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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7729589 | Back light unit mold frame construction A mold frame contains a lamp shade and a light source, a light guide being erected at the open end and secured in place on one side of the lamp shade; streams of light from the light source entering into from one side of the light guide plate to project in the direc... | 06/01/2010 |
| 7433563 | Optical fiber microscopy launch system and method A launch system and method for microscopy having an optical fiber positioned proximate a sample slide with an optical fiber mounting element so as to deliver an EMR from a terminal end of the optical fiber across a surface of the sample slide to an opposing side sur... | 10/07/2008 |
| 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 |
| 7424197 | Luminaire device An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n1, and top, bottom and side surfaces defining an angel of inclination φ. A back surface spans the top, bottom and s... | 09/09/2008 |
| 7418188 | Luminaire device An optical device for collecting light and selectively outputting or concentrating the light. A layer has an optical index of referaction n1, and top, bottom and side surfaces defining an angle of inclination φ. A back surface spans the top, bottom and s... | 08/26/2008 |
| 7415176 | Method and device to improve backlight uniformity A hot spot filter for a light guide is created by taking an image of the light output pattern of an illiuminated light guide. The hot spot filter may be a film, a layer, or an additional liquid crystal display dedicated to attenuating bright spots from the light gui... | 08/19/2008 |
| 7410286 | Flat-panel display using tapered waveguide A video display for two or three dimensions has a flat liquid-crystal screen which ejects light from the plane at a selectable line. One or, in the case of a 3-D display, several video projectors project a linear image into the plane from an edge. A complete image i... | 08/12/2008 |
| 7404663 | Backlight module A backlight module is suitable for use in a liquid crystal display. The backlight module includes a back plate, and a lamp, over the back plate by a distance. The back plate has a hole under the lamp. The hole can be a hole under the lamp corresponding to an electro... | 07/29/2008 |
| 7406223 | Optical element and method of molding the same The present invention provides an optical element capable of preventing a ghost in the use for a sensor such as a CCD or CMOS. In the optical element including an optical function surface of high surface accuracy and a flange formed around the surface, the optical f... | 07/29/2008 |
| 7403326 | Doped fiber scene projection system and method This invention pertains to a scene projection system and a method for projecting a scene that can simulate light temperature of above 2000 K. The system comprises of a light source part for generating light at a lower wavelength; a means part for individually contro... | 07/22/2008 |
| 7397984 | Light guide screen louver device In a particular embodiment, the louver device includes a transparent layer of material having a first surface and, parallel thereto, a second surface. A plurality of shaped louver members are disposed within the transparent layer of material. The shaped louver membe... | 07/08/2008 |
| 7394960 | Backlight unit of liquid-crystal display module A backlight unit is disposed at a lower side of a liquid-crystal display module LCD, and has a case that accommodates a fluorescent tube, as a light source for light incident to the liquid-crystal display module, a lamp reflector that accommodates the fluorescent tu... | 07/01/2008 |
| 7393132 | Backlight module with nano-material light coupling layer A backlight module (10) includes a flat cold cathode fluorescent lamp (CCFL) (30) having an output interface, and a light guiding plate (20). The output interface has a nano-material layer coated thereon. The light guiding plate includes an inci... | 07/01/2008 |
| 7387388 | Illumination system using polarization conversion An apparatus and method is discloses for providing a substantially uniform, homogenous, polarized light. A beam of substantially un-polarized light is provided by a conventional light source. The un-polarized light is converted to at least four real images by using ... | 06/17/2008 |
| 7382963 | Lighting apparatus and projection display apparatus using the same A lighting apparatus and projection display apparatus using the same are disclosed. The present invention includes a plurality of light sources emitting lights, respectively, each transmitting at least one of a light emitted from a different light source and a light... | 06/03/2008 |
| 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 |
| 7377680 | Light spreading device and backlight module utilizing the same A light spreading device and a backlight module utilizing the same. The backlight module includes a light guide, a plurality of point lights, and a plurality of light spreading devices. The light guide includes an entrance surface. The point lights are disposed near... | 05/27/2008 |
| 7369725 | Light source device and method for manufacturing the same, display device and method for manufacturing the same, and method for driving display device In a light source device, a row of fibers is provided in which a plurality of optical fibers is arrayed in a single row in parallel fashion separately from each other. A light-direction controller is disposed on one side of the optical fibers, main fibers is dispose... | 05/06/2008 |
| 7367704 | Light guide plate and backlight module using same A light guide plate includes having a block body includes a bottom surface, a light emitting surface on an opposite side of the light guide plate to the bottom surface, at least three spaced light incident surfaces, and at least three fresnel lens portions provided ... | 05/06/2008 |
| 7364335 | Modular optical light line unit A modular fiber optic light line unit has a housing in which distal portions of one or more fiber optic bundles fan out such that termini of the fibers are arrayed in a continuous fiber row. The proximal ends of the bundles are held in respective sleeves, and light ... | 04/29/2008 |
| 7364488 | Methods and apparatus for enhancing inflatable devices Methods and apparatus for enhancing an inflatable device. In one example, a first component adapted to generate at least one of light and sound is coupled to a second component that is adapted to facilitate insertion into an inflatable device. The first component ma... | 04/29/2008 |
