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9025086 Video projector system  
Some embodiments provide for a video projector system having a light engine, a video processing engine, and an optical engine. The light engine can provide narrow-band laser light to the optical...
8872985 Video projector system  
Some embodiments provide for a modular video projector system having a light engine module and an optical engine module. The light engine module can provide narrow-band laser light to the optical...
8770763 Projection display device which displays an image by projecting the image on a screen  
A projection display device which displays an image by projecting the image on a screen includes a laser light source for emitting coherent light, a display device for forming an image to be...
8665381 Viewing cone adjustment system  
One embodiment of a viewing cone adjustment system includes a projection lens that defines a projection lens optical axis adjustably offset from a viewing screen optical axis, and an image source...
8643792 Rear projection imaging system with image warping distortion correction system and associated method  
A rear projection imaging system with an image warping distortion correction system using a camera and processing unit to generate a warping map that corrects for image distortion. The warping map...
8441582 Imaging displaying apparatus and 3-D image displaying apparatus applying the same therein  
An image displaying apparatus, comprising: a first light modulator unit, which is configured to modulate a light incident thereon, responding to a first video signal, thereby to form a first...
8334934 Image display device and image display method  
Technology for carrying out a luminance range expansion process is provided. In the technology, the luminance range expansion process is carried out in a manner appropriate to the luminance...
8228445 Rear projection imaging system with image warping distortion correction system and associated method  
A rear projection imaging system with an image warping distortion correction system using a camera and processing unit to generate a warping map that corrects for image distortion. The warping map...
8220933 Method and apparatus for data transfer using an optical link in a projector system  
A projection system for projecting an output image. The projection system comprises 1) a plurality of laser diodes, each laser diode generating a light beam; 2) combiner optics for combining light...
8094242 Object management apparatus, mobile terminal, and object management method  
An object management apparatus comprising an image photographing unit, a storage unit, and a control unit communicably connected to at least one operation target device and a mobile terminal...
8072551 Projector  
A projector includes a plurality of light modulation elements adapted to modulate a plurality of colored light beams based on image data, a combining optical system adapted to combine the...
8049822 Projection type video display  
There are provided a write light valve for generating image-writing light by modulating write light, a driver for writing images into the write light valve based on image data, read light valves...
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...
7972004 System and method for uniform light generation  
A system and method for uniform light generation in projection display systems. An illumination source comprises a light source to produce colored light, and a scrolling optics unit optically...
7952650 Reflector and projection type display apparatus  
It is an object to prevent deterioration of reflectance of a reflection layer composed of silver or a silver alloy, resulting from heat-caused migration of silver. The reflector for projection...
7924349 Arrangement for and method of projecting an image with linear scan lines  
A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for sweeping a composite laser beam as a pattern of linear...
7911544 Image display device and image display method  
Technology for carrying out a luminance range expansion process is provided. In the technology, the luminance range expansion process is carried out in a manner appropriate to the luminance...
7891818 System and method for aligning RGB light in a single modulator projector  
A projection system that includes a singe light modulation device and a plurality of light sources of different wavelengths. Each wavelength of light is incident on the light modulation device at...
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...
7876384 Rear projection imaging system with image warping distortion correction system and associated method  
A rear projection imaging system with an image warping distortion correction system using a camera and processing unit to generate a warping map that corrects for image distortion. The warping map...
7845801 Multiple control data interface between different hosts and controller for an image projection arrangement  
A lightweight, compact image projection module has a controller operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality in...
7817212 Laser video projector having multi-channel acousto-optic modulator, and method and circuit for driving the same  
Provided are a laser video projector having a multi-channel acousto-optic modulator, and a method and circuit for driving the laser video projector. The laser video projector includes a light...
7795822 Light source controller and image display device  
A light source controller includes a light source driver, a light amount sensor, a memory configured to store property information indicating a relationship between the drive current and the...
7746414 Illumination system eliminating laser speckle and projection TV employing the same  
Provided are an illumination system, a projection TV employing the illumination system, and a projection method. The illumination system includes: a laser light source which emits a plurality of...
7724311 Optical projecting system  
An optical projecting system includes a light-splitting unit for splitting composite source light into a plurality of composite light beam components, and a reflective color wheel rotatable about...
7633562 Laser illuminated projection displays  
A projection video display includes a light source including an OPS-laser delivering laser radiation in multiple transverse modes (a multiple-transverse-mode OPS-laser). The display includes a...
