a wavelength different from a wavelength of the excitation light to emit the wavelength-converted light. The excitation light has an intensity distribution in which an intensity is maximum at the center and decreases as getting apart from the center. A thickness of the wavelength conversion member at a portion into which light at the center of the intensity distribution of the excitation light enters is larger than those at any other portions.07-21-2011
20110255264LIGHT EMITTING MODULE AND OPTICAL WAVELENGTH CONVERTING MEMBER - A light emitting module is provided with a light emitting element and an optical wavelength converting member. The optical wavelength converting member includes a light incident plane, a light output plane, and an outer plane which is a plane except for said light incident plane and said light output plane. The optical wavelength converting member converts a wavelength of light emitted on the light emitting element and entered from the light incident plane into the optical wavelength converting member and outputs the wavelength-converted light from the light output plane. An average roughness “Ra” of at least a portion of the outer plane is lower than an average roughness of the light output plane.10-20-2011
20100309646LIGHT-EMITTING DEVICE AND DISPLAY UNIT AND LIGHTING UNIT USING THE SAME - A light-emitting device (12-09-2010
20100309647Illumination Unit Consisting of Discharge Lamp, LEDs and Conversion Phosphors - The invention relates to an illumination unit having an adjustable colour location consisting of a discharge lamp as primary light source and LEDs as secondary light source and additionally a phosphor layer in the form of a phosphor screen comprising conversion phosphors. Furthermore, the present invention relates to a method for lighting usable areas by the illumination unit according to the invention.12-09-2010
20120176769ILLUMINATION DEVICE AND MEDICAL-OPTICAL OBSERVATION INSTRUMENT - An illumination device for a medical-optical monitoring apparatus illuminates a monitored object (07-12-2012
20080253106Uv Activated Electronic Window - An area light source (10-16-2008
20080205033Lighting Apparatus for Biological and Medical Purposes - The lighting apparatus according to the invention comprises one or several light sources and a light guide including a light outcoupling structure. The lighting apparatus emits light between 280 and 800 nanometers. It is an object of the invention to provide an improved apparatus for scientific and therapeutic purposes with a light source of planar structure, which can be optimally adapted to an exposed area. This is achieved by light sources or parts of them being easily replaceable. The light sources may be fluorescent lamps based on an Hg, Ne, Xe or Xe/Ne discharge or they may also be LEDs.08-28-2008
20110096526Light Emitting Device and Illumination Device - A light emitting device includes a base, a sub-mount substrate, and a frame member. The light emitting device further includes a light emitting element and a wavelength converting member. The sub-mount substrate is disposed on the base, and has an upper surface made of a ceramic sintered body. The frame member has a light reflecting portion made of porous ceramics, is disposed on the base, and surrounds the sub-mount substrate. The light emitting element is mounted on the sub-mount substrate. The wavelength converting member covers the light emitting element and the light reflecting portion of the frame member.04-28-2011
20100284167SEPARATE OPTICAL DEVICE FOR DIRECTING LIGHT FROM AN LED - Embodiments of the present invention provide separate optical devices operable to couple to a separate LED, the separate optical device comprising an entrance surface to receive light from a separate LED when the separate optical device is coupled to the separate LED, an exit surface opposite from and a distance from the entrance surface and a set of sidewalls. The exit surface can have at least a minimum area necessary to conserve brightness for a desired half-angle of light projected from the separate optical device. Furthermore, each sidewall is positioned and shaped so that rays having a straight transmission path from the entrance surface to that sidewall reflect to the exit surface with an angle of incidence at the exit surface at less than or equal to a critical angle at the exit surface.11-11-2010
20110116253SEMICONDUCTOR LIGHT SOURCE APPARATUS AND LIGHTING UNIT - A semiconductor light source apparatus can adjust a color tone of white light. The semiconductor light source apparatus can include a phosphor wheel, a motor rotating the phosphor wheel, a light source and a moving module. The phosphor wheel can include at least one phosphor layer configured to emit excited light. The phosphor wheel can vary a mixing ration of white light that is created by light emitted from the light source and the light excited by the at least one phosphor layer in accordance with a position of the phosphor wheel emitted by the light source. The moving module that is connected to the motor can adjust the position of light emitted from the light source. Thus, the disclosed subject matter can provide a semiconductor light source apparatus that can adjust a color tone of white light and a lighting unit using the light source apparatus, which can be used for a projector, lamp, etc.05-19-2011
20100328924LIGHTED UMBRELLA - Lighted umbrella (12-30-2010
20110261554LED BACKLIGHTING FOR DISPLAYS - A display system including a display panel having a first major surface and a second major surface and a lighting system adapted to provide uniform luminance proximal to the display panel is disclosed. The lighting system includes an illuminating substrate having a first major surface with reflective coating and a second major surface. The illuminating substrate defines an array of mounting holes, each hole occupied by an LED module. An array of light emitting diode (LED) modules are affixed to the illuminating substrate, each module including at least one light emitting diode adapted to emit light. The lighting system can also include a diffusant layer which can be optically coupled to the illuminating substrate by soft optical gel and is placed close to or made to contact the display panel. The optical gel may contain phosphors or other optical substance for added optical performance to the lighting system. The diffusant layer has beveled edges at critical angle of refraction or coated with reflective material to minimize light loss at its edges. Each of the LED modules includes at least one LED chip, conductive traces connected to the LED chip and a heat sink.10-27-2011
20110044024Lighting device - A lighting device includes: a housing, a coupling member, at least one reflector, and a light source unit, wherein the light source unit includes: a first body having a first coupling unit, a first sloping surface, and a first hinge protruding, a second body having a second coupling unit, a second sloping surface, and a second hinge protruding, a middle body having a second insertion groove and having a second connection terminal, the second connection terminal electrically connected to the first connection terminal, when the light source unit is coupled to the coupling member, and a main light emitting diode module disposed on the first sloping surface and the second sloping surface respectively.02-24-2011
20110134625Illuminated reading material holder and recharging system - An integrated illuminating reading material holder and system for recharging the holder(s) that uses an electro-luminescent sheet positioned parallel to and under a top flat transparent surface. The reading material is adapted to be supported on top of the transparent surface. A multi-slotted recharging station includes contacts in designated slots for recharging the battery of the holder when received in a respective slot. The holder and system may also use light emitting diodes placed around all or a portion of the perimeter of the holder to illuminate the reading material.06-09-2011
20110134626ILLUMINATION SYSTEM USING PHOSPHOR REMOTE FORM LIGHT SOURCE - The invention provides an illumination system and a method for illumination. The illumination system includes one or more light sources that produce a primary light, a light-mixing zone that homogenizes the primary light, a wavelength-converting layer that converts the primary light to a secondary light, and a light-transmitting zone that receives the secondary light and transmits the secondary light to, for example, a Liquid Crystal Display (LCD).06-09-2011
20100177496CUSTOM COLOR LED REPLACEMENTS FOR TRADITIONAL LIGHTING FIXTURES - Light emitting diodes (LEDs) comprising semiconductor nanocrystals, or more specifically quantum dots, used as a stable phosphor are presented. The result is a color tunable LED with a lifetime of at least 1,000 hours, or at least 5,000 hours.07-15-2010
20100177495ILLUMINATION SYSTEM, COLLIMATOR AND SPOTLIGHT - The invention relates to an illumination system (07-15-2010
20110164398LUMINAIRE AND ILLUMINATION SYSTEM - The invention relates to a luminaire (07-07-2011
20110164397LED PACKAGE USING PHOSPHOR CONTAINING ELEMENTS AND LIGHT SOURCE CONTAINING SAME - A light-emitting diode package is described comprising a body including a hollow having a rim that extends outwardly from an open end of the hollow. A light emitting diode is positioned in the hollow and opposite the open end. A nongaseous transparent optical medium fills the hollow and a phosphor-containing element (PCE) is disposed over the hollow sealing the open end. The PCE has a solid body and a lateral portion including a periphery and dividing a top and a bottom. The bottom of the PCE is convex and in contact with the nongaseous transparent optical medium and the periphery of the PCE is in contact with the rim.07-07-2011
20110096527NANOPHOSPHOR, LIGHT EMITTING DEVICE INCLUDING NANOPHOSPHOR, AND METHOD OF PREPARING NANOPHOSPHOR - A nanophosphor including ZnS, having an average particle diameter of about 10 to about 500 nanometers, and having a ZnS cubic (111) peak in an X-ray diffraction spectrum, wherein the ZnS cubic (111) peak has a full width at half maximum (“FWHM”) of about 0.280 degrees or less.04-28-2011
20100165600LIGHT EMITTING DIODE LAMP - An LED lamp includes a base, a bracket, a knob pivotably interconnecting the base and the bracket, and a reflector facing the base. The bracket includes two perpendicular arms on which multiple first LED modules and second LED modules are mounted. The first LED modules emit warm light, and the second LED modules emit cold light. The first LED modules and the second LED modules are selective to lighten by manipulating a button attached to the base.07-01-2010
20120206900LIGHT SOURCE MODULE AND PROJECTION APPARATUS - A light source module includes a light-emitting device emitting an excitation light beam, a reflective component including a reflective surface with a first focal point and a second focal point, a wavelength conversion device including a plurality of excited regions and disposed nearby the first focal point and on the transmission path of the excitation light beam, and an optical component. By rotating the wavelength conversion device, the excitation light beam irradiates the different excited regions at different time, so that the excitation light beam is converted into different wavelength light beams at different time, and the different wavelength light beams respectively correspond to the excited regions and are reflected by the reflective surface and converged at the second focal point. The optical component is disposed nearby the second focal point so the different wavelength light beams pass through the second focal point and are transmitted to the optical component.08-16-2012
20100067217LED LIGHTING ARRANGEMENT INCLUDING LIGHT EMITTING PHOSPHOR - A lighting arrangement comprises: a hollow substantially cylindrical optical component; a plurality of light emitting diodes disposed along the axis of the optical component and operable to generate light of a first wavelength range and at least one phosphor operable to absorb at least a portion of the light emitted by the light emitting diodes and to emit light of a different wavelength range, wherein light generated by the arrangement comprises the combined light emitted by the light emitting diodes and at least one phosphor. The at least one phosphor can be provided as a layer on at least a part of the inner and/or outer curved surfaces of the optical component or incorporated within the optical component.03-18-2010
20100067216LED LIGHTING ARRANGEMENT INCLUDING LIGHT EMITTING PHOSPHOR - A lighting arrangement comprising: a light reflective enclosure; at least one radiation source housed within the enclosure and operable to generate excitation light of a first wavelength range; a substantially spherical optical component mounted over the enclosure opening and at least one phosphor operable to absorb at least a portion of the excitation light and to emit light of a second wavelength range, wherein light generated by the arrangement comprises the combined light of the first and second wavelength ranges and wherein the at least one phosphor material is provided as a layer on at least a part of the surface of the optical component that is enclosed within the volume of the enclosure when the component is mounted to the enclosure.03-18-2010
20100067215Light Source - The invention relates to a light source comprising a primary radiation source and a luminescent substance, and to a method for producing this light source. The invention relates, in particular, to a method for producing an electric light source using one or more luminescent substances emitting in the visible spectrum range, and at least one primary source emitting preferably in the UV range, and which is preferably, but not exclusively, an LED.03-18-2010
20100195306LIGHT EMITTING DIODE LAMP WITH PHOSPHOR COATED REFLECTOR - A light emitting apparatus includes a lamp reflector having phosphor, wherein the lamp reflector further includes an aperture, and an LED light source arranged with the lamp reflector to excite the phosphor and to emit light through the aperture of the lamp reflector.08-05-2010
20100195307Phosphor Composite Coated Diffuser device and method - A two part device and method for converting a single wavelength light source such as blue LEDs to white light. A separable diffuser light converter is provided in proximity to a directional light source such as plurality of blue LEDs provided on a printed circuit board substrate. In a planar example, red and green phosphors are provided in a polymer, silicon rubber, or epoxy carrier which is applied to the inner surface of a glass or acrylic diffuser. The diffuser is a transparent or translucent material such as glass, acrylic, polycarbonate, or ceramic. The diffuser is removably supported in proximity to the light source. The diffuser light converter may be selected for its phosphor properties, and may be replaced as the diffuser material or phosphor layer degrades.08-05-2010
20100265693TUBE-TYPE OR CHANNEL-TYPE LED LIGHTING APPARATUS - A light emitting diode (LED) lighting apparatus that may be used as interior lighting or advertisement lighting is disclosed. The LED lighting apparatus includes a channel-type or tube-type optical housing with a light emission surface and an LED array arranged in the optical housing. The light emission surface includes a valley line and a first inner ridge and a second inner ridge disposed on opposing sides of the valley line, and the LED array includes a plurality of LEDs whose centers are arranged along the valley line.10-21-2010
20110188228LIGHT EMITTING DIODE (LED) BASED LIGHTING SYSTEMS - A lighting system comprises at least one excitation source (08-04-2011
20100027239MODULAR LIGHTING SYSTEM - A luminaire, light fixture base, and self-ballasting fluorescent lighting stick are disclosed. The luminaire includes a fixture base and self-ballasted fluorescent lighting sticks. The fixture base is configured to secure the lighting sticks, and to provide electrical power to the lighting sticks at an electrical end of the fixture base. Each of the lighting sticks is separately replaceable in the fixture base. The electrical end of the fixture base includes electrical connectors that mate with corresponding electrical connectors of the lighting sticks. The light fixture base is configured to secure and pass electrical power to a self-ballasted fluorescent lighting stick. The light fixture base includes an electrical end section, a securing end section, and a middle section. The self-ballasted fluorescent lighting stick is configured to secure and pass electrical power to a fluorescent bulb. The fluorescent lighting stick includes a ballast circuit, electrical wiring, an electrical connector, and a frame.02-04-2010
20100020531BACK LIGHTING UNIT HAVING PHOSPHOR FILM STRUCTURE - A back lighting unit is disclosed in which lower and upper surfaces of a light transmitting plate function as incident and exit surfaces of light, respectively, and a phosphor film structure for wavelength-converting the light is provided at a position which the light is incident on or exits from. The disclosed back lighting unit includes a light emitting means including a light emitting diode disposed to emit light upwards; a light transmitting plate disposed over the light emitting diode, the light transmitting plate having a lower surface allowing light to be incident thereon and an upper surface allowing light to exit therefrom; and a phosphor film structure including a particulate phosphor and formed on at least one of the lower and upper surfaces of the light transmitting plate.01-28-2010
20100020530Safety marker indicator device and manufacturing methods - The present invention relates generally to a safety device and more particularly to a safety marker indicator device for architectural structures, specifically a door marker indicator device for doors or door components, and improved manufacturing thereof. The improved door marker indicator device includes a photoluminescent light emission element and is manufactured by extrusion, co-extrusion, injection molding, or two-shot molding. The present invention allows door marker indicator devices to be quickly and easily installed on doors and door components.01-28-2010
20110216523NON-UNIFORM DIFFUSER TO SCATTER LIGHT INTO UNIFORM EMISSION PATTERN - A lighting device comprising a light source and a diffuser spaced from the light source. The lighting device further comprises a wavelength conversion material disposed between the light source and the diffuser and spaced from the light source and the diffuser, wherein the diffuser is shaped such that there are different distances between the diffuser and said conversion material at different emission angles. In other embodiments the diffuser includes areas with different diffusing characteristics. Some lamps are arranged to meet A19 and Energy Star lighting standards.09-08-2011
