Entries |
Document | Title | Date |
20080198570 | Backlight apparatus, liquid crystal display - The present invention relates to a backlight apparatus and a liquid crystal display apparatus, capable of realizing a backlight apparatus having high color reproductivity without color irregularities in a backlight apparatus having a LED device as its light source. In the optical unit | 08-21-2008 |
20080225506 | Display Panel and a Light Source Used Therein - A display panel and a light source device used therein are provided. The display panel includes a light-guide thin-film circuit substrate, a light source and a polarizing layer. The light-guide thin-film circuit substrate has a light entrance end and a light exit top surface, and the light source is disposed corresponding to the light entrance end. The polarizing layer is disposed on the light-guide thin-film circuit substrate and parallels the light exit top surface of the light-guide thin-film circuit substrate. The light produced by the light source enters the circuit substrate through the light entrance end, guided and transmitted through the circuit substrate, and then leaves the circuit substrate through the light exit top surface and enters the polarizing layer. The light after passing through the polarizing layer is turned into a polarized light having flat light source effect as a backlight source for the system. A polarizer may even be disposed between the light source and the light entrance end, so the light is turned into polarized light before entering the circuit substrate. | 09-18-2008 |
20080232080 | Polarization Plate For Use In A Liquid Crystal Display - A polarization plate is provided for use between a light source and a display panel, where the light source is configured to emit light having a plurality of planes of polarization and the display panel is configured to have a predetermined polarization axis. The plate includes a repolarization region and a prepolarization region. The repolarization region is configured to diffuse and to depolarize or rotate at least one plane of polarization of the light passing therethrough. The prepolarization region is disposed adjacent to and in contact with the repolarization region. The prepolarization region is configured to be substantially nonabsorbent, to allow passage of light having a plane of polarization that is substantially aligned with the predetermined polarization axis, and to prevent passage of light having a plane of polarization that is not substantially aligned with the predetermined polarization axis. In another embodiment, an interface is provided between the regions. | 09-25-2008 |
20080247150 | SURFACE ILLUMINATION APPARATUS, AND LIQUID CRYSTAL DISPLAY WITH THE SAME - A surface illumination apparatus includes: a light source; an end-surface light-guide portion which guides light emitted from the light source in a long-side direction thereof and generates emitted light in a short-side direction thereof; and a light guide plate which allows the emitted light to be incident upon an end-surface portion thereof and emits the incident light from one main-surface portion thereof. The end-surface light-guide portion includes a plurality of polarization control portions arranged in the long-side direction; the plurality of polarization control portions each has a half-wave plate and a polarizing prism; the end-surface light-guide portion emits the emitted light in the form of either of S-polarized light and P-polarized light, using the plurality of polarization control portions; and the light guide plate emits, as output light, either of S-polarized light and P-polarized light from the one main-surface portion. | 10-09-2008 |
20080285255 | Low birefringent light redirecting film - The invention relates to a polymeric optical film comprising a base provided with integral optical features on at least one side, wherein the features have two or more sides that form a ridge line, wherein the optical film has light leakage through crossed polarizers of less than 1.0%. | 11-20-2008 |
20080304248 | Display device - A display device useful to create an interactive image having different sizes by employing one display panel that is allowed to emit the light toward both directions. | 12-11-2008 |
20090109648 | Techniques For Controlling Observed Glare Using Polarized Optical Transmission And Reception Devices - Systems and methods that utilize an adjustment mechanism for adjusting the polarization angle of a light source relative to the polarization angle of a viewing filter, so as to permit adjustment of visual contrast between interposed specular media and an object to be viewed and/or photographed, wherein the interposed specular media is an atmospheric phenomenon comprising a seemingly infinite number of dispersed specularly reflective particles enveloping at least one of an observer or a scene of interest. The light source includes a light generation mechanism for generating polarized light, and an optional source polarization angle determination mechanism for adjusting the angle of polarization of the light source. The viewing filter includes a filter polarization angle adjustment mechanism for adjusting at least one of the polarization angle of maximum light attenuation and the polarization angle of minimum light attenuation. | 04-30-2009 |
20090116211 | DOUBLE-SIDED LIGHT EMITTING DEVICE - A double-sided light emitting device including lower and upper substrates, an emission element formed between an inner surface of the upper substrate and an inner surface of the lower substrate and emitting predetermined light, an upper layer of polarizing material disposed on at least one of inner and outer surfaces of the upper substrate, and a lower layer of polarizing material disposed on at least one of inner and outer surfaces of the lower substrate. | 05-07-2009 |
20090129047 | DOUBLE-SIDED LIGHT EMITTING DEVICE - A double-sided light emitting device including lower and upper substrates, an emission element formed between an inner surface of the upper substrate and an inner surface of the lower substrate and emitting predetermined light, an upper layer of polarizing material disposed on at least one of inner and outer surfaces of the upper substrate, and a lower layer of polarizing material disposed on at least one of inner and outer surfaces of the lower substrate. | 05-21-2009 |
20090168392 | LENS ARRAY AND ILLUMINATION MODULE - A lens array includes a first lens group with rows of first lenses having first optical surfaces, a second lens group with rows of second lenses having second optical surfaces, and a reference plane. Each first and second lenses extend along a first axis. The second lenses are disposed at two sides of the first lens group along a second axis perpendicular to the first axis. An optical axis of the second optical surface is perpendicular to the first and second axis. An optical axis of the first optical surface is perpendicular to the first axis and has an angle larger than 0 degree and smaller than 6 degrees with the optical axis of the second optical surface. The reference plane perpendicular to the second axis passes through the first lens group. A normal vector of each first optical surface on the optical axis points away from the reference plane. | 07-02-2009 |
20090168393 | Polarized light illumination device - A polarized light illumination device is described, which includes a light source, a polarizer, a reflector, and a polarized light converter. The light source generates light. The reflector is used for reflecting light generated by the light source towards the polarizer. The polarizer allows a first polarized light to pass through, and reflects a second polarized light. The polarized light converter reflects the light irradiated on the polarized light converter and performs a polarization conversion. A plane where the polarized light converter is located is substantially perpendicular to the polarizer. | 07-02-2009 |
20090168394 | ILLUMINATION DEVICE FOR PRODUCING A POLARIZED LIGHT BEAM - An illumination device for providing a polarized light beam comprising a light source ( | 07-02-2009 |
20090237909 | LIGHT POLARIZATION CONTROL USING SERIAL COMBINATION OF SURFACE-SEGMENTED HALF WAVELENGTH PLATES - A light polarization control apparatus includes a linear polarized light generation device for generating a linearly polarized light ray; and a pair of first and second four-division type half-wave plate located at front and back positions of a light axis, each said half-wave plate having a surface divided into four regions by a couple of boundary lines crossing together at right angles, wherein the linearly polarized light ray is guided to pass through said pair of first and second four-division type half-wave plate to thereby divide this light ray into eight areas each having its polarization state as converted to any one of a azimuthally polarized state and a radially polarized state. | 09-24-2009 |
20090279278 | Light emitting device and method for manufacturing the same - A light emitting device, including: a light emitting element emitting polarized light; and a light emitting element attachment module allowing a polarization direction of the polarized light (incident light) to be set more than −45 degrees and less than +45 degrees with respect to a plane of incidence onto a reflecting surface which reflects the polarized light emitted from the light emitting element. | 11-12-2009 |
20090296366 | DISPLAY APPARATUS - A member configured to absorb a predetermined wavelength range for light having an incident angle is located on the first electrode side of a light emitting device and settings are made so that the hue of light emitted in a direction having an angle with respect to the front becomes yellow when the light emitting device emits white light. | 12-03-2009 |
20090316381 | LIGHT SOURCE - The invention relates to a light source ( | 12-24-2009 |
20100008060 | LIGHT ASSEMBLY WITH HIGH COLOR-RENDERING PROPERTY - A light assembly is provided. The light assembly includes at least one ultraviolet (UV) lamp and a wavelength-converting member. The wavelength-converting member encircles the UV lamp and includes a substrate, and a wavelength-converting layer disposed on the substrate and faces the UV lamp. In this way, the wavelength-converting layer is energized by the ultraviolet light emitted from the UV lamp to emit a visible light in turn. | 01-14-2010 |
20100027238 | Polarization-recovery illumination system with high illumination efficiency - A polarization-recovery illumination system contains a light-source structure ( | 02-04-2010 |
20100033944 | Polarized illumination lens device - A skew light illumination lens body mainly directs the light from a illuminant device to diffuse to a predetermined direction. The lens body includes a base with a receiving slot having a downwards opening for receiving the illuminant device. A top side of the receving slot is covered by a cancaved arc as a light incident side. An convex curved surface is formed deviated from the center axis on the top of the base with a predetermined angle. The dense light of the illuminant device will be refracted and gathered by the concaved arc to the highest point of the convex curved surface and being projected. | 02-11-2010 |
20100067212 | Lighting tool and outdoor display device - A lighting tool including a circularly polarizing plate disposed over a light-emitted surface, a lamp main body and a light source disposed in the lamp main body, wherein the circularly polarizing plate is disposed over the light-emitted surface so that light emitted from the light source passes therethrough. | 03-18-2010 |
20100134999 | Display Panel and a Light Source Used Therein - A display panel and a light source device used therein are provided. The display panel includes a light-guide thin-film circuit substrate, a light source and a polarizing layer. The light-guide thin-film circuit substrate has a light entrance end and a light exit top surface, and the light source is disposed corresponding to the light entrance end. The polarizing layer is disposed on the light-guide thin-film circuit substrate and parallels the light exit top surface of the light-guide thin-film circuit substrate. The light produced by the light source enters the circuit substrate through the light entrance end, guided and transmitted through the circuit substrate, and then leaves the circuit substrate through the light exit top surface and enters the polarizing layer. The light after passing through the polarizing layer is turned into a polarized light having flat light source effect as a backlight source for the system. A polarizer may even be disposed between the light source and the light entrance end, so the light is turned into polarized light before entering the circuit substrate. | 06-03-2010 |
20100165598 | MICROSTRUCTURAL POLARIZED LIGHT-GUIDE DEVICE - A microstructural polarized light-guide device comprises an unpolarized light source module, a subwavelength polarization beam splitter structure and a polarization conversion module, the unpolarized light source module comprises a light-guide plate and a light source at the edge of the light-guide plate, the material of the light-guide plate is PMMA with the characteristic of high transparency, the surface of the light-guide plate has a plurality of extraction patterns, the polarization beam splitter structure is a nano-scale structure and comprises a dielectric nanograting layer and a metallic nanograting layer, and the dielectric nanograting layer and the metallic nanograting layer are vertically stacked with each other, the dielectric nanograting layer is integrated with a surface opposite to the surface with the plurality of extraction patterns, the polarization conversion module is disposed on the surface with the plurality of extraction patterns of the light-guide plate. | 07-01-2010 |
20100214762 | LAMP-HIDING ASSEMBLY FOR A DIRECT LIT BACKLIGHT - The present invention is applicable to optical assemblies for use with direct-lit backlights that exhibit a lower transmission for light of normal incidence as compared to the transmission of light at higher angles of incidence, to accomplish a leveling effect of the light across the display. In one embodiment, an optical assembly includes a reflector having an internal Brewster angle and a reflective polarizer having orthogonal reflection and transmission axes. In another embodiment, a direct lit backlight assembly includes one or more lamps, a reflector having an internal Brewster angle, where a major surface of the reflector is facing at least one of the one or more lamps, and a light redirecting layer. | 08-26-2010 |
