Quotables
"The radio craze will die out in time."
Thomas Edison ; 1922
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8167475 | Linear lighting apparatus and image reader using the same Conventional methods using two optical waveguide members are disadvantageous in cost because they require two optical waveguide members and pairs of their associated components. A linear lighting apparatus includes a rod-like optical waveguide member (100) fo... | 05/01/2012 |
| 8152349 | End reflector for a flat panel lens End reflectors, flat panel lens that may utilize the end reflector, and methods are provided. The end reflector for a flat panel lens may include a first grating having a first set of parallel planes. The first set of parallel planes may be of layers of alternating ... | 04/10/2012 |
| 8066418 | Lighting device and display device A lighting device includes a plurality of light-transmitting guide plates 1, 2, 3 laminated in at least three layers and a plurality of light emitting elements 4, 5, 6 arranged so as to oppose to respective lateral sides of the light-transmitting guide... | 11/29/2011 |
| 8052316 | Lighting device and display device employing the same A lighting device and a display device are provided. The lighting device includes: a light source; a light dividing member; and a beam shaper. The light dividing member includes a light receiving surface, on which light is incident, and divides the incident light in... | 11/08/2011 |
| 7976208 | Flat panel lens A light guide with input and output faces 2, 3a is polar-symmetric about the first face 2 and has optical properties such that the angle at which a ray is injected into the first face determines the position at which it leaves the second face | 07/12/2011 |
| 7954989 | Backlight module with diffusing particles and prism refractive structure A backlight module includes a frame, a diffuser, a first light source, and a light guiding plate. The diffuser is disposed in the frame. A plurality of diffusing particles is doped into the diffuser. The refractive index of the plurality of diffusing particles is le... | 06/07/2011 |
| 7942565 | Illumination device An illumination device is specified which has a light source (1) suitable for coupling divergent electromagnetic radiation (6) into an optical waveguide (2), the electromagnetic radiation (6) being guided in the optical waveguide (2 | 05/17/2011 |
| 7942541 | Light guide, image display device and method for generating image A light guide including a transparent substrate; a plurality of guide members formed on a first surface of a transparent substrate, the guides have guide bases separated by an open area on the first surface of the transparent substrate having a width “a”, and th... | 05/17/2011 |
| 7850357 | Optical guide bar, line light source device, surface light illumination device, and display apparatus Provided is an optical guide bar including: a light exit portion; light incident portions, on which light is incident, formed on both sides of the light exit portion; and a reflective portion facing the light exit portion and including a prism pattern that reflects ... | 12/14/2010 |
| 7810977 | Backlight device and display device using the same A backlight device includes a main light guide plate, auxiliary light guide portions provided on the side of an opposed surface of the main light guide plate, and light sources arranged to emit light into the auxiliary light guide portions. A reflector is arranged t... | 10/12/2010 |
| 7736043 | Light emitting panel assemblies Light emitting assemblies include a light emitting panel member having at least one light input surface for receiving light from at least one light source and a pattern of deformities that vary on or in at least one surface to cause light to be emitted from the pane... | 06/15/2010 |
| 7661865 | Liquid crystal display backlight and liquid crystal display device To provide a liquid crystal display backlight and a liquid crystal display device, which can improve the heat dissipating effect, can reduce the thickness and weight of the device. The liquid crystal display backlight includes: an emission light guide plate for emit... | 02/16/2010 |
| 7594743 | Illumination apparatus A point light source is converted into a plane light source having a satisfactory uniformity. The point light source is converted into a line light source by means of a linear light guiding plate, and further into the plane light source by means of a plane-like ligh... | 09/29/2009 |
| 7441934 | Lamp system A lamp system has a first light source which radiates light of a first chromaticity coordinate and a second light source which radiates light of a second chromaticity coordinate. The lamp system also includes an optical component for additively mixing the light of t... | 10/28/2008 |
| 7431489 | Enhanced light fixture An enhanced light fixture containing a volumetric, anisotropic diffuser to control the spatial luminance uniformity and angular spread of light from the light fixture is disclosed. The anisotropic diffuser provides increased spatial luminance uniformity and efficien... | 10/07/2008 |
| 7431481 | Modular surface light guide A light guide assembly includes a base and a light source that are removably secured to the base. The light source is oriented to emit light out and away from the base. A light distributor is spaced apart from the light source and distributes the light across the li... | 10/07/2008 |
| 7430358 | Elliptical diffusers used in displays A backlit light display comprises a light guide panel, a prismatic film, an asymmetric top diffuser and an LCD. A linear light source is disposed along a side face of the light guide panel. Light from the linear light source is transmitted though the light guide pan... | 09/30/2008 |
| 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 |
| 7407314 | Keypad light guide A light guide (20) for illuminating keys of a keyboard or keypad of a portable electronic device, includes an array of apertures (22) and a groove (21) at one end of the light guide. The apertures are configured to illuminate the keys via a ligh... | 08/05/2008 |
