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6053619 |
Backlight device
A backlight device includes: a light source; a light-guiding plate; and a reflector. The light-guiding plate has a first principal surface and a second principal surface provided so as to face each...
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6042241 |
Backlight with integral illumination source
A backlight assembly for liquid crystal displays uses a clear sheet of plastic or UV friendly resin as a light-pipe and has one or more fluorescent lamps located in a cavity along an edge of the...
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6039451 |
Sculptured transflector for dual mode active matrix liquid crystal display backlight
Disclosed are a backlight and avionics display using the same to provide light to a liquid crystal display (LCD) device. In the backlight, a day mode light source positioned on a first side of the...
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5961198 |
Liquid crystal display device and method of manufacturing backlighting light guide panel therefor
A light guide panel and liquid crystal display device including a liquid crystal cell array, a light guide panel or plate disposed on a rear surface of the liquid crystal cell array, and a light...
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5748376 |
High optical throughput liquid-crystal projection display system
A liquid-crystal projection display system with higher efficiency is provided. The liquid-crystal projection display system comprises a double-layer square-pillar-like integrator, including an...
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5748828 |
Color separating backlight
A backlight for use in a flat panel display backlight consists of three components, (1) a collimating means, optically coupled to a waveguide suitable for transmitting light, which collimates white...
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5709463 |
Backlighting for bright liquid crystal display
A bright bulb with a parabolic or elliptical reflector project light through a duct with internal reflective walls to a liquid crystal display having the same or smaller area than the reflector...
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5627926 |
Prism plate for efficiently emitting light flux within a predetermined range, and liquid crystal indicator and indicator illumination method using the same
An information indicator suitable for information processors such as personal computers, word processors and the like includes a light source, a scattering plate which scatters light from the light...
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5617251 |
Flat lighting device
An improved flat lighting device is provided. The flat lighting device comprises a light transmission member having a luminous surface formed on the front side thereof, a reflection surface on the...
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5607219 |
Headlight for motor vehicle
A headlight for a vehicle has a pot-shaped housing (1) which is closed at its front side by a light-transmissive shield (2). A reflector (4, 13) is mounted in an interior space formed by the...
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5465193 |
Front light guide for liquid crystal device with stairstep element which emits light
A front lighted liquid crystal display assembly (10) comprises a liquid crystal display (22) and a substantially clear lens (11) mounted above the liquid crystal display. The clear lens has a...
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5459645 |
Wide angle light coupler for image illumination
Back lighting for an transmissive display panel such as a transparency or a liquid crystal display for direct viewing or image projection is afforded by a light source spaced from the display panel...
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5434755 |
Illumination system for a light emitting panel
A system for illuminating a light emitting panel for backlighting a visual display positions the panel behind the visual display at a front wall of a processor cabinet. The light emitting panel has...
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5390276 |
Backlighting assembly utilizing microprisms and especially suitable for use with a liquid crystal display
An assembly for backlighting a liquid crystal display is disclosed herein along with the liquid crystal display itself and a specific light polarization arrangement. The assembly for backlighting...
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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,...
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5359691 |
Backlighting system with a multi-reflection light injection system and using microprisms
An assembly for backlighting a liquid crystal flat panel display or other such arrangement requiring backlighting is disclosed herein. The assembly is composed of a multi-reflection light injection...
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5307245 |
Fiber optic backlighting panel and zig-zag process for making same
An improved fiber optic backlighting panel provides uniform and increased background illumination in devices, such as rubber keypads, membrane switches, liquid crystal displays, rigid panels or the...
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RE34492 |
Combination lamp and integrating sphere for efficiently coupling radiant energy from a gas discharge to a lightguide
A collimated light source is provided which combines the functions of lamp and integrating sphere into one unit for efficiently coupling radiant energy from a gas discharge to a lightguide. The...
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5202950 |
Backlighting system with faceted light pipes
A light pipe used for backlighting liquid crystal displays has a planar front surface and a stair-stepped or faceted back surface. Light is injected from the ends of the light pipe from cold- or...
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5151725 |
Apparatus and method for editing film
A film editing table includes a light source mounted away from the editor's sitting position, with a light guide transmitting the light to the film editing table's optics to produce images on the...
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5101325 |
Uniform illumination of large, thin surfaces particularly suited for automotive applications
A thin, efficient and uniform illuminator for large areas comprises a plastic wedge of a series of plastic wedges applied to or formed integrally with a back surface of an area to be illuminated....
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5050946 |
Faceted light pipe
A light pipe used for backlighting liquid crystal displays has a planar front surface and a stairstepped or faceted back surface. Light is injected from the ends of the light pipe from cold or hot...
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4980803 |
Illuminated lever position indicator
A housing has a window with a plurality of panes. There is a light guide member in the form of first and second plates meeting at right angles. The first plate has white indicia painted on it and...
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4974122 |
Compact LCD luminaire
A compact backlighting luminaire is provided for liquid crystal displays (LCDs). The body of the luminaire is formed of optically clear glass or acrylic resins. The body comprises a mesa extending...
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4915479 |
Liquid crystal display illumination system
An illumination system is provided for a liquid crystal display panel. The panel 1 is placed to transmit light 2 from a light source 3 to a viewing location, the light source being an extended area...
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4735495 |
Light source for liquid crystal display panels utilizing internally reflecting light pipes and integrating sphere
This invention relates to a collimated light source for a flat panel liquid crystal display which uses a high intensity light source positioned in an integrating sphere. One or more tapered light...
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4640592 |
Optical display utilizing thermally formed bubble in a liquid core waveguide
An optical device comprises an optical waveguide having, as a basic unit, a core layer of a liquid having a relatively high refractive index and a clad layer having a relatively low refractive...
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4177501 |
Illuminated keyboard
An illuminating arrangement utilizes a sheet-type light-pipe. Light is reflected upwardly to the areas to be illuminated by providing the light-pipe with selectively roughened portions on its rear...
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3857361 |
COMBINED VHF AND UHF DISPLAY SYSTEM
A channel numeral display system for use in television tuners or the like of the type having VHF and UHF band tuners and separate rotary control shafts to condition each of the tuners includes...
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3578973 |
SELF-LUMINOUS LIGHT SOURCES EMPLOYING FIBER OPTICS
A self-luminous light source in which "fiber optic" light transmission media are utilized to transmit light from a radiation-excited light source to one or more light display locations at...
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3358167 |
Jacketed discharge lamp
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3283651 |
Information encoding device
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3208174 |
Illumination devices
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3163949 |
Digital illuminated display device
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3566602 |
Title is not available
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