Match Document Document Title
9039207 Three dimensional image projector stabilization circuit  
A method for providing a feedback circuit for a three dimensional projector. First and second input devices and a sensor for determining the rotational speed of the second input device are...
9039185 LCOS projection system having beam recycling module with total internal reflecting prism  
A LCOS projection system includes an illumination device, a LCOS microdisplay element, a polarization beam splitter, an optical projection lens, and a beam recycling module. A first portion of the...
9033511 Illuminating device including reflective polarizing plate and projection display device using the same  
Provided is an illumination device that includes: light source (101); light guiding means (102) where light from light source (101) is supplied to one end surface, and light incident from the one...
9028071 Light emitting element, light source device, and projection display device  
Light source layer (4) includes substrate (10) and a pair of layers, namely, hole-transport layer (11) and electron-transport layer (13), formed on substrate (10). Directional control layer (5)...
9028070 Light emitting element having structural bodies arrayed at a first pitch along a first direction and arrayed at a second pitch different from said first pitch along a second direction and projection display device provided with same  
Provided is a light-emitting element having high luminance and high directivity and emitting light in a controlled polarization state. The light-emitting element comprises substrate 3 and light...
9022571 Optical device with adhesive bonding layer and siloxane bonding layer with leaving group, projection-type imaging apparatus utilizing optical device, and method for producing optical device  
An optical device includes: a light transmissive first substrate; a light transmissive second substrate; a polarizing layer disposed between the first substrate and the second substrate; a first...
9016873 Three dimensional image projector stabilization circuit  
A method for providing a feedback circuit for a three dimensional projector. First and second input devices and a sensor for determining the rotational speed of the second input device are...
9016865 Illumination device and projection type display device using the same  
Illumination device includes a light source (101); an illumination optical system (102, 103, 104, 106, 107) that spatially splits each of the plurality of color light beams emitted from the light...
9013671 System and method for displaying captions  
A system and method are disclosed for displaying different captions for selective viewing. A display is used for showing the captions in different color and/or polarization combinations, and...
9004693 Projector  
A projector includes a polarization conversion system and a reflective polarizer. The polarization conversion system receives unpolarized light including first S-polarized light and first...
9004692 Projector having diffusing unit and polarization conversion element  
A projector includes an illumination device having a light source device emitting light, and a polarization conversion element adapted to emit light from the light source device as polarized...
8998435 Lighting device  
The invention relates to a lighting device (10), comprising a multistage lens (1, 2, 3), which spectrally and spatially collimates the transmitted light (5, 6). The illumination device is...
8998419 Illuminating device and projection display device using the same  
Provided is an illuminating device that includes: first light guiding means (3) where light incident from one end surface is propagated inside to exit from the other end surface; illuminating...
8998420 Optical element, light source device, and projection-type display device  
A hologram layer (13) is irradiated by light from an optical element (10). The hologram layer (13) is provided with a first hologram (14) that diffracts in a predetermined direction, from among...
8998418 Color light mixing method, color light mixing device and small-sized projecting system having such color light mixing device  
A color light mixing device, a color light mixing method and a small-sized projecting system using the color light mixing device are provided. The color light mixing device includes a tube...
8998421 Projector having polarization conversion  
A projector includes a solid-state light source that emits linearly polarized light, a birefringence element that converts the linearly polarized light emitted from the solid-state light source...
8992024 Three dimensional image projector with circular light polarization  
A system is provided for projecting a three-dimensional image. The system includes a light source and a polarization conversion system for converting light emitted from the light source to...
8985775 Illumination optical system and projector including fluorophore  
An illumination optical system includes: a light source emitting light of a first wavelength; a fluorophore unit; an optical element and a quarter-wave plate between the optical element and the...
8979272 Multi-primary color display  
Embodiments of the present invention provide a method, apparatus and system of producing a color image using four or more primary colors. The apparatus, according to some demonstrative embodiments...
8979274 Display device  
A display device includes: a light source section; an optical modulator modulating light from the light source section based on a picture signal, to emit modulated light as picture light; a...
8960914 Laser projection apparatus with speckle reduction  
Provided is a laser projection apparatus which forms each one frame by performing two-dimensional scanning with laser light and projects images on a screen (201) with blanking periods inserted...
8960913 Three dimensional image projector with two color imaging  
A system is 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...
8960915 Optical element, light source device, and projection display device  
Optical element 10 according to the present invention comprises light guide body 11, surface plasmon excitation means 14 that is provided on the interface with light guide body 11 and that allows...
8964294 Method for reducing speckle effect in a laser scanning display  
Speckle effect in scanning display systems that employs polarized phase-coherent light is reduced by depolarizing the phase-coherent light using a depolarizer and scanning the depolarized light...
