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7443657 Dual position display in an electronic device  
An apparatus and method are disclosed for an electronic device ( 100 ) to incorporate two housing members ( 104, 106 ) to expose a first portion ( 112 ) of a display or screen ( 110 ) when closed....
7434946 Illumination system with integrated heat dissipation device for use in display systems employing spatial light modulators  
Disclosed herein is an illumination system for use in display systems employing spatial light modulators. The illumination system comprises a fastening mechanism for securing the bonding of the...
7436476 High durability and high performance polarization optics using a low-elasticity organic layer  
Described is an optical compensator device that can maintain a high degree of performance in the demanding environment of projection display. A mounting process involves using a sealant between...
7431461 Light propagation characteristic control apparatus, optical display apparatus, light propagation characteristic control program, optical display apparatus control program, light propagation characteristic control method and optical display apparatus control method  
Exemplary embodiments of the invention provide a light propagation characteristic control apparatus which realizes to extend the light-intensity dynamic range and the number of levels, and is...
7429111 Two-panel color management system  
The invention provides a two-panel color management system for projection display applications, wherein color sequencing is accomplished using achromatic beam switching and static color separation....
7423711 Display apparatus  
A display apparatus includes first and second oppositely disposed substrates, at least one of which is a transparent substrate, a display layer, disposed between the first and second substrates,...
7419267 HDR displays with overlapping dual modulation  
A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the...
7417618 Lighting apparatus and projection type display, and driving method therefor  
A lighting apparatus used for a projection type display is provided, which can change the incident ray volume to an optical modulation device without changing the optical output intensity of the...
7417611 Color liquid crystal display  
In an ECB LCD, in which a liquid crystal layer enclosed between a pair of substrates is driven based on R, G, B signals so that transmittance of R, G, B light components at the liquid crystal layer...
7413310 Spectral light division and recombination configuration as well as process for the spectrally selective modulation of light  
A system and method for separating and combining three spectrums of light has a polarizing beamsplitter, an input retarder or polarizer located adjacent a first side of the polarizing beamsplitter,...
7404644 Time-sequential colour projection  
A time-sequential colour projector comprises a pixellated light valve ( 2 ), such as a liquid crystal device, and a plurality of light sources ( 30, 31, 32 ). The light sources ( 30, 31, 32 )...
RE40397 Optical device and projector  
In an optical device ( 44 ), an optical axis (A) of a projection lens ( 46 ) is shifted relative to a central axis (C) of an image formation area of a liquid crystal panel ( 441 ), and a central...
7391568 Luminous intensity distribution control device and display having the same  
A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer; a backlight apparatus arranged at one side of the couple of substrates of the liquid...
7380947 Multi-step turn off mode for projection display  
Disclosed herein is a method of operating display systems with reduction of the warm-up time of an arc lamp in the event of an accidental or unintentional turn-off.
7377652 HDR displays having location specific modulation  
A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the...
7375772 Color video projection system employing reflective liquid crystal display devices  
A system including a light source, a polarizing beam splitter, and first, second and third light valves is provided. The light source produces light in first, second and third wavebands in a second...
7370974 Toy with virtual character  
The present invention provides a toy that makes character movement realistic, A transparent LCD screen that is visible from the front of the room is disposed within the room so as to be in contact...
7364305 Projector  
A projector which is small in size and excellent in light utilization efficiency while keeping the advantage of a spatially-pixel-arrangement type is provided. The luminous flux emitted from a...
7365821 Liquid crystal display having dummy bump connected to dummy lead for heat reduction  
A liquid crystal display for use in a LCD projector includes a liquid crystal display panel including a TFT substrate, a counter substrate, and liquid crystal interposed between the TFT substrate...
7365721 Projection display  
The present invention provides an inexpensive projection display that allows a pixel grid as ineffective portions of respective pixels of a light valve to be made inconspicuous. The projection...
7364303 Image display apparatus  
At least one exemplary embodiment is directed to an image display apparatus, which can include multiple color combining elements, multiple light modulating elements, and a projection optical...
7362388 Liquid crystal display device, and optical block  
A reflection type liquid crystal projector is provided which includes liquid crystal display panels ( 5 R, 5 G and 5 B) to modulate color rays of light (R, G and B) corresponding to three primary...
7359008 Dynamic range and contrast enhancement for microdisplay  
The invention relates to a light valve system that enhances the contrast ratio for light and dark video images and reduces contouring artifacts. The light valve system comprises a color selection...
7357519 Optical projection device  
An optical projection device including a light source, a housing, an imaging unit, a projection lens and a dust protection device is provided. The light source is adopted for providing a light...
7352416 Polarization direction of incident light beam perpendicular or parallel to liquid display molecular orientation for reduced drive voltage  
A liquid crystal display element comprising two transparent substrates, at least one of which is transparent, and a liquid crystal layer interposed between the two substrates. A plurality of pixels...
