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| Number | Title | Issue Date |
| 8100540 | Light array projection and sensing system A low cost, light projection and sensing system that projects an image onto a display surface using an array of light emitters. Further, the device has an integral sensing capability of the display surface using light sensors. Both the emitters and sensors are coupl... | 01/24/2012 |
| 8079718 | Embeddable 2-D projection nano engine for personal projector A projector has a transmissive spatial light modulator backlit by a collimated illuminator that includes a light source that outputs red, green, blue (RGB) light, and a combiner disposed in light-receiving relation to the light source for mixing or combining the RGB... | 12/20/2011 |
| 8070302 | Laminate type light-emitting diode device, and reflection type light-emitting diode unit A laminate type light emitting diode device having excellent heat radiation performance and high output capability is provided. A plurality of reflection type light emitting diode units 10 each of which includes a light emitting diode 2 and a dichroic ... | 12/06/2011 |
| 8066388 | Light source device and projector having same A light source device includes a first light source, a second light source, a reflective assembly, and a condensing lens defining an optical axis. The first light source includes a first lamp and a first reflector reflecting light beams generated by the first lamp a... | 11/29/2011 |
| 8042954 | Mosaicing of view projections Two projected images from two projector-camera systems, each defined by characteristics c1=T1p1 and c2=T2p2, respectively, are used to create mosaic composite of a desired image c. Formulas p1 | 10/25/2011 |
| 8042955 | Laser module, illumination device, and projection display device Disclosed is a light source module including a first light emission unit having a first laser light source, and a first cooling part on which the first laser light source is mounted; a second light emission unit having a second laser light source, and a second cooli... | 10/25/2011 |
| 8021002 | Speckle-generating lighting system for attracting viewer's attention The present invention relates to a lighting system (1), having a laser (3), and a method carried out in such a system. The system is arranged to vary the coherence of outputted light, preferably periodically, such that the light, when projected onto a ... | 09/20/2011 |
| 7993016 | Retro-reflective light diffusing display systems Aspects of the present invention involve novel display screens comprising light diffusion and retro-reflectivity. In embodiments, a retro-reflective light diffusion screen can be used to generate a three-dimensional autostereoscopic display by generating a plurality... | 08/09/2011 |
| 7988305 | Projection type display device and light source device Miniaturization is realized and high-output lights are obtained by optimizing the arrangement of a laser light source unit and a homogenizer. A laser light source unit 1 has a light emission region for emitting an elliptical laser light. A focusing len... | 08/02/2011 |
| 7980706 | Projector A projector comprising a first light source, a second light source, a light combining element, a diffuser and an actuator is provided. The first light source provides a first light beam with high coherence. The second light source provides a second light beam with h... | 07/19/2011 |
| 7954962 | Laser image display, and optical integrator and laser light source package used in such laser image display A laser image display including a laser light source emitting laser light, a beam deflector element for receiving laser light and deflecting its advancing direction, a beam deflecting element control section for controlling the degree of deflection performed by the ... | 06/07/2011 |
| 7950809 | Hologram element, illumination device, projector, and method of manufacturing hologram element A hologram element that forms a predetermined illumination pattern on an irradiated surface by diffracting incident light is disclosed. The illumination pattern is formed by making light in a first wavelength region diffracted in a first region, and the illumination... | 05/31/2011 |
| 7950808 | Project display apparatus having diffusion element for reducing speckle An illuminating optical system propagates a coherent light flux from at least one light source into a predetermined optical path to guide the light flux to a screen. A light bulb forms an image to be displayed on the screen on an illumination area illuminated with t... | 05/31/2011 |
| 7934840 | Optical device and projection system comprising the same An optical device comprises a light source unit comprising a plurality of light sources, a light mixing unit that is formed on the light source unit and comprises a light guiding part guiding light emitted from each light source, and a light mixing part mixing the g... | 05/03/2011 |
| 7934841 | Optical display systems and methods Optical display systems and methods are disclosed. ... | 05/03/2011 |
| 7931377 | Screen and projection system A screen including a first plane and a second plane opposite to the first plane, at least one of which is illuminated with light, includes a reflective portion that reflects the light incident on the first plane, a transmissive portion that transmits the light incid... | 04/26/2011 |
| 7931378 | Control system, projector, program, and information storage medium A control system includes a principal light source for outputting light to a light path used for image projection, an auxiliary light source for outputting light to the light path, and a control section for controlling light intensity of the auxiliary light source, ... | 04/26/2011 |
| 7926957 | Multi-projection display A multi projection display includes a plurality of projector units to modulate light from an LED light source according to image information to project, a unit image information generating unit to generate unit image information to be inputted to each of the plurali... | 04/19/2011 |
| 7918566 | Image display apparatus, image display method, and program product therefor There is provided an image display apparatus including a display portion that displays a first image in a given display region, a projection portion that projects to superimpose a second image on the first image displayed with the display portion in the display regi... | 04/05/2011 |
| 7909474 | Display apparatus using bilinear electromechanical modulator A digital projection apparatus has a first light modulation subsystem with a first light source producing linear illumination of a first spectral color and a second light source producing linear illumination of a second spectral color. A first light modulator chip (... | 03/22/2011 |
