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Different wavelengths

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362 - Illumination

362227000 - PLURAL LIGHT SOURCES

362230000 - Particular wavelength

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DocumentTitleDate
20130044474PLANT ILLUMINATION DEVICE AND METHOD FOR DARK GROWTH CHAMBERS - An improved method to produce artificial light for plant cultivation, an illumination device with a semiconductor light emission solution and device suited for plant cultivation in a greenhouse and/or dark growth chamber environment are described. The best mode is considered to be a lighting device with LEDs that produces an emission spectrum similar to the photosynthetically active radiation (PAR) spectrum in a dark growth chamber. The methods and arrangements allow more precise spectral tuning of the emission spectrum for lights used in plant (02-21-2013
20130044473LIGHT EMITTING DEVICE - A light emitting device according to embodiments has: a substrate; first light emitting units arranged along a first straight line on the substrate; second light emitting units arranged along a second straight line on the substrate, the second straight line being parallel to the first straight line, the second light emitting units having an emission color different from the first light emitting units; and third light emitting units arranged along a third straight line on the substrate, the third straight line being parallel to the first and second straight lines, the third light emitting units having an emission color different from the first and second light emitting units, wherein a distance between light emitting units of a same emission color is longer than a minimum distance between light emitting units of different emission colors.02-21-2013
20130044472LIGHT-EMITTING DEVICE FOR BACKLIGHT SOURCE - A light-emitting device includes a substrate, a first light-emitting member and a second light-emitting member mounted on the substrate. The first light-emitting member emits first light having a first color temperature. The second light-emitting member emits second light having a second color temperature. The second color temperature is higher than the first color temperature. The first light mixes with the second light making the light-emitting device to produce a light having a wider range of color temperature.02-21-2013
20080273323Luminaire With Main Light Source and Additional Light Source - A luminaire contains a main light source the light of which is emitted by the luminaire, and an additional light source the light of which is mixed with the light of the main light source before the emission thereof. In accordance with the invention a part of the light issued by the additional light source is, with respect to the light emitted by the main light source, issued by the luminaire housing directed to the side or to the rear side.11-06-2008
20100020536LIGHTING SYSTEM FOR GROWING PLANTS - A lighting system includes a first LED array which includes a plurality of LED sub-arrays, and a plurality of inputs operatively coupled to a corresponding LED sub-array through a controller. The intensity of light emitted by the LED sub-arrays is adjustable in response to adjusting input signals provide by the inputs. In this way, the intensity of light emitted by the LED sub-arrays is adjustable, in response to adjusting the input signals, to drive a wavelength spectrum of the first LED array to match the action spectrum of a physiological activity of a plant.01-28-2010
20090196031Method and Apparatus for Providing Selectively Colored Light - An apparatus for providing selectively-colored light is disclosed. The apparatus includes a circuit having a plurality of diodes each including an anode and a cathode, wherein the plurality of diodes include a first diode that emits a first light defined by a first wavelength, a second diode that emits a second light defined by a second wavelength, and a third diode that emits a third light defined by a third wavelength, wherein a summation of one or more of the first, second and third light defines a selectively-colored light; and a controller including a first output connected to the anode of the first diode, and the cathode of the second diode, a second output connected to the cathode of the first diode, the anode of the second diode, and the anode of the third diode, and a third output connected to the cathode of the third diode. A method is also disclosed.08-06-2009
20080259598LIGHT EMITTING DEVICE - The device includes a blue light emitting region having a first light emitting part and a yellow light emitting region having a second light emitting part and a wavelength converting member arranged to absorb light from the second light emitting part and to convert the wavelength thereof to emit yellow light. The second light emitting part has a higher output than that of the first light emitting part. With this arrangement, output of the yellow light can be increased, so that the device can be used in an image reading apparatus with a high sensitivity.10-23-2008
20120099304LIGHT SOURCE ASSEMBLY AND TOUCH SCREEN DEVICE HAVING THE SAME - A light source assembly includes first light sources emitting first light in a first wavelength range, second light sources emitting second light in a second wavelength range which is at least partially different from the first wavelength range, and an optical member on which light emitted from the first light sources and the second light sources is incident. A distance between adjacent first light sources, and a distance between adjacent second light sources is defined as an average pitch. The average pitch of the second light sources arranged in a specific direction, is larger than the average pitch of the first light sources arranged in the specific direction. The optical member has a reflectance with respect to the second light, which is larger than a reflectance with respect to the first light.04-26-2012
20090122532METHOD FOR CHANGEOVER BETWEEN MIXED LIGHT COLORS - A transition from one mixed color to another, the target color locus (Z) in a color system such as e.g. the standard chromaticity diagram (CT), is effected along a stored path (pi) from a succession of color loci which avoids undesired color mixing regions. A change between target color loci (Z) is effected from an instantaneously attained color locus (A05-14-2009
20090122531MULTI-WAVELENGTH LIGHT SOURCE DEVICE - A multi-wavelength light source device includes three light source devices. The light source device includes a plurality of light emitting elements, and a dispersing section making wavelengths of light beams emitted from the respective light emitting elements different from each other, a spectral line width of the emitted light beam in each of the light source devices is equal to or greater than 0.2 nm, a wavelength of the red light beam in the light source device for emitting the red light beam is greater than 612 nm, a wavelength of the green light beam in the light source device for emitting the green light beam is greater than 525 nm and smaller than 538 nm, and a wavelength of the blue light beam in the light source device for emitting the blue light beam is greater than 465 nm and smaller than 468 nm.05-14-2009
20100157587LIGHT-EMITTING UNIT AND ELECTRONIC DEVICE USING THE SAME - A light-emitting unit having a plurality of LED light sources (06-24-2010
20100118528LED CYCLORAMA LIGHT - A cyclorama light includes a generally enclosed housing forming an interior compartment having a normally horizontal housing axis and an open front defining a window generally arranged within a plane parallel to said axis. A reflector substantially covers the window and has an operative portion that has a substantially uniform cross-section along the housing axis. An LED light emitter array extends along a line substantially parallel to the housing axis, the reflector having a surface configuration and the LED array being arranged in relation to the reflector surface to provide a higher flux density directed toward a far end of a wall or surface to be illuminated and provide a lower flux density directed toward a direction of the near end of the surface to be illuminated, generating a transition flux density between the far and near ends of the surface to be illuminated. The LED array and/or the reflector have optical features for eliminating shadows in the projected light over the entire illuminated surface.05-13-2010
20100073924LED LAMP - A light source may include and/or involve multiple LEDs arranged at positions in a first vertical plane, and multiple LEDs arranged at positions in a second vertical plane, the positions in the second vertical plane being non-overlapping with the positions in the first vertical plane.03-25-2010
20130077299HIGH VOLTAGE ARRAY LIGHT EMITTING DIODE (LED) DEVICES, FIXTURES AND METHODS - High voltage array light emitting devices, fixtures and methods are disclosed. In one embodiment a light emitting device can include a submount, a light emission area disposed over the submount and a retention material adapted to be dispensed about the light emission area. The light emitting device can be operable at high voltages which are greater than approximately 40 volts (V). In one aspect, the retention material can be least partially disposed within the light emission area such that the retention material physically separates a first section of the light emission area from a second section of the light emission area.03-28-2013
20130083519Display Apparatus, Electrical Appliance and Display Method - A display apparatus for an electric hob may have a colored, such as reddish-brown, hob plate, which may be composed of glass ceramic and have an inhomogeneous transmission profile for light with high transmission in the region of wavelengths of greater than 700 nm and with low transmission in the region below 700 nm. The display apparatus may have one light source with a defined output spectrum. The color locus of the light source may be shifted to the left starting from white and have a blue tinge. This configuration may provide a display that is visible or that correspondingly lights up as a substantially white illuminated display through the colored cover.04-04-2013
20130039053ILLUMINATING DEVICE - In an embodiment, an illuminating device includes a light source, a light source control unit, an estimation unit, a first calculating unit, and a second calculating unit. The light source includes light emitters, each having a different spectral distribution. The light source control unit determines an emission intensity of each of the light emitters. The estimation unit estimates a spectral reflectivity of an object. The first calculating unit calculates a first evaluation value, indicating an adequacy of a color of the object visually perceived, based on the spectral distributions and the spectral reflectivity. The second calculating unit calculates a second evaluation value, indicating how much an influence is given by the illuminating light to factors other than a visual sense. The light source control unit determines the emission intensities by which the first evaluation value and the second evaluation value satisfy a restraint condition determined beforehand.02-14-2013
20100103660Array layout for color mixing - Lamps, luminaries or solid state lighting components are disclosed having multiple discrete light sources whose light combines to provide the desired emission characteristics. The discrete light sources are arranged in an array pursuant to certain guidelines to promote mixing of light from light sources emitting different colors of light. One embodiment solid state lighting component comprises a light emitting diode (LED) component having an array of LED chips having a first group of LED chips and one or more additional groups of LED chips. The array is arranged so that no two LED chips from said first group are directly next to one another in the array, that less than fifty percent (50%) of the LED chips in the first group of LEDs is on the perimeter of the array, and at least three LED chips from the one or more additional groups is adjacent each of the LED chips in the first group.04-29-2010
20130033861Retrofit LED light Panel - An LED retrofit and kit for existing fluorescent light fixtures. The kit provides a quick and easy way to upgrade existing fluorescent lights to LED lights.02-07-2013
20100110672SYSTEM, METHOD AND TOOL FOR OPTIMIZING GENERATION OF HIGH CRI WHITE LIGHT, AND AN OPTIMIZED COMBINATION OF LIGHT EMITTING DIODES - The present invention relates to a system, method and tool for optimizing combination of Light Emitting Diodes (LEDs), and to an optimized combination of LEDs. The system and method provide a plurality of LEDs and corresponding specifications. Then, a color temperature and a color rendering index are selected. Calculations are performed for subgroups of LEDs. At least one optimized combination of LEDs having an optimized corresponding luminous flux is identified according to selected color temperature, color rendering index and LEDs' specifications. In another aspect, the present invention relates to a tool for optimizing white light generated by a combination of LEDs. The tool comprises a repository for storing specifications for the combination of LEDs, a selection module for selecting at least one of the following parameters: a color temperature, a color rendering index and a maximum shift variance from a black body locus, and a processing module for calculating for subgroups of LEDs resulting color temperature, color rendering index, luminous flux, and for identifying an optimized selection of LEDs. The present invention also relates to an optimized combination of LEDs for producing white light with high color rendering index, the combination of LEDs excluding blue LEDs.05-06-2010
20090154154Device for Producing Isotropic Ambient Light - The invention concerns a device for producing isotropic ambient light, comprising: at least one extended light source including several punctual light sources spaced apart along two orthogonal axes; a waveguide for propagating by total reflections in a propagating direction perpendicular to the plane, the light beams produced by the punctual light sources; and means for scattering the light in the waveguide output. The dimension of the waveguide along said propagating direction is further sufficient to allow the light intensity curve which is detected, for each light source, in the waveguide output along one of the two axes and in a detecting range corresponding to the waveguide output section along said axis, to have a maximum value (Imax) and a minimum value (Imin) which satisfy the following criterion of quasi-uniformity (Imax−Imoy)≦0.3 Imoy and (Imoy−Imin)≦0.3 Imoy, Imoy being the average value of the light intensity levels detected along said axis.06-18-2009
20090154153LED PROJECTOR LAMP - An LED projector lamp includes, in succession along an optical axis thereof, a lamp holder, an LED light source, a light-mixing lens and a cover lens. The LED light source has LED chips arranged inside the lamp holder around the optical axis for emitting different wavelengths of light. The light-mixing lens has a structural surface with parallel lines of protrusions facing the cover lens such that such that the emitted light rays of the LED chips that pass through the structural surface are scattered at least one time and then pass through the cover lens. As a result, the emitted different wavelengths of light can be well mixed before going to the outside of the LED projector lamp.06-18-2009
20090141491Inflatable Lighting and Display Apparatuses and Systems - The present invention discloses a inflatable apparatus to provide inflatable display to external viewers. The present invention, in one aspect, is an inflatable lighting apparatus includes an inflatable structure, a plurality of light sources disposed on the exterior of the inflatable structure, and at least one mixing device. The mixing device mixes light emitted by the plurality of light sources. The inflatable apparatus provides indirect viewing for a viewer and each light source represents a pixel in video display. By providing the indirect viewing, even the viewer is close to the light apparatus, the pixel will be shown as a single color dot to the viewer. A system consists of a plurality of inflatable lighting apparatus is also disclosed.06-04-2009
20100110673LUMINAIRE WITH LEDS - A luminaire comprises a light guiding layer (05-06-2010
20090196032ILLUMINATED SIGN DISPLAY ASSEMBLY - The invention discloses an illuminated sign display assembly including a transparent substrate, a multilayer circuit structure, a light reflecting casing, and at least one light emitting unit. The multilayer circuit structure is disposed on the transparent substrate, and a hollow portion is formed on the multilayer circuit structure. The light reflecting casing is fixed on the transparent substrate by a welding process and covers the hollow portion of the multilayer circuit structure. The light emitting unit is disposed on the transparent substrate and located in the light reflecting casing. The light reflecting unit is electrically connected to the multilayer circuit structure. Once the multilayer circuit structure is powered on, the light emitted by the light emitting unit will be reflected by the light reflecting casing and then passes through the hollow portion of the multilayer circuit structure and the transparent substrate, so as to form an illuminated sign.08-06-2009
20100328935MULTICOLOR LIGHTING SYSTEM - A system for displaying multiple colors individually or in combination with one another. The system may emit red, green and blue light from light emitting diodes and may additionally provide white light to brighten the color provided by the red, green and blue light emitting diodes. The white light source may also be used to increase the power efficiency of the system, thus increasing the lifetime of the system for displaying multiple colors. The white light source may be used to backlight the color provided by the red, green and blue light emitted by the light emitting diodes, or may also be used as an additional light source to the light provided by the red, green and blue light emitting diodes.12-30-2010
20120182730LED BEACON - An LED beacon has a plurality of LEDs for emitting light of the same or different colors mounting along an upright member within an optical system. To provide a beacon illuminating selectively in one or more colors, the plurality of LEDs are in different groups of two or more LEDs, at least one LED in each group being of a different color. Each group of LEDs are mounted together circumferentially spaced from each other around a central axis. Each of the LEDs when activated projects light there from through the optical system provided by a collimating lens and a condensing, coupling lens. The optical system provides enhanced illumination distributed in a cylindrical beam emanating from the collimating lens. By selectively activating LEDs of the same colors or different color at different times different sequences or patterns may be generated.07-19-2012
20130070451DISPLAY ASSEMBLY COMPRISING A GLASS-CERAMIC PLATE - Display assembly 03-21-2013
20130070453DISPLAY DEVICE - A display device is provided with a plurality of solid-state light sources (03-21-2013
20130070450LED LIGHT BULB WITH CONTROLLED COLOR DISTRIBUTION USING QUANTUM DOTS - A liquid-cooled LED bulb including a base and a shell connected to the base forming an enclosed volume. The liquid-cooled LED bulb also includes a plurality of LEDs attached to the base and disposed within the shell. The LED bulb also includes a thermally-conductive liquid held within the enclosed volume and a quantum dot material for adjusting the wavelength of light emitted from LED bulb.03-21-2013
20130070452LEAD FRAME, WIRING BOARD, LIGHT EMITTING UNIT, AND ILLUMINATING APPARATUS - Provided is lead frame in which a wiring pattern supported by a support piece inside of a one-pitch outer frame section comprises a plurality of base units, each of which comprises a die pad on which a solid-state light emitting element is mounted, a heat sink extending from die pad so as to surround die pad electrically connected to one electrode of the element, and a lead electrically connected to the other electrode of the element. Lead of one base unit among adjacent base units and heat sink of the other base unit are coupled and electrically connected in series. Increase in temperature of the element is inhibited, light output is increased, and cost of a light emitting unit in which a plurality of solid-state light emitting elements connected in series are used is reduced. Also provided are wiring board, light emitting unit, and illuminating apparatus.03-21-2013
20130070449HIGH RECYCLING EFFICIENCY SOLID STATE LIGHT SOURCE DEVICE - A light source device includes a LED light source or a wavelength conversion material having a near Lambertian light emitting surface. The light source device includes a light recycling system to reflect small-angle lights (lights closer to the normal direction of the light emitting surface) back to the light source, and a collection system for collecting and outputting large-angle lights (lights farther away from the normal direction). The lights reflected by the light recycling system is scattered by the emitting surface in all directions, where the large-angle scattered lights are collected by the light collection system and the small-angle scattered light is reflected by the light recycling system again. A second excitation light source without wavelength conversion material or a second light source with its own wavelength conversion material may be provided, and the second light is directed to the light emitting surface by appropriate optical components.03-21-2013
20130051004LIGHTING MODULE - A lighting module is provided. The lighting module comprises a circuit board, a first light source array, a second light source array, and a plurality of first light guides. The first light source array is disposed on the circuit board and comprises a plurality of first solid light emitting semiconductors providing a first light with a first wavelength. The second light source array is disposed on the circuit board and comprises a plurality of second solid light emitting semiconductors providing a second light with a second wavelength. The first light guides are disposed on the circuit board and between the second solid light emitting semiconductors. The second solid light emitting semiconductors are located on a side of each of the first light guides, respectively, so that the second light emitted by the second solid light emitting semiconductors enters the first light guides to be uniformly emitted.02-28-2013
20130051003LED Lighting Device with Efficient Heat Removal - 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 having at least one opening, an output globe having at least one opening, and at least one ventilation channel. This channel helps to remove heat from the LED lighting device. An active cooling device is further installed inside the channel for very efficient heat removal. As a result, even at high luminous output, the LED lighting device is kept in a relatively small form factor. In some preferred embodiments, remote wavelength conversion luminescent phosphor particles or color mixing are utilized to achieve warm white lighting with high efficacy and high color rendering index (CRI). The LED lighting device has high luminous output, glare-free illumination, omni-directional distribution, and good color reproduction.02-28-2013
20100002428ILLUMINATION DEVICE - The present invention relates to an illumination device, comprising a white LED, a red LED and a colour filter A hight colour rendering index (CRI, Ra) and a high value of R9 (for strong red) can be obtained. One application is medical lighting, for example for surgical lights.01-07-2010
20090080185LED multi-chip lighting units and related methods - Light emitting device multi-chip lighting units and related methods are disclosed. According to one aspect, a white LED chip, a red LED chip, a blue LED chip, and a green LED chip are operably configured to a semiconductor substrate positioned within a lighting unit housing. The lighting unit can therefore provide a white light beam, a red light beam, a green light beam, and a blue light beam. The LED chips can be configured on the substrate such that the emitted light beams can overlap. Thus, in addition to the white LED chip providing a white light beam, the red LED chip, the blue LED chip, and the green LED chip can be actuated simultaneously with the white LED chip to combine and emit a more powerful and intense white light beam. Additionally, the red LED chip, the blue LED chip and the green LED chip can be actuated simultaneously to emit an intermediary intensity white light beam from the lighting unit.03-26-2009
20090303709Blended Color LED Lamp - An LED based light bulb comprises a ring 12-10-2009
20090303708Illumination System - An illumination system comprising at least two closely arranged light sources, each emitting a unique light spectrum during operation, and an optical system (12-10-2009
20090303707Light Source Transforming Apparatus and Light Source Apparatus Comprising the Same - A light source transforming apparatus and a light source apparatus comprising the same are provided. The light source apparatus comprises at least one light source and a light source transforming apparatus. The light source transforming apparatus comprises at least one light guiding medium and color-combining medium. The light source transforming apparatus is configured to receive incident light of the at least one light source and then transform the incident light into emergent light emitted from the color-combining medium and into a light integrator, wherein a divergent angle of the incident light is larger than a divergent angle of the emergent light, and a incident area of the light source is smaller than an emergent area of the color-combining medium.12-10-2009
20090303706WAVE LENGTH LIGHT OPTIMIZER FOR HUMAN DRIVEN BIOLOGICAL PROCESSES - The present invention provides a system for optimized illumination of biological processes, wherein said system comprises a LED (Light Emitting Diode) or LEDs and a tridimensional enclosure or tridimensional enclosures, which allows ideal distribution of lighting with specific light wavelengths, low power energy consumption and low heat generation. The system of the present invention permits using specific light wavelengths in alternating or cycling ways, as well as easy-to-set light-dark cycles.12-10-2009
20120218750PLANT GROWTH LIGHTING DEVICE AND METHOD - Embodiments described herein provide systems and methods for promoting plant growth that combine beam angle control with spectral control. In one embodiment, an optical device can be configured to emit multiple colors of light at particular wavelengths. The optical device may also be configured to generate an emission spectrum with multiple peaks. The spectrum can be selected based on stimulating biological processes of a plant.08-30-2012
20120218749LIGHTING-EMITTING DEVICE - A light-emitting device including a substrate and a plurality of the semiconductor light-emitting diode dice having dominant wavelengths between 440 nm and 490 nm is disclosed. The semiconductor light-emitting diode dice are disposed on the substrate and electrically connected to the substrate. The difference in the wavelength of the semiconductor light-emitting diode dice between the maximum dominant wavelength and the minimum dominant wavelength is at least 10 nm and the average dominant wavelength is between 450 nm and 470 nm. Therefore, by the above arrangement, it not only homogenizes the light emitted from the light-emitting device of the present invention, but also depletes the surplus stocks of the semiconductor light-emitting diode dice on the production line.08-30-2012
20100097794LED lamp structure for reducing multiple shadows - An LED (Light-Emitting Diode) lamp structure for reducing multiple shadows comprises a supporting element, LED light sources and a first reflector. The LED light sources are arranged on the supporting element and the first reflector is arranged in light paths of the LED light sources so that lights emitted from the LED light sources can be scattered or diffused (reflected) by the first reflector toward all directions. An object that is placed under the LED lamp structure can be illuminated by the lights while production of multiple shadows of the object can be reduced.04-22-2010
20090091928IMAGE DISPLAY APPARATUS THAT REDUCES ILLUMINANCE IRREGULARITY, PROJECTION-TYPE IMAGE DISPLAY APPARATUS USING THE IMAGE DISPLAY APPARATUS AND REAR-PROJECTION TELEVISION - An illumination apparatus includes: a light source including at least one light-emitting element, the light-emitting element being configured to emit light and having an uneven light distribution characteristic; a coupling optical system disposed corresponding to the light source and configured to convert the light emitted from the light source into substantially parallel light; a light condensing optical system configured to condense the light from the light source, converted into the substantially parallel light by the coupling optical system, at a predetermined focal position; an illuminated surface as an object to be illuminated by the light from the light source condensed by the light condensing optical system; and an optical element disposed between the coupling optical system and the light condensing optical system, and configured to reduce irregular distribution of an amount of light on the illuminated surface caused by the light distribution characteristic of the light-emitting element.04-09-2009
20130058081ILLUMINATION DEVICE WITH LIGHT EMITTING DIODES AND MOVABLE LIGHT ADJUSTMENT MEMBER - A light emitting device is produced using one or more light emitting diodes within a light mixing cavity formed by surrounding sidewalls. The light emitting device includes a light adjustment member that is movable to alter the shape or color of the light produced by the light emitting device. For example, the light adjustment member may alter the exposure of the wavelength converting area to the light emitted that is emitted by the light emitting diode in the light mixing cavity. Alternatively, the height of a lens may be adjusted to change the width of the beam produced. Alternatively, a movable substrate with areas of different wavelength converting materials may adjustably cover the output port of the light mixing cavity to alter the color point of the light produced.03-07-2013
20130058080LED LIGHT BULB AND LED LIGHT-EMITTING STRIP BEING CAPABLE OF EMITTING 4TT LIGHT - The present invention discloses a LED light bulb, comprising: a LED light bulb shell; a core column with an exhaust tube and a bracket; at least one LED light emitting strip with LED chips therein emitting 4π light; a driver; and an electrical connector, wherein the LED light bulb shell is vacuum sealed with the core column so as to form a vacuum sealed chamber, which is filled with a gas having a low coefficient of viscosity and a high coefficient of thermal conductivity, the bracket and the LED light emitting strips fixed on the bracket are housed in the vacuum sealed chamber, the LED light emitting strip is in turn electrically connected to the driver, the electrical connector, while the electrical connector is used to be electrically connected to an external power supply, so as to light the LED light emitting strips. In addition, the present invention also provides the LED light emitting strips with LED chips emitting 4π light, as used in the LED light bulb.03-07-2013
20090296384LIGHTING DEVICE AND LIGHTING METHOD - There is provided a lighting device that comprises at least one 600-630 nm solid state light emitter and at least one light source emitting light within an area on a 1931 CIE Chromaticity Diagram defined by a first set of points having x, y coordinates of (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), (0.36, 0.38), or a second set of points having x, y coordinates of (0.29, 0.36), (0.32, 0.35), (0.41, 0.43), (0.44, 0.49), (0.38, 0.53). Some embodiments further comprise at least a first power line. Also provided are methods that comprise illuminating at least one light source to emit light within one of the areas defined above, and illuminating at least one 600-630 nm emitter.12-03-2009
20090290337MOUNTING METHOD, MOUNTED STRUCTURE, MANUFACTUREING METHOD FOR ELECTRONIC EQUIPMENT, ELECTRONIC EQUIPMENT, MANUFACTURING METHOD FOR LIGHT-EMITTING DIODE DISPLAY, AND LIGHT-EMITTING DIODE DISPLAY - Provided is a mounting method making it possible to, when an object such as an element, or more particularly, a microscopic object is mounted on a substrate, achieve mounting readily and reliably with high positional precision by: forming an element holding layer 11-26-2009
20110013389LIGHTING SYSTEM - This invention relates to a lighting system (01-20-2011
20090268444Decorative Lighting Display - An electrically powered decorative assembly for interior or exterior display. The decorative assembly includes a main electrical string and one or more electrically wired light emitting ornaments electrically and detachably connected to the main string. The decorative assembly may further include one or more light emitting sources electrically connected to the main string. The decorative assembly may be displayed in celebration of religious holidays and secular occasions.10-29-2009
