Matches 1 - 50 out of 50
Match Document Document Title
7614758 Backlight for color liquid crystal display apparatus  
A backlight for a color liquid crystal display apparatus includes a first light-guide plate; a first incidence part for receiving light of a first primary color in a first area on a first lateral...
7615920 Light emitting device and display apparatus using the same  
Disclosed are a light emitting device and a display device using the same. The light emitting device includes a first electrode formed on a top surface of a substrate and a second electrode formed...
7611273 Point light source, light-emitting module and display device having the same  
A point light source includes a body, a light-emitting unit and a fluorescent unit. The body includes a bottom portion and a protrusion portion protruded from the bottom portion. The light-emitting...
7597467 Lighting unit and liquid crystal display device using the lighting unit  
In a liquid crystal display device using LEDs emitting a plurality of colors as the light sources, diffusion materials are dispersed in a light guide plate. The light guide plate is used to guide...
7553056 Backlight unit  
A backlight unit that converts ultraviolet light emitted from light-emitting lamps into visible light is disclosed. The backlight unit also reflects the visible light, thus achieving improved...
7543976 Lighting system for generating light and an image  
A lighting system to be used as an architectural panel or wall or communication device. The system works as a decorative or marketing element comprising a structural framework. The framework...
7534025 Thin backlight with flipped light emitting diode  
One or more LEDs are mounted within an LCD without the use of any printed circuit board (PCB), thus reducing the thickness of the LCD by about the thickness of the conventional PCB. In one...
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...
7413331 LCD with multi-color optical unit and cross dichroic device  
The present invention relates to a backlight apparatus and a liquid crystal display apparatus, capable of realizing a backlight apparatus having high color reproductivity without color...
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...
7322731 Color mixing illumination light unit and system using same  
An illumination light unit includes at least two light sources that generate light at different wavelengths. The illumination light unit also includes a reflecting cavity having one or more...
7318665 Corner enhancing device for light guide plate of backlight module  
A light guiding device to compensate insufficient lighting in a light guide plate's corner areas is provided. The light guiding device is positioned on the inner side of the lamp reflector...
7270461 Backlight unit and liquid crystal display utilizing the same  
A backlight unit for a liquid crystal display. The backlight unit in a liquid crystal display includes a light source having a plurality of basic cell structures. Each basic cell structure consists...
7246932 Data display device  
A data display device including a light-guide element made of an optically transparent material having at least two polished surfaces faced to one another, whereby at least one surface contains at...
7241040 Backlight assembly and liquid crystal display apparatus having the same  
A backlight assembly includes a light supplying part and a light guide plate. The light supplying part includes a white light source and a monochromatic light source that generates a monochromatic...
7220041 Planar light source device  
Disclosed is a planar light source device comprising a light generation device comprising at least two light-emitting elements; a light-mixing device for mixing a generated light from the light...
7213939 Hue adjusting lighting system  
This disclosure describes a lighting apparatus comprising a light hue modulating device that generates compensating light to adjust the light to a desired hue within a space regardless of the hue...
7123796 Light emissive display based on lightwave coupling  
A light emissive display having a specular waveguide that propagates short wavelength light and photoluminescent features adjacent to the waveguide that fluoresce, for example, in visible red,...
7114840 Exit sign illuminated by selective color LEDs  
An exit sign comprising a housing and a plurality of red and green color LEDs having the capability of being selectively activated to produce either red light or green light. The plurality of LEDs...
7086771 Lighting unit and liquid crystal display device including the lighting unit  
A lighting unit includes a reflector, a plurality of light-emitting elements and a controller. The light-emitting elements are respectively provided on the reflector for a plurality of...
7044625 Light-emitting apparatus able to dynamically produce lights of different wavelengths  
A light-emitting apparatus able to dynamically produce lights of different wavelengths comprises a light source, a lamp holder surrounding the light source and having a notch, and a...
7018060 Light unit for display device  
A light unit for a display device is used as a back light of an LCD panel and adapted to allow light entered from the side to exit in a perpendicular direction. The light unit includes a light...
6988813 Light panel with enlarged viewing window  
The invention relates to a light panel ( 12 ), comprising: a light guide having a front surface defining a viewing window ( 11 ), a back surface and sides ( 3, 4 ) between the front and back...
6976779 Planar light source device and liquid crystal display device using the same  
The liquid crystal display device has red, green, and blue LEDs, each emitting a different color light, as a light source. An acrylic lens is mounted on the emission surface of the LED to change...
6955459 Vehicular marker lamp  
A vehicular marker lamp including an auxiliary light emitting portion disposed near a tail/stop lamp (a main light emitting portion) having a red exterior appearance which is a lamp function color...
6923548 Backlight unit in liquid crystal display  
A backlight unit in a liquid crystal display enabling to realize high brightness over 2000 nit and provide a thin backlight unit is described. In a backlight unit using LED as a backlight lamp in a...