20100220459 | POLARIZED LIGHT EMITTING DEVICE - The present invention relates to a light emitting device, comprising: a LED die ( | 09-02-2010 |
20100246158 | LIGHTING DEVICE - The present invention provides a lighting device, comprising a first light guide adapted to guide light and output the light in a first direction; a second light guide adapted to guide light and output the light in another, second direction; a dividing structure adapted to receive light from a light source and guide the light into the first light guide and into the second light guide, wherein the dividing structure comprises controllable dividing means for guiding a first percentage of the light from the light source into the first light guide, and a second percentage of the light from the light source into the second light guide. | 09-30-2010 |
20100254114 | VIDEO IMAGE APPRECIATION SYSTEM - A video image appreciation system | 10-07-2010 |
20100271800 | Display Apparatus and Method for Manufacturing an Optical Compound Layer - A display apparatus and a method for manufacturing an optical compound layer are provided. The display apparatus comprises a light source and an optical compound layer, wherein the light source is adapted to emit a light beam, and the light beam has a polarization direction. The optical compound layer is disposed on the light source correspondingly to receive the light beam. The optical compound layer comprises a thin film and a plurality of dopants doped therein. One of the thin film and the dopants has a specific orientation which is substantially the same as the polarization direction of the light beam and the refractive indexes of the thin film and the dopants are substantially the same as well. | 10-28-2010 |
20100277887 | POLARIZED WHITE LIGHT EMITTING DIODE - A polarized white light emitting diode is provided, including a substrate with an ultraviolet light emitting diode (UV LED) chip disposed thereover for emitting ultraviolet (UV) light, a phosphor layer coated around the UV LED chip to be excited by the UV light from the UV LED chip to thereby emit white light, an omni-directional reflector disposed over the phosphor layer, a medium layer disposed between the omni-directional reflector and the phosphor layer, wherein the omni-directional reflector allows the UV light from the UV LED chip to be multiply and omni-directionally reflected in between the phosphor layer and the medium layer, a transparent substrate disposed over the omni-directional reflector, and a metal-containing polarization layer disposed over the transparent substrate for polarizing the white light emitted from the phosphor layer to thereby emit a polarized white light | 11-04-2010 |
20100277888 | TASK LIGHT - A task lighting apparatus produces glare-free illumination of a work area. The apparatus includes a shade defining a cavity having an opening, a light source positioned to emit light into the cavity, and a glare control member disposed within the opening wherein the diffuser comprises a louvered array of dual brightness enhancement film. | 11-04-2010 |
20110051392 | LIGHT MANAGEMENT ASSEMBLY - The present application describes light management assemblies comprising a light transmissive plate, optical film, and a cover film which covers at least one major surface of the light transmissive plate. Optical film(s) may be adjacent or attached to the outside of the cover film or contained within the cover film between the light transmissive plate and the cover film. The present application also describes a method of making a liquid crystal display device using the light management assemblies described in this application. | 03-03-2011 |
20110058350 | LIGHT SOURCE MODULE - A light source module is disclosed. The light source module includes an emitter having a light emitting surface, a solid integrating optic aligned to accept light emitted from the emitter at an entrance face and deliver light to an exit face, and a lens aligned to receive light from the exit face. The lens has a substantially hemispherical portion having a radius of curvature and the exit face of the solid integrating optic has an exit face diagonal. The ratio of the radius of curvature to the exit face diagonal is greater than 0.7. The solid integrating optic and the lens each have an index of refraction, and the ratio of the lens index of refraction to the solid integrating optic index of refraction is greater than unity. | 03-10-2011 |
20110103036 | OPTICAL FILM - An optical film that includes a reflective polarizer and a stretched polymer film is disclosed. The stretched polymer film is laminated to the reflective polarizer, and the stretched polymer film exhibits a refractive index symmetry point at an angle of incidence in air of at least about 60 degrees in a plane of incidence parallel to a direction of greatest stretch. | 05-05-2011 |
20110134623 | LIGHTGUIDE HAVING A VISCOELASTIC LAYER FOR MANAGING LIGHT - Disclosed herein is an optical device including a light source and an optical article. The optical article includes a lightguide and a viscoelastic layer disposed on the lightguide. Light emitted by the light source enters the lightguide and is transported within the lightguide by total internal reflection. The viscoelastic layer manages light, for example, at least about 50%, or less than about 10%, of light that enters the lightguide may be extracted. The optical device can be used in a variety of constructions for signs, markings, display devices, keypad assemblies, tail light assemblies and illumination devices. | 06-09-2011 |
20110141715 | SURFACE LIGHT SOURCE DEVICE - Surface light source device includes: point light sources ( | 06-16-2011 |
20110149547 | OPTICAL ELEMENT AND COLOR COMBINER - Optical elements, color combiners using the optical elements, and image projectors using the color combiners are described. The optical element includes color selective dichroic filters and a reflective polarizer. A line passing perpendicularly through each of the color selective dichroic filters intercepts the reflective polarizer at approximately 45 degrees. The optical element can also include retarders positioned adjacent to the color selective dichroic filters. The color combiner includes partially reflective light sources coupled to the optical element. Unpolarized light having different colors can enter the color combiner through the dichroic filters, and combined light of a desired polarization state can exit the color combiner. Light having an undesired polarization state can be recycled to the desired polarization state within the color combiner, so that light utilization efficiency is increased. The image projector includes a color combiner coupled to an imaging source and projection elements, so that a first portion of the combined light is directed to the projection element, and a second portion of the combined light is recycled back into the color combiner. | 06-23-2011 |
20110182050 | Polarized Linear Light Source - An energy efficient polarized linear light source system is disclosed. In one embodiment, the system comprises a reflector and a reflecting polarizer. A transparent linear light source and a quarter wave retarder are placed in between the reflector and reflecting polarizer. The polarized linear light source may be used as an illuminator for an efficient polarized surface light source. | 07-28-2011 |
20110182051 | LIGHT SOURCE DEVICE AND ILLUMINATION DEVICE USING THE SAME - A light source device is provided with an LED having strong directivity, a reflective hood which has an interior reflecting surface for reflecting the illumination light from the light source, and a pair of first and second polarizing reflective plates for polarizing the illumination light from the LED in a specific direction. The first and second polarizing reflective plates have a specific length and width, and a back surface formed from a high reflectance plate. The light source is secured to the reflective hood. A specific interval is provided between the first and second polarizing reflective plates and the reflecting surface of the reflective hood, and a specific interval is provided between the two plates with the optical axis passing through the 0° direction angle of the light source in between. That is to say, the respective designated angles α of inclination are formed with respect to the optical axis so that the interval in the vicinity of the light source is large, and the interval further away is small. | 07-28-2011 |
20110222262 | METHOD OF PRODUCING A LAMINATED OPTICAL FILM - A main object of the present invention is to provide a method of producing a laminated optical film that allows three-dimensional images to be reproduced, which is preferably used, particularly, in a large image display apparatus. | 09-15-2011 |
20110222263 | HIGH TRANSMISSION FLUX LEVELING MULTILAYER OPTICAL FILM AND RELATED CONSTRUCTIONS - A reflective film includes microlayers arranged into optical repeat units, each optical repeat unit including a negatively birefringent microlayer. The microlayers are tailored to provide the film with on-axis polarizing properties, such that normally incident light polarized along a block axis is substantially reflected and normally incident light polarized along a pass axis is substantially transmitted. On-axis transmission for the block axis may be <20%, and on-axis transmission for the pass axis may be >70%. The microlayers also provide the film with angularly dependent polarizing properties: p-polarized light incident in a block plane of incidence is substantially reflected at near-normal angles but substantially transmitted at an oblique angle. The film transmits unpolarized light incident in this plane more strongly at the oblique angle than at normal. The films can be used in direct-lit backlights, luminaires, and similar lighting systems for flux leveling to promote spatial brightness uniformity. | 09-15-2011 |
20110228510 | OPTICAL FILTER AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME - An optical filter having improved visibility under external light and an organic light-emitting device including the same. | 09-22-2011 |
20110228511 | BREWSTER ANGLE FILM FOR LIGHT MANAGEMENT IN LUMINAIRES AND OTHER LIGHTING SYSTEMS - Multilayer optical films are disclosed that exhibit high reflectivity at normal incidence for all polarizations but preferentially transmit high angle rays in one or two orthogonal planes of incidence. Both symmetrical and asymmetrical constructions are disclosed. The films can be used in direct-lit backlights and in lighting systems other than direct-lit backlights, such as edge-lit backlights, and non-backlight lighting systems such as systems intended for general illumination without the need for any graphic component, such as luminaires and task lights. | 09-22-2011 |
20110267799 | LED Array Systems - A light emitting diode (LED) array comprises an array of LEDs mounted to a substrate. The LEDs emit light in a direction generally perpendicular to the substrate. An optical sheet is disposed over the LEDs. At least a portion of light entering one side of the optical sheet from the LEDs is guided within the optical sheet in a direction generally parallel to the substrate. Light extraction features direct light from the optical sheet in a generally forward direction. Such an array is useful for several applications, including space lighting, direct information display and backlighting of liquid crystal displays. The light spreading effect of the optical sheet reduces the amount of black space between LED pixels. | 11-03-2011 |
20110273862 | ILLUMINATION SYSTEM AND METHOD FOR RECYCLING LIGHT TO INCREASE THE BRIGHTNESS OF THE LIGHT SOURCE - An illumination system for increasing the brightness of a light source comprises an optical recycling device coupled to the light source, preferably light emitting diode (LED), for spatially and/or angularly recycling light. The optical recycling device spatially recycles a portion of rays of light emitted by the LED back to the light source using a reflector or mirror and/or angularly recycles high angle rays of light and transmits small angle rays of light, thereby increasing the brightness of the light source's output. | 11-10-2011 |
20110279997 | Reflective Film Combinations with Output Confinement in Both Polar and Azimuthal Directions and Related Constructions - A reflective film includes microlayers arranged into optical repeat units to reflect light in an extended wavelength band, with thinner and thicker ones of the optical repeat units being disposed generally towards a thin side and thick side, respectively, of the film. The microlayers are tailored to provide the film with a reflectivity, for p-polarized light incident in a first plane, that decreases by at least half from an initial value at normal incidence to a value R | 11-17-2011 |
20110292636 | LIGHT EMITTING DEVICE AND ILLUMINATION DEVICE - A light emitting device capable of improving light extraction efficiency is provided. The light emitting device includes: a laser generator which outputs linearly polarized laser light; a fluorescent body which is irradiated with the laser light from the laser generator; and a reflective polarization filter which is arranged in a region through which the laser light outputted from the laser generator passes. The reflective polarization filter is formed to transmit linearly polarized light of the laser light and reflect linearly polarized light having a polarization plane which is perpendicular to a polarization plane of the linearly polarized light of the laser light. | 12-01-2011 |
20110310586 | Optical system capable of enhancing specific polarization state of light and light source system including same - An optical system capable of enhancing a specific polarization state of light beam comprises a polarization beam splitter and a polarization state converter. The polarization beam splitter separates an input light beam into a first light beam of first polarization state and a second light beam of second polarization state. The first polarization state is different from the second polarization state. The second light beam is input into the polarization state converter and converted to a third light beam having significantly much more components of first polarization state. The polarization state converter has a configuration providing total reflection or high reflection function. The configuration includes at least one anisotropic optical thin film that is disposed between an incident medium of high refractive index and a medium of low refractive index. | 12-22-2011 |
