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| Number | Title | Issue Date |
| 8070343 | Light pipe providing wide illumination angle A light pipe is configured to provide a wide effective angle of illumination while simultaneously providing a substantially uniform distribution of light along a length of the light pipe. One or more reflective surfaces not aligned with an inner surface are disposed... | 12/06/2011 |
| 8007157 | Light pipe and light guiding device with same An exemplary light pipe includes a main pipe and branch pipes. The main pipe includes a light inputting segment, an end portion, and a light outputting segment between the light inputting segment and the end portion. The light inputting segment includes connecting o... | 08/30/2011 |
| 7942558 | Optical device for LED light sources Optical device and optical component part for the targeted reproduction of light emitted by LED light sources (6). The optical device comprises at least two component parts, a first optical component part (10) in the form of a solid waveguide and anoth... | 05/17/2011 |
| 7866867 | Backlighting optical fiber, and a LCD backlight module and display device formed therefrom A backlighting optical fiber consists essentially of an optical fiber with an axially recess disposed along the inner wall; a reflector set into said axially recess, said reflector includes a reflecting surface disposed on the inner side of said reflector, to reflec... | 01/11/2011 |
| 7815355 | Direct-lit backlight having light recycling cavity with concave transflector Direct-lit backlights and associated methods and components are disclosed in which a transflector that partially transmits and partially reflects incident light is shaped to form at least one concave structure facing a back reflector of the backlight. This provides ... | 10/19/2010 |
| 7798694 | Thermal layer, backlight unit and display device including the same Disclosed is a thermal layer, as well as a backlight unit and a display device including the same. A composition for the thermal layer comprises a thermally conductive material, about 10 to 40 parts by weight of a binder based on 100 parts by weight of the thermally... | 09/21/2010 |
| 7682059 | Direct type back light A direct type back light includes a case holding a plurality of lamps. The lamps may be “U” shaped and have curves arranged at a centerline of the case to face each other with a gap there between. A reflecting plate is positioned below the plurality of lamps. A ... | 03/23/2010 |
| 7641373 | Backlight unit Disclosed is a backlight unit which illuminates a display panel from a rear surface thereof, including at least: tubular lamps arranged in parallel to the panel; and a reflecting member which reflects light from the lamps toward the panel, wherein the reflecting mem... | 01/05/2010 |
| 7588361 | Illumination system combining diffuse homogeneous lighting with direct spot illumination An illumination system, preferably for illumination in a car, comprising at least one plain or slightly curved, solid light guide (4) made of transparent material, said light guide receiving light from a light (2) source and being provided with means (... | 09/15/2009 |
| 7556413 | Illumination device and projector An illumination device includes a light source that emits light-source light, a light recovery member that is disposed close to the light source in the vicinity of a lateral side of the light source, and has a light receiving surface inclined at a predetermined angl... | 07/07/2009 |
| 7434946 | Illumination system with integrated heat dissipation device for use in display systems employing spatial light modulators Disclosed herein is an illumination system for use in display systems employing spatial light modulators. The illumination system comprises a fastening mechanism for securing the bonding of the walls of the light integrator of the illumination system. A heat dissipa... | 10/14/2008 |
| 7427167 | Apparatus and method of using LED light sources to generate a unitized beam An apparatus includes: a plurality of light emitting diodes (LED) of similar or differing wavelengths; a reflector for collecting energy from two or more LEDs into an approximately composite beam; and a housing for distributing this energy into a common aperture. A ... | 09/23/2008 |
| 7407315 | Method and apparatus for backlighting a device A light guide panel is disclosed. The panel comprises a plate for dispersing light and at least one light-emitting diode (LED) coupled to the plate for providing the dispersed light. When the panel is coupled to a keyboard, the at least one LED is under a portion of... | 08/05/2008 |
| 7407313 | Phosphor based illumination system having a plurality of light guides and a display using same An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and a first interference reflector position... | 08/05/2008 |
| 7377679 | Phosphor based illumination system having a plurality of light guides and a display using same An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and an interference reflector positioned su... | 05/27/2008 |
| 7378686 | Light emitting diode and side emitting lens The invention is an illumination system that incorporates a light emitting diode and a side-emitting light-recycling lens. The side-emitting light-recycling lens recycles part of the light internally generated by a light emitting diode back to the light emitting dio... | 05/27/2008 |
| 7374313 | Luminaire with improved lateral illuminance control A luminaire with improved lateral illuminance control comprising a light pipe with a longitudinal center is disclosed. A light-extraction means applied to a radial swath of the light pipe has a longitudinal portion having dimension along its length, centered about a... | 05/20/2008 |
| 7375653 | Precision approach path indicator systems and light assemblies useful in same Precision approach path indicator systems (PAPIs) effective in providing approach slope guidance for aircraft approaching an airport runway are provided. Such PAPIs include a plurality of light assemblies positioned on or in proximity to an airport runway and struct... | 05/20/2008 |
| 7369294 | Ornamental display device An ornamental display device having an interferometric modulator for displaying an ornamental image. The ornamental device may have a patterned diffuser formed on a transparent substrate to provide an ornamental image. The ornamental device may also be a piece of je... | 05/06/2008 |
| 7364336 | Plane light source device and display device provided with the same The present invention aims to provide a plane light source device having enhanced efficiency of use of light and high brightness uniformity. A plane light source device of the present invention is provided with a housing having an opening section, a scatterin... | 04/29/2008 |