20120224365LIGHT EFFICACY AND COLOR CONTROL SYNTHESIS - An illumination system comprising of at least one fast response light source of each of at least two different colors, and a mechanism for activating the light sources alternately is disclosed. The illuminations system generates a train of pulses of that at least two different colors, the pulse train having a frequency above 350 Hz, a duty cycle in the range of 5% to 80%, a predefined sequence of pulses of the at least two different colors within a predefined time period. Furthermore, a method for synthesizing a light color is provided. The method comprising providing fast response light sources of a least two different colors, defining a train of pulses having a frequency above 350 Hz and a duty cycle in the range of 5% to 80%, defining a time period and an activation sequence for activating the at least two different colors alternately, and activating the fast response light sources to emit the train of pulses according to the time period and the activation sequence.09-06-2012
20120224364LED ILLUMINATION DEVICE - A Light Emitting Diode (LED) illumination device having a pleasant appearance and capable of uniform illumination is provided. The LED illumination device (09-06-2012
20120224363TUNABLE REMOTE PHOSPHOR CONSTRUCTS - A solid state lighting comprising: at least one LED element positioned on a top surface of a substrate or a submount; and a polygonal structure comprising a plurality of edges forming a plurality of facets configured to receive light from the at least one LED element, the polygonal structure comprising a wavelength converting material, wherein the wavelength converting material is remotely positioned from the at least one LED element.09-06-2012
20130063935SOLID STATE LIGHTING DEVICE - A solid state lighting device includes a relatively rigid, thermal dissipation plate with opposite sides, a printed circuit in intimate thermal contact with one side of the plate, at least one LED positioned against and electrically connected to the printed circuit and a shell having a rim secured to the one side of the plate so that the shell substantially covers the LED whereby when the LED is energized, light therefrom radiates into the shell and heat from the LED is conducted away by the plate.03-14-2013
20100124055Side-emitting optical elements and methods thereof - A condensing element includes an outer section having a circumferential curved sidewall extending between a light input surface at one end and a light output surface at the other end that provides substantially total internal reflection of light emitted from the input surface and incident upon the sidewall of the outer section. A circumferential curved inner section is recessed within the outer section such that the light emitted from the input surface and incident upon the curved inner section is not incident upon the output surface. A circumferential substantially non-curved sidewall extends from the inner section to a circumferential substantially non-curved upper section positioned at approximately a 45° angle relative to the optical axis of the light emitted from the input surface. A light-absorbing plug is in communication with the upper section, wherein the light emitted from the input surface is condensed and directed in a sideways direction relative to the optical axis of the entering light.05-20-2010
20090237926Illiminating device - The illuminating device of the invention comprises at least one lighting component, red lighting component, current limiting component and fluorescent body, wherein said red lighting component is first series connected with said current limiting component, and further parallel connected with said lighting component, so that input current to red lighting component is controlled by said current limiting component to be smaller than input current to lighting component, thereby said fluorescent body receiving and triggering the light emitted by said lighting component is mixed with the light emitted by said red lighting device to emit a white light with high lighting efficient and high color rendering white light.09-24-2009
20090237925White-light light-emitting diode (LED) road lamp composed of red, green and blue leds - The invention provides a white-light LED road lamp composed of red, green, and blue LED's. The road lamp includes a road lamp body, a heat-dissipating element, a constant-current source, and an LED board. The road lamp body is suspended at a specific height above the ground. Inside the road lamp body is disposed with the LED board connected with the heat-dissipating element. The side surface of the LED board opposite to the heat-dissipating element is electrically connected with a plurality of red, green, and blue LED's. The LED's are connected in series or parallel and driven by the constant-current source.09-24-2009
20090237924BEAM ADJUSTMENT MECHANISM FOR AN LED LIGHT FIXTURE - A beam adjustment mechanism for a light fixture includes a frame assembly having an aperture substantially within the center thereof. Multiple peripheral lighting units engage the sides of the frame assembly. Each lighting unit includes an LED, a heat sink, and a reflector member. A central connecting member and/or a central lighting unit is at least partially surrounded by the peripheral lighting units. The central connecting member and/or central lighting unit is hingedly connected to at least one of the peripheral lighting units. An adjustment shaft extends through and is moveably engaged with the aperture of the frame assembly. Movement of the adjustment shaft relative to the aperture exerts a force on the central connecting member and/or central lighting unit, which causes the hingedly connected peripheral lighting units to pivot relative to the central connecting member and/or central lighting unit.09-24-2009
20090046454LIGHTING DEVICE WITH OLEDS - The invention relates to a lighting device (02-19-2009
20090009995 OPTICAL ARCHITECTURE - An optical beam-shaping unit comprises a fly-eye lens for modifying light beams into modified light beams with desired profiles. The optical beam-shaping unit is especially useful in modifying collimated light from solid-state illuminators, such as laser sources.01-08-2009
20120113632Lighting Device - A lighting device with high emission efficiency and directivity is provided with the use of an organic EL element and a light-emitting diode. The lighting device includes a light-emitting diode whose emission wavelength peak is greater than or equal to 400 nm and less than or equal to 500 nm, a planar organic EL light-emitting body which emits light having a complementary color of that of light from the light-emitting diode, and a planar reflector. The organic EL light-emitting body and the reflector face each other to form a cone having an open end to which light is emitted. The light-emitting diode is provided in a space between a plane including a light-emitting surface of the organic EL light-emitting body and a plane including a reflecting surface of the reflector.05-10-2012
20100085747Monolithic tiring condensing arrays and methods thereof - A TIRing condensing array includes a plurality of condensing elements with at least one of the condensing elements having a first section and a second section. The first section provides substantially total internal reflection of light entering at a base of the first section. The second section tapers from the first section towards an optical axis extending through the first and second sections. The first and second sections are configured so a half-power angle of the light output from the second section is less than the half-power angle of the light entering the first section. At least one of the condensing elements is optically and mechanically connected to at least one other of the condensing elements at an attachment area between the condensing elements.04-08-2010
20110019399LIGHTING DEVICE AND LIGHTING METHOD - A lighting device comprising first and second groups of solid state light emitters, which emit light having peak wavelength in ranges of from 430 nm to 480 nm, and first and second groups of lumiphors which emit light having dominant wavelength in the range of from 555 nm to 585 nm. In some embodiments, if current is supplied to a power line, a combination of (1) light exiting the lighting device which was emitted by the first group of emitters, and (2) light exiting the lighting device which was emitted by the first group of lumiphors would have a correlated color temperature which differs by at least 50 K from a correlated color temperature which would be emitted by a combination of (3) light exiting the lighting device which was emitted by the second group of emitters, and (4) light exiting the lighting device which was emitted by the second group of lumiphors.01-27-2011
20120236555LED BAR - An LED device in which LED groups are located on a pixel board has calibration data for each LED stored both electrically and mechanically close to the actual LED. Preferably, each LED group has a number of LEDs of different colors on the pixel board, being electrically connected to a color controller. The color controller is connected to a power supply, and the pixel board has a memory circuit having the LED calibration data related to the LEDs stored therein. The color controller controls LEDs for generating light based on the LED calibration data stored in the memory circuit on said pixel board. Preferably, at least one of the LEDs is formed on a chip that contains the memory circuit for storing the calibration data.09-20-2012
20120236554LIGHTING SYSTEMS - An LED light unit is provided with terminal pins at each end for fitting the light unit in place of a fluorescent tube of a fluorescent lighting fixture connected to a power source. The light unit has a circuit board with a plurality of diodes configured to provide at least one string of visible light producing LEDs and at least one string of zener diodes. The strings are driven by drive means whereby a constant input operating voltage to the light unit is provided when the light unit is used with a ballast and the power derived is dissipated in any one or more of the strings.09-20-2012
20120236553METHODS FOR COMBINING LIGHT EMITTING DEVICES IN A WHITE LIGHT EMITTING APPARATUS THAT MIMICS INCANDESCENT DIMMING CHARACTERISTICS AND SOLID STATE LIGHTING APPARATUS OFR GENERAL ILLUMINATION THAT MIMIC INCANDESCENT DIMMING CHARACTERISTICS - A light emitting apparatus includes a first light emitting device configured to emit light having a first chromaticity point that falls within a region on a 1931 CIE Chromaticity Diagram defined by points having coordinates (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), (0.36, 0.38), and at least two second light emitting devices, each of the at least two second light emitting devices emits light having a respective second chromaticity points that that have ccx values greater than 0.4077 and ccy values less than 0.3944 on the 1931 CIE Chromaticity Diagram. A combined light emitted by the first light emitting device and the at least two second light emitting devices has a third chromaticity point that falls within a 7-step MacAdam ellipse around a point on the black body locus having a correlated color temperature between 2700K and 6500K. The third chromaticity may shift to a more reddish chromaticity when power supplied to the light emitting devices is decreased.09-20-2012
20130163239MIXING OPTICAL ZOOM SYSTEM WITH MOVING GATE AND GOBO - An illumination device (06-27-2013
20120268929LIGHT-EMITTING MODULE - A light-emitting module includes a heat-dissipating structure, a multichip package structure and a protection cover structure. The multichip package structure is disposed on the heat-dissipating structure, and the multichip package structure includes a substrate unit, a light-emitting unit, a frame unit and a package unit. The protection cover structure is disposed on the heat-dissipating structure to cover and protect the multichip package structure, and the protection cover structure has an opening for exposing the package unit.10-25-2012
20080218999Variable-wavelength illumination system for interferometry - An illumination system for an interferometer combines a white-light source and a green source with a reflective green dichroic filter. When the green source alone is energized for PSI measurements, the output of the illumination system is green only. When a white-light output is desired for VSI measurements, both sources are energized and the intensity of the green light is judiciously calibrated to match the spectral band filtered out by the dichroic mirror. Therefore, the system can switch between green and white light simply by changing the selection of energized sources, without any mechanical switching and attendant delays and vibrations. Multiple narrowband sources may be combined with white light in a similar manner.09-11-2008
20120099305RGB LED PACKAGE FOR OPTIMIZED EMISSIONS OF PHOTOSYNTHETICALLY ACTIVE RADIATION - Disclosed is a device for providing photosynthetic photon flux to a plant by the simultaneous emission of red, green and blue light at photosynthetically active wavelengths. Light emitting diodes emitting red, green and butte at photosynthetically active wavelenghts are used.04-26-2012
20130016506AVIAN HOUSE LIGHTING APPARATUS AND METHOD - In an embodiment, the invention is directed to a lighting system for an avian house comprising a feeding or watering system and a source of LED lighting that emits light having a color selected from the group consisting of white, blue, or green, wherein the LED lighting is attached to the feeding or watering system at a height which corresponds to eye level to of the avian species to be fed or watered. The invention is also directed to a method for attract an avian species to a feeding or watering system using an LED lighting system.01-17-2013
20100014288RETRO-FIT LIGHT STICK DEVICE AND SECONDARY LIGHT SOURCE OR OTHER ELECTRICAL DEVICE FOR USE WITH WALK-IN TYPE COOLERS AND OTHER PRODUCT DISPLAY UNITS - A light stick device and a secondary light source for use in walk-in coolers and other product display devices. The light stick device is configured for replacing existing fluorescent tubes and includes a body portion, an array of light emitting diodes (LEDs) extending along a length of the body portion, an array of deflectors located such that at least one deflector is positioned between each LED to deflect light therefrom, and an electrical power connection to power the LEDs. The electrical power connection is adapted for use with existing fluorescent tube fixtures located within the walk-in cooler or other display unit. The present light stick device may also include at least one plug-in socket for powering another electrical device including a secondary light source from the present light stick device. The secondary electrical device may be configured to interface between a standard fluorescent tube and its power fixtures to draw power from such fixtures.01-21-2010
20100265703ILLUMINATION ASSEMBLY - The present invention relates to an illumination assembly comprising a specific combination of one or more white LEDs and one or more red-orange LEDs with improved spectral characteristics (e.g., specific colour performance characteristics, such as a desirable colour rendering index and colour temperature).10-21-2010
20130188346Single Color LED Clusters for Image Generation - A display device for increasing brightness of an image generation, including a color cluster system., is provided. The system includes a first color LED cluster having at least a first LED of a first wavelength within a first color range and a second LED of a second different wavelength within the first color range. The light from the first LED may be combined at least partially with light from the second LED The system further comprises a second color LED cluster having at least a first LED of a first wavelength within a second color range and a second LED of a second different wavelength within the second color range. In the second color LED cluster, the light from the first LED may be combined at least partially with light from the second LED.07-25-2013
20130021793RECYCLING LIGHT CAVITY WITH ENHANCED REFLECTIVITY - The reflectivity of mixed color LEDs, for example, red, green, and blue LEDs, and the resulting efficiency of a mixed color recycling light cavity can be increased by over-coating each LED with a multi-layer thin film coating comprising a dichroic filter. The thin film, dichroic filter coatings transmit the light emitted by the LED and reflect the light emanating from the other colors within the cavity. By utilizing high efficiency dichroic coatings, the reflectivity of the LEDs to the alternate wavelengths of the light emitted by other LEDs in the cavity can be raised to over 90%. By increasing the reflectivity of the LEDs for other colors, the optical radiation absorbed by the LEDs is decreased, thereby lowering the operation temperature and junction temperature of the LEDS. Lowering the operation temperature and junction temperature of the LEDS contributes to more efficient operation of the LEDs improving Lumen/Watt performance.01-24-2013
20090080186Medical examination apparatus - A medical examination apparatus is provided. The examination apparatus includes an examination area in which an examinee is examined using an imaging device. The examination apparatus includes at least one planar lighting device emitting homogeneous light via its light radiating surface. The lighting device includes at least one light source by which at least part of the examination area and/or of the area peripheral to the examination area can be illuminated.03-26-2009
20120287619HIGH 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 for the light, 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. An LED lamp according to some embodiments of the invention has an efficiency of at least 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 correlated color temperature of from 2800 to 3000 K.11-15-2012
20110286212ILLUMINATION DEVICE - An illumination device which emits a white light beam having a high luminance and high color rendering properties at the time of a white light mode and which also emits an illumination light beam having a high luminance at the time of a special light mode. The illumination device is configured by including: LEDs 11-24-2011
20110286211LUMINAIRE - A luminaire using LEDs emits illumination light with improved uniformity and allows selection of color temperature and a region from which light is emitted. The illumination light from the LED travels in a light guide plate and is reflected off the inner surface to output to the outside through a diffuser plate. A plurality of LEDs differing in hue is provided. An LED driver unit controls a color temperature of light to be emitted, and generates, for example, illumination light of moderate color such as an orange color. The LED driver unit switches between regions from which light is emitted, thus offering unique illumination effects and using the luminaire as an all-night lamp. The light guide plate is secured to the side opposite to the reflector sheet in order to prevent the fixing member from impairing the light uniformity.11-24-2011
20110286210LED LIGHT SOURCE IN A SINGLE-PACKAGE FOR RAISING COLOR-RENDERING INDEX - A LED light source in a single package for raising the color-rendering index is provided. The LED light source comprises a substrate, at least one covering layer, a primary light source, and a secondary light source. The primary and the secondary light sources are formed on the substrate and coated with the at least one covering layer to provide a first output light and a second output light, respectively. The total output light is a mixed color of the first output light and the second output light.11-24-2011
20120099307COLOR-CONFIGURABLE LIGHTING ASSEMBLY - A collimated light source with solid-state light emitters in which the solid-state light emitter is optically coupled to a high refractive index reflector optic, which reduces the cone angle of the light input to the reflector optic. Reducing the cone angle allows the reflective surface of the reflector optic to be reduced in size compared with a conventional reflector in air. The solid-state light emitter is mounted near the light output surface to further reduce the size of the collimated light source. The highly collimated light beams of different colors generated by multiple collimated light sources enable the lighting assembly to use a decussate optical filter having dichroic filter elements to combine the light beams to provide the compact lighting assembly having a configurable output light color.04-26-2012
20120099306ULTRAVIOLET NIGHTLIGHT METHOD AND APPARATUS FOR SCORPION ILLUMINATION AND DETECTION - The invention comprises an ultraviolet nightlight configured for illuminating walkways and/or for highlighting scorpions. In one embodiment, a nightlight is configured with an ultraviolet source. Photons emitted or radiated by the nightlight interact with a scorpion causing the scorpions to fluoresce. The fluorescing scorpion is readily observed by a human at night, thereby alerting the human and providing a measure of security and/or safety. The nightlight is optionally configured in the ultra violet and visible light range, with the visible component comprised predominantly of blue light. The emitted blue light is used to light or illuminate corridors and/or obstacles with a cool comforting color.04-26-2012
20120099303CCT MODULATING METHOD, LED LIGHT SOURCE MODULE, AND PACKAGE STRUCTURE THEREOF - A correlated color temperature (CCT) modulating method including following steps is provided. A white LED light source is modulated to emit a first white light. At least one LED light source is modulated to emit a second white light, wherein the second white light includes at least one broad-spectrum monochromatic light. The first white light and the second white light are mixed to produce a third white light. The color rendering index (CRI) of the third white light is greater than those of the first white light and the second white light, and the color coordinates of the first white light, the second white light, and the third white light are different from each other. Furthermore, an LED light source module and a package structure thereof are also provided.04-26-2012
20110299277ILLUMINATING APPARATUS AND METHOD OF CONTROLLING ILLUMINATING APPARATUS - An illuminating apparatus 12-08-2011
20110199762Light Emitting Diode Based PAPI Design Incorporating Linear Diode Arrays and Cylindrical Optics - This invention presents a method for overcoming limitation in brightness and heating effects for LED based Precision Approach Path Indicators. This method relies on the use of linear arrays of LED's and cylindrical optics08-18-2011
20090190345MULTIPARAMETER STAGE LIGHTING APPARATUS WITH GRAPHICAL OUTPUT - A multiparameter stage lighting apparatus is provided comprising a lamp housing, which may include a plurality of sets of light emitting diodes, each set of light emitting diodes having a plurality of colors, the plurality of sets of light emitting diodes forming an additive color mixing system. The multiparameter stage lighting apparatus may further include a plurality of pie shaped light emitting circuit boards, one light emitting circuit board for each set of the plurality of sets of light emitting diodes, each set of the plurality of sets of light emitting diodes mounted to its respective light emitting circuit board. The multiparameter stage lighting apparatus may further include a plurality of light emitting diode signaling circuit boards, one for each of the plurality of pie shaped light emitting circuit boards. Each of the plurality of light emitting diode signaling circuit boards may be connected to its corresponding pie shaped light emitting circuit boards by a corresponding one of a plurality of multiconductor cables.07-30-2009
20100265702MULTI-WAVELENGTH SEMICONDUCTOR LASER DEVICE - A multi-wavelength semiconductor laser device includes a plate stem; a prism shaped submount with a bottom face on a face of the stem; laser diodes having emission wavelengths different from each other are mounted on lateral sides of the submount so that their respective emission points are positioned at substantially the same distance from a center axis of the stem; and lead pins penetrating the stem are located along and opposite edge lines between adjacent pairs of the lateral sides of the submount.10-21-2010
20090279293COLOR POINT ADJUSTMENT - Meeting a target color point using more than 3 primary light sources is achieved by calculating permutations of light sources, calculating for each of the permutations the contributions of the light sources to meet the color point, adding up the contributions of the light sources separately into an overall contribution, and operating the light sources according to their overall contributions.11-12-2009
20090190344Multi-Spectral UV IIluminator - A multi-spectral Ultraviolet (UV) illuminator is described. The illuminator allows for the convenient reading of authentication patterns formed by UV inks. The novel illuminator is usable with inks of different spectral responses, allowing for reading many types of patterns with one device. The illuminator further provides the capability of producing multiple UV frequency illumination sequences, allowing for more complex, harder-to-counterfeit, authentication markings, such as animated patterning.07-30-2009
20100220475PACKAGE FOR LIGHT EMITTING DEVICE AND METHOD FOR PACKAGING THE SAME - There are provided a light emitting device package and a method for manufacturing the same. The light emitting device includes: a plurality of barriers provided above a metal circuit board; a plurality of light emitting devices placed in a space between the barriers; and a lens unit provided at an upper side of the barrier. Accordingly, the plurality of light emitting devices can be conveniently seated as a module format, and a luminance can be increased. Also, an efficiency of heat sink can be increase.09-02-2010
20120140462HIGH EFFICIENCY TOTAL INTERNAL REFLECTION OPTIC FOR SOLID STATE LIGHTING LUMINAIRES - Optical elements having components made from high refractive index materials (RI≦1.6) and lamp assemblies incorporating such elements. Various optical elements, such as total internal reflection lenses, can be fabricated from materials having a higher index of refraction than materials typically used in such elements. The compact optical elements have at least one internal reflection surface that directs radiant energy (e.g., light) from a receiving end to a transmitting end. By using a high refractive index material, a lens can be fabricated that directs a greater portion of the light emitted from a source into the lens toward the transmitting end of the lens. Thus, less of the light spills out of the lens at a surface where emission is not intended, reducing the number of lossy bounces needed to direct the light in a particular direction.06-07-2012
20090147508Lighting Unit and Lamp - A lighting unit has at least two submounts, wherein each submount has multiple light sources. Furthermore, a lamp may have such a lighting unit.06-11-2009
20080310151Illuminat System - An illumination system has linear array of light emitters (R,G,B,A,W) associated with it least one linear array of outcoupling means (O12-18-2008
20090310347LIGHT SYSTEM WITH STACKED LIGHT PIPE STRUCTURE - The present invention includes decorative, architectural, and building materials and methods of making these materials, using them or both. The present invention relates to an article of manufacture that includes a light source and a substrate with a plurality of volumes of material, where each volume is capable of transmitting light from one location to a second location on a surface of the substrate. The present invention also relates to an article of manufacture having a substrate with a first surface, and a volume of material contained within the substrate and adapted to transmit light from a first location on the first surface to at least a second location. The present invention also relates to methods of making the articles and to methods of transmitting information.12-17-2009
20090310345APPARATUS AND METHOD OF USING MULTIPLE LED LIGHT SOURCES TO GENERATE A UNITIZED BEAM - An LED package is comprised of a plurality of light emitting diodes (LED) of similar or differing wavelengths; means for efficiently collecting energy radiating from two or more LEDs into an approximate unitized beam; and means for distributing this energy into a common aperture. A means provides thermal management of the LED package and electronically controls the individual LEDs. The LEDs can have different color outputs and means for selectively controlling the color of light from the LED package. In one embodiment there are at least two LEDs 12-17-2009
20090310346GENERAL LED LIGHTING IN INSULATED GLASS WITH IMPROVED ENERGY MANAGEMENT - The present invention provides a lighting assembly for interior lighting. The lighting assembly (12-17-2009
20090310348Method and System for Controlling Lighting - A method and system for controlling lighting in a space reduces energy consumption of the light sources by changing at least one of the color rendering index (CRI) and the correlated color temperature (CCT) while maintaining illumination levels. Preferably, the method and system sense movement of people in the space relative to light sources that light the space, and automatically and individually adjust plural solid state lighting devices that form each of the respective light sources to a first lighting condition when people are in a first position, wherein the lamps respectively emit light of a first illumination level and a first CRI at a first electrical power level, and to a second lighting condition when people are in a second position, wherein the light sources respectively emit light of the first illumination level and a smaller CRI than the first CRI and at a lower electrical power level than the first electrical power level.12-17-2009
20100118527METHODOLOGY OF PROVIDING WHITE LIGHTING WITH COLOUR COMBINATION - The present invention relates generally to a methodology of creating lighting of white colour with the intended correlated colour temperature (CCT) by having a processing means to instruct several lighting means groups, wherein each group has different CCT ranges, that are arranged together, to provide lighting of a fixed CCT, wherein the lighting means groups comprises lighting means with dominant wavelength (DWL) range of 585 nm and 595 nm representing amber, CCT range of 2500 K and 3700 K representing warm white and CCT range of 3700 K and 5000 K representing white and CCT range of 5000 K and 7000 K representing cool white.05-13-2010
20090080187Method and Apparatus for Providing an Omni-Directional Lamp Having a Light Emitting Diode Light Engine - An LED lamp includes a light engine. The light engine includes a substrate including a transparent or translucent thermally conductive material, a plurality of LED semiconductor devices mounted to the substrate, a plurality of conductive traces formed over the substrate to electrically interconnect each of the plurality of LED semiconductor devices, and conductive leads connected to the substrate for supplying electrical energy to the plurality of LED semiconductor devices. The substrate of the light engine may include an aluminum nitride (AlN), or diamond film material. A thermally conductive rod is connected to the light engine. A heatsink is formed by an extrusion or die casting process. The heatsink includes a fin structure for dissipating heat energy into the environment. The thermally conductive rod and the heatsink are thermally connected. An optional optical envelope is mounted to the heatsink. The optional optical envelope is disposed over the light engine.03-26-2009
20090207605STAGGERED LED BASED HIGH-INTENSITY LIGHT - A high intensity LED based lighting array for use in an obstruction light with efficient uniform light output is disclosed. The high intensity LED based lighting array has a first concentric ring having a plurality of reflectors and light emitting diodes. The concentric ring has a planar surface mounting each of the plurality of reflectors in perpendicular relation to a respective one of the plurality of light emitting diodes. A second concentric ring is mounted on the first concentric ring. The second concentric ring has a second plurality of reflectors and light emitting diodes. The second concentric ring has a planar surface mounting each of the plurality of reflectors in perpendicular relation to a respective one of the plurality of light emitting diodes. The second plurality of reflectors and light emitting diodes are offset from the reflectors and light emitting diodes of the first concentric ring.08-20-2009
20100079987Tiring condensing element and methods thereof - A TIRing condensing element and methods thereof includes a first section and a second section. The first section provides substantially total internal reflection of light entering at a base of the first section. The second section tapers from a first section towards an optical axis of the element extending through the second section to output light from the first section. The first and second sections are configured so a half-power angle of the light output from the second section is less than the half-power angle of the light entering the first section.04-01-2010
20090290336LIGHTING DEVICE AND LIGHTING SYSTEM - A light shielding mask 11-26-2009