20110317395 | OPTICAL SYSTEM FOR LIQUID CRYSTAL ON SILICON PROJECTOR - An optical system for a liquid crystal on silicon (LCoS) projector includes a light emitting diode (LED) array, a light guide plate (LGP), and a polarization cube beam splitter (PBS). The LED array emits a beam of light. The LGP and the PBS are arranged along the optical path of the beam of light. The LGP includes an incident surface directly facing the LED array, an emitting surface, and an array of microstructures formed on the emitting surface. The PBS includes a side surface directly facing the emitting surface and an array of collimator lenses formed on the side surface. The microstructures are positioned at a focal surface of the collimator lenses. | 12-29-2011 |
20120002395 | BEAM COMBINING LIGHT SOURCE - The invention relates to sources of optical radiation wherein polarized radiation from first and second rows of light emitters is first collimated and combined into two combined beam using first and second rows of collimating and beam re-directing elements, respectively, and then polarization multiplexed to form a polarization-multiplexed output beam. In order to reduce the footprint, emitters of the first and second emitter rows are disposed in an interleaved, staggered arrangement, and the second row of collimating and beam re-directing elements is disposed in a space between the first emitter row and the first row of collimating and beam re-directing elements. | 01-05-2012 |
20120057325 | ILLUMINATION DEVICE WITH A PHOSPHOR - The invention relates to an illumination device and a method adapted for illuminating applications. The illumination device ( | 03-08-2012 |
20120075830 | WIRE GRID POLARIZER AND BACKLIGHT UNIT USING THE SAME - Provided is a wire grid polarizer and a backlight unit using the wire grid polarizer. The wire grid polarizer comprises a first grid layer thrilled on a substrate and provided with at least one of a first grid pattern, and a second grid layer formed on the first grid pattern and provided with at least one of a second grid pattern made of metal material wherein the first grid layer is made of high molecular substance having a lower refraction index than that of the substrate. | 03-29-2012 |
20120106121 | DISPLAY APPARATUS - A display device is disclosed. The display device includes a display panel including a front substrate and a back substrate, a backlight unit positioned in the rear of the display panel, a plurality of brackets attached to a non-display area of a back surface of the display panel using an adhesive, and a buffer positioned on the side of the display panel. | 05-03-2012 |
20120106122 | DISPLAY APPARATUS - A display device includes a display panel including a front substrate and a back substrate, a plurality of brackets attached to a non-display area of a back surface of the back substrate using an adhesive, and a backlight unit positioned in the rear of the display panel. The backlight unit includes a frame including at least one protrusion, a light guide plate disposed between the frame and the display panel, the light guide plate including at least one groove or hole corresponding to the at least one protrusion of the frame, an optical layer disposed between the light guide plate and the display panel, and a light source disposed on the side of the light guide plate. | 05-03-2012 |
20120140434 | Display Panel and a Light Source Used Therein - A display panel and a light source device used therein are provided. The display panel includes a light-guide thin-film circuit substrate, a light source and a polarizing layer. The light-guide thin-film circuit substrate has a light entrance end and a light exit top surface, and the light source is disposed corresponding to the light entrance end. The polarizing layer is disposed on the light-guide thin-film circuit substrate and parallels the light exit top surface of the light-guide thin-film circuit substrate. The light produced by the light source enters the circuit substrate through the light entrance end, guided and transmitted through the circuit substrate, and then leaves the circuit substrate through the light exit top surface and enters the polarizing layer. The light after passing through the polarizing layer is turned into a polarized light having flat light source effect as a backlight source for the system. | 06-07-2012 |
20120162960 | LIGHT-UNIFORMING ANTI-GLARING STRUCTURE AND LIGHT-EMITTING DEVICE - A light-uniforming anti-glaring structure includes a light-polarizing reflection unit and a light-polarizing position adjusting unit. The light-polarizing reflection unit includes a multilayer reflector composed of a plurality of inter-stacked polymer films. One of the inter-stacked polymer films is a birefringence material layer that conforms to the condition of NX≠NY≠NZ, wherein NX is the index of refraction of light at X direction, NY is the index of refraction of light at Y direction, and NZ is the index of refraction of light at Z direction. The light-polarizing position adjusting unit is coupled with the light-polarizing reflection unit for adjusting the position of the light-polarizing reflection unit. | 06-28-2012 |
20120162961 | VEHICLE HAVING AT LEAST ONE INSTRUMENT IN A DRIVER INFORMATION SYSTEM AND A METHOD FOR AVOIDING REFLECTIONS OF AN INSTRUMENT IN A WINDSHIELD OF A VEHICLE - A driver information system is provided for a vehicle having at least one instrument, which has a front plate and an illumination device. At least one light-transmitting area is arranged in the front plate and the illumination device is arranged behind the front plate, the illumination device being able to emit light through the at least one light-transmitting area of the front plate. A polarization filter is arranged between the front plate and the illumination device. The polarization filter is oriented opposite to a polarization direction of a windshield of the vehicle. | 06-28-2012 |
20120170245 | FOLDER TYPE POLARIZING FILM FOR ORGANIC LIGHT EMITTING DIODE - A folder type polarizing film for OLEDs and a display device, the film including a polarizer; a transparent support attached to an upper surface of the polarizer, the transparent support being a cycloolefin polymer film; and a compensation film attached to a lower surface of the polarizer, the compensation film being a cycloolefin polymer having a phase difference of λ/4 relative to a polarization axis of the polarizer. | 07-05-2012 |
20120176766 | OPTICAL ELEMENT, LIGHT SOURCE DEVICE, AND PROJECTION DISPLAY DEVICE - Disclosed is an optical element that includes: a light guide body into which light from a light-emitting element enters; carrier generation layer ( | 07-12-2012 |
20120212928 | FLAT DISPLAY DEVICE - A flat display device includes a flat display module that produces an image. The device also includes a reflective sheet at a rear side of the flat display module, a support member on the reflective sheet, and an optical adhesive film adhered to the front surface of the flat display module, to sides of the flat display module, and to a portion of a back of the support member that is opposite the reflective sheet. The image is produced on the front surface of the flat display module and is emitted through the optical adhesive film. | 08-23-2012 |
20120212929 | Light Emitting Diode Array Illumination System with Recycling - An LED illumination system includes a plurality of LED modules and a plurality of corresponding collimating lenses to provide increased brightness. Each LED module has at least one LED chip having a light emitting area that emits light and a recycling reflector. The reflector is positioned to reflect the light from the light emitting area back to the LED chip and has a transmissive aperture through which the emitted light exits. The collimating lenses are arranged to receive and collimate the light exiting from the LED modules. | 08-23-2012 |
20120230006 | LIGHTING DEVICE - Example embodiments relate to a lighting device comprising a shell, a plurality of white LEDs and at least one red LED. The white LEDs and red LED(s) are all positioned at the bottom of the shell. The white LEDs, which amount is in a range of 2M to 8M, and red LED, which amount is in a range of 1M to 4M, M represents a constant, are positioned to form an LED array. The light emitted by the white LEDs and red LED(s) forms a combined light to be emitted from the lighting device. The combined light shows the nature which falls within a closed region of CIE 1931 color space, where is defined by a plurality of line segments which intersect each other at points (0.36, 0.55), (0.45, 0.55), (0.55, 0.45), (0.4, 0.3), (0.3, 0.3), (0.32, 0.398), (0.36, 0.378), (0.421, 0.419), (0.431, 0.451) and (0.36, 0.482). | 09-13-2012 |
20120230007 | SEMICONDUCTOR LIGHT SOURCE APPARATUS AND LIGHTING UNIT - A semiconductor light source apparatus can emit various color lights having a substantially uniform color tone and high brightness. The semiconductor light source apparatus can include a radiating substrate, at least one phosphor layer disposed on the radiating substrate and a semiconductor light source emitting blue light. The at least one phosphor layer can be composed of at least one of a glass phosphor and a phosphor ceramic. The light source can be located adjacent the phosphor layer so that the blue light having high brightness can be efficiently reflected on the radiating substrate via the phosphor layer while preventing the blue light from a mirror reflection on the phosphor layer. Thus, the disclosed subject matter can provide a semiconductor light source apparatus that can emit various uniform color lights having high brightness and a lighting unit using the light source apparatus, which can be used for general lighting, vehicle lighting etc. | 09-13-2012 |
20120230008 | PLANAR ILLUMINATION DEVICE AND DISPLAY DEVICE PROVIDED WITH THE SAME - An object is to implement a narrowed picture-frame while suppressing the occurrence of light leakage and a reduction in luminance in an edge-light type backlight device. A backlight device is composed of LEDs ( | 09-13-2012 |
20120236530 | LIGHTING ASSEMBLY WITH ADJUSTABLE LIGHT OUTPUT - A lighting assembly includes a light guide to propagate light by total internal reflection and having a light output region on a major surface thereof. The lighting assembly also includes an optical adjuster having a major surface juxtaposed with and conforming to the light guide's major surface. The optical adjuster has a first region and a second region, the first region having a light modifying characteristic. The optical adjuster and light output region are variably positionable relative to one another to selectively apportion light emitted from the light output region between the first region and the second region. In this way, light apportioned to the first region is modified by the light modifying characteristic so that light output from the lighting assembly is modified based on relative positioning of the optical adjuster and the light guide. | 09-20-2012 |
20120243202 | VEHICLE LAMP - A vehicle lamp is provided that includes a base plate 3, a light emitting element 5 mounted with a light output surface faced upward, a polarizing lens 7 formed to have a larger width in an “x” direction than that in a “y” direction. The vehicle lamp that can form a light illumination region that is in a rectangular shape and displaced to one side with respect to an axis vertical to a light output surface of a light emitting element, and also has a clear outline having no blur of the light. | 09-27-2012 |
20120243203 | VEHICLE LIGHT - A vehicle light which uses a laser light source device and has a shorter dimension in an optical axis direction than conventional vehicle lights. The vehicle light comprises a laser light source device and an optical system configured so as to form a predetermined light distribution pattern. The laser light source device includes: a cylindrical light-guiding part having a diffusing surface set in a region other than a light-introducing surface; a phosphor arranged in a light-emitting region on an outer circumferential surface of the light-guiding part; a reflective film arranged in a region of the light-guiding part other than the light-introducing surface and the light-emitting region; and a laser light source that outputs a laser beam which is introduced into the light-guiding part from the light-introducing surface and enters the phosphor. The light-guiding part and the laser light source are arranged adjacent to each other. | 09-27-2012 |
20120243204 | Efficient polarized directional backlight - By introducing a stack of alternating high and low index dichroic material layers on the exit surface of a waveguide for a wedge type directional backlight, natural reflectivity differences between polarized components can be increased, effectively reflecting the vast proportion of S-polarized light rays, while at the same time transmitting the P-polarized light rays, of light impacting the exit surface of the waveguide at an angle sufficient to exit the waveguide. This recovers polarization in wedge type backlight systems, increasing illumination exiting the waveguide. Also, on the back reflecting surface of the waveguide, a birefringent material can be added to efficiently transform S-polarized reflected light from the dichroic stack, into returning P-polarized light. Because returning rays that are now P-polarized by the birefringent material have already achieved the critical angle for exiting the waveguide, the rays transformed to P-polarization can now also exit the waveguide, increasing waveguide illumination. | 09-27-2012 |