| 7364344 | Lamp housing and backlight module using the same An exemplary lamp housing includes a base (21), two frame members (23), and two frame holding members (24). The base includes an upper surface for disposing one lamp (20) thereon. The frame members are respectively attached to two opposit... | 04/29/2008 |
| 7364326 | Multiple light source illumination for image display systems A method for transmitting light in an image display system includes generating a first cone of light from a first light source. The first cone of light includes a plurality of light beams. A first portion of the first cone is projected in an illumination path. A sec... | 04/29/2008 |
| 7357555 | Phosphor based illumination system having an interference reflector and a display An illumination system including a light source, a light guide including an output surface, emissive material positioned to receive light from the output surface of the light guide, and a first interference reflector positioned between the output surface of the ligh... | 04/15/2008 |
| 7357554 | Phosphor based illumination system having a light guide, an interference reflector and a display An illumination system including a light source, a light guide including an output surface, emissive material positioned to receive light from the output surface of the light guide, and an interference reflector positioned such that the emissive material is between ... | 04/15/2008 |
| 7350953 | Phosphor based illumination system having a short pass reflector and method of making same An illumination system including a light source, a light guide including an output surface, a first interference reflector positioned between the light source and the output surface of the light guide, and emissive material positioned between the first interference ... | 04/01/2008 |
| 7350951 | Planar light source device and display device using the same device To obtain a planar light source which is free from brightness variations or chromaticity variations by using a point light source having a high directivity for emitted light, and to provide a liquid crystal display device capable of obtaining superior display charac... | 04/01/2008 |
| 7341370 | Liquid crystal display apparatus In a backlight assembly capable of improving display quality and an LCD apparatus having the backlight assembly, the backlight assembly includes a lamp and an insulating member. The lamp includes a lamp tube and an electrode disposed on an end portion of the lamp tu... | 03/11/2008 |
| 7338194 | Liquid crystal display and backlight module thereof A liquid crystal display and a backlight module thereof are provided. A backlight module comprises a light source, a reflector, and a bottom plate. The reflector is disposed under the light source. The bottom plate is disposed under the reflector and facing a lower ... | 03/04/2008 |
| 7338197 | Ultra-thin backlight A flat illumination device such as may be used in a liquid crystal display device, includes a light guiding plate having a front and a rear surface and at least one illumination window. The device further includes a light source that is coupled to an edge of the lig... | 03/04/2008 |
| 7336403 | Optical element and illumination apparatus having same An object of the present invention is to efficiently shape a light flux emitted from a light source into a linear shape and so as to provide an optical element having high versatility that can be widely used irrespective of the original sizes and to provide an illum... | 02/26/2008 |
| 7334927 | Backlight unit and supporter within A backlight unit with a supporter is provided. The backlight unit at least comprises a bottom cover, a lamp, a diffuser and the supporter. The bottom cover has a first surface, a second surface opposite to the first surface and a hole formed on the bottom cover, thr... | 02/26/2008 |
| 7334928 | Flat light-emitting lamp, fabricating method thereof, and liquid crystal display using the same A flat light-emitting lamp includes a first common discharge unit for producing a first electrical discharge according to a first AC waveform having a first phase, a second common discharge unit for producing a second electrical discharge according to a second AC wa... | 02/26/2008 |
| 7329017 | Parabolic reflector protective insert The present invention involves a method and apparatus of protecting a lighting element within a parabolic reflective housing. The apparatus involves a lighting element-protective member for use in within a light reflector housing cavity wherein lighting element prot... | 02/12/2008 |
| 7325956 | Light-emitting diode (LED) illumination system for a digital micro-mirror device (DMD) and method of providing same A light illumination system for projecting a color image to a digital micro-mirror display (DMD) panel includes a light-emitting diode (LED) illumination assembly (101, 102, 103), a dichroic combiner (107) for providing a single light source and a cond... | 02/05/2008 |
| 7320631 | Nautical light emitting diode (“LED”) safety channel marker A nautical light emitting diode (“LED”) safety channel marker that is cylindrical in shape, capable of displaying lighted oceanic regulation symbols on either side, and that at night illuminates the panels that display a red triangle and a green square through t... | 01/22/2008 |
| 7314288 | Backlight system A backlight system for use with a liquid-crystal display provides longer lamp lifetime through uniform temperature distribution, offers improved brightness uniformity and enhanced power-supply system efficiency, and ensures safety through lowered voltages. Linear la... | 01/01/2008 |
| 7311433 | Backlight module for an LCD (Liquid Crystal Display) system A light guide for an LCD system has a light incident side, and is formed with a plurality of pattern structures. Each of the pattern structures has a pair of diagonally-disposed first points defining a first length therebetween, and a pair of diagonally-disposed sec... | 12/25/2007 |
| 7309151 | Light emitting panel In one embodiment, a light emitting panel includes a base panel and a plurality of light emitting elements mounted to the base panel. Each of the light emitting elements produces an illumination pattern having a region of substantially uniform intensity that extends... | 12/18/2007 |
| 7301265 | Light source unit, method of manufacturing light source unit, and projector Exemplary embodiments of the present invention include a light source unit in which only a small number of components are required, the shapes of the corresponding components are not complicated, a lens is fixed and hence good workability is achieved, and lowering o... | 11/27/2007 |
| 7293891 | Lighting device having a light tube with magnetically adjustable illumination A lighting device (10) has an elongated light tube (12) to be used in combination with a holster (80) in a manner which will enable the holster (80) to hold the lighting device (10) as may be necessary and also enable the holster (... | 11/13/2007 |