6854854 Illumination system and display device  
A backlight system includes at least first and second light-emitting panels ( 1; 11 ) having a front wall ( 2; 12 ), an opposing rear wall ( 3; 13 ) and opposite edge surfaces ( 4, 14; 5, 15 ). At...
6843587 Surface light source apparatus, and method and apparatus for manufacturing the same  
An apparatus for manufacturing a surface light source apparatus in which a light guide pattern portion is formed on a light guide panel includes a pattern design system to which data about a...
6827457 Light pipe, planar light source unit and reflective liquid-crystal display device  
A light pipe having a plate-like substance having an upper surface, a lower surface opposite to the upper surface, an incidence side surface, and an end surface opposite to the incidence side...
6773126 Light panel with improved diffraction  
A light panel that includes a light source and a panel element operatively connected to the light source. The panel element includes a substantially transparent light transmitting material and is...
6704071 Light guide capable of optically changing color of light  
A light guide capable of optically changing color of light is disposed on a liquid crystal display. A lighting module having the light guide is disposed under the liquid crystal module of the...
6655825 White light source for LCD backlight  
A white light is provided for backlighting a liquid crystal display by directing red green and blue light into the first end of a color mixing optical fiber, mixing the red green and blue light in...
6637905 Method and system for providing backlighting utilizing a luminescent impregnated material  
An apparatus is directed to providing backlighting utilizing luminescent impregnated material. The apparatus includes a radiation source providing a first radiation and a filter layer optically...
6607280 Projection apparatus  
In a projection apparatus, a light beam emitted by a light source is guided to a modulation element for forming an image. The light beam emerged from the modulation element is projected onto a...
6582091 Illumination device  
A front-end surface illumination device is provided which is high in visibility when it is illuminated or not, low in power consumption, and compact. When a light beam emitted from an organic...
6528937 Display device including a light guide with movable element for emitting visible light when excited by ultraviolet radiation  
A display device has a light source and a display part including a light guide, a movable element, and selection means to locally and selectively bring the movable element into contact with the...
6523966 LCD display with multi-color illumination means  
An illumination apparatus wherein in case a liquid-crystal display is lighted with plural colors using a body of luminous elements composed of plural luminous elements, a character, a mark and...
6357904 Linear illumination device  
A linear illumination device includes a thin and long rectangular parallelepiped optical waveguide member for linearly diffusing light and has a basic construction, which uses a red color light...
6315440 Multicolored illuminator and portable information apparatus having the same  
An illuminator comprises: a printed board 9; light-emitting element bodies 23 mounted on this printed board 9 and each including a plurality of light-emitting elements which are different in wave...
6308444 Light illuminated display board and lampshade using light refraction and reflection effect of transparent acrylic plastic plates  
A light illuminated display board and a lampshade using a light refraction and reflection effect in laminated transparent acrylic plastic plates is disclosed. The plastic plates are precisely cut...
6288700 Light emitting flat panel device which uses light guide routes to directly send light into a matrix of electronic shutters  
In relation to a light emitting flat panel device used as a back light for monocolor or multicolor image display, or for illunmination or decoration uses, a very thin and low power consumed light...
6181391 Color display device with one light source on one side and two light sources on the other side of the light guide plate  
A color display device has a single light guiding plate, and first, second and third light sources that respectively independently exhibit three primary colors. On a one end surface of the light...
6050704 Liquid crystal device including backlight lamps having different spectral characteristics for adjusting display color and method of adjusting display color  
A liquid crystal display (LCD) device including an LCD panel having liquid crystal cells, a color filter, and fluorescent lamps for back lighting located at a rear side of the LCD panel. The light...
5810463 Illumination device  
An illumination device for an image input device includes a cylindrical light guiding unit, a board having a plurality of light emitting diode elements, a connection member connecting the light...
5695269 Multi-color display lighting by led  
An LCD display is backlit by a main light pipe with LEDs of a first color along one edge or opposed edges which uniformly flood the display with the first color, and with an LED of a second color...
5375043 Lighting unit  
Disclosed is a lighting unit of an indirect type, capable of varying the luminance and color of illumination with respect to a target to be lit thereby ensuring an effective display of the target,...
5276591 Sign with indirect illumination from light emitting diodes  
An illuminated sign system using high brightness LEDs and a translucent graphic panel with suitable opacity for the transmission of light. The graphic panel is illuminated by light from the LEDs...
5070431 Display board illuminating device for passive displays  
A display board illuminating device includes a light guide plate arranged to face the back of a display board and a light source disposed to face the side end of the light guide plate. The side end...
4996632 Multi-color illuminating system  
An arrangement and method for providing an elongated light source, such as for illuminating a sign or the like or for other display, which includes emitting light from an exterior light source into...
4257084 Display device  
A light-projection device for digital instrumentation consists of a one-piece body including reflective and diffusive surfaces and a chamber to locate a plurality of sources of varicolored light....
Matches 1 - 50 out of 50