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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...
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7810935 |
Display unit and light-emitting unit
A display unit includes: a light modulation unit that includes an effective area, and modulates an illumination light entering to the effective area; a light-emitting unit that includes a plurality...
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7627799 |
Panel driving circuit that generates panel test pattern and panel test method thereof
A panel driving circuit that produces a panel test pattern and a method of testing a panel are provided. The driving circuit includes a pattern generation unit and a selection unit. The pattern...
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7611248 |
Projection lens unit and thin projector using the same
A projection lens unit and a thin projector using the same are disclosed. The projection lens unit includes a plurality of lens sets for emitting light carrying an image, and a reflector arranged...
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7609329 |
Driving apparatus for liquid crystal display
A driving apparatus for a liquid crystal display capable of adjusting a field area displayed on a liquid crystal display panel at the exterior thereof is disclosed. In the apparatus, an image...
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7591560 |
Reflection optical system and projection display apparatus using the same
A reflection optical system placed between a light valve 5 and a screen 4, wherein curved surfaces are only three reflection surfaces of first to third mirrors 1 to 3, and satisfies the following:...
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7429111 |
Two-panel color management system
The invention provides a two-panel color management system for projection display applications, wherein color sequencing is accomplished using achromatic beam switching and static color separation....
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7391568 |
Luminous intensity distribution control device and display having the same
A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer; a backlight apparatus arranged at one side of the couple of substrates of the liquid...
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7336289 |
Projection type display apparatus
A projection type display apparatus that projects video onto a screen includes a liquid crystal panel using polymer-dispersed liquid crystal that disperses light when a voltage is applied and that...
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7327408 |
Illuminator that generates linearly polarized light for microdisplay based light engine
A hollow sphere with a scattering (e.g., white diffusive) interior surface directs light input from at least one input light source to an exit. In one embodiment, an internal hot mirror and...
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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...
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7042637 |
Image display
This invention is an image display device for performing color display of an image using two spatial light modulators. The image display device has a first spatial light modulator (52) for...
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6710762 |
Projection type display
The present invention relates to a projection type projector using a liquid crystal light valve, and its object is to provide a projector type display improved in image quality, which a user side...
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6690346 |
Image display
An image display capable of effectively preventing deterioration of the contrast and permitting sufficient resolution improvement to be obtained by wobbling is disclosed. A display element 1 has a...
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6683658 |
Scanner phase control for a scrolling color projector
A scanner phase control for a scrolling color projector utilizes the back-EMF value of a motor which rotates a prism of the scanner to set a reference point for the prism. A reference phase signal...
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6642970 |
Single panel color projector
The projector comprises a light source that emits illuminating light, a single modulation panel, a projection optical system, a color filter mechanism, a converging optical system that converges...
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6542308 |
Projection display apparatus and projection lens device for use therein
A projection display apparatus having a light source for generating a white light, a liquid crystal panel for modulating an incident light from the light source, a polarizing plate which is located...
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6518940 |
Image display apparatus
An image display apparatus includes a storage display element which stores an image by receiving image light from a film frame and displays the stored image, a display device capable of selectively...
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6411270 |
Display apparatus capable of selecting display picture or screen sizes for displaying static picture of images written in a spatial light modulator
A spatial light modulator includes a pair of transparent substrates disposed with a prescribed gap therebetween and each having thereon a transparent electrode, and a liquid crystal layer and a...
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6292234 |
Projection type color liquid crystal display device
A projection type color liquid crystal display apparatus includes: light collimation means for producing collimated light; main-wavelength band separation means for receiving the collimated light...
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6283597 |
Method and facility for light-beam projection of images on a screen
In a process for the projection of images on a screen (20) by means of a light bundle, an individual projector (40) is provided for projecting the images, wherein the light bundle used for...
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6281949 |
Apparatus for displaying a picture which involves spatially modulating a light beam
A picture display method and apparatus in which a light source is lengthened in service life and optimum color reproduction is realized, while the light utilization efficiency is improved to reduce...
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6163348 |
Image display apparatus
The image display apparatus of the invention includes: an image projector for projecting a plurality of optical images having image information for a color display in a juxtapositional color...
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5978051 |
Image projection system with variable display format
An image projector is provided with a light source and a light valve positioned downstream of the light source. An optical path is defined between the light source and the light valve. To...
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RE36060 |
Liquid crystal video projector having lamp and cooling control and remote optics and picture attribute controls
A video projection system having a liquid crystal panel with a video image, a projection lamp with ON/OFF control, a zoom lens with a zoom control mechanism, a focusing lens with a focusing control...
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5805274 |
Photographic printer utilizing a photoactivated liquid-crystal light valve in order to enhance image processing
A photographic printer has a lamp which projects light through a cut-off filter, a filter unit, and a diffusion plate. The light travels further through a film negative, an objective lens, and to a...