| 7901088 | Projection display apparatus and image forming apparatus with efficient power consumption A projection display apparatus includes an image forming section that forms an image based on image information received from an external device, and a projection lens that projects the image formed by the image forming section. The projection display apparatus incl... | 03/08/2011 |
| 7887197 | Light source unit and projector with light source apparatus A light source unit includes a light emitting element, a substrate on which the light emitting surface is disposed, a sealing portion which transmits light from the light emitting surface, and a collimator lens having an inverted truncated hexagonal pyramid shape fo... | 02/15/2011 |
| 7866830 | Illumination device and projector An illumination device includes: a light source section emitting coherent light; and a phase modulation section onto which the coherent light emitted from the light source section is incident, modulating the phase of the coherent light, forming a phase modulation pa... | 01/11/2011 |
| 7857464 | Projection image position adjustment method A projection image position adjustment method of applying position adjustment to, using two adjustment images, two projection images on a projection surface projected to have an overlay area by two of a plurality of projectors in a multi-projection display. The meth... | 12/28/2010 |
| 7845807 | Projection apparatus and three-dimensional-shape detection apparatus A projection apparatus, which is provided with a plurality of semiconductor light-emitting elements for emitting light, a spatial modulation element that performs spatial modulation of light emitted from the semiconductor light-emitting element and outputting image ... | 12/07/2010 |
| 7841726 | Illumination system and projection system incorporating the same An illumination system and a projection system incorporating same are disclosed. The illumination system includes a two-dimensional array of independently operable light sources. Each light source illuminates substantially the entire active area of a pixelated optic... | 11/30/2010 |
| 7832876 | Projection display for converting light beams into an optical image A projection display includes first and second light sources, a reflection/transmission member which partially transmits a first light beam from the first light source and partially reflects a second light beam from the second light source, and a light valve which c... | 11/16/2010 |
| 7789517 | LED package, display panel, illumination system and projection system employing the same An LED package having improved light efficiency, and an illumination system and a projection system employing the LED package. An LED package to provide light to a display panel having a plurality of rotatable micromirrors to form images, the LED package includes a ... | 09/07/2010 |
| 7784949 | Illuminator with switching and diffusing elements An illuminator includes a laser light source that irradiates laser light, a switch element that switches over between exiting optical paths of the laser light entered, and a plurality of diffusion-illuminating elements that allow the laser light entering through the... | 08/31/2010 |
| 7775669 | Illumination system An illumination system including a first integrator, a first dichroic element, a second dichroic element, a first light source, and a second light source is provided. The first integrator has a first light incident end and a first light exit end. The first and the s... | 08/17/2010 |
| 7766490 | Multi-color primary light generation in a projection system using LEDs Amber light LEDs have a higher luminance than red light LEDs. A vast majority of images displayed on television consists of colors that can be created using amber, green and blue components, with only a small percentage of red. In one embodiment of the present inven... | 08/03/2010 |
| 7748851 | Optical system The invention relates to an optical system adapted to project a cylindrical, spherical, conical or other three-dimensional display surface onto every direction in the distance or receive images from every direction at such a three-dimensional imaging surface. The op... | 07/06/2010 |
| 7748852 | Digital planetarium apparatus A digital planetarium apparatus includes an original image generator, an intermediate image generator, and a fish-eye lens. The original image generator is formed of two video projectors and generates semicircular images in display devices inside the respective vide... | 07/06/2010 |
| 7744225 | Light source apparatus that collects and provides different-colored light rays emitted by a plurality of different-colored light sources and a projector comprising such light source apparatus In a light source apparatus, a reflector has an inner reflective surface complementary to a part of the outer surface of an ellipsoid with a pair of focal points. The surface part has a first one of the pair of focal points therewithin. An array of light emitting el... | 06/29/2010 |
| 7726818 | Image forming apparatus and method An image forming apparatus which forms a whole image including a first part image and a second part image on a front side of an image forming target unit formed by overlapping portions of the first and second part images is disclosed. The image forming apparatus inc... | 06/01/2010 |
| 7722193 | Light source apparatus for optical projecting system A light source apparatus for an optical projecting system is disclosed. A light source is disposed on a first optical axis. A second optical axis is perpendicular to the first optical axis. A plurality of light-guiding devices are respectively disposed on the first ... | 05/25/2010 |
| 7703929 | Edge blending device, light shielding device and multi-projection system An edge blending device which suppresses an increase in a luminance of a projection screen in an overlap area in which projection lights projected from a plurality of projection units onto a screen overlap each other, is characterized by including: a light shielding... | 04/27/2010 |
| 7686457 | Projection image display apparatus and multi-projection system A projection image display apparatus is disclosed which enable users to observe an image in an overlap area well. The apparatus comprises a first projector which projects a first image onto a projection surface, a projection area detector which acquires a projection... | 03/30/2010 |
| 7673995 | System and method for projector alignment A system for supporting a projector on a support structure relative to a projection surface includes a plurality of base members connectable with the support structure and having a position adjustable relative to the projection surface. The system also includes a ba... | 03/09/2010 |
| 7651226 | Light masking for a segmented display system A segmented display system in which the display devices are arranged in a NĂ—1 array is described. The segmented display system includes a plurality of projection devices that each project a portion of an image on a corresponding one of the display devices in the NĂ... | 01/26/2010 |
