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| Number | Title | Issue Date |
| 8183753 | Photoluminescent light source with lenses An apparatus for providing a photoluminescent light source is disclosed. In one embodiment, the apparatus comprises a light source that emanates light of a particular spectrum, photoluminescent material which converts light from the light source to light of another ... | 05/22/2012 |
| 8076831 | Optical platform to enable efficient LED emission An integrated multi-layer apparatus and method of producing the same is disclosed. The apparatus comprises an LED, a beam shaping layer, and a refracting layer between the beam shaping layer from the LED. The refracting layer may have an index of refraction lower th... | 12/13/2011 |
| 8058783 | Organic light emitting diode display for suppressing reflection of external light An organic light emitting diode (OLED) display device is disclosed. In one embodiment, the OLED device includes 1) an organic light emitting element configured to emit light, 2) a cholesteric liquid crystal (CLC) layer formed over the organic light emitting element ... | 11/15/2011 |
| 8035285 | Hybrid interference coatings, lamps, and methods Disclosed herein are optical interference multilayer coatings having region provided by a physical vapor deposition process and region provided by a chemical vapor deposition process. Also disclosed herein are methods of making such coatings, as well as lamps compri... | 10/11/2011 |
| 7990033 | Display device, method of manufacturing thereof, and method of improving visibility A display device having a surface with light-emitting regions and non-light-emitting regions, wherein the aforementioned light-emitting regions and non-light-emitting regions are subjected to simultaneous surface treatment selected from: (1) brush treatment; (2) bla... | 08/02/2011 |
| 7960902 | Organic light emitting diode display and method of manufacturing the same An OLED display includes a first substrate and a second substrate adhered to the first substrate wherein a depressed receiving region and a coupling region formed around a receiving region are provided at an opposite surface to a surface facing the first substrate, ... | 06/14/2011 |
| 7839061 | Plasma display panel and field emission display To provide a plasma display panel and a field emission display having an anti-reflection function which can further reduce reflection of incident light from an external source. By providing an anti-reflection layer which geometrically includes a plurality of adjacen... | 11/23/2010 |
| 7839062 | Optical platform to enable efficient LED emission An integrated multi-layer apparatus and method of producing the same is disclosed. The apparatus comprises an LED, a beam shaping layer, and a refracting layer between the beam shaping layer from the LED. The refracting layer may have an index of refraction lower th... | 11/23/2010 |
| 7791257 | Front sheet and display device using the same A technique for a display device using a display panel with Lambert light distribution, such as a plasma display panel, which displays a bright image with less contrast deterioration. This device has a front sheet which is integrally or separately located in front o... | 09/07/2010 |
| 7741760 | Display apparatus Provided is a display apparatus including a plurality of pixels each composed of an organic electroluminescent device, in which the dependency of a view angle can be reduced without the sacrifice of the luminance of the display apparatus. The display apparatus of th... | 06/22/2010 |
| 7671520 | Display device with birefringent substrate A display device comprising at least one substrate(1, 2), a first and a second electrode(7, 8), a display medium (12) and an optically active layer(3, 5), wherein said optically active layer comprises a polarizer (3) and is arrange... | 03/02/2010 |
| 7583013 | Plasma lighting system having thin metallic film resonator Provided is an electrodeless sulfur lamp including a power supply supplying electrical power, a transparent bulb which has a space inside it, with sulfur being contained in the space, and a coil connected to the power supply, which is wound around an outside surface... | 09/01/2009 |
| 7576478 | Electrically controllable color conversion cell The invention relates to light emitting devices (2) with variable output color. More specifically, the inventions provides a color conversion cell (10) which can be positioned in front of a light source (4) in order to generate other color or co... | 08/18/2009 |
| 7504766 | Color filter, method of manufacturing a color filter, display apparatus, electro-optical apparatus, and electronic appliance To enhance the brightness and contrast of a display, and to enhance the visibility of a color filter, a color filter includes a substrate that transmits light, a reflective layer that is formed on the substrate and includes openings, boundary layers formed on parts ... | 03/17/2009 |
| 7453190 | Electric lamp with absorbing and interference media An electric lamp includes a lamp vessel which is transparent to visible light and accommodates a light source. The lamp vessel is covered with a combination of a light-absorbing medium and an optical interference film having layers of alternately layers of silicon d... | 11/18/2008 |
| 7417369 | Organic electroluminescent device with light-transmissive optical compensation layer An organic electroluminescent device, a flat panel display, and a portable electronic device using the same are disclosed. The organic electroluminescent device comprises a substrate, a transparent anode disposed on the substrate, a transparent cathode disposed oppo... | 08/26/2008 |
| 7414354 | Filter substrate and color display using the same A filter substrate including a transparent support substrate 11, a pattern layer 13, a first overcoat layer 15 formed of a reaction product prepared by a chemical reaction mainly based on hydrolysis of a starting material comprising at least a m... | 08/19/2008 |
| 7402939 | Organic EL display An organic EL display includes an insulating layer with light-transmission property, an organic EL element located on a back side of the insulating layer, a diffraction grating located on the back side of the insulating layer, and an optical film disposed on a front... | 07/22/2008 |
| 7394188 | Phosphor based light source component A method of making a light source includes the steps of forming a first optical component having a phosphor material in fixed relation to a first multilayer interference reflector, providing a second optical component having an LED capable of emitting light that exc... | 07/01/2008 |
