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8184214 |
Reflective liquid crystal display apparatus
At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer...
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8177366 |
Stereoscopic image projecting system using circularly polarized filter module
A stereoscopic image projection system using a circular polarization filter module is provided. Even though this system uses a single projector, it allows left and right images to have different...
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8177369 |
Reflective liquid crystal projector and image reproduction apparatus
Laser light beams are diffused and shaped by diffractive optical devices such that they are introduced to corresponding pixels of a liquid crystal layer over an entire area of a display region of a...
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8172401 |
Edge lit locally dimmed display
An edge lit locally dimmed display has a spatial light modulator illuminated by a light source. The light source is positioned at an edge and behind the spatial light modulator. The spatial light...
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8172404 |
Projection with lenslet arrangement on speckle reduction element
In a coherent light projection system including an image forming system, a relay system, a speckle reduction element, and a projection subsystem, the relay system can have a first f-number, and the...
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8169554 |
Projection display apparatus and display method using the same
A projection display apparatus has a beam controller provided on the optical axis of an optically-modulated linearly-polarized beam, to allow the beam to travel therethrough to reach a screen or...
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8162485 |
Intermediate image formation optical system, image formation device, and methods thereof
An image projection device performing pixel shift in synchronization with sequential updating of image data is disclosed that is able to start and stop pixel shift operations within a period of...
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8159624 |
Projector
A projector capable of increasing in the contrast by reducing the amount of leakage of light due to reflection of light on the surface of a retarder is to be provided. A retarder is placed and...
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8154672 |
Reflective liquid crystal display apparatus
At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer...
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8154671 |
Reflective liquid crystal display apparatus
At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer...
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8144269 |
Reflective LCOS displays utilizing novel polarizing beam splitters
Disclosed are display systems using reflective liquid-crystal microdisplays that efficiently use unpolarized light sources without needing to double the étendue of the source as occurs with ...
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8130331 |
Projection-type display apparatus
Provided are an illumination optical system allowing light beams to be condensed and enter an illumination area at different angles from each other, color separating elements that separate colors...
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8125426 |
Image displaying apparatus and image displaying method
In an image displaying apparatus, first and second detecting units detect quantities of light propagating through a light path at two different locations. A variation calculating unit calculates...
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8125579 |
Polarized light emitting diode and use thereof
Provided is a light emitting diode (LED). The LED, in one embodiment, includes a reflective layer located over a substrate and a quarter wave plate emitter layer located over the reflective layer....
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8118437 |
Optical device and projector
An optical device that includes a light modulation device, a projection optical device, and a retention member that holds the light modulation device and the projection optical device. The...
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8111337 |
Liquid crystal projector
An LCD projector has LCD panels, each including polarization plates one on the light incidence side and another on the light emitting side of each LCD panel. The LCD panel is provided with a highly...
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8107020 |
Color-based microdevice of liquid crystal on silicon (LCOS) microdisplay
The invention pertains to an improved LCOS microdevice that eliminates colored lights required generally in a prior art system. According to one aspect of the present invention, the LCOS structure...
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8107021 |
Liquid crystal projection apparatus utilizing image synthesizing unit with liquid crystal panel holders
A liquid crystal projection apparatus having an image synthesizing unit including a color synthesization prism having an upper surface, a lower surface facing the upper surface, and three light...
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8107023 |
Projection displays
A projection display which includes first and second waveguide elements, wherein the first waveguide element has a two input regions for injecting image bearing light into the first waveguide...
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8107780 |
Display projectors
The present invention is directed to a display which presents an image along a line of sight of an observer, such that the image is overlaid on a real world scene has a first waveguide and an image...
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8107022 |
Liquid crystal device and electronic apparatus
An LCD having pixels arrayed along a first direction and a second direction crossing the first direction includes: opposite first and second substrates having facing first and second surfaces,...
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8098339 |
Integrated single panel projection engine
The present invention discloses an integrated single-panel projection engine (500) including a collimated light source (400), a main polarization beam splitter (200), a supporting polarization beam...
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8094246 |
Polarization conversion device, polarized illumination optical device, and liquid crystal projector
A polarizing split layer and a reflection layer are alternately provided on bonding surfaces between prism rods which constitute a polarized beam splitter array. Polarization conversion devices are...
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8089442 |
Image projection apparatus
An image projection apparatus is disclosed which projects an image having a good color by reducing the influence of a lateral electric field in a liquid crystal display element (LCD). The apparatus...
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8081280 |
Method of producing UV stable liquid crystal alignment
In a liquid crystal display device, a method for creating desirable pretilt angle by means of topography of the substrates, such as a surface that is sloped with respect to the surface of the...