7349048 Method and apparatus for adjusting light intensity  
A variable retarder and linear polarizer are placed in series in a polarized light path. A transmission axis of the linear polarizer is parallel to an axis of a polarization of the polarized light....
7345724 Projector and liquid crystal panel unit for use in projector with optical sheet edge-tilting mechanism  
A projector includes: a liquid crystal panel in which liquid crystal molecules to be irradiated with light from a light source are sealed; a polarizing plate disposed in a position to face the...
7339638 Micro-lens substrate, liquid crystal display element having same, and projection-type liquid crystal display device  
A liquid crystal panel unit ( 2 ) includes, on its side from which light enters, a micro-lens substrate ( 1 ) having: a first micro-lens array including a first lens ( 5 ) for converging, for...
7333157 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...
7330223 Assembly and adjustment of optical kernel for LCD projectors  
The present invention discloses an improved optical kernel assembly for liquid crystal display (LCD) projectors, which includes a base frame; a top frame being arranged substantially in parallel...
7327409 Projection type image display system capable of color scrolling  
An image display system includes an illumination system, a light valve, a polarization beam splitter, and at least one polarizing element. The illumination system includes a light source, a color...
7301586 LCD TV and projection-based backlight system used therefor  
An LCD TV includes a housing, an LCD screen panel disposed on the front side of the housing, a first mirror disposed on the back side of the housing and a projection-based backlight system disposed...
7287866 Video projection apparatus  
An image projection apparatus according to the present invention includes: a light modulation system; a projection optical system for projecting a two-dimensional image onto a surface to be...
7287860 Display device, display method, and projector  
The invention provides a display device and a projector that can improve display performance with a simple structure without accompanying the enlargement of the device. The display device of the...
7277140 Image shifting device, image display, liquid crystal display, and projection image display  
The invention provides an image shifting device including at least one image shifting part for periodically shifting the position of an optical axis. The image shifting part includes a liquid...
7277090 Method and apparatus for image and video display  
The present invention relates to a display configured to display images that includes multiple display elements capable of controlling light within a visible-light spectrum. The display elements...
7274411 Liquid crystal display device  
A liquid crystal display element which has the high speed response and the high contrast and a display device employing the same are provided. In a display device employing a reflection type liquid...
7270425 Projection type video display  
An optimal processing portion ( 21 ) inputs a video signal (RGB signals) and analyzes 1-frame video in the video signal. For example, if the intensity of red color is 0 percent in all dots in...
7268852 LCOS display panel having a micro dichroic layer positioned in the back plane to filter colors  
An LCOS panel has a back plane, a plurality of pixel electrodes positioned on a surface of the back plane, a light absorbent layer positioned on the pixel electrodes, a micro dichroic layer...
7261421 Optical projector and image display apparatus using the same  
Image disturbance called speckle noise occurs when an image generator has a small effective screen size and a projection lens has a small effective diameter. The present invention is intended to...
7258451 Optical projection device and adjusting method thereof  
An optical projection device including an illumination system, a reflective light valve and a projection lens is provided. The adjustable reflection sheet is disposed behind the adjustable rod...
7255448 Pixelated color management display  
A display system includes a light source, a spatial light homogenizer, and imaging optics. The spatial light modulator has a plurality of modulator pixels. The display system also includes a...
7255450 Projection type display apparatus, rear projector and multi-vision system  
The present invention provides a small projection type display apparatus capable of suppressing an optical path of incident light and an optical path of output light in a reflection type light...
7244028 Laser illuminated projection displays  
A projection video display includes at least one laser for delivering a light beam. The display includes a beam homogenizer and a condenser lens. A scanning arrangement is provided for scanning the...
7242444 Space light modulating apparatus, projector including same, process for manufacturing microstructure element used in same, and microstructure element manufactured by same process  
A space light modulating apparatus includes a modulating unit that modulates incident light based on an image signal including a plurality of pixels and a light-shielding part placed between the...
RE39702 Projector  
An output light from an a light source lamp unit 8 in a projection-type display apparatus projector illuminates liquid-crystal light valves 925 R, 925 G and 925 B for three colors...
7230661 Display device having an additional light source unit  
A display device is disclosed. The display device includes a lamp emitting light, a plurality of filters dividing the emitted light into a red light, a green light, and a blue light, an additional...
7226172 Illumination attenuation system  
Provided are several apparatus and methods to attenuate illumination light in a projector. Illumination light may be attenuated by directing polarized light toward a liquid crystal (LC) attenuation...
7215391 Liquid crystal on silicon display with micro color filters positioned on the top surface of the transparent substrate  
An LCOS display panel includes a silicon substrate having a plurality of pixels arranged in a pixel array thereon, a transparent substrate positioned above the silicon substrate, a liquid crystal...
7213925 Optical modulator, optical device and projector  
A liquid crystal panel ( 441 ) as an optical modulator includes: a driving board ( 441 C) having a plurality of signal lines, a plurality of switching elements connected to the signal lines and a...