Matches 1 - 50 out of 59 1 2 >


Match Document Document Title
US20070070297 Modulated Diode Pumped Microchip Laser Projector  
A laser projector including a green diode pumped microchip laser module projecting a green laser beam, an optical sensor receiving the laser beam, a power control circuit for the green diode...
US20100045939 LIGHT INTEGRATION APPARATUS FOR USE IN A PROJECTION DEVICE  
A light integration aparatus for use in a projection device is provided. The light integration apparatus comprises the first integration rod and the second integration rod symmetrically disposed...
US20090303446 LIGHT COMBINING METHOD, ILLUMINATION DEVICE, AND PROJECTION DISPLAY DEVICE  
A first light source arrangement pattern is defined by: defining segments opposing to each other and arranged at end positions out of three segments in a first unit and three segments in a second...
US20080074621 Micro-mirror device with selectable rotational axis  
A mirror device includes a controller to control and operate a changeover of the direction of the deflection axis of a mirror and/or the deflection direction thereof. And a display apparatus...
US20080297731 APPARENT SPECKLE REDUCTION APPARATUS AND METHOD FOR MEMS LASER PROJECTION SYSTEM  
A laser projection system is disclosed having reduced apparent speckle. The system includes a laser emitting a first beam on an optical element. The optical element emits a second beam incident on...
US20070171379 Projection system of changing environment influence on display  
A system of changing environment influence on display is applied to a projection system. A reflection device is disposed between light management module and lenses module and configured for...
US20090219491 Method of combining multiple Gaussian beams for efficient uniform illumination of one-dimensional light modulators  
An illumination system for transforming at least one laser light beam having a non-uniform distribution in a first axis and a second axis to a beam having a substantially uniform distribution in...
US20100060859 PROJECTION DISPLAY WITH LED-BASED ILLUMINATION MODULE  
A projection display device comprising an illumination module (100; 200; 301) and at least one projection lens (304) for projecting light from said illumination module (301) onto a projection...
US20090147222 Angle Diversity Antispeckling in Spot Displays  
Improvement of speckling noise is discussed in which a central light beam received at a double-sided mirror is divided into a plurality of sub-beams. An intensity of these sub-beams decays from a...
US20080316434 Multi-Resolution Digital Table Display System  
A multi-resolution digital table display system is provided for integrally displaying an image picture with more than one resolution. The multi-resolution digital table display system includes a...
US20090195752 Projector and digital micor-mirror device module  
A projector includes a light source system for providing an incident light, a digital micro-mirror device (DMD) module and a projection lens. The digital micro-mirror device module is disposed in...
US20150049310 PROJECTOR AND DISPLAY SYSTEM COMPRISING SAME  
The invention pertains to a projector comprising an optical engine, a projection lens, a means for light deviation, and an afocal lens system, wherein the projector has a total throw ratio between...
US20090262309 PROJECTION TYPE VIDEO DISPLAY APPARATUS  
A projection type video display apparatus has a lighting system, which comprises a multiplicity of light sources (11, 12) for emitting substantially parallel beams of light, a half-mirror (13),...
US20070222950 Projection apparatus and illmination system  
A projection apparatus including an illumination system, a display device and an imaging system is described. The illumination system includes a light source for providing a light beam and an...
US20130250249 PROJECTOR AND LIGHT INTEGRATION ROD THEREOF  
A projector includes a light source, a light integration rod, a light valve, and a projection lens. The light source provides an illumination beam. The light integration rod has a light incidence...
US20120236264 LIGHT SOURCE DEVICE AND PROJECTOR  
A light source device includes plural solid-state light sources, plural collimator lenses, a collection system, and a fluorescent layer that generates fluorescence from at least a part of the...
US20100053564 ILLUMINATOR AND PROJECTOR  
An illuminator includes: a first light source and a second light source that are disposed substantially symmetrically with respect to an illumination optical axis, wherein each of the first and...
