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| Number | Title | Issue Date |
| 7430355 | Light emissive signage devices based on lightwave coupling A signage device comprising one or more light sources, a waveguide or arrangement of waveguides and photoluminescent features coupled thereto. In one embodiment, a waveguide is adapted to receive light of a first wavelength and the photoluminescent features are adap... | 09/30/2008 |
| 7387423 | Light guide plate with transmittance enhancement layer and backlight system using same A backlight system has a light guide plate. The light guide plate includes a transparent plate having a light incidence surface and an opposite light emitting surface, and a light transmittance enhancement layer. The light transmittance enhancement layer is provided... | 06/17/2008 |
| 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 |
| 7364342 | Light redirecting films pattern of variable optical elements Light redirecting films and film systems include a thin optically transparent substrate having a pattern of individual optical elements of well defined shape on or in the substrate. At least some of the optical elements may vary at different locations on the substra... | 04/29/2008 |
| 7364340 | Backlight unit for flat panel display and flat panel display apparatus having the same A backlight unit for a flat panel display and a flat panel display apparatus having the same. The backlight unit for a flat panel display displaying a predetermined image includes: a light source which emits light; a light guide panel having an incident surface faci... | 04/29/2008 |
| 7364337 | Flexible backlight unit for key of input device Provided is a backlight unit for a key of an input device. The unit includes a light guide plate and at least one light emitting unit. The light guide plate is formed of flexible transparent resin and has a light guide pattern portion in which a plurality of engrave... | 04/29/2008 |
| 7350957 | Light guide plate, surface light source having same, and related display device A light guide plate (100) includes a light incident surface (110), two opposite light emitting surfaces (120) each adjoining to the light incident surface, a plurality of first tapered structures (132), and a plurality of second tapered s... | 04/01/2008 |
| 7347612 | Backlight module incorporating a nonspecular reflective device A backlight module 200 is provided, which includes a light guide plate 22 and a nonspecular reflective device 28, 34. The light guide plate 22 has a light-incident surface 221, a light-emitting surface 223, and a bottom surf... | 03/25/2008 |
| 7338196 | Low profile light panel Low profile, thin panels using a layer of clear cast polymer with a reflective, mirrored backing and edges and a light diffusing face sheet, carrying light sources using fiber optic lenses or diodes on all or any sides thereof. The reflective sides direct the light ... | 03/04/2008 |
| 7325961 | Polarized light source device and back light module for liquid crystal display A polarized light source, has an illuminant for generating light having a transparent tube which is filled with mercury vapor and which has a fluorescent material disposed thereon; a reflective film surrounding the illuminant and having an opening for emitting the l... | 02/05/2008 |
| 7320538 | Optical film having a structured surface with concave pyramid-shaped structures Optical films are disclosed, which have a structured surface including a plurality of concave pyramid-shaped structures, each structure having a base including at least two first sides and at least two second sides. In addition, optical devices are disclosed that in... | 01/22/2008 |
| 7303325 | Illumination device and display apparatus including the same An illumination device for a display apparatus provided on a rear side of a display panel of the display apparatus includes a plurality of rod-like light sources arranged substantially parallel to each other; and a light scattering member for scattering light, the l... | 12/04/2007 |
| 7290920 | Light guide plate and manufacturing method of the same A method of manufacturing a light guide plate comprising the following the steps. First, a thin film with a transfer material layer thereon is provided. Thereafter, a molding machine having a molding cavity therein is provided. A thin film is disposed in the molding... | 11/06/2007 |
| 7287892 | Light source for back-lit displays A light source having a light pipe and a light generation section. The light pipe includes a two-dimensional sheet of transparent material having a transparent top surface that is substantially parallel to a reflective bottom surface. The light pipe includes light p... | 10/30/2007 |
| 7281835 | Backlight module for flat panel display A backlight module and a flat panel display using the same. The backlight module comprises a light source device and light guide plate adjacent to the light source device. The light source device comprises a high intensity discharge lamp, a reflector having an openi... | 10/16/2007 |
| 7278762 | Automotive headlamps with improved beam chromaticity Lenses for lamps can improve the quality of the light emitted through lens by interacting with the light bulb. Photoluminescent dyes as well as non-photoluminescent dyes may be incorporated into a polycarbonate lens in order to shift the chromaticity of the light so... | 10/09/2007 |
| 7270301 | Surface optical reflector, for space craft such as a geostationary satellite Optical surface reflector, for a spacecraft such as a geostationary satellite. The exterior surface (10) of the reflector comprises a plurality of facets (14) inclined to each other and to the interior surface (12) of the reflector. The f... | 09/18/2007 |
| 7264390 | Polarized light source device and back light module for liquid crystal display A polarized light source device comprises a light source, a reflector, a transparent substrate, an antireflection layer, and a plurality of metal grid wires. The reflector surrounds the light source for reflecting the light, and has an opening for emitting the light... | 09/04/2007 |