20090046453Spotlight for shooting films and videos - A spotlight for shooting films and videos is provided. The spotlight comprising light-emitting diodes (LEDs) arranged on a light-emitting surface, of which color LEDs emit different LED colors (R, G, A, B, Ye) and provide luminous flux portions for a color mixture. At least one LED comprises a luminescent LED. The spotlight further comprising a device for setting the luminous flux portion emitted by the LEDs, which device drives the LEDs at least in groups. At least one color LED emits the LED color “blue” or “cyan”, and the luminescent LED comprises a yellow-green, daylight-white, neutral-white or warm-white luminescent LED, which covers at least a portion of the color LEDs with the exception of the color LED emitting the LED color “blue” or “cyan”.02-19-2009
20090201677HIGH EFFICIENCY LED LIGHT SOURCE ARRANGEMENT - A light source (08-13-2009
20090262527High-Voltage Light Emitting Diode Circuit Having a Plurality of Critical Voltages and Light Emitting Diode Device Using the Same - A high-voltage light emitting diode (LED) circuit having a plurality of critical voltages and an LED device using the same are described. The high-voltage LED circuit includes a first substrate, at least a first LED formed on the first substrate, and at least an impedance element formed on the first substrate and electrically connected in series with one end of the first LED. The first LED is connected in parallel with at least a second LED based on the characteristics of the impedance element, and the second LED has a polarity opposite to that of the first LED, such that the high-voltage LED circuit may be operated in an AC power supply environment, thereby improving the convenience of using the LEDs.10-22-2009
20090262526White Light Emitting Diode Module - The white LED module includes a packaging housing having a containing chamber, an LED chipset disposed in the containing chamber, and a shared flat wavelength-converting structure disposed on the packaging housing. The LED chipset could illuminate an original light with at least two wavelengths. The original light may be diffused with the shared flat wavelength-converting structure and may be partially converted into a converted light with the shared flat wavelength-converting structure. The converted light and the original light are mixed to form a white light.10-22-2009
20090290339Illuminant System Using High Color Temperature Light Emitting Diode and Manufacture Method Thereof - A light emitting diode (LED) illuminant system, a manufacture method thereof, and a backlight module using the same are provided. The LED illuminant system includes a plurality of white light illuminants and at least one green light illuminant mixed in the white light illuminants. A light power ratio of the green light illuminant to the white light illuminants is in between 1/5 to 1/20. The color temperature of the whole illuminant system will be enhanced to a certain extent by mixing the green light illuminant and the white light illuminants. The manufacture method includes the following steps: obtaining a transmission spectrum of the white light illuminants; analyzing the transmission spectrum to determine n supplemental amount of a green light; and disposing at least one green illuminant in accordance with the supplemental amount of the green light.11-26-2009
20090279292LIGHTING SYSTEM AND A COLOR INDICATOR PART THEREFOR - The present invention provides a lighting system with a color indicator surface (11-12-2009
20090284965System and Method for LED Light Source - System and method for LED light source. According to an embodiment, the present invention provides a an LED light system for emitting substantially white light. The system includes a first dichroic element, the first dichroic element comprises a first dichroic surface having a first coating, the first coating being adapted to reflect over 95% of a first color and transmit over 95% of a second color, the first dichroic surface having a first side and a second side. The system also includes a second dichroic element, the second dichroic element comprises a second dichroic surface having a second coating, the second coating being adapted to reflect over 95% of a third color and transmit 95% of a fourth color, the second dichroic surface having a third side and a fourth side.11-19-2009
20090290338FRONTAL ILLUMINATION OF A SURFACE USING LED LIGHTING - A plurality of lamp arrays (11-26-2009
20090296383ILLUMINATION SYSTEM, SHELF-LIGHTING SYSTEM AND WALL-WASHER LIGHTING SYSTEM - An illumination system for illuminating an object (12-03-2009
20080212318Light Source Device for Components Inspection - The present invention discloses a LED light source device for components inspection. The device has a white annular lamp and a blue annular lamp installed on a fixed blue-lamp ring, a green annular lamp installed on a fixed green-lamp ring and a red annular lamp installed on a fixed red-lamp ring. The fixed blue-lamp, green-lamp and red-lamp ring are being arranged from bottom to top respectively, and the white annular lamp is being positioned at the bottommost. In addition, a heat-dissipation ring is installed on the outskirt of the green annular lamp, along with heat-dissipation electric fans and a fixed light-source ring positioned on the top of the light source device. The present invention not only has the advantages of using four different light sources, including: a red light source, a green light source, a blue light source and a white light source, to illuminate inspected objects from different angles which allow camera to capture more information, but also increase the convenience for component inspection which in term provides higher assurance for components quality.09-04-2008
20080212320Producing Distinguishable Light in the Presence of Ambient Light - A process and apparatus for producing distinguishable light, in the presence of ambient light is disclosed. The process involves admitting light in a first wavelength band through a first light admission port into a first optical cavity at least partially defined by a first reflector operably configured to reflect light out of the first optical cavity. The process also involves filtering ambient light reflected into the first optical cavity and entering and exiting a first space defined about the first light admission port such that ambient light outside the first wavelength band is attenuated on entry and exit from the first space.09-04-2008
20120293992APPARATUS AND METHODS FOR ILLUMINATING SUBSTANCES USING COLOR TO ACHIEVE VISUAL CONTRAST - An illumination system for illuminating a first biologic substance and a second biologic substance, comprising a first light output device capable of outputting polychromatic first light, a second light output device capable of outputting polychromatic second light, the first light output device and the second light output device selected such that (i) a first apparent color results when the first light is scattered from the first biologic substance and a second apparent color results when the second light is scattered from the first biologic substance, the first apparent color and the second apparent color being substantially the same as one another and (ii) a third apparent color results when the first light is scattered from the second biologic substance and a fourth apparent color results when the second light is scattered from the second biologic substance, the third apparent color and the fourth apparent color being substantially different than one another, and means for temporally modulating amounts of the first light and amounts of the second light in a light output from the system.11-22-2012
20120293993LED Mixed Lighting for Tissue Culture of Orchids - This invention discloses a LED mixed lighting for tissue culture of orchids. Due to limitation of technology, currently it lacks of LED lighting directly used for orchids, especially for tissue culture of 11-22-2012
20100103662Pixel Support System - A light emitting pixel module including a pixel support disposed on a support structure, and a light emitting element and an electrical connector disposed upon the pixel support, in which the support structure is configured to be removeably attached to a display surface such that light emitted from the light emitting element is viewable from or through the substrate.04-29-2010
20100103659LIGHT SOURCE DEVICE CAPABLE OF SWITCHING TO DIFFERENT COLOR TEMPERATURE PLANES - A light source device capable of switching to different color temperature planes includes a cooler, a first lighting module, a second lighting module and a rotating mechanism. The cooler has a first surface and a second surface formed at one side of the first surface. The first and second surfaces are non-coplanar to each other. The first lighting module is arranged onto the first surface by adhesion and the second lighting module is arranged onto the second surface by adhesion. The first lighting module and the second lighting module can radiate light of different color temperatures respectively. The rotating mechanism, which is connected to the cooler, provides a rotating operation to the cooler. When the first surface or the second surface is rotated for radiating light, the first lighting module or the second lighting module can emit an illumination of different colors.04-29-2010
20100061090ILLUMINATION SYSTEM - The illumination system has an array of light sources (03-11-2010
20120170264OMNISPECTRUM LED GROW LIGHT - An omnispectrum LED grow light is disclosed. Features of the light may include, inter alia, a plurality of LED elements including a plurality of different LED types, each LED type having a unique light wavelength output. The LED elements may be distributed across a grow light surface. A controller may be configured to adjust the intensities of the omnispectrum LED grow light at each of the light wavelengths. The controller may provide a plurality of settings that are configured to automatically adjust multiple intensities to a level that is optimized for a particular plant or growth phase. The controller may also be configured to allow independent control over the intensities of individual light wavelengths.07-05-2012
20100103661Machine Vision Inspection System and Light Source Module thereof - In a machine vision inspection system and a light source module, the light source module includes a semi-cylindrical lampshade and linear LED light sources for provide light beams. The luminance is determined by a number of rows of the linear LED light sources, a length of each linear LED light source and cooperation of colors, wavelengths or sizes of the LEDs. The linear LED light sources are located or assembled to an interior of a curved surface of the semi-cylindrical lampshade, and arranged from a first curved-surface edge to a second curved-surface edge of the curved interior by a preset interval and a relative included angle. An arranging direction of the linear LED light sources is same to an extending direction of the interior of the curved interior. The shadow caused by illuminating from one single side may be eliminated. The present invention possesses the advantage of low cost.04-29-2010
20110199763LIGHT COMBINATION DEVICE - A light combination device includes a reflective element and a first color separating element. The reflective element guides first color light beams emitted from at least a first light source and a second light source to propagate in a first direction. The first light source and the second light source are differently positioned in a space. The first color separating element transmits the first color light beams and reflects second color light beams emitted from at least a third light source and a fourth light source. The third light source and the fourth light source are differently positioned in the space. The first color separating element has a coating curved surface, and a curvature of the coating curved surface is varied according to positions of the third light source and the fourth light source to guide the second color light beams to propagate in the first direction.08-18-2011
20080239717LIGHT SOURCE MODULE - A light source module including a light source assembly and a light converging element is provided. The light source assembly provides an illumination beam and the light converging element is disposed on a transmission path of the illumination beam. The light converging element has a top end and a bottom end opposite to the top end. The light converging element is gradually reduced from the bottom end to the top end. The top end is opposite to the light source assembly and has a cavity. The illumination beam is incident into the light converging element from the cavity and exits the light converging element from the bottom end. The illumination beam is converged by the light converging element, so the diverging angle of the illumination beam provided by the light source module is relatively small.10-02-2008
20100142198Configurable Light Emitting System - A configurable light emitting system includes a plurality of light emitting units, at least a first external conductor, and at least a second external conductor. Each of the light emitting units includes an anode, a cathode, a first electrical contact electrically connected to the anode, and a second electrical contact electrically connected to the cathode. The first external conductor is electrically connected to the first electrical contact of each of the light emitting unit, and configured to supply a positive voltage thereto. The second external conductor is electrically connected to the second electrical contact of each of the light emitting unit, and configured to supply a negative voltage thereto. The plurality of the light emitting units are configured as a tile structure or a brick structure, and are electrically connected together through the first external conductor and second external conductor.06-10-2010
20080278939Light Source Device - There is provided a light source device which can output simultaneously a light in the C band and a light in the L band. The light source device includes a reflection end which reflects an input light, a first EDF which is connected at one end to the reflection end, and outputs a first spontaneously emitted light (C band) by means of a first excitation light input from the other end, a second EDF which is connected at one end to the other end of the first EDF, and outputs a second spontaneously emitted light (C band) by means of a second excitation light input from the other end, where the second EDF converts the first spontaneously emitted light (C band) input from the one end to a longer wavelength light (L band), and outputs the longer wavelength light. From the other end of the second EDF are output simultaneously the second spontaneously emitted light (C band) and the longer wavelength light (L band).11-13-2008
20120170265LIGHT-SOURCE MODULE AND LIGHT-EMITTING DEVICE - A light-emitting module (07-05-2012
20080291672LIGHT SOURCE MODULE - A light source module including a plurality of first point light sources, a plurality of second point light sources, and a plurality of third point light sources is provided. The dominant wavelengths of lights provided by the first point light sources are within a wavelength range of a first color light, and at least two of the first point light sources emit light with different dominant wavelengths. The dominant wavelengths of lights provided by the second point light sources are within a wavelength range of a second color light, and at least two of the second point light sources emit light with different dominant wavelengths. The dominant wavelengths of lights provided by the third point light sources are within a wavelength range of a third color light, and at least two of the third point light sources emit light with different dominant wavelengths.11-27-2008
20080291673Illumination device - An illumination device includes an illumination unit and a control unit. The illumination unit has a plurality of light-emitting diodes (LEDs). The LEDs are disposed adjacent to each other and emit different colors of light. The control unit is electrically connected with the LEDs to control the LEDs, respectively.11-27-2008
20080291671Changeable-style luminous decorative item - This invention relates to a kind of changeable-style luminous decorative item. The effect is achieved because when light sources of different colors and strengths pass through different color materials and decoration, because of light frequency absorbency (photo permeability) differences, various visual effects are produced, resulting in changes in shape, pattern and color. This allows the same object to change expression, shape or style, for example, giving a face-change effect, allowing the decorative items to be changeable and have lifelike light source color and style changes, making the product more competitive.11-27-2008
20080310156Led illuminating device - A LED illuminating device includes an illuminating unit and a shell having a top side and chamber. The illuminating unit includes a PCB supported by the shell and one or more LED modules electrically and spacedly mounted on the PCB disposed in the chamber. Each of the LED modules includes a red LED, a blue LED and a green LED which are symmetrically arranged in a triangular manner side by side. The wires are emerged from two ends of the shell in a horizontal plane parallel to an adhesive layer so as to adapt for electrically linking two neighboring LED modules with each other in a flat plane manner. Finally, it reduces unnecessary length of the wire and minimizes the size of the device by decreasing the overall volume.12-18-2008
20080310153Backlight and liquid crystal display device - A side light type backlight includes a light source including a plurality of LEDs, and a light guide plate. One of the end surfaces of the light guide plate is a light incidence surface at which a plurality of R-LEDs, a plurality of G-LEDs and a plurality of B-LEDs are arranged. LEDs satisfy the relationship of: a distribution range of light emitted from G-LEDs12-18-2008
20080259597Lighting Fixture Adapter - A method of adapting an existing lighting fixture to provide selectively-energizable, turtle-friendly lighting includes interposing an adapter between a lighting fixture and an electrical box, providing a light source in the adapter and coupling an electrical power source to the adapter for selectively energizing either the light source or the lighting fixture.10-23-2008
20080278940LIGHTING DEVICE AND LIGHTING METHOD - A lighting device comprising one or more solid state light emitters which emit near ultraviolet light and one or more lumiphors which emit light having a wavelength in the range of from 555 nm to 585 nm, which in the absence of other light would produce a mixture of light within an area defined by x, y coordinates (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), and (0.36, 0.38). The lighting device may further comprise one or more 600 nm to 630 nm light emitters, and a mixture of light emitted from the lighting device may be within ten MacAdam ellipses of the blackbody locus. Also, packaged solid state light emitters and methods of lighting.11-13-2008
20120287621ZOOM SPOTLIGHT USING LED ARRAY - A LED array spot illuminator for providing light along an optical axis comprises a substrate and at least one array of multiple LED chips without individual packaging supported by the substrate, wherein the LED chips emit light within the same or different wavelength ranges and are distributed laterally with respect to the axis over a light-emitting area. The LED chips have light emitting surfaces for emitting light in directions transverse to the area. An optical device collects and directs light emitted by the LED chips of the at least one array along the axis. An aperture passes the light emitted by the LED chips of the at least one array along the axis, wherein light collected by the optical device and passed by the aperture forms a beam of light illuminating a spot. Electric current is supplied to the multiple LED chips, causing them to emit light. Light emitted by the multiple LED chips that passed through the optical device and the aperture form a beam of light illuminating a spot. A distance between the multiple LED chips and one or more elements of the optical device is controlled to select a size of the spot.11-15-2012
20080212319LED lamps including LED work lights - Work light has LEDs that may require heatsink. Desired radiation pattern achieved by using optical components designed to produce beam or LEDs may have beams in different directions. Radiation pattern of LEDs may be changed by refractive-reflective optics or by convex lenses. Convex lenses may be hemispheres, other planoconvex shapes, concavo-convex shapes, or other shapes. Curved surfaces on any lenses may be spherical or aspheric. Ballast to operate the LEDs from line voltage AC or low voltage DC. Work light may contain batteries. The work light may be mounted on a stand. May have accessory mount. May have charging station. May have a paging transmitter to activate a paging receiver in work light. May have openings for heat transfer from heatsink to ambient air external to light.09-04-2008
20090097240Spread illuminating apparatus - A spread illuminating apparatus is provided in which a light source assembly disposed at one side surface of a light guide plate includes red LEDs, green LEDs and blue white LEDs. The blue white LEDs each include a blue LED and a yellow phosphor and are adapted to emit a red component light and a green component light as well as a blue light. The blue white LED functions not only as a light source for blue light but also as a light source for red and green lights, whereby the numbers of the red LEDs, the green LEDs and the blue white LEDs are equalized. All the LEDs are arranged along the one side surface of the light guide plate at substantially regular intervals. Color heterogeneity generated when a plurality of kinds of LEDs are used is reduced, and thereby an area required for mixing colors is reduced.04-16-2009
20110205733ILLUMINATION DEVICE - The invention relates to an illumination device (08-25-2011
20090190346MULTIPARAMETER STAGE LIGHTING APPARATUS WITH GRAPHICAL OUTPUT - A multiparameter stage lighting apparatus is provided comprising a lamp housing, which may include a plurality of sets of light emitting diodes, each set of light emitting diodes having a plurality of colors, the plurality of sets of light emitting diodes forming an additive color mixing system. The multiparameter stage lighting apparatus may further include a plurality of pie shaped light emitting circuit boards, one light emitting circuit board for each set of the plurality of sets of light emitting diodes, each set of the plurality of sets of light emitting diodes mounted to its respective light emitting circuit board. The multiparameter stage lighting apparatus may further include a plurality of light emitting diode signaling circuit boards, one for each of the plurality of pie shaped light emitting circuit boards. Each of the plurality of light emitting diode signaling circuit boards may be connected to its corresponding pie shaped light emitting circuit boards by a corresponding one of a plurality of multiconductor cables.07-30-2009
20090190347MOTOR-DRIVEN, HEAD-DISPLACEABLE FLOODLIGHT UNIT - A motor-driven, displaceable-head floodlight unit according to one or more embodiments is described. The floodlight unit is arranged to generate a plurality of light and projection effects used in stagecraft and performances, at least several LED sources being configured as the source of light in the floodlight unit. The light emission from several LED sources is collected by at least one first mirror and deflected to a second mirror. The second mirror is arranged to collimate the light from the first mirror incident thereon and transmitting the light.07-30-2009
20090129074Apparatus and Methods for Selecting Light Emitters - Provided are devices and methods for grouping light emitters and devices including the same. Embodiments of such methods may include selecting a portion of the light emitters using a region of a multiple axis color space that is configured to represent each of a plurality of colors as at least two chromaticity coordinates. The region may be proximate a predefined point on the multiple axis color space and includes a major axis having a first length and a minor axis having a second length that is less than the first length.05-21-2009
20090161356LIGHTING DEVICE AND METHOD OF LIGHTING - There is provided a lighting device which emits light with an wall plug efficiency of at least 85 lumens per watt. The lighting device comprises at least one solid state light emitter, e.g., one or more light emitting diodes, and optionally further includes one or more luminescent material. In some embodiments, the output light is of a brightness of at least 300 lumens. In some embodiments, the output light has a CRI Ra of at least 90. Also, a method of lighting, comprising supplying electricity to a lighting device which emits light with a wall plug efficiency of at least 85 lumens per watt.06-25-2009
20090161355WHITE LIGHT ILLUMINATOR AND READING LAMP USING THE SAME - A reading lamp (06-25-2009
20090141490Method for diminishing dark gap in arrayed led module, arrayed LED module, and imaging apparatus thereof - The invention discloses an arrayed light emitting diode (LED) module including multiple LED chips and light-reflecting members. Multiple gaps exist between LED chips adjacent to each other. Each of the light-reflecting members respectively is disposed in one of the gaps. The light-reflecting member reflects the light emitted from the LED chips, to diminish the dark gap shown on the illumination region, further to uniform the brightness distribution of the illumination region.06-04-2009
20100014286LIGHT IRRADIATION APPARATUS - The invention provides a light irradiation apparatus that can adjust widening/narrowing of a light irradiation area and can guide almost whole of light emitted from an LED to the light irradiation area.01-21-2010
20120069563LED LAMP - An LED lamp has one or more red LEDs, one or more green LEDs, and one or more white LEDs. The plurality of LEDs produces light that is mixed to produce a combined light output that has color approximating that of a blackbody radiator and having a correlated color temperature of 3,800 to 5,400 Kelvin.03-22-2012
20120069562PERFORMANCE SPOTLIGHT - An apparatus and method for producing an improved light emitting diode (LED) spotlight. One or more layers of LEDs shine light into an array of elliptical reflectors. Each elliptical reflector has an LED at one focal point and shares the second focal point with a larger parabolic reflector that collimates the light. A hole in the center of the parabolic reflector receives additional LEDs, with or without collimation optics.03-22-2012
20120069561INTEGRATED SIGNAL LIGHT HEAD - The present disclosure relates generally to an integrated signal light head. In one embodiment, the integrated signal light head includes a molded housing for holding at least one light emitting diode (LED) light source and a power supply compartment coupled to the molded housing. As a result, a power supply may be remotely located and independent of the at least one LED light source.03-22-2012
20120092862STRUCTURE OF LIGHT-EMITTING DIODE (LED) HAVING HIGH COLOR RENDERING INDEX - Disclosed is a structure of light-emitting diode (LED) having high color rendering index, including a substrate on which at least one light emission element, at least one red light emission element, and at least one green light emission element are mounted. The light emission element emits blue light that is also applied to excite a fluorescent powder coated outside the light emission element to generate white light, which when mixed with red and green lights from the red and green light emission elements, form a light source of improved color rendering property. With the addition of the red and green light emission elements, the light projecting from the LED structure provides a color performance close to the natural light, allowing for perfect reproduction of the original color of an object and thereby improving conformableness and coordination of human perception without causing any lose of color genuineness of an object.04-19-2012
20090141489Microchip matrix light source module - A microchip matrix light source module includes at least two LEDs formed on a surface of a substrate. The light source further includes a light reflector formed on a surface upon which the LEDs are formed and interposed between the LEDs and configured to reflect and thereby redirect laterally emitted light from the two LEDs. The light reflector may include an inner body. The body may be covered, in part or in whole, with a light reflecting layer such as a metal layer. The body of the light reflector may include a layer corresponding to a layer in one of the two LEDs.06-04-2009
200901414883-D Color Synthesis Displays and Methods - Color displays superpose a two color image component with a monochrome image component to yield full color images. Each image component may be generated by controlling an array of light sources. In some embodiments the monochrome image component is provided by a backlight and the two color component is provided by an array of sub-pixels of two types.06-04-2009
20080316740Interior Lamp - An interior lamp can achieve both an excellent illumination function and an excellent illumination effect (providing a comfortable environment) and may possibly provide high merchandizability characteristics. The interior lamp can include an LED light source unit having a substrate and a plurality of white LED lamps and colored LED lamps mounted on the substrate. A cover case can be provided to serve as a light illumination unit. The light illumination unit can include a double-layer structure having a light diffusion layer and a light transmission layer. The light diffusion layer can have a plurality of penetrating holes. The light transmission layer can have a plurality of convex lens portions. The center axes of the penetrating holes and the corresponding lens portions can coincide with corresponding optical axes of the white LED lamps, respectively. The white light from the white LED lamps can be converged by the respective lens portions of the light transmission layer to be radiated outside as spot light(s). The colored light from the colored LED lamps can be diffused through the light diffusion layer to be radiated outside as diffused light.12-25-2008
20080316742SEVEN COLORS LIGHT EMITTING MODULE AND SEVEN COLORS DECORATING LAMP STRING INCLUDING THE SAME - A seven-color light emitting module and a seven-color decorating lamp string comprising the same. The seven-color light emitting module includes a lampshade made of a transparent plastic or synthetic resin, and a lamp socket on which three colors self-flashing light emitting diode, a zener diode, a current limiting resistance and a double-side printed circuit board (PCB) are sealed. The three colors light emitting diodes connect with PCB and connect with the zener diode in parallel. One end of the zener diode or two ends of the zener diode connects with the current limiting resistance in series. A transparent epoxy resin or silicon glue is filled in the lampshade. The seven-color decorating lamp string include a power supply plugs, a power supply module which has a PCB and a rectifying and filter circuit connected by wires and a plurality of said seven colors light emitting modules12-25-2008
20080316741LIGHT EMITTING APPARATUS AND SURFACE LIGHT SOURCE APPARATUS HAVING THE SAME - Provided are a light emitting apparatus and a surface light source apparatus having the same. The light emitting apparatus comprises a package body, a first color light emitting part in a first cavity of the package body, and a second color light emitting part in a second cavity of the package body. The package body comprises a plurality of cavities.12-25-2008
20130120980ILLUMINATION DEVICES USING NATURAL LIGHT LEDS - A method and apparatus are disclosed for a LED used in a medical device emitting a wavelength from about 200 nanometers to about 440 nanometers along a path. A composition of phosphors coats the LED to broaden the electromagnetic spectrum from about 200 nanometers to about 780 nanometers. A filter is positioned in the path to selectively permit electromagnetic radiation of a particular range of wavelengths to pass through. The medical device is used to provide a broad spectral source for medical diagnosis.05-16-2013
20130120981Organic Light Emitting Display Panel and Method of Manufacturing the Same - An organic light emitting display panel with improved efficiency and lifespan and a method of manufacturing the same are disclosed. The organic light emitting display panel according to the present invention includes a substrate having red, green, blue, and white sub-pixel regions, red, green, and blue color filters respectively formed in the red, green, and blue sub-pixel regions, an overcoat layer that is formed in the red and green sub-pixel regions except for the blue and white sub-pixel regions or is formed in the sub-pixel regions such that a thickness of the overcoat layer in the red and green sub-pixel regions is greater than a thickness of the overcoat layer in the blue and white sub-pixel regions; and organic emitting cells respectively formed in the red, green, blue, and white sub-pixel regions.05-16-2013
20110141725VARIABLE-COLOR LIGHTING SYSTEM - An illumination system consisting of a plurality of illumination sources, a common illumination flux transforming and colour mixing element, and a controller controlling the sequence of each of illumination sources operation, their power, and colour. The illumination flux transforming and colour mixing element operates to transform the power and colour of the illumination provided by light sources into a spot filling the illumination output surface and providing the desired illumination.06-16-2011
