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US20120033184 STEREOSCOPIC VISION GLASSES AND STEREOSCOPIC VISION ELECTRONIC APPARATUS  
Stereoscopic vision glasses include a right-eye shutter and a left-eye shutter axisymmetric to each other with respect to a symmetric axis. Each of the right-eye shutter and the left-eye shutter...
US20120287360 Polarization Compensated Stereoscopic Systems  
Disclosed embodiments include stereoscopic systems having at least one compensator operable to reduce the sensitivity of polarization control over incidence angle of image source optics and...
US20100296059 Polarization modulation wheel  
A polarization switch provides substantially ideal binary polarization switching over a broad range of wavelengths using a polarization modulation wheel having at least one retarder stack that...
US20150153582 Polarization compensated stereoscopic projection  
Disclosed embodiments include stereoscopic systems having at least one compensator operable to reduce the sensitivity of polarization control over incidence angle of image source optics and...
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...
US20140247428 POLARIZATION PRESERVING 3D SCREEN  
Projection 3D systems and polarization preserving 3D screens are described that substantially increase polarization contrast ratio and viewing angle. The screen comprises a structured surface...
US20140055753 3D PROJECTION OPTICAL SYSTEM AND DUAL-CHIP LIGHT SPLITTING AND LIGHT COMBINING MODULE THEREOF  
A dual-chip light splitting and light combining module is provided, which comprises a light splitting prism, a first mirror, a first polarizing TIR prism, a first displaying chip, a second mirror,...
US20140253879 Polarization conversion system and method for projecting polarization encoded imagery  
A polarization conversion system separates light from an unpolarized image source into a first state of polarization (SOP) and an orthogonal second SOP, and directs the polarized light on first...
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...
US20110051092 OPTICAL ELEMENT, OPTICAL UNIT, AND PROJECTION DISPLAY APPARATUS FOR SWITCHING POLARIZATION DIRECTION  
Each of a first polarization separation element and a second polarization separation element reflects one of two polarization components perpendicular to each other included in incident light and...
US20110205495 Waveplate compensation in projection polarization conversion system  
Three dimensional projection systems may be single projector or multiple projector systems. These 3D projection systems may include a polarization conversion system (PCS). The PCS may be designed...
US20130100414 Waveplate compensation in projection polarization conversion systems  
Three dimensional projection systems may be single projector or multiple projector systems. These 3D projection systems may include a one or more polarization conversion systems (PCS). Each PCS...
US20110310348 3D PROJECTOR  
A viewing system for viewing video displays having the appearance of a three dimensional image.
US20130088688 SPATIALLY MODIFYING POLARIZATION STATE OF LIGHT  
Systems and methods configured for outputting light having a polarization state distribution that is spatially uniform by applying a correction to, for example, a beam of light with a spatially...
US20100007852 LASER ILLUMINATED MICRO-MIRROR PROJECTOR  
A digital image projector includes a plurality of light modulation assemblies and a dichroic combiner. Each light modulation assembly includes at least one laser light source configured to provide...
US20130182227 Optical systems with compact back focal lengths  
Optical systems, such as 2-D and 3-D projection systems, may be configured to have a compact back focal length to allow for more compact projection lenses, lower throw ratios, improved contrast,...
US20130188151 THREE DIMENSIONAL IMAGE PROJECTOR WITH CIRCULAR LIGHT POLARIZATION  
A method is provided that includes providing a light source having a light emitting diode (LED) that emits a light. A polarization conversion system (PCS) is located adjacent the LED and has both...
US20140320822 POLARIZING BEAM SPLITTERS PROVIDING HIGH RESOLUTION IMAGES AND SYSTEMS UTILIZING SUCH BEAM SPLITTERS  
Polarizing beam splitters and systems incorporating such beam splitters are described. More specifically, polarizing beam splitters and systems with such beam splitters that incorporate multilayer...
US20100171890 PROJECTION STEREOSCOPIC DISPLAY  
A projection stereoscopic display includes: a stereoscopic display optical system receiving linearly polarized light from the light source and displaying a first picture and a second picture both...
US20130107218 System for stereoscopic cinema projection  
A system for stereoscopic cinema projection comprising at least one projector for projecting two images, one image for a first eye and one image for a second eye of a viewer, is proposed. The beam...
US20090284713 UNIFORM SPECKLE REDUCED LASER PROJECTION USING SPATIAL AND TEMPORAL MIXING  
A digital image projector includes a light assembly configured to project light along a light path from at least one laser array light source, the projected light having an overlapping far field...
US20130135588 3D display apparatus  
A 3D display is provided comprising at least one light source, a Switchable Bragg Grating device, a microdisplay and a projection lens system. In one embodiment of the invention the SBG device...
US20070188711 Multi-functional active matrix liquid crystal displays  
A direct view display provides a light modulating panel and a backlight including first and second sets of spectral emitters. The first set of spectral emitters generate a first light bundle and...
US20130076995 PROJECTION DISPLAY DEVICE  
A projection display device includes a first display panel (23a), a second display panel (23b), a PBS (Polarization Beam Splitter) (22) with a first surface (22a) and a second surface (22b)...
US20070153234 Display device for volumetric imaging using a birefringent optical path length adjuster  
A display device for generating a three-dimensional volumetric image incorporates an optical path length adjuster enables electro-optical control of a physical path length between a display panel...
US20140218648 DEVICE FOR THE POLARIZATION OF A VIDEO SEQUENCE TO BE VIEWED IN STEREOSCOPY  
A device for polarization of a video sequence to be stereoscopically viewed has a beam splitter, cells, mirrors, and a control circuit. The beam splitter receives an incident beam and separates it...