US20100309440 MULTIPLE-LIGHTS-COMBINING ILLUMINATION DEVICE AND PROJECTION-TYPE DISPLAY APPARATUS USING THE SAME  
A multiple-lights-combining illumination device includes multiple light sources, multiple sub-rod integrators that respectively guide light from the multiple light sources, and a main rod...
US20100103380 CRITICAL ABBE ILLUMINATION CONFIGURATION  
The present invention relates to an optical projection illumination module that projects highly uniform radiative energy (e.g., visible light, ultraviolet radiation, infrared radiation, etc.) onto...
US20090323029 MULTI-DIRECTIONAL IMAGE DISPLAYING DEVICE  
Methods, devices, and systems are provided for displaying an image using a multi-directional image displaying device in a compact, configurable device having an expansive viewing angle. An image...
US20110222024 ILLUMINATION SYSTEM FOR PROJECTION DISPLAY  
An illumination system for a projection display is disclosed in the present invention. The illumination system has three light sources for providing three primary color rays, two collimators for...
US20060158615 Catadioptric 1x projection system and method  
A new and useful method and projection system for projecting an image from an object plane to an image plane is provided. The method and system is designed to operate at a 1× magnification, a...
US20080204666 IMAGE PROJECTION AND CAPTURE SYSTEMS  
An image projection system is provided that includes a projector configured to generate a visible projected image, a screen having an interior surface enclosing a three-dimensional space, and a...
US20110051096 PROJECTOR  
A projector includes: at least one light emitting device having a light emitting element adapted to emit a first outgoing light and a second outgoing light proceeding in a direction different from...
US20110285969 MICRO PROJECTION DEVICE FOR SIMPLIFYING OPTICAL COMPONENT AND INCREASING LIGHT-GUIDING PRECISION  
A micro projection device includes a light-emitting unit, a first lens unit, a reflective unit, a second lens unit, a prism unit, an image display unit and a projection unit. The light-emitting...
US20120081675 MASS MEDIA VIDEO PLAYER  
The present invention provides a mass media video player which comprises an edge blending apparatus for video signals, plurality of projectors, a plurality of reflector assemblies and a screen. By...
US20110122373 LIGHT EMITTING APPARATUS AND PROJECTOR  
A light emitting apparatus includes: a light emitting device, the light emitting device emitting first and second emitted light; a first optical element; and a second optical element, wherein the...
US20150124226 PROJECTION SYSTEM  
A projection system includes a projection lens, an image modulation device, a light-guiding rod and two light sources. The light-guiding rod is defined with an axial direction and has a first end...
US20140125957 LIGHT FIELD DISPLAY APPARATUS AND METHOD  
A light field display apparatus includes a plurality of projectors to emit rays, and a screen to display the rays emitted by the plurality of projectors. Positions of the plurality of projectors...
US20130308104 LIGHT SOURCE APPARATUS AND IMAGE PROJECTION APPARATUS  
A light source apparatus includes a first reflector having a first reflection face; a second reflector having a second reflection face, the first reflection face of the first reflector and the...
US20120281187 HIGH INTENSITY IMAGE PROJECTOR USING SECTIONAL MIRROR  
Image projectors with increased light intensity and methods for providing brighter images are provided. Image projectors, described herein, can provide the brightness while still providing any or...
US20100309439 LIGHT SOURCE FOR PROJECTION SYSTEM AND PROJECTION DISPLAY APPARATUS  
The present invention provides a light source device for projection display, comprising a light source to be supplemented and a laser light source. The laser emitted from the laser light source...
US20100290010 PROJECTION APPARATUS AND TRANSPARENT SCREEN FOR IT  
There is provided a projection apparatus using an oblique projection optical system, which generates little reflection loss by providing a linear Fresnel lens at an incident surface in the case...
US20100277700 IMAGE DISPLAY APPARATUS  
Provided is an image display apparatus, including: a light modulation element; an illumination optical system which includes at least one light source unit including a plurality of light emitting...