20110228527LIGHTING DEVICE - A lighting device (09-22-2011
20090086477PLANAR LIGHT SOURCE AND METHOD OF MANUFACTURING PLANAR LIGHT SOURCE - A planar light source directly mixes three colors of light from light-emitting diodes into white light. The planar light source has a plurality of red (04-02-2009
20090086476Light Emitting Diode Recessed Light Fixture - A recessed light fixture includes an LED module, which includes a single LED package that is configured to generate all light emitted by the recessed light fixture. For example, the LED package can include multiple LEDs mounted to a common substrate. The LED package can be coupled to a heat sink for dissipating heat from the LEDs. The heat sink can include a core member from which fins extend. Each fin can include one or more straight and/or curved portions. A reflector housing may be coupled to the heat sink and configured to receive a reflector. The reflector can have any geometry, such as a bell-shaped geometry including two radii of curvature that join together at an inflection point. An optic coupler can be coupled to the reflector housing and configured to cover electrical connections at the substrate and to guide light emitted by the LED package.04-02-2009
20090002980Pixel Array and Tile for a Video Display - The invention provides a rectangular pixel array, a tile for a large display such as a video and a method for forming a rectangular array of pixels. The pixel array includes a reflector array having a reflector well for each pixel and a dice carrier including a plurality of dice for each pixel.01-01-2009
20090002979LIGHT EMITTING DEVICE (LED) LIGHTING SYSTEMS FOR EMITTING LIGHT IN MULTIPLE DIRECTIONS AND RELATED METHODS - Some embodiments of the present invention provide a lighting system for emitting light in multiple directions including one or more light emitting devices (LEDs) and a housing configured to receive the one or more LEDs. The one or more LEDs are configured to generate light in a first direction to illuminate a first area proximate to the lighting system. The housing is configured to reflect a portion of the generated light so as to allow a remaining portion of the generated light to pass through the housing in a second direction, different from the first direction, and illuminate a second area proximate to the lighting system. Related methods are also provided herein.01-01-2009
20090103293Illumination Device with Light Emitting Diodes and Moveable Light Adjustment Member - A light emitting device is produced using one or more light emitting diodes within a light mixing cavity formed by surrounding sidewalls. The light emitting device includes a light adjustment member that is movable to alter the shape or color of the light produced by the light emitting device. For example, the light adjustment member may alter the exposure of the wavelength converting area to the light emitted that is emitted by the light emitting diode in the light mixing cavity. Alternatively, the height of a lens may be adjusted to change the width of the beam produced. Alternatively, a movable substrate with areas of different wavelength converting materials may adjustably cover the output port of the light mixing cavity to alter the color point of the light produced.04-23-2009
20090213585LIGHT EMITTING DIODE DISPLAY DEVICE - A light emitting diode display device includes a circuit board and a plurality of pixel units. Each pixel unit includes a light emitting diode assembly positioned on and electrically connected to the circuit board, and a light-mixed component positioned on a side of the light emitting diode assembly configured for mixing lights emitted from the light emitting diode assembly to generate a mixed light beam.08-27-2009
20090219714Tile for Solid State Lighting - A solid state lighting tile (09-03-2009
20090244891Electronic display device with integrated lighting system - An electronic visual display system with an integrated general lighting system including an electronic visual display having a housing and one or more lighting devices integrated therewith to provide light to one or more spaces external to the electronic visual display housing. The lighting devices have an independent on and off state which allows for the lighting devices to be in the on state independent of the on and off state of the electronic visual display. The lighting devices provide a relatively constant and user selectable color and level of light output.10-01-2009
20090129072LUMINAIRE - A luminaire comprising an output aperture having an input port and an output port, a radiation guide having an input port and an output port and an array of LEDs located at the input port of the guide. Light emitted by the LEDs is transmitted into the guide. The input port of the aperture operatively connects to the output port of guide and is positioned adjacent thereto so that a central plane of the output aperture is asymmetric relative to a central plane of the radiation guide.05-21-2009
20090129073Illumination Assembly Having Multiple Emitters - An exemplary embodiment of an illumination assembly includes a reflector housing having a plurality of cavities formed therein, an a plurality of light emitters mounted in the plurality of cavities. Each of the plurality of cavities contains a single one of the plurality of light emitters.05-21-2009
20100265701OPTICAL DEVICE FOR MIXING AND REDIRECTING LIGHT - The present invention provides an optical device configured for the creation of an asymmetric illumination beam pattern while additionally mixing the light created by two or more light-emitting elements. The optical device comprises a reflector body which extends between an entrance aperture and an exit aperture, wherein the two or more light emitting elements are positioned relative to the entrance aperture and light is reflected within the reflector body exiting at the exit aperture. The reflector body includes a first pair of walls including symmetric reflective elements and a second pair of walls orthogonal to the first pair of walls, wherein the second pair of walls includes asymmetric reflective elements. The first pair of walls provides a means for mixing the light generated by the two of more light-emitting elements and generating a symmetric beam pattern about a first axis. Along a second axis, orthogonal to the first axis, the second pair of walls provides a means for mixing the light generated by the two or more light-emitting elements and generating an asymmetric beam pattern.10-21-2010
20090154155OPTICAL PROJECTION DEVICE - The invention relates to an optical projection device. Said optical projection device comprises a plurality of light-emitting diode chips and at least one optical element comprising a light input surface which is associated with at least one of the light-emitting diode chips. The light decoupling surface of the light-emitting diode chip, which is adapted to the refraction index, is optically connected to the light input surface of the associated optical element.06-18-2009
20120195037LED LIGHT SOURCES FOR IMAGE PROJECTION SYSTEMS - A light source for an image projection system comprises one or more LEDs packaged for high temperature operation. The LED die are disposed on a package comprising a ceramic coated metal base including one or more underlying thermal connection pads, and underlying electrical connection pads, each LED die thermally coupled through the metal base to a thermal connection pad and electrically coupled to electrical connection pads. Arrays of LED die are fabricated by the low temperature co-fired ceramic-on-metal technique (LTTC-M). The LEDs are mounted in an array of cavities having tapered sides to reflect light from the LEDs.08-02-2012
20100177513HYBRID ILLUMINATION SYSTEM WITH IMPROVED COLOR QUALITY - A white light hybrid illumination system including an amber LED, a red LED, and a phosphor converted LED such as a blue LED chip and a green phosphor, wherein a peak emission difference between the amber and red LED is at least 25 nm. This system provides higher color quality than prior devices due to its high luminous efficacy, high CRI over a wide CCT range, and better color control.07-15-2010
20090086475Color tunable light emitting device - A color/color temperature tunable light emitting device comprises: an excitation source (LED) operable to generate light of a first wavelength range and a wavelength converting component comprising a phosphor material which is operable to convert at least a part of the light into light of a second wavelength range. Light emitted by the device comprises the combined light of the first and second wavelength ranges. The wavelength converting component has a wavelength converting property (phosphor material concentration per unit area) that varies spatially. The color of light generated by the source is tunable by relative movement of the wavelength converting component and excitation source such that the light of the first wavelength range is incident on a different part of the wavelength converting component and the generated light comprises different relative proportions of light of the first and second wavelength ranges.04-02-2009
20120140463LED PROFILE LUMINAIRE - A lighting fixture comprising a light source including an array of LEDs, a plurality of collimating optics, and a light-mixing assembly comprising a reflective tube having a converging section and a diverging section. The array comprises LEDs have a plurality of colors, such as at least one white LED and at least one amber LED positioned on a perimeter of the array. The reflective tube preferably includes a necked portion between the converging section and the diverging section. For example, a sidewall of the reflective tube can be longitudinally curved (e.g., in the shape of an asphere or a parabola). In one embodiment, a shape of the sidewall of the reflective tube can be adjustable to modify the light wash exiting the light-mixing assembly.06-07-2012
20100165618LED-BASED LUMINAIRE WITH ADJUSTABLE BEAM SHAPE - Proposed is a luminaire (07-01-2010
20100259924Lighting Apparatus Having Multiple Light-Emitting Diodes With Individual Light-Conversion Layers - A lighting apparatus includes a combination of LED dice that emit light of a first color and a wavelength-shifting material (e.g., phosphor) that converts light of the first color to light of a second color. An appropriate combination of light of the first color and light of the second color can be used to produce light of a target color. In an embodiment, LED dice in the lighting apparatus are divided into two groups. Each LED die in the first group is combined with less wavelength-shifting material than needed to produce light of the target color, while each LED die in the second group is combined with more wavelength-shifting material than needed to produce light of the target color. As a result, the two groups produce light having colors on opposite sides of the target color in the International Commission on Illumination (CIE) chromaticity diagram. In some embodiments, the target color and color variations of both groups are on one straight line in the CIE chromaticity diagram, although it is to be understood that there might be small scattering within the groups. By adjusting the relative brightness of the two groups, the target color can be obtained.10-14-2010
20090316393COMPOSITE LIGHT SOURCE - This invention relates to a composite light source (12-24-2009
20120195036HYBRID SOURCE LIGHTING SYSTEM - A lighting fixture system, comprising a first illuminant, a secondary illuminant; and a sensor configured to detect a predetermined condition, the sensor being coupled to the first illuminant and the secondary illuminant, the first illuminant and the secondary illuminant comprising different light sources, the sensor configured to cause modulation of the first illuminant and the secondary illuminant in response to detection of the pre-determined condition.08-02-2012
20100259925ILLUMINATING TEXTILE ARTICLE - The invention discloses an illuminating textile article including a diode-based lighting device and a textile body. The diode-based lighting device has M contact points where M is an integer equal to or larger than 2. The textile body is constituted by N conductive yarns and at least one non-conductive yarn where N is an integer equal to or larger than 2, and provides M′ conductive floating points of the conductive yarns which are separated by the at least one non-conductive yarn from one another. Each of the M contact points corresponds to one of the M′ conductive floating points and is fixed to the corresponding conductive floating point. The conductive yarns provide terminals for electric connection of a power supply.10-14-2010
20100226122Light Wave Type Insect Repellent Device - A light wave type insect repellent device is set up in an area where various crops are grown and comprises a plurality of lamps each having a plurality of light emitting elements and a power source, each lamp comprises a socket with a flash IC, each of the light emitting elements is connected to the flash IC by a power cable and generates yellow and orange flash light, each socket is covered with a cover which is provided with a plurality of through holes through which each light emitting light is protruded out of the cover to generate light to repel harmful insects day and night.09-09-2010
20100254126LED-based lighting module for emitting white light with easily adjustable color temperature - Disclosed is an LED white-light lighting module with an easily adjustable color temperature. The LED white-light lighting module includes a substrate, at least one red LED package, at least one green LED package, at least one blue LED package and a light tube. The red, green and blue LED packages are provided on the substrate. Each of the LED packages includes a plurality of scattering particles for providing preferred senses of direction of light so that red, green and blue light beams almost completely overlap to provide a white light beam. The light tube is transparent and contains the substrate.10-07-2010
20110110079LIGHT GUIDE ILLUMINATION DEVICE - A light guide illumination device is provided. The light guide illumination device includes a light guide shade configured with a spherical shape. The light guide shade includes a light inputting aperture and a light outputting aperture. The light inputting aperture is adapted for receiving a light emitting unit therein. The light emitting unit is adapted for emitting a light therefrom. The light guide shade has an inner spherical surface serving as a light reflecting surface. The light reflecting surface is adapted for reflecting the light for one or more times and outputting the reflected light out from the light outputting aperture. The outputted light is then projected from the light outputting aperture to the ambient space.05-12-2011
20110103050360 Degree Viewable Light Emitting Apparatus - A light emitting apparatus and method of manufacturing thereof are disclosed. The light emitting apparatus includes a plurality of printed circuit boards connected to one another, a light emitting element disposed on and electrically connected to each printed circuit board, and at least one connector disposed between the printed circuit boards. The method of manufacturing the light emitting apparatus includes disposing a light emitting element on a plurality of printed circuit boards, arranging planar surfaces of the plurality of printed circuit boards substantially opposite, and connecting the plurality of printed circuit boards to one another.05-05-2011
20100226123LED OPERATING ROOM LIGHT - A light for operating rooms includes a light housing (09-09-2010
20100254128REFLECTOR SYSTEM FOR LIGHTING DEVICE - A reflector system for a lighting device. The system uses two reflective surfaces to redirect the light before it is emitted. The light source/sources are disposed at the base of a secondary reflector. The first reflective surface is provided by a primary reflector which is arranged proximate to the source/sources. The primary reflector initially redirects, and in some cases diffuses, light from the sources such that the different wavelengths of light are mixed as they are redirected toward the secondary reflector. The secondary reflector functions primarily to shape the light into a desired output beam. The primary and secondary reflectors may be specular or diffuse and may comprise faceted surfaces. The reflector arrangement allows the source to be placed at the base of the secondary reflector where it may be thermally coupled to a housing or another structure to provide an outlet for heat generated by the sources.10-07-2010
20100254129SATURATED YELLOW PHOSPHOR CONVERTED LED AND BLUE CONVERTED RED LED - SSL lamps or luminaires are disclosed that combine blue, yellow (or green) and red photons or emissions to generate light with the desired characteristics. In different embodiments according to the present invention, the blue emission is not provided by an LED chip or package having a blue LED coated with a yellow phosphor, with blue light leaking through the yellow phosphor. Instead, the blue light component can be provided by other types of LED chips in the SSL luminaire such as one having a blue LED covered by a different colored conversion material, with blue light from the blue LED leaking through the different colored conversion material. In one embodiment, the blue component can be provided by an LED chip comprising a blue emitting LED covered by a conversion material that absorbs blue light and re-emits red light, with a portion of the blue light from the LED leaking through the red conversion material.10-07-2010
20110058369LED LAMP DEVICE HAVING A FLUORESCENT ELEMENT SHAPED FOR UNIFORM LIGHT CONVERSION - An LED lamp device includes a plurality of LED elements separately mounted on a substrate and effective to emit light having a first wavelength. A fluorescent element includes a fluorescent material excitable by light emitted from the LED elements to emit light of a second wavelength, and is arranged to cover each LED element with no gaps provided between the fluorescent element and the substrate. The fluorescent element is shaped in accordance with the positioning of the LED elements and the spaces defined there-between such that a proportion of light of the first wavelength with respect to light of the second wavelength is substantially uniform irrespective of light exit direction.03-10-2011
20100220473PACKAGE FOR LIGHT EMITTING DEVICE AND METHOD FOR PACKAGING THE SAME - There are provided a light emitting device package and a method for manufacturing the same. The light emitting device includes: a plurality of barriers provided above a metal circuit board; a plurality of light emitting devices placed in a space between the barriers; and a lens unit provided at an upper side of the barrier. Accordingly, the plurality of light emitting devices can be conveniently seated as a module format, and a luminance can be increased. Also, an efficiency of heat sink can be increase.09-02-2010
20090116232COLOR CONTROL OF MULTI-ZONE LED BACKLIGHT - The present invention relates to a light emitting diode (LED) backlight having a plurality of LED strips, in which driving current supplied to each of the plurality of LED strips is adjusted according to measured differences in chromaticity coordinates between the actual light chromaticity and brightness output by each LED strip and a desired light chromaticity and brightness of each LED so that the LED backlight generates light of a desired color with a uniform brightness, and methods of operating the same.05-07-2009
20090040755Light-Emitting Device With Chromatic Control - The light-emitting device includes a base substrate and preferably three light-emitting diodes respectively associated with three primary colors and emitting a part of their signal in the direction of the base substrate. The device includes three chromatic photodetectors formed in the base substrate constituting a semiconducting substrate, and each arranged under an associated light-emitting diode. Each chromatic photodetector includes superposed first, second and third layers. The first layer and third layer have a first type of conductivity and the second layer has a second type of conductivity. The device includes a control component connected to the chromatic photodetectors and to the light-emitting diodes to control the global color of the light emitted by the device.02-12-2009
20090073687Single Color LED Clusters for Image Generation - A display device for increasing brightness of an image generation, including a color cluster system, is provided. The system includes a first color LED cluster having at least a first LED of a first wavelength within a first color range and a second LED of a second different wavelength within the first color range. The light from the first LED may be combined at least partially with light from the second LED The system further comprises a second color LED cluster having at least a first LED of a first wavelength within a second color range and a second LED of a second different wavelength within the second color range. In the second color LED cluster, the light from the first LED may be combined at least partially with light from the second LED.03-19-2009
20090323322Lamp Formed of LED Clusters with Controllable coloring parts - Light formed from LEDs which are colored by flags to avoid color degradation.12-31-2009
20090109669Precise repeatable setting of color characteristics for lighting applications - A desired color of illumination of a subject is achieved by determining settings for color inputs and applying those setting to one or more systems that generate and mix colors of light, so as to provide combined light of the desired character. In the examples of appropriate systems, an optical integrating cavity diffusely reflects light of three or more colors, and combined light emerging from an aperture of the cavity illuminates the subject. System settings for amounts of the different colors of the input lights are easily recorded for reuse or for transfer and use in other systems.04-30-2009
20080310155LED LIGHTING DEVICE - An LED lighting device is disclosed. The LED lighting device includes a lampshade, a circuit board, edge lighting light emitting diodes (LEDs), and an optical film set. The lampshade has a bottom and a side wall connected to the periphery of the bottom. The other end of the side wall opposite to the bottom defines a light outlet section. The circuit board is provided at the lampshade. The edge lighting LEDs are disposed on the bottom of the lampshade and are electrically connected to the circuit board. Light emitted from each of the edge lighting LEDs is reflected by the lampshade and then exits the lighting device through the light outlet section. The optical film set is disposed at the light outlet section of the lampshade.12-18-2008
20080304261LIGHTING DEVICE AND LIGHTING METHOD - A lighting device comprising one or more solid state light emitters which emit near ultraviolet light and one or more lumiphors which emit light having a wavelength in the range of from 490 nm to 555 nm, which in the absence of other light would produce a mixture of light within an area defined by x, y coordinates (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), and (0.36, 0.38). The lighting device may further comprise one or more 600 nm to 630 nm light emitters, and a mixture of light emitted from the lighting device may be within ten MacAdam ellipses of the blackbody locus. Also, packaged solid state light emitters and methods of lighting.12-11-2008
20090109668LED LIGHT SOURCE AND METHOD OF MANUFACTURING THE SAME - After the LEDs 04-30-2009
20100296278Plant Illumination Device And Greenhouse Provided With A Plant Illuminating Device - The invention relates to a plant illumination device for exposing to light plants that are to be grown in a greenhouse, which plant illumination device comprises: at least one lighting fitting with a first light source, which first light source is an assimilation lamp in the form of an incandescent lamp or a gas discharge lamp, the first light source having a first spectrum, and said first light source having a power of at least 250 W; —at least one additional lighting unit (11-25-2010
20100296279TABLE LAMP WITH AN ADJUSTABLE PROJECTING AREA - A table lamp with an adjustable projecting area includes an illuminator. The illuminator has a diffuser detachably mounted on one side thereof and at least one fastening means disposed thereon corresponding to the diffuser for selectively fastening the diffuser on the illuminator. At least one lamp is received in the illuminator for emitting lights. The at least one lamp is provided for a spotlighting function and covered by the diffuser.11-25-2010
20130135854ILLUMINATION DEVICE - An illumination device includes a base, a flexible circuit board disposed on the base, and a plurality of illumination units. The flexible circuit board has a plurality of first branches and at least one second branch which are connected together. Each of the first branches has a radius of curvature, and the radii of curvature of the first branches are different from or identical to one another, so that the first branches are assembled to form a curved surface. The second branch extends from one of the first branches. After the first branches are assembled, the second branch is overlapped with another first branch. The illumination units are packaged onto the first branches of the flexible circuit board. Here, the illumination units located on one of the first branches is electrically connected to the illumination units located on another of the first branches through the second branch.05-30-2013
20130135855ILLUMINATING SYSTEM OF FLEXIBLE SHAPE - Disclosed is an illuminating system of flexible shape and comprising at least one LED disposed on a flexible carrier material, an optic being provided that permits uniform, directed and/or glare-free light emission.05-30-2013
20130135856ILLUMINATION DEVICE - Light having little color inconsistency is effectively emitted with a simple structure achieving favorable productivity. A plurality of multi-color light emitting diodes comprising a plurality of LED chips having different light emission colors is disposed on the same surface such that the light emitted by the plurality of the multi-color light emitting diodes is mixed and emitted in a illumination device, wherein at least one multi-color light emitting diode from among the plurality of multi-color light emitting diodes is disposed while being rotated by a prescribed angle with reference to one other multi-color light emitting diode in such a manner that when translating the one multi-color light emitting diode so as to overlap with the one other multi-color light emitting diode, LED chips having the same light emission color do not overlap with each other.05-30-2013
20100321933PROJECTOR DEVICE, LAMINATE TYPE LIGHT-EMITTING DIODE DEVICE, AND REFLECTION TYPE LIGHT-EMITTING DIODE UNIT - A laminate type light emitting diode device having excellent heat radiation performance and high output capability is provided. A plurality of reflection type light emitting diode units 12-23-2010
20100321932LED LAMP STRING DEVICE IN WHICH THE LED LAMP ASSEMBLIES HAVE ROUGHLY THE SAME SHINING LUMINANCE, AND ITS REALIZING METHOD - A LED lamp string device in which the LED lamp assemblies have roughly the same shining luminance, and its realizing method, based on the said LED lamp string device comprising a plurality of LED lamp assemblies and a power supply module, make decorative covers using different material that have different transparency based on the different luminance classes, let the rate of transparency of said decorative cover correspond with the above-mentioned light-emitting luminance class of said LED luminous bodies based on the inverse relation; Put said decorative covers onto suitable LED luminous bodies respectively based on the said inverse relation so as to make LED lamp assemblies covered with suitable translucent decorative hoods have roughly the same shining luminance. The current invention overcomes shortcoming of ragged luminance of LED luminous body in LED lamp assemblies, and enhances beauty of said LED lamp string assemblies; enriching colors of light emitted by said LED lamp string device; if LED lamp string device use LED luminous bodies having the same electrical specifications, the abnormal damage problem of the above LED luminous bodies also can be avoided effectively.12-23-2010
20110242804LIGHTING APPARATUS - Disclosed herein is a lighting apparatus. The lighting apparatus includes: a first light emitting unit including one or more main light sources radiating white light downward; one or more second light emitting units formed at the sides under the first light emitting unit and including one or more sub-light sources radiating color light that is mixed with the white light radiated from the first light emitting unit; and a light guide plate mixing the white light radiated from the main light sources and the color light radiated from the sub-light sources and radiating the mixed light downward.10-06-2011
20090067168METHOD AND DEVICE FOR EMITTING MIXED LIGHT COLORS - In order to avoid firstly decidedly periodic loading of an output-buffered constant current power supply unit (03-12-2009
20090034249SET-POINT VALIDATION FOR COLOR/INTENSITY SETTINGS OF LIGHT FIXTURES - Disclosed examples of lighting systems having at least three light sources of different colors may be controlled by validating input settings representing chromaticity and/or intensity of desired light to be generated by determining if the respective lighting system is capable of generating the desired light. This may involve comparing the chromaticity and/or intensity to a three-dimensional gamut representing chromaticity and associated intensities that the lighting system is capable of generating. The top contour of the gamut represents the maximum intensities for every chromaticity which the lighting system is capable of generating. Specifically the top contour is defined by points representing the maximum attainable intensities that each light source is capable of generating and the maximum intensity attainable by the lighting system.02-05-2009
20110116261LIGHT EMITTING DIODE ILLUMINATION SYSTEM - In various embodiments of the invention, a unique construction for Light Emitting Diodes (LEDs) with at least one luminescent rod and extracting optical elements is used to generate a variety of high brightness light sources with different emission spectra. In an embodiment of the invention, forced air cooling is used to cool the luminescent rod. In an embodiment of the invention, totally internal reflected light can be redirected outward and refocused. In another embodiment of the invention, light emitted by the luminescent rod is out-coupled for use in a variety of applications. In various embodiments of the invention, a plurality of independent narrow band colors can be coaxially combined.05-19-2011
20110116260ACTUATING DEVICE FOR OPERATING LAMPS - An actuating device for operating lamps (05-19-2011
20110116259CREATING AND MODIFYING A COLORED SHADOW - There is described a lighting system for illumination of an object, comprising: a focusing light source for illuminating the object and creating a shadow of the object; and a background light source for illuminating a region comprising the shadow; and at least one LED emitting light, in one of the focusing light and the background light, of a given color in an appropriate quantity to color the shadow a target color.05-19-2011
20110128729MULTI-COLOR INDICATOR LIGHTING - A light for multi-color indication, for example, as navigation light, has a light source with a plurality of LEDs on a common substrate, within a common package and a common package lens. The LEDs may be of different colors. A reflector may be mounted opposite the light source to direct “mixed-color” light through differently colored portions of a casing lens. A reflective surface of the reflector may be shaped substantially as a surface of rotation. A reflective material such as a film may be positioned on the casing lens to extend over at least part of an angular range of any of the lens portion(s) corresponding to an unneeded light color, so as to reflect incident light towards a selected one of the lens portions corresponding to a needed light color.06-02-2011
20120230025LIGHTING DEVICE AND THE FIXING MECHANICS THEREOF - Example embodiments relate to a lighting device comprising a shell, at least one LED positioned at the bottom of the shell, and at least one fixing mechanics. The fixing mechanics comprises a base and a fixing element. An end of the base forms a plurality of pins which is ended with a hook. The fixing element connected with the base is fixed on the bottom of the shell.09-13-2012
20110141726LARGE-ANGLE LED LIGHTING APPARATUS - A large-angle LED lighting apparatus includes a lamp shield having an outer cover and a diffusing cover; a printed circuit board; a plurality of LED lamps electrically coupled to the printed circuit board; and a heat dissipating post. Wherein, the LED lamps are annularly arranged around a center of the printed circuit board, the LED lamps are electrically coupled to an upper surface or a lower surface or the upper and lower surfaces of the printed circuit board, the LED lamps are arranged to form an angle at a range from 20 degrees to 170 degrees relative to the printed circuit board, and the heat dissipating post is fixedly or detachably connected with the printed circuit board.06-16-2011