20110216522Efficient LED-Based Illumination Module With High Color Rendering Index - An illumination module includes a light mixing cavity with an interior surface area and window that are physically separated from an LED. A portion of the window is coated with a first wavelength converting material and a portion of the interior surface area is coated with a second wavelength converting material. The window may be coated with LuAG:Ce. The window may also be coated with a third wavelength converting material with a peak emission wavelength between 615-655 nm where the spectral response of light emitted from the window is within 20% of a blackbody radiator at the same CCT. The LED may emit a light that is converted by the light mixing cavity with a color conversion efficiency ratio greater than 130 lm/W where the light mixing cavity includes two photo-luminescent materials with a peak emission wavelengths between 508-528 nm and 615-655 nm.09-08-2011
20120147589System for Providing a Directional LED Array - System for providing a directional LED array. In an aspect, a directional LED array is provided that includes a plurality of LEDs and a plurality of cups coupled to the plurality of LEDs and configured to direct light emitted from the plurality of LEDs into a resulting array beam pattern, wherein each cup directs light from one or more LEDs to form the resulting array beam pattern. In another aspect, a lighting device is provided that includes a lighting fixture and a cup array coupled to the lighting fixture. The cup array includes a plurality of LEDs and a plurality of cups coupled to the plurality of LEDs and configured to direct light emitted from the plurality of LEDs into a resulting array beam pattern, wherein each cup directs light from one or more LEDs to form the resulting array beam pattern.06-14-2012
20120147591LIGHTING DEVICE - A lighting device can include an LED and a plate-like lens body including a narrow side surface configured as an elongated rectangular light exiting surface. The LED can face towards the lens body so that light emitted in a wide angle direction is directed to the front surface and the rear surface in the thickness direction and so that light in a narrow angle direction can impinge on the second side surface of the lens body to enter the lens body. The lens body can include a first optical system having a lens portion, a first light incident surface, a first total reflection surface, and a second total reflection surface. A second optical system can include a second light incident surface, a third total reflection surface, and a fourth total reflection surface. An air layer can be provided between the lens portion and the first light incident surface.06-14-2012
20120147587NANOWIRE ARRAYS - Described herein is a nanowire array, comprising a substrate, a plurality of fluorescent nanowires extending essentially perpendicularly from the substrate and a reflective layer disposed on the substrate in areas between the fluorescent nanowires; wherein the fluorescent nanowires are operable to fluoresce at a wavelength of a collective mode of the nanowire array.06-14-2012
20120147585Telescopic Light Pole System - A telescopic light pole system includes a handle assembly having a tubular grab handle with at least one handle insert composed of a photoluminescent material mounted thereon. At least one mounting bracket mounts the handle assembly to a vehicle. A tubular extension member extends through the grab handle bore. A clamp collar assembly mounted to the handle assembly selectively locks the extension member to the handle assembly. A light fixture mounting member affixed to a first end of the extension member is adapted to mount a light fixture to the extension member. A power line receptacle is affixed to the second end of the extension member.06-14-2012
20130194776METHOD AND DEVICE FOR ENHANCING SENSOR INDICATION - Devices and methods for providing sensor indication and enhancing sensor indication are disclosed. In one embodiment, a sensor indication is provided by sensing an operational status at a sensor circuit, generating a signal at the sensor circuit based on the sensed operational status, utilizing the signal to activate a light source, transmitting light into a first indicator layer with the light source, wherein the first indicator layer includes a fluorophore embedded within a substrate, and wherein the one or more fluorophores modify at least one characteristic of the transmitted light from the light source, and emitting the modified transmitted light from an end wall of the first indicator layer.08-01-2013
20100067214ILLUMINATION SYSTEM AND DISPLAY DEVICE - The invention relates to an illumination system, a luminaire and a display-device (03-18-2010
20110051395SIGNAGE - This invention concerns a media display sign (03-03-2011
20110051394WARM WHITE LIGHTING DEVICE - The present invention relates to warm white light engines including combinations of blue, cyan, and red, red-orange, or amber emitters and one or more phosphors that produce a white light pleasing to the human eye through the use of improved color uniformity and improved collimation of light. Specifically, a micro-lenslet array having an optimized surface is used to disperse light from the light emitter; an innercollimation lens having an optimized cross-sectional shape and micro-ridges is used to disperse light; a TIR reflector having an optimized cross-sectional shape and micro-ridges is used to disperse and redistribute phase as well as provide collimation; and a final micro-lenslet layer includes optimized lenslet design placement and randomization factor to homogenize light to produce a uniform warm white light.03-03-2011
20100284166METHOD FOR FABRICATION OF THIN FILM PHOSPHOR, THIN FILM PHOSPHOR, AND PHOSPHOR PROUCT USING THE SAME - Disclosed are a method for fabrication of a thin film phosphor, a thin film phosphor and a product using the same. The thin film phosphor is fabricated by adsorbing a raw material to a surface of a substrate simultaneously with diffusing the same or, otherwise, depositing the raw material on the substrate and heating the same, so as to diffuse the raw material from the surface of the substrate into the substrate wherein the substrate contains at least one selected from constitutional elements of the phosphor. The fabricated thin film phosphor has a constitutional composition continuously varied to gradually come close to a constitutional composition of the substrate when the constitutional elements of the phosphor are diffused from a surface to an inner side of the substrate. In particular, if the substrate material, the raw material and the phosphor layer material have the same or similar structure, and when the phosphor layer material has an anisotropic texture structure, light luminance is maximized while a decay time is minimized. According to this disclosure, different thin film phosphors with improved luminance comparable to that of a powder phosphor may be fabricated. Compared to such powder phosphor, the thin film phosphor fabricated as described above is thermally and chemically stable and does not exhibit an interference pattern or light reflection between the thin film phosphor and the substrate so as to have excellent light transmission, thereby being applicable to large-scale display devices.11-11-2010
20090273918Remote-phosphor led downlight - An embodiment of a collimating downlight has front-mounted blue LED chips facing upwards, having a heat sink on the back of the LED chips exposed in ambient air. The LED chips are mounted in a collimator that sends their blue light to a remote phosphor situated near the top of the downlight can. Surrounding the remote phosphor is a downward-facing reflector that forms a beam from its stimulated emission and reflected blue light. The phosphor thickness and composition can be adjusted to give a desired color temperature.11-05-2009
20090310332PI-CONJUGATED HEAVY-METAL POLYMERS FOR ORGANIC WHITE-LIGHT-EMITTING DIODES - A polymer mixture emits a broad spectrum of visible light that appears white or near-white in the aggregate. The polymer mixture comprises two (or more) components in the active layer. A heavy atom, such as platinum and/or iridium, present in the backbone of the mixture acts via a spin-orbit coupling mechanism to cause the ratio of fluorescent to phosphorescent light emission bands to be of approximately equal strength. These two broad emissions overlap. resulting in an emission spectrum that appears to the eye to be white.12-17-2009
20120147586LED MODULE AND LAMP HAVING THE SAME - The present invention relates a LED module and a lamp having the same. The LED module includes a substrate, a reflector, a transparent shroud and a fluorescent gel layer. The substrate has an accommodating portion in which at least one LED chip is received. The reflector is provided on the substrate and has an accommodating space in which a first gel is received. The transparent shroud is connected to the reflector to seal the first gel. The fluorescent gel layer is provided between the transparent shroud and the first gel. With this structure, light spot and color temperature of the emitted light become more uniform, and the light-emitting efficiency thereof is improved greatly.06-14-2012
20120307480LIGHT EMITTING DIODE MODULE AND LIGHTING APPARATUS USING THE SAME - A light emitting diode (LED) module and a lighting apparatus using the same are disclosed. The LED module includes a circuit board to which at least one LED emitting light of a first wavelength range is mounted, a first wavelength conversion plate to convert the light of the first wavelength range, generated from the at least one LED, to light of a second wavelength range, and a plate control module connected with the first wavelength conversion plate by a first region to selectively dispose the first wavelength conversion plate on the at least one LED by rotatably moving the first wavelength conversion plate.12-06-2012
20110116252LIGHT-EMITTING DEVICE AND METHOD FOR PRODUCING THE SAME - The light-emitting device of the present invention includes LED chips provided on a ceramic substrate and a sealing material in which the LED chips are embedded. The sealing material contains a fluorescent substance and divided into a first fluorescent-substance-containing resin layer and a second fluorescent-substance-containing resin layer by a first resin ring and a second resin ring.05-19-2011
20120069547ILLUMINATION DEVICE WITH AN ENVELOPE ENCLOSING A LIGHT SOURCE - The invention provides an illumination device comprising an envelope enclosing a light source, preferably a LED, and a luminescent material. The envelope comprises a transmissive part, and a reflective part, wherein the reflective part comprises a reflective ceramic material. The ceramic material can be used for heat dissipation.03-22-2012
20120069546LIGHT SCATTERING AND CONVERSION PLATE FOR LEDS - The invention relates to an illumination system having a light scattering and conversion plate comprising a non-converting but scattering layer and a thinner converting layer. By separating scattering and conversion, the characteristics of the illumination system can greatly be increased.03-22-2012
20110149550Alpha-sialon phosphor - The present invention relates to a novel alpha-sialon phosphor that is characterized in that it contains a metal M2 together with Mn as a dopant. M2 is particularly Eu and/or Yb.06-23-2011
20110305000DISPLAY SCREEN WITH LOW-INDEX REGION SURROUNDING PHOSPORS - A display screen having phosphor regions maximizes light leaving the phosphor regions using a gaseous, liquid or solid matter that is disposed between the light-producing phosphor regions and a divider member configured to separate the light-producing phosphor regions. The gaseous, liquid or solid matter may be air, a polymer, a gel, or other material that optically separates and has an index of refraction substantially less than the indices of refraction of the divider member and the light-producing phosphor regions.12-15-2011
20110305001LED Lighting Systems Including Luminescent Layers On Remote Reflectors - A lighting system may include a substrate and a light emitting device (LED) on the substrate, and the light emitting device may be configured to transmit light having a first wavelength along a path away from the substrate. A remote reflector may be spaced apart from the light emitting device, and the light emitting device may be between the substrate and the remote reflector. The remote reflector may also be in the path of the light having the first wavelength transmitted by light emitting device. A luminescent layer may be on a surface of the remote reflector, and the luminescent layer may be configured to convert a portion of the light having the first wavelength to light having a second wavelength different than the first wavelength. Moreover, the remote reflector may be configured to reflect light having the first and second wavelengths.12-15-2011
20100277890DISPLAY SCREEN COMPRISING PHOTOLUMINESCENT MATERIAL - Embodiments are disclosed herein related to the use of photoluminescent material to improve the presentation of images being displayed by a user interface device. For example, one embodiment provides a user interface device including a cuplet microstructure sheet that includes a plurality of cuplets. Each cuplet forms a light input opening and a light output opening. The light output opening has a diameter that is larger than a diameter of the light input opening. The user interface device further includes a photoluminescent material that at least partially fills one or more cuplets of the plurality of cuplets. The user interface device further includes a light source configured to generate light that is directed to one or more selected cuplets of the plurality of cuplets.11-04-2010
20110044022SYSTEM AND METHOD FOR A PHOSPHOR COATED LENS - Embodiments disclosed herein provide optical systems utilizing photon conversion materials in conjunction with a light source and an LED. An LED can be positioned in a cavity defined by a base and one or more sidewalls. Phosphors can be disposed on the entrance face of a lens between the entrance face to the lens body and the LED so that light emitted from the LED will be incident on the phosphor and down converted before entering the lens body through the entrance face. The lens can positioned so that the phosphors are separated from the LED by a gap.02-24-2011
20110305002ILLUMINATION ASSEMBLY INCLUDING WAVELENGTH CONVERTING MATERIAL HAVING SPATIALLY VARYING DENSITY - Illumination assemblies, components, and related methods are described. An illumination assembly can include at least one solid state light-emitting device, an emission surface through which light is emitted, and a wavelength converting material that wavelength converts at least some light emitted by the solid state light-emitting device. The wavelength converting material can have a first density per unit area of the emission surface at a first location and a second density per unit area of the emission surface at a second location, wherein the second density is substantially different from the first density, and wherein the density per unit area is defined with a 12-15-2011
20090052158Light Source Including Reflective Wavelength-Converting Layer - A light source configured to emit first light is combined with a wavelength-converting layer. The wavelength-converting layer is disposed in a path of first light, is spaced apart from the light source, and includes at least one wavelength-converting material such as a phosphor configured to absorb first light and emit second light. The wavelength-converting layer is disposed between a reflective layer and the light source. In some embodiments, the wavelength-converting layer is a thick layer.02-26-2009
20090135581Led Lamp - An LED lamp 05-28-2009
20100053932FLUORESCENT SUBSTANCE AND PRODUCTION METHOD THEREOF, AND LIGHT EMITTING DEVICE - Offered is a fluorescent substance consisting of Eu-activated β-sialon and capable of enhancing the brightness of a light emitting device such as a white LED using blue or ultraviolet light as a light source. The fluorescent substance has as its main constituent a β-sialon represented by the general formula Si03-04-2010
20120147588OMNIDIRECTIONAL LED MODULE - An omnidirectional LED module includes a LED package unit having a LED chip mounted in the base member thereof and a package compound molded on the base member over the LED chip for letting the light emitted by the LED chip be projected toward the outside in a diffusion angle, and a reflector that includes a light mask kept spaced from the package compound at a predetermined distance and carrying a phosphor layer that is disposed in the LED projection light path of the LED package unit and covering all the light rays emitted by the LED chip for diffusing and reflecting the light rays emitted by the LED chip and causing change of the color temperature (wavelength) of the light rays.06-14-2012
20100238646LUMINESCENT GLASS - The present invention provides a process for producing a luminescent glass, comprising the steps of adsorbing, to a porous high silica glass, at least one metal component selected from the group consisting of elements of Groups IIIA, IVA, VA, VIA, VIIA, VIII, IB, IIB and IVB of the Periodic Table; and thereafter heating the porous glass in a reducing atmosphere.09-23-2010
20120039067LIGHTING DEVICE - Disclosed is a lighting device that comprises a first body having a first sloping surface toward a reflector; a second body having a second sloping surface toward the reflector; a middle body having an insertion groove formed respectively on both sides of the lower part of the middle body, and allowing the first body and the second body to be coupled to both sides of the middle body by inserting a first hinge and a second hinge into the insertion groove, respectively; and a main light emitting device module disposed on a first sloping surface and a second sloping surface respectively, wherein the first sloping surface and the second sloping surface face outward with respect to the middle body.02-16-2012
20120039066RADIATION REFLECTION PLATE FOR LED - A radiation reflection plate for use in LEDs is a reflection plate including an aluminum alloy layer with a depth of at least 10 μm and an anodized film formed at a surface thereof. Pore portions of the anodized film have at least two layers of different refractive indices in a depth direction, and light reflection is enhanced in the anodized film. The radiation reflection plate has high heat dissipation properties and is capable of increasing the reflectance of light at desired specific wavelengths.02-16-2012