US20150261005 3D OBSERVATION DEVICE WITH GLASSLESS MODE  
A 3D observation device with glassless mode, where an observation hole in which two polarization plates having different polarization directions are arranged left/rightward and a monitor on which...
US20090103051 STEREO PROJECTION OPTICAL SYSTEM  
A stereo projection optical system includes an image assimilator and a transmission-type light modulator positioned to receive the emergent light of the image assimilator. The image assimilator is...
US20110285963 LOW THERMAL STRESS BIREFRINGENCE IMAGING SYSTEM  
An imaging system having reduced susceptibility to thermally induced stress birefringence, comprising; a relay lens, which images the object plane onto an intermediate image plane; a projection...
US20080304013 Projection Type Stereoscopic Display Apparatus  
Provided is a projection type stereoscopic display apparatus that can separately display far images and near images. The projection type stereoscopic display apparatus includes: a projector...
US20150241765 SEAMLESS EMISSION TILE QUILT  
A multi-layer display screen capable of being tiled without a visible gap between tiled screens and methods of using said device are described herein. In one embodiment, a system includes a light...
US20150002819 Polarization conversion systems for stereoscopic projection  
A polarization conversion system (PCS) is located in the output light path of a projector. The PCS may include a polarizing beam splitter, a polarization rotating element, a reflecting element,...
US20130169935 Polarization conversion systems for stereoscopic projection  
A polarization conversion system (PCS) is located in the output light path of a projector. The PCS may include a polarizing beam splitter, a polarization rotating element, a reflecting element,...
US20110205496 Polarization conversion systems for stereoscopic projection  
A polarization conversion system (PCS) is located in the output light path of a projector. The PCS may include a polarizing beam splitter, a polarization rotating element, a reflecting element,...
US20130188152 THREE DIMENSIONAL IMAGE PROJECTOR WITH TWO COLOR IMAGING  
A method for projecting a three-dimensional image, that includes providing a first light source and a second light source. A polarizing beam splitter (PBS) is disposed adjacent the first light...
US20110176114 Wide field-of-view stereoscopic projection system  
Disclosed embodiments relate to a stereoscopic projection system and methods. An exemplary disclosed projection system includes an optical component disposed between the lenses of a lens...
US20110013143 HIGH RESOLUTION 3D PROJECTION SYSTEM  
A high resolution 3D projection system having a light source (302) for generating and emitting light, a translucent rotatable drum (308) having differently polarized sections for receiving the...
US20090141242 STEREO PROJECTION APPARATUS USING POLARIZED SOLID STATE LIGHT SOURCES  
A digital image projector includes a first polarized light source; a second polarized light source that is orthogonal in polarization state to the first polarized light source; a polarization...
US20130188147 THREE DIMENSIONAL IMAGE PROJECTOR WITH TWO COLOR IMAGING  
A system provided for projecting a three-dimensional image. The system includes a first light source, emitting a light of a first color and a second light source emitting light of a second color....
US20090185138 PROJECT-TYPE THREE-DIMENSIONAL IMAGE REPRODUCING APPARATUS  
The present invention provides a projection-type three-dimensional image reproducing apparatus that enables stable provision of a three-dimensional image display by preventing occurrence of...
US20090079941 THREE-DIMENSIONAL IMAGE PROJECTION SYSTEM AND METHOD  
An image projection system having an optical projector and a method for projecting an image. The image projection system enables viewing the images in three dimensions and securely viewing the...
US20140176912 Polarized Stereoscopic Projection System and Method  
A stereoscopic display system and method of stereoscopic projection that include a polarization-switching light source and a polarization-preserving projector. The polarization state of the...
US20140176911 THREE DIMENSIONAL IMAGE PROJECTOR  
A method is provided for projecting a three-dimensional image. The method includes providing a first light source that emits first eye images and a second light source that emits second eye...
US20100328429 STEREOSCOPIC IMAGE INTENSITY BALANCING IN LIGHT PROJECTOR  
In a light projection system, potentially hierarchical levels of light intensity control ensure proper laser-light output intensity, color channel intensity, white point, left/right image...
US20090213330 STEREO PROJECTION USING POLARIZED SOLID STATE LIGHT SOURCES  
A stereoscopic digital image projector includes (a) a plurality of light modulation assemblies, each comprising: (i) at least one solid-state light source energizable to provide illumination...
US20140185016 Color-Based Stereoscopic Projection System and Method  
A stereoscopic projection system and method of generating light that include two or three infrared lasers, two optical parametric oscillators, and six or seven second harmonic generators. Six...
US20090096991 STEREO PROJECTION OPTICAL SYSTEM  
A stereo projection optical system includes a polarization converter, a 2-way wheel, a retarder, and an image engine. The polarization converter is configured for converting an incident light into...
US20130242066 WAVELENGTH SEPARATION DEVICE, PROJECTOR, AND IMAGE DISPLAY SYSTEM  
A wavelength separation device includes a waveplate adapted to convert the polarization direction of light in a predetermined wavelength band so that right-eye and left-eye image light in a...
US20110096295 Combining P and S rays for bright stereoscopic projection  
A multiple path stereoscopic projection system is disclosed. The system comprises a polarizing splitting element configured to receive image light energy and split the image light energy received...
US20130113788 Imaging path speckle mitigation  
Disclosed herein are optical projection systems and related methods for projecting imagery employing shifting image position in-time to mitigate speckle. Exemplary optical systems may include a...

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