8955977 Projection-type image display apparatus  
A projection-type image display apparatus includes a color separation element including a color separation surface, a light modulation element configured to receive the light divided by the color...
8955975 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...
8955978 Polarization conversion device and projector system  
An external polarization conversion device used for a projector includes a first element which converts light from the projector to polarized light in a uniform polarization direction, and a...
8950869 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...
8922722 Projection apparatus for providing multiple viewing angle images  
A projection apparatus for providing multiple viewing angle images is disclosed. The projection apparatus includes a light source module, a polarizing light splitting element, a first and a second...
8919967 Micro projection system  
A micro projection system includes a primary prism as a light guide device. The primary prism has a bottom face and two slope faces. A light source module and a collimation lens are arranged at...
8919962 Optical apparatus and projection apparatus  
Provided is an optical apparatus including a polarization separation element for separating an incident light beam into a first polarization component and a second polarization component and...
8915596 Method and apparatus for concealing sensors and other components of electronic devices  
A concealing structure to at least partially conceal a sensor, light emitter or other component by at least partially preventing reflection of external light by an underlying structure. In some...
8905547 System and method for efficiently delivering rays from a light source to create an image  
In accordance with one embodiment of the present disclosure, a system may include a polarizing beamsplitter for splitting one or more unpolarized rays received from an illumination source into a...
8899754 Projection type image display apparatus and control method therefor  
There is provided a projection-type image display apparatus which is capable of solving the problem in which the reduction ratio of speckles is small. Light source emits a light beam that is...
8894210 Optical element, light source device, and projection-type display device  
An optical element is provided with: first polarization-separation layer (13) that is laminated on first surface (12b) of light guide body (12) and that, of the light incident from light guide...
8888292 Projection apparatus for providing multiple viewing angle images  
A projection apparatus is disclosed. The projection apparatus includes a light source module, a first light splitting element, a first light valve unit, a first light modulator, a second light...
8888291 Polarization optical apparatus having slidable polarization element  
A polarization optical apparatus including a reflection-type polarization element for transmitting a predetermined polarization component light. A slidably supported reflection-type optical...
8888290 Polarization beam splitters for image projection apparatus  
A polarization beam splitter includes at least six prisms assembled together to form a single solid components. At least one diagonal interface is formed by a combination of two or more prism...
8870384 Projection display device having light source device with color synthesis unit  
A light source device includes: a first light source (3a) that emits first polarized light of a plurality of colors including different wavelengths; a second light source (3b) that emits second...
8870382 Method of reducing speckles in liquid-crystal display with coherent illumination  
Disclosed is a method for reducing speckling in liquid crystal displays with coherent illumination. The method consists of providing a liquid-crystal display illuminated, e.g., with a laser light,...
8872985 Video projector system  
Some embodiments provide for a modular video projector system having a light engine module and an optical engine module. The light engine module can provide narrow-band laser light to the optical...
8870381 Mixed polarization imaging system for three-dimensional projection and corresponding methods  
An imaging system (300) configured to reduce perceived flicker in three-dimensional images is provided. The imaging system (300) can include a plurality of light sources (305,306,307), a light...
8857996 Illumination optical system and image projection apparatus  
An illumination optical system include a first lens array including multiple lens cells that split a light beam emitted from a light source into multiple light beams, a second lens array including...
8851681 Illumination device and display unit  
An illumination device includes: a light source section having plural kinds of light sources, in which the light sources emits light beams having different wavelengths; a parallelizing optical...
8845106 Projector having connection member fixed to color combining optical device  
In addition to reflective light modulation devices, reflective polarization plates, a color combining optical device, and support bodies, a projector is provided with connection members fixed to...
8840253 Light source apparatus and image display apparatus using the same  
A light source apparatus includes: an excitation light source including a laser light source; a first wheel that is controlled to rotate, and includes, in a part of a surface thereof to be...
8833944 Projector and image display method  
A red image is displayed on liquid crystal panel (111) by lighting red light source (101) for a predetermined period. A green image is displayed on liquid crystal panel (112) by lighting green...
8827457 Projector  
A projector includes: a plurality of reflection-type light modulation device which modulate a plurality of color light fluxes according to image information; a plurality of reflection-type...
8827459 Optical unit  
An optical unit includes a light source that emits light to be projected onto a screen, one or a plurality of optical elements that controls a spread of a beam of light from the light source to...
8820937 Optical polarization state modulator assembly for use in stereoscopic three-dimensional image projection system  
An optical polarization state modulator assembly for use in a stereoscopic three-dimensional image projection system includes a spatial light modulator, a light source emitting multiple wavelength...