| 7356239 | Light-guiding plate, lighting device and display device A reflector has a curved part covering the light source and a pair of end parts extending at the two sides of the curved part. The inside surface of each end part has a plurality of substantially parallel projections or depressions. The light-guiding plate has an in... | 04/08/2008 |
| 7356211 | Lighting system A stereoscopic display device is provided. The stereoscopic display device includes an optical waveguide member and a first main surface and a second main surface. The first and second main surfaces face each other. A first light path changing member is provided on ... | 04/08/2008 |
| 7350958 | Light guide plate of LED backlight unit A light guide plate of an LED backlight unit is disclosed. The light guide plate comprises a pair of wide planes facing each other, and a narrow plane formed between the pair of wide planes and constituting a thickness of the light guide plate. The narrow plane has ... | 04/01/2008 |
| 7352951 | Method for displaying advertisements The present invention concerns a method for displaying advertisements including the steps of providing at least one non-transparent cable for transmitting light in which an end of each non-transparent cable is received by a receiving structure and transmitting light... | 04/01/2008 |
| 7352950 | Lightpipe with multiple projections A lightpipe includes at least first and second projections extending outwardly from the body of the lightpipe, where the first projection is opposite the second projection. ... | 04/01/2008 |
| 7349620 | Electro-optical device and electronic instrument A wiring circuit board is supported on the back surface of a light-guide plate and the wiring circuit board is inclined in a predetermined direction relative to the panel surface of a liquid crystal panel or to an arrangement position of a holding case. As a result,... | 03/25/2008 |
| 7349606 | Three color digital gobo system A system of digitally controlling light output by producing separate control signals for different colors of light. The light is contained in an optical waveguide, either prior to shaping or after shaping. Each of the control signals is coupled to a digitally contro... | 03/25/2008 |
| 7336874 | Display element and display device A display device is constructed with conductive fibers which are coated with a display medium and are woven together with transparent conductive fibers. The conductive fibers coated with a display medium serve as warps and the transparent conductive fibers serve as ... | 02/26/2008 |
| 7322729 | Light guiding unit, light guiding unit assembly, and lighting device including the same A light guide unit, a light guide unit assembly, and a lighting device are provided which can efficiently use light emitted from a light source and uniformly radiate light from an elongate rectangular radiating surface. The light guide unit has at least one radiatio... | 01/29/2008 |
| 7322703 | Light emitting apparatus and projector An light emitting apparatus which illuminates an illumination area has a first light source which emits a first light, a second light source which emits a second light, a wheel which is provided with a transmission filter area which transmits the first light, and a ... | 01/29/2008 |
| 7313309 | Optical device and color display unit using the optical device Optical device and color display unit to correct an angle of visibility, emphasize front brightness or diffusion degree, improve brightness and the performance of angle of visibility, and moreover improve the performance of chromaticity. An optical device is a film-... | 12/25/2007 |
| 7302157 | System and method for multi-level brightness in interferometric modulation A display having a plurality of reflective display elements. In one embodiment, the display elements comprise at least one electrode having a plurality of active areas. In one embodiment, at least two of the sizes of the active areas are different with respect to ea... | 11/27/2007 |
| 7302156 | Optical system An optical system including at least one optical fiber having a core and cladding, the at least one optical fiber having a cross section defining a circumference, the at least one optical fiber having at least one light scattering discontinuity at least one location... | 11/27/2007 |
| 7292767 | Light guide plate and back light system using same A back light system (2) includes a light guide plate (20) and light sources (21). The light guide plate includes an optical output surface (203), a bottom surface (202) opposite to the output surface, and optical input surfaces ( | 11/06/2007 |
| 7284892 | Spread illuminating apparatus having light coverging means A spread illuminating apparatus includes a light converging element which has a refractive index profile in a direction orthogonal to two major surfaces of a light conductive plate, and which is disposed between at least one light source and one end surface of the l... | 10/23/2007 |
| 7284889 | Multi-lamp arrangement for optical systems A multi-lamp arrangement for optical systems includes plural lamps and a collective light guide, where each lamp is positioned such as to transmit light into respective light guides that are both optically connected to the collective light guide. In one embodiment, ... | 10/23/2007 |
| 7280172 | Light guide plate, liquid crystal display device having the same, and method for displaying an image using the liquid crystal display device Disclosed are a light guide plate, a front illumination type liquid crystal display device using the same, and a method for displaying an image therein. A light reflection pattern is formed on a light reflection surface of the light guide plate so as to change an op... | 10/09/2007 |
| 7280726 | Controlled-intensity multiple-frequency multiple-axis illumination of macroscopic specimens from a single light source using special bifurcated cables In one embodiment a macroscopically-sized specimen is illuminated with radiations of selectable multiple intensities and frequencies for viewing along a single viewing axis. A stage supports specimen to be observed. First and second illumination sources provide resp... | 10/09/2007 |
| 7278774 | Light-conductive panel of side-light type backlight module A light-conductive panel of side-light type backlight module is disclosed. The reflective plane of the light-conductive panel is formed with a plurality of light conductors, and one lateral side of the conductor is formed with an auxiliary light conductor which is f... | 10/09/2007 |