| 7400805 | Compact light collection system and method A light collection system includes at least one light source, a light tunnel having reflective walls and a collimating plate at the light output end of the tunnel. The collimating plate includes an optical element array. The element array receives the light emitted ... | 07/15/2008 |
| 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 |
| 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 |
| 7367706 | Illumination unit and liquid crystal display comprising it A liquid crystal display device according to the present invention has a lighting unit (UT) comprising a light guiding plate (3), a light source (2), a reflector (4), a reflecting sheet (5) and a housing (10), and a liquid crystal ... | 05/06/2008 |
| 7364338 | Systems for providing backlight module with stacked light source A system for providing a backlight module has a light guide plate and at least a light source set positioned adjacent to the incident surface. The light source set contains a plurality of light sources stacking along a direction parallel with the incident surface of... | 04/29/2008 |
| 7360905 | Compact optical engine for very small personal projectors using LED illumination According to various illustrative embodiments of the present invention, a device for a light projection system includes a single light emitting diode array comprising at least one green die, at least one blue die, and at least one red die, a single light collection,... | 04/22/2008 |
| 7357557 | Light guide plate A light guide plate comprises: a plate ember having a light transmitting capability; and a light incidence face provided on a side surface of the plate member; wherein the plate member changes a path of light emitted from a light source arranged to face the light in... | 04/15/2008 |
| 7354185 | Light guiding plate and backlight module using the same A back light module (3) includes a light guide plate (31) and a light source (30). The light guide plate includes a light incident surface (311), a light emitting surface (313), and a bottom surface (312) opposite to the lig... | 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 |
| 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 |
| 7333249 | Image reading device An image reading device includes light-emitting diode chips (11A-11C) and a light guide (3) having a main region (3A) and a subsidiary region (3B). The subsidiary region (3B) includes a light incident surface (31) loc... | 02/19/2008 |
| 7331694 | Illuminating unit and projection type image display apparatus using the same An illuminating unit having a plurality of light emitting devices and collimators and a projection type image display apparatus using the same are provided. The illuminating unit includes: a plurality of light emitting devices which output light beams of predetermin... | 02/19/2008 |
| 7325960 | Structure of bar-like side-emitting light guide and planar light source module A bar-like side-emitting light guide suitable for re-directing an incident light beam such that the light beam emerges from each side of the structure. The guide structure includes a light guiding bar having an upper surface and a lower surface and extending along a... | 02/05/2008 |
| 7324278 | Black matrix light guide screen display Provided is a black matrix light guide screen display. In a particular embodiment, provided are a plurality of aligned light guides, each having an input end, a midsection and a magnifying output end. A black matrix material is disposed adjacent to the light guides ... | 01/29/2008 |
| 7322711 | Combined instrument The invention relates to a combined instrument including a printed board, on which a light source is provided that generates light for illuminating a display, and including a frame, inside of which the printed board is accommodated. The display field is directly mou... | 01/29/2008 |
| 7309154 | Light guide plate, surface light source device and display A surface light source device for illuminating a displaying member of a display comprises a light guide plate and primary light source. Primary light enters into a first guiding portion through an end face (incidence face) thereof extending in an extending direction... | 12/18/2007 |
| 7306357 | Line light source using light emitting diode and lens and backlight unit using the same A line light source includes an illuminating bar having end portions opposite each other, and a light emitting diode disposed on each end portion of the illuminating bar. The end portions of the illuminating bar are each slant with respect to a vertical axis thereof... | 12/11/2007 |
| 7290906 | Vehicle lamp and method of use A lamp can include LED lamps as a light source. An optical guide path including a first reflecting surface and a second reflecting surface can be provided between the LED lamp and a lens that radiates an illumination light. The optical guide path can be integrally c... | 11/06/2007 |
| 7284886 | Moonroof for a motor vehicle The invention relates to a moonroof for a motor vehicle, the moonroof comprising a transparent wedge-shaped essentially solid body having a surface that is to be turned toward an interior space of a motor vehicle, and having a surface opposite the surface that is to... | 10/23/2007 |
| 7281834 | Method and apparatus for image illumination using self-contained luminaire A planar waveguide system includes a planar waveguide having a planar surface for emitting light, a back panel opposite the planar surface, and edge sides between the planar surface and the back panel. To reduce light energy losses during delivery of light from the ... | 10/16/2007 |
| 7278772 | Spread illuminating apparatus A spread illuminating apparatus includes at least one spot light source; and a light conductive plate which has the at least one spot light source disposed at one end surface thereof, and which has a plurality of ridges formed on at least one of two major surfaces t... | 10/09/2007 |
