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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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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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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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8147070 |
Projector
A projector can form images of illumination system on respective optical paths at positions of corresponding liquid crystal display panels with respect to a light emission surface of a cross...
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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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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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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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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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8063999 |
Glass polarizer and manufacturing method thereof
A glass polarizer having an excellent transmittance and extinction ratio with respect to light in the visible light range including blue using silver halide containing glass as a starting material...
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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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8025409 |
Optical apparatus and projection display system
An optical apparatus may include spectroscope means for splitting light irradiated from a light source into multiple color rays, polarizer means for polarizing the multiple color rays split by the...
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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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8004619 |
Optical element, imaging apparatus having such optical element, and optical apparatus having two such optical elements
An optical element is disclosed. The optical element may include a container having a holding chamber; a polarized or conductive and transparent first liquid filled in the holding chamber; a liquid...
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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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7982728 |
Display device
In a display device that provides a first observation region with a first picture and provides a second observation region with a second picture, a double image made of the first picture and the...
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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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7959299 |
Projector having reduced color shading
A projector including a lighting device for emitting light including first, second and third colored light beams. A first dichroic mirror separates the light into the first colored light beam by...
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7959297 |
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...
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7956938 |
Retardation compensation plate, retardation compensator, liquid crystal display device, and projection-type image display device
A retardation compensation plate having a birefringent property for compensating residual retardation of a liquid crystal panel includes: a combined unit formed of an optical multi-layered film...
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7948593 |
Projector having an adjustment mechanism
A projector includes: an optical modulator including a liquid crystal cell, a first optical element formed of an optical material having positive uniaxiality, a second optical element formed of an...
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7934837 |
Projection display device
In a projection display device which includes a light source for outputting a light and a plurality of light modulating devices for modulating the light from the light source based on an input...
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7918562 |
Projection optical system having a curved mirror
A projection display device comprises: a light source; liquid crystal panels disposed corresponding to R light, G light and B light; a light guiding optical system for guiding R light, G light and...
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7914150 |
Method of driving a spatial light modulator and projector
To reduce the color break-up and to provide high quality projection images. A method of driving a spatial light modulator, including generating a sub-frame pulse signal for a first colored light R1...
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7891824 |
Reflector for a lighting device and illumination system of a projection apparatus
A reflector for the lighting device and an illumination system of the projection apparatus are provided. The reflector comprises a first reflecting structure and a second reflecting structure...
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7878656 |
Stereo projection optical system
A stereo projection optical system includes a first polarizing beam splitter, a transmission-type light modulator positioned to receive the first polarized light component from the first polarizing...
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7862185 |
Mobile phone
A casing 20 of a mobile phone body is provided with a sub-liquid-crystal display panel 23, a projector lens 26, a light source 35 including an LED. The sub-liquid-crystal display panel 23 and the...
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7847868 |
Subpixels of a light valve pixel having characteristics adapted to complement light within a range of wavelengths
An apparatus, system, and method for subpixels of a light valve pixel having characteristics adapted to complement light within certain wavelength ranges are disclosed herein.
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7845800 |
Polarization converting element and projector provided with same
A polarization converting element includes: a main body that is made from a transparent member; an incident section that is provided to the main body, and upon which light generated from a light...
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7845803 |
Projector apparatus
The invention enables efficient cooling of: a light source providing source light; an optical system adapted to split the source light received from the light source into three primary colors R, G,...
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7845802 |
Illumination apparatus and projection display apparatus
An illumination apparatus includes a plate-like separation optical element having a dichroic surface and a PBS surface. The dichroic surface reflects green component light and transmits yellow...
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7834941 |
Image display device
At least one exemplary embodiment is directed to an image display device which includes a first TN liquid crystal modulator for modulating the polarization state of first colored light; a second TN...
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7821600 |
Projection display apparatus
A projection display apparatus for combining image lights formed by two or more of different liquid crystal panels through a prism, and projecting the combined image light onto a projection plane...
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7808587 |
Liquid crystal display apparatus and liquid crystal panel
A light-shielding plate and a first light-shielding layer are arranged between a polarizing plate and a liquid crystal layer in a peripheral region of a liquid crystal panel so that linearly...
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RE41768 |
System and method employing reflective imaging devices for a projection display
Projected systems (10, 12, 14, 16) include light source apparatuses (20, 24, 26) for programming narrow bands of unpolarized blue, green, and red light to associated reflective imaging devices that...
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7787080 |
Reflecting element and projection system comprising the same
A projection system includes a projector that emits imaging light, a polarization screen that selectively reflects, of the imaging light, only light in a specified state of polarization, and a...
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7773163 |
Reflective liquid crystal display device and projection display apparatus using the same
A reflective liquid crystal display device combined with an optical system with a wire grid is provided for light modulation by a liquid crystal layer. This layer, made of nematic liquid crystal...
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7753534 |
Projection device and projection control method
There is disclosed a projection device which includes a light source constituted of a reflector and a light source lamp, a projection system including a projection encoder for forming a light image...
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7742028 |
Display control apparatus and method
A display control apparatus that controls first and second modulation sections optically connected in series includes a storage unit and a control unit. The storage unit stores information to...
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7724313 |
Automatic dust-removing device for a liquid crystal panel and projector using the same
A projector (100) includes a light source unit (20), a light polarizing module (11), a color light separation optical module (12), a reflection mirror group (13), a liquid crystal panel group (17),...
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7717567 |
Lighting optical system
Disclosed is a lighting optical system, including: a lighting optical system, comprising, a light separating means for separating incident light into three colored lights according to wavelength...
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7717566 |
Light source and projector employing light source
The invention was made to provide a light source unit which can enhance the utilization efficiency of the dichroic prism which emits light that is emitted from a plurality of light sources in a...
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