Matches 301 - 350 out of 415 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
6028649 Image display systems having direct and projection viewing modes  
A transportable image display system having direct and projection viewing modes of operation. The image display system comprises a spatial light modulation structure for spatially modulating the...
6025894 Scatter control member for organic electroluminescent light source for passing light with or without scattering depending upon an incident angle  
An organic electroluminescence device is placed as a back light of a liquid crystal display panel. The organic electroluminescence device is constituted by a front electrode (#112) having...
6023316 Back lighted liquid crystal display and method of manufacture thereof  
A liquid crystal display includes a liquid crystal panel, a directional back light and light diffusing means. The liquid crystal panel is of the transmission type having a front face and a back...
6011601 Backlight system for liquid crystal display comprising prism lens having apex angle of 80°-85° and refractive index of 1.57-1.59  
A liquid crystal display comprises a liquid crystal display device (30), a backlight system (20) provided with a prism lens sheet (10). The lens sheet comprises a transparent base sheet (11), and a...
6011602 Lighting apparatus with a light guiding body having projections in the shape of a trapezoid  
6008871 Transflective liquid crystal display device having a reflective polarizer  
A transflective liquid crystal display device comprising a liquid crystal panel made of liquid crystal compound sandwiched between a pair of opposing substrates having transparent electrodes, a...
6002464 Light diffusing sheet having a layer incorporated with light diffusing material and a layer with a corrugated surface  
A light diffusing sheet including a clear film (#1) and two light diffusing layers (#2 and #3) formed consecutively thereon. The diffusing sheet is characterized in that the first light diffusing...
5999238 Filter device and backlight device  
A filter device is mounted in a backlight device for illuminating a transmission type liquid crystal display panel from the rear surface side. The filter device includes a sheet having a polygonal...
5986728 Optically enhance day/night liquid crystal display backlight with TIR lens and both light sources on same side of waveguide  
Light emitting devices are combined with non-imaging optical elements to create a backlighting system for liquid-crystal displays (LCDs). A pair of optically isolated sub-systems, or sections a...
5966192 Surface light source device and a liquid crystal display  
Provided are a surface light source device whose bright surface is excellent in whiteness and softness and a liquid crystal display that ensures a high visual quality. A relatively thick side end...
5963280 Backlighting device and color display device  
To achieve a backlighting device having excellent light utilization, there is provided an edge lighting-type backlight having a light guiding member, a high-refractive-index layer formed thereon...
5956106 Illuminated display with light source destructuring and shaping device  
A light source destructuring and shaping device which both homogenizes and imparts predetermined directionality to light rays emanating from a light source is disclosed. The device comprises a...
5956107 Diffusion optical guide plate, and backlight source and liquid crystal display apparatus using the same  
The diffusion optical guide plate of this invention includes a transparent plate having the first plane, the second plane and side faces; and a light scattering controlling means for scattering...
5949402 Optical alignment method for pointing devices  
This invention provides an optical pointing device, such as those used to control devices such as televisions, VCRs, video games and computers, which have improved accuracy and lower sensitivity to...
5943166 Stereoscopic image display apparatus including a parallax barrier and an optical element including diffraction means  
This invention relates to a stereoscopic image display apparatus, which comprises a two-dimensionally array of light modulation elements for modulating light in correspondence with a stripe...
5940215 Discretely applied diffusor structure on lightguides  
A applied diffusor structure for lightguides fabricated out of a flexible transparent film substrate. The substrate having high resolution complex patterns printed on the surface of the substrate...
5936751 Reflective image-providing display viewed with holographically diffused ambient light  
Reflective image-providing displays viewed with holographically diffused light are provided. As one particular and preferred embodiment, a liquid crystal display component is presented comprising a...
5931555 Background lighting apparatus for liquid crystal display  
A background lighting apparatus includes a light entering edge surface around substantially the entire periphery of a highly specular transparent plate wherein light beams enter from peripheral...
5926293 Holographic transflector  
A light-diffusing holographic transflector comprising a holographic layer and a transflective layer is disclosed. The transflector is capable under good ambient lighting conditions of illuminating...
5926601 Stacked backlighting system using microprisms  
An assembly backlighting a liquid crystal flat panel display or other such arrangement requiring backlighting is disclosed herein. The assembly includes a plurality of light pipes and is capable of...
5897184 Reduced-thickness backlighter for autostereoscopic display and display using the backlighter  
A reduced-thickness backlighter for an autostereoscopic display is disclosed having a lightguide and at least one light source parallel to an edge of the lightguide so as to be substantially...
5896229 Discretely applied diffusor structures on lightguides  
A applied diffusor structure for lightguides fabricated out of a flexible transparent film substrate. The substrate having high resolution complex patterns printed on the surface of the substrate...
5886799 Polarizing holographic reflector module and method for the manufacture thereof  
The present invention provides a polarizing holographic reflector module useful in the manufacture of a holographically-illuminated liquid crystal display assembly by combination thereof with a...
5886759 Liquid crystal display device having a side edge type back light system with a hue layer in the vicinity of the light source  
In order to provide a liquid crystal display (LCD) device capable of improving the display quality by preventing light leakage in the end portion of a display window on the side adjacent a...
5883607 Computers comprising scratch resistant optical films  
A film that exhibits increased scratch resistant characteristics. The film is formed from a layer of crosslinkable oligomeric resin composition on a base. The film is made by: forming the layer of...