20120039064LIGHT-EMITTING DEVICE - A light-emitting device includes a circuit board to which external electric power is supplied; a light emitting diode that is electrically connected onto the circuit board and emits light based on electric power from the circuit board; a housing provided on the circuit board so as to surround the light emitting diode and so that the upper end portion of the housing is positioned above the upper end portion of the light emitting diode; an adhesive layer that is provided on the housing, the adhesive layer being provided entirely in the circumferential direction of the housing, and the adhesive layer having a length from the inner circumferential edge to the outer circumferential edge of mainly 0.3 mm or more and a thickness of 200 μm or less; and a phosphor ceramic that is allowed to adhere onto the housing with the adhesive layer interposed therebetween.02-16-2012
20130010454ILLUMINATING DEVICE - An illuminating device has a light source that includes a plurality of light emitting devices and a phosphor; and a lens sheet that stays on an optical axis of the light source, the lens sheet having a plurality of prisms that is symmetrically arranged with respect to the optical axis of the light source. The plurality of prisms is configured at least on a surface of the lens sheet in which to face the light source, and a plurality of light scattering elements is configured at least on a surface of the lens sheet in which not to face the light source.01-10-2013
20120206901LED LIGHTING DEVICE INCLUDING MODULE WHICH IS CHANGEABLE ACCORDING TO POWER CONSUMPTION AND HAVING IMPROVED HEAT RADIATION AND WATERPROOF - A LED lighting device includes a light source module including a plurality of light emitting device, at least one heat radiating member including the at least one light source module disposed therein, a side frame which is coupled to both sides of the heat radiating member respectively, and a support frame which is coupled to one side of the side frame and supports the side frame.08-16-2012
20110317398LUMINOUS DEVICE AND METHOD FOR OPERATING A LUMINOUS DEVICE - Various embodiments provide a luminous device, including at least one semiconductor light source and at least one light-transmissive converter element including a wavelength-converting phosphor sensitive to the light emitted by the semiconductor light source, wherein the semiconductor light source can be at least partly covered by the converter element, and the converter element is movable such that a proportion of a light wavelength-converted by means of the converter element is adjustable depending on a position of the converter element.12-29-2011
20110317397Quantum dot wavelength conversion for hermetically sealed optical devices - An LED based lighting source is disclosed in which color correcting quantum dots convert emitted blue light to white light.12-29-2011
20110317396PHOSPHOR WHEEL CONFIGURATION FOR HIGH INTENSITY POINT SOURCE - A phosphor point source element comprises a substrate and light emitting phosphor particles arranged on the substrate to provide a circular operational track having a tightly packed particle arrangement adjacent to a flat operational surface of an operational track region. The operational track region is rotated while illuminated at a point to provide a high intensity point source. The tightly packed particle arrangement may be achieved by spinning the phosphor particles in a cavity to compress the phosphor on the substrate at the periphery of the cavity, or by other mechanical compression. The tightly packed phosphor arrangement may either be compressed against a forming element that bounds the cavity, or machined, to provide a flat operational surface. An adhesive binding agent that permeates the phosphor particles may be cured to fix the tightly packed arrangement. A window element may support and/or protect the operational surface, in some embodiments.12-29-2011
20120002396LED-BASED ILLUMINATION MODULES WITH PTFE COLOR CONVERTING SURFACES - An illumination module includes a plurality of Light Emitting Diodes (LEDs) and a light conversion sub-assembly mounted near but physically separated from the LEDs. The light conversion sub-assembly includes at least a portion that is a polytetrafluoroethylene (PTFE) material that also includes a wavelength converting material. Despite being less reflective than other materials that may be used in the light conversion sub-assembly, the PTFE material unexpectedly produces an increase in luminous output, compared to other more reflective materials, when the PTFE material includes a wavelength converting material.01-05-2012
20090002976Light-Emitting Device - A light-emitting device for emitting light having a desired color point, comprising at least one solid-state light source (01-01-2009
20120008304LIGHT EMITTING APPARATUS - A light emitting apparatus including a circuit board (01-12-2012
20120014088COMPONENT FOR LIGHT-EMITTING DEVICE, LIGHT-EMITTING DEVICE AND PRODUCING METHOD THEREOF - A component for a light-emitting device includes a fluorescent layer capable of emitting fluorescent light, and a lens connected onto the fluorescent layer.01-19-2012
20120008306LIGHT EMITTING MODULE AND LAMP UNIT - In a light emitting module 01-12-2012
20090310333ELECTRON EMISSION DEVICE, ELECTRON EMISSION TYPE BACKLIGHT UNIT INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE ELECTRON EMISSION DEVICE - An electron emission device includes a base substrate and first electrodes formed on the base substrate in one direction. Second electrodes are formed on the base substrate in the one direction and spaced apart from the first electrodes by a predetermined interval and parallel to each other. First electron emission layers are formed on the first electrodes. Second electron emission layers are formed on the second electrodes. The interval between adjacent first and second electrodes is substantially equal to an interval between adjacent first and second electron emission layers.12-17-2009
20120057327SOLID STATE LAMP AND BULB - Solid state lamps and bulbs comprising different combinations and arrangements of a light source, one or more wavelength conversion materials, regions or layers which are positioned separately or remotely with respect to the light source, and a separate diffuser. These are arranged on a heat sink in a manner that allows for the fabrication of lamps and bulbs that are efficient, reliable and cost effective and can provide an essentially omni-directional emission pattern, even with a light source comprised of a co-planar arrangement of LEDs. Additionally, this arrangement allows aesthetic masking or concealment of the appearance of the conversion regions or layers when the lamp is not illuminated. Various embodiments of the invention may be used to address many of the difficulties associated with utilizing efficient solid state light sources such as LEDs in the fabrication of lamps or bulbs suitable for direct replacement of traditional incandescent bulbs. Embodiments of the invention can be arranged to fit recognized standard size profiles such as those ascribed to commonly used lamps such as incandescent light bulbs, while still providing emission patterns that comply with ENERGY STAR® standards.03-08-2012
20120057326Backlight Module and Optical Component Thereof - The present invention provides a backlight module and an optical component thereof. The optical component comprises a substrate, a fluorescent layer, and a microstructure. The substrate has a first surface and a second surface. The fluorescent layer is applied on the first surface of the substrate, and the microstructure is formed on the second surface of the substrate. The fluorescent layer and the microstructure are set on two side of the substrate, respectively, so that at least one incident beam is optically refracted or scattered by the microstructure to uniformly penetrate through the microstructure and the substrate. Thus, a blue backlight which penetrate through the fluorescent layer and a yellow backlight which is excited from the fluorescent layer are mixed for ensuring the backlight module to provide a white backlight with uniform brightness and high brilliance.03-08-2012
20120014087SIMPLE DETACHABLE ILLUMINATION STRUCTURE AND LAMP TUBE - A simple detachable illumination lamp tube includes a tube unit, a heat-dissipating unit, a light-emitting unit, a support unit and a lateral cover unit. The tube unit has a light-permitting hollow tube. The heat-dissipating unit has a heat-dissipating substrate received in the light-permitting hollow tube. The heat-dissipating substrate has two opposite lateral sides contacting the inner surface of the light-permitting hollow tube. The light-emitting unit has a plurality of strip light-emitting modules received in the light-permitting hollow tube. The strip light-emitting modules are disposed on the heat-dissipating substrate and electrically connected in sequence. The support unit has a plurality of support elements received in the light-permitting hollow tube and disposed between a bottom side of the heat-dissipating substrate and the inner surface of the light-permitting hollow tube. The lateral cover unit has two lateral covers installed on two ends of the light-permitting hollow tube.01-19-2012
20120014089LIGHTING FIXTURE USING SEMICONDUCTOR COUPLED WITH A REFLECTOR HAVING A REFLECTIVE SURFACE WITH A PHOSPHOR MATERIAL - To improve semiconductor-based systems for generating white light, a phosphor is integrated with an external structure, such as a reflector. A disclosed exemplary system, for illumination applications, utilizes one or more semiconductor devices for emitting radiant energy of a first wavelength. A reflector outside the package of the LED or other semiconductor device has a reflective surface arranged to receive radiant energy from the energy source. At least some of the received radiant energy of the first wavelength excites one or more phosphors associated with an external light processing element, for example, located along the surface of the reflector, to emit light, including visible light energy of at least one second wavelength different from the first wavelength. In the examples, at least some of visible light emitted by the phosphor is reflected by the reflective surface of the reflector and directed to facilitate the particular humanly perceptible luminance or illumination application.01-19-2012
20100321918Clip-on Lampshade Adaptor for Enhanced Gripping of both Standard Incandescent and Compact Fluorescent Light Bulbs - A retro-fit light-bulb clip adaptor kit and method of use thereof are disclosed that increase the frictional gripping strength of a conventional light-bulb clip, thereby allowing a clip-on lampshade or a clip-on lampshade adaptor to be more securely attached to either a traditional light bulb or a compact fluorescent “CFL” light bulb. The kit includes at least one length of longitudinally split tubing made from a heat-resistant, elastic material. The tubing is split open and applied to the bulb-gripping wires so as to completely cover the gripping loops, and thereby provide a surface with enhanced static friction. The elastic material thereafter provides increased static friction so as to enhance the loop's ability to grip either a standard bulb or a CFL bulb. The tubing is preferably made from either PVC, latex, silicone, heat resistant rubber, a heat resistant engineering polymer, polyalkylene-terephthalate, isophthalate, or copolyesters, but most preferably silicone.12-23-2010
20120155059LIGHT SOURCE COMPRISING A LIGHT EMITTER ARRANGED INSIDE A TRANSLUCENT OUTER ENVELOPE - The invention relates to a light source (06-21-2012
20120063118BARREL GRINDING OF LUMIRAMIC PLATELETS - The invention relates to a method for post-processing luminescent ceramic bodies (03-15-2012
20120026721LAMP FOR LASER APPLICATIONS - The invention relates to a lamp and a method, preferably adapted for generating high power in laser applications. The lamp (02-02-2012
20120026720OPTICAL SHEET AND LIGHT EMITTING DEVICE PACKAGE HAVING THE SAME - A light emitting device package is disclosed. The light emitting device package includes a body having a cavity, a light source mounted in the cavity, and at least one optical sheet located on the body to cover the cavity. The optical sheet includes a first layer and a second layer formed on the first layer, wherein the second layer includes a plurality of linear prism parts. At least one of the first layer and the second layer contains a light diffusive member. The light emitting device package has enhanced light emission efficiency and light distribution uniformity.02-02-2012
20120026719PHOTOLUMINESCENT MATERIAL CONTAINING SILVER ION - The present invention provides a silver ion-containing faujasite type zeolite which is a photoluminescent material that emits a visible light by irradiation of ultraviolet ray.02-02-2012
20120063117LIGHT SOURCE APPARATUS - Provided is a light source apparatus having a phosphor layer 03-15-2012
20120281388LED light source and manufacturing method thereof - A LED light source includes one or more LED light source arrangements, wherein each of the LED light source arrangements includes a LED member having a first light emitting surface and an opposed second light emitting surface, and two fluorescent members on top of the first and second light emitting surfaces of the LED member respectively to retain the LED member in position such that the illumination generated from the LED member is capable of passing through the two fluorescent members from the two light emitting surfaces respectively. The LED light source arrangement provides illumination at an angle greater than 180° and direct effective heat dissipation at all sides of the LED member.11-08-2012
20090135582ELECTRO-LUMINESCENT AREA ILLUMINATION DEVICE - An electro-luminescent area illumination device that includes two or more area emitters formed on a substrate. Each of the two or more area emitters emit light having different area illumination profiles.05-28-2009
20120155060Quantum Dot Modulation For Displays - Modulated light sources are described. A modulated light source may have first light sources that are configured to emit first light, which has first color components that occupy a range that is beyond one or more prescribed ranges of light wavelengths. The modulated light source may also have a light converter that is configured to be illuminated by the first light. The light converter converts the first light into second light. The second light has one or more second color components that are within the one or more prescribed ranges of light wavelengths. Strengths of the one or more second color components in the second light are monitored and regulated to produce a particular point within a specific color gamut.06-21-2012
20120300429LED LAMP - Exemplary embodiments of the present invention relate to an LED lamp including a substrate, a first LED, a second LED, a heat sink, and a transparent cover. The first LED is arranged on a first surface of the substrate. The second LED is arranged on a second surface of the substrate, the second surface being an opposite side of the substrate from the first surface. The heat sink has a mounting surface on which the substrate is arranged. The heat sink also has a reflection surface. The transparent cover covers the substrate, the first LED, and the second LED.11-29-2012
20120155061LED MODULE, LED LAMP, AND ILLUMINATING APPARATUS - To constrain reductions in luminous efficacy while enhancing the color rendition index, the LED module includes a blue LED, at least one variety of phosphor particles excited by the outgoing light from the blue LED, and neodymium glass particles that include neodymium ions absorbing the outgoing light from the phosphor particles in a predetermined wavelength band.06-21-2012
20100188836Illuminating device - An illuminating device comprises a base, a light source and at least one first layer, wherein said light source is assembled on said base to emit a first color temperature light, while first layer is located on the base along the first light irradiation path. The first light is passed through the first layer to react with said first layer to form a second color temperature light for emission, wherein said first color temperature is ranged from 2800K to 20000K, while excitation wavelength range of said first layer is mainly beyond the wavelength of ultraviolet lights for further adjusting the second color temperature range.07-29-2010
20110090671ILLUMINATION DEVICE - An illumination device may include a hollow body having at least one light emission opening, wherein the hollow body has at least partly a reflective surface at its inner side, and at least one semiconductor luminous element, wherein a predominant portion of the light emitted by the semiconductor luminous element is incident on the inner side of the hollow body and is reflected from there through the light emission opening. The device may furthermore include a covering for the light emission opening with a grid-type arrangement of light transmission openings, wherein the at least one semiconductor luminous element is fixed to the covering and is directed at the inner side of the hollow body, and wherein a side area of the covering that surrounds the light transmission openings is at least partly reflectively coated.04-21-2011
20110090670OPTICAL FILM AND LIGHT EMITTING DEVICE USING THE SAME - Disclosed is an optical film. The optical film includes: 04-21-2011
20110090669LED LIGHTING DEVICE AND LIGHT SOURCE MODULE FOR THE SAME - An LED lighting device includes a supporting stage, a light source module, a heat dissipating module and a sleeve. The light source module is arranged on one side of the supporting stage and includes a plurality of white LEDs, a plurality of red LEDs, and a plurality of green LEDs. The heat dissipating module includes a plurality of heat-dissipating fins and a plurality of heat pipes passing through the heat-dissipating fins. The sleeve encloses the heat dissipating module. The LED lighting device mixes the lights from those LEDs to provide a light source with lower color temperature and higher color rendering index.04-21-2011
20110090668Light pen - First and second magnets of a light pen according to the present invention are used for replacing a conventional spring to be a switch structure of the light pen. Whereby, the elastic fatigue problem is not yielded, the switch structure is enabled to be more durable and dependable and can be used as a switch structure for a light pen whose stroke between two electric contact points from a separation state to a contact state is shorter.04-21-2011
20090021926Wavelength converting system - An embodiment of the invention discloses a wavelength converting system capable of emitting a second electromagnetic radiation having a second wavelength in response to a first electromagnetic radiation having a first wavelength, wherein an energy level of the first electromagnetic radiation is higher than that of the second electromagnetic level, and a positive correlation is between the first wavelength and the second wavelength.01-22-2009