| 7252425 | Light guide panel usable with backlight unit, backlight unit employing the same, and manufacturing method thereof A light guide panel usable with a backlight unit is capable of enhancing brightness uniformity and reducing light loss. The light guide panel includes a transparent plate one side of which is a plane of incidence. An interior of the light guide panel is divided by a... | 08/07/2007 |
| 7226200 | Light guiding device with two opposite light emitting surfaces and backlight module using the same A backlight module (1) has a light guiding device (2) and a light source (200). The light guiding device has a single light guide plate (20), and a reflection member (26). The single light guide plate has a light incidence surface ... | 06/05/2007 |
| 7223007 | Method and apparatus for selectively backlighting a plurality of displays with a common light source A device and method for optimizing lighting for a display (108) in a multi-display electronic device (100), is disclosed. The method includes emitting light waves (302) from at least one light source (244), to a back surface (122, 132 | 05/29/2007 |
| 7218830 | Surface illuminator using point light source The disclosed apparatus is a surface illuminator i.e. surface light source typically used in lighting for liquid crystal displays (LCDs). The surface illuminator using point light source may comprise a first light guide member for a surface lighting having a first l... | 05/15/2007 |
| 7188989 | Light guide plate and support unit for the same The light guide plate 32 has a light receiving portion 36 on one side thereof to receive light emitted by the LED 24 and a flexible light guide body 35 for transforming the light received by the light receiving portion 36 into plan... | 03/13/2007 |
| 7186015 | Backlight display system An apparatus and method for backlighting a translucent image. At least one polymer thick film conductive strip is applied to a glass substrate, connecting a plurality of light emitting devices, a dropping resistor, and a power supply connection. The glass substrate ... | 03/06/2007 |
| 7165873 | Light emitting panel assemblies Light emitting assemblies include a multilayer light emitting panel member that receives light from at least one light source. The panel member may have at least one solid light conducting or transmitting layer and at least one hollow light conducting or transmittin... | 01/23/2007 |
| 7108385 | Illumination module of light emitting elements An illumination module of light emitting elements is provided. The present illumination module includes a printed circuit board having a one-dimensional array of light emitting elements arranged thereon and a reflecting layer on the surface of the printed circuit bo... | 09/19/2006 |
| 7101073 | Light positioning device A light positioning device. The light positioning device comprises a light guide plate, a light source assembly and a frame. The light guide plate comprises a protrusion and a recess. The light source assembly is disposed on the protrusion of the light guide plate a... | 09/05/2006 |
| 7077557 | Surface light source device A surface light source device. A light guide plate has an incident end face, an emitting face, at least one full-reflective face, and a plurality of light adjusters. The full-reflective face reflects light onto the incident end face for direction to the emitting fac... | 07/18/2006 |
| 7018059 | Direct type backlight module A direct type backlight module. The backlight module includes a reflector, a diffuser plate, lamps, and a light-distributing device. The diffuser plate is disposed on the reflector, and the lamps are disposed between the reflector and the diffuser plate. The light-d... | 03/28/2006 |
| 7014351 | Planar surface illuminator A planar surface illuminator (20) for installation below a liquid crystal display panel includes a light guide plate (22) and a plurality of light emitting diodes (21). The light guide plate has a bottom surface (223), an end surface (... | 03/21/2006 |
| 6966686 | Surface light source device A surface light source device used in an LCD includes a panel-shaped light guide plate (200), a pair of light sources (100) for emitting light, and two pairs of light source holders (300). The light sources are installed adjacent to two end surf... | 11/22/2005 |
| 5175030 | Microstructure-bearing composite plastic articles and method of making A microstructure-bearing composite plastic article can be superior, both in microstructure and in physical properties, when it is a composite of a tough, flexible substrate, at a surface of which is microstructure formed of a cured oligomeric resin having... | 12/29/1992 |
| 5145246 | Arrangement for collecting and emitting light via defined surface areas Arrangement for collecting and emitting light via defined surface areas (25) in order to create a slide. The arrangement consists of a number of transparent plate elements, collector plates (12-15), which are designed to receive incident light at one or m... | 09/08/1992 |
| 4830899 | Light reflection material, its manufacture and application A light reflection material comprises transparent body of organic glass having therein a thin through hole or holes whose inner wall is smooth. This material is useful for an ornamental material, a lighting material, eye-obstructing material, shading mate... | 05/16/1989 |
| 4779166 | Illuminating apparatus An illuminating apparatus which comprises a plane board composed of a transparent resin having an organic fluorescent dye incorporated therein and a light-reflecting member arranged on at least a part of the back surface of the plane board, wherein a ligh... | 10/18/1988 |
| 4716501 | Indicator light assembly with fluorescent lens A clear plastic lens contains a fluorescent dye. The lens is substantially parallelepiped in shape with two major opposed parallel surfaces and four sides. Three of the sides are reflecting sides. Each reflecting side has two flat transparent surfaces pos... | 12/29/1987 |
| 4105293 | Lighting installation based on light guide A lighting installation based on a light guide, comprising a light guide having two surfaces, one of said surfaces is presented to the space being lighted, and at least one light source positioned in an input device including an optical unit directing the... | 08/08/1978 |