5877829 Liquid crystal display apparatus having adjustable viewing angle characteristics  
A liquid crystal display apparatus includes: a liquid crystal display device; an illumination device for irradiating the liquid crystal display device with collimated light; and a control device...
5870156 Shadow mask for backlit LCD  
A backlit liquid crystal display device having company branding. The device includes a liquid crystal display, a diffuser panel with associated lighting means, and a reflector panel to re-direct...
5852483 Back illuminated LCD apparatus with light attenuating means for even light distribution and method of manufacture  
An improved illuminated LCD apparatus of the type comprising a PCB (7;10) upon which are mounted a liquid crystal display (1), at least one light source (3), a light guide (2) disposed between the...
5839812 Flat parallel light source  
The present invention relates to a flat parallel light source using the principle of the mirror reflection and diffuse reflection, which comprises a light source, a diffuse reflective chamber with...
5838403 Liquid crystal display system with internally reflecting waveguide for backlighting and non-Lambertian diffusing  
Systems and methods for providing an LCD with a collimated backlight and a non-Lambertian diffuser are described. An LCD system includes: an illumination source for producing light; a collimating...
5831698 Electrically variable diffuser  
A display having an electrically variable diffuser is disclosed. In response to an electric field, the electrically variable diffuser is electrically switched from a low illumination/narrow viewing...
5831765 Two-dimensional/three-dimensional compatible type image display  
The 2-D/3-D compatible type image display according to the present invention is constructed by arranging a liquid crystal panel which is a display panel, a dispersed type liquid crystal panel which...
5828471 Illumination system and display device  
An illumination system includes a polarization selective holographic element, which includes at least one optically anisotropic material, arranged to separate light of a first polarization type...
5828427 Computer-based image display systems having direct and projection modes of viewing  
An electro-optical backlighting panel construction for use in portable computer-based systems having direct and projection viewing modes of operation. In the illustrative embodiments of the present...
5801793 Backlighting construction for use in computer-based display systems having direct and projection viewing modes of operation  
A reconfigurable backlighting construction for use in portable computer-based systems having direct and projection viewing modes of operation. In the illustrative embodiments of the present...
5796450 Illumination device and liquid crystal display apparatus including same  
An illumination device includes a plurality of linear light sources disposed with a prescribed spacing therebetween, a light guide means disposed between or among the linear light sources, and a...
5784129 Electro-optical apparatus utilizing electro-optical modulating devices to provide a synthesized color image  
An electro-optical device includes a light amplifying portion comprising a first substrate having a transparent conductive film, a photoconductor whose electric resistance is lowered in accordance...
5768095 Portable computer having overhead projection capability and back lid portion with switch controlling backlight  
A portable computer is adapted for use with an overhead projector and includes a main body having a keyboard on its upper face and a lid, which is hinged to the rear edge of the main body. The lid...
5751386 Illumination device with luminance distribution adjusting reflection plate and liquid crystal display apparatus including same  
An illumination device includes: a linear light source; first reflection means disposed opposite to and with a spacing from the linear light source; a light guide means disposed between the linear...
5751390 Enhanced off-axis viewing performance of liquid crystal display employing a fiberoptic faceplate in conjunction with dual negative retarders and a brightness enhancing film on the illumination source  
A transmissive, backlit color twisted-nematic or super-twisted-nematic liquid crystal display employing a front fiber-optic faceplate or optical equivalent as a front retaining element of a liquid...
5742367 Liquid-crystal display device having a stacked arrangement of an LCD for displaying an image, a liquid crystal shutter, and a solar cell panel  
A liquid-crystal display device including a transmission-type liquid-crystal panel for displaying an image, a power source circuit for driving the liquid-crystal panel, a solar-cell panel disposed...
5739879 Backlighting device for liquid crystal displays  
An improved high energy utilization efficiency backlighting device for liquid crystal displays is disclosed. It comprises: (a) a UV lamp with a UV transmitting quartz envelop for emitting and...
5739931 Illumination system employing an array of microprisms  
An optical illumination system comprising a waveguide that accepts light generated by a diffuse light source and transmits the light via total internal reflection. Attached on one face of the...
5729310 Lighting apparatus  
A lighting apparatus constructed by holding a linear light source, a radiating plate, a reflecting plate, a light guiding plate, a diffusing plate, and a lens between upper and lower frames. One of...
5726722 Light source for display device  
A rear right source device having a lamp chamber in which straight-tube light source lamps are arranged in the vertical direction. The light source device includes a ventilating hole formed on the...
5720545 Refracting optic for fluorescent lamps used in backlighting liquid crystal displays  
The present invention is a liquid crystal display with an improved backlighting system. A light source in the backlighting system radiates light in a first non-preferred direction. An optical...
5716681 Scratch resistant optical films and methods for producing same  
A film that exhibits increased scratch resistant characteristics. The film is formed from a layer of crosslinkable oligomeric resin composition on a base. The film is made by: forming the layer of...
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...
5684550 Liquid crystal display device having a diffuser integrally formed with a prism plate  
A liquid crystal display device in which a back light is arranged below a liquid crystal display panel having a plurality of pixels arrayed on a transparent substrate surface and in which a prism...
5673999 LCD backlighting method and apparatus using a xenon flash tube including drive circuit  
An liquid-crystal display panel is illuminated by one or more xenon flash tubes as a backlighting source. The LCD backlight includes a back reflector, a reflecting cavity, and a light diffuser. The...
Matches 301 - 350 out of 415 < 1 2 3 4 5 6 7 8 9 >