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5793446 |
Projector utilizing compressed white signal
In a projector having liquid crystal panels as light modulators, the liquid crystal panels are independently used for white-light modulation and colored-light modulation, respectively, so that high...
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5715022 |
Image display apparatus
An image display apparatus is disclosed which includes: an optical system including a light source and at least one projection lens; a display means for forming a display image, the display means...
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5706062 |
Projector system including keystone correction
A projector for use with a light source and including a shutter assembly having a multiplicity of pixel light valves and a color separator disposed intermediate the light source and the shutter...
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5687020 |
Image projector using acousto-optic tunable filter
A high definition image projector is provided for modulating light using an acousto-optic tunable filter according to image signals and projecting the modulated light on a screen. An image is...
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5684504 |
Display device
Color display device for projection of the type comprising a light-switching device, for example a device illuminated by successive light strips of different colors (sequential color single panel...
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5617152 |
Projector system for video and computer generated information
A projector for use with a light source and including a shutter assembly panel having a multiplicity of pixel light valves overlying an array of interspersed shutter pixels each of which transmits...
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5552839 |
Projection system for entertainment and game apparatus
The present invention relates to a video system for entertainment and game apparatus. The video system includes a data carrier on which the game is stored. Video informations (pictures) stored on...
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5548349 |
Transmission type color liquid display apparatus with first and second lens layers located between a white light source and the display device
A color liquid crystal display apparatus according to the present invention includes: a transmission type liquid crystal display device including a plurality of pixels arranged in a matrix along a...
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5548348 |
Distributed projection type liquid crystal display device
Light from a light source 12 is incident to a transmission type liquid crystal display panel 11 and the light transmitted therethrough is incident to two reflecting surfaces 14a and 14b of a...
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5526011 |
Electronic transparency with data storage medium
An electronic transparency device is provided with a memory in which a plurality of frames of video data ("slides") can be stored. The apparatus includes a control microprocessor which can cause...
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5500692 |
Image projecting apparatus for producing an image for display on a projection screen
An image projector apparatus for producing an image for display on a projection screen. The image projector apparatus includes a plurality of first microlenses each receiving light from a light...
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5381188 |
Light to light modulator with reading light of specified wavelength
The present invention offers a display system for displaying information comprising a linear array of N light-emitting devices emitting light of predetermined wavelength, the devices are arranged...
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5379136 |
Electron beam addressed electro-optical light valve having input openings
An electron beam addressed electro-optical (EO) light valve (EOLV) having a matrix of openings formed on and extending through an input conductive layer and further extends into an electrically...
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H001320 |
Apparatus and method and means for producing a natural color display
A method for producing a natural color display on a display panel, wherein means for reformatting video signal images for a grey-scale matrix liquid crystal or ferroelectric liquid crystal panel...
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5315334 |
Liquid crystal finder/projector for video camera
A liquid crystal finder attached video camera whose liquid crystal finder is usable as a liquid crystal projector. This liquid crystal finder attached video camera is composed of a video camera...
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5303054 |
Line electron beam light source for projection LCD system
A projection liquid crystal display (LCD) system includes an LCD panel including a first plurality of horizontally aligned transparent conductive scanning electrodes and a second plurality of...
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5289287 |
Dockable LCD TV projector convertable between front and rear projection
A projection television system which adapts automatically between from screen projection and rear screen projection upon insertion of the projector into a rear screen cabinet. A compact projection...
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5285287 |
Projecting method for picture display apparatus
A projection display device capable of selectively operating in a front projection mode and a rear projection mode, comprises a projector (300) disposed in a cabinet, a rear projection screen...
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5258844 |
Video camera apparatus having an image projection function
A video camera apparatus with an image-projecting function comprises a recording/reproduction device for recording an image picked up by a pickup lens and an image pickup element on a recording...
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5241392 |
Liquid crystal display
In a method of driving liquid crystal cells in an active matrix addressed display of the resistively-coupled transistor type whereby interlacing of alternate rows of pixels is achieved, rows N-1,...
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5229860 |
Afterimage elimination circuit for liquid crystal
An afterimage elimination circuit for a liquid crystal display apparatus provides a substantial improvement of the transient response characteristics of the liquid crystal display elements, by...
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5227886 |
Optical imaging/display CCD light valve and method
A combined optical imaging/display device employs a liquid crystal light valve (LCLV) with a charge coupled device (CCD) input, and a photosensitive CCD or charge injection device (CID) array for...
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5206634 |
Liquid crystal display apparatus
In a liquid crystal display apparatus in which a selection signal is simultaneously applied to two scanning signal lines, the application of the selection signal to one of the two scanning signal...
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5185712 |
Viewfinder and image display/pickup apparatus using liquid crystal
A liquid crystal viewfinder includes a plurality of liquid crystal display sections for respectively displaying images of a plurality of colors so as to obtain a full-color image, and an eyepiece....
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