| 7378785 | Polarizing photonic band gap system with reflector A polarizing photonic band gap system has a photonic crystal emitter. The photonic crystal emitter has a crystal end surface. The photonic crystal emitter is configured to generate electromagnetic energy having a wavelength λ. The system has a polarizer. The polari... | 05/27/2008 |
| 7378784 | Optical filter for CIE daylight simulator An optical filter used for modifying the spectral power distribution of high color temperature lamp to simulate CIE standard daylight illuminant. The optical filter comprising a heat-absorbing glass plate, a heat insulation washer, a longpass glass plate, and one or... | 05/27/2008 |
| 7372055 | Night vision infrared illuminator An illuminator assembly is provided for supplying night vision illumination. The assembly includes a support housing and an infrared illumination source. An infrared reflector receives the radiation emitted from the infrared illumination source and reflects the infr... | 05/13/2008 |
| 7355328 | Short-arc lamp with dual concave reflectors and a transparent arc chamber A short arc lamp with two transparent apertures. The lamp includes a sealed transparent arc chamber with an internal integral light reflector, and an external light reflecting element positioned external to the sealed arc transparent chamber. ... | 04/08/2008 |
| 7352339 | Diffuse illumination systems and methods The systems and methods disclosed herein relate to sources of diffuse illumination for providing substantially uniform illumination to a surface. The diffuse illumination arises from varying the diffusion angle of light generated by an LED system. To vary the diffus... | 04/01/2008 |
| 7352118 | Optimized ultraviolet reflecting multi-layer coating for energy efficient lamps A metal halide lamp (10) includes a light-transmissive envelope (12) which encloses a metal halide pool (30) for generating a discharge when spaced apart electrodes (20, 22) within the envelope are supplied with an electric current. A mul... | 04/01/2008 |
| 7350939 | Alignment structure for use with a light source and/or a light gathering reflector Embodiments of methods, apparatuses, devices and systems associated with a pre-aligned light source for use with a light gathering reflector are disclosed. ... | 04/01/2008 |
| 7352124 | Light recycling illumination systems utilizing light emitting diodes This invention is an illumination system that incorporates a light emitting diode and a partially reflecting optical element. The light emitting diode emits internally generated light and reflects incident light with high reflectivity. The partially reflecting optic... | 04/01/2008 |
| RE40181 | Infrared radiator with carbon fiber heating element centered by spacers The invention relates to an infrared radiator with a heating element containing carbon fibers disposed in a quartz glass tube, with its ends connected to contact elements running through the wall of the quartz glass tube. The known radiators are improved by the fact... | 03/25/2008 |
| 7347592 | Light source for a projection system having a light absorption layer A reflector for use in a projection system comprises an anodized metal substrate having a metal oxide layer. The metal oxide layer has a plurality of pores. A light absorbing pigment is deposited into each of the pores such that the light absorbing pigment and the m... | 03/25/2008 |
| 7345414 | Lamp for night vision system An electric lamp assembly 10 for emitting near infrared radiation includes a reflector housing 20 and a lamp vessel 24 positioned within the reflector housing. A source of illumination 28 is enclosed within the lamp vessel. A continuous m... | 03/18/2008 |
| 7344291 | Illuminating device and backlight device employing the illuminating device Disclosed is an illuminating device which, as a light source for a backlight device, mixes the colors of light rays of three prime colors radiated by light emitting diodes to emit white light. The illuminating device includes a first light source (22R) radiat... | 03/18/2008 |
| 7339316 | Organic light-emitting devices and displays including a polarization separator, a phase plate, and a polarizer Light-emitting devices and light-emitting displays for realizing bright display by allowing light emitted from an emissive layer to efficiently contribute to a display. Polarization separators are arranged between the emissive layer and a phase plate. In the light o... | 03/04/2008 |
| 7339319 | Flat display device In a flat display device having a pair of substrates for defining a gas discharge space in which a gas used to generate discharge luminance is sealed, means for absorbing or reflecting near infrared rays is included. ... | 03/04/2008 |
| 7335921 | Lighting devices using feedback enhanced light emitting diode Lighting devices using feedback-enhanced luminescent devices are disclosed. A light emitting diode disposed between feedback elements (FE-LED) may be used as a light emitting element in the lighting devices. The light emitting element may be coupled to a light distr... | 02/26/2008 |
| 7332861 | Light-emitting structures Light-emitting structures of reduced size are realized with combinations of light-emitting diodes, resistive and conductive films, and interconnect members. Other embodiments are provided which simplify fabrication and assembly. ... | 02/19/2008 |
| 7332852 | One-way transparent optical system having light absorption elements and light refracting structures An apparatus and method for microstructures of a display device which focus external light toward light-absorption regions to enhance brightness and contrast of the display device. The display device includes a light absorption layer disposed to one side of a light ... | 02/19/2008 |
| 7329982 | LED package with non-bonded optical element Light sources are disclosed utilizing LED dies having at least one emitting surface. An optical element is provided for efficiently extracting light out of an LED die by controlling the angular distribution of the emitted light. The optical element is optically coup... | 02/12/2008 |
| 7327087 | Photocatalytic fluorescent lamp provided with an anatase TiOcoating film A method of preparing semiconductor nano crystal anatase TiO2 solution uses titanium alkoxide Ti(OR)4 as a main component in combination with chelating agents in aqueous solution. A fluorescent lamp tube is coated with the semiconductor nano cr... | 02/05/2008 |
| 7327086 | Gas-discharge lamp with a colour-compensating filter A gas-discharge lamp includes a discharge vessel, two electrodes, a cap, an outer envelope, and a filling of a metal halide. To improve the quality of the beam color, the outer envelope of the gas-discharge lamp is partially coated with an optical compensating filte... | 02/05/2008 |
| 7321464 | Electroluminescent light source and display incorporating same A brightness enhanced reflective polarizer includes a reflective polarizer and a structured surface material. ... | 01/22/2008 |