20120262900 | OPTICAL MODULE - An optical module includes a casing, a first light output unit that is fixed to the casing and generates a first light signal, a second light output unit that is fixed to the casing while an angle thereof is set to be different from that of the first light output unit and generates a second light signal having a wavelength different from that of the first light signal, a first branching filter that refracts at least any one of the first light signal and the second light signal so that optical axes of the first light signal and the second light signal are partially overlapped, and one isolator that is located at a portion where optical axes of the first light signal and the second light signal are overlapped and performs isolation on the first light signal and the second light signal. | 10-18-2012 |
20120268914 | INPUT DEVICE - An input device, disposed in front of a display device, includes a polarizing film, a λ/4 retardation film, and a touch sensor unit including first and second light transmissive films arranged farther from the outside of the input device than the polarizing film. Each of the first and second light transmissive films is formed of a film controlled such that it is approximately optically isotropic. The film exhibits birefringence caused by drawing in the machine direction upon manufacture such that the slow axis extends along the machine direction. The machine direction of the film is allowed to be orthogonal to that of the other film, thus allowing the slow axes to be orthogonal to each other in order to cancel out the slow axes such that the input device is generally isotropic. | 10-25-2012 |
20120275133 | LASER POINTER - A laser pointer suitable for a touch display panel is provided. The laser pointer includes a main body, a laser diode and a wave plate. The main body has a containing space. The laser diode is disposed in the containing space and has a light emitting end. The wave plate is disposed on the light emitting end, wherein the laser diode is suitable for emitting a laser beam having linear polarization from the light emitting end, and the wave plate is suitable for transforming the laser beam having linear polarization into a laser beam having circular polarization, such that the laser beam is suitable for being an input signal for the touch display panel. | 11-01-2012 |
20120300428 | Backlight Module - A backlight module is disclosed. The backlight module includes a light guide plate, a backlight source, an optical plate, and an optical coating layer. The light guide plate has a light emitting surface and a light incident end. The light incident end is located at an adjacent side of the light emitting surface. The backlight source is disposed corresponding to the light incident end and generates lights emitting to the light incident end. The optical plate is disposed above the light emitting surface. The optical plate includes an extension portion extending disposed above the backlight source. The optical coating layer is formed on a surface of the extension portion. | 11-29-2012 |
20120320561 | OPTICAL IRRADIATION APPARATUS - An optical irradiation apparatus includes: a light-emitting device configured to emit a plurality of light beams whose optical axes extend in a substantially identical direction; a collimator part configured to convert the light beams into parallel light beams; and a light condensing part configured to collect the parallel light beams. The light-emitting device includes a super luminescent diode array in which a plurality of waveguides are provided on a substrate. Each of the waveguides has a light-emitting facet including a light emission point from which an associated one of the light beams is emitted. The light emission points are located in a plane. The plane including the light emission points is orthogonal to a direction of an optical axis of the collimator part. | 12-20-2012 |
20130003343 | SYSTEM AND APPARATUSES PROVIDING LASER ILLUMINATION WITH REDUCED OR ZERO SPECKLE - A system is provided having a multiplexed laser source which combines the outputs of multiple lasers into multiplexed illumination which is then externally modulated to provide output illumination having reduced or zero speckle. Each of the laser sources are turned ON and OFF (gated) in a timed sequence to provide multiplexed illumination having a time-averaged speckle contrast that is lesser than the speckle contrast of the output of any one of the lasers. The output of one or more lasers may also be wavelength multiplexed, where the lasers operate at different wavelengths, and/or polarization multiplexed. An external modulator receives and modulates the multiplexed output in phase and/or modal power distribution to further reduce the speckle in the output of the system. The multiplexed laser source and external modulator can be used as separate apparatuses for reducing speckle in laser illumination. | 01-03-2013 |
20130003344 | LIGHT-EMITTING DEVICE PACKAGE - A light-emitting diode device is disclosed. The light-emitting diode device includes a carrier including a platform; a transparent substrate formed on the platform including a first surface; a multi-LED structure including a first light-emitting structure formed on the first surface, the first light-emitting structure including a first first-type semiconductor layer, a first second-type semiconductor layer, and a first active layer formed between the first first-type semiconductor layer and the first second-type semiconductor layer; a second light-emitting structure formed on the first surface, the second light-emitting structure including a second first-type semiconductor layer, a second second-type semiconductor layer, and a second active layer formed between the second first-type semiconductor layer and the second second-type semiconductor layer; and a connecting layer formed between the first light-emitting structure and the second light-emitting structure; wherein an angle between the first surface of the transparent substrate and the platform is not equal to zero. | 01-03-2013 |
20130010451 | LASER DIODE MODULE - A laser diode module includes a laser diode, a Faraday rotator, and a polarizer. The laser diode outputs an output laser beam which is linearly polarized light and is placed in TE mode. The Faraday rotator is disposed on the optical axis of the output laser beam and rotates the polarization direction of incident light by 45°. The polarizer is disposed on the side adjacent to an optical fiber, of the Faraday rotator, and the direction of the transmission axis thereof agrees with the polarization direction of the output laser beam having passed through the Faraday rotator. No selection element configured to selectively transmit only a laser beam traveling in a particular polarization direction is disposed on the side adjacent to the laser diode, of the Faraday rotator. | 01-10-2013 |
20130021773 | WAVELENGTH PLATE, LIGHT EMITTING ELEMENT, AND IMAGE DISPLAY DEVICE USING THE LIGHT EMITTING ELEMENT - Provided is a wavelength plate that can increase incident angle tolerance. The wavelength plate in which a high refractive index layer and a low refractive index layer are alternately stacked, each layer having a concave-convex structure the period of which is equal to or shorter that a wavelength in one direction within a plane, includes, as periods in the thickness direction of the high refractive index layer and the low refractive index layer: a first period defined so that a used wavelength can belong to the first band of a photonic band structure; and a second period defined so that the used wavelength can belong to a wavelength side longer than the center wavelength of the second band of the photonic band structure. | 01-24-2013 |
20130021774 | LIGHT EMITTING ELEMENT AND IMAGE DISPLAY APPARATUS USING THE LIGHT EMITTING ELEMENT - The invention realizes a light emitting element having high efficiency, capable of increasing the luminance and capable of emitting linearly polarized light in which the light distribution characteristic has good symmetry. The light emitting element of the present invention has an active layer that produces light, and includes a polarizer layer having a first region that allows a polarization component in a first direction in the light produced in the active layer to pass therethrough and reflects other polarization components, and a second region that allows a polarization component in a second direction perpendicular to the first direction to pass therethrough and reflects other polarization components, a wavelength plate layer having a third region and a fifth region that the light exiting from the first region enters, and a fourth region and a sixth region that the light exiting from the second region enters, the wavelength plate layer causing the lights that have entered the third to sixth regions to exit as lights in the same polarized state, and a reflective layer that reflects the lights reflected by the first region and the second region. The directions of optical axes of the third region and the fifth region or the fourth region and the sixth region are perpendicular to each other. | 01-24-2013 |
20130039029 | Light Engine Having Distributed Remote Phosphors - There is herein described a light engine that emits a light. The light engine includes a light source, a light guide, a plurality of extraction optical elements, and a plurality of phosphors. The light guide receives the light. The extraction optical elements are on the surface of the light guide. The extraction optical elements extract at least a portion of the light out of the light guide. The phosphors are disposed on top of at least some of the extraction optical elements. | 02-14-2013 |
20130039030 | LIGHT IRRADIATION APPARATUS - By narrowing the length of an irradiation area, a scan distance is shortened and a process time of a light irradiation process is shortened. A light irradiation apparatus irradiating light to a substrate by using a long arc lamp includes: a reflection mirror having a cross-sectional shape which is an oval or parabolic shape and having a shape as if light irradiated is condensed on the surface of the substrate; and a slit limiting an irradiation area of the irradiated light, wherein on a section perpendicular to a long axis of the long arc lamp, a main irradiation area length X and a gap H between the long arc lamp and the substrate satisfy a relationship of X<0.087H. | 02-14-2013 |
20130039031 | OPTICAL MODULE AND DISPLAY DEVICE - An optical module ( | 02-14-2013 |
20130077283 | APPARATUSES AND METHODS FOR HIGH-EFFICIENCY POLARIZATION CONVERSION IN A PROJECTION LIGHT ENGINE - Apparatuses and methods are disclosed, including light source modules for supplying primary and secondary polarized light using a polarization conversion system that supplies a first portion of a light beam with a first polarization as a primary light beam and supplies a polarization-converted second portion of the light beam as a secondary light beam in generally the same direction as the primary light beam to illuminate a microdisplay for projection of an image. | 03-28-2013 |
20130077284 | DISPLAY APPARATUS INCLUDING RECESSED COLOR FILTERS - A display apparatus includes a display panel, a light source, a polarizer, and a transparent reflective element. The display panel includes a color filter including a first portion and a second portion in a pixel area. The first portion has a first light transmittance. The second portion has a second light transmittance higher than the first light transmittance. The light source provides a light to the display panel. The polarizer is disposed between the light source and the display. The polarizer polarizes the light. The transparent reflective element is spaced apart from the display panel. The transparent reflective element reflects an image provided from the display panel. | 03-28-2013 |
20130094173 | Display Device And An Electronic Apparatus Using The Same - In a conventional display device comprising a sub-display, the display device is increased in thickness and in the number of components as the number of displays is increased. In the present invention, a dual emission display device is used so that either surface of a display is used as a main display or a sub-display. Accordingly, the display device can be reduced in thickness and in the number of components. Further, mechanical reliability can be enhanced when the invention is applied to a tablet PC, a video camera and the like. | 04-18-2013 |
20130094174 | DISPLAY DEVICE AND PRODUCTION METHOD THEREOF - A display device ( | 04-18-2013 |
20130100635 | HIGH BRIGHTNESS ILLUMINATION DEVICES USING WAVELENGTH CONVERSION MATERIALS - High lumen output and brightness illumination modules using an excitation light source and wavelength conversion part with multi-channel heat dissipation are disclosed. The exciting light source is a light emitting diode or a laser diode emitting in the UV and/or blue region. The luminescent material in the wavelength conversion part absorbs the excitation light and emit longer wavelength light. The enhancement approaches for brightness and polarization is disclosed. | 04-25-2013 |
20130100636 | POLARIZER AND LIGHT-EMITTING DEVICE - Provided is a polarizer that includes wire grid structure ( | 04-25-2013 |
20130120961 | Beam Splitter Module For Illumination Systems - Beam splitter and illumination systems using beam splitters are described. Methods of providing a beam splitter with extended lifetime are also described. | 05-16-2013 |
20130120962 | Polarization Display Device - A polarization display device | 05-16-2013 |
20130148326 | METHOD AND APPARATUS FOR OBSERVING SUBSURFACES OF A TARGET MATERIAL - A system that incorporates teachings of the present disclosure may include, for example, a method for generating from a light source a light signal operating in a region of the light spectrum, modifying the light signal with a first polarization device having a first polarization state to generate a polarized light signal directed to a target, modifying a substantially specular reflection and a substantially diffused reflection of the polarized light signal generated from the target with a second polarization device having a second polarization state to generate mixed polarized light signals having a mixed polarization state, and adjusting the mixed polarization state to modify an observable range of subsurfaces of the target. Other embodiments are disclosed. | 06-13-2013 |
20130155645 | System and method for reducing glare - A system and method for reducing glare by passing a beam of light emanating from a polarized light source through a polarizing filter having a polarization characteristic different from that of the light beam emanating from the polarized light source. | 06-20-2013 |