20110103038WHITE LED DEVICE - An improved white LED device comprises at least one first LED component, at least one second LED component, and at least one translucent member. The first LED component emits a blue light having a peak wavelength of 440-470 nm; the second LED component emits a red light having the peak wavelength of 600-630 nm; and the translucent member contains at least one fluorescent substance scattered throughout the translucent member. The fluorescent substance is able to absorb some of the blue light, and emits yellow green light having the peak wavelength of 500-570 nm, wherein when the blue light and yellow green light are mixed, the CIE 1931 chromaticity diagram is represented by a polygon with color coordinates (0.20,0.50), (0.20,0.30), (0.29,0.30), and (0.40,0.50), furthermore, after mixing the red light, the blue light, and the yellow green light, the improved white LED device emits a white light with high color rendering, and a color temperature of the white light ranges between 2500-7000 K.05-05-2011
20100172122SOLID STATE LIGHTING USING NANOPHOSPHOR BEARING MATERIAL THAT IS COLOR-NEUTRAL WHEN NOT EXCITED BY A SOLID STATE SOURCE - An element for a solid state lighting device, such as a lamp or light fixture, includes one or more semiconductor nanophosphors dispersed in a light transmissive material in the element. The material is of a type and the nanophosphor(s) are dispersed therein in such a manner that the material bearing the semiconductor nanophosphor(s) is at least substantially color-neutral to the human observer, when the solid state lighting device is off. In some examples, the material appears relatively clear or transparent when the device is off. In other examples, the material appears translucent, e.g. white, when the device is off. When such an element is used to remotely deploy the nanophosphor, the nanophosphor is not readily perceptible to a person viewing the device when off. If a bubble is formed inside the container with a liquid type phosphor bearing material, the bubble may be configured to essentially disappear when the light transmissive liquid material reaches a nominal operating temperature.07-08-2010
20100172120COLOR-TUNABLE ILLUMINATION SYSTEM - The invention relates to a color-tunable illumination system (07-08-2010
20120162965LIGHT BULB SHAPED LAMP - A light bulb shaped lamp according to the present invention includes a translucent base board, an LED chip mounted on the base board, a base for receiving power from outside, at least two power-supply leads for supplying power to the LED chip, and a globe partially attached to the base for housing the base board, the LED chip, and the power-supply leads. Each of the two power-supply leads extends from a side of the base toward inside of the globe and connected to the base board, and the LED chip is provided between a portion at which one of the two power-supply leads and the base board are connected and a portion at which the other of the two power-supply leads and the base board are connected.06-28-2012
20120162964LIGHTING DEVICE WITH OFF-STATE WHITE APPEARANCE - A lighting device (06-28-2012
20120162962HIGH INTENSITY POINT SOURCE SYSTEM FOR HIGH SPECTRAL STABILITY - A system and method are provided for utilizing section contribution characteristic data to achieve accurate measurements by compensating for unwanted phosphor output variations that occur at specific sections of phosphor on a rotating high intensity phosphor point source element. Phosphor grain size, density, blend homogeneity, or illumination gap variations may cause the unwanted variations. Based on the section contribution characteristics, excitation energy compensation may provide a stable output illumination spectrum or computational compensation may correct measurements for effects arising from predictable output illumination spectrum variations. The section contribution characteristic data may comprise section wavelength intensity profile data and/or section efficiency data, in various embodiments. In some embodiments, the sections may be on the order of the size of the phosphor grains and may be characterized and compensated. The sections may include phosphor blends, or distinct phosphor types, in various embodiments.06-28-2012
20100246159LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - A light emitting device, includes: a casing; a window; a semiconductor laser provided in an enclosed space formed by the casing and the window; and a fluorescent material in a form of any one of a crystal and glass, the fluorescent material being provided in the enclosed space, the fluorescent material absorbing laser light emitted from the semiconductor laser and emitting secondary light having a wavelength different from a wavelength of the laser light, and the secondary light being taken out through the window.09-30-2010
20120314398Laser package having multiple emitters with color wheel - Method and devices for emitting electromagnetic radiation at high power using nonpolar or semipolar gallium containing substrates such as GaN, AlN, InN, InGaN, AlGaN, and AlInGaN, are provided. The laser devices include multiple laser emitters integrated onto a substrate (in a module), which emit green or blue laser radiation.12-13-2012
20120127692LAMP HOLDER HAS BUILT-IN NIGHT LIGHT - The lamp holder has build-in night light where the said lamp holder including (1) the lamp holder for light device manufacture use for production line or (2) the lamp holder which are purchased by people to add top of the existing lamp holder. Simple words (1) is for Original Equipment Manufacture (OEM) and (2) is for all consumer purchase from stores to add on their existing owned lighting device's lamp holder. The light source for said nigh light has features for wide and variety color choice, brightness choice, humility resistance, none-noisy, none-high frequency, none-foldable, none-flexible and incorporate with circuit means, IC means, control means, switch means, sensor means, trigger means, remote control means to turn on and turn on under pre-determined timing, time delay, period of time for desired function(s).05-24-2012
20120127694OPTICAL SYSTEM FOR A LIGHT EMITTING DIODE WITH COLLECTION, CONDUCTION, PHOSPHOR DIRECTING, AND OUTPUT MEANS - An optical system with an LED light source utilizes a base with an inverted conical shape to conduct light to a phosphor layer. The phosphor layer emits light from both upper and lower surfaces. The base and a substantially mirror image cap element facilitate efficient extraction of the phosphor-generated light from the optical system so that the output of the system is omni-directional light suitable for common lighting applications. The system is very efficient in that nearly all the light generated by the LED is transmitted to the phosphor layer, and nearly all the light emitted from the phosphor layer is output from the system.05-24-2012
20120127693LIGHT-PERMEATING COVER BOARD, METHOD OF FABRICATING THE SAME, AND PACKAGE HAVING THE SAME - A light-permeating cover board structure includes a first light-permeating board having a light-permeating substrate and a frame formed on the light-permeating substrate, wherein a first recess portion is defined by the frame and the light-permeating substrate; a first fluorescent material filled in the first recess portion; and a second light-permeating board disposed on the first light-permeating board and covering the first fluorescent material in the first recess portion. Therefore, the first light-permeating board and the second light-permeating board prevent the first fluorescent material from contacting moisture.05-24-2012
20090141474LED-BASED CHANGEABLE COLOR LIGHT LAMP - Systems and methods are described that facilitate providing a user with interchangeable phosphor-coated shells, or envelopes, for generate different shades and intensities of white light from a single UV light source. The interchangeability of the low-cost phosphor-coated envelopes permits the use of a single light engine, which is the more expensive component of a solid state lamp. In this manner, consumers are provided with a greater number of lighting choices at low cost than can be achieved using conventional single-envelope lamps.06-04-2009
20110182056Quantum Dot Wavelength Conversion for Optical Devices Using Nonpolar or Semipolar Gallium Containing Materials - Techniques are described for transmitting electromagnetic radiation from LED devices fabricated on bulk semipolar or nonpolar materials with use of phosphors to emit light in a reflection mode.07-28-2011
20110182053Omni-directional and multi-directional light-emitting diode (LED) lamp designs with multiple discrete LEDs on multiple facets - An LED lamp design concept with LEDs on multiple facets of a solid to produce substantially omni-directional light or multi-directional light is disclosed. Currently, conventional LEDs produce beams confined in a narrow region because they are single-sided planar sources, unlike point-sources. An LED chip is planar because it is very thin and rectangular and has a height that is substantially smaller than its width and length—similar to a thin sheet of paper where light only comes from one side while the other is blocked. Today's common LEDs emit light from a tiny, thin rectangular region placed on a much larger substrate and light is emitted from top surface only, confining light to a narrow region, unlike a point-source producing omni-directional light. Currently, LED lamps are produced by placing multiple chips on a plane, producing substantially directional light. An omni-directional lamp is better for general illumination than a narrow-directional one.07-28-2011
20120134133LED ILLUMINATION APPARATUS - An LED illumination apparatus realizes wide light distribution by increasing the angular range of radiation, and achieves uniform intensity of light through the arrangement of the position of a plurality of light sources. The LED illumination apparatus includes a substrate, a first light source disposed on a peripheral area of the substrate, a second light source disposed on an inner area of the substrate, and a reflector disposed between the first light source and the second light source, wherein the reflector is configured to reflect light that is generated by the first light source.05-31-2012
20120134132PHOSPHOR PLATE AND LIGHTING DEVICE - A phosphor plate may be provided that includes a base plate transmitting light; and a lens being disposed on at least one of both surfaces of the base plate and including a fluorescent material.05-31-2012
20120134134ARRANGEMENT FOR EMITTING MIXED LIGHT - An arrangement for emitting mixed light including a primary and secondary radiation with at least one first electroluminescent light-source for emitting first primary radiation, at least one second electroluminescent light-source for emitting second primary radiation, and a light-converting element for absorbing at least one of the primary radiations and re-emitting the secondary radiation. The light-converting element is arranged so that the entire proportion of primary radiation in the mixed light passes through the light-converting element. The light-converting element is a ceramic light-converting material whose microstructure is selected to be such that the color point of the mixed light of primary and second radiation is substantially independent of the angle of viewing.05-31-2012
20090059559LED LAMP - An LED lamp has a lamp base and a support connected to the lamp base, on which at least one LED is mounted, the support including at least one hollow element, each with at least two air passage openings to permit an air flow through a cavity of at least one hollow element.03-05-2009
20120212932SPOTLIGHT - A spotlight comprises a base which is secured by nuts and washers to a support. There may be a single spotlight, or there may be a line of spotlights mounted on a support. Typical examples of use of the spotlight are illuminating displayed products such as jewellery, ceramics, clothes, or cosmetics. The locations may be retail stores, museums, or galleries for example. A main spotlight body is connected to the base by a joint having a bolt in a sleeve allowing rotation of about 180° around the bolt's axis. Further, the base can be secured to the support at any angular position about an axis through the base 08-23-2012
20120212934BORATE PHOSPHOR AND WHITE LIGHT ILLUMINATION DEVICE UTILIZING THE SAME - Borate phosphors have a formula Zn08-23-2012
20120212933ILLUMINATION OPTICAL SYSTEM AND METHOD OF MANUFACTURING ILLUMINATION OPTICAL SYSTEM - A compact illumination optical system manufactured at reasonable cost can be provided. The illumination optical system can include: a light source for emitting a light beam; a hologram element for converting the light beam emitted from the light source to reproduced light having a predetermined shape of light distribution and a predetermined luminance distribution; a fluorescent plate containing a fluorescent material for emitting visible light by absorbing the reproduced light emitted from the hologram element and entering the fluorescent material; and a lens for projecting forward the visible light emitted from the fluorescent plate.08-23-2012
20120212931LIGHT EMITTING DEVICE - A light emitting device includes a first light source, an optical waveguide body, a light emitting layer and a first reflection layer. The optical waveguide body includes a first end surface to which light from the first light source is injected, and a second end surface opposed to the first end surface and provided in a light guiding direction of the light. The light emitting layer includes, along the light guiding direction, phosphor particles capable of absorbing the light and emitting wavelength converted light or a light diffusing agent diffusing the light. The first reflection layer is provided on the second end surface and is capable of reflecting part of the light guided in the optical waveguide body. Diffused light from the light emitting layer is emitted to outside of the optical waveguide body.08-23-2012
20120212930LIGHTING DEVICE - A lighting device may be provided that includes a light emitting module including a substrate and a light emitting device disposed on the substrate; and a case receiving the light emitting module therewithin and including an upper case disposed on the substrate and a lower case in which the substrate is disposed. The lower case includes a seating portion which is coupled to a heat sink. The seating portion is either a projection projecting outward from the outer surface of the lower case or a recess which is formed by digging inward the outer surface of the lower case.08-23-2012
20120236536LIGHT-EMITTING DEVICE - A light-emitting device can include a fluorescent plate having a first surface and a second surface opposite to the first surface and configured to emit fluorescent light by laser irradiation. A first laser light source can be disposed such that the first surface of the fluorescent plate is irradiated with first laser light. A second laser light source can be disposed such that the second surface of the fluorescent plate is irradiated with second laser light. A reflector can include a light passing hole through which the second laser light can pass and can include a concave reflecting surface configured to cover an irradiation region with the second laser light at least on the fluorescent plate. A lens can be disposed in a space closer to the first surface of the fluorescent plate.09-20-2012
20120075837OPTICAL MEMBER, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF FABRICATING THE SAME - Provided are an optical member, a display device including the same, and a method of fabricating the same. The optical member includes: a matrix; a plurality of wavelength conversion particles in the matrix; and a protective layer surrounding the matrix.03-29-2012
20120075836LIGHT-EMITTING DEVICE AND LIGHTING APPARATUS - A light-emitting device includes a substrate, and a plurality of light-emitting elements mounted on the substrate. The light-emitting elements are placed to meet conditions that the number B of light-emitting elements per unit area (cm03-29-2012
20120075835BACKLIGHT ASSEMBLY HAVING LIGHT EMITTING DIODE PACKAGE AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a first light emitting unit having a first light emitting diode, a second light emitting unit having a second light emitting diode, a third heat conduction member, and a receiving container accommodating the first light emitting unit and the second light emitting unit. The first light emitting unit includes a first heat conduction member connected to the first light emitting diode to absorb a heat from the first light emitting diode, and the second light emitting unit includes a second heat conduction member connected to the second light emitting diode to absorb a heat from the second light emitting diode. A third heat conduction member is connected to the first and second heat conduction members to discharge the heats from the first and second light emitting diodes.03-29-2012
20120075834Ceramic Wavelength Converter and LED Light Source Containing Same - There is herein described an LED light source comprising an LED and a ceramic wavelength converter positioned to receive at least a portion of the light emitted by said LED, said ceramic wavelength converter converting at least a portion of the light emitted by said LED into light of a different wavelength, said ceramic wavelength converter comprising a chlorosilicate phosphor and having a density at least about 90% of theoretical density. The chlorosilicate phosphor is preferably a green-emitting Ca03-29-2012
20120075833LED LAMP - A thermal isolation arrangement for an LED lamp is disclosed. Embodiments of the invention provide thermal isolation between the power supply and the LED assembly of an LED lamp, in most cases allowing the power supply to operate in a lower temperature range than would otherwise be possible. At least one contact feature is provided between the power supply and the LED assembly to maintain a thermal transfer gap between the power supply and the LED assembly. A contact feature can be, for example, a triangular ridge or a conical protrusion. In some embodiments, a thermal isolation device provides the contact feature or contact features. An LED lamp according to example embodiments of the invention can have a modular design and/or can include an Edison base and/or an optical element or optical elements disposed to emit light from the LED lamp.03-29-2012
20120176770LED-BASED LIGHT BULB - A light source (07-12-2012
