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7430022 |
Color display device
The invention relates to a color display device for display a color image and a method of operating such display. The color display device is provided with a plurality of picture elements, two...
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7283181 |
Selectable color adjustment for image display
A display system is configured to produce a color image formed of a plurality of differently colored images and may include at least one light source that directs light along an optical path, and...
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7245327 |
Pulse width modulated display with equalized pulse width segments
A field sequential pulse width modulated display system comprises a digital micromirror device having a plurality of micromirrors that each selectively pivot to reflect light onto a screen to...
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7081928 |
Optical system for full color, video projector using single light valve with plural sub-pixel reflectors
A full color video projector system using a light source and a single light valve. The output of the light source passes through a condenser lens. The lens is directed toward a splayed array of...
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7046309 |
Single panel type video display
There is provided a single panel type video display capable of increasing the luminance of image. A color separator separates light from a light source into light beams in three colors in a band...
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7029126 |
Single panel color image projection system
In one embodiment, a color projection system includes a lamp; at least one prism configured to diffract light from the lamp into a diffracted beam; and an LC microdisplay panel or MEMS panel...
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7023606 |
Micromirror array for projection TV
In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention,...
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7012731 |
Packaged micromirror array for a projection display
In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention,...
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6893133 |
Single panel color image projection system
A color projection system includes a lamp and at least one diffraction grating or at least one prism that diffracts light from the lamp onto an LC microdisplay panel. By moving either the at least...
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6824270 |
Single-panel color image display apparatus and scrolling method
A single-panel color image display apparatus realizing a wide color gamut is provided. The single-panel color image display apparatus includes a colored light separator having a plurality of...
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6805447 |
Rear projection display device and projecting method used for the same
A flat mirror for folding an optical path in a casing of a rear projection television is arranged in the casing on not the side of a screen but a rear or upper side of the casing. In order to...
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6755535 |
Enclosure for projection television sets
A projection television set having an enclosure housing a screen, an optical unit and a mirror, wherein the optical unit and mirror are capable of projecting an image onto the screen. The enclosure...
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6690432 |
Alignment of the optical and the electrical scan in a scrolling color projector
A prism is mounted onto a motor without regard to its rotation angle relative to the motor index. Its position is electronically set later after construction of the optical path. A motor controller...
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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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6623122 |
Light source optical system and projector having first and second lamps of different spectral distributions
A light source optical system capable of forming an image having good balance in brightness of red, blue, and green color light, having high overall brightness, and having good color...
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6621615 |
Method and system for image display
A light-modulating system, includes: a light source for emitting a sequence of light pulses at a period T p ; a light modulator having a variable-width switching profile with rise and fall times T...
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6621609 |
Light beam display
A laser beam display includes at least a first and second plurality of laser beam sources, each of which may preferably be an array of semiconductor lasers, providing a plurality of laser beams in...
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6565214 |
Enclosure for projection television sets
A projection television set having an enclosure housing a screen, an optical unit and a mirror, wherein the optical unit and mirror are capable of projecting an image onto the screen. The enclosure...
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6417967 |
System and method for efficient illumination in color projection displays
An illumination system for a color projection display. In one embodiment a broad spectrum light source illuminates a multilevel optical phase element which disperses the broad spectrum light from...
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6252636 |
Pulsed two lamp single light valve display system
A pulse driven two lamp (40, 50) single light valve (62) imaging display system (10). The first lamp (40) is used to generate red light, and the second lamp (50) is used to generate blue and green...
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6219110 |
Single-panel color projector
Light emitted from a white light source is separated into red, green and blue light beams by dichroic mirrors. The resulting light beams are directed onto a lenticular lens system having...
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6175440 |
Laser beam display
A laser beam display includes at least a first and second plurality of laser beam sources, each of which may preferably be an array of semiconductor lasers, providing a plurality of laser beams in...
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6091461 |
Electronically self-aligning high resolution projection display with rotating mirrors and piezoelectric transducers
A projection display device wherein a modulated laser beam is scanned across a viewing surface by a system of rotating mirrors. A correcting mirror is provided for introducing small variations in...
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6020937 |
High resolution digital projection TV with dynamically adjustable resolution utilizing a system of rotating mirrors
A video display system includes a laser beam that is reflected from a vertical scan rotating mirror, then from a horizontal scan rotating mirror and then toward a viewing surface. The rotational...
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5957560 |
Light shutter projector with a fluorescent screen
Disclosed is a ferroelectric liquid crystal display projector employing a fluorescent screen, including a light source emitting light of a predetermined wavelength; a first condensing lens for...
