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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...
8144270 Color filter device and method for fabricating the same  
A liquid crystal on silicon (LCoS) panel is disclosed. The LCoS panel includes: a substrate having at least one metal-oxide semiconductor (MOS) transistor thereon; a pixel electrode array disposed...
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...
8111339 Liquid crystal projector and control method for liquid crystal projector  
A liquid crystal projector which projects a three-dimensional imaged based on image signals for the left and right eyes including: a liquid crystal panel into which an image for the left or right...
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...
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....
8045006 Method and apparatus for determining the best blending of overlapped portions of projected images  
A best blending function from among a plurality of blending functions is determined. Each of the plurality of blending functions smoothes an overlap region of at least two projected images. The...
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...
8029143 Illumination system  
An illumination system for providing an illumination beam to a light valve is provided. The illumination system includes a light source, a light integration rod, a color wheel, a first focusing...
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...
7988298 Projector having a shifted or rotated optical axis  
A projector includes a lighting optical system for emitting a lighting beam, a color separation/light guiding optical system for separating the lighting beam from the lighting optical system into...
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...
7959299 Projector having reduced color shading  
A projector including a lighting device for emitting light including first, second and third colored light beams. A first dichroic mirror separates the light into the first colored light beam by...
7959300 Projected image display unit  
A projection image display device including a display plane for displaying an image, a projection mechanism projecting an image on the display plane, and an imaging mechanism arranged on the same...
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...
7959296 Combining P and S rays for bright stereoscopic projection  
A multiple path stereoscopic projection system is disclosed. The system comprises a polarizing splitting element configured to receive image light energy and split the image light energy received...
7914150 Method of driving a spatial light modulator and projector  
To reduce the color break-up and to provide high quality projection images. A method of driving a spatial light modulator, including generating a sub-frame pulse signal for a first colored light R1...
7891824 Reflector for a lighting device and illumination system of a projection apparatus  
A reflector for the lighting device and an illumination system of the projection apparatus are provided. The reflector comprises a first reflecting structure and a second reflecting structure...
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...
7862179 Dual-mode projection apparatus and method for locating a light spot in a projected image  
A dual-mode projection apparatus has a projection module for projecting an image onto a projection surface. An image sensor module captures images of the projection surface and determines spatial...
7862185 Mobile phone  
A casing 20 of a mobile phone body is provided with a sub-liquid-crystal display panel 23, a projector lens 26, a light source 35 including an LED. The sub-liquid-crystal display panel 23 and the...
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...
7857455 Combining P and S rays for bright stereoscopic projection  
A multiple path stereoscopic projection system is disclosed. The system comprises a polarizing splitting element configured to receive image light energy and split the image light energy received...
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...
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...
7773109 Image capture and display device  
A display device for capturing and displaying images along a single optical axis, having an image capture device for capturing the objective image through the display panel when the display device...
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...
7623189 Stereoscopic image display device comprising transmissive liquid crystal display element  
A display device includes an image display unit having one surface and the other surface on which first and second images are respectively displayed. A first optical system leads a first image...
7575327 Image display apparatus  
An image display apparatus includes: a light source; a first light modulation element which has a plurality of pixels whose light modulation characteristics can be independently controlled and...
7564509 Illumination of objects using spatial light modulators  
Apparatus for illuminating an object comprising a first polarizing beamsplitter (2) which produces a first linearly polarized component (3) and an orthogonally polarized component (5). The two...
7557867 Optical engine and image projecting apparatus having the same  
An optical engine is provided that includes a base frame, a video device assembly for generating a video signal, and a driving substrate detachably coupled to the video device assembly for driving...
7528892 Projector device  
A liquid crystal projector device of the present invention includes a lamp unit, an optical system for separating light emitted from the lamp unit into light of three primary colors, and an image...
7466369 Portable projector using a transmissive microdisplay  
A portable micro-display projector uses a light transmissive liquid crystal display system wherein light is projected co-linearly from a light source through, and is selectively altered by, a...
7448755 Three-panel projection display apparatus for displaying color images  
A three-panel projection display apparatus displays a color image by separating light emitted from a light source into lights of three primaries, i.e., red, green, and blue, with dichroic mirrors,...
7420585 Image capture and display device  
A display device for capturing and displaying images along a single optical axis. The device includes a display panel having a front side and a back side, said display panel capable of being placed...
7404644 Time-sequential colour projection  
A time-sequential colour projector comprises a pixellated light valve (2), such as a liquid crystal device, and a plurality of light sources (30, 31, 32). The light sources (30, 31, 32) direct...
7400100 Discharge-lamp lighting apparatus and projector  
A discharge-lamp lighting apparatus includes a control circuit that determines electric power supplied to a high-pressure discharge lamp after the high-pressure discharge lamp is started by an...
7390093 Projection display with color segmented microdisplay panel  
A single panel display may have discrete, dedicated segments associated with each of the primary colors. The segments may not be equally sized in some embodiments. The light from a light source may...
7387389 Image display system and method  
An image display device includes an image processing unit, a light source assembly, an optical modulator assembly, and a projection lens assembly. The image processing unit is configured to receive...
7380947 Multi-step turn off mode for projection display  
Disclosed herein is a method of operating display systems with reduction of the warm-up time of an arc lamp in the event of an accidental or unintentional turn-off.
7220005 Projection type video display apparatus  
An object of the invention is to achieve a high intensity, a compact structure, a cost reduction and a heat radiation of a liquid crystal panel, in a projection type video display apparatus...
7210797 Projector optical unit, projection type image display apparatus, and rear projection type image display apparatus  
In a projection type image display apparatus, a projector optical unit for projecting an image onto a screen while magnifying a size of the image to be projected with respect to an original size of...
7207679 Projection type video display  
A video signal processing circuit inputs a video signal to perform processing such as frequency conversion as well as processing for generating data representing the APL (Average Picture Level) of...
7204605 Illuminating device and projection type video display apparatus  
The auxiliary light source has LED chips respectively emitting red lights arranged therein in an array shape, and has lens cells for parallelizing light arranged therein on the light exit side of...
7185986 Projection type video display apparatus, light deflection device in projection type video display apparatus, and direct-view type video display apparatus  
In a projection type video display apparatus comprising means for circularly scrolling and irradiating irradiated light in a direction perpendicular to the line direction on a hold-type display...
7147331 Method of driving a spatial light modulator and projector  
To reduce the color break-up and to provide high quality projection images. A method of driving a spatial light modulator, including generating a sub-frame pulse signal for a first colored light R1...
7137708 Infra-red and ultraviolet filtration in projection systems  
A method of generating a projection beam for projecting an image includes collimating the projection beam and filtering infra-red or ultraviolet radiation from the projection beam after the...
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