20120176768LED Light Tube - An LED (Light-Emitting Diode) light tube includes a transparent tube, a phosphor layer and a base board. The phosphor layer is coated on a surface of the transparent tube, wherein a thickness of the phosphor layer is 10-100 μm. The base board is arranged inside the transparent tube for carrying a plurality of LEDs (Light-Emitting Diodes), wherein the length between the base board and the top of the transparent tube is H, and the distance between every two adjacent LEDs is P, and H/P is not smaller than 0.134 and H is 9.5-38 mm.07-12-2012
20100271805TUFTED TEXTILE - The present invention relates to a tufted textile (10-28-2010
20120218736LIGHT EMITTING COMPOSITE WITH PHOSPHOR COMPONENTS - Disclosed herein are phosphor compositions having high gadolinium concentrations. Some embodiments include a thermally stable ceramic body comprising an emissive layer, wherein said emissive layer comprises a compound represented by the formula (A08-30-2012
20120257375Light Emitting Diode Lamp Source - A light fixture includes a core member having a top end, a bottom end, and a body extending between the top and bottom ends. The core member includes a solid, single member or modular members. The body includes outer surfaces (“facets”) spaced along an outer perimeter thereof. Each facet can receive one or more light emitting diode (“LED”) packages in various different positions, with different electrical and other configurations. By rearranging and/or reconfiguring the LED packages, the light fixture can have different optical distributions, such as that traditionally provided by metal halide, high intensity discharge, quartz, sodium, incandescent, and fluorescent light sources. Heat pipes extending through the core member dissipate heat from the LEDs. Active cooling modules and/or fins may assist with this heat dissipation. The heat pipes and/or a separate elongated structure extending through the core member can secure the core member to the light fixture.10-11-2012
20120257374LED LAMP - An LED lamp is disclosed herein. The LED lamp may comprise a core with a plurality of outwardly extending elevated sections configured to dispose LED supports. The core may comprise one or more air vents. A heat sink may be disposed in conductive heat transfer communication with a corresponding LED support. An insulator may be disposed about each embossed portion of the core and may have a light redirecting portion configured to redirect light emitted from LEDs supported on a corresponding LED support. One or more heat sinks and its corresponding insulator may be configured and disposed to provide an air gap therebetween.10-11-2012
20120188746Optical Member, Display Device Having the Same and Method of Fabricating the Same - Disclosed are an optical member, a display device including the optical member and a method of fabricating the optical member. The display device includes a light source; a wavelength conversion member into which light generated from the light source is incident; and a display panel into which light is incident from the wavelength conversion member. The wavelength conversion member includes a receiving part having a pipe shape; a matrix in the receiving part; and a plurality of wavelength conversion particles disposed in the matrix to convert a wavelength of the light generated from the light source.07-26-2012
20130170176LIQUID COOLED LED SYSTEMS - Liquid cooled LED systems are disclosed. Embodiments of the invention provide an LED lighting system in which the LED devices are cooled by circulating liquid or fluid. In example embodiments, a flow return member provides a way for a fluid medium to enter and exit an envelope containing the LED devices. An additional cooling mechanism, such as a radiator or thermoelectric cooler can be provided. The optically transmissive fluid medium can be, for example, oil or a fluorinated or halogenated liquid or gel, and can optionally provide index matching. The fluid medium can optionally include a phase change material in order to enhance cooling. In some embodiments, a pump is used to circulate the fluid medium. However, the optical envelope and/or the flow return member could also be oriented so that the fluid medium circulates by gravity and/or temperature difference.07-04-2013
20120262905LENS AND LIGHT EMITTING APPARATUS HAVING THE SAME - Provided is a light emitting apparatus. The light emitting apparatus comprises a substrate; a light emitting device package on the substrate; and a lens supported by the substrate, the lens being disposed on the light emitting device package, wherein the lens comprises a lens body having a first recess at a central portion of a top surface thereof, a second recess at a central portion of a bottom surface thereof, and a lens support disposed on the bottom surface of the lens body to support the lens body such that the bottom surface of the lens body is spaced apart from the substrate.10-18-2012
20120262903LED-BASED LIGHT SOURCES FOR LIGHT EMITTING DEVICES AND LIGHTING ARRANGEMENTS WITH PHOTOLUMINESCENCE WAVELENGTH CONVERSION - An LED-based light source for generating light having a selected dominant wavelength λ10-18-2012
20120262902LED LUMINAIRE INCLUDING A THIN PHOSPHOR LAYER APPLIED TO A REMOTE REFLECTOR - A luminaire including a thin phosphor layer applied to a remote reflector is disclosed. In some embodiments of the luminaire, LEDs illuminate and activate a thin remote phosphor coating applied to a reflective substrate. In some embodiments, the LED light source includes at least one LED with a GaN emitting layer. The LEDs can be packaged with or without a local phosphor. The thin remote phosphor can include red, red/orange, yellow, green or cyan emitting phosphor so that the luminaire produces white light. The thin remote phosphor layer can include two or more different color emitting phosphors. In some embodiments, the luminaire is a light fixture including a diffuser lens assembly and a pan to support the fixture when mounted in a ceiling.10-18-2012
20120262904ILLUMINATION SYSTEM - The invention provides an illumination system comprising a light-emitting device which excites a first luminescent element, which forms part of the light-emitting device. The light emitted from the first luminescent element and/or the light emitted by the light-emitting device excite a second luminescent element, physically separated from the light-emitting device. By employing two luminescent elements, the first element in the light-emitting device, and the second element physically separated from the light-emitting device, such as on a cover plate, the conversion of light produced by the light-emitting device is performed at both a “local” and a “remote” location, respectively, and the amount of luminescent material required at the remote location may be reduced compared to the situation of the prior art where the light conversion was only performed at a remote location.10-18-2012
20120081880SOLID STATE LIGHT SOURCE LIGHT BULB - A light emitting apparatus includes a lamp base, a light-transmissive bulb envelope, a light source for emitting light, and a heat sink coupled to the light source. A solid state LED light bulb may further include a down conversion material. The down conversion material is disposed within the bulb envelope, remote from the light source and between the light source and the lamp base. The heat sink may include at least one metal fin and, additionally or alternatively, include a mesh disposed over at least an outer portion of the bulb envelope. A solid state light bulb may include a light guide for directing the light emitted by the light source. The solid state light bulb configurations place the light source and heat sink at the apex of the light bulb envelope, distant from the lamp base, in order to dissipate heat produced by the light source into the environment. In addition, at least part of the heat sink is outside the light bulb envelope to maximize the heat dissipation.04-05-2012
20120230011SEMICONDUCTOR LIGHT SOURCE APPARATUS - A semiconductor light source apparatus can include a clad layer, a phosphor layer surrounded by the clad layer and a laser diode emitting a laser light. The phosphor layer can include a cavity having an opening for receiving the laser light, a phosphor material and a light-emitting surface of the apparatus. The laser light entering into the cavity can repeatedly reflect on an inner surface of the phosphor layer many times, each and every time most of the laser light entering into the phosphor layer. The laser light can be efficiently wavelength-converted by the phosphor material and the wavelength converted light can be emitted from the light-emitting surface having various shapes exposed from the clad layer. Therefore, the disclosed subject matter can include providing semiconductor light source apparatuses having a high light-emitting efficiency and high light-emitting density such that the devices can be used for a headlight, general lighting, etc.09-13-2012
20120230013LIGHTING DEVICE, METHOD AND LIGHT WAVELENGTH CONVERSION WHEEL ASSEMBLY FOR COLOR TUNING THEREOF - A lighting device, a method and a light wavelength conversion wheel assembly (09-13-2012
20090231832SOLID-STATE LAMPS WITH COMPLETE CONVERSION IN PHOSPHORS FOR RENDERING AN ENHANCED NUMBER OF COLORS - The invention relates to phosphor-conversion (PC) sources of white light, which are composed of at least two groups of emitters, such as ultraviolet (UV) light-emitting diodes (LEDs) and wide-band (WB) or narrow-band (NB) phosphors that completely absorb and convert the flux generated by the LEDs to other wavelengths, and to improving the color quality of the white light emitted by such light sources. In particular, embodiments of the present invention describe new 2-4 component combinations of peak wavelengths and bandwidths for white PC LEDs with complete conversion. These combinations are used to provide spectral power distributions that enable lighting with a considerable portion of a high number of spectrophotometrically calibrated colors rendered almost indistinguishably from a blackbody radiator or daylight illuminant, and which differ from distributions optimized using standard color-rendering assessment procedures based on a small number of test color samples.09-17-2009
20130016494PACKAGE FOR LIGHT EMITTING AND RECEIVING DEVICES - In various embodiments, packages include one or more lighting devices having electrical contact points, a flexible substrate for supporting the lighting devices, a plurality of electrically conductive traces defined on the substrate and electrically connected to the contact points of the lighting devices, and an adhesive layer mounting each of the lighting devices on the substrate.01-17-2013
20100328923MULTIPLE LAYER PHOSPHOR BEARING FILM - A multiple layer phosphor bearing film having a phosphor bearing layer comprising phosphor. The film may also have an optical layer having a refractive index that is higher than a refractive index for the phosphor bearing layer. The phosphor beraing layer may be adhesive to enable the film to be applied to a light source.12-30-2010
20080278927Color tunable light source - A color tunable light source comprises: a first light emitting diode (LED) arrangement operable to emit light of a first color and a second LED arrangement operable to emit light of a second color, the combined light output comprising the output of the source. One or both LED arrangements comprises a phosphor provided remote to an associated LED operable to generate excitation energy of a selected wavelength range and to irradiate the phosphor such that it emits light of a different color wherein light emitted by the LED arrangement comprises the combined light from the LED and phosphor and control means operable to control the color by controlling the relative light outputs of the two LED arrangements. The color can be controlled by controlling the relative magnitude of the drive currents of the LEDs or by controlling a duty cycle of PWM drive current.11-13-2008
20120320562LED LIGHTING DEVICE - An LED (Light-Emitting Diode) lighting device is provided. The LED lighting device comprises an LED module, a lamp cover, and a phosphor layer. The LED module comprises a circuit board comprising a driving circuit and a plurality of LEDs mounted on the circuit board and driven by the driving circuit so as to emit light of 300-700 nm in wavelength. The lamp cover is configured to shield the LED module. The phosphor layer is coated on an inner surface of the lamp cover towards the LED module and configured to transform the light of 300-700 nm in wavelength to a luminary light of 400-700 nm in wavelength.12-20-2012
20120320563Lamp Device - According to some aspects, a light-emitting module that is small and easy to produce may be provided. On the surface of a board, a light-emitting element and an electrical connection portion electrically connected to the light-emitting element are provided. In some examples, in a position close to the electrical connection portion of the board, a through-hole that penetrates the board is formed. Through the through-hole of the board, an electric wire for supplying electric power to the light-emitting element may be inserted from the back surface of the board to the front surface to be electrically connected to the electrical connection portion.12-20-2012
20120268916LIGHT EMITTING DEVICE PACKAGE AND METHOD OF MANUFACTURING THE SAME - There are provided a light emitting device package and a method of manufacturing the same. The light emitting device package includes a light emitting device including electrode pads; a body part supporting the light emitting device, including a reflective groove exposing an upper surface of the light emitting device in an upper surface thereof, and exposing a lower surface of the light emitting device through a lower surface thereof; and a lens part provided on the body part and covering the light emitting device.10-25-2012
20120275134LIGHT PROJECTION UNIT AND LIGHT PROJECTION APPARATUS - A light projection unit capable of improving light use efficiency is provided. This light projection unit includes: a fluorescent member that includes an illuminated surface to which laser light is directed, converts at least part of the laser light into fluorescent light and outputs the fluorescent light from chiefly the illuminated surface; and a reflection member that includes a first reflection surface which reflects the fluorescent light output from the fluorescent member. The illuminated surface of the fluorescent member is inclined with respect to a predetermined direction in such a way that the illuminated surface faces in a direction opposite to a light projection direction.11-01-2012
20100232134LIGHT EMITTING DEVICE AND LAMP-COVER STRUCTURE CONTAINING LUMINESCENT MATERIAL - An LED lamp cover structure containing luminescent material, its fabrication methods, and an LED package using the LED lamp cover are disclosed. The LED lamp cover is comprised of a first lens cap providing the outer surface of the lamp cover, a second lens cap providing the inner surface of the lamp cover, and an encapsulating layer sandwiched between the first and second lens caps. The lamp cover of the invention covering a color LED package such as blue color can provide white light output.09-16-2010
20100232133Lamp-cover structure containing luminescent material - An LED lamp cover structure containing luminescent material and its fabrication methods are described. The LED lamp cover is comprised of a first lens cap providing the outer surface of the lamp cover, a second lens cap providing the inner surface of the lamp cover, and an encapsulating layer sandwiched between the lens cap providing the outer surface of the lamp cover and the lens cap providing the inner surface of the lamp cover, which is mixed with luminescent material for wavelength conversion.09-16-2010
20120087107DISPLAY PANEL AND DISPLAY DEVICE - A red color filter (04-12-2012
20120087106EFFICIENT LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING SUCH A DEVICE - The invention relates to a light emitting device (04-12-2012
20120087105WAVELENGTH CONVERSION COMPONENT - A light emitting device comprises at least one solid-state light source (LED) operable to generate excitation light and a wavelength conversion component located remotely to the at least one source and operable to convert at least a portion of the excitation light to light of a different wavelength. The wavelength conversion component comprises a light transmissive substrate having a wavelength conversion layer comprising particles of at least one photoluminescence material and a light diffusing layer comprising particles of a light diffractive material. This approach of using the light diffusing layer in combination with the wavelength conversion layer solves the problem of variations or non-uniformities in the color of emitted light with emission angle. In addition, the color appearance of the lighting apparatus in its OFF state can be improved by implementing the light diffusing layer in combination with the wavelength conversion layer. Moreover, significant reductions can be achieved in the amount phosphor materials required to implement phosphor-based LED devices.04-12-2012
20120087104WAVELENGTH CONVERSION COMPONENT WITH SCATTERING PARTICLES - A light emitting device comprises at least one solid-state light source (LED) operable to generate excitation light and a wavelength conversion component located remotely to the at least one source and operable to convert at least a portion of the excitation light to light of a different wavelength. The wavelength conversion component comprises a light transmissive substrate having a wavelength conversion layer comprising particles of at least one photoluminescence material and a light diffusing layer comprising particles of a light diffractive material. This approach of using the light diffusing layer in combination with the wavelength conversion layer solves the problem of variations or non-uniformities in the color of emitted light with emission angle. In addition, the color appearance of the lighting apparatus in its OFF state can be improved by implementing the light diffusing layer in combination with the wavelength conversion layer. Moreover, significant reductions can be achieved in the amount phosphor materials required to implement phosphor-based LED devices.04-12-2012
20120087103WAVELENGTH CONVERSION COMPONENT WITH A DIFFUSING LAYER - A light emitting device comprises at least one solid-state light source (LED) operable to generate excitation light and a wavelength conversion component located remotely to the at least one source and operable to convert at least a portion of the excitation light to light of a different wavelength. The wavelength conversion component includes a light transmissive substrate having a wavelength conversion layer comprising particles of at least one photoluminescence material and a light diffusing layer comprising particles of a light diffractive material. This approach of using the light diffusing layer in combination with the wavelength conversion layer solves the problem of variations or non-uniformities in the color of emitted light with emission angle.04-12-2012
