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7350929 |
Method for controlling a lighting device
A method for controlling a lighting device that consists of at least a lighting source, a color sequential device and a single light valve consisting of an array of light processing elements that...
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7347561 |
Image display device
A color management system for use with projection displays includes, for example, two or more analyzers positioned to receive light beams as they are emitted from the panels of a color management...
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7347558 |
3D kernel and prism assembly design
A Liquid Crystal on Silicon (LCOS kernel for a light engine is configured in a kernel having light paths in three dimensions (3D kernel). The 3D kernel allows for designs that do not require...
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7347562 |
Two-panel liquid-crystal-on-silicon color management system
A two-panel projection display system includes a color wheel having color filter segments that transmit light having a secondary color, namely cyan, magenta, and yellow, made up of two primary...
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7344252 |
Projector system for light modulation device
Aspects of the invention can provide a projector capable of projecting a high-quality image by illumination that does not produce a difference in size among illumination areas for respective colors...
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7344291 |
Illuminating device and backlight device employing the illuminating device
Disclosed is an illuminating device which, as a light source for a backlight device, mixes the colors of light rays of three prime colors radiated by light emitting diodes to emit white light. The...
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7334903 |
Light source module and optical projection system
A light source module is provided. The light source module includes a reflector, a light source, a transparent cover, a fluorescent material layer, and an optical lens. The light source is disposed...
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7329004 |
Rear projection display device
A rear projection display device improves the brightness by improving the utilization efficiency of image light projected to a screen from slantly below. At least a green component of the image...
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7329007 |
Projector
A projector includes an illumination device, a color separation system, a light combining system, a projection system, and an optical adjustment portion. The color separation system separates the...
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7325957 |
Polarized light emitting diode (LED) color illumination system and method for providing same
A polarized light illumination system includes a light emitting diode (LED) ( 601, 602, 603 ) for providing a source of light that is directed to a non-polarizing dichroic combiner ( 607 ) for...
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7325932 |
Display device, lighting device and projector
The object is to provide a display device that is capable of displaying an image with high luminance and a wide color reproduction range under simple control. The display device includes a light...
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7325956 |
Light-emitting diode (LED) illumination system for a digital micro-mirror device (DMD) and method of providing same
A light illumination system for projecting a color image to a digital micro-mirror display (DMD) panel includes a light-emitting diode (LED) illumination assembly ( 101, 102, 103 ), a dichroic...
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7322700 |
Image display apparatus
An image display apparatus includes an indicating element which modulates or emits light as a pixel in accordance with image information. A displacement unit optically displaces a position of the...
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7322703 |
Light emitting apparatus and projector
An light emitting apparatus which illuminates an illumination area has a first light source which emits a first light, a second light source which emits a second light, a wheel which is provided...
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7316481 |
Projection device for projecting an image
The invention relates to a projection device for projecting an image, comprising an illumination means ( 1 ) having an entrance ( 13 ) for entering light from a light source, a...
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7314279 |
Image generation unit
An image generation unit ( 10 ) is proposed comprising a first, a second, and a third light source unit (S 1 , S 2 , S 3 ) which are adapted in order to generate an emit respective first, second,...
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7314283 |
Color correction method and device for projector
A white image is projected on a projection surface with a projector and color information of the white image is captured by a color sensor 11 . A color transformation providing color appearance...
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7314282 |
Color-split optical engine architecture for projection displays
A projection display may use a color wheel having radially displaced regions of different colors. As a result, at any instance of time on a spatial light modulator in a projection display, three...
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7311403 |
Optical member, illuminating device, and projection type video display
A projection type video display is provided with three LED light sources. Lights emitted from each LED light source are guided into a light incidence surface of a rod integrator by a cross dichroic...
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7311404 |
Optical projection apparatus and projection-type image displaying apparatus
A projection-type image displaying apparatus includes: a first color wheel for splitting a light ray from a light source into colored light rays according to color transmission characteristics by...
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7303290 |
Laser beam focusing arrangement and method
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...
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7303284 |
Image projecting apparatus
An image projecting apparatus projects an image formed on a display device in accordance with input image data, onto a projection surface with illumination light emitted from a light source, to...
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7300157 |
Pixel-shifting projection lens assembly to provide optical interlacing for increased addressability
A projection display system includes a projection lens assembly that has multiple projection lens elements that are configured to receive light imparted with display information by a pixelated...
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7300156 |
Prism assembly for separating light
A prism assembly is provided. The prism assembly comprises a first prism component having a triangular cross-section along an optical path, a second prism component having a first quadrilateral...
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7301691 |
System and method for generating images
The disclosed embodiments relate to a system and method for generating images. There is provided a method comprising directing light through a projecting lens ( 28 ) at a first pixel position ( 60...
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7300159 |
Scrolling color projection system with lamp synchronization
A scrolling color projection system, comprising a pulsed lamp ( 4 ) and a color scanner ( 6, 8 a, 8 b, 8 c, 9 ) for generating a light beam ( 5 b ) with a plurality of scrolling color fields,...