20110242805LIGHT EMITTING DEVICE ARRAY - A light emitting device array is provided comprising a printed circuit board on which a plurality of electrode patterns having the same width is formed, a light emitting device package disposed on a predetermined number of electrode patterns and a power supply line disposed on at least one of the remaining electrode pattern except for the predetermined number of electrode patterns.10-06-2011
20110085325ORGANIC LIGHT-EMITTING DIODE LUMINAIRES - There is provided an organic light-emitting diode luminaire. The luminaire includes a patterned first electrode, a second electrode, and a light-emitting layer therebetween. The light-emitting layer includes a first plurality of pixels having a first emitted color; and a second plurality of pixels having a second emitted color, the second plurality of pixels being laterally spaced from the first plurality of pixels. In the luminaire the pixels have a pitch no greater than 200 microns. The additive mixing of all the emitted colors results in an overall emission of white light.04-14-2011
20090323321Authoring, recording, and replication of lighting - Systems and methods permit use of efficient solid state emitters for broad spectrum continuous spectrum lighting defined by illumination data. The illumination data, which can be sold as a commercial product, can be recorded or authored and include spectral, temporal, and spatial information. Intensities of individual emitters such as LEDs can be controlled through a combination of pulse width modulation (PWM) and amplitude modulation (AM) of drive currents. The combination of PWM and AM permits fine tuning of the spectrum of emissions and creation of free space optical data channels.12-31-2009
20100014287ILLUMINATING DEVICE WITH HEAT DISSIPATING ELEMENT - An exemplary illuminating device includes a circuit board, a plurality of light sources, a thermal interface material, and a plurality of stretched resilient elements. The circuit board has a first surface and a second surface at an opposite side of the circuit board to the first surface. The plurality of light sources is electrically mounted on the first surface of the circuit board. The heat dissipating device is attached on the second surface of the circuit board. The thermal interface material is applied between the second surface of the circuit board and the heat dissipating device. The plurality of resilient elements are configured for connecting the circuit board with the heat dissipating device and providing a pulling force therebetween.01-21-2010
20100039806LED LIGHTING UNITS AND ASSEMBLIES WITH EDGE CONNECTORS - An LED light unit includes a tile, a plurality of discrete LED light sources, and an edge connector. The LED light sources are on and dispersed across a major surface of the tile and are electrically connected to electrical pads along an edge region of the tile. The edge connector includes a plurality of contacts that are connected to a plurality of wires extending away from the edge connector, and is configured to releasably connect to an edge of the tile so that the contacts directly connect to the pads and electrically connect the wires of the edge connector to the LED light sources. An LED lighting assembly includes a plurality of the discrete tiles mounted to a plurality of bars, and a plurality of edge connectors that are each connected to an end one of the tiles along different ones of the bars.02-18-2010
20100039804ILLUMINATING DEVICE - The invention relates to an illuminating device (02-18-2010
20100039805Focusing Color LED Emitter - In a color-selectively dimmable and focusing LED emitter comprising a plurality of different-colored LEDs arranged, on a support element, as a plurality of similar LED tuples, each of the LED tuples comprising at least two different-colored LEDs, each LED tuple having assigned thereto a separate reflector, and each of the LED tuples being rotated about the optical axis of the associated reflector relative to a neighboring LED tuple. Improved color mixing is achieved together with high efficiency and good focusing in that the LED-emitter comprises more than four LED tuples and each of the LED tuples is rotated about the optical axis of the associated reflector relative to a preceding neighboring LED tuple by a respective angle φ, the angle φ being calculated as 360° divided by the number of the LED tuples.02-18-2010
20120243220LIGHT EMITTING APPARATUS - A light emitting apparatus includes solid light-emitting elements being assorted into light emission groups each of which includes the solid light-emitting elements arranged adjacent to one another; transparent encapsulating members arranged in a corresponding relationship with the light emission groups to cover light emission surfaces of the solid light-emitting elements belonging to the corresponding light emission groups; and wavelength converting members arranged in a corresponding relationship with the transparent encapsulating members to cover light projection surfaces of the transparent encapsulating members, the wavelength converting members serving to wavelength-convert light beams emitted from the solid light-emitting elements to light beams having different colors, each of the wavelength converting members having a trough shape.09-27-2012
20120243222HOT LIGHT EMITTING DIODE (LED) LIGHTING SYSTEMS - LED lighting systems operate their LED above a junction temperature of 85° C. and space apart from the LED, components of the LED lighting system that reduce an expected lifetime of the LED lighting system to less than 25,000 hours as a result of operating the LED above the junction temperature of 85° C. Accordingly, the LED itself may be driven hotter than is conventionally the case, without impacting its lifetime. By allowing the LED to operate hotter, reduced heat sinking may be needed for the LED itself, which can decrease the cost, size and/or complexity of the thermal management system for the LED lighting system and/or can allow a thermal budget for the LED lighting system to be used elsewhere. Related structures are also described.09-27-2012
20100053948DEVICE FOR MIXING LIGHT OF SIDE EMITTING LEDS - A light emitting device (03-04-2010
20110176301METHOD TO PRODUCE HOMOGENEOUS LIGHT OUTPUT BY SHAPING THE LIGHT CONVERSION MATERIAL IN MULTICHIP MODULE - A multichip module includes a series of light sources arranged in a planar array, separated by a distance d07-21-2011
20100135010CONDENSING DEVICE FOR LED - A condensing device for LED includes a base arranged with LED on a surface thereof and a projecting lens aligned to a center of the base. Lights from the LED will be concentrated by the projecting lens without scattering.06-03-2010
20100135009CUSTOM COLOR LED REPLACEMENTS FOR TRADITIONAL LIGHTING FIXTURES - A system useful as a light bulb replacement fixture is presented comprising a light bulb replacement fixture; at least one light emitting diode connected to the light bulb replacement fixture; and at least one quantum dot for absorbing light of a first wavelength emitted by the at least one light emitting diode and emitting light of a second wavelength.06-03-2010
20110249433ILLUMINATION DEVICE WITH LIGHT EMITTING DIODES AND MOVEABLE LIGHT ADJUSTMENT MEMBER - A light emitting device is produced using one or more light emitting diodes within a light mixing cavity formed by surrounding sidewalls. The light emitting device includes a light adjustment member that is movable to alter the shape or color of the light produced by the light emitting device. For example, the light adjustment member may alter the exposure of the wavelength converting area to the light emitted that is emitted by the light emitting diode in the light mixing cavity. Alternatively, the height of a lens may be adjusted to change the width of the beam produced. Alternatively, a movable substrate with areas of different wavelength converting materials may adjustably cover the output port of the light mixing cavity to alter the color point of the light produced.10-13-2011
20110249432Lighting Device with Variable Controls and Operation - A multi-spectrum emitting device is provided including one or more emitters configured to emit in a first spectrum and a second spectrum. Devices include a switching mechanism with at least two switching elements. The switching mechanism may be configured to require simultaneous activation of the at least two switching elements in order to change emissions from the first spectrum to the second spectrum. The first spectrum may be a non-visible light spectrum and the second spectrum may be a visible light spectrum. Devices may also include a tactile feedback mechanism that provides different tactile feedback for different emission modes of the device.10-13-2011
20090027881THEATRE LIGHT APPARATUS INCORPORATING LED TRACKING SYSTEM - A multiparameter light is disclosed, which incorporates an LED (light emitting diode) tracking ring surrounding a main output lens. The LED tracking ring is capable of additive color mixing and in turn can simulate the color of the main projected light projecting from the main output aperture or output lens of the multiparameter light.01-29-2009
20120201025LIGHTING APPARATUS PROVIDING INCREASED LUMINOUS FLUX WHILE MAINTAINING COLOR POINT AND CRI - A lighting module includes a plurality of solid state light emitting components configured to collectively emit light having a desired white point and a color rendering index (CRI) of greater than about 90. The module further includes at least one additional solid state light emitting component configured to individually emit light having a white point substantially similar to the desired white point. The at least one additional light emitting component may increase a lumen output of the lighting module without substantially altering the desired white point of the light collectively emitted by the plurality of light emitting components.08-09-2012
20120147601ILLUMINATION SYSTEM FOR STAGE LIGHTING AND METHOD FOR PROVIDING HIGH-BRIGHTNESS WHITE LIGHT - An illumination system for stage lighting and a method for providing high-brightness white light are provided. The illumination system for stage lighting includes LED arrays (06-14-2012
20120275147Apparatus and Methods for Selecting Light Emitters - Provided are devices and methods for grouping light emitters and devices including the same. Embodiments of such methods may include selecting a portion of the light emitters using a region of a multiple axis color space that is configured to represent each of a plurality of colors as at least two chromaticity coordinates. The region may be proximate a predefined point on the multiple axis color space and includes a major axis having a first length and a minor axis having a second length that is less than the first length.11-01-2012
20100254127LED-based lighting module for emitting white light with easily adjustable color temperature - Disclosed is an LED white-light lamp with an easily adjustable color temperature. The LED white-light lamp includes a substrate, a plurality of red LED packages, a plurality of green LED packages, a plurality of blue LED packages, a lampshade and a conductive device. The red, green and blue LED packages are provided on the substrate. Each of the red, green and blue LED packages includes an LED chip for emitting red, green or blue light, a cover for covering the LED chip and a plurality of scattering particles scattered in the cover. The lampshade is connected to the periphery of the substrate to block undesired senses of direction of light emitted from the LED packages. The conductive device is connected to the lampshade and the substrate to supply electricity to the red, green and blue LED chips from an external power supply to actuate the LED chips to emit the red, green and red light that is mixed into white light.10-07-2010
20100296280White-light LED Device and Illuminating Method of the same - A white-light LED device is disclosed. The white-light LED device includes a base, at least one purple light source and at least one yellow light source. The purple light source and the yellow light source are disposed on the base, and they are adjacent to each other such that the illuminations are mixed to produce white light. An illumination method is also disclosed. The illumination method includes the following steps: At least one purple light source and at least one yellow light source are disposed on a base. The illuminations of the yellow light source and the purple light source are mixed to produce white light.11-25-2010
20080247162Light-Emitting Diode Cluster Lamp - The invention relates to a light-emitting diode cluster lamp. The light-emitting diode cluster lamp includes a plurality of light-emitting diode lamp packages, a control circuit, and a casing. Each of the light-emitting diode lamp packages includes a heat-conducting/dissipating module and a light-emitting diode module. The control circuit module is used for controlling the light-emitting diode lamp packages. The casing is adapted to accommodate the light-emitting diode lamp packages and the control circuit module. When the light-emitting diode cluster lamp is connected to a power source, the control circuit module selectively makes the light-emitting diode modules emit light. The heat generated during the light emission of each of the light-emitting diode modules is conducted and dissipated by the corresponding heat-conducting/dissipating module of each of the light-emitting diode modules.10-09-2008
20120201024LIGHTING DEVICE WITH FLEXIBLY COUPLED HEATSINKS - Lighting devices include multiple heatsink elements arranged to dissipate heat generated by the multiple solid state emitters, with non-rigid coupling between heatsink elements. At least a portion of each heatsink element is preferably exposed to an ambient environment. Each heatsink element may include a switching element, may be addressable, and may receive wired or wireless control signals. A modular solid state lighting unit includes a heatsink and at least one solid state light emitter, with at least one flexible element secured to the heatsink element and to multiple electrical couplings. Flexible rope lights and two-dimensional arrays of emitters are provided.08-09-2012
20080310154LIGHTING DEVICE AND LIGHTING METHOD - A lighting device comprising two or more solid state light emitters which emit light in the range of 430 nm to 480 nm and one or more lumiphors which emit light in the range of 555 nm to 585 nm. Also, a lighting device comprising two or more solid state light emitters. The lighting devices make a mixture of light which in the absence of any other light would be within an area defined by coordinates (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), and (0.36, 0.38). The lighting device may further comprise one or more 600 nm to 630 nm light emitters, and the lighting device may emit light within ten MacAdam ellipses of the blackbody locus. Also, packaged solid state light emitters and methods of lighting.12-18-2008
20110157884OPTOELECTRONIC DEVICE - A light-emitting device includes an insulating carrier; a light-emitting array formed on the insulating carrier including a first light-emitting circuit having a first light-emitting unit, wherein the first light-emitting circuit is a one-way circuit, a second light-emitting circuit having a second light-emitting unit, wherein the second light-emitting circuit is a one-way circuit, a first conductive layer, a second conductive layer, and a third conductive layer, wherein the first light-emitting circuit is formed between the first conductive layer and the second conductive layer and connects with them electrically, the second light-emitting circuit is formed between the second conductive layer and the third conductive layer and connects with them electrically, wherein an area of the second conductive layer is greater or equal to 1.9×1006-30-2011
20080304262LIGHT EMITTING DEVICE AND CAMERA-EQUIPPED CELLULAR PHONE INCORPORATING THE SAME - A light emitting device includes: a first and second LED chips for emitting light with a first and second wavelengths which are different from each other; and a translucent sealing resin for sealing the first and second LED chips; wherein the sealing resin contains a fluorescent material which is excited by light with the first wavelength but is not excited by light with the second wavelength, so that the light with the second wavelength and white light resulted from color mixture of the light with the first and second wavelengths and light emitted from the fluorescent material can be selectively emitted. The above light emitting device is adapted for a camera-equipped cellular phone.12-11-2008
20080285268Backlight Device - Disclosed is a backlight device for illuminating a transmissive color liquid crystal display panel from its backside with white light. The backlight device includes, as a light source, a plural number of principal light emitting diode units 11-20-2008
20090021930Flexible multicolor light-emitting assembly - A flexible multicolor light-emitting assembly including at least three flexible conductive carriers and multiple multicolor light-emitting diodes connected between the flexible conductive carriers. The flexible conductive carriers can be freely flexed and bent as necessary. Therefore, the multicolor light-emitting diodes can be arranged in various patterns such as some characters or figures. Also, the flexible conductive carriers with the multicolor light-emitting diodes can be wound around or attached to an article such as a clothes, a sign, etc. After powered on, the multicolor light-emitting diodes are energized and lighted up to emit colorful light at the same time (in a sparkling state) or at different times (as a circular light).01-22-2009
20080310152Led Lighting - The present invention generally relates to a lighting system comprising LED modules (12-18-2008
20100309661MULTI-WAVELENGTH SEMICONDUCTOR LASER DEVICE - A multi-wavelength semiconductor laser device includes a block having a rectangular groove with a bottom face and two side faces extending in a predetermined direction; and laser diodes with different light emission wavelengths mounted on the bottom face and the side faces of the groove in the block so that their laser beams are emitted in the predetermined direction.12-09-2010
20100309660Lighting device - A lighting device includes a case body including a receiving cavity and at least a portion including at least one first hole, a light emitting module in the receiving cavity, the light emitting module including a plurality of light emitting devices, a lens on the light emitting module, and a case cover including an opening through which the lens is exposed, the case cover being disposed on the case body. A heat sink is between the light emitting module and the case body to transfer heat from the light emitting module to the case where the case body acts as a conduit to transfer heat from the light emitting module to the portion of the case body including at least one first hole and the case cover has at least a portion including at least one second hole and the first hole of the case body corresponds with the second hole of the case cover.12-09-2010
20120147600LIGHT EMITTING DIODE (LED) LAMPS - A lamp comprises a thermally conductive body comprising a cavity having a first opening and a plurality of second openings and one or more LED mounted in thermal communication with the thermally conductive body. The cavity and the first and second openings are configured such that in operation air moves through the cavity between the first opening and the second opening by thermal convection to provide cooling of the thermally conductive body. Where the thermally conductive body is symmetrical the cavity can extend coaxially within the body. The first opening can be on an end surface of the body whilst the second openings are on a side surface. The can be configured such that the outer surface of the lamp has a form factor that resembles the envelope of an incandescent light bulb; resembles an MR-16 halogen reflector lamp or resembles an MR-11 halogen reflector lamp.06-14-2012
20080253115Light mixing and light guiding apparatus - A light mixing and light guiding apparatus includes a main substrate, at least a light emitting device and a curved reflective plate. The main substrate has a reflecting side at a side thereof. The light emitting device is provided on the reflecting side of the main substrate. The curved reflective plate has difference curvatures gradually greater from an end to the other end thereof. An opening is formed between the second lateral edge of the main substrate and the curved reflective plate, and the curved reflective plate substantially covers the main substrate and the light emitting device substantially to achieve the light guiding function. The present invention may mix the light by the repeated reflection between the main substrate and the curved reflective plate.10-16-2008
20080205052METHOD AND SYSTEM FOR THE RECOGNITION OF AN OPTICAL SIGNAL - A system and method for distinguishing a first light source from other light sources utilizes an image receiver that can selectively engage and disengage a filter. The filter can be configured to block bands of light corresponding to the light being emitted by either the first source or the other sources. By alternately engaging and disengaging the filter from the image receiver, the first light source may be distinguished from other light sources.08-28-2008
20080205053Optical integrating chamber lighting using one or more additional color sources to adjust white light - A system provides white light having a selectable spectral characteristic (e.g. a selectable color temperature) using an optical integrating cavity to combine energy of different wavelengths from different sources with white light. The cavity has a diffusely reflective interior surface and an aperture for allowing emission of combined light. Control of the intensity of emission of the sources sets the amount of primary color light of each wavelength added to the substantially white input light output and thus determines a spectral characteristic of the white light output through the aperture. A variety of different elements may optically process the combined light output, such a deflector, a variable iris, a lens, a variable focusing lens system, a collimator, a holographic diffuser and combinations thereof.08-28-2008
20110164415LED LIGHT HAS PINHOLE IMAGING - An LED light has a pinhole-imaging function for dark area use as a plug-in wall outlet light, direct current (DC) operated light, or interchangeable power source light to project a shaped image to a surrounding environment. Tiny shaped pinholes can create a fine image of desired message, data, logo, or time on a ceiling, walls, floor, optics means surface or other desired surface. At least one pinhole-means may be incorporated with an LED and parts selected from a housing-member, plastic film openings, cut-outs, transparent material piece, translucent material piece, adjust-means, sealed-unit, battery-pack, paper material, plastic material, metal material, wood material, geometric shape substrate, AC adaptor and jack means, and/or solar power or wind power generator to project the desired image, message, data, logo, to the surrounding environment, which may include any combination of ceiling, walls, floor, or other desired surfaces(s). The light may have an adjustable feature, interchangeable power source feature, dot-matrix geometric shape feature, and features to change position or orientation of the pinhole substrate or LED.07-07-2011
20100284180COMPACT HOLOGRAPHIC ILLUMINATION DEVICE - There is provided a colour sequential illumination device comprising in series: first and second light sources; a condenser lens; and a grating device. The grating device comprises at least one Bragg grating. The condenser lens directs light from the first and second sources into the grating device at first and second incidence angles respectively. The grating device diffracts light from the first and second sources into a common direction. Desirably, the Bragg gratings are Electrically Switchable Bragg Gratings. In one embodiment of the invention the light sources are Light Emitting Diodes. Alternatively lasers may be used.11-11-2010
20110134634SOLID STATE LIGHTING ASSEMBLY - A solid state lighting assembly includes a socket having a base wall having a first side and a second side, and a first cavity outward of the first side and a second cavity outward of the second side. Contacts are held by the base wall. The contacts have mating fingers extending into the first and second cavities. A lighting printed circuit board (PCB) is removably positioned within the first cavity with at least one lighting component configured to be powered when electrically connected to corresponding mating fingers of the contacts. The lighting PCB is initially loaded into the first cavity in an unmated position and moved in the first cavity to a mated position. A driver PCB is positioned within the second cavity and is electrically connected to corresponding mating fingers of the contacts. The driver PCB has a power circuit configured to supply power to the lighting PCB when electrically connected to the contacts.06-09-2011
20100302773PORTABLE LED TUBE LIGHT - A work light including an elongated housing having a handle portion carrying work light controls, and a light-emitting portion including a plurality of electrically interconnected light-emitting diodes (LEDs) mounted on a substrate mechanically and thermally coupled with a heat sink, wherein the plurality of LEDs include at least two independently controllable groups of LEDs. The work light further includes a power cord electrically extending therethrough for connecting multiple lights in series.12-02-2010
20110096540LIGHT EMITTING DEVICE AND ELECTRONIC DEVICE - A light emitting device has a plurality of light emitting elements each having a first electrode layer, a second electrode layer, and a light emitting layer disposed between the first and the second electrode layers, a reflective layer being disposed between a substrate and the first electrode layer and reflecting light emitted by the light emitting layer to the light emitting layer, the light emitting elements including a red light emitting element that emits a red light, a green light emitting element that emits a green light, and a blue light emitting element that emits a blue light, the green and the blue light emitting elements each having a resonator structure which contains the reflective layer and a translucent half-reflective layer and which is constituted by adjustment of the optical distance between the reflective layer and the translucent half-reflective layer, the red light emitting element not having the resonator structure.04-28-2011
20110096539LIGHT EMITTING MEANS - The present invention provides a light emitting means having a structure that can be used as a light emitting ornament in a sports ground or an event location, a fishing light for the long-line fishery, or light emitting means that can be formed to a specific shape by being continuously assembled with another light emitting means. The light emitting means includes: a first housing made of a transparent material and having one end formed as a plug; a second housing made of a transparent material and having a socket corresponding to the plug and that can be separated or coupled to the first housing; a first substrate having a cathode at the center thereof and LEDs arranged around the cathode; a second substrate having an anode at the center thereof and LEDs arranged around the anode; a tubular diffuser made of a light guide material and having mounting holes in which the LEDs are respectively mounted and a space to which a battery is provided therein; a stud having the hole and male threads provided to the first housing; and a holed boss having female threads provided to the second housing. The light emitting means further includes a connector, a cube connector, and a double-male connector for connecting the stud of the first housing and the holed boss of the second housing.04-28-2011
20100214776LIGHTING DEVICE, IN PARTICULAR LIGHT SIGNALLING SUPPLEMENTARY DEVICE FOR RESCUE AND EMERGENCY PRIORITARY VEHICLES - The invention concerns a lighting device (08-26-2010
20100254130LIGHTING DEVICE AND LIGHTING METHOD - A lighting device comprising sources of visible light comprising solid state light emitters and/or luminescent materials emitting three or four different hues. A first group of the sources, when illuminated, emit light of two hues which, if combined, would produce illumination having coordinates within an area on a 1931 CIE Chromaticity Diagram defined by points having coordinates: 0.59, 0.24; 0.40, 0.50; 0.24, 0.53; 0.17, 0.25; and 0.30, 0.12. A second group of the sources is of an additional hue. Mixing light from the first and second groups produces illumination within ten MacAdam ellipses of the blackbody locus. Also, a lighting device comprising a white light source having a CRI of 75 or less and at least one solid state light emitters and/or luminescent material. Also, methods of lighting.10-07-2010
20100202140STREET LIGHTING ARRANGEMENT - A street lighting arrangement for providing light distribution over an angular range between an axis and a cut-off angle, the arrangement comprising a first array (08-12-2010
20100165616Luminaire with Adjustable Light Source - Light sources in a luminaire attach to the luminaire by one or more tabs. Up to three axis of rotation are possible. Bendable tabs enable a first axis of rotation of the light source. Light sources are rotatable about a mounting point to the tab providing a second axis of rotation. Some tabs are twistable about a third axis of rotation. Some tabs also conduct heat away from the light source. Tabs can also be formed in a baffle plate for new luminaires or for the retrofit of existing luminaires. Multiple types of light sources can be combined to provide luminaires with custom light patterns and intensities.07-01-2010
20100165617Illumination device - Disclosed is an illumination device for projecting a substantially uniform light at a remote distance. The illumination device comprises a mounting assembly divided into a plurality of sections, each section comprising a plurality of light emitting sources arranged substantially equi-distant along a circumference of said assembly at an angle to project a light image at the remote distance, an contact plate connected via a central axis with, and fixed to, the mounting assembly, the contact plate providing an electrical contact to each of the light emitting devices, a plurality of lensing assemblies equal in number to plurality of sections axially aligned with the mounting assembly, the lensing assembly aligned with a select one of the light emitting sources in a corresponding section, the light emitting source being positioned in front of a focal point of the lensing assembly, each lensing assembly comprising at least one optically transparent lens determining said lensing assembly focal point, and means for shifting said contact plate and mounting assembly to align a select one of said light emitting devices with a corresponding lensing assembly. In another aspect of the invention, the lens assemblies may be positioned linearly and light emitting sources are positioned along an edge of the mounting assemblies, wherein the LEDs are positioned in front of the lensing assemblies by shifting each of the mounting assemblies.07-01-2010
20100195322LIGHT EMITTING DEVICE, ILLUMINATING APPARATUS AND CLEAN ROOM EQUIPPED WITH ILLUMINATING APPARATUS - In a light emitting device including a semiconductor light emitting element; a phosphor to be excited by light emitted from the semiconductor light emitting element; and an encapsulating resin including the phosphor and covering the semiconductor light emitting element, the phosphor included in the encapsulating resin suppresses a specific wavelength component for preventing a photosensitive material sensitive to a specific wavelength from reacting. An illuminating apparatus including a plurality of semiconductor light emitting elements includes a control section for suppressing a specific wavelength for preventing a photosensitive material sensitive to the specific wavelength from reacting. A clean room is equipped with such an illuminating apparatus.08-05-2010
20110261561ILLUMINATION SOURCES AND SUBJECTS HAVING DISTINCTLY MATCHED AND MISMATCHED NARROW SPECTRAL BANDS - A light source is configured to emit narrow peaks at discrete spectral bands, especially primary color wavelengths, added to simulate the effect of a broadband light source. A subject is provided with a pigment, examples being certain rare earth lanthanides, with a strong absorption peak at a corresponding narrow spectral band. The pigment has a nominal hue under true broadband light. When illuminated by the narrow band source, the absorption peak eliminates the contribution of one of the primary colors, producing a distinct shift in hue of the pigmented subject. The change in hue cannot be anticipated from the appearance of illuminated subjects that lack the pigment, which remain normal. The narrow absorption peak is not noticeable under unmatched light sources or true broadband light sources, e.g., sunlight. The hue shift effect is useful for security authentication, informational and decorative applications.10-27-2011