20120327631LED LIGHTING DEVICE - An LED lighting device comprises an LED light source and a luminescent conversion portion. Rotation of the luminescent conversion portion relative to the LED light source or rotation of the LED light source relative to the luminescent conversion portion is used to produce a variety of color temperatures. The luminescent conversion portion has phosphors unevenly distributed therein.12-27-2012
20110286201WAVELENGTH CONVERTING SYSTEM - An embodiment of the invention discloses a wavelength converting system. The wavelength converting system comprises: a wavelength converter having a first area and a second area; a first light source disposed under the first area and inducing a first mixed light being visible above the first area; a second light source disposed under the second area and inducing a second mixed light being visible above the second area; and a carrier supporting the first light source and the second light source. The first light source and the second light source have a dominant wavelength difference of 1 nm˜20 nm, and the first mixed light and the second mixed light have a color temperature difference less than 100K.11-24-2011
20120092851LED arrangement with an improved light yield and process for operating LED arrangement with an improved light yield - An LED arrangement (04-19-2012
20120092850OPTICAL ELEMENT EDGE TREATMENT FOR LIGHTING DEVICE - A lighting device includes an electrically activated emitter, a lumiphoric material spatially segregated from the emitter, and an optical element arranged between the emitter and the lumiphoric material and having at least one peripheral edge, wherein a reflective material is disposed proximate to the at least one peripheral edge and/or wherein the at least one peripheral edge is non-perpendicular to a face of the optical element and arranged to reflect light in a direction toward the lumiphoric material. An optical element for use with a lighting device including a lumiphoric material includes a peripheral edge, wherein a reflective material disposed substantially parallel to the peripheral edge and/or wherein the peripheral edge is non-perpendicular to a face of the optical element and arranged to reflect light in a direction toward the lumiphoric material.04-19-2012
20120092853LIGHT EMITTING MODULE - In a light emitting module, a semiconductor light emitting element emits short-wavelength visible light. A plurality of the semiconductor light emitting elements are provided side by side on the same flat surface. The light wavelength conversion member contains a first phosphor and a second phosphor, the wavelength of the light emitted after the wavelength thereof has been converted by either of the two being different from the excitation wavelength for the other. The first phosphor emits yellow light by exciting the short-wavelength visible light. The second phosphor emits blue light by exciting the short-wavelength visible light. The first phosphor does not include the wavelength range of the blue light in the excitation wavelength range thereof. The light wavelength conversion member is cured after being potted so as to integrally cover the plurality of the semiconductor light emitting elements.04-19-2012
20120092852LLB BULB HAVING LIGHT EXTRACTING ROUGH SURFACE PATTERN (LERSP) AND METHOD OF FABRICATION - A LLB bulb includes a base, a LED light source configured to emit electromagnetic radiation, and a lens/cover having a light extracting rough surface pattern (LERSP) configured to reduce glare and reflection in the LLB bulb without light loss. A method for fabricating the LLB bulb includes the steps of providing the lens/cover, and forming the light extracting rough surface pattern (LERSP) on the lens/cover. The lens/cover can be fabricated with the light extracting rough surface pattern (LERSP) using a process such as bead blasting, sand blasting, etching (chemical or plasma), or molding.04-19-2012
20100202129ILLUMINATION SYSTEM UTILIZING WAVELENGTH CONVERSION MATERIALS AND LIGHT RECYCLING - A wavelength conversion material with an omni-directional reflector is utilized to enhance the optical efficiency of an illumination system with a single aperture for inputting and outputting light beams. Light guides with restricted output apertures, micro-element plates and optical elements are utilized to enhance the brightness of delivered light through light recycling. Furthermore, micro-element plates may be used to provide control over the spatial distribution of light in terms of intensity and angle. Efficient and compact illumination systems that utilize single light source with deflectors are also disclosed.08-12-2010
20120140439RARE-EARTH COMPLEX AND USES THEREOF - The rare-earth complex of the present invention has high luminous efficiency, since it has a structure represented by the following general formula (I):06-07-2012
20120140435LIGHT EMITTING DEVICE UTILIZING REMOTE WAVELENGTH CONVERSION WITH IMPROVED COLOR CHARACTERISTICS - A light emitting device includes a radiation source operable to generate and radiate excitation energy, the source being configured to irradiate a wavelength conversion component with excitation energy and the wavelength conversion component comprising a layer of photo-luminescent material configured to emit radiation of a selected color when irradiated by the radiation source and a color enhancement filter layer configured to filter undesirable wavelengths of an emission product of the layer of photo-luminescent material to establish a final emission product for the light emitting device.06-07-2012
20130010453COLOR COMPENSATION IN LED LUMINAIRES - A luminaire in which color or brightness differences of light sources are compensated is provided. The luminaire can include several LED packages providing light to a primary optical component, which directs the light out of the luminaire. Because individual LED packages may output light at slightly different colors and/or brightness, the luminaire can include a secondary optical component having different materials that modify the color, brightness, or both of the output light. The secondary optical component can serve as a filter positioned between the LED packages (e.g., between a LED module) and the primary optical component, or between the primary optical component and the user, or above the primary optical component. The secondary optical component can be constructed by providing colorfast inks, phosphors, or quantum dots on a clear substrate or on a surface of the primary optical component. The materials can be disposed in a non-uniform manner.01-10-2013
20100142182ILLUMINATION SYSTEM - The invention provides an illumination system comprising a light-emitting device which excites a first luminescent element, which forms part of the light-emitting device. The light emitted from the first luminescent element and/or the light emitted by the light-emitting device excite a second luminescent element, physically separated from the light-emitting device. By employing two luminescent elements, the first element in the light-emitting device, and the second element physically separated from the light-emitting device, such as on a cover plate, the conversion of light produced by the light-emitting device is performed at both a “local” and a “remote” location, respectively, and the amount of luminescent material required at the remote location may be reduced compared to the situation of the prior art where the light conversion was only performed at a remote location.06-10-2010
20110157866SHELL AND DISPLAY MODULE OF MOBILE COMMUNICATION TERMINAL AND A METHOD OF FORMING THE SAME - A shell of mobile communication terminal is provided. The shell includes a shell body made by a transparent or semitransparent material and having an outer surface and an inner surface. The inner surface has patterns formed thereon. A semitransparent-semireflecting layer is formed on the outer surface of the shell body. The patterns can be observed from outside of the shell body when there is light transmitting from the inner surface to the outer surface, and the semitransparent-semireflecting layer presents a mirror effect when there is no light transmitting from the inner surface to the outer surface.06-30-2011
20110157865ILLUMINATION DEVICE - Provided is an illumination device capable of reducing coherence of laser light emitted from a laser irradiation device to ensure safety to the eye at low cost. In the illumination device for exciting a fluorescent substance by irradiating the fluorescent substance with the laser light from the laser irradiation device to emit visible light for use as illumination light, a light scattering material is placed on and around an optical axis of the laser light.06-30-2011
20110157864LIGHT EMITTING DEVICE - According to embodiments, a light emitting device is provided. The light emitting device includes a semiconductor laser diode that emits a laser beam; first and second sidewalls that are disposed along a central beam axis of the laser beam with opposite each other; a phosphor layer that is provided between the first and second sidewalls, the phosphor layer including an incidence surface of the laser beam, the incidence surface being provided while inclined with respect to the central beam axis, the phosphor layer absorbing the laser beam to emit visible light on the incidence surface side; a slit that is provided on the incidence surface side of the phosphor layer to take out the visible light, the slit including a longitudinal direction and a crosswise direction, the longitudinal direction being disposed along a direction of the central beam axis; and a reflector that is provided on the slit side of the semiconductor laser diode so as not to intersect the central beam axis, the reflector reflecting part of the laser beam toward the phosphor layer.06-30-2011
20130021775HEAT MANAGEMENT SUBSYSTEMS FOR LED LIGHTING SYSTEMS, LED LIGHTING SYSTEMS INCLUDING HEAT MANAGEMENT SUBSYSTEMS, AND/OR METHODS OF MAKING THE SAME - Certain example embodiments relate to improved lighting systems and/or methods of making the same. In certain example embodiments, a lighting system includes a glass substrate with one or more apertures. An LED or other light source is disposed at one end of the aperture such that light from the LED directed through the aperture of the glass substrate exits the opposite end of the aperture. Inner surfaces of the aperture have a mirroring material such as silver to reflect the emitted light from the LED. In certain example embodiments, a remote phosphor article or layer is disposed opposite the LED at the other end of the aperture. In certain example embodiment, a lens is disposed in the aperture, between the remote phosphor article and the LED.01-24-2013
20130021776LED LIGHTING SYSTEMS WITH PHOSPHOR SUBASSEMBLIES, AND/OR METHODS OF MAKING THE SAME - Certain example embodiments relate to improved lighting systems and/or methods of making the same. In certain example embodiments, a lighting system includes a glass substrate with one or more apertures. An LED or other light source is disposed at one end of the aperture such that light from the LED directed through the aperture of the glass substrate exits the opposite end of the aperture. Inner surfaces of the aperture have a mirroring material such as silver to reflect the emitted light from the LED. In certain example embodiments, a remote phosphor article or layer is disposed opposite the LED at the other end of the aperture. In certain example embodiment, a lens is disposed in the aperture, between the remote phosphor article and the LED.01-24-2013
20130021777LIGHT FIXTURE WITH COEXTRUDED COMPONENTS - A light fixture with coextruded components is disclosed. Embodiments of the present invention provide a solid-state light fixture suitable for use in commercial environments. A light fixture according to example embodiments of the invention includes an LED light source and a coextruded optical assembly. In some embodiments, the reflector portion of the assembly includes a thin skin of reflective material. In some embodiments, the assembly includes an interlocking mechanical interface between the reflector and lens portions of the assembly. In some embodiments, the lens portion of the assembly includes two lens plates. In some embodiments, a longer fixture can be assembled by using two, coextruded portions of an optical assembly, where these portions are adapted to be joined end-to-end. Reinforcing members can be used in the reflector and lens assembly.01-24-2013
20130170174MULTI-CAVITIES LIGHT EMITTING DEVICE - A Multi-Cavities light emitting device includes a base, a blue light emitting unit, at least two red light emitting units, a light conversion layer and a lens, and the base has a central slot and at least two side slots symmetrically formed on external sides of the central slot, and the blue light emitting unit is installed in the central slot, and the two red light emitting units are installed in the two side slots respectively, and the light conversion layer is covered onto the blue light emitting unit, and the lens is protruded from the base and sealed onto the central slot and at least two side slots, so as to achieve the effects of improving the light extraction efficiency of an LED chip and the yield rate of the product and reducing the overall assembling time and cost.07-04-2013
20120243205ILLUMINATION SYSTEM - An illumination system for use in a projector is provided. The illumination system comprises a first light source, a first timing controlling unit, a curved reflecting component and a wavelength converting component. The first light source provides a first wavelength light, while the first timing controlling unit divides the first wavelength light into a first timing portion and a second timing portion. The curved reflecting component comprises a focal point. The wavelength converting component is disposed at the focal point for converting the first timing portion of the first wavelength light into a second wavelength light.09-27-2012
20080253107LIGHT EMITTING MODULE - A light emitting module includes a transparent substrate and a plurality of light emitting diodes (LEDs). The transparent substrate has a first surface, a second surface disposed opposite to the first surface and a patterned conductive layer disposed on the first surface of the transparent substrate. The LEDs are disposed on a lateral side of the first surface and are electrically connected with the patterned conductive layer. Light outputted from the LEDs is guided by the transparent substrate and is outputted from the first surface or the second surface.10-16-2008
20130170175LAMP WITH LED ARRAY - A lamp with an LED array is disclosed. The centralized nature of the LEDs allows the LEDs to be configured in a filament-like way using a supporting power structure, near the central portion of the optical envelope of the lamp. In example embodiments, the LEDs are cooled by a fluid medium to enable the LEDs to maintain appropriate mechanical stability and operating temperature. In some embodiments, the lamp operates at a power of at least 5 watts. Since the LED array can be centralized to form a filament-like structure, the light pattern from the lamp is not adversely affected by the presence of a heat sink or mechanical supporting parts. In some embodiments, phosphor is used provide wavelength conversion. The phosphor can be suspended within the optically transmissive fluid medium, placed remotely in the lamp structure, or applied to un-encapsulated LED die.07-04-2013
20130170178LIGHT SOURCE MODULE AND ILLUMINATION APPARATUS HAVING THE SAME - A light source module including: a cover unit having a pipe structure with one open end or two open ends; a cap unit coupled to the one open end or two open ends of the cover unit; a light source unit including a light emitting device, the light source unit mounted on the cap unit and covered by the cover unit; and a wavelength conversion unit disposed in an internal space of the cover unit and coupled to the light source unit while covering the light emitting device, the wavelength conversion unit converting a wavelength of light emitted from the light emitting device to allow the wavelength-converted light to be emitted through the cover unit.07-04-2013
20130170179WAVELENGTH CONVERSION ELEMENT AND LIGHT SOURCE PROVIDED WITH SAME - A light source using a wavelength conversion member is increased in brightness. A wavelength conversion element 07-04-2013
20080232085Electroluminescent Device with a Light Conversion Element - The invention relates to a light source to emit a mixture of primary and secondary light comprising an electroluminescent device like a light emitting diode LED or a laser, to emit the primary light into a light conversion element (09-25-2008
20080232083High-Luminosity Stress-Stimulated Luminescent Material, Manufacturing Method Thereof, and Use Thereof - The present invention provide a high-luminosity stress-stimulated luminescent material which emits visible light even in daylight, a manufacturing method thereof, and a typical example of the use thereof. The stress-stimulated luminescent material of the present invention satisfies conditions for light emission by at least one of: a luminescence mechanism using static electricity caused by friction; a luminescence mechanism using micro plasma caused by friction; a luminescence mechanism using a piezoelectric effect caused by strain; a luminescence mechanism using lattice defect; and a luminescence mechanism using thermal generation. For example, in case where a base material made of at least one type of aluminate is includes as the stress-stimulated luminescent material, the base material includes a crystal structure with spontaneous polarization, e.g. α-SrAl09-25-2008
20100085728Phosphor and production method thereof, phosphor-containing composition, light emitting device, illuminating device, display, and nitrogen-containing compound - To provide a new phosphor of which fluorescence contains much red light component and has a large full width at half maximum, the crystal phase represented by the formula [I] is included in the phosphor.04-08-2010
20100085727LIGHTING DEVICE AND DISPLAY DEVICE HAVING THE SAME - Disclosed herein is a lighting device including a blue light-emitting element adapted to emit a blue light beam; and a green phosphor layer which is disposed apart from the blue light-emitting element and can function as a light diffusion layer, the green phosphor layer including a green phosphor adapted to emit green fluorescence when excited by the blue light beam, the green phosphor having a refractive index of 1.49 or more and a quantum efficiency of 79% or more.04-08-2010
20080225509Luminous Body - A luminous body is described, in particular in the form of a planar illumination device for general lighting or for backlighting of displays, wherein the luminous body comprises a plurality of light sources arranged in a housing (09-18-2008