US20100277699 BEAM ALIGNMENT CHAMBER PROVIDING DIVERGENCE CORRECTION  
A beam alignment chamber comprising: a base, first and second side walls connected to the base, and a front wall located at the front edge of the base having an output opening. The beam alignment...
US20100277698 DIGITAL PROJECTOR USING ARRAYED LIGHT SOURCES  
A beam alignment chamber extending in a length direction comprising a base having a front edge, and two side edges, first and second opposed side walls connected to the base, and extending along...
US20100208213 ENTIRE-VISUAL-FIELD PROJECTION DEVICE, AND ENTIRE-VISUAL-FIELD IMAGE SYSTEM  
An entire-visual-field projection device which projects image information relating to an entire-visual-field image onto a spherical screen to provide the entire-visual-field image to a viewer...
US20100195059 LIGHT SOURCE DEVICE AND PROJECTION DISPLAY DEVICE USING THE SAME  
First and second lamps 1, 2, first and second ellipsoidal mirrors 3, 4, first and second spherical mirrors 5, 6, and a plane mirror 7 are provided. The first spherical mirror 5 is provided on the...
US20100157433 HEAD MOUNTED DISPLAY  
Disclosed herein is a head mounted display including: an eyeglasses frame-like frame to be mounted onto an observer's head; and two image display devices, each of the image display devices...
US20100157252 ILLUMINATION APPARATUS AND PROJECTOR  
An illumination apparatus includes first and second light source units. An optical axis converting element has a first surface that reflects a luminous flux emitted from the first light source...
US20100110390 HIGH INTENSITY IMAGE PROJECTOR USING SECTIONAL MIRROR  
Image projectors with increased light intensity and methods for providing brighter images are provided. Image projectors, described herein, can provide the brightness while still providing any or...
US20170038668 DISPLAY APPARATUS  
A display apparatus includes multiple display modules. Each of the display modules includes a display surface, a projecting device, and first, second, and third reflectors. The display surface has...
US20160156886 A METHOD FOR REDUCING SPECKLE EFFECT  
According to the present invention there is provided a method of reducing speckle in a primary light spot which is projected onto a surface by a projection device which comprises a laser, wherein...
US20160054648 DUAL PROJECTION IN SHORT SCREEN DISTANCE  
A theatre system is described that includes a screen and a projection system. The projection system includes a first mirror and a second mirror that are positionable within axes for imaged light...
US20150293436 METHOD AND PROJECTOR FOR PROJECTING AN IMAGE ONTO A PROJECTION SURFACE  
A method for simultaneously projecting two images onto a projection surface may include generating a first and second illumination beam based on first and second image data, which are...
US20150146173 LIGHT SOURCE SYSTEM AND DISPLAY APPARATUS COMPRISING THE SAME  
A light source system includes a laser module and at least one light coupling module. The laser module includes a plurality of laser sources, each of which provides a light beam. The light...
US20140098350 OPTICAL DEVICE  
According to the present invention, there is provided an optical device comprising, a plurality of light sources each operable to provide a light beam; at least one beam combiner which is operable...
US20140049755 ILLUMINATION LIGHT GENERATION APPARATUS  
An illumination light generation apparatus includes a light source unit and an emission unit. The light source unit includes first and second light source groups that radiate a plurality of light...
US20130278904 DUAL PROJECTOR CROSS-MIRROR ACTUATOR MECHANISM  
A mirror actuator system is provided for aligning images projected onto a curved screen by dual projectors. According to a preferred embodiment, a unique screw mechanism is provided for...
US20130176542 METHOD AND DEVICE FOR PROJECTING AN IMAGE  
According to the present invention there is provided a method for projecting an image on to a display surface, comprising the steps of, providing two or more projection systems; arranging the two...

Matches 1 - 50 out of 59 1 2 >