20110188239ILLUMINATION OF MULTIPLE TYPES OF OBJECTS USING WARM AND COOL LIGHT - There is described a lighting system for illuminating multiple types of objects, the lighting system comprising: at least one first light source emitting a first quantity of a first light characterized by at least one first dominant spectral component corresponding to at least one warm color; and at least one second light source emitting a second quantity of a second light characterized by at least one second dominant spectral component corresponding to at least one cool color; and at least one beam of mixed neutral white light resulting from a mixing of the at least one first light and the at least one second light, the mixed neutral white light having spectral components corresponding to cool colors and spectral components corresponding to warm colors in substantially even proportions, the at least one beam of mixed neutral light being suitable for highlighting substantially evenly at least one cool object and at least one warm object.08-04-2011
20110216534Light Emitting Diode Recessed Light Fixture - A recessed light fixture includes an LED module, which includes a single LED package that is configured to generate all light emitted by the recessed light fixture. For example, the LED package can include multiple LEDs mounted to a common substrate. The LED package can be coupled to a heat sink for dissipating heat from the LEDs. The heat sink can include a core member from which fins extend. Each fin can include one or more straight and/or curved portions. A reflector housing may be coupled to the heat sink and configured to receive a reflector. The reflector can have any geometry, such as a bell-shaped geometry including two radii of curvature that join together at an inflection point. An optic coupler can be coupled to the reflector housing and configured to cover electrical connections at the substrate and to guide light emitted by the LED package.09-08-2011
20120147599FOLDABLE DISPLAY APPARATUS - A foldable display apparatus includes a bendable display panel which folds with respect to a folding axis. The display panel includes a plurality of display devices and a window layer. Each of the display devices includes a plurality of pixels each including a plurality of color elements having different colors from each other. A plurality of color elements of a same color is linearly arranged in a direct line direction which is non-parallel to the folding axis. The window layer includes a soft material part including a soft material in a folding part of the display panel, and a protective window part other than the soft material part. The protective window part protects the display part of the plurality of display devices.06-14-2012
20100246169Lighting Device - A lighting device with at least one first-element that emits visible light at a wavelength and irradiance sufficient to inactivate one or more pathogenic bacterial species, and at least one second element that emits light of one or more longer wave-lengths to that of the first-element. The at least one second element has a higher illuminance than that of the at least one inactivating element or component.09-30-2010
20110051409LIGHT ELEMENT SEAL MODULE AND METHOD FOR SAME - An LED panel assembly includes a circuit board having a plurality of LEDs. An LED seal louver is coupled over the circuit board. The LED seal louver includes a substrate and a pliable seal membrane. The substrate includes one or more substrate cavities. The pliable seal membrane is coupled with the substrate, and the pliable seal membrane includes a pliable material partially extending across the one or more substrate cavities. One or more LED passages extends through the pliable material adjacent to the substrate cavities. Each of the LED passages is sized and shaped to receive a single LED. Bulbs for one or more of the plurality of LEDs are correspondingly received within the LED passages, and the pliable material seals around each bulb with an interference fit. The bulbs are directly visible through the LED seal louver while the pliable seal membrane is sealed around the bulbs, and the circuit board is concealed by the LED seal louver and isolated from an environment exterior to the LED panel assembly.03-03-2011
20110051408LED Device With High Color-Rendering Index - An LED device with high color-rendering index includes a substrate; three white light units arranged on the substrate, each of the white light units being an LED element that combines a blue light chip with fluorescent glue to produce a mixed light; and a red light unit arranged on the substrate among the three white light units and being an LED element that combines a red light chip with fluorescent powder to produced a mixed light. With the specific arrangement of positioning the red light unit among three white light units, a mixed light produced by the LED device is a visually comfortable warm white light with high color-rendering index. Therefore, the LED device can be used in an environment where a large quantity of LEDs are needed, so largely reduces the users' eye discomfort.03-03-2011
20090284966LIGHTING SYSTEM WITH COMBINED DIRECTLY VIEWABLE LUMINOUS OR TRANSMISSIVE SURFACE AND CONTROLLED AREA ILLUMINATION - An apparatus, system and method for lighting an area, for example, an outdoors pedestrian area or building facade or an auto traffic area, or an indoor large area, which provides indicator/guide light, reference light for structures, and task lighting for a target area. The method uses first lighting sources that are directly viewable by observers and which can be historical, architectural, or aesthetically selected sources, but which produce a relatively low level of light or luminance insufficient to effectively light the area but sufficient to act as an indicator or guide, as well as to provide reference illumination on buildings or structures. Second lighting sources are configured to produce directional light to light the area but hide the light sources from most conventional observer viewing angles and may be enclosed within the general outlines of the globe or transmissive surface area of the fixture. Additionally, the fixture may appear to the average observer that the two sources are one historic or architectural source. Use of low-level directly viewable sources allows lower levels of light from the second sources to effectively light the area. This produces benefits regarding light pollution, such as reducing sky glow, glare, and spill light, as well as reducing energy usage.11-19-2009
20090168414MULTI-PRIMARY LED COLLIMATION OPTIC ASSEMBLIES - The present invention relates to an optical assembly which improves color uniformity and improved collimation of light produced by multiple LED light sources in a light engine. The optical assembly is specifically tailored to match the placement of the solid-state emitters making up the light engine or light producing element. Specifically, a shaped free-form spline patch inner collimation lens having an optimized cross-sectional shape and micro-ridges is used to disperse light; multi-lobe TIR collimation lens having an optimized cross-sectional shape and micro-ridges is used to disperse and redistribute phase as well as provide collimation; primary mixing lenslet array having an optimized surface is used to disperse light from the light emitter; a spline profile reflector further mixes and collimates the light; a secondary lenslet array further mixes the light; and a secondary collimation lens further collimates the light.07-02-2009
20120307488Substrate for a Lighting Module and Lighting Module - A substrate (12-06-2012
20120307489BACKLIGHT ASSEMBLY HAVING LEDs AND SIDE REFLECTORS AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes: a light emitting unit having a plurality of unit LEDs formed in a matrix, each of the unit LEDs having a red LED, a green LED, and a blue LED; a plurality of bottom reflectors disposed under the respective unit LEDs; and a plurality of side reflectors disposed around the respective unit LEDs.12-06-2012
20120307487Vehicle LED Reading Light Grouping System and Method - A method is provided for preparing a plurality of groupings of light-emitting diode (LED) lights, where each grouping comprises a plurality of LEDs that fall within a specified color range from respective target x, y color points, comprising: receiving a source group of LEDs from a supplier, the source group having a specified color range; measuring a color value for each LED in the source group with a color sensor; storing the measured color value along with a unique LED identifier; creating a first grouping of LEDs within the specified color range from a first target x, y color point by identifying a plurality of LEDs from the stored color values that fall within the specified color range and doing the same for a second grouping of LEDs. Lighting assemblies are constructed based on the group associations.12-06-2012
20120039073LUMINAIRE WITH DISTRIBUTED LED SOURCES - A wide beam angle (diffuse) luminaire with an efficient multi-source radiative emitter array. Embodiments of the luminaire utilize one or more LEDs disposed around a perimeter of a protective casing. The LEDs are angled to emit into an internal cavity defined by the inner surface of the casing. The placement of the LEDs around the perimeter of the device reduces self-blocking and facilitates heat transfer from the LEDs through the casing or another heat sink and into the ambient. Light impinges on the inner surface and is redirected as useful emission. A diffuse reflective coating may be deposited on the inner surface to mix the light before it is emitted.02-16-2012
20090073686SELF-CLEANING LIGHT SOURCE MODULE - An exemplary self-cleaning light source module includes a light source assembly, a housing, and a photocatalyst layer. The light source assembly includes a first light emitting component for emitting visible light and a second light emitting component for emitting UV light. The housing encloses the light source assembly therein and has a light permeable portion. The photocatalyst layer is formed on an outer surface of the light permeable portion of the housing.03-19-2009
20110075410LIGHT EMITTING DIODE (LED) LIGHTING SYSTEMS INCLUDING LOW ABSORPTION, CONTROLLED REFLECTANCE AND DIFFUSION LAYERS - LED lighting systems include LEDs of at least two different colors, a reflective layer and a diffusion layer. The reflective layer has a transmittance-to-reflectance ratio that is configured to homogenize intensity of the light emitted from the LEDs. The diffusion layer is configured to homogenize color uniformity of the light.03-31-2011
20110075409LED LAMP - An LED lamp includes a body, a first LED illuminant located at a side of the body and a second LED illuminant located at another side of the body opposite to the side of the body. An intersecting angle exists between the body and each of the first LED illuminant and the second LED illuminant so that light generated from the first LED illuminant and light generated from the second LED illuminant meet each other at a position above the body.03-31-2011
20110075408LIGHT EMITTING DIODE (LED) LIGHTING SYSTEMS INCLUDING LOW ABSORPTION, CONTROLLED REFLECTANCE ENCLOSURES - LED lighting systems include an enclosure adjacent at least one LED that is configured so that at least some light that is emitted by the at least one LED passes through the enclosure. The enclosure has less than about 10% total absorption. The enclosure also has a transmittance-to-reflectance ratio that is configured to homogenize light that emerges from the enclosure (1) directly from the at least one LED, and (2) after one or more reflections within the enclosure.03-31-2011
20100103663LED ARRAY BEAM CONTROL LUMINAIRES - The present invention provides LED array systems with which provides for a LED array luminair with reduced color fringing, light spill reduction and beam angle control and LED protection.04-29-2010
20110063830LIGHTING 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.03-17-2011
20110063829Lamp For Lightweight Steel Frame - The present invention provides a lamp for lightweight steel frame, comprising: a first frame, containing a power supply module at the back, at least two heat sinks at both sides of the power supply module, and a conductor for electrical connection with the power supply module; at least a LED assembly mounted in front of the first frame; the LED assembly is electrically connected with the conductor to form a spotted light source; at least a reflector used to convert the spotted light source into directional beam for projection into external environment; the reflector is installed within the front of first frame; a second frame for the lightweight steel frame, defining a space for covering the first frame; two diffusers arranged between the reflector and substrate, as well as a condenser between the diffusers. With this design, the reflector could project the directional beam into intended external environment for improved power consumption, environmental protection and illuminance.03-17-2011
20120044676Structure of light-emitting diode (LED) lamp - A structure of color temperature adjustable LED lamp includes a substrate, on which a plurality of cold white light LEDs and a plurality of additional LEDs are respectively mounted. The additional LEDs give off lights having a wavelength of 580-660 nm. The cold white light LEDs give off lights that are mixed with the lights from the additional LEDs to realize adjustment of the result color temperature as desired.02-23-2012
20090122533LED backlighting system with closed loop control - A light emitting diode (LED) based illumination system with particular application to large scale side lighted liquid crystal displays (LCD). The invention uses on board closed loop intensity control in conjunction with red, green and blue (R,G,B) LED die and a hybrid non-imaging optical system to overcome substantial temperature dependence, loss in intensity with time, increased system cost and complexity, and decreased dynamic range. The invention obtains a large color gamut in excess of 110% of the NTSC (National Television System Committee) recommendation. A high performance thermal management design, the use of “chip on board” technology, compact and efficient collection optics, and on board closed loop intensity control increase and maintain luminous performance and decrease cost relative to less efficient RGB LED approaches. One or more line sources can be generated for applications other than in lighting LCD displays.05-14-2009
20120008318LIGHTING APPARATUS - A lighting apparatus includes a red LED; a green LED; a blue LED; and a white LED made up of a blue light-emitting element and a yellow phosphor, wherein the red LED, the green LED, the blue LED, and the white LED generate 26 to 38%, 35 to 50%, 0 to 2%, and 12 to 33% of light, respectively, and white light obtained by additive color mixing of light from the red, green, blue, and white LEDs has a correlated color temperature of 2800 K or more to less than 3500 K, a deviation of 0.02 or below in absolute value, and a color gamut area ratio of 120% or more to 140% or less. Consequently, the lighting apparatus can radiate an illuminating light which makes colors look vivid.01-12-2012
20120008317DISPLAY APPARATUS - A display apparatus includes: a plurality of displays in which a plurality of light emitting devices which emit irradiation light of one of an R component, a G component, and a B component are arrayed, wherein with reference to arbitrary 3×3 light emitting devices among the arrayed light emitting devices, the color components of the light emitting devices arrayed in the longitudinal direction are different from each other and the color components of the light emitting devices arrayed in the transverse direction are the same.01-12-2012
20120057340Lighting Unit and Luminaire for Road and/or Street Lighting - A lighting unit for use in a luminaire, in particular a luminaire for road and/or street lighting, has an adaptable light distribution wherein he lighting unit comprises at least two light sources or groups of light sources, each of the light sources or groups of light sources having an individual light distribution characteristic, wherein the overall light distribution of the lighting unit is adapted by modifying the ratio of the light outputs of the at least two light sources or groups of light sources03-08-2012
20120057339LIGHT EMITTING DEVICE - A light emitting device according to one embodiment includes: a board; plural first light emitting units each including a first light emitting element and a first fluorescent layer formed on the first light emitting element having a green phosphor; plural second light emitting units each including a second light emitting element and a second fluorescent layer formed on the second light emitting element having a red phosphor; the second fluorescent layers and the first fluorescent layers being separated in a non-contact manner with gas interposed there between; and plural third light emitting units each including a third light emitting element and a resin layer formed on the third light emitting element having neither a green phosphor nor the red phosphor, the third light emitting units being disposed between the first light emitting units and the second light emitting units.03-08-2012
20100128472LED LIGHTING SYSTEM - A lighting apparatus comprising a white LED and a RGB LED disposed on a mounting and at least partially enclosed by a housing. The RGB LED produces red, green and blue components of light. A white LED driver controls current to the white LED and a RGB LED driver controls current to the RGB LED. A lighting system including the lighting apparatus and a system controller having a memory in which preset lighting programs are stored. A method for method for providing wash lighting comprising the steps of emitting a current color and intensity from a white LED and from a RGB LED, receiving data representing a change of color and intensity from the current color and intensity for at least the RGB LED and emitting white light that is on the Planckian locus in the CIE 1931 chromaticity diagram.05-27-2010
20120026732LAMP - A lamp includes a bulb comprising at least a partially light-transmissive material, a lamp base for fitting the lamp in a socket and feeding electrical energy, an illuminant arranged in the bulb and designed at least for a directed emission of light, and a means operable by a user for aligning the illuminant to vary an emission direction of the light.02-02-2012
20120026733HYBRID SOURCE LIGHTING SYSTEM - A lighting fixture system, comprising a first illuminant, a secondary illuminant; and a sensor configured to detect a predetermined condition, the sensor being coupled to the first illuminant and the secondary illuminant, the first illuminant and the secondary illuminant comprising different light sources, the sensor configured to cause modulation of the first illuminant and the secondary illuminant in response to detection of the pre-determined condition.02-02-2012
20120026731LED LIGHTING DEVICE WITH UNIFORM COLOR MIXING - The invention relates to a light emitting diode (LED) lighting device that is comprised of a plurality of LED components and is characterized by the mixture of a primary light provided by the first and majority group of components and a secondary light provided by a second minority group of components and the components emitting the secondary light source have a viewing angle in the range of 130° to 160° and is greater than that of the primary light source. This wide angle of emission ensures that the secondary light is uniformly mixed into the primary light.02-02-2012
20120026730Light guide member, light irradiation module with the light guide member and electric device with the light irradiation module - A light guide member and a light irradiation module with the light guide member and an electric device with the light irradiation module are provided in the invention in which the light guide member has a cone shaped body and a ring shaped flange. The cone shaped body has an opening at an apex of one end of the cone shaped body. The ring shaped flange is extended from a circular rim of the other end of the cone shaped body. One inner surface of the opening is defined as a light incident surface, and a circular rim surface of the ring shaped flange surrounding the cone shaped body is defined as a light emitting surface.02-02-2012
20090316394SURGICAL LAMP WITH ILLUMINATED HANDLES - A surgical lamp that includes a carrying system, a lamp body, and at least one handle having an illuminant. The handle is at least partially formed of a translucent material.12-24-2009
20120206911LIGHTING DEVICES, FIXTURE STRUCTURES AND COMPONENTS FOR USE THEREIN - In some embodiments, a lighting device comprising two or more light sources and an optical device configured to enhance uniformity of light emitted from the light sources and emerging from a surface of the optical device, an average distance between light sources less than one half of the square root of the area of the surface divided by the number of light sources. In some embodiments, a fixture structure comprising a reflective structure and a heat conductor in contact with the reflective structure and covering not more than 30 percent of the surface area of the reflective structure. In some embodiments, a lighting device comprising a fixture structure, at least one light source mounted on one substrate, and at least one light source mounted on another substrate. Other fixture structures and lighting devices.08-16-2012
20120300449LED BASED HIGH-INTENSITY LIGHT WITH REFLECTOR - A light engine for a high intensity light that may be compliant with FAA or ICAO standards is disclosed. The light engine includes a first light emitting module having a light emitting diode mounted in a horizontal plane. A reflector has a reflective surface in perpendicular relation to the light emitting diode. The reflective surface is defined by combining the integrals of a required beam emission specification with the integrals of the light emitting diode. The resulting reflective curve is modified with focal length and curve based on horizontal plane position variables relative to the light emitting diode around an azimuth angle.11-29-2012
20120155075Multi-Color Simulated Flame System for Electric Fireplaces - A lighting system and methods for producing multi-color light effects are described. The multi-color light effects can feature at least two colors of light projected inside a firebox of an electric fireplace. The lighting system includes a projection surface, a reflective spindle, a first light-emitting device, and at least a second light-emitting device. The first light-emitting device projects light of a first color onto the reflective spindle. Light from the first light-emitting device striking the reflective spindle is reflected onto the projection surface, which can be a projection screen installed in the firebox of the electric fireplace. The second light-emitting device projects light of a second color directly onto the projection surface. The first color light and second color light can be projected onto adjacent, overlapping light projection areas of the projection screen so as to produce a realistic multi-color simulated flame effect.06-21-2012
20120155076LED-BASED LIGHT EMITTING SYSTEMS AND DEVICES - A light emitting device comprises: a package; at least one red LED housed in the package and operable to emit red light; at least one blue LED housed in the package and operable to emit blue light wherein the emission product of the device comprises the combination of light emitted by the red and blue LEDs; and a light transmissive material encapsulating the LEDs. Preferably, the package further comprises electrical contacts that are configured such that the drive current of the blue and red LEDs is independently controllable. Devices and/or light emitting systems further comprise a driver operable to control a drive current of the red and/or blue LEDs in response the measured emission intensities of the LEDs such as to maintain a substantially constant ratio of the blue to red light in the emission product.06-21-2012
20090135592LED PACKAGE, AND ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE PROVIDED THEREWITH - In an LED package, LED chips are connected in parallel by wires between lead frames connected to terminals. When an open circuit failure such as the coming off of the wire occurs in one of the LED chips in the LED package that is being energized, a current twice as high as that flowing through the other LED chip prior to the open circuit failure is passed through the other LED chip, and thus the amount of light emitted therefrom is increased about two-fold. Consequently, the amount of light emitted from the LED package does not change significantly.05-28-2009
20110090683SURFACE-MODIFIED CONVERSION PHOSPHORS - The invention relates to surface-modified phosphor particles based on luminescent particles which comprise at least one luminescent compound, where (Ca,Sr,Ba)04-21-2011
20120120648Light Source Module of Projector - A light source module of a projector includes a beam splitter, a red light source, a blue light source, and a blue light source. The beam splitter has a first reflection side, on which a first splitter film is provided, and a second reflection side, on which a second splitter film is provided. An angle between a normal line of the first reflection side, and a normal line of the second reflection side, is in a range between 165 degrees and 180 degrees. Both the first splitter film and the second splitter film permit red rays to pass therethrough. The red light source is separated from the blue and green light sources to obtain a better thermal dissipation.05-17-2012
20100172130ATMOSPHERE LIGHT - An atmosphere light having a light post with carved character or patterns comprises a first light source, a second light source, a light post, and a light holder. The light post is mounted on the light holder, and the second light source is disposed at an appropriate position on the light post to project light outward. The light post is at least partially or fully made of light-transmitting material, and a surface of which is carved with characters or patterns. The first light source is disposed on the surface of the light holder and projects colorful light outward through the light-transmitting material, and the projection of the patterns created by a color light source projecting light through the light-transmitting light post can create desired atmosphere.07-08-2010
20120134148LED LIGHTING WITH INCANDESCENT LAMP COLOR TEMPERATURE BEHAVIOR - In a lighting device, sets of LEDs are employed using the natural characteristics of the LEDs to resemble incandescent lamp behavior when dimmed, thereby obviating the need for sophisticated controls. A first set of at least one LED produces light with a first color temperature, and a second set of at least one LED produces light with a second color temperature. The first set and the second set are connected in series, or the first set and the second set are connected in parallel, possibly with a resistive element in series with the first or the second set. The first set and the second set differ in temperature behavior, or have different dynamic electrical resistance. The light device produces light with a color point parallel and close to a blackbody curve.05-31-2012
20120134150METHODS OF FORMING DIRECT AND DECORATIVE ILLUMINATION - In various embodiments, direct illumination is provided from a primary light emitter and decorative illumination is provided from a secondary light emitter illuminating a shade.05-31-2012
20120120649LIGHT-EMITTING DIODE REPLACEMENT LAMP - In various embodiments, an illumination device includes a primary light emitter for providing direct illumination and a secondary light emitter for illuminating a shade, thereby providing decorative illumination.05-17-2012
20110182065LIGHTING DEVICE WITH MULTI-CHIP LIGHT EMITTERS, SOLID STATE LIGHT EMITTER SUPPORT MEMBERS AND LIGHTING ELEMENTS - A lighting device in which a solid state light emitter in a first multi-chip light emitter is spatially offset relative to a solid state light emitter in a second multi-chip light emitter. A lighting device comprising first, second and third multi-chip light emitters, in which any solid state light emitter in the second multi-chip light emitter that is spatially offset relative to a first solid state light emitter on the first multi-chip light emitter by less than 10 degrees emits light of a hue that differs from the hue of light emitted by the first solid state light emitter by more than seven MacAdam ellipses. A solid state light emitter support member comprising a center region and at least first, second and third protrusions extending from the center region. A lighting device comprising at least a first housing member, and means for emitting substantially uniform light.07-28-2011
20120314410SYSTEM AND METHOD FOR REDUCTION OF OPTICAL NOISE - A variety of methods and systems are described that relate to reducing optical noise. In at least one embodiment, the method includes, emitting a first light having a selected wavelength from a light source, receiving a reflected first light onto a phosphor-based layer positioned inside a receiver, the reflected first light being at least some of the emitted first light that has been reflected by an object positioned outside of a desired target location. The method further includes, shifting the wavelength of the received reflected first light due to an interaction between the received reflected first light and the phosphor-based layer, and passing the received reflected first light with respect to which the wavelength has been shifted through a light detector without detection.12-13-2012
20120212955Light Having an Optical Element with Two States and Method for Operating the Light - A light includes a multicolor LED source for example comprising rgb LEDs. Further, a white light source in the form of a white LED is provided arranged separately from the multicolor LED source. Further, an optical element is provided which is implemented to be capable of being brought into two different states, wherein in a first state the output of the multicolor LED source forms a light beam output by a projection optics while when the optical element is in the second state the output light beam is mainly formed by the light beam generated by the white light source.08-23-2012
20120134149IMAGE DISPLAY APPARATUS - An image display apparatus of the present invention includes an air passage formed by connecting an air inlet port and an exhaust port inside a case having the air inlet port and the exhaust port, and an air blower that is arranged in the air passage. At least a part of a heat dissipator of a red color laser light source apparatus having the lowest upper limit of an operating temperature is arranged in the air passage closer to the air inlet port than heat dissipators of other laser light sources and also directly below the cooling fan. Hence, it is possible to provide the image display apparatus that inhibits image quality deterioration.05-31-2012
20120134147Optoelectronic Module - An optoelectronic module (05-31-2012
20120162979LIGHT SOURCE WITH TUNABLE CRI - A light-emitting device with at least two light-emitting dies encapsulated with two different types of the wavelength-converting materials is disclosed. Each of the wavelength-converting materials is configured to produce a visible light from a narrow band light near UV region produced by the light-emitting dies, but with different correlated color temperatures (CCT) and different spectral contents. The combination of the two visible light forms the desired visible white light. The Color rendering index of the light-emitting device is tunable by adjusting the supply current to the light-emitting dies. In another embodiment, a light module with tunable CRI for an illumination system is disclosed.06-28-2012
20090059580LED device radiator of LED projection system - An LED device radiator of an LED projection system, and more particularly, a radiator for cooling an LED device used in an LED projector is disclosed. The radiator includes a red LED device connected to a first substrate, a green LED device connected to a second substrate, a blue LED device connected to a third substrate, a first heat sink connecting a rear surface of the first substrate such that heat emitted from the red LED device is transferred to the first heat sink, and a second heat sink connecting a rear surface of each of the second and third substrate such that heat emitted from the green LED device and the blue LED device is transferred to the second heat sink.03-05-2009
20090059579Surface light source using white light emitting diodes and liquid crystal display backlight unit having the same - There is provided a surface light source using white light emitting diodes including: a plurality of white light emitting diodes arranged at a predetermined distance from one another, wherein the white light emitting diodes are arranged such that a light emitting diode unit defined by each of the white light emitting diodes and corresponding ones of the white light emitting diodes disposed at a closest distance from the each white light emitting diode has a central light amount ranging from 80% to 120% with respect to an average light amount of the white light emitting diodes.03-05-2009
20090059578Decorative light devices - The decorative light device has a stylized shape of a Christmas tree, or a snow flake. It comprises a transparent or translucent solid plastic member having an elongated solid plastic main body and plurality of side branches extending outward therefrom at an angle at a plurality of junctions. A light refraction opening is formed at the main body and located adjacent to each one of those junctions. An LED light source is located at a bottom end of the main body and is operative to provide a single or a series of flashing lights of various sequential colors for illuminating the main body and the side branches. A stylized snow flake can be made with a plurality of these solid plastic members mounted in an evenly spaced manner around the periphery of a center mounting member.03-05-2009