20130163222 | ILLUMINATION MODULE - An illumination module comprising a light guide member, a first light source and a first polarizing element is provided. The light guide member is a polarization-maintaining light conductor, and comprises a first end, a second end and a main body. The main body is between the first and the second end, and comprises a light emitting area and a reflective area having a plurality of microstructures. The first light source is near the first end of the light guide member. The first polarizing element is between the first end and the first light source. The light of the first light source entering the first polarizing element is separated into a first polarized light and a second polarized light different from the first polarized light. The second polarized light passing through the first polarizing element and striking the microstructures is reflected as a third polarized light emitted to the outside. | 06-27-2013 |
20130170173 | DISPLAY DEVICE AND OPTICAL MULTI-LAYER STRUCTURE FOR DISPLAY DEVICE - An optical multi-layer structure for a flat panel display device is provided. The optical multi-layer structure includes a first optical layer, a second optical layer, a surface strengthening layer, and an adhesive layer. The first optical layer converts a light into a first polarized light. The second optical layer is disposed on the first optical layer and converts the first polarized light into a second polarized light. The surface strengthening layer is disposed on the second optical layer. The adhesive layer is disposed between the second optical layer and the surface strengthening layer, and is in direct contact with the second optical layer and the surface strengthening layer. A flat panel display device having the optical multi-layer structure is also disclosed. | 07-04-2013 |
20130176704 | Polarization fields for dynamic light field display - In exemplary implementations of this invention, a flat screen device displays a 3D scene. The 3D display may be viewed by a person who is not wearing any special glasses. The flat screen device displays dynamically changing 3D imagery, with a refresh rate so fast that the device may be used for 3D movies or for interactive, 3D display. The flat screen device comprises a stack of LCD layers with two crossed polarization filters, one filter at each end of the stack. One or more processors control the voltage at each pixel of each LCD layer, in order to control the polarization state rotation induced in light at that pixel. The processor employs an algorithm that models each LCD layer as a spatially-controllable polarization rotator, rather than a conventional spatial light modulator that directly attenuates light. Color display is achieved using field sequential color illumination with monochromatic LCDs. | 07-11-2013 |
20130176705 | LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY DEVICE - A light source device includes a light source unit concluding LD element ( | 07-11-2013 |
20130182405 | NANOWIRE ENHANCED TRANSPARENT CONDUCTOR AND POLARIZER - An electrically conducting wire pattern constructed from nanometer or micrometer dimension wires. The electrically conducting wire pattern can be designed with various geometries, including rectangular, triangular and circular arrays, and combinations of such patterns. The electrically conducting wire pattern can provide improved optically transmissive electrical conductors and can provide improved polarizers for use with various electrical and optical devices and components. | 07-18-2013 |
20130182406 | POLARIZED LIGHT SOURCE MODULE - A polarized light source module, having a first region and a second region adjacent to at least one edge of the first region, includes a lamp shell, at least one light source, a polarization generator, and a micro-structure layer. The light source is disposed in the second region. The polarization generator is disposed in the second region, and the polarization generator is used to polarize light generated from the light source. The micro-structure layer is disposed in the first region, and the micro-structure layer is used to reflect the light polarized by the polarization generator toward a direction away from the lamp shell. | 07-18-2013 |
20130235552 | ANISOTROPIC DYE LAYER, COORDINATION POLYMER FOR ANISOTROPIC DYE LAYER AND POLARIZATION ELEMENT, AND POLARIZATION CONTROL FILM, POLARIZATION CONTROL ELEMENT, MULTI-LAYER POLARIZATION CONTROL ELEMENT, ELLIPSE POLARIZATION PLATE, LIGHT EMISSION ELEMENT, AND METHOD FOR CONTROLLING POLARIZATION PROPERTIES EMPLOYING THE ANISOTROPIC DYE LAYER - An anisotropic dye layer containing a coordination polymer is disclosed. The a polarization control film containing an oriented dichroic dye in which light absorption spectrum of a molecule is reversibly changed by charge passing are disclosed. | 09-12-2013 |
20130242527 | POLARIZATION-MODULATING ELEMENT, ILLUMINATION OPTICAL APPARATUS, EXPOSURE APPARATUS, AND EXPOSURE METHOD - There is disclosed a polarization-modulating element for modulating a polarization state of incident light into a predetermined polarization state, the polarization-modulating element being made of an optical material with optical activity and having a circumferentially varying thickness profile. | 09-19-2013 |
20130242528 | Polarization Illumination System - A polarization illumination system | 09-19-2013 |
20130250543 | LIGHTING DEVICE - The instant disclosure relates to a lighting device, which includes a lighting module, a reflector, a light-guiding member, a main body, and a cover. The lighting module includes a base plate and a plurality of light-emitting units mounted on the base plate. The reflector has at least one reflective surface proximate to the base plate. The cross-section of the reflector gradually decreases in a direction toward the base. The light-guiding member is disposed between the lighting module and the reflector. The light-guiding member has a polarizing portion for reflecting light emitted from the light-emitting units. The base plate is disposed on one end of the main body. The cover is selectively disposed on the main body. Thus, an omni-directional lighting device is presented. | 09-26-2013 |
20130258634 | OPTICAL BEAM SHAPING AND POLARIZATION SELECTION ON LED WITH WAVELENGTH CONVERSION - Techniques, devices and materials for light source devices that convert excitation light into different light via wavelength conversion materials. One example of a light source includes an excitation light source; a wavelength conversion material that absorbs light from the excitation light source and emits a longer wavelength light; and a layer of a transparent material that has plural optical structures in contact to or in close proximity to the wavelength conversion material to receive the emitted light from the wavelength conversion material and to modify the received light to produce output light with a desired spatial pattern associated with the plural optical structures. | 10-03-2013 |
20130265739 | Display Device with Narrowed Frame Border and Manufacturing Method Thereof - A display device with narrowed frame border and a manufacturing method thereof are provided. The display device includes a backlight module, an optical film, and a display panel. The backlight module includes an outer frame and a light source module. The outer frame has a bottom plate and a sidewall connected to the bottom plate, and the light source module is disposed in the outer frame near the sidewall. The optical film is disposed on the backlight module and covers the light source module. One side of the optical film protrudes outside from the sidewall and is bent to attach a portion of the sidewall. The display panel is disposed on the optical film opposite to the backlight module. | 10-10-2013 |
20130271945 | POLARIZATION-MODULATING ELEMENT, ILLUMINATION OPTICAL APPARATUS, EXPOSURE APPARATUS, AND EXPOSURE METHOD - There is disclosed a polarization-modulating element for modulating a polarization state of incident light into a predetermined polarization state, the polarization-modulating element being made of an optical material with optical activity and having a circumferentially varying thickness profile. | 10-17-2013 |
20130271946 | SYSTEMS AND METHODS FOR CONTROLLING OBJECTS - Systems and methods for controlling an object are disclosed. In one embodiment, a system and method pertain to irradiating the object with polarized electromagnetic radiation for a duration of time sufficient to effect a physical change with the object. | 10-17-2013 |
20130271947 | Illumination Device - A lighting device, comprising at least one reflector, at least one luminous region containing phosphor, and at least one laser, wherein the at least one luminous region is adapted to be excited to emit light by at least one laser and at least part of the light emitted by the at least one luminous region is incident on the at least one reflector. | 10-17-2013 |
20130286629 | OPTICAL SYSTEM FOR LASER FORMING NETTED DOTS - An optical system for laser forming netted dots on a workpiece is provided. The optical system includes a laser light source for emitting a laser light beam having a polarized direction, a polarizing beamsplitter, a first reflecting unit and a second reflecting unit. The polarizing beamsplitter has a splitting axis deviating the polarized direction of the laser light beam 45 degree and is configured for dividing the laser light beam into a transmitting light beam and a reflected light beam with a same energy. The first reflecting unit is configured for reflecting the reflected light beam to a first predetermined position of a workpiece. The second reflecting unit is configured for reflecting the transmitting light beam to a second predetermined position of the workpiece. | 10-31-2013 |
20130322052 | DISPLAY DEVICE - A display device includes a substrate, a light emitting element layer that is on the substrate and that includes a light emitting element, an encapsulation thin film layer that is on the substrate and the light emitting element layer and that encapsulates the light emitting element layer, a buffer film on the encapsulation thin film layer and adhered to the encapsulation thin film layer, and an optical film on the buffer film and adhered to the buffer film | 12-05-2013 |
20130329395 | FRAME STRUCTURE AND ASSEMBLING METHOD THEREOF - A frame structure applicable to a touch device is disclosed. The frame structure includes a housing carrying a backlight unit; a first frame disposed on the backlight unit and having first and second abutting surfaces that are perpendicular to each other; a panel disposed on the first frame; a polarizer attached to the panel; a second frame disposed outside the housing and the first frame and abutting against the second abutting surface of the first frame; and a cover plate attached to the first abutting surface of the first frame and bonded to the second frame through an adhesive layer, thereby reducing the gap between the cover plate and the panel, enhancing the strength of the cover plate, causing a touch experience to be more sensitive and precise, reducing the use of adhesive and increasing the product yield. | 12-12-2013 |
20130335942 | ALIGNMENT FILM, METHOD OF MANUFACTURING THE ALIGNMENT FILM, RETARDATION FILM, METHOD OF MANUFACTURING THE RETARDATION FILM, AND DISPLAY - An alignment film capable of reducing occurrence of alignment disorder in a simple manner, a method of manufacturing the alignment film, a retardation film, a method of manufacturing the retardation film, and a display are provided. An alignment film is configured of an anchor layer and an alignment layer stacked in this order on a base. The alignment layer includes a groove region having a plurality of fine grooves on a surface thereof, and a groove region having a plurality of fine grooves on a surface thereof. The anchor layer provided between the base and the alignment layer is provided with an antistatic function in addition to a function of bringing the alignment layer into close contact with the base. | 12-19-2013 |
20130335943 | DISPLAY APPARATUS WITH SYMMETRIC DIFFUSION FILM - A display apparatus at least comprises a touchscreen, and a symmetric diffusion film (SDF) disposed above the touchscreen. The SDF comprises at least two different materials, including a first material mixed with a second material. The first material has a first refractive index and the second material has a second refractive index, and the first refractive index is different from the second refractive index. | 12-19-2013 |
20130343032 | POLARIZATION STRUCTURES, METHODS OF MANUFACTURING POLARIZATION STRUCTURE AND DISPLAY DEVICES INCLUDING POLARIZATION STRUCTURES - A polarization structure may include at least one adhesion layer, a phase retarder layer disposed over the adhesion layer, a polarization layer disposed over the phase retarder layer, and a light blocking member disposed over a peripheral portion of the polarization layer, under the peripheral portion of the polarization layer or under a peripheral portion of the phase retarder layer. When a display device includes the polarization structure having the light blocking member, the display device may display an image with improved visibility and uniformity in an entire display area although the display device has a minimized bezel or does not have any bezel. | 12-26-2013 |
20130343033 | Illumination Optical System and Projector Including Fluorophore - An illumination optical system includes: a light source emitting light of a first wavelength; a fluorophore unit; an optical element and a quarter-wave plate between the optical element and the fluorophore unit The fluorophore unit has a reflection region and a fluorophore region that gives off fluorescent light of a different wavelength than the first wavelength when irradiated by light of the first wavelength. The fluorophore unit is able to move such that the light from the light source sequentially irradiates the fluorophore region and the reflection region. The optical element separates the light of the first wavelength into a first linearly polarized light component and a second linearly polarized light component that is orthogonal to the first linearly polarized light component The optical element guides the first linearly polarized light component of the light emitted from the light source to the fluorophore unit, and emits the light of the first wavelength that was reflected by the reflection region and fluorescent light that was emitted by the fluorophore region in the same direction. | 12-26-2013 |