20130176707Modular LED Space Light - A modular light emitting diode (LED) space light including a top plate including a top plate slot; a bottom plate including a bottom plate slot; at least one module having at least one light emitting diode (LED), wherein the at least one module is adapted to fit between the top plate and the bottom plate correspondingly in the top plate slot and the bottom plate slot; and at least one passive heat sink coupled to the at least one module to dissipate heat generated by the at least one LED.07-11-2013
20080218993LED signal lamp - An LED signal lamp (09-11-2008
20080218992Light emitting diode (LED) based lighting systems - A lighting system comprises at least one excitation source (09-11-2008
20130170177Three-Dimensional Display for Displaying Volumetric Images - An apparatus including a three-dimensional display, for displaying volumetric images, including a three-dimensional non linear photoluminescent medium defining a display volume and including nanostructures distributed throughout the display volume; and a scanner configured to scan an output volume, where a first photon flux and a second photon flux meet, in three dimensions within the display volume.07-04-2013
20130094182Light Source Unit with Phosphor Element - A light source unit comprising: a pump light source (04-18-2013
20130094181Phosphor Device and Lighting Apparatus Comprising the Same - A phosphor device comprising a carrier member having upper and lower faces; a reflecting member having a side surface portion and a bottom portion, the reflecting member being arranged at the upper face of the carrier member; a phosphor layer being embedded in the reflecting member; a transmitting member having a first end face and a second end face, the transmitting member being arranged on the phosphor layer, wherein the first end face of the transmitting member completely covers the top portion of the phosphor layer.04-18-2013
20130094178WAVELENGTH CONVERSION COMPONENT HAVING PHOTO-LUMINESCENCE MATERIAL EMBEDDED INTO A HERMETIC MATERIAL FOR REMOTE WAVELENGTH CONVERSION - Disclosed are improved wavelength conversion components having photo-luminescent materials embedded into a hermetic material. Phosphor materials are embedded into a layer of glass, which is then utilized in a remote phosphor LED lighting apparatus. Methods for manufacturing these advanced wavelength conversion components are also described.04-18-2013
20130114243CEILING FIXTURE - A ceiling fixture including a first heat dissipation structure, a circuit board and a flexible light source is provided. The first heat dissipation structure has a curved surface, a containing cavity and a plurality of heat dissipation channels. Each heat dissipation channel is connected to the containing cavity and the external environment. The circuit board is disposed in the containing cavity and contacts the first heat dissipation structure. The flexible light source is disposed on the curved surface.05-09-2013
20130114241LIGHTING DEVICE PROVIDING IMPROVED COLOR RENDERING - The present disclosure relates to lighting device configurations that render colors well and provide high quality white light.05-09-2013
20130094179SOLID-STATE LIGHT EMITTING DEVICES WITH MULTIPLE REMOTE WAVELENGTH CONVERSION COMPONENTS - A light emitting device comprises a solid-state light source; a first wavelength conversion component comprising a first photo-luminescent material and a second wavelength conversion component comprising a second photo-luminescent material. At least the second wavelength conversion component is remote to the solid state light source and the first wavelength conversion component is closer in proximity to the solid-state light source and smaller in area than the second wavelength conversion component.04-18-2013
20130094177WAVELENGTH CONVERSION COMPONENT WITH IMPROVED THERMAL CONDUCTIVE CHARACTERISTICS FOR REMOTE WAVELENGTH CONVERSION - A wavelength conversion component for a light emitting device comprising at least one light emitting solid-state light source includes a wavelength conversion layer comprising photo-luminescent material and a light transmissive thermally conductive substrate in thermal contact with a surface of the wavelength conversion layer.04-18-2013
20130094176WAVELENGTH CONVERSION COMPONENT WITH IMPROVED PROTECTIVE CHARACTERISTICS FOR REMOTE WAVELENGTH CONVERSION - A wavelength conversion component for remote wavelength conversion is described in which a wavelength conversion layer is sandwiched between two light transmissive hermetic substrates. The light transmissive hermetic substrates form a barrier that protects the wavelength conversion layer from exposure to external environmental conditions. In some approaches, the wavelength conversion component further includes a sealant material disposed around an outer edge of the sandwich structure, where the sealant material hermetically seals an outer edge wavelength conversion layer.04-18-2013
20130100645LED LIGHT BULB - In one embodiment, an LED light bulb includes an LED module, a base portion on which the LED module is disposed, and a glove attached to the base portion. The LED module includes an ultraviolet to violet light-emitting LED chip mounted on a substrate. A lighting circuit and a bayonet cap are provided in and on the base portion. A fluorescent film is provided on an inner surface of the glove, and emits white light by absorbing ultraviolet to violet light emitted from the LED chip. The fluorescent film has a film thickness in a range of 80 to 800 μm. In the LED light bulb, an amount of ultraviolet light which leaks from the glove is 0.1 mW/nm/lm or less.04-25-2013
20130100644LIGHT SOURCES SYSTEM AND PROJECTION DEVICE USING THE SAME - This invention provides a light source system and a projection device. The light source system includes an excitation light source for generating a excitation light, a wavelength conversion device, a supplemental light source for generating a supplemental light, a light introducing device for directing the supplemental light to the wavelength conversion device, a light collection device for collecting the supplemental light that scattered and reflected by the wavelength conversion device. By setting the relative sizes of the light introducing device and the light collection device, the luminous flux of the supplemental light that is lost due to the light introducing device is less than or equal to a quarter of that the luminous flux of the supplemental light collected by the light collection device. The converted light is supplemented by the supplemental light.04-25-2013
20130100643Light source unit, an illuminating device equipped with the light source unit and medical equipment - The present invention relates to a light source unit having at least one LED sub light source unit. Each LED sub light source unit includes three types of LEDs: phosphor converted green LED, orange-red LED with a wavelength of 614 nm-622 nm, and blue LED with a wavelength of 460 nm-476 nm. Light generated by the three types of LEDs is mixed to generate white light.04-25-2013
20130100639HIGH LUMINANCE MULTICOLOR ILLUMINATION DEVICES AND RELATED METHODS AND PROJECTION SYSTEM USING THE SAME - An illumination device and a projection system using the same. The illumination device includes two or more color channels each including one or more light sources for generating a color light. At least one of the color channels includes light sources of a first type for generating a first (narrow band) light and light sources of a second type for generating a second light. The dominant wavelengths of the first and second lights are within 50 nm of each other, and the width of the combined spectrum (sum of normalized spectra of the first and second lights) is greater than the width of the spectrum of the first light by at least 10 nm. A wavelength-based light combiner is used to combine the color lights from the color channels into a combined light04-25-2013
20130100640U-SHAPED LED ENERGY SAVING LAMP - The present patent application discloses a U-shaped LED energy saving lamp, comprising a lamp base; a drive shell that has a drive provided therein is arranged on the lamp base, the drive shell being made of heat-conducting plastic embedded with metal or simply made of heat-conducting plastic material; the drive shell is engaged with the U-shaped lampshade, inside of which a substrate electrically connected with the drive is provided, and the substrate has LED assemblies mounted thereon. The LED lamp according to the present patent application not only effectively realizes that the LED lamp irradiates with light in an angle of larger than 330 degree but also evenly irradiates without the problem of glaring, and the heat dispersion performance thereof is excellent.04-25-2013
20110267801LED LAMP OR BULB WITH REMOTE PHOSPHOR AND DIFFUSER CONFIGURATION WITH ENHANCED SCATTERING PROPERTIES - An LED lamp or bulb is disclosed that comprises a light source, a heat sink structure and an optical cavity. The optical cavity comprises a phosphor carrier having a conversions material and arranged over an opening to the cavity. The phosphor carrier comprises a thermally conductive transparent material and is thermally coupled to the heat sink structure. An LED based light source is mounted in the optical cavity remote to the phosphor carrier with light from the light source passing through the phosphor carrier. A diffuser dome is included that is mounted over the optical cavity, with light from the optical cavity passing through the diffuser dome. The properties of the diffuser, such as geometry, scattering properties of the scattering layer, surface roughness or smoothness, and spatial distribution of the scattering layer properties may be used to control various lamp properties such as color uniformity and light intensity distribution as a function of viewing angle.11-03-2011
20110267800LED LAMP WITH REMOTE PHOSPHOR AND DIFFUSER CONFIGURATION - An LED lamp or bulb is disclosed that comprises a light source, a heat sink structure and an optical cavity. The optical cavity comprises a phosphor carrier having a conversions material and arranged over an opening to the cavity. The phosphor carrier comprises a thermally conductive transparent material and is thermally coupled to the heat sink structure. An LED based light source is mounted in the optical cavity remote to the phosphor carrier with light from the light source passing through the phosphor carrier. A diffuser dome is included that is mounted over the optical cavity, with light from the optical cavity passing through the diffuser dome. The diffuser dome can disperse the light passing through it into the desired emission pattern, such as omnidirection. In one embodiment, the light source can be blue emitting LED and the phosphor carrier can include a yellow phosphor, with the LED lamp or bulb emitting a white light combination of LED and phosphor light.11-03-2011
20130120963LOW PROFILE LIGHT HAVING CONCAVE REFLECTOR AND ASSOCIATED METHODS - A luminaire to be carried by a lighting fixture. The luminaire may include a housing, a primary optic disposed within the housing having a reflective inner surface defining an optical chamber, a light source, and a heat sink defining an aperture through which light may propagate. The light source may include a plurality of light-emitting diodes (LEDs). The luminaire may further include a secondary optic positioned adjacent to the light source that may collimate and/or refract light emitted by the light source, and may form a seal between the light source and the optical chamber. The luminaire may further include a color conversion layer configured to change the color of light emitted by the light source.05-16-2013
20130128493ILLUMINATION DEVICE - An illumination device with a toning function in which possibility of moisture and dust intruding into the case is reduced with a simple mechanism is realized. The illumination device includes a light emitting element light source (05-23-2013
20130128492LIGHTING DEVICE - There is provided a high brightness lighting device (05-23-2013
20130141891LIGHTING DEVICE INCLUDING LIGHT-EMITTING ELEMENT - In accordance with a first aspect of the present inventive subject matter, a lighting device includes light-emitting elements arranged in lines that are extended in parallel with one another, the light-emitting elements being divided into groups each including the same number of light-emitting elements, a first connecting electrode is disposed adjacent to one end portion of the lines extended, a second connecting electrode is disposed adjacent to another end portion of the lines extended, and the light-emitting elements within each group are electrically connected in series with one another by metallic wires and electrically connected in series to the first connecting electrode and to the second connecting electrode. The groups each include the same number of light-emitting elements that are electrically connected in parallel between the first connecting electrode and the second connecting electrode.06-06-2013
20110273864GREEN-EMITTING PHOSPHOR PARTICLES, METHOD FOR MANUFACTURING GREEN-EMITTING PHOSPHOR PARTICLES, COLOR CONVERSION SHEET, LIGHT-EMITTING DEVICE, AND IMAGE DISPLAY DEVICE ASSEMBLY - A method for manufacturing green-emitting phosphor particles including the steps of producing a powder containing europium and strontium from a solution containing a europium compound and a strontium compound, mixing the resulting powder and a powdered gallium compound, and performing firing.11-10-2011
20110273863LED light source - A LED light source includes: a LED member having a first light emitting surface and a second light emitting surface opposite of the first light emitting surface, a first fluorescent member provided on the first light emitting surface, and a second fluorescent member provided on the second light emitting surface. The LED light source is capable of greatly increasing the light emitting efficiency and reducing the cost and complexity of the heat dissipation construction.11-10-2011
20130100641LED Lamp - The present patent application discloses a LED lamp, including a substrate on which LED assemblies are mounted, the surface of LED assemblies being covered with transparent heat conductor and having blocking wall arranged around; the LED assemblies are further coupled with a transparent lampshade that has a reflective ring provided thereon, the LED assemblies are disposed in a sealed cavity constituted by the substrate and the transparent lampshade, and the phosphor mixture provided on the transparent lampshade is separated from the LED assemblies.04-25-2013
20110211334LIGHT EMITTING DEVICE PACKAGE AND LIGHT UNIT HAVING THE SAME - Disclosed are a light emitting device package and a light unit having the same. The light emitting device package includes a ceramic substrate; a light emitting device on the ceramic substrate; a first light-transmissive resin layer on the ceramic substrate to cover the light emitting device; and a phosphor layer on the first light-transmissive resin layer.09-01-2011
20110211332REFLECTOR ELEMENT FOR AN ELECTRIC LAMP AND LAMP WITH SUCH A REFLECTOR ELEMENT - A reflector element for an electric lamp is provided, wherein the reflector element is constructed in such a way that it is designed for photocatalysis and/or for color conversion of the light.09-01-2011
20110222264LIGHT EMITTING DEVICE AND ILLUMINATION APPARATUS - According to one embodiment, a light emitting device which is attached to an illumination apparatus and radiates light having a correlated color temperature of 2900 to 3600K is provided. The light emitting device includes a substrate, blue light emitting LED elements and red light emitting LED elements mounted on the substrate, and a wavelength converting unit. The red light emitting LED elements have a luminous intensity of 0.2 to 2.5 times as large as that of the blue light emitting LED elements at normal use temperature in a state where the light emitting device is attached to the illumination apparatus. The wavelength converting unit is excited by light emitted from the blue light emitting LED elements and converts the light to light having a peak wavelength within a range of 500 to 600 nm.09-15-2011
20080198573Illumination System Comprising Color Deficiency Compensating Luminescent Material - In order to improve the color rendition of solid-state illumination devices, an illumination system comprising a radiation source capable of emitting primary radiation and a luminescent material comprising a blend of a first phosphor capable of converting the primary radiation into a broad-band emission in the yellow range of the electromagnetic spectrum and a second phosphor capable of converting the primary radiation into a multiple narrow-band emission in the red and green range of the electromagnetic spectrum is provided.08-21-2008
20080198572LED lighting systems including luminescent layers on remote reflectors - A lighting system may include a substrate and a light emitting device (LED) on the substrate, and the light emitting device may be configured to transmit light having a first wavelength along a path away from the substrate. A remote reflector may be spaced apart from the light emitting device, and the light emitting device may be between the substrate and the remote reflector. The remote reflector may also be in the path of the light having the first wavelength transmitted by light emitting device. A luminescent layer may be on a surface of the remote reflector, and the luminescent layer may be configured to convert a portion of the light having the first wavelength to light having a second wavelength different than the first wavelength. Moreover, the remote reflector may be configured to reflect light having the first and second wavelengths.08-21-2008
20110255263SUB-ASSEMBLY FOR A LIGHT-EMITTING DEVICE PACKAGE AND A LIGHT EMITTING DIODE PACKAGE WITH FEATURES PREVENTING ENCAPSULANT DELAMINATION - A sub-assembly of a light-emitting device package and/or a light-emitting device package, the package comprising a cavity filled with an encapsulant, are disclosed with means preventing the encapsulant delamination. The means comprise an expansion volume within the light-emitting device package, together with means allowing the encapsulant to flow from the cavity into the expansion volume as the encapsulant expands, and to flow back into the cavity as the encapsulant contracts during heating and cooling of the light-emitting device package.10-20-2011
