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7621641 |
High luminance display apparatus using LCD panel
A projection apparatus ( 10 ) has an LC modulator panel ( 60 ) with photoresponsive layer, segmented into at least first, second, and third portions, each spatially separated. An image writing...
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7618147 |
Efficient illumination for display systems and in methods for displaying
A display system ( 100, 200, 300, 350, 400, 450 ) for displaying an image is described. The display system ( 100, 200, 300, 350, 400, 450 ) typically comprises one or a plurality of individual...
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7618146 |
Multiscreen display system, multiscreen display method, luminance correction method, and programs
Picture signals that indicate a screen that are supplied as output from a signal generation source are divided by a picture splitting device into picture signals of a plurality of screens for...
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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...
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7604354 |
Three-dimensional projection apparatus using coaxial optical alignment
A projection apparatus comprising a three-dimensional screen, a convex mirror, two or more projectors, and an assemblage of flat mirrored surfaces that share at least one common edge or apex that...
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7591559 |
Image projector and a light source for use in the projector
A light source comprising a prismoidal housing with inclined sides of a flight of steps and with a closed smaller base and an open larger base. The entire inner surface of the housing is made of an...
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7581836 |
Image display device and projector
An image display device that displays an image by modulating a light from a light source according to display image data, includes: a first light modulation element that modulates a light emitted...
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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...
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7568805 |
Illumination unit and image projecting apparatus employing the same
An illumination unit includes multiple light source units to emit light having different wavelengths, and a synthesizing prism to synthesize the emitted light. The synthesizing prism includes a...
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7562988 |
Two-dimensional image display device
A two-dimensional image display device having a center wavelength of a red color source set in a range from 635 nm to 655 nm and having a center wavelength of a blue light source set in a range...
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7561330 |
Reflection type projecting screen, front projector system, and multi-vision projector system
A reflection type projecting screen includes a diffuse plate having a diffuse transmission surface for converting at least transmission light into diffused light and a corner cube array for...
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7559661 |
Image analysis for generation of image data subsets
A method comprising analyzing a portion of image data to identify a characteristic of the portion of the image data and determining an algorithm based on the characteristic is provided. The...
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7559659 |
Configurable projection device
A modular projection device. The modular projection device includes a docking interface for selectively coupling the projection device to a content source module that provides the projection device...
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7559654 |
High luminance display apparatus using LCD panel
A projection apparatus ( 10 ) has an LC modulator panel ( 60 ) with photoresponsive layer ( 316 ), segmented into a first, second, and third portion, each spatially separated. An image writing...
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7543945 |
Integrator module with a collimator and a compact light source and projection display having the same
A projection display includes three illumination units to emit red, green, and blue beams, at least one optical modulator to modulate the red, green, and blue beams to be suitable for image data,...
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7540616 |
Polarized, multicolor LED-based illumination source
Light emitting diodes (LEDs) emit light at a first wavelength. A phosphor material close to LEDs converts at least some of the light to a second wavelength. The light at both wavelengths passes...
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7537347 |
Method of combining dispersed light sources for projection display
A method and system for combining light emitted by dispersed light sources for use in a projection display or similar system. A plurality of elongated and tapered light integrators are placed side...
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7533994 |
Light source array for LCD applications
A light source ( 100 ) includes a plurality of light emitting devices ( 101 ), each of which output light that is collimated by a first focusing structure ( 103 ). The collimated light is input to...
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7530697 |
Illumination optics and image projecting apparatus having thereof
An illumination optics includes a plurality of light source sections for emiting light beams and a time sharing color separation device having a plurality of color filters. The color filters are...
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7530696 |
Projectors and operation thereof
At least first and second narrowband beams of light, respectively of different wavelengths, are concurrently directed onto a modulator respectively at first and second angles of incidence.
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7527998 |
Method of manufacturing MEMS devices providing air gap control
Methods and apparatus are provided for controlling a depth of a cavity between two layers of a light modulating device. A method of making a light modulating device includes providing a substrate,...
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7527384 |
Illumination system to eliminate laser speckle and projection system employing the same
An illumination system designed to remove laser speckle and a projection system including the same. The illumination system includes a laser light source having at least one laser, a diffractive...
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7526005 |
Highly efficient second harmonic generation (SHG) vertical external cavity surface emitting laser (VECSEL) system
A Vertical External Cavity Surface Emitting Laser (VECSEL) system is provided. The VECSEL system includes a laser device including an active layer in which laser light is generated by pumping and a...
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7520624 |
Light enhancing
Broader spectrum light is enhanced with light of a narrower spectrum.
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7517096 |
Projection display system with micro-mirror light modulator
A micro-mirror light modulator and associated projection display system. The projection display system includes a light source, a linear light source illumination system that transforms a light...