20140009902 | POLARIZING LIGHTING SYSTEMS - An optically active structure ( | 01-09-2014 |
20140016296 | QUANTUM ROD LIGHT-EMITTING DISPLAY DEVICE - A quantum rod light-emitting display device according to an embodiment of the invention includes a display panel including a first substrate, a second substrate opposite to the first substrate, and a quantum rod layer formed between the first substrate and the second substrate, wherein a plurality of quantum rods are arranged in the quantum rod layer in one direction; and a polarizer disposed on the display panel and including a quarter wave plate (QWP) layer and a polyvinyl alcohol (PVA) layer, wherein the PVA layer transmits only light linearly polarized in a first direction, and wherein the QWP layer is disposed under the PVA layer, and the QWP layer circularly polarizes the light linearly polarized in the first direction or linearly polarizes light reflected by the display panel in a second direction. | 01-16-2014 |
20140016297 | Light Module for a Projection Apparatus and Method for Generating the Blue Component in a Light Module for a Projection Apparatus - A light module for a projection apparatus, comprising a laser apparatus adapted to emit linearly polarized radiation in the blue wavelength range, a luminous wheel arranged in the beam path of the radiation emitted by the laser apparatus, a first beam splitter arranged in the beam path of the radiation emitted by the laser apparatus between the laser apparatus and the luminous wheel, a focusing apparatus arranged in the beam path of the radiation emitted by the laser apparatus between the first beam splitter and the luminous wheel, and at least one polarization manipulation apparatus, adapted to rotate the polarization of radiation that has passed through it twice in different directions through 90°, wherein the first beam splitter is arranged such that it is also located in the beam path of radiation in the blue wavelength range which has passed twice through the polarization manipulation apparatus in different directions. | 01-16-2014 |
20140043786 | REFLECTIVE POLARIZER HAVING A DISPERSED POLYMER - A reflective polarizer of the invention has excellent optical properties even though a very small number of polymer components per unit area is disposed inside a matrix thereof compared to reflective polarizers of the related art, which include birefringent polymer, since the polymer inside the matrix has a plate-like shape. This is advantageous for covering the entire range of visible light, since a plate-like polymer having a variety of optical thicknesses can be used. The additional processing of bonding the skin layer is not performed, since the skin layer is formed on at least one surface of the core layer in the state in which it is molten. This can greatly reduce manufacturing costs, and is advantageous in that it maximizes optical properties in a limited thickness. | 02-13-2014 |
20140071653 | BACK-LIT TRANSMISSIVE DISPLAY HAVING VARIABLE INDEX LIGHT EXTRACTION LAYER - This application describes a back-lit transmissive display including a transmissive display ( | 03-13-2014 |
20140098513 | DISPLAY DEVICE - A display device includes a display panel including a display area for displaying an image and a non-display area adjacent to the display area, a polarizing plate positioned on the display panel and including a polarizing layer for polarizing light that passes through the polarizing layer, and a light shielding layer positioned between the display panel and the polarizing plate. The light shielding layer is formed at an edge of the display panel to correspond to the non-display area. | 04-10-2014 |
20140098514 | Display, Backlight Module, and Frame Structure Thereof - A backlight module includes a light-guiding plate, a back-light source disposed at a side of the light-guiding plate, and a frame structure disposed surrounding the light-guiding plate. The frame structure includes a border component, at least one first convex, and at least one second convex. The border component includes at least one first border and at least one second border. The first border and the second border are adjacent to each other and distributed along a first direction and a second direction respectively. The first convex protrudes from the inner surface of the first border and extends inward along the second direction. The second convex protrudes from the inner surface of the second border and extends inward along the first direction. The first direction is vertical to the second direction, and the top of the vertical height of the first convex is lower than that of the second convex. | 04-10-2014 |
20140118988 | Fluorescent Screen and Image Display Device Provided with Same - A fluorescent screen includes phosphor regions | 05-01-2014 |
20140126175 | COLLIMATING OPTICAL DEVICE AND SYSTEM - There is provided a light-guide, compact collimating optical device, including a light-guide having a light-waves entrance surface, a light-waves exit surface and a plurality of external surfaces, a light-waves reflecting surface carried by the light-guide at one of the external surfaces, two retardation plates carried by light-guides on a portion of the external surfaces, a light-waves polarizing beamsplitter disposed at an angle to one of the light-waves entrance or exit surfaces, and a light-waves collimating component covering a portion of one of the retardation plates. A system including the optical device and a substrate, is also provided. | 05-08-2014 |
20140140036 | TOUCH PANEL DISPLAY DEVICE - A touch panel display device including a display panel displaying an image; a polarizing plate attached onto the display panel; a touch panel on and spaced apart from an upper portion of the polarizing plate; a resin layer between the touch panel and the polarizing plate, the resin layer bonding the touch panel and the polarizing plate; a window on the touch panel; and a reinforcement layer between the window and the touch panel or between the touch panel and the resin layer, wherein the reinforcement layer prevents damage to the touch panel caused by bending stress. | 05-22-2014 |
20140140037 | FLEXIBLE DISPLAY DEVICE AND METHOD OF MANUFACTURING COVER WINDOW OF THE SAME - A flexible display device includes a flexible display panel, a cover window disposed on an outer side of the flexible display panel, and a polarizing plate disposed between the flexible display panel and the cover window. The cover window includes a protrusion and depression portion having protrusions and depressions formed in an inner surface thereof. | 05-22-2014 |
20140146513 | DISPLAY APPARATUS - A display apparatus includes a display panel, a light source part disposed under the display panel configured to supply light to the display panel, and a receiving container. The receiving container is configured to receive the display panel and the light source part. The receiving container includes a bottom portion and a first side wall extending from a first side of the bottom portion along a direction substantially perpendicular to the bottom portion. A first protrusion is formed inside of the first side wall. The first protrusion is disposed between a lower surface of the display panel adjacent to the first side of the display panel and an upper surface of the light source part. The receiving container includes metal. | 05-29-2014 |
20140153212 | Hybrid Backlight Unit Embeddable in Liquid Crystal Display and Method for Fabricating the same - A hybrid backlight unit embeddable in liquid crystal display and method for fabricating the same is disclosed. The hybrid backlight unit uses chemically toughened glass as substrate, which, after optical layers are stacked thereon using photochemical lithography and coating-printing process, laminates with a polarizing film to form an optical substrate with hybrid planar light source capable of producing polarization effect. The optical substrate with hybrid planar light source may be incorporated in the fabrication of liquid crystal panel as its lower glass substrate and lower polarizing film. Finally an external structure is attached to the liquid crystal panel to form a hybrid backlight unit embeddable in liquid crystal display. The hybrid backlight unit embeddable in liquid crystal display described above offers the advantages of high luminance, ultra thinness and high efficiency in fabrication. This hybrid backlight unit product can be designed as bottom lit or edge lit and used mainly in liquid crystal displays. | 06-05-2014 |
20140153213 | DISPLAY DEVICE - A display device includes: a display panel assembly; and a backlight unit. The backlight unit includes an optical sheet, a reflective sheet and a light source. One of the optical sheet and the reflective sheet includes a material which supplies a sound by receiving an electrical field. | 06-05-2014 |
20140185267 | MULTILAYERED OPTICAL FILM AND DISPLAY DEVICE - An optical film includes: a first optical phase retardation layer having a relation nx | 07-03-2014 |
20140240951 | Systems for Providing Illumination in Optical Metrology - The disclosure is directed to systems for providing illumination to a measurement head for optical metrology. In some embodiments of the disclosure, illumination beams from a plurality of illumination sources are combined to deliver illumination at one or more selected wavelengths to the measurement head. In some embodiments of the disclosure, intensity and/or spatial coherence of illumination delivered to the measurement head is controlled. In some embodiments of the disclosure, illumination at one or more selected wavelengths is delivered from a broadband illumination source configured for providing illumination at a continuous range of wavelengths. | 08-28-2014 |
20140240952 | OPTICAL ASSEMBLY AND METHOD FOR ASSEMBLING THE SAME, AND OPTICAL MODULE IMPLEMENTED WITH OPTICAL ASSEMBLY - An optical assembly that installs red, green, blue laser diodes (LDs) within a single package is disclosed. The LDs are mounted on a base via respective sub-mounts. Light emitted from the LDs is collimated by collimating lenses and multiplexed by two wavelength filters so as to align optical axes of the light. The multiplexed light has an axis substantially leveled with the axes of the red, green, and blue light measured from the top of the base. | 08-28-2014 |
20140254125 | ILLUMINATION SYSTEMS WITH SLOPED TRANSMISSION SPECTRUM FRONT REFLECTOR - A backlight ( | 09-11-2014 |
20140293573 | FLAT PANEL DISPLAY - A flat panel display including a flat display device; and a window protecting the flat display device, the window transmitting light emitted from the flat display device, wherein the flat display device is in a concave recess on one side of the window. | 10-02-2014 |
20140293574 | DISPLAY APPARATUS - A display apparatus includes a display panel including lower and upper substrates confronting each other, and a film member combined with the upper substrate; and a panel support member to support the display panel to expose the front and lateral sides of the display panel to the outside. | 10-02-2014 |
20140313691 | IMAGE DISPLAY DEVICE AND METHOD FOR MANUFACTURING IMAGE DISPLAY DEVICE - An image display device includes a light source unit emitting light, a light shutter arranged on the light source unit and selectively causing light received from the light source unit to exit therefrom, and a phosphor substrate arranged on the light shutter such that light from the light shutter enters and including a phosphor. The phosphor substrate is arranged such that the phosphor faces the light shutter. The phosphor and the light shutter are arranged to face each other with an air layer interposed therebetween. | 10-23-2014 |
20140328043 | Illumination Energy Management in Surface Inspection - The disclosure is directed to a system and method of managing illumination energy applied to illuminated portions of a scanned wafer to mitigate illumination-induced damage without unnecessarily compromising SNR of an inspection system. The wafer may be rotated at a selected spin frequency for scanning wafer defects utilizing the inspection system. Illumination energy may be varied over at least one scanned region of the wafer as a function of radial distance of an illuminated portion from the center of the wafer and the selected spin frequency of the wafer. Illumination energy may be further applied constantly over one or more scanned regions of the wafer beyond a selected distance from the center of the wafer. | 11-06-2014 |
20140328044 | LIGHTING APPARATUS WITH LUMINOPHORE ON A MOVABLE CARRIER - The lighting device ( | 11-06-2014 |
20140340865 | Display Backlight System - A lighting device is provided, comprising:
| 11-20-2014 |
20140347840 | DISPLAY DEVICE - A display device includes a display panel, a backlight unit configured to output light to the display panel, and a lens part interposed between the display panel and the backlight unit, and configured to transmit the light output from the backlight unit is transmitted, wherein the backlight unit includes an optical module configured to output the light, and a light guide plate configured to form a light path through which the light that is output from the optical module and incident on the light guide plate is transmitted and to scatter the incident light, the light guide plate including a fixing hole, a first pattern part configured to scatter the incident light output from the optical module, and a second pattern part provided adjacent to the fixing hole. | 11-27-2014 |
20140362556 | QUANTUM ROD SHEET, BACKLIGHT UNIT, DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A quantum rod sheet includes: a first support layer including a plurality of grooves which extends substantially in a predetermined direction; a plurality of quantum rods arranged substantially in the predetermined direction along the grooves of the first support layer; and a second support layer which covers the first support layer and the quantum rods. | 12-11-2014 |
20150009648 | BACKLIGHT LIGHT GUIDE - A backlight light guide comprises a generally planar structure having a light guide layer having a surface that includes a spaced array of extractors, a backside reflective layer, a low refractive index coupling layer disposed on an opposite major surface of the light guide layer, and a reflective polarizer to provide recycling of unused light. | 01-08-2015 |