20120250306TRANSMISSIVE DISPLAY DEVICE - A transmissive display device includes: a light source which outputs light; a display part which receives the light from the light source and generates display light representing an image; a deflecting element which changes a direction of the display light emitted from the display part; and a transmissive reflector which reflects, towards a user, light of a wavelength included in the display light emitted from the display part, and transmits light of other wavelengths. An angle formed by a straight line, which extends between an upper edge of an incident area of the display light on the transmissive reflector and a lower portion of an eyebox which is defined as a visible range of the reflected light from the transmissive reflector, with respect to a horizontal line is smaller than a difference between an emission angle and an incident angle of the display light at the transmissive reflector.10-04-2012
20120250305LED BULB - An LED bulb includes one or more light emitting parts including one or more LED chips, a mount including a bulging portion in which one or more mounting surfaces on which the one or more light emitting parts are mounted are formed, a base attached to the mount, and a globe which covers the bulging portion and transmits light.10-04-2012
20120250303DISPLAY AND ELECTRONIC DEVICE - A display capable of suppressing color mixture caused by the diffraction of the light passing through the adjacent transmission color region of the color filter, even when a size of a light emitting element is small, and an electronic device including the display are provided. The display includes a plurality of light emitting elements, and a color filter having a transmission color region facing the plurality of light emitting elements, and a semi-transmissive region provided at a part of the transmission color region.10-04-2012
20120250304GRID STRUCTURE ON A TRANSMISSIVE LAYER OF AN LED-BASED ILLUMINATION MODULE - An illumination module includes a plurality of Light Emitting Diodes (LEDs). A grid structure is present on a transmissive layer over the LEDs, such as an output window, to form a plurality of color conversion pockets. A portion of the pockets are coated with a first type of wavelength converting material while other portions of the pockets are coated with a different type of wavelength converting material.10-04-2012
20120075848PLANT GROWING SYSTEM - A plant growing system of the present invention includes: a first light source for irradiating red light to a plant; a second light source for irradiating far-red light to the plant; a control part that controls irradiation operations of the first light source and the second light source; and a time setting part that sets a time zone in which the control part operates the irradiation of the first light source and the second light source. The time setting part is designed such that the first light source starts red light irradiation before sunset; and the second light source starts far-red light irradiation after the red light irradiation.03-29-2012
20120075847TWO-COLOR MIXING LED ILLUMINATING DEVICE - An LED illuminating device comprises a housing with a base plate, a prism sheet and a circuit board. The prism sheet is mounted in the housing and comprises a number of V-shaped micro-grooves formed thereon along three directions intersecting with each other. The circuit board is fixed on the base plate, wherein a plurality of LED units are arranged on the circuit board, each two adjacent LED units are spaced a preset distance apart from each other and emit light of different colors. Six virtual mixed light sources are formed by reflection of the prism sheet to the circuit board when the light emitted by an LED unit mixes with light emitted from adjacent LED units on the circuit board. Each of the virtual mixed light sources has a color different from the colors of the light emitted from the LED units.03-29-2012
20120075845TWO-COLOR MIXING LED ILLUMINATING DEVICE - An LED illuminating device comprises a housing with a base plate, a prism sheet and a circuit board. The prism sheet is mounted in the housing and comprises a number of V-shaped micro-grooves formed thereon along two directions intersecting with each other. The circuit board fixed on the base plate, wherein a plurality of LED units are arranged on the circuit board, each adjacent two of the plurality of LED units are spaced for a preset distance and emit light of different color; four virtual mixed light sources are formed by reflection of the prism sheet to the circuit board when the light emitted by a particular LED unit mixes with light emitted by adjacent LED units on circuit board, each of the virtual mixed light sources forms a desired color different from the light emitted from each LED units.03-29-2012
20120176788LIGHTING DEVICE AND LIGHTING METHOD - A lighting device comprising first and second groups of solid state light emitters, which emit light having peak wavelength in ranges of 430 to 480 nm, and first and second groups of lumiphors which emit light having dominant wavelength in the range of 555 to 585 nm. In some embodiments, if current is supplied to a power line, a combination of (1) light exiting the lighting device emitted by the first group of emitters, and (2) light exiting the lighting device emitted by the first group of lumiphors would have a correlated color temperature which differs by at least 50 K from a correlated color temperature which would be emitted by a combination of (3) light exiting the lighting device which was emitted by the second group of emitters, and (4) light exiting the lighting device which was emitted by the second group of lumiphors.07-12-2012
20120176787METHOD OF MAKING HIGH COLOR RENDERING (CRI) LED LIGHTS AND HIGH COLOR RENDERING INDEX LED LIGHTS - A high color rendering index light and method of forming the same wherein the light is formed from at least two light emitting diodes each having color temperatures which are close enough to one another to be visually the same and which are connected in series and wherein each of which has a different color rendering index and wherein at least one of the at least two light emitting diodes has a high Color Rendering Index Value of at least Ra 80.07-12-2012
20120314411LIGHT SOURCE DEVICE AND LIGHTING DEVICE - A light source device can include a solid-state light source configured to emit blue light as excitation light and a phosphor section which is excited by the excitation light from the solid-state light source and which emits fluorescent light longer in wavelength than the light emitted from the solid-state light source. In the light source device, a wavelength selective member configured to transmit the excitation light from the solid-state light source and to reflect the fluorescent light from the phosphor section can be provided between the phosphor section and the solid-state light source. The size of the wavelength selective member can be less than the size of the phosphor section which can be greater than the size of the excitation light spot irradiated with the solid-state light source.12-13-2012
20100008087OPTICAL INTEGRATING CHAMBER LIGHTING USING ONE OR MORE ADDITIONAL COLOR SOURCES TO ADJUST WHITE LIGHT - A system provides white light having a selectable spectral characteristic (e.g. a selectable color temperature) using an optical integrating cavity to combine energy of different wavelengths from different sources with white light. The cavity has a diffusely reflective interior surface and an aperture for allowing emission of combined light. Control of the intensity of emission of the sources sets the amount of primary color light of each wavelength added to the substantially white input light output and thus determines a spectral characteristic of the white light output through the aperture. A variety of different elements may optically process the combined light output, such a deflector, a variable iris, a lens, a variable focusing lens system, a collimator, a holographic diffuser and combinations thereof.01-14-2010
20100008086LED white-light devices for direct form, fit, and function replacement of existing incandescent and compact fluorescent lighting devices - A white light LED-based lighting device configured for direct form, fit, and function replacement of existing incandescent and compact fluorescent devices is provided. The white light LED-based lighting device comprises a group of solid state light emitting diodes, electronics to activate the light emitting diodes, and an encapsulating housing configured for direct form, fit, and function replacement of existing incandescent and compact fluorescent devices.01-14-2010
20120314412LED Lighting Device for Producing Multi-Chromatic Light Radiation - A lighting device (12-13-2012
20120257382Lighting System - The present invention provides a lighting system which uses a stacked light emitting element provided with a plurality of light emitting units and causes little change in emission color even after a long time of usage. A lighting system is provided, including a first light emitting element including a plurality of light emitting units; a second light emitting element; a first control means which controls light emission of the first light emitting element; and a second control means which controls light emission of the second light emitting element, where the first light emitting element emits light of a first emission color that is an initial emission color and a second emission color that is an emission color after change over time, and the second light emitting element emits light of a complementary color of the second emission color. The above structure suppresses color shift due to change over time.10-11-2012
20120188761High Brightness Light Emitting Diode Luminaire - A light emitting diode (LED) luminaire that produces a uniform light pattern at close distances is provided. The LED luminaire includes a housing, a printed circuit board assembly thermally coupled to the housing, a plurality of high brightness (HB) LED emitters, thermally coupled to the printed circuit board assembly to form a linear array, and a linear reflector assembly, attached to the housing, to concentrate the light generated by the LED emitters over a beam angle formed by the upper surface of the housing and the linear reflector assembly.07-26-2012
20120188760SYSTEM, METHOD, AND KIT FOR CREATING ARTWORK UTILIZING DIRECTIONAL LIGHT SOURCE AND CRYSTAL PRISMS - A system for creating illumination art includes a directional light source unit, prisms, and suspensions/supports for suspending or supporting the prisms between the light source and a surface onto which light from the light source is projected, such that the crystals appear to float in the image projected onto the surface. The light source may be an incandescent or LED source, and the prisms may be Swarovski® Strass® lead crystals. The prisms, suspensions/supports, light source unit, and/or other elements of the system may be provided in kit form.07-26-2012
20090027880Lighting system - A lighting system, the lighting system being usable in combination with coloured light sources to create a lighting scheme by providing electrical power to the coloured light sources, the lighting system comprising: at least two lamp modules, each of the lamp modules including a module base and a socket matrix mounted to the module base, each of the socket matrices having a predetermined number of sockets, each of the sockets being able to removably receive at least one of the coloured light sources and transmit electrical power thereto; at least two power transmission lines, each of the power transmission lines being electrically coupled to a respective socket in each of the socket matrices; and a controller for selectively providing the electrical power independently to each of the power transmission lines.01-29-2009
20120262914Lighting Device and Method for Upgrading a Lighting Device - A lighting device comprising a first light source for emitting electromagnetic radiation having a first electromagnetic spectrum and a second light source for emitting electromagnetic radiation having a second electromagnetic spectrum, wherein the first and the second electromagnetic spectrum are different from each other, wherein an intensity maximum of the first electromagnetic spectrum lie within the range of the spectral sensitivity of the human eye, and wherein an intensity maximum of the second electromagnetic spectrum lies within the range of the spectral sensitivity of the visual organs of nocturnal insects.10-18-2012
20120081892LIGHT EMITTING DEVICE AND ELECTRONIC DEVICE - A light emitting device includes a light emitting element that includes a reflection layer formed on a substrate, a light emitting layer formed on the reflection layer, and a semi-reflection layer formed on the light emitting layer, so as to transmit a portion of light from the light emitting layer and to reflect a remaining portion of the light. The light emitting element is configured as an optical resonator that causes a portion of the light outputted from the light emitting layer travelling at a predetermined angle θ, larger than 0 degrees with respect to a direction perpendicular to the reflection layer, to resonate between the reflection layer and the semi-reflection layer and extracts the light from the side of the semi-reflection layer.04-05-2012
20120230024FULL SPECTRUM LED ILLUMINATOR - An apparatus for providing a light output to an optical guide for illumination of an imaged object including a plurality of solid state light-emitting sources each of which are independently powered and independently controlled, each light-emitting source emitting light at a wavelength which is different from the wavelength emitted by the other light-emitting sources. The apparatus also includes a heat sink configured to thermally couple the plurality of solid state light-emitting sources and provide conduction of heat generated by the plurality of solid state light-emitting sources. The apparatus further includes an optical elements to collect, collimate, and combine the emissions from the plurality of solid state light-emitting sources into a combined beam of light to be optically coupled to the light guide.09-13-2012
20110122613LED DECORATIVE LAMP - The LED decorative lamp contains a three-terminal LED device, a flexible core for the plugging of the three-terminal LED device, and a seat for the configuration of the flexible core. The seat contains three terminal plates for the electrical contact with the three terminals of the LED device. A lamp string formed by connecting multiple such LED decorative lamps enjoys accurate flash timing, thereby achieving appealing lighting effect.05-26-2011
20080304260LIGHTING DEVICE AND LIGHTING METHOD - A lighting device comprising one or more solid state light emitters which emit ultraviolet light, one or more other emitters which emit light in the range of 430 nm to 480 nm and one or more other emitters which emit light in the range of 555 nm to 585 nm, to make a mixture which in the absence of any other light would be within an area defined by coordinates (0.32, 0.40), (0.36, 0.48), (0.43, 0.45), (0.42, 0.42), and (0.36, 0.38). One or more of the other emitters is a lumiphor. One or more of the other emitters can be a solid state light emitter. The lighting device may further comprise one or more 600 nm to 630 nm light emitters, and the lighting device may emit light within ten MacAdam ellipses of the blackbody locus. Also, packaged solid state light emitters and methods of lighting.12-11-2008
20100328937METHOD AND APPARATUS FOR GENERATING MONOCHROMATIC OR POLYCHROMATIC RADIATION - A method and apparatus involve a radiation source assembly that outputs radiation along an output path of travel, and that has a support section configured to facilitate support of the assembly so that a position of the assembly can be adjusted approximately pivotally about the output path of travel. According to a different aspect, a method and apparatus involve: generating radiation with a radiation source in a radiation source assembly that is a modular unit; emitting this radiation approximately in a direction; supporting the radiation source near an input port of a radiation guide so that the radiation from the radiation source enters the input port, and so that the radiation source is positionally adjustable toward and away from the input port parallel to the direction; and supplying radiation through the radiation guide from the input port to an output port thereof.12-30-2010
20100328936MULTICOLOR LIGHT EMITTING DIODES - A device such as a multicolor light emitting diode that emits different colors of light and that may combine the different colors emitted by individual light emitting diodes. The multicolor LED may include a common anode terminal that may be connected to each anode of the individual light emitting diodes. The multicolor LED may be a five terminal multicolor LED. Additionally, the multicolor LED may include two anode terminals, in which the first anode terminal may be a common anode terminal connected to three of the individual color LEDs and the second anode terminal may be connected to an anode of a white LED. In this embodiment, the multicolor LED may be a six terminal multicolor LED.12-30-2010
20080298052SYSTEM OF PHOTOMORPHOGENICALLY ENHANCING PLANTS - A system for radiating plants with photon radiation to induce photomorphogenic growth is described. The system includes a light assembly operable to transmit photon radiation, a light transmittive material located between the light assembly and a plant, a power supply connected to the light assembly, a failsafe switch connected to and located between the power supply and the light assembly and a photomorphogenic growth controller connected to the light assembly. The power supply is operable to energize the light assembly and the failsafe switch is operable to de-energize the light assembly when a safety signal is received by the failsafe switch. The photomorphogenic growth controller is operable to selectively energize the light assembly.12-04-2008
20080298055Illumination device and liquid crystal display device using the same - The present invention provides an illumination device capable of improving an efficiency of acquiring light emitted by light emitting diodes, which are provided in a light source module and used as a light source, and capable of achieving a uniform luminance distribution, and provides a liquid crystal display device using the illumination device. The illumination device includes a circuit board, red, green and blue light emitting diodes, and a lens body. Each red, green and blue light emitting diode is mounted on the circuit board and connected with a wiring pattern formed on the circuit board. The lens covers the red, green and blue light emitting diodes, and includes first portions each having two first side surfaces and second portions each having two second side surfaces. The first and second portions are alternately arranged. A distance between the first side surfaces is larger than a distance between the second side surfaces. The three red, green and blue light emitting diodes are provided in each first portion of the lens.12-04-2008
20080298054Lamp Assembly - The invention relates to a lamp assembly (12-04-2008
20080298053Illumination System with Multiple Sets of Light Sources - The present invention relates to an illumination system (12-04-2008
20120327651Light-emitting textile-based architectural element - A light-emitting textile-based architectural element (12-27-2012
20120327650DIRECT AND BACK VIEW LED LIGHTING SYSTEM - A direct and back view LED lighting system is disclosed. Embodiments of a lighting system and example light fixture are described. LED devices provide the light source. The LED devices can be positioned with a heatsink at or near the top of the system proximate to a back reflector. In example embodiments, the LED devices emit light downward. The system can be used in a troffer style fixture with a support structure and a pan. The system or fixture can have a lens arrangement including lenses, lens plates or sections with differing optical characteristics, including a partially reflective lens plate or section that passes and diffuses some light from the LED light source, but reflects some light back to the back reflector. Additional lenses or lens plates serve as diffusers.12-27-2012
20120268928LARGE SINGLE CHIP LED DEVICE FOR HIGH INTENSITY PACKING - A LED chip device comprises an electrically conductive base overlain by a dielectric layer. A recess in the dielectric exposes the base. A LED is mounted on the base in the recess such that the LED is substantially flush with a side of the base. The LED is electrically connected to pads disposed on the dielectric layer on opposing sides of the LED and the pads are electrically connected to each other.10-25-2012
20120127707VERSATILE SEALED LED LAMP - A lamp assembly (05-24-2012
20120087117ILLUMINATION SYSTEM FOR SPOT ILLUMINATION - An illumination system (04-12-2012
20120087116ILLUMINATION SYSTEM FOR SPOT ILLUMINA - An illumination system (04-12-2012
20120087115SUSTAINABLE OUTDOOR LIGHTING SYSTEM - A method of generating light involves energizing one or more first light emitting elements thereby generating primary illumination of a first wavelength range over a target area, and energizing one or more second light emitting elements thereby generating secondary illumination of a second wavelength range toward the target area during a critical period. Both the primary illumination and the secondary illumination are combined within at least a portion of the target area thereby enhancing at least one visual property within the at least a portion of the target area.04-12-2012
20110280012LIGHT EMITTING DEVICE MODULE - A light emitting device module is provided comprising a light emitting device package, a printed circuit board on which the light emitting device package is arranged and a sealing member that surrounds the light emitting device package and the printed circuit board, wherein a predetermined space is formed between the light emitting device package and the printed circuit board and the sealing member.11-17-2011
20100220474PACKAGE FOR LIGHT EMITTING DEVICE AND METHOD FOR PACKAGING THE SAME - There are provided a light emitting device package and a method for manufacturing the same. The light emitting device includes: a plurality of barriers provided above a metal circuit board; a plurality of light emitting devices placed in a space between the barriers; and a lens unit provided at an upper side of the barrier. Accordingly, the plurality of light emitting devices can be conveniently seated as a module format, and a luminance can be increased. Also, an efficiency of heat sink can be increase.09-02-2010
20100220472METHOD AND APPARATUS FOR USING LIGHT EMITTING DIODES - The present invention provides a method and apparatus for using light emitting diodes for curing in various applications. The method includes a novel method for cooling the light emitting diodes and mounting the same on heat pipe in a manner which delivers ultra high power in UV, visible and IR regions. Furthermore, the unique LED packaging technology of the present invention that utilizes heat pipes performs far more efficiently in much more compact space. This allows much more closely spaced LEDs operating at higher power and brightness.09-02-2010
20100220471LIGHTING ARRANGEMENT - The invention relates to a lighting arrangement (09-02-2010
20100220470Lamp Device - There is provided a lamp device including a housing having a plurality of radiation fins for heat radiation on a top surface portion thereof, a Light Emitting Diode heat (LED) substrate having a plurality of LEDs for emitting illumination light, and a cover formed of a transparent or semi-transparent light-transmitting material and installed to be engaged with the housing under the LED substrate, for protecting the LED substrate.09-02-2010
20120092864ILLUMINATION SYSTEM FOR SPOT ILLUMINATION WITH REDUCED SYMMETRY - An illumination system (04-19-2012
20120092863PATTERN-PROJECTING LIGHT-OUTPUT SYSTEM - A light-output system (04-19-2012
20120287622ILLUMINATION DEVICE AND DISPLAY DEVICE - The peripheral edges of a mounting substrate (11-15-2012
20120287620 LED Lighting - An LED lighting device is described that has a strip of LEDS located on a housing. The LEDs will be in groups such that the light from the plurality of LEDs will be evenly blended in with the light from the other LEDs in the group. The light will be blended evenly on a plastic lens cap located above the group of LEDs. A diffusion gel and/or holographic paper can also add to the even spread of the LED light. The LEDs contained in the group will basically be a warm white LED, a cool white LED and a colored LED. The colored LED can be an amber or red LED.11-15-2012
20120287624LED-BASED ILLUMINATION MODULE WITH PREFERENTIALLY ILLUMINATED COLOR CONVERTING SURFACES - An illumination module includes a color conversion cavity with multiple interior surfaces, such as sidewalls and an output window. A shaped reflector is disposed above a mounting board upon which are mounted LEDs. The shaped reflector includes a first plurality of reflective surfaces that preferentially direct light emitted from a first LED to a first interior surface of the color conversion cavity and a second plurality of reflective surfaces that preferentially direct light emitted from a second LED to a second interior surface. The illumination module may further include a second color conversion cavity.11-15-2012
20120287623LED-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.11-15-2012
20100202139Whimsical firefly simulation device - A whimsical firefly simulation apparatus achieves the random, fanciful flutter of fireflies' flight and bioluminescence through the use of the vibrating wand, which includes a weighted motor. An open-ended square configuration of a blue, a red, and a green LED, in combination with the vibrating wand allow for a visual display of blue, violet, red, yellow, green and white light to be generated.08-12-2010
20130010462DISPLAY DEVICE - There is provided a display device including a light-emitting element package, in which a plurality of light-emitting elements emitting light of different colors are arranged vertically and horizontally, is disposed on a base substrate having a plane shape in a vertical direction and an arc shape in a horizontal direction.01-10-2013
20130016505LED Module for SpotlightsAANM Gianordoli; StefanAACI FurstenfeldAACO ATAAGP Gianordoli; Stefan Furstenfeld AT - Set of a plurality of LED emitters, wherein the LED emitters in the set generate a different luminous efficacy, and have a standard housing.01-17-2013
20080291670LIGHTING SYSTEM USING SEMICONDUCTOR COUPLED WITH A REFLECTOR HAVE 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.11-27-2008
20120243221DISPLAY APPARATUS AND ELECTRONIC DEVICE - A display apparatus, includes: a substrate; a plural light emitting elements provided on the substrate and each formed from a lower electrode, a light emitting function layer and an upper layer stacked in this order; a partition for element isolation provided on the substrate and having a plural apertures individually corresponding to the light emitting elements; and a black matrix disposed on the light extraction side of the light emitting elements and having a shape with which the black matrix covers over portions. Each of the apertures of the partition having a side wall is formed in such a tapering shape that the aperture width increases toward the light extraction side of the light emitting elements. The black matrix is provided in such a manner as to cover over an upper edge portion of the tapering shape on at least one side which defines each aperture of the partition.09-27-2012
20130170200Light Source - A light source comprising at least one illumination unit having a plurality of light-emitting diodes comprising a plurality of first light-emitting diodes and a plurality of second light-emitting diodes, wherein the first and second light-emitting diodes emit light having mutually different colors, and wherein the plurality of the light-emitting diodes are arranged along a bent curve.07-04-2013
20080239718Backlighting Arrangement With Semiconductor Light Sources Arranged in Light Groups and Lighting Device - This invention relates to uniform backlighting of surfaces by semiconductor light sources. Various semiconductor light sources are combined into identical illumination groups. These identical illumination groups are arranged so that uniform backlighting of a surface is made possible. For homogeneous color mixing to be achieved, especially at edges, each illumination group in the arrangement has at least one adjacent illumination group in a different orientation.10-02-2008
20080232101System for Representing True Colors with Device-Dependent Colors on Surfaces and for Producing Paints and Coatings Matching the True Colors - An apparatus for displaying paint colors using device-dependent colors is disclosed. The apparatus has a wall portion sized and dimensioned to be substantially similar to a full size wall, and the device-dependent colors have color coordinates that are substantially similar to the color coordinates of paint colors. Lights displaying the device-dependent colors are diffused before illuminating the wall portion. A method for selecting paints using device-dependent colors is also disclosed.09-25-2008
20080232100ILLUMINATION MODULE AND PROJECTION APPARATUS - An illumination module including a first light-emitting element, a first heat dissipation element, a first heat conducting unit, a second light-emitting element, a second heat dissipation element, and a second heat conducting unit is provided. The first light-emitting element is capable of emitting a first color light beam. The first heat conducting unit is connected between the first light-emitting element and the first heat dissipation element. The second light-emitting element is capable of emitting a second color light beam. The second heat conducting unit is connected between the second light-emitting element and the second heat dissipation element. The first heat dissipation element and the second heat dissipation element are disposed separately. The first heat conducting unit and the second heat conducting unit are also disposed separately. The heat dissipation characteristic of the illumination module is better. A projection apparatus having the illumination module is also provided.09-25-2008
20080225520Set-point validation for color/intensity settings of light fixtures - Disclosed examples of lighting systems having at least three light sources of different colors may be controlled by validating input settings representing chromaticity and/or intensity of desired light to be generated by determining if the respective lighting system is capable of generating the desired light. This may involve comparing the chromaticity and/or intensity to a three-dimensional gamut representing chromaticity and associated intensities that the lighting system is capable of generating. The top contour of the gamut represents the maximum intensities for every chromaticity which the lighting system is capable of generating. Specifically the top contour is defined by points representing the maximum attainable intensities that each light source is capable of generating and the maximum intensity attainable by the lighting system.09-18-2008
20130176721LIGHT FIXTURE WITH TEXTURED REFLECTOR - A light fixture with a textured reflector is disclosed. Embodiments of the present invention provide for a lighting system in which LEDs face, and the majority of light form the LED light source is incident on, a textured back reflector while producing minimal glare and minimal imaging of the light source. Such a reflector may be referred to as a retro-reflector. The reflector for the light fixture can be made from a relatively inexpensive material such as polycarbonate, which without texturing has a specular or semi-specular surface. Further, a diffuse white layer to provide color mixing or prevent glare and reflections is not needed. The textured reflector can be textured by way of an imprinted pattern or by roughening, and can be extruded. A prismatic texture may be used. The texturing can also be spatially varied.07-11-2013
20130176722LIGHT FIXTURE WITH TEXTURED REFLECTOR - A light fixture with a textured reflector surface is disclosed. Embodiments of the present invention provide for a lighting system in which LEDs face, and the majority of light form the LED light source is incident on, a textured surface of a back reflector while producing minimal glare and minimal imaging of the light source. Such a reflector may be referred to as a retro-reflector. The reflector for the light fixture can be made from a relatively inexpensive material such as polycarbonate, which without texturing has a specular or semi-specular surface. This material can be used alone or with a metal substrate to form the reflector. The textured surface can be textured by way of an imprinted pattern or by roughening, and can be extruded. A prismatic texture may be used. The texturing can also be spatially varied.07-11-2013
20130176723SOLID-STATE LAMPS WITH IMPROVED RADIAL EMISSION AND THERMAL PERFORMANCE - A solid-state lamp is described that includes a first light emission zone and a second light emission zone, where the first light emission zone is longitudinally spaced apart from the second light emission zone. The light emission zones comprise a photoluminescence wavelength conversion component and a solid state light emitting device. The lamp comprises a lower body, a central body, and an upper duct, where the central body, and the upper duct together define at least one passageway/duct for thermal airflow.07-11-2013
