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8177366 Stereoscopic image projecting system using circularly polarized filter module  
A stereoscopic image projection system using a circular polarization filter module is provided. Even though this system uses a single projector, it allows left and right images to have different...
8169554 Projection display apparatus and display method using the same  
A projection display apparatus has a beam controller provided on the optical axis of an optically-modulated linearly-polarized beam, to allow the beam to travel therethrough to reach a screen or...
8149341 LCD apparatus  
An LCD panel (214) is provided on the light-incidence side thereof with a reflective polarizer. An optical compensator (213) is provided between a reflective polarizer (211) and the LCD panel (214)...
8144269 Reflective LCOS displays utilizing novel polarizing beam splitters  
Disclosed are display systems using reflective liquid-crystal microdisplays that efficiently use unpolarized light sources without needing to double the étendue of the source as occurs with ...
8144293 Liquid crystal display apparatus capable of limiting view angle  
A liquid crystal display apparatus has a liquid crystal display device, a surface light source, and a view angle limiting device arranged between the surface light source and the liquid crystal...
8142022 Image display apparatus  
An image display apparatus includes an illumination optical system that includes first and second beam splitting units, a first polarization conversion element, third and fourth beam splitting...
8130331 Projection-type display apparatus  
Provided are an illumination optical system allowing light beams to be condensed and enter an illumination area at different angles from each other, color separating elements that separate colors...
8125598 Method of forming an alignment layer, and apparatus for forming the alignment layer  
A method of forming an alignment layer includes; providing a substrate having a base substrate and a photosensitive polymer layer disposed on the base substrate, the base substrate including a...
8118437 Optical device and projector  
An optical device that includes a light modulation device, a projection optical device, and a retention member that holds the light modulation device and the projection optical device. The...
8111348 Liquid crystal display device with polarizing filter in housing to block outside light  
A liquid crystal display device includes a housing, a liquid crystal panel provided in the housing and comprises first and second transparent substrates spaced from each other at predetermined...
8111338 Beam shaping device  
A beam shaping device (1; 50; 60) comprising first (3) and second (4) substrates, a liquid crystal layer (2) sandwiched between the substrates, and a first electrode layer (5; 51) provided on a...
8107020 Color-based microdevice of liquid crystal on silicon (LCOS) microdisplay  
The invention pertains to an improved LCOS microdevice that eliminates colored lights required generally in a prior art system. According to one aspect of the present invention, the LCOS structure...
8107021 Liquid crystal projection apparatus utilizing image synthesizing unit with liquid crystal panel holders  
A liquid crystal projection apparatus having an image synthesizing unit including a color synthesization prism having an upper surface, a lower surface facing the upper surface, and three light...
8098339 Integrated single panel projection engine  
The present invention discloses an integrated single-panel projection engine (500) including a collimated light source (400), a main polarization beam splitter (200), a supporting polarization beam...
8094246 Polarization conversion device, polarized illumination optical device, and liquid crystal projector  
A polarizing split layer and a reflection layer are alternately provided on bonding surfaces between prism rods which constitute a polarized beam splitter array. Polarization conversion devices are...
8066380 Projector-type image display apparatus  
At least one exemplary embodiment is directed to a projector which includes several optical elements, reflective devices and beam splitters, arranged to reduce back reflection effects. At least one...
8066382 Stereoscopic projector with rotating segmented disk  
A stereoscopic digital image projecting system has a light source system providing polarized illumination having a first polarization state and a beam splitting system with a rotating segmented...
8049824 Single-layer birefringent crystal trim retarders  
A single-layer birefringent crystal trim retarder includes a birefringent crystal cut such that its optic axis is at a high oblique angle and such that it provides low in-plane retardance values...
8049841 Wire grid polarized and liquid crystal display device using the same  
An image is displayed by modulating TM-polarized light between the polarizer 2 and the wire grid polarizer 18 through the variation of the optical characteristic of the liquid crystal layer 12...
8042951 Illuminant module and optical projection device  
An illuminant module includes a lamp including a lampwick, a reflector and a guide cap, a lamp holder, a blower, and an axial fan. At least one portion of the lampwick is disposed in the reflector....
8038298 Projector device  
A liquid crystal projector device of the present invention includes an optical system for receiving light from a lamp unit. The optical system is provided with a polarization beam splitter for...
8035758 Image display apparatus with light path separation to return a polarized light component  
An image display apparatus includes a polarization conversion element which converts second color light of unpolarized light emitted from a light source into a first linear polarized light, and a...
8035759 Polarization conversion device, polarized illumination optical device, and liquid crystal projector  
Polarizing split layers 26 and reflection layers 27 are provided on bonding surfaces between prism rods 24a and 24b. Polarization conversion devices 25 are bonded to an emission surface from which...
8026986 Projection type display device  
A projection type display device is provided to display high quality images. In the device, a WB-PBSW 2 is inclined to liquid crystal display devices 1r, 1b, 1g and has wire grids 2a parallel with...