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7296901 |
Projection display
A projection display comprises a display device, a projection optical system that has an aperture and is adapted to magnify and project an image appearing on the display device and a display panel...
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7296897 |
Projection display apparatus, system, and method
In an apparatus, system, and method for generating a projected display, a light source generates red, green, and blue light using arrays of extended cavity surface emitting semiconductor lasers....
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7298556 |
Illuminating optical system, image display apparatus using same and image display method
An illuminating optical system including a lamp light source and a reflecting mirror device. The lamp light source emits light. The reflecting mirror device having double reflecting mirror arrays...
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7295371 |
High efficiency electromagnetic beam projector, and systems and methods for implementation thereof
This invention relates to electromagnetic wave beam paths, formation of the beam, illumination of programmable electromagnetic wave field vector orientation rotating devices (“PEMFVORD”) with...
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7293877 |
Projecting apparatus and projecting and displaying apparatus
The present invention includes a light source which emits a plurality of lights having different wavelength areas, a plurality of image forming devices which are arranged on respective optical...
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7290883 |
System and method for projecting video onto a screen
The disclosed embodiments relate to a system and method for projecting video onto a screen. A video unit ( 10 ) may comprise a color wheel ( 14 ), a light source ( 12 ) configured to project light...
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7290886 |
Illuminating system and method for improving asymmetric projection
An illuminating system and method for improving asymmetric projection includes a light source producing a light beam to form a light path, a projection lens disposed in the light path, a light...
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7287861 |
Display optical system and image projector
A display optical system and an image projector incorporating the same. The display optical system includes a light source operable to emit light; a plurality of reflective light-modulating...
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7287858 |
Color separating unit and projection type image display apparatus employing the same
An image display apparatus which includes at least one light source to generate and radiate a light beam, a color separating unit to separate the light beam emitted from the light source into a...
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7287860 |
Display device, display method, and projector
The invention provides a display device and a projector that can improve display performance with a simple structure without accompanying the enlargement of the device. The display device of the...
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7286278 |
Methods for depositing, releasing and packaging micro-electromechanical devices on wafer substrates
A method for forming a MEMS device is disclosed, where a final release step is performed just prior to a wafer bonding step to protect the MEMS device from contamination, physical contact, or other...
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7284865 |
Scrolling device with color separation and projection system incorporating same
A scrolling device with color separation and a projection system incorporating same are disclosed. The scrolling device comprises a scrolling shaft and a plurality of dichroic mirrors that are...
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7284867 |
Projector
When white light emitted by a lamp is projected onto a screen, a color detection sensor receives light reflected by the screen, and detects in the reflected light color levels for red, green and...
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7283307 |
Common aperture vision system
An optical device comprises a dichroic beamsplitter for splitting an object beam into a reflected beam having a first waveband and a transmitted beam having a second waveband; an...
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7278744 |
Projector having a plurality of projection modes
A projector which projects an image on a projection plane includes a projection mechanism having a first projection mode in which the image is projected on the projection plane by giving priority...
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7278743 |
Single panel illumination system and projection display apparatus using the same
The present invention provides an illumination system and projection system using the same. The present invention can eliminate the reflective light on the internal optical surface of the optical...
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7273282 |
Projection system with optical filter
A projection system is disclosed that includes a light source, a spatial light modulator, and an optical filter. The light source is configured to generate a light beam having a spectral...
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7273281 |
Method and apparatus for aligning a plurality of lasers in an electronic display device
A method and apparatus are provided to compensate for variations in the alignment of a plurality of lasers 102, 104, 106. A controller 142 varies the time at which the lasers 102, 104, 106 ...
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RE39859 |
Dichroic prism, prism unit, and projection display apparatus
At least one of four rectangular prisms in a dichroic prism is made longer than the other rectangular prisms. Parts of the rectangular surfaces of the long rectangular prisms partially protrude...
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7270425 |
Projection type video display
An optimal processing portion ( 21 ) inputs a video signal (RGB signals) and analyzes 1-frame video in the video signal. For example, if the intensity of red color is 0 percent in all dots in...
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7270416 |
Light modulating unit and image projection apparatus
A light modulating unit includes first and second light modulating sections each of which modulates an illumination light on the basis of a video signal to generate a projection light that is a...
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7267442 |
Pixelated color wobulation
A display system includes a mechanism to provide for simultaneous pixelated color with a spatial light modulator. Also included is a mechanism to project the simultaneous pixelated color to create...
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7268960 |
Mount for an optical structure and method of mounting an optical structure using such mount
An improved mount for, and method of mounting an, optical structure is provided, wherein the optical structure has at least one mounting surface. The mount has a mounting section with at least one...
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7261421 |
Optical projector and image display apparatus using the same
Image disturbance called speckle noise occurs when an image generator has a small effective screen size and a projection lens has a small effective diameter. The present invention is intended to...
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