7616368 Light concentrating reflective display methods and apparatus  
Improved apparatus and methods for displays are disclosed that utilize light concentration array between mechanical light modulators and the viewing surface of the display. The light concentration...
7553031 Projection image display apparatus and projection optical unit to be used therein  
In a projection type image display apparatus, for enlarging an image on a image display apparatus 1 by means of a projection lens 2, thereby projecting the enlarged image onto a screen 6,...
7499111 Projection type display device and back projection type display device using the same  
The system provides a projection-type video display device with high image quality and high reliability. The system improves color purity by cutting the yellow component from red and green,...
7483086 Illumination optical system, projection video system using the same, and integral-type video display  
An illumination optical system includes a light source for emitting a plurality of different colors of light, a plurality of rotating optical scanners, and a plurality of scanning lenses. Each of...
7446822 High-resolution image projection  
A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be...
7420177 High-resolution-imaging system for scanned-column projectors  
A system and method for generating a high-resolution image using a scanned-column projector is disclosed. The method includes the operation of generating a time-varying line image. A further...
7324169 Projection optical system, projection television, and method of manufacturing lens included in projection optical system  
Provided are a projection optical system, a projection television, and a method of manufacturing a lens included in the projection optical system. The projection optical system includes lenses for...
7262816 Rear projection imaging system with image warping distortion correction system and associated method  
A rear projection imaging system with an image warping distortion correction system using a camera and processing unit to generate a warping map that corrects for image distortion. The warping map...
7252390 Projecting optical system  
A projecting optical system for decreasing a height of an optical system is provided. The system includes a lamp for irradiating light, a color divider for dividing colors of light irradiated from...
7230611 HMI device with optical touch screen  
An HMI device for monitoring and control of a technical process, which has a processing module (VE) at least for computer generating dynamic process images (PA1) that have interactive regions...
7215383 Coherent light despeckling  
A display device or a receiver device for use with coherent light. A controller applies phase shift values to a multi-region phase array at a frequency sufficiently higher than the flicker fusion...
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...
7182466 Projection optical system and optical system  
A projection optical system includes an optical modulation unit which outputs modulated light for displaying an image, an optical scanning unit on which the modulated light output from the optical...
7184104 Projector having scanning optics  
A projector that employs scanning optics is disclosed. A number of light-emitting sources have intensities that are varied in accordance with an image. The scanning optics scan the light output by...
7184103 Laser video projector having multi-channel acousto-optic modulator, and method and circuit for driving the same  
Provided are a laser video projector having a multi-channel acousto-optic modulator, and a method and circuit for driving the laser video projector. The laser video projector includes a light...
7170567 Projection type image display apparatus  
A projection type image display apparatus includes a light source to emit light; a polarizing beam splitter to polarize the light received from the light source; a first lens array including a...
7167216 Projection system with adjustable aspect ratio optics  
Adjustable aspect ratio optics is described. In one implementation, a second mirror receives light reflected from a first mirror within the adjustable aspect ratio optics. In accordance with the...
7121668 Device and method for generating an image for projection  
In an image projection device, interferences between the light source and the light modulator leading to visible interferences in the projected image are suppressed by an interference cancellation...
7113195 Generating pulse width modulated waveforms to digitally drive pixels  
An array of display elements (e.g., pixels) in a display device (e.g., a spatial light modulator) may be digitally driven using pulse width modulated waveforms. Pulse width modulated waveforms may...
7108378 Method and devices for displaying images for viewing with varying accommodation  
Light (22) is projected from an image projector (20), in response to an image information signal (18) and is controllably refracted in response to a first control signal (26), for projecting...
7015982 Video projection system  
A video projection system (50) comprises a rotary disc (31) having light guiding devices (35) extending radially thereof and in a helical configuration circumferentially at the disc (31) and...
7012654 Focus control apparatus for display  
A focus control apparatus for a display is provided. The focus control apparatus adjusts the focus of a lens through a simple manipulation of an adjusting knob which adjusts a position of a...
7006163 Illuminating device and projector using it and built-in display unit  
An illuminating device comprising a light source for emitting a plurality of light beams (207, 208, 209) of different colors, a plurality of rotating beam scanners (102, 103, 104) and a plurality...
6950153 Video image rotating apparatus  
A video image rotating apparatus includes a rear projection screen rotatably disposed in a generally horizontal plane, thus allowing only a single mirror to be angularly positioned over the screen...

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