20130148328LIGHTING DEVICE - A lighting device may include a heat sink and a mounting surface provided a prescribed distance over the heat sink. A plurality of light emitting diodes may be provided on the mounting surface. The plurality of light emitting diodes may be positioned a prescribed distance from a point on the mounting surface. An enclosure having a prescribed shape may be provided over the mounting surface and the plurality of light emitting diodes. The enclosure may include luminescent material such that a wavelength of light emitted by the enclosure is different from a wavelength of light emitted by the plurality of light emitting diodes. A bulb may be provided over the heat sink to surround the enclosure.06-13-2013
20130100642LIGHT-DIFFUSION LED LAMP - The light-diffusion LED lamp according to the present patent application includes LED blue light chips and light-guiding column, wherein a substrate of the LED blue light chips is provided with a blocking wall made of reflective heat-conducting materials, chips thereof are provided within the blocking wall, and the upper surface of the substrate within the blocking wall is covered with a transparent heat-conducting layer. The lower portion of the transparent light-guiding column is attached with a cover plate, the bottom surface of which is provided with stepped grooves that match with the LED blue light chips, the side wall of the second stepped groove thereof and the upper surface of the cover plate are provided with a light reflective layer, the top surface of which is covered with a fluorescent layer, and the top portion of the transparent light-guiding column has a reflective structure mounted thereon.04-25-2013
20130094180COATED DIFFUSER CAP FOR LED ILLUMINATION DEVICE - The present disclosure provides an illumination device. The illumination device includes a light emitting device (LED) on a substrate. A heat sink is thermally connected to the LED device. A cap is secured over the substrate and covers the LED device. The cap includes a coating material that comprises both diffusion and reflection characteristics.04-18-2013
20090141476Illumination Apparatus and Methods of Forming the Same - In one aspect, an illumination apparatus includes a waveguide, embedded in which are a light-emitting source and a photoluminescent material. Output light is emitted from at least a portion of a first surface of the waveguide.06-04-2009
20120275135ILLUMINATING DEVICE - An illuminating device comprises one or more luminescent devices (11-01-2012
20130182409LIGHT-EMITTING ARRANGEMENT WITH ORGANIC PHOSPHOR - The invention provides a light-emitting arrangement (07-18-2013
20130182410REFLECTIVE COLOR PIXEL - A reflective color pixel includes a first sub-pixel and a second sub-pixel. The first sub-pixel is for generating a first color. A color conversion layer extends through the first sub-pixel and the second sub-pixel and is disposed in a waveguide. The color conversion layer contains a luminescent material, which converts a portion of light incident on the second sub-pixel into light of the first color. The waveguide guides the light of the first color generated by the luminescent material to the first sub-pixel for emission from the first sub-pixel.07-18-2013
20100315802Optical system for a Light Emitting Diode with collection, conduction, phosphor directing, and output means - An optical system with an LED light source utilizes a base with an inverted conical shape to conduct light to a phosphor layer. The phosphor layer emits light from both upper and lower surfaces. The base and a substantially mirror image cap element facilitate efficient extraction of the phosphor-generated light from the optical system so that the output of the system is omni-directional light suitable for common lighting applications. The system is very efficient in that nearly all the light generated by the LED is transmitted to the phosphor layer, and nearly all the light emitted from the phosphor layer is output from the system.12-16-2010
20130155647LIGHTING DEVICE - A lighting unit emits light with an intensity in the wavelength from 430 to 510 nm that is maximum at 460 nm and minimum in the range from 490 to 500 nm, an intensity in the wavelength from 510 to 600 nm that is maximum in the range from 530 to 545 nm and minimum in the range from 570 to 580 nm, and an intensity in the wavelength of 600 nm or greater that is maximum in the range from 620 to 640. The lighting unit illuminates meat with light having a feeling of contrast index (FCI) of 135 to 145 and the illuminated meat has a metric hue angle from 54 to 56 and a color shift Duv from 0 to 5.06-20-2013
20130155646LED TUBULAR LAMP - A LED tubular lamp has a luminous tube, a center column, a plurality of LED chips, fixtures, connective plates and lamp heads; a plurality of grooves are provided on the center column, materials having high reflectivity are provided on the grooves, the plurality of LED chips are arranged on the grooves so as to form a light source with 360-degree light irradiation, the center column is provided in the luminous tube and fixedly connected to lamp heads via the fixtures and the connective plates. The LED tubular lamp can emit light at an angle of 360 degrees, thereby increasing the range of the irradiation of the luminous tube, making light more even and the problem of glaring being solved.06-20-2013
20130155648COLOUR-TUNABLE LIGHT SOURCE UNIT WITH PHOSPHOR ELEMENT - The invention concerns a light source unit of tunable spectral properties, having a pump light source and a phosphor element for a conversion of pump light into converted light intended for illuminating a target, wherein the phosphor element has at least two phosphor element sections interacting differently with pump light, and wherein the light source unit further comprises a deflecting unit, such as a zoom lens or a variable diffraction grating, for deflecting the pump light so as to vary a distribution of pump light incident onto the phosphor element with respect to the different phosphor element sections, in order to vary spectral properties of the combined converted light beam emanating from the light source unit.06-20-2013
20130155649Phosphor Device and Lighting Apparatus Comprising the Same - A phosphor device (06-20-2013
20120281389LIGHT SOURCE WITH SECONDARY EMITTER CONVERSION ELEMENT - A light source is disclosed. The light source includes a primary excitation source configured to emit electromagnetic radiation at a first peak wavelength and a band of wavelengths around the first peak wavelength. A secondary emitter conversion element is optically coupled to the primary excitation source and is configured to absorb at least a portion the electromagnetic radiation at the first peak wavelength from the primary excitation source and emit electromagnetic radiation at a second peak wavelength and a band of wavelengths around the second peak wavelength. The second peak wavelength is longer than the first peak wavelength. A non-imaging optical coupler is optically coupled to the secondary emitter conversion element. An optical system includes the light source optically coupled to a transparent rod.11-08-2012
20120281387Structure of light-emitting diode - A structure of light-emitting diode includes a base, a circuit board, at least one light emission chip, a light-transmitting resin layer, and a light adjustment film. The base forms a cavity. The circuit board is mounted at a bottom of the cavity. The light emission chip is electrically connected to the circuit board. The light-transmitting resin layer is received in the cavity and bonded to the circuit board to encapsulate the light emission chip. The light adjustment film is separately provided and is set on a top of the light-transmitting resin layer and contains therein uniformly distributed powders of phosphor to allow the light-emitting diode to project uniform light. As such, the light adjustment film is made separately to facilitate uniform distribution of phosphor and thus helps improving quality of customized product to have the color light emitting therefrom according to a desired specification and concentrated, and also facilitating encapsulation operation to form light-emitting diodes that give off different color lights.11-08-2012
20130182407TUBE TYPE LED LIGHTING ASSEMBLY - An LED lighting assembly includes a concave reflector, a supporter located in a central region of the concave reflector, and multiple LEDs mounted on the supporter. The supporter has a first face and a second face, and an angle is formed between the first face and the second face.07-18-2013
20130182408LIGHT EMITTING DEVICE PACKAGE - A light emitting device package is disclosed. The light emitting device package includes a light emitting device, a body that includes first and second lead frames electrically connected to the light emitting device and has a cavity disposed on the first and second lead frames, and a resin material that fills the cavity and includes a main material having a vinyl group (—CH═CH07-18-2013
20130120965SINGLE CHAMBER LIGHTING DEVICE - A lighting device (05-16-2013
20110310587ULTRA-HIGH EFFICACY SEMICONDUCTOR LIGHT EMITTING DEVICES - A semiconductor light emitting apparatus includes an elongated hollow wavelength conversion tube that co mprises an elongated wavelength conversion tube wall having wavelength conversion material such as phosphor dispersed therein uniformly or non-uniformly. The tube need not be cylindrical. A semiconductor light emitting device is oriented to emit light inside the elongated hollow wavelength conversion tube to impinge upon the elongated wavelength conversion tube wall and the wavelength conversion material dispersed therein.12-22-2011
20130188334LIGHT SYSTEM WITH INCREASED EFFICIENCY - A light system based on at least two chips, in particular LEDs containing chips, wherein a means for at least partially converting the radiation of a first chip is provided, wherein a layer containing a phosphor as conversion means is mounted in front of a first chip intended for the conversion, which phosphor-containing layer convers at least some of the primary radiation of the first chip into secondary radiation, wherein the second chip emits radiation with a greater wavelength than the first chip, wherein the layer is arranged spaced apart from the first chip, wherein the second chip is arranged in such a way that its radiation is substantially not absorbed by the phosphor.07-25-2013
20130188330DUAL CHARACTERISTIC COLOR CONVERSION ENCLOSURE AND ASSOCIATED METHODS - A light converting device includes a wide production conversion material and a narrow production conversion material to convert the source light into a first and second interim light, respectively. The conversion materials may be included in, or applied to, an enclosure. The first and second interim light may be included in a converted light. The converted light may be included with the source light to create a white light. The wide production conversion material may have wide absorption and scatter characteristics. The narrow production conversion material may have narrow absorption and scatter characteristics to substantially reduce inefficiencies caused by double conversion of light.07-25-2013
20130188332ILLUMINATION APPARATUS FOR DAZZLE-FREE ILLUMINATION, METHOD, USE AND ARRANGEMENT COMPRISING THE ILLUMINATION APPARATUS - It is an object of the invention to provide an improved illumination apparatus for the dazzle-free illumination of a region monitored by a night vision instrument.07-25-2013
20130188333LED LIGHT BULB - In one embodiment, an LED light bulb includes an LED module, a base part on which the LED module is disposed, and a globe attached to the base part. The LED module includes an ultraviolet to violet light-emitting LED chip mounted on a surface of a substrate. The globe has a shape in which a cross section in a direction in parallel to the surface of the substrate is circular. A phosphor screen emitting white light by absorbing the ultraviolet to violet light emitted from the LED chip is provided on an inner surface of the globe. The globe has a shape in which a diameter D07-25-2013
20120020051ILLUMINATION SYSTEM WITH REMOTE PHOSPHOR LAYER AND/OR SCATTERING LAYER - The invention relates to an illumination system (01-26-2012
20130194779LIGHTING SOURCE USING SOLID STATE EMITTER AND PHOSPHOR MATERIALS - A light emitting apparatus has a light source for emitting a first light in a forward direction. A wavelength-converting layer is spaced apart from the light source and disposed in a path of the first light. The wavelength-converting layer is configured to absorb at least a portion of the first light and emit a second light. A reflective layer is configured to be reflective of at least the second light, and the wavelength-converting layer is disposed between the reflective layer and the light source.08-01-2013
20130194777Luminescent Device for the Conversion of Pump Light - A luminescent device is disclosed comprising a luminescent substance for the conversion of pump light, wherein a scattering body which scatters the pump light is provided. The pump light input into the scattering body may first be scattered at inert scatterers provided in the scattering body and subsequently converted. Light scattered at luminescent particles may also be simultaneously converted.08-01-2013
20130194778SENSOR DEVICE WITH INDICATOR AND RELATED METHODS - Devices and methods for providing sensor indication are disclosed. The sensor device includes utilizing the signal to activate a light source, transmitting light into a first indicator layer with the light source, and the first indicator layer optionally includes a fluorophore. The indicator layer provides visibility of light around the sensor device.08-01-2013
20120033404ILLUMINATION DEVICE - An illumination device includes a base, a light-emitting module, a first layer, and a second layer. The light-emitting module is disposed on the base for generating a progressive-type light-emitting intensity. The first layer encapsulates the light-emitting module. The second layer encloses the first layer. The second layer has a progressive-type thickness corresponding to the progressive-type light-emitting intensity, and both the progressive-type light-emitting intensity and the progressive-type thickness are decreased or increased gradually, thus the progressive-type light-emitting intensity can be transformed into the same light-emitting intensity through the progressive-type thickness of the second layer.02-09-2012
20130201655LIGHT EMITTING DEVICE - A light emitting device comprises a light emitting element disposed within a space surrounded by a reflective surface of a reflector disposed on a board. A lower portion of the reflector is placed within a recess formed in the board, and a side wall of the recess is interposed between the lower end of the reflective surface of the reflector and the light emitting element.08-08-2013
20130201654LIGHTING DEVICE AND METHOD OF MAKING LIGHTING DEVICE - A lighting device comprises a solid state light emitter on a circuit board, and an optic held in place relative to the first circuit board, a voltage drop across the emitter at least 60 volts. A lighting device comprises a solid state light emitter on a first circuit board, an optic held in place relative to the first circuit board, and a non-isolated power supply. A lighting device comprises a solid state light emitter on a first circuit board, and a flame-rated optic held in place relative to the first circuit board. An optic, comprising a translucent region, a first dimension not larger than about 10 mm, a second dimension not larger than 15 mm. A flame-rated optic comprising a translucent region, structure configured to hold the optic in place relative to a circuit board. Methods of making lighting devices.08-08-2013
20120300432LED LAMP, LED ILLUMINATION DEVICE, AND LED MODULE - An LED lamp provides a strong red color with a natural appearance. The LED lamp is provided with an LED module and a filter. The LED module includes a blue LED with a main emission peak in the 440 nm to 460 nm wavelength band, a green/yellow phosphor that is excited by light emitted by the blue LED, and a red phosphor that is excited by light emitted by at least one of the blue LED and the green/yellow phosphor. The filter reduces the spectral radiation intensity of at least a portion of the 570 nm to 590 nm wavelength band among light emitted by the LED module.11-29-2012
20120300431LIGHT EMITTING DEVICE - A light emitting device includes: a substrate having a bar shape; a plurality of light emitting elements separately mounted in a lengthwise direction of the substrate on an upper surface of the substrate; and a light-transmissive cover formed to be upwardly convex, having one or more localized concave portions, and installed on the substrate to cover at least two of the plurality of light emitting elements together.11-29-2012
20120300430LIGHT-EMITTING MODULE AND LIGHTING APPARATUS - According to one embodiment, a light-emitting module includes a light-transmissive substrate, an LED chip arranged on one surface of the light-transmissive substrate, and a phosphor layer surrounding the LED chip. The phosphor layer includes a first phosphor layer covering one surface of the LED chip and a second phosphor layer covering the other surface side of the light-transmissive substrate and being continuous with the first phosphor layer.11-29-2012
20130208442LIGHTING DEVICE INCLUDING MULTIPLE WAVELENGTH CONVERSION MATERIAL LAYERS - A lighting device includes an electrically activated emitter, a first layer that contains a first lumiphoric material, and a second layer that contains a second lumiphoric material, with a textured interface between the first layer and the second layer. Additional lumiphoric material layers, spacer layers, and/or encapsulant layers may be provided. Multiple textured interfaces may be provided. Textured interfaces may be arranged as lenses, including Fresnel lenses.08-15-2013
20130208443Indirect excitation of photoreactive materials coated on a substrate with Spectrum Simulation - A remote phosphor light which simulates the spectrum of a specified real world light, e.g. a tungsten or a daylight bulb.08-15-2013
20130208445Modified bodipy dye matrix - The present disclosure is directed towards a modified BODIPY dye matrix, luminescence-based pixels, luminescence-based sub-pixels, and methods using a modified BODIPY dyes. The modified BODIPY dye matrix includes a modified BODIPY dye and a polymer matrix including a radiation absorber.08-15-2013
20130208444Rechargeable Self-Illuminating Sticks And Charging Devices For Charging The Same - A self-illuminating stick includes a phosphor embedded in a solidified polymeric binder. The phosphor can absorb energy to emit electromagnetic radiation having one or more of an ultraviolet wavelength, a visible light wavelength, and an infrared wavelength. A charging device for enclosing a self-illuminating stick and providing the self-illuminating stick with electromagnetic radiation to charge the phosphor is disclosed.08-15-2013

Patent applications in class LIGHT SOURCE OR LIGHT SOURCE SUPPORT AND LUMINESCENT MATERIAL