20150016085 | OPTICAL DEVICE, OPTICAL ELEMENT, AND IMAGE DISPLAY DEVICE - Disclosed are an optical device, an optical element, and an image display device that can achieve an improved absorption efficiency of excitation light. The optical device includes: a light-emitting element; a carrier generation layer on which light from the light-emitting element is incident and in which carriers are generated; a plasmon excitation layer that excites a plasmon, stacked on the upper side of the carrier generation layer and has a plasma frequency higher than a frequency of light generated when the carrier generation layer is excited by the light from the light-emitting element; and an exit layer that converts light or a surface plasmon generated on a surface of the plasmon excitation layer into light having a predetermined exit angle and from which the light having the predetermined exit angle exits. The optical device further includes a polarization conversion layer on the lower side of the carrier generation layer. | 01-15-2015 |
20150029692 | OPTICAL LENS MODULE AND BACKLIGHT UNIT - A backlight unit which provides light to a liquid crystal display panel of a liquid crystal display. The backlight unit includes an optical lens module including an optical lens disposed above a point light source and configured to refract light output from the point light source, and a reflective polarization layer disposed directly on the optical lens and configured to separate polarization components of the light to transmit one polarization component and reflect another polarization component. | 01-29-2015 |
20150036311 | DERMOSCOPY ILLUMINATION DEVICE WITH SELECTIVE POLARIZATION AND ORANGE LIGHT FOR ENHANCED VIEWING OF PIGMENTED TISSUE - The present invention relates generally to an illumination device used in dermoscopy. More particularly, the invention comprises an improved apparatus for enhanced imaging and illumination of the skin for medical examination and treatment. An array of LEDs encircle a magnifying lens assembly. One set of surrounding LEDs provides cross-polarized white light to aid in canceling the reflected light from the skin and creating less glare. Another set of surrounding LEDs provides non-polarized white light for traditional immersion fluid dermoscopy or for non-polarized viewing of the skin. A third set of surrounding LEDs provides polarized colored light, wherein the wavelength color is selected at a color wavelength that maximizes the viewing of skin pigment regions which is important for early detection of skin cancers and other skin diseases. In an embodiment of the invention the colored LEDs comprise orange light at a wavelength of 588 nm. The present invention also discloses that the range of colored LEDs in the orange portion of the visible spectrum, namely at 581 nm to 600 nm wavelengths. | 02-05-2015 |
20150036312 | FILM FOR A DISPLAY APPARATUS AND DISPLAY APPARATUS COMPRISING THE SAME - Provided are a film for a display apparatus and a display apparatus including the film. The film may include a substrate layer, a self-restoration layer disposed on the substrate layer and being configured to restore its original state after being damaged by an external impact, and a fiber network layer disposed in at least a portion of the self-restoration layer. | 02-05-2015 |
20150036313 | ILLUMINATING DEVICE AND DISPLAY - An illuminating device includes a light source which outputs light, a light guide member having an incident surface on which the light from the light source is incident, an output surface through which the light is output from the light guide member, and a light deflection surface on which light deflection elements are formed such that the light is guided toward the output surface, and an isotropic light diffusion member positioned over the output surface of the light guide member. The light guide member has the incident surface extended in an X direction and includes a unit lens formed on the output surface and extended in a Y direction orthogonal to the X direction. A light-deflection element density D representing a number of the light deflection elements per unit area increases as the light deflection elements are positioned farther away from the incident surface. | 02-05-2015 |
20150077966 | LIGHT-SCATTERING BODY, LIGHT-SCATTERING BODY FILM, LIGHT-SCATTERING BODY SUBSTRATE, LIGHT-SCATTERING BODY DEVICE, LIGHT-EMITTING DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE - A light-scattering body includes at least light-transmitting resin, and first particles and second particles which are dispersed in the light-transmitting resin. An average grain size Da of the first particles is greater than an average grain size Db of the second particles. A refractive index na of the first particles is less than a refractive index nb of the second particles. The average grain size Db of the second particles is within a range of 150 nm≦Db≦300 nm. | 03-19-2015 |
20150085464 | LIGHT EMITTING DEVICE - A light emitting device of the present invention comprises a light source and an optical filter and is characterized by that it further comprises a first light guiding member of a taper shape whose cross-sectional area is gradually increased and a second light guiding member whose flare angle is smaller than that of the taper shape of the first light guiding member, wherein the length of the second light guiding member is smaller than the first light guiding member. | 03-26-2015 |
20150092385 | DISPLAY APPARATUS - A display apparatus includes a display panel which displays an image, a polarizing member including a first polarizing film on a lower surface of the display panel and a second polarizing film on an upper surface of the display panel, a light guide plate which receives the display panel and is adhered to the first polarizing film, and a reflecting sheet extending from a lower surface of the light guide plate to the upper surface of the display panel and covering the light guide plate and a portion of the display panel. | 04-02-2015 |
20150092386 | TUNABLE WHITE LIGHT BASED ON POLARIZATION SENSITIVE LIGHT-EMITTING DIODES - A lighting apparatus for emitting polarized white light, which includes at least a first light source for emitting primary light comprised of one or more first wavelengths and having a first polarization direction; and at least a second light source for emitting secondary light in the first polarization direction, comprised of one or more secondary wavelengths, wherein the first light and the secondary light are combined to produce a polarized white light. The lighting apparatus may further comprise a polarizer for controlling the primary light's intensity, wherein a rotation of the polarizer varies an alignment of its polarization axis with respect to the first polarization direction, which varies transmission of the primary light through the polarizer, which controls a color co-ordinate or hue of the white light. | 04-02-2015 |
20150103507 | LIGHT SOURCE AND DISPLAY SYSTEM INCORPORATING SAME - Light sources are disclosed. A disclosed light source includes an optically reflective cavity that includes an input port for receiving light and an output port for transmitting light, a lamp that is disposed at the input port, and an optical stack that is disposed at the output port. The optical stack includes a forward scattering optical diffuser that is disposed at the output port and has an optical haze that is not less than about 20%, and an optical film that is disposed on the optical diffuser. The optical film enhance total internal reflection at the interface between the optical film and the optical diffuser. The optical film has an index of refraction that is not greater than about 1.3 and an optical haze that is not greater than about 5%. The optical stack also includes a reflective polarizer layer that is disposed on the optical film. Substantial portions of each two neighboring major surfaces in the optical stack are in physical contact with each other. | 04-16-2015 |
20150109755 | DISPLAY PANEL UNIT AND DISPLAY DEVICE - In an embodiment, a display panel unit includes a reflective polarizing layer, a transparent layer, and a display panel. The polarizing layer transmits a first polarized component of light incident on an incident surface to an exit surface and reflects a second polarized component of the light. The transparent layer transmits the first and second polarized component of the light incident on a second surface to a first surface adhered to the incident surface and transmits the second polarized component reflected by the polarizing layer to be incident on the first surface to the second surface. The panel faces the exit surface, and selectively transmits the light exiting from the exit surface. | 04-23-2015 |
20150116977 | TRANSPARENT ILLUMINATED DISPLAY SYSTEM FOR AUTOMOBILES - A transparent illuminated display system, typically for use in automobile race events, including a highly flexible and transparent PCB board with ultra-low profile LED's mounted to it. The flexible and transparent PCB boards can be in the shape of a single or multiple numeric or alphanumeric displays. The face of the display which would make contact with the face of a wind screen would include an adhesive element. The transparent illuminated display is mounted to a vehicle as a kind of sticker on the inside or outside of a racecar windscreen, back window and/or side windows. Each of the displays could be wired to power and data lines and illuminate the required numbers or text to show the position and other info of the car in the race. | 04-30-2015 |
20150131258 | ILLUMINATION SYSTEM - An illumination system defined a primary optical axis is provided. The illumination system comprises a light source, a first lens group, an integrator rod, and a second lens group successively located on the primary optical axis. The light source is configured to output a light. The first lens group is configured to reduce an aperture angle of the light to about 27 degrees. The integrator rod is configured to make the light uniformly. The second lens group is configured to amplify an illumination field of the light and reduce the aperture angle of the light to about 3 degrees. | 05-14-2015 |
20150308636 | LIGHTING APPARATUS WITH LIGHT GENERATING DEVICE AND LUMINESCENT BODY - In various embodiments, a lighting apparatus is provided. The lighting apparatus includes at least one light generating device configured to generate at least one polarized primary light beam; and at least one luminescent body, separated from the at least one light generating device, which can be illuminated by the polarized primary light beam. The at least one polarized primary light beam strikes a surface of the luminescent body at a Brewster angle, and is p-polarized in relation to this surface. | 10-29-2015 |
20150323144 | SOLID-STATE LIGHT SOURCE DEVICE - A solid-state light source device is equipped with a semiconductor light emitting element and a wavelength conversion element. The semiconductor light emitting element has a first light emitter and a second light emitter. The wavelength conversion element has a first wavelength converter containing a first phosphor and has a second wavelength converter containing a second phosphor. The first wavelength converter and the second wavelength converter are disposed apart from each other. The first light emitter emits first excitation light, and the second light emitter emits second excitation light. The first phosphor converts the first excitation light into first-wavelength light, and the second phosphor converts the second excitation light into second-wavelength light. | 11-12-2015 |
20150323804 | POLARIZATION BEAM SPLITTER, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY APPARATUS - The present disclosure provides a polarization beam splitter, a backlight module and a liquid crystal display apparatus. The polarization beam splitter comprises a second prism group and a first prism group formed sequentially from a light incidence side to a light outgoing side and meshing with each other; and a polarization beam splitting layer arranged on a meshing surface of the first or second prism group and configured to allow a first polarized light in an incident light to be transmitted through the polarization beam splitting layer to exit from the light outgoing side while reflecting a second polarized light in the incident light back to the light incidence side, the second polarized light having a polarization direction perpendicular to that of the first polarized light. | 11-12-2015 |
20150330606 | DISPLAY DEVICE WITH MULTIPLE DISPLAY SURFACES - The present invention discloses a display device with multiple display surfaces, including: a multi-surface display structure including at least two display panels; a light source provided under the middle part of the display structure; and a reflective surface including at least two reflectors having inclination angles is arranged on the top of the multi-surface display structure. The light source is provided under the multi-surface display structure, such that the bottom space of the display device is efficiently utilized, and the light shadow is eliminated. Therefore, the display performance is improved. The curved reflective surface provided on the top of the multi-surface display structure can reflect the light emitted from the light source, such that the light emergent from each display panel is uniform. The light energy is efficiently utilized (i.e., the utilization of the light source is increased). Thus, the purpose of energy-saving is achieved. | 11-19-2015 |
20150338066 | APPARATUS LIGHT PEN AND ITS USE - A light pen for writing on a polarized light sensitive surface is disclosed. Light emitting diodes emit non-polarized light and a polarization block comprising of a truncated cone shaped collimating optical element, a broad band polarization divider, a broadband semi-wave plate, shifting bi-prism and light beam coupler are built to convert the non-polarized light to be converted to polarized uniform intensity light that is focused using a set of projection lens to a writing surface. The said light pen can be used for creating non erasable writing on many types of articles, documents, and records that would provide verification of authenticity and security. | 11-26-2015 |