8011789 Rear projection display  
A rear projection display includes a projector for projecting light from a light source as an optical image, an exterior cabinet for enclosing the projector, a projection screen provided for the...
7993017 Projection display apparatus  
A projection display apparatus 101 in which the light quantity adjusting means has a simple and readily interchangeable structure, and which can improve image quality by adjusting the quantity of...
7982959 Head-up display  
A novel HUD (Head-UP Display) design in which the image forming source producing flight and aiming symbolic information is based unlike conventional HUDs not on projecting CRT, but on two LCD...
7959297 Uniform speckle reduced laser projection using spatial and temporal mixing  
A digital image projector includes a light assembly configured to project light along a light path from at least one laser array light source, the projected light having an overlapping far field...
7948575 Liquid crystal display device having particular polarizing filter in housing  
A liquid crystal display device includes a housing, a liquid crystal panel provided in the housing and comprises first and second transparent substrates spaced from each other at predetermined...
7936403 Liquid crystal display apparatus having both organic and inorganic polarizers  
A liquid crystal display apparatus is provided. The liquid crystal display apparatus includes at least one incidence-side polarizer, a liquid crystal panel, at least one output-side polarizer, and...
7931376 Beam combining device and projector having such beam combining device  
A beam combining device and a projector having such a beam combining device are provided. The projector includes a first color light source, a second color light source, a third color light source,...
7920226 Display comprising plurality of birefringent protrusions on a waveguide of a backlight  
A display comprises: a transmissive pixilated spatial light modulator (21); and a backlight (22). The backlight has a light-transmissive waveguide (26), with a first face of the waveguide being...
7905605 Multi-primary LED projection system  
A multi-primary light emitting diode system includes the use of a polarization based dichroic element to combine light from different color channels. At least one of the color channels includes two...
7878656 Stereo projection optical system  
A stereo projection optical system includes a first polarizing beam splitter, a transmission-type light modulator positioned to receive the first polarized light component from the first polarizing...
7862182 Optical system for a projector, and corresponding projector  
Optical system for a projector, comprising: at least a first polarizing beam splitter for splitting a source illumination beam into a first illumination beam linearly polarized along a first...
7845800 Polarization converting element and projector provided with same  
A polarization converting element includes: a main body that is made from a transparent member; an incident section that is provided to the main body, and upon which light generated from a light...
7845803 Projector apparatus  
The invention enables efficient cooling of: a light source providing source light; an optical system adapted to split the source light received from the light source into three primary colors R, G,...
7845802 Illumination apparatus and projection display apparatus  
An illumination apparatus includes a plate-like separation optical element having a dichroic surface and a PBS surface. The dichroic surface reflects green component light and transmits yellow...
7847899 No-contact alignment apparatus and no-contact alignment method  
An exemplary alignment apparatus (2) includes a light source (50) for emitting light (501), a polarized light generator (51) for receiving the light and generating polarized light (504), a...
7830479 Liquid crystal display and electronic paper utilizing the display  
The liquid crystal display includes a first display unit, a second display unit, a light absorbing layer disposed on a bottom surface of the first display unit so as to absorb light which has...
7808587 Liquid crystal display apparatus and liquid crystal panel  
A light-shielding plate and a first light-shielding layer are arranged between a polarizing plate and a liquid crystal layer in a peripheral region of a liquid crystal panel so that linearly...
7798649 Illumination apparatus and projection-type image display apparatus  
An illumination apparatus includes: a red light valve configured to modulate red component light according to a red input signal; a green light valve configured to modulate green component light...
7794089 Liquid crystal projection system  
A liquid crystal projection system includes a light source module, a light management module, an image signal module and a projection lens. The light source module provides an illumination light...
7787080 Reflecting element and projection system comprising the same  
A projection system includes a projector that emits imaging light, a polarization screen that selectively reflects, of the imaging light, only light in a specified state of polarization, and a...
7773163 Reflective liquid crystal display device and projection display apparatus using the same  
A reflective liquid crystal display device combined with an optical system with a wire grid is provided for light modulation by a liquid crystal layer. This layer, made of nematic liquid crystal...
7753534 Projection device and projection control method  
There is disclosed a projection device which includes a light source constituted of a reflector and a light source lamp, a projection system including a projection encoder for forming a light image...
7717564 Projection system including intrinsic polarizer  
A projection system includes a light source producing illumination light, an imager disposed to receive the illumination light, and a projection lens disposed to receive the illumination light from...
7714944 Projection system  
The main object of the present invention is to present a projection system excellent in visibility from inside of projection system to outside, and capable of obtaining a sharp contrast display...
7701537 Optical diode  
An optical diode. A cholesteric liquid crystal (CLC) layer has a selective reflection wavelength band with a left-handed helical structure, and a phase shifter for changing a phase difference...
7690794 Image-combining device and projection display apparatus having image-combining devices incorporated therein  
An image-combining device comprising of a polarizing beam-splitter, two waveplates and two reflective micro-electro-mechanical display panels is described. It combines images with orthogonally...
Matches 1 - 50 out of 393 1 2 3 4 5 6 7 8 >