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US20100315597 Apparent Speckle Reduction Via Beam Offset Diversity in Pupil Space  
Briefly, in accordance with one or more embodiments, beam position diversity or beam offset diversity in pupil space performs the complement to angular diversity by maintaining angular content of...
US20130044293 PROJECTION SUBSYSTEM  
Projection subsystems are described. More, particularly, projection subsystems that include a light source and a polarizing beam splitter are described. The polarizing beam splitters of the...
US20140176818 HYBRID POLARIZING BEAM SPLITTER  
Polarizing beam splitters and systems incorporating such beam splitters are described. More specifically, hybrid polarizing beam splitters and systems with such beam splitters that incorporate...
US20130335708 REFRACTIVE POLARIZATION CONVERTER AND POLARIZED COLOR COMBINER  
The disclosure generally relates to refractive polarization converters, polarized color combiners using the refractive polarization converters, and in particular polarized color combiners using...
US20140253849 TITLED DICHROIC POLARIZING BEAMSPLITTER  
The disclosure generally relates to beamsplitters useful in color combiners, and in particular color combiners useful in small size format projectors such as pocket projectors. The disclosed...
US20060077350 3-Panel transmissive projection system  
The invention relates to a 3-panel transmissive projection system. In particular, the invention relates to a 3-panel transmissive projection system applying reflective type polarizers for both...
US20130169937 TILTED DICHROIC COLOR COMBINER I  
The disclosure generally relates to color combiners, and in particular color combiners useful in small size format projectors such as pocket projectors. The disclosed color combiners include a...
US20130169893 TILTED DICHROIC COLOR COMBINER II  
The disclosure generally relates to color combiners, and in particular color combiners useful in small size format projectors such as pocket projectors. The disclosed color combiners include a...
US20070195271 Projection system with scanning device  
A projection system is described for displaying image information, comprising an illumination system for generating a light beam, a scanning device comprising a mirror for scanning the generated...
US20070296921 Projection display with a cube wire-grid polarizing beam splitter  
A display apparatus includes a cube wire-grid polarizing beam splitter with a plate wire-grid polarizer disposed between a pair of prisms secured together to form a cube. A reflective spatial...
US20110058145 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...
US20090179827 High Brightness Large Screen Projected Displays using LCoS Image Generators  
In an embodiment, a system is provided. The system includes a housing. The system further includes a first LCoS assembly coupled to the housing. The system also includes a second LCoS assembly...
US20090168025 DECOHERED LASER LIGHT PRODUCTION SYSTEM  
A decohered laser light production system is provided. The decohered laser light system comprises a laser source. The system further comprises a multi-mode fiber having an input face, an output...
US20100315596 WIDE COLOR GAMUT PROJECTOR  
A wide color gamut projector having a plurality of dichroic prisms configured to split a light beam into six primary color components and direct each of the six primary color components to...
US20080252853 COLOR-MIXING LASER MODULE AND PROJECTORS USING THE SAME  
A color-mixing laser module is disclosed, which is comprised of a laser unit capable of emitting red, blue and green laser beams; a beam combiner, for receiving and converging the laser beams...
US20130169894 TILTED PLATE NORMAL INCIDENCE COLOR COMBINER WITH A POLARIZING BEAM SPLITTER  
The disclosure generally relates to color combiners, and in particular color combiners useful in small size format projectors such as pocket projectors. The disclosed color combiners include at...
US20080304014 Rear Projector and Rear Projecting Method  
The application relates to a rear projector and a rear projection method. There is provided at least one projection screen, at least two beamers, each of the at least two beamers generating one...
US20050185140 Lighting device and projection type display system  
To provide a miniaturized lighting device that emits light appropriate for illumination of a display system and a projection type display system including the lighting device. A lighting device...
US20100026959 2D/3D PROJECTOR WITH ROTATING TRANSLUCENT CYLINDER FOR ALTERNATING LIGHT POLARISATION  
A 3D image projector having a translucent rotatable hollow cylinder, the hollow cylinder having differently polarized sections, and the projector being capable of passing a light beam generally...
US20110013146 ILLUMINATION APPARATUS AND PROJECTOR  
An illumination apparatus provided with a light source 4, a polarization splitter 6 disposed facing the light source at about 45 degrees with respect to its light emission direction, a first...
US20130063701 FLY EYE INTEGRATOR POLARIZATION CONVERTER  
The present disclosure relates generally to an optical element, a light projector that includes the optical element, and an image projector that includes the optical element. In particular, the...
US20150138508 High dynamic range, high contrast projection systems  
Display devices with high dynamic ranges approaching the limitations of the human eye are discussed herein. High dynamic range projections systems may be 2D or 3D and devices may or may not be...
US20070013871 Light-emitting diode (LED) illumination in display systems using spatial light modulators (SLM)  
System and method for enhancing performance in an SLM display system using LED illumination. A preferred embodiment comprises computing a set of spectral characteristics, analyzing the set of...
US20080013051 POLARIZING BEAM SPLITTERS INCORPORATING REFLECTIVE AND ABSORPTIVE POLARIZERS AND IMAGE DISPLAY SYSTEMS THEREOF  
An image display system including an illumination source configured to emit a light beam, a polarizing beam splitter, and an image-forming device. The polarizing beam splitter includes a...
US20080094578 Optical system for a projector, and corresponding projector  
Optical system for a projector, comprising: at least a first polarizing beam splitter for splitting a source illumination beam into a first illumination beam linearly polarized along a first...