20130176724SOLID-STATE LAMPS WITH IMPROVED RADIAL EMISSION AND THERMAL PERFORMANCE - A solid-state lamp is described that includes a wavelength conversion component located at one end of the lamp. The 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, located at one end of the lamp. 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.07-11-2013
20130176725DISPLAYS HAVING BUILT-IN MO RE REDUCTION STRUCTURES - Techniques and display devices that provide a built-in Moire reduction structure in a display screen are disclosed. The built-in Moire reduction structure is configured to suppress spatial frequencies that are associated with the sub-pixel level periodicities in the light emitted by the colored sub-pixels of the display screen, and hence, reduce the Moire patterns that might otherwise be produced when images presented on the display screen are captured by a digital image capturing device having a periodic light-sensing structure. The built-in Moire reduction structure is a blur layer placed on the viewer side of the screen and separated by a spacer layer from the pixel layer of the display screen. The blurring power of the blur layer is controlled to substantially preserve the pixel-level resolution of the display screen.07-11-2013
20130094206METHOD, SYSTEM AND APPARATUS FOR HIGHLY CONTROLLED LIGHT DISTRIBUTION FROM LIGHT FIXTURE USING MULTIPLE LIGHT SOURCES (LEDS) - An apparatus, method, or system of lighting units comprising a plurality of lighting elements, such as one or more LEDs, each element having an associated optic which is individually positionable. In embodiments of the present invention, one or more optics are developed using optimization techniques that allow for lighting different target areas in an effective manner by rotating or otherwise positioning the reflectors, refractive lenses, TIR lenses, or other lens types to create a composite beam. The apparatus, method, or system of lighting herein makes it possible to widely vary the types of beams from an available fixture using a small number of inventoried optics and fixtures. In some cases, by using a combination of individual beam patterns, a small set of individual optics would be sufficient to create a majority of the typical and specialized composite beams needed to meet the needs of most lighting projects and target areas.04-18-2013
20130094205ILLUMINATED DISPLAY FOR REPRESENTING A THREE-DIMENSIONAL OBJECT - An illuminated display for representing a three-dimensional object includes a display element containing the object, wherein information becomes visible when light is coupled into the display element. The display element is transparent. The three-dimensional object is made from a first plastic material having a first refractive index and is partially or completely surrounded by a second plastic material having a second refractive index.04-18-2013
20130100660MULTIPLE EXCITING LIGHT SYSTEM - A multiple exciting light system for a test of a biological sample labeled with fluorochrome includes a case, in which a sample table, a first light source module, a second light source module, and filter unit are provided. The sample table is provided in the case to put the biological sample thereon. The first light source module is provided in the case to emit visible light as a first light; and the second light source module is provided in the case to emit visible light or invisible light as a second light. The first light from the first light source module and the second light from the second light source module excite the fluorochrome in the biological sample at the same time to generate a third light with a third wavelength by fluorescence resonance superposition energy transfer.04-25-2013
20130100659SCATTERED-PHOTON EXTRACTION-BASED LIGHT FIXTURES - A scattered photon extraction light fixture includes an optic element having a first surface; a light source for emitting short wavelength radiation, the light source disposed opposite, perpendicular, or tangential to the first surface of the optic element; a wavelength-conversion material, disposed on the first surface of the optic element, for receiving and down converting at least some of the short wavelength radiation emitted by the light source and transferring a portion of the received and down converted radiation; and one or more reflectors positioned opposite the wavelength-conversion material. A scattered photon extraction light system includes a plurality of light emitting fixtures. One or more wavelength-conversion materials, in the embodiments of the present invention, are disposed remotely from the light source(s), and used to absorb radiation in one spectral region and emit radiation in another spectral region. Lighting efficiency is improved by capturing the short wavelength and down-converted radiation.04-25-2013
20110273874LIGHT-EMITTING DIODE MODULE FOR A VEHICLE, AND DIODE MOUNTING - A diode module, for a vehicle, includes a first curved transparent sheet, diodes, each including an emitting chip able to emit at one or more wavelengths in the visible, and guided in the first sheet after injection via the edge face or via the sidewall of one or more holes housing the diodes in one of the main faces of the sheet, and including a bracket supporting the diodes, bordering the glazing, including a clip, for fastening to the glazing, having a middle part, a first discontinuous flange having a first set of tabs, for fastening and/or centering the clip, which are distanced from each other and a second discontinuous flange having a second set of tabs, for fastening the clip, which are distanced from each other, the first and/or second set(s) of tabs thus forming a retainer to retain the diodes in preset vertical positions relative to the first sheet.11-10-2011
20110273873LIGHT SOURCE UNIT - A light source unit includes an LED mount bar and a set of LEDs. The LED mount bar has an inside channel that is located at a center portion of the LED mount bar, and outside channels that are located at outside portions of the LED mount bar, respectively. The set of LEDs is disposed in the inside channel and the outside channels. The set of LEDs is ranked into a plurality of chromaticity regions within a predetermined chromaticity range in a chromaticity coordinate system and ranked into a plurality of luminous flux ranges according to a luminous flux value of the LEDs, respectively. The inside channel including a plurality of first LEDs from a subset of the set of LEDs. The subset of LEDs is ranked in a predetermined chromaticity region of the chromaticity regions and ranked in a predetermined luminous flux range of the luminous flux ranges.11-10-2011
20100277902LIGHT EMITTING DIODE LAMP FOR STREET LIGHTING WITH CHANGEABLE EMISSION COLOR - An LED lamp includes a curved lamp cover, a lamp case coupled to the lamp cover at one open end thereof, and a reflective plate fastened to the lamp case. The lamp case has an inner space in which a drive module for driving the lamp and a plurality of LED modules as light sources are mounted. The lamp case is divided into a first housing portion and a second housing portion. The first housing portion has a hollow space in which the drive module is fixedly installed. A mounting member configured to mount the LED modules thereon is installed in the second housing portion. Each of the LED modules includes a printed circuit board (PCB) substrate attached to the mounting member, a plurality of LED devices mounted on the PCB substrate, a lens seated on the PCB substrate to diffuse light from the LED devices, a spacer ring inserted between the PCB substrate and the lens, and a color film bonded to the lower surface of the lens facing the LED devices to determine the color of light from the LED modules.11-04-2010
20110211344Color 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.09-01-2011
20080198594Optical module - An optical module includes: point light sources; and an optical lens being spaced apart from the point light sources with an air layer therebetween and asymmetrically refracting and emitting a light incident from the point light sources.08-21-2008
20080198593Light Source for an Image-Generating Unit - The invention relates to a light source (08-21-2008
20130148344LIGHT EMITTING DEVICE - A light emitting device including an insulating substrate, a plurality of light emitting diode (LED) chips and a patterned conductive layer is provided. The insulating substrate has an upper surface. The LED chips are disposed on the insulating substrate and located on the upper surface. The dominant wavelengths of the LED chips are in a wavelength range of a specific color light and the dominant wavelengths of at least two of the LED chips are different. The patterned conductive layer is disposed between the insulating substrate and LED chips, and electrically connected to the LEDs chip.06-13-2013
20130148345LIGHT SOURCE APPARATUS - A light source apparatus includes: a white LED that emits light including a first wavelength band and a second wavelength band; a violet LED that emits light in a third wavelength band, and a rotating disk including a filter that transmits light in the first wavelength band. The light source apparatus also includes a rotating disk drive section that changes a position of the rotating disk so that if a normal observation mode is selected, the filter is retracted from an optical path of the light emitted from the white LED, if a narrow band observation mode is selected, a filter is continuously inserted in the optical path of the light emitted from the white LED, and if a twin mode is selected, the filter is intermittently inserted in the optical path of the light emitted from the white LED.06-13-2013
20130148343COMPACT LED LAMP - The invention provides an illumination assembly and an illumination assembly based lamp. The illumination assembly includes a substrate that has a plurality of light emitting areas, such that each of the light emitting area includes a group of two or more semiconductor dies that are directly mounted on the substrate. Further, a light emitting area is separated by a first distance from another light emitting area and each semiconductor die in a light emitting area is separated by a second distance from another semiconductor die in the same light emitting area, such that the first distance is substantially greater than the second distance. Furthermore, the illumination assembly also includes a single piece optic element disposed over the plurality of light emitting areas, such that the single piece optic element is configured to direct light emitted from all the light emitting areas in a cone of light.06-13-2013
20100290221MULTIPLE COMPONENT SOLID STATE WHITE LIGHT - A white light emitting lamp is disclosed comprising a solid state ultra violet (UV) emitter that emits light in the UV wavelength spectrum. A conversion material is arranged to absorb at least some of the light emitting from the UV emitter and re-emit light at one or more different wavelengths of light. One or more complimentary solid state emitters are included that emit at different wavelengths of light than the UV emitter and the conversion material. The lamp emits a white light combination of light emitted from the complimentary emitters and from the conversion material, with the white light having high efficacy and good color rendering. Other embodiments of white light emitting lamp according to the present invention comprises a solid state laser instead of a UV emitter. A high flux white emitting lamp embodiment according to the invention comprises a large area light emitting diode (LED) that emits light at a first wavelength spectrum and includes a conversion material. A plurality of complimentary solid state emitters surround the large area LED, with each emitter emitting light in a spectrum different from the large area LED and conversion material such that the lamp emits a balanced white light. Scattering particles can be included in each of the embodiments to scatter the light from the emitters, conversion material and complimentary emitters to provide a more uniform emission.11-18-2010
20100290220Plural color lighting device - A plural color lighting device incorporating a plurality of LED emitters each emitting a different color of light upon being energized by a power supply. A color changer having an indexing position for each LED emitter for activating a related switch and connecting the power supply to the LED emitter while concurrently positioning a light concentrating optic about the LED emitter to concentrate the light emitted from that LED emitter. The plural color lighting device therefore permitting the user to easily select light of any one color from a plurality of colors and have that light efficiently concentrated about the axis of the light concentrating optic.11-18-2010
20100302776TROLLY AND ILLUMINATION MODULE THEREOF - A trolley is provided, including an illumination module disposed in a frame having a plurality of plates, wherein the illumination module includes a plurality of light emitting diodes disposed on the second surface of each plate, and each light emitting diode comprises a red light chip providing 75% to 85% of it's total light energy, a green light chip providing 5% to 15% of it's total light energy and a blue light chip providing 5% to 15% of it's total light energy.12-02-2010
20100302775LIGHT-EMITTING DEVICE AND DISPLAY - This light-emitting device includes a waveguide-type red semiconductor light-emitting element emitting a red beam, a waveguide-type green semiconductor light-emitting element emitting a green beam and a waveguide-type blue semiconductor light-emitting element emitting a blue beam, while the width of a waveguide of the semiconductor light-emitting element emitting a beam of a relatively short wavelength is rendered larger than the width of a waveguide of the semiconductor light-emitting element emitting a beam of a relatively long wavelength in at least two semiconductor light-emitting elements among the red semiconductor light-emitting element, the green semiconductor light-emitting element and the blue semiconductor light-emitting element.12-02-2010
20100302774ILLUMINATION DEVICE FOR PIXELATED ILLUMINATION - An illumination device (12-02-2010
20100302772ADJUSTABLE DISPLAY DEVICE - An adjustable display device comprising a top frame, a bottom frame, at least two ropes, vertically spaced at a distance for connecting the top frame and the bottom frame; a plurality of light stripes parallel to and above the ropes. Each light stripe includes a circuit board and illuminating units disposed at a plurality of disposed the circuit board. Each circuit board includes a plurality of line opening, a pull unit disposed one inner side of the top frame and a linkup unit disposed at the other inner side of the top frame. The pull unit includes a paired first box and a first cover, a gearing set connecting to the first box and a first transmission shaft. The linkup unit includes rollers disposed at two sides of the first transmission shaft. When the pull unit is pulled by an external force, the linkup unit rolls to pull up or pull down the display device.12-02-2010
20100302771LED-based streetlamp for emitting white light with easily adjustable color temperature - Disclosed is an LED-based streetlamp for emitting white light with easily adjustable color temperature. The LED-based streetlamp includes at least one substrate, at least three red LED packages, at least three green LED packages, at least three blue LED packages and a lamp holder. The red, green and blue LED packages are provided on the substrate. Each of the LED packages includes scattering particles for providing preferred senses of direction of light so that red, green and blue light beams cast from the red, green and blue LED packages almost completely overlap to provide a white light beam.12-02-2010
20130155671ARRANGEMENT FOR SPOT ILLUMINATION - There is provided an arrangement for spot illumination (06-20-2013
20120281399LIGHTING SYSTEM WITH COMBINED DIRECTLY VIEWABLE LUMINOUS OR TRANSMISSIVE SURFACE AND CONTROLLED AREA ILLUMINATION - An apparatus, system and method for lighting an area, for example, an outdoors pedestrian area or building façade or an auto traffic area, or an indoor large area, which provides indicator/guide light, reference light for structures, and task lighting for a target area. The method uses first lighting sources that are directly viewable by observers and which can be historical, architectural, or aesthetically selected sources, but which produce a relatively low level of light or luminance insufficient to effectively light the area but sufficient to act as an indicator or guide, as well as to provide reference illumination on buildings or structures. Second lighting sources are configured to produce directional light to light the area but hide the light sources from most conventional observer viewing angles and may be enclosed within the general outlines of the globe or transmissive surface area of the fixture.11-08-2012
20120281398DECORATIVE LIGHT STRING - The present invention is a decorative light string that includes electrical wiring utilized to provide power to the light string, an attachment interface that receives the electrical wiring and a plurality of 100 LED lights or more attached to the electrical wiring by the attachment interface, Each LED light includes an elongated rectangular shaped LED light switch that controls illumination of the LED lights, a plurality of colored LEDs that are housed within the light switch that controls illumination of the LED lights and an exterior bulb that encloses the LED light switch and the colored LEDs forming the LED light.11-08-2012
20110310602LIGHTING DEVICE AND LIGHTING METHOD - There is provided a lighting device comprising one or more groups of solid state light emitters and one or more groups of lumiphors, which emits mixed illumination having x, y color coordinates within a region defined by (0.32, 0.40), (0.36, 0.38), (0.41, 0.455), and (0.36, 0.48). Also, such lighting devices which emit light having x, y color coordinates within other specified regions. Also, such lighting devices with respective groups which emit light within two specified regions, and which mix to produce light within such regions. Also, methods of lighting light from such emitters and/or lumiphors.12-22-2011
20110310601Light-emitting diode line lamp - An LED line lamp provides a lamp string design which is simple in structure, small in volume, used conveniently, not fractured easily, and supplies a free creation space to common people. Plural LED lamps are connected serially on an electric wire depending on a pre-determined distance, and an end of the wire is disposed with a power connection element to be directly connected with a battery or an adapter for supplying electricity. A supporter which is harder than the wire is located at the LED lamp position, and can display light of the LED lamp. By softness of the electric wire, a required shining shape can be arranged freely according to pre-determined texts or patterns, and the LED lamp position can be protected by the supporter that it will not be damaged upon bending the wire, allowing an operation to be safer and more smoothly.12-22-2011
20130188345ILLUMINATION APPARATUS, USE OF THE ILLUMINATION APPARATUS, METHOD FOR DAZZLE-FREE ILLUMINATION AND ARRANGEMENT COMPRISING THE ILLUMINATION APPARATUS - It is an object of the invention to provide an improved illumination apparatus for the comfortable illumination of a region monitored by a night vision instrument.07-25-2013
20120020074SURFACE LIGHT SOURCE DEVICE HAVING SEPARATED COLOR MIXING MEMBER AND EFFECTIVE MEMBER - A color-mixing section R01-26-2012
20120020073OPTICALLY PUMPED SOLID-STATE LASER AND LIGHTING SYSTEM COMPRISING SAID SOLID-STATE LASER - The invention relates to a solid-state laser device (01-26-2012
20120020072MULTIPARAMETER STAGE LIGHTING APPARATUS WITH GRAPHICAL OUTPUT - A multiparameter stage lighting apparatus is provided comprising a lamp housing, which may include a plurality of sets of light emitting diodes, each set of light emitting diodes having a plurality of colors, the plurality of sets of light emitting diodes forming an additive color mixing system. The multiparameter stage lighting apparatus may further include a plurality of pie shaped light emitting circuit boards, one light emitting circuit board for each set of the plurality of sets of light emitting diodes, each set of the plurality of sets of light emitting diodes mounted to its respective light emitting circuit board. The multiparameter stage lighting apparatus may further include a plurality of light emitting diode signaling circuit boards, one for each of the plurality of pie shaped light emitting circuit boards.01-26-2012
20120020071HIGH PERFORMANCE LED GROW LIGHT - High performance LED grow lights and methods of manufacturing high performance LED grow lights are disclosed. Features of a grow light may include, inter alia, LED elements with acute angle lenses, and LED distributions that optimize light intensity over a desired grow area, at wavelengths that maximize photosynthesis, plant growth and flowering. The light may also optionally provide for visibility of plant growth and the work area.01-26-2012
20130194794LIGHT EMITTING DEVICE - A light emitting device includes: a support unit; a luminous element mounted on the support unit; and a wavelength conversion unit formed on the support unit to cover the luminous element and configured as an encapsulant containing first light wavelength converters emitting light having a relatively long wavelength and second light wavelength converters emitting light having a relatively short wavelength, wherein the wavelength conversion unit includes a first mixture region adjacent to the luminous element and a second mixture region above the first mixture region, a relatively large amount of first light wavelength converters are distributed in the first mixture region, and a relatively large amount of second light wavelength converters are distributed in the second mixture region.08-01-2013
20130194795LIGHT-EMITTING APPARATUS, LIGHTING APPARATUS AND LENS - The light-emitting apparatus includes: a first light-emitting source which emits light of a first chromaticity from a first light-emitting surface; a second light-emitting source which has a second light-emitting surface provided adjacently to the first light-emitting surface and which emits light of a second chromaticity different from the first chromaticity, from the second light-emitting surface; and a lens member having a light-entering surface which is arranged facing the first light-emitting surface and the second light-emitting surface and on which depressions and projections that mix light entering from the first light-emitting source and the second light-emitting source are formed, and a light-exiting surface which radiates light from the first light-emitting source and the second light-emitting source that has entered from the light-entering surface.08-01-2013
20130194792LIGHTING DEVICE AND LIGHTING METHOD - A lighting device comprising sources of visible light comprising solid state light emitters and/or luminescent materials emitting three or four different hues. A first group of the sources, when illuminated, emit light of two hues which, if combined, would produce illumination having coordinates within an area on a 1931 CIE Chromaticity Diagram defined by points having coordinates: 0.59, 0.24; 0.40, 0.50; 0.24, 0.53; 0.17, 0.25; and 0.30, 0.12. A second group of the sources is of an additional hue. Mixing light from the first and second groups produces illumination within ten MacAdam ellipses of the blackbody locus. Also, a lighting device comprising a white light source having a CRI of 75 or less and at least one solid state light emitters and/or luminescent material. Also, methods of lighting.08-01-2013
20130194793MARKING PROJECTOR - A marking projector, in particular a building projector, comprising at least one light generating device and at least one light coupling-out device for coupling at least a part of the light generated by the at least one light generating device out of the marking projector, wherein the at least one light coupling-out device is light-conductingly connected to the at least one light generating device by way of at least one beam path, wherein at least a part of the at least one beam path between the at least one light generating device and the at least one light coupling-out device extends through a fluid or gel-like light guide which is hardened on the surface of an areal substrate.08-01-2013
20120057338LIGHT EMITTING DEVICE - A light emitting device according to one embodiment includes a board; plural first light emitting elements mounted on the board to emit light having a wavelength of 250 nm to 500 nm; plural second light emitting elements mounted on the board to emit light having a wavelength of 250 nm to 500 nm; a first fluorescent layer formed on each of the first light emitting elements, the first fluorescent layer including a first phosphor; and a second fluorescent layer formed on each of the second light emitting elements, the second fluorescent layer including a second phosphor. The second phosphor is higher than the first phosphor in luminous efficiency at 50° C., and is lower than the first phosphor in the luminous efficiency at 150° C.03-08-2012
20120057337CONVERSION MATERIAL, PARTICULARLY FOR A WHITE OR COLORED LIGHT SOUCE COMPRISING A SEMICONDUCTOR LIGHT SOURCE, A METHOD FOR THE PRODUCTION THEREOF, AS WELL AS A LIGHT SOURCE COMPRISING SAID CONVERSION MATERIAL - The invention relates to a conversion material, in particular for a white or colored light source comprising a semiconductor light source as primary light source, comprising a matrix glass that, as bulk material, for a thickness d of about 1 mm, has a pure transmission τ03-08-2012
20130201676SYSTEM AND METHOD FOR MIXING LIGHT EMITTED FROM AN ARRAY HAVING DIFFERENT COLOR LIGHT EMITTING DIODES - The tunable color mixing system includes a mixing barrel that captures light from multiple light emitting diodes emitting at different colors, mixes the light, and outputs the light with a narrow beam angle from a small area. The array of LEDs in the system is thermally coupled to a heat conductor via thermal pads. A flexible printed circuit is electrically connected to the LEDs to supply and fine-tune the electrical power. The array includes LEDs of at least three emitting colors to achieve an output light having a high color rendering index, tunable to a wide range of correlated color temperatures.08-08-2013
20130201677MAINTAINING COLOR CONSISTENCY IN LED LIGHTING DEVICE HAVING DIFFERENT LED TYPES - A lighting device has a plurality of LEDs connected in series. In the lighting device, a first LED assembly has LEDs of a first type having a first luminous flux output decreasing as a first function of its junction temperature. A second LED assembly has LEDs of a second type having a second luminous flux output decreasing as a second function of its junction temperature different from the first function. At least one of the LEDs of the first type and LEDs of the second type is connected in parallel to a resistor assembly having a temperature-dependent resistance. The temperature dependence of the resistance stabilizes a ratio of the first luminous flux output to the second luminous flux output at different junction temperatures of the first LED assembly and the second LED assembly.08-08-2013
20130201678GLASS CERAMIC AS A COOKTOP FOR INDUCTION HEATING HAVING IMPROVED COLORED DISPLAY CAPABILITY AND HEAT SHIELDING, METHOD FOR PRODUCING SUCH A COOKTOP, AND USE OF SUCH A COOKTOP - A glass ceramic as cooktop for induction heating having improved colored display capability and heat shielding is provided. The cooktop includes a transparent, dyed glass ceramic plate having high-quartz mixed crystals as a predominant crystal phase. The glass ceramic contains none of the chemical refining agents arsenic oxide and/or antimony oxide and has a transmittance values greater than 0.4% at at least one wavelength in the blue spectrum between 380 and 500 nm, a transmittance >2% at 630 nm, a transmittance of less than 45% at 1600 nm, and a light transmittance of less than 2.5% in the visible spectrum.08-08-2013
20120300452LED-BASED ILLUMINATION MODULE WITH PREFERENTIALLY ILLUMINATED COLOR CONVERTING SURFACES - An illumination module includes a color conversion cavity with a first interior surface having a first wavelength converting material and a second interior surface having a second wavelength converting material. A first LED is configured to receive a first current and to emit light that preferentially illuminates the first interior surface. A second LED is configured to receive a second current and emit light that preferentially illuminates the second interior surface. The first current and the second current are selectable to achieve a range of correlated color temperature (CCT) of light output by the LED based illumination device.11-29-2012
20120300451VARIABLE LIGHTING APPARATUS - Provided is a variable lighting apparatus that may include a lighting unit to emit light and including a plurality of connection end portions extending in different directions and at different angels, a supporting unit selectively connected with one of the plurality of connection end portions of the lighting unit to support the lighting unit, and to provide power to the connected lighting unit based on a contact point connection scheme. At least one of a light angle, a light direction, an elevation of light, and an amount of light associated with light emitted from the lighting unit varies based on a change in a state of connections between the plurality of connections portions and the supporting unit. The variable lighting apparatus may readily vary a lighting condition by changing a state of a connection between the lighting unit and the supporting unit.11-29-2012
20120300450Variable color light emitting device and illumination apparatus using the same - A variable color light emitting device includes first, second and third light sources differing in chromaticity of emission light; and a driver for changing light outputs. The chromaticities of the second and third light sources are selected such that, on straight lines passing through reference chromaticities of the second and third light sources and a chromaticity of an arbitrary color temperature on the blackbody locus, a ratio of a distance between the chromaticity of the second light source and the chromaticity on the blackbody locus to a distance between the chromaticity of the third light source and the chromaticity on the blackbody locus becomes equal to a ratio of a distance between the reference chromaticity of the second light source and the chromaticity on the blackbody locus to a distance between the reference chromaticity of third light source and the chromaticity on the blackbody locus.11-29-2012
20120075846TWO-COLOR MIXING LED ILLUMINATING DEVICE - An LED illuminating device comprises a housing with a base plate, a prism sheet and a circuit board. The prism sheet is mounted in the housing and comprises a number of V-shaped micro-grooves formed thereon along four directions intersecting with each other. The circuit board is fixed on the base plate, wherein a plurality of LED units is arranged on the circuit board. Each two adjacent LED units are spaced a preset distance and emit light of different colors. Eight virtual mixed light sources are formed by reflection of the prism sheet to the circuit board when the light emitted by one of the LED units mixes with light emitted from adjacent LED units on the circuit board. Each of the virtual mixed light sources has a color different from the colors of the light emitted from the LED units.03-29-2012
20130208464LIGHT SOURCE SYSTEM - A light source system includes two solid-state light sources, two filters, a rotary wheel, a first reflector, a second reflector and a multiband filter is provided. The rotary wheel has a first surface and a second surface opposite to the first surface. The two solid-state light sources and the two filters are disposed in front of the first surface. The first surface includes a first waveband converting region, a reflecting region and a transmission region. The second surface includes a second waveband converting region is symmetrical to the first waveband converting region. The first reflector, the second reflector and the multiband filter are disposed in front of the second surface. Furthermore, the multiband filter is disposed between and optically coupled with the first and the second reflectors. With these arrangements, the light source system could provide light beams of different wavebands to the light valve of a projector.08-15-2013
20130208465LASER LIGHT SOURCE MODULE AND METHOD OF MANUFACTURING LASER LIGHT SOURCE MODULE - A laser light source module includes a plurality of laser light sources, a synthesizing element, a light receiving element, a case unit and a sealing unit. The synthesizing element overlaps laser beams outputted from the laser light sources. The light receiving element detects the intensities of the laser beams outputted from the laser light sources. The case unit houses the laser light sources and the synthesizing element. The sealing unit seals the case unit. The light receiving element is attached to the sealing unit.08-15-2013

Patent applications in class Different wavelengths