20150354803 | KIND OF LIGHT EMITTING DIODE LUMINAIRE - A kind of Light Emitting Diode (LED) luminaire comprises a radiator, a power source and a plurality of LED light sources. The power source is connected with the LED light sources electrically; the power source is installed on the radiator which is equipped with holes to make its top and bottom connected. The LED luminaire is equipped with an adapter assembly comprising a first adapter and a second adapter, which are rotatably and movably connected through a tooth profile structure. The first adapter is fixed on the radiator; when in use, the second adapter is fixed with the outside. The LED luminaire further comprises a lens module board, which is fixed on the bottom of the radiator, covers the LED light sources, and is sealed by a waterproof ring, with one lens covering one LED light source. The lens on the lens module board is a polarized distribution lens. | 12-10-2015 |
20150370084 | Polarized Light Display Device Using Shadow - The present invention provides a polarized light display device that uses a shadow as display element to provide a unique display effect. The polarized light display device | 12-24-2015 |
20150378077 | ABSORBING, REFLECTING AND COLLIMATING POLARIZER STACK AND BACKLIGHTS INCORPORATING SAME - Polarizer stacks are described. More particularly, polarizer stacks that include an absorbing polarizer and multiple reflective polarizers, including at least one collimating reflective polarizer are described. Such polarizer stacks are capable of emitted light that is both collimated and color neutral. Backlights incorporating such polarizer stacks are also described. | 12-31-2015 |
20160018664 | Polarizer Assembly For Spatially Separation Polarization States Of A Light Beam - The disclosure provides to a birefringent polarizer assembly for spatially separating polarization states of a light beam, in particular in the spectral range below 300 nm. The assembly includes a first prism on the light input side and a further prism on the light output side, which are arranged along a principal light incidence direction. The first prism has a first light entrance surface and a first light exit surface. The further prism has a further light entrance surface, facing the first light exit surface, and a further light exit surface. The prisms in each case have an optical principal crystal axis oriented substantially perpendicularly to the principal light incidence direction. The crystal axes of two adjacent prisms are oriented perpendicularly to one another. A normal to the further light exit surface forms an angle not equal to 0° with the principal light incidence direction. | 01-21-2016 |
20160018665 | ELECTRONIC APPLIANCE, AND METHOD FOR COMBINING TOGETHER LASER LIGHT - An electronic appliance has a first polarization convertible diffraction device which splits laser light emitted from a light source into a plurality of components of the laser light; a second polarization convertible diffraction device which combines together the plurality of components of the laser light into combined laser light; an optical path length adjuster which adjusts the optical path length difference between the plurality of components of the laser light along the path between the first and second polarization convertible diffraction devices; and an angle-of-incidence adjuster which adjusts, to predetermined angles, the angles of incidence at which the plurality of components of the laser light are respectively incident on the second polarization convertible diffraction device. | 01-21-2016 |
20160025303 | CIRCULARLY POLARIZED LIGHT ILLUMINATION DEVICE - The present invention provides an illumination device which selectively radiates either one of right-circularly polarized light and left-circularly polarized light, comprising a reflective polarizing plate | 01-28-2016 |
20160048056 | POLARIZER AND DISPLAY DEVICE - A polarizer and a display device are disclosed. The present disclosure belongs to the technical field of display, through which the utilization ratio of the backlight emitted by the backlight module can be improved. The polarizer can be used in a display device and is provided with through holes, and a location of each through hole corresponds to a gate of a corresponding Thin Film Transistor of said display device. The polarizer of the present disclosure can be used in liquid crystal TV, liquid crystal display, mobile phone, tablet personal computer, and other display devices. | 02-18-2016 |
20160077335 | OPTICAL DEVICE FOR AUGMENTED REALITY - An optical device includes a light input part and a light output part. The light input part includes a micro display; a first and a second polarizing beam splitters configured to reflect or transmit incident light including an image displayed on the micro display; and a first quarter wavelength plate configured to receive light transmitted by the first polarizing beam splitter or the second polarizing beam splitter and change a polarized state of the received light. The light output part includes a third and a fourth polarizing beam splitters configured to transmit or reflect light including the image received from the light input part; a second quarter wavelength plate configured to receive the light transmitted by the third polarizing beam splitter or the fourth polarizing beam splitter and change the polarized state of the received light, and a light condenser configured to condense the polarized light. | 03-17-2016 |
20160077382 | LIGHTING DEVICE - An illumination device includes a light source that emits primary light and a wavelength conversion element that converts at least a portion of the primary light from the light source. The wavelength conversion element includes a phosphor layer having phosphors that absorb at least a portion of the primary light from the light source to emit secondary light, which is polarized, and polymers having birefringence. The phosphors have an anisotropic structure and are aligned generally along a first direction, and the polymers have polymer molecules that are aligned generally along the first direction. An angle formed by a direction of a transition dipole moment of each of the phosphors to a delayed phase axis of each of the polymer molecules with respect to the secondary light emitted from the phosphors towards the polymer molecules is 0° to 45°. | 03-17-2016 |
20160077416 | LASER LIGHT SOURCE AND PROJECTION DISPLAY DEVICE - The present disclosure relates to a laser light source and a projection display device. The laser light source includes: N groups of laser devices, N convex lenses, a concave lens and at least one reflector component; each convex lens corresponds to a group of laser devices, and is configured to converge light beams emitted by the corresponding group of laser devices; each reflector component corresponds to at least one convex lens and is disposed in a emergent light direction of a corresponding convex lens, and the concave lens is disposed in a emergent light direction of the at least one reflector component; and an emergent light beam of the convex lens corresponding to each reflector component passes through the reflector component and then arrives at the concave lens. | 03-17-2016 |
20160084452 | MULTI-STAGED LIGHTING DEVICE - A multi-staged lighting device ( | 03-24-2016 |
20160097515 | ILLUMINATION DEVICE PROVIDING POLARIZED LIGHT - An illumination device ( | 04-07-2016 |
20160097936 | POLARIZATION CONVERSION ELEMENT, POLARIZATION-CONVERSION-ELEMENT MANUFACTURING METHOD, LIGHT-SOURCE UNIT, AND OPTICAL DEVICE - This invention provides a polarization conversion element that is highly resistant to the heat and light that result from increased brightness levels. In said polarization conversion element, inorganic half-wave plates provided selectively on the output surface of a polarizing beam-splitter array have obliquely deposited layers comprising a dielectric material and the side surfaces of said obliquely deposited layers are covered by protective films. | 04-07-2016 |
20160116664 | OPTICAL CONSTRUCTIONS INCORPORATING A LIGHT GUIDE AND LOW REFLECTIVE INDEX FILMS - Optical constructions use a low index of refraction layer disposed between a low absorption layer and a high absorption layer to increase confinement of light to the low absorption region of the optical constructions. Low index layers can be used in optical constructions that have multi-tiered light confinement. In these constructions, a first tier of reflection is provided when light is reflected at the surface of a low index optical film which is disposed directly or indirectly on a light guide. A second tier of reflection occurs at the surface of a light redirecting film having appropriately oriented refractive structures. | 04-28-2016 |
20160118370 | DISPLAY DEVICE - A display device is disclosed, which comprises: a first substrate; a second substrate disposed adjacent to the first substrate and partially covering the first substrate, wherein the second substrate comprises a second arc edge and a second side, and the second arc edge connects to the second side; a driving unit disposed on a part of the first substrate uncovered with the second substrate; and a compensation panel disposed on the driving unit and comprising a third arc edge and a third side, wherein the third arc edge connects to the third side, wherein the third side corresponds to the second side, and the third arc edge corresponds to the second arc edge. | 04-28-2016 |
20160131334 | LASER-PUMPED HIGH-RADIANCE INCOHERENT LIGHT SOURCE - A high-radiance broadband incoherent light source is provided by pumping a body formed from a doped material, such as a Ce:YAG crystal with one or more laser diodes. The laser diodes emit at a stimulus wavelength, which may be an absorption wavelength of the body, and the body fluoresces to emit broadband light in a wide emission band. The body is either disposed in, or forms a light-concentrating cavity, e.g., reflective surfaces, which may be dichroic surfaces, can be formed on or attached to the sides of the body to concentrate the emitted light. The light is captured by a light collector that is coupled to an output face of the body to produce a broadband illumination beam. One or more of the reflective surfaces forming the light-concentrating cavity may form a heat sink. | 05-12-2016 |
20160138780 | HEADLIGHTS HAVING ONE LIGHT SOURCE MODULE FOR A HIGH BEAM AND A LOW BEAM - A high beam and a low beam is disclosed, the headlight including: a first light source unit; a second light source unit; a first light output unit; a second light output unit; and a controller configured to adjust a light quantity irradiated from the light source in response to a low beam mode or a high beam mode, and to control a beam output of the first light output unit and the second light output unit by allowing the first optical unit to be arranged selectively on a light path between the light source unit and the second optical unit. | 05-19-2016 |
20160154163 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME | 06-02-2016 |
20160161835 | LIGHT MODULE FOR A PROJECTION OR ILLUMINATION ARRANGEMENT - A light module includes an excitation radiation source designed to emit an excitation radiation having a polarization, at least one first phosphor, an output, at which an output signal is providable, at least one first polarization beam splitter, a first polarization modulator arranged serially between the radiation source and the first splitter. The first modulator is designed to modify the polarization of the radiation source depending on a control signal. The first splitter is designed to split the radiation incident on it depending on the polarization between a first and a second of two optical partial paths connected in parallel with one another. The first optical partial path includes the at least one first phosphor and ends at the output of the light module. The second optical partial path, whilst bypassing the at least one first phosphor, ends at the output of the light module. | 06-09-2016 |
20160169469 | VEHICLE HEADLAMP UNIT AND VEHICLE HEADLAMP SYSTEM | 06-16-2016 |
20160178834 | DISPLAY APPARATUS AND BACK LIGHT MODULE THEREOF | 06-23-2016 |
20160187561 | An Ultrathin Planar Light Source Apparatus - The disclosure is related to an ultrathin planar light source apparatus, comprising a LED light source and a light guide plate; the LED light source comprises a light emitting chip which is disposed opposite to a light incident side of the light guide plate; a polarizer parallel to the light guide plate and disposed between the light emitting chip and the light guide plate; the polarizer projects the light emitted from the light emitting chip toward the light guide plate. The disclosure controls the light emitted from the LED light source well to deflect within a certain range of angles such that the light completely enter into the light guide plate without increasing the thickness of the light guide plate. | 06-30-2016 |
20160195231 | LIGHTING ARRANGEMENT | 07-07-2016 |
20160195760 | LIQUID CRYSTAL DISPLAY APPARATUS | 07-07-2016 |
20160202408 | DISPLAY MODULE WITH OPTICALLY FUNCTIONAL FILM AND METHOD OF MANUFACTURING THEREOF | 07-14-2016 |
20160377798 | LIGHT GUIDE APPARATUS AND FABRICATION METHOD THEREOF - A light guide apparatus that can redirect light impinging on the apparatus over a wide range of incident angles and can concentrate light without using a tracking system and methods for fabrication. This apparatus uses conditions of total internal reflection and refraction near the critical angle for total internal reflection (near TIR) in order to trap light within the apparatus. | 12-29-2016 |
20160377879 | LASER ILLUMINATION DEVICE - An internal device having a lightguide which cooperates with an internal light source. A first light coupling element couples an external light source to the lightguide and a second light coupling element extracts the total internal reflection (TIR) from the lightguide. Between the first and second lightguides, an angular grating device and phase grating device are imposed. The angular grating device applies angular diversity to the rays of the TIR light, while the phase grating device applies phase diversity to the rays of the TIR light. Each of the grating devices has a plurality of electrically switchable grating pixels having a unique first and second diffracting state which varies based on the applied voltage. | 12-29-2016 |