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8070295 |
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 a...
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8068189 |
Liquid crystal display and liquid crystal projector
A plurality of liquid crystal modulation electrodes is arranged in a matrix on a semiconductor substrate 28, a light transmitting substrate 47 with a transparent electrode 23, and a semiconductor...
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8054418 |
LCD apparatus
An LCD apparatus includes LCD panels for modulating irradiated light based on picture signals, a projection lens for extendedly projecting the light modulated by the LCD panels, a light source for...
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8054389 |
Liquid crystal display apparatus having particular optical compensation layers
A liquid crystal display apparatus which includes an optical compensation layer in addition to a liquid crystal panel and which is capable of preventing degradation of the optical compensation...
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8049860 |
Glass substrate for reflective mirror, reflective mirror including the glass substrate, glass substrate for liquid crystal panel, and liquid crystal panel including the glass substrate
A glass substrate for a reflective mirror of a rear projection television (RPTV) which ensures display quality by quantitative control, and can reduce control cost and manufacture cost is provided....
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8049823 |
Projector, optical compensation method therefor, and liquid crystal device
The disclosure is directed to projectors, optical compensation methods and liquid crystal devices. In one example, a liquid crystal panel has a liquid crystal layer pinched between a pair of...
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8042951 |
Illuminant module and optical projection device
An illuminant module includes a lamp including a lampwick, a reflector and a guide cap, a lamp holder, a blower, and an axial fan. At least one portion of the lampwick is disposed in the reflector....
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8035758 |
Image display apparatus with light path separation to return a polarized light component
An image display apparatus includes a polarization conversion element which converts second color light of unpolarized light emitted from a light source into a first linear polarized light, and a...
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8035759 |
Polarization conversion device, polarized illumination optical device, and liquid crystal projector
Polarizing split layers 26 and reflection layers 27 are provided on bonding surfaces between prism rods 24a and 24b. Polarization conversion devices 25 are bonded to an emission surface from which...
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8029143 |
Illumination system
An illumination system for providing an illumination beam to a light valve is provided. The illumination system includes a light source, a light integration rod, a color wheel, a first focusing...
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8026985 |
Reflective liquid crystal display apparatus
At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer...
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8026986 |
Projection type display device
A projection type display device is provided to display high quality images. In the device, a WB-PBSW 2 is inclined to liquid crystal display devices 1r, 1b, 1g and has wire grids 2a parallel with...
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8023050 |
Optical device and projector
An optical device includes a vertically aligned liquid crystal cell that holds a liquid crystal material, a compensating element made of a negative uniaxial refractive material having an optical...
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8016424 |
Rear projector and projection system
A rear projector includes: a screen; a display light source that emits a display light; a first optical modulation element that modulates the display light emitted from the display light source; an...
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8011789 |
Rear projection display
A rear projection display includes a projector for projecting light from a light source as an optical image, an exterior cabinet for enclosing the projector, a projection screen provided for the...
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7993017 |
Projection display apparatus
A projection display apparatus 101 in which the light quantity adjusting means has a simple and readily interchangeable structure, and which can improve image quality by adjusting the quantity of...
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7982848 |
Variable transmission light quantity element with dielectric layers and projection display
A variable light transmission device and projection display apparatus which does not generate vibrations and noises but is superior in light blocking property to a variable aperture using...
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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...
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7980701 |
Color combining optical system and image projection apparatus using the same
A color combining optical system includes a first polarization splitting surface for light in a first wavelength range, and a second polarization splitting surface for light in a second and third...
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7972009 |
Projector and projection unit
A projector includes: a light source which emits light; an image forming unit which forms an image having desired size by using light emitted from the light source; and a projection unit which...
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7967454 |
Electro-optic apparatus and electronic equipment
An electro-optic apparatus includes an electro-optic panel, a wiring board, and an integrated circuit unit. The integrated circuit unit including a heat radiating member arranged so as to overlap...
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7969516 |
Projector
A projector includes: a lighting device which emits illumination light; a liquid crystal panel which modulates the illumination light emitted from the lighting device according to image...
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7963658 |
Light modulator assembly
A light modulator assembly includes first, second, and third light modulators, with first and second dichroic mirrors. The first dichroic mirror is located at an optical pupil of said assembly and...
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7959306 |
Displaying method of digital light processing (DLP) projector and DLP projector using the same
A displaying method of a digital light processing (DLP) projector includes the steps of: providing a light modulation device including a driver printed circuit board and a digital micromirror...
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7959300 |
Projected image display unit
A projection image display device including a display plane for displaying an image, a projection mechanism projecting an image on the display plane, and an imaging mechanism arranged on the same...
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