US20120140184 DUAL TOTAL INTERNAL REFLECTION POLARIZING BEAMSPLITTER  
A dual TIR prism has an input prism, a wedge prism, an output prism, and a reflective polarizer. The dual TIR prism is configured to receive an optical beam at an entrance surface, to pass the...
US20130342769 Device for Generating Polarized Electromagnetic Radiation and Projector  
Device for generating polarized electromagnetic radiation has a diffuser and a polarizer. The diffuser is arranged in a beam path of the electromagnetic radiation. The polarizer is arranged in the...
US20110310349 LIGHT SOURCE DEVICE AND PROJECTOR  
A light source device which can prevent deterioration of a polarization rotation element and an adhesive for bonding the polarization rotation element is to be provided. A light source device...
US20120287406 OPTICAL PROJECTION SUBSYSTEM  
A projection subsystem includes a light engine that provides a collection lens, a collimator and at least one solid state light emitter. A projection lens assembly receives the image and provides...
US20110122371 OPTICAL PROJECTION SUBSYSTEM  
A projection subsystem includes a light engine that provides a collection lens, a collimator and at least one solid state light emitter. A projection lens assembly receives the image and provides...
US20140085609 POLARIZATION PRESERVING DLP OPTICAL ARCHITECTURE  
A DLP optical structure and corresponding method of controlling it are described including an optical integrator system having an optical integrator, a relay lens system, a TIR prism assembly, a...
US20150015849 PROJECTOR  
Disclosed is a projector, the projector including a light source, an illumination unit illuminating light incident from the light source, and a display device enabling to realize an image by...
US20110194076 Projector  
Disclosed is a projector, the projector including a light source, an illumination unit illuminating light incident from the light source, and a display device enabling to realize an image by...
US20080049190 OPTICAL PROJECTION SUBSYSTEM  
A projection subsystem includes a light engine that provides a collection lens, a collimator and at least one solid state light emitter. A projection lens assembly receives the image and provides...
US20080094577 Time-Multiplexed Led Light Source for Projection Displays  
A light source device for projection displays is disclosed, comprising a plurality of Light Emitting Diode (LED) devices. The plurality of LED devices are arranged to sequentially operate. A light...
US20090009719 COMPACT IMAGE PROJECTOR  
A representative embodiment of the invention provides a compact image projector having a light source coupled to a spatial light modulator (SLM). The light source has a substantially planar...
US20120075588 SPECKLE REDUCTING DEVICE AND PROJECTOR  
A speckle reducing device includes: a polarization splitter element with a polarization splitter portion that splits incident light into first and second light containing a first and a second...
US20070081129 Modular beam-recombining system and beam-recombining method threof  
A modular beam-recombining system includes a beam splitting/recombining module, a splitting-beam reflecting module, a polarizing beam splitter module, and an image displaying module. The beam...
US20090219488 Diode or Laser Light Source Illumination Systems  
There is provided a first illumination system having at least three diode and/or laser light sources including a red, a green and a blue light source. The first illumination system further has at...
US20140354956 LIGHT SOURCE DEVICE AND PROJECTION-TYPE DISPLAY APPARATUS  
A light source device includes a first light source that emits light of a first polarization, and a second light source that emits light of a second polarization whose polarization direction is...
US20140253881 EXCITATION LIGHT SYNTHESIZING UNIT, LIGHT SOURCE UNIT, AND PROJECTION-TYPE DISPLAY APPARATUS  
An excitation light synthesizing unit includes a polarization splitter film, first and second ΒΌ wavelength plates, and a reflection member. The polarization splitter film transmits excitation...
US20110279779 ETENDUE MAINTAINING POLARIZATION SWITCHING SYSTEM AND RELATED METHODS  
Etendue maintaining polarization switching occurs, according to various embodiments, with a mirror that quickly transitions between two positions. Light having uniform polarization is transmitted...
US20110102746 HALF-WAVE PLATE, OPTICAL PICKUP DEVICE, POLARIZATION CONVERSION ELEMENT, AND PROJECTION DISPLAY DEVICE  
A half-wave plate includes a single crystal plate made of an inorganic material having a birefringent property and rotatory power, wherein a polarization plane of linearly polarized light entering...
US20120069252 PROJECTOR SYSTEM  
A projector system includes a light source module, a light guiding plate, a polarizing beam splitter (PBS) module and a projection lens module. The light source unit includes a red-color light...
US20060092380 Clean-up polarizer and gamma control for display system  
In some embodiments, an optical engine for a display system utilizes a wire grid clean-up polarizer for polarization cleanup. In some embodiments, a liquid crystal component, separate from the...
US20080049191 PROJECTOR INCLUDING OPTICAL DEVICE  
A projector that includes an optical device is provided. The optical device includes a first flat plate formed of a negative uniaxial refractive material, the first plate having an incidence plane...
US20150153020 LIGHTING DEVICE AND PROJECTOR  
In a lighting device, light in a first wavelength range which is output from a light emitting element passes through a first phase difference plate, and is separated into a first light flux and a...
US20090009720 OPTICAL ENGINE  
An optical engine including a beam splitting and combining system, which includes a first polarizing beam splitting (PBS) unit, a dichroic unit and a second PBS unit, is provided. A first color...
US20110194077 Illuminating optical system for projector  
An illuminating optical system for a projector including a light source and a plurality of display panels, includes a first integrator that includes a plurality of lens cells that divide a...
US20110211166 PROJECTOR DEVICE  
A projector device including a light source, a plurality of panels for modulating light emitted from the light source in accordance with video information, the panels containing a liquid crystal...