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5828424 |
Process and apparatus for generating at least three laser beams of different wavelength for the display of color video pictures
In a process for generating at least three laser beams of different wavelengths for displaying color video pictures, a pulsed laser is used to generate light. The light output of the pulsed laser...
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5781251 |
Method and apparatus for optical scanning for single panel color projection video display
A method and apparatus for a single panel projector, for projecting images having a plurality of color components, include a mechanism for deflecting light into a plurality of directions, and a...
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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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5680180 |
Color balance compensation for digital display system with color wheel
A method of detecting and compensating for colors displayed by a display system (10) that uses a light source (16) and a color wheel (15). A desired color balance is specified in terms of a power...
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5650832 |
Multimode color wheel for display device
A color wheel assembly (15, 15a, 15b) for use in a display system (10) that uses a beam of source illumination to generate images with a display device. The color wheel (15) is moveable in and out...
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5635997 |
Color display device
A color display device (10) incorporates three light sources (12) supplying red, green and blue light respectively. A spatial light modulator (20) is positioned to provide time varying selective...
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5602679 |
High efficiency light valve projection system
A light valve such as an active matrix LCD between crossed polarizers, utilizing, for instance, individual transistors to control each "pixel area" of the LCD and storage elements to store video...
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5537258 |
Electro-optical system and method of displaying images
An electro-optical system such as an image display system and a method of displaying images are described. Laser beams of three primary colors are emitted from three lasers in a time sharing mode....
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5424771 |
A video display device using laser generated radiation
A display device using laser comprises an input path for a composite video signal, a memory for storing the video signal by picture regions divided according to the size of picture, a controller...
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5381187 |
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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5339118 |
Tone correcting apparatus for laser display system
A tone correcting apparatus for an image display apparatus is disclosed. The apparatus includes a test signal generating circuit for generating a test signal, a memory for outputting tone...
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5317348 |
Full color solid state laser projector system
This invention uses various solid-state semiconductor lasers along with frequency doublers as needed to achieve the required three-color light beam wavelengths for input to available light...
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5311321 |
Laser video imaging system with pulse backtrack and method
An improved, multicolored video imaging system to provide a video image on a projection surface, which system includes a red, blue and green pulsed laser as a light source to provide inlet beams,...
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5285268 |
Projection type display device having a mask for cutting off unnecessary light parts of displayed picture
A display device of projection type capable of projecting an image with well defined image frame is disclosed. The device comprises 3 spatial light modulators on which color image information is...
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5255082 |
Laser beam color image display apparatus
A laser beam color image display apparatus includes a single laser beam source for emitting a laser beam from which a plurality of blue, green, and red laser beams are separated, or a plurality of...
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5253073 |
Electronic data multiplexing in a full color pulsed laser projector and method
A multiplexed, multicolored video imaging system which comprises a plurality of pulsed lasers to provide input beams, a single acoustic-optical cell to receive the input beams, a transducer to...
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5241376 |
Cinematographic system
A cinematographic system records motion-picture images on an elongate information recording medium which includes either a charge storage layer or a light modulating layer. The recorded images are...
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5138441 |
Beam-index-type color display apparatus
A beam-index-type color display apparatus includes an A/O modulator for emitting a first-order beam for use as an image projecting light beam and a zero-order beam for use as an index beam. The...
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5097324 |
Beam-index color display unit
A beam index color display unit uses a single light beam scanning a two-dimensional screen of light beam sensitive three-color phosphor stripes arranged with regularity. The intensity of the light...
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4974095 |
Method and apparatus for displaying an image
Both a method of producing an image in accordance with an input signal having a location and brightness information and an apparatus for displaying such image are disclosed in the present...
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4931859 |
Schlieren color television image aperturing device
A Schlieren-type color television projector utilizes a fiber optic rear projection screen (FORPS) at an initial focal point to translate the spatially separated, converging rays of component colors...
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4814866 |
Schlieren color television image aperturing device
A Schlieren-type color television projector utilizes a fiber optic rear projection screen (FORPUS) at an initial focal point to translate the spatially separated, converging rays of component...
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4755869 |
Image projection/imaging apparatus
An image projection/imaging apparatus comprises a lens system, a light shutter, pattern forming means for forming an image pattern on the light shutter, projection control means for projecting the...
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4751509 |
Light valve for use in a color display unit with a diffraction grating assembly included in the valve
In a display unit for use in projecting projection light onto a screen to display a picture, a light valve comprises a diffraction grating assembly for selecting one of chrominance components...
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