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7515787 |
Imaging device for optically extracting features of an object
The present invention provides a method and device for optically extracting discrete features of an object. With this method and device, small regions of interest or features within a relatively...
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7513624 |
Method and apparatus for controllably modulating a laser in a laser projection display
A laser projection device suitable for displaying full color images is disclosed. The LPD includes a variety of techniques for modulating laser beams produced by one or more lasers with image data...
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7513623 |
System and methods for angular slice true 3-D display
Systems and methods for generating a true 3-D display, where each of a viewer's eyes not only sees a different scene, but the scene changes continuously as the viewer moves his/her head or change...
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7506985 |
Projection light source having multiple light emitting diodes
A light source comprises a plurality of light emitting diodes arranged around the perimeter of a reflective optical element, wherein each of the light emitting diodes selectively generates a light...
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7503660 |
Light mixing member, multiple-lamp lighting equipment and projection video display
A reflection mixing member ( 13 ) has an alignment in which light from a first light source is incident on a reflecting surface ( 13 a ) and light from a second light source is incident on a...
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7503659 |
Multiple location illumination system and projection display system employing same
An illumination system is disclosed for use with an array of imaging mirrors such as in a projection imaging system. The projection imaging system includes projection optics and first and second...
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7500756 |
Monitoring apparatus
A monitoring apparatus includes plural imaging units; a viewpoint conversion unit making viewpoint conversion of each imaged picture of the plural imaging units into an overhead picture with the...
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7494230 |
Reflecting non-visible light off one or more mirrors
Embodiments of reflecting non-visible light off one or more mirrors are disclosed. In an embodiment, non-visible light may be reflected off of one or more mirrors in an off positon and a portion of...
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7494228 |
Compact mixing cavity for multiple colors of LEDs
For mixing different light colors from different LEDs or energized phosphors, an elongated mixing tunnel is used having a reflective inner surface. LEDs of different colors are optically coupled...
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7494227 |
Image display device and method of controlling image display device
An image display device for displaying an image by a light beam modulated according to an image signal includes: a light source unit that supplies the light beam; a scanning unit for performing...
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7488079 |
System and method for projecting images onto a moving screen
A shaped screen rotates through one or more projected images of two or more projectors operating simultaneously, resulting in a dynamic, kinetic image surface which may be viewed equally well from...
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7484850 |
Illuminating device and projector
Aspects of the invention can provide an illuminating device and the like capable of efficiently supplying polarized light in a particular oscillation direction and suitable for a projector having a...
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7481538 |
Illuminator and projector
An illuminator includes a polarization converter that converts source light into first polarized light, a polarization separation member that separates the first polarized light of from the...
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7472997 |
Multi-projection display and projector unit
A multi-projection display includes a plurality of projector units each including a light source, an electrooptic modulator, and a projection system. The multi-projection display displays an image...
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7470032 |
Projection of overlapping and temporally offset sub-frames onto a surface
A method of displaying images with a display system includes receiving image data for the images. The method includes generating at least a first sub-frame and at least a second sub-frame...
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7467885 |
Light source
A light source, such as for a projection system, having a plurality of semiconductor chips and at least two different, electromagnetic-radiation-emitting chip types with different emission spectra,...
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7465052 |
Image projection lighting devices with visible and infrared imaging
A lighting system comprised of a central controller, a digital communications path, and a plurality of image projection lighting devices (IPLDs) is provided. The IPLDs contain cameras that can...
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7458691 |
Holographic combiners for illumination of spatial light modulators in projection systems
Described is an optical device for combining multiple light sources in an optical projection system. One embodiment of the optical device includes at least two light sources having first and second...
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7455410 |
Illuminating apparatus and projector
An illuminating apparatus includes: a light source that emits a source light; and a light guiding module that has an overlap rod portion which can pass luminous fluxes traveling in different...
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7455409 |
Projection-type image display apparatus
A projection-type image display apparatus using a light emitting diode light source including a compact optical arrangement. The projection-type image display apparatus includes an illumination...
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7445343 |
Modular display system
One embodiment of a modular display system includes structure for projecting an image stored on a display media, wherein the structure for projecting an image defines a housing structured to define...
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7445340 |
Polarized, LED-based illumination source
An illumination source includes a number of light emitting diodes (LEDs) operating at a first wavelength. Light from the LEDs illuminates a phosphor material that generates light at a second...
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7443591 |
Homogenizing optical beam combiner
An optical homogenizing and combining apparatus, comprises a one piece, hollow, tubular body having a first input leg, a second input leg and an output leg, each leg having a polygonal...
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7441907 |
Light source driving method
A light source driving method for controlling a first and a second light source assembly of a projection apparatus to turn on and off at least once during each 1/n frame time is provided. The first...
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7441902 |
Large size image projection
A plurality of image projection modules is operative for causing selected pixels in overlapping raster patterns to be illuminated to produce a large size image of high resolution of VGA quality in...
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