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7623189 |
Stereoscopic image display device comprising transmissive liquid crystal display element
A display device includes an image display unit having one surface and the other surface on which first and second images are respectively displayed. A first optical system leads a first image...
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7575327 |
Image display apparatus
An image display apparatus includes: a light source; a first light modulation element which has a plurality of pixels whose light modulation characteristics can be independently controlled and...
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7564509 |
Illumination of objects using spatial light modulators
Apparatus for illuminating an object comprising a first polarizing beamsplitter ( 2 ) which produces a first linearly polarized component ( 3 ) and an orthogonally polarized component ( 5 ). The...
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7557867 |
Optical engine and image projecting apparatus having the same
An optical engine is provided that includes a base frame, a video device assembly for generating a video signal, and a driving substrate detachably coupled to the video device assembly for driving...
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7528892 |
Projector device
A liquid crystal projector device of the present invention includes a lamp unit, an optical system for separating light emitted from the lamp unit into light of three primary colors, and an image...
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7466369 |
Portable projector using a transmissive microdisplay
A portable micro-display projector uses a light transmissive liquid crystal display system wherein light is projected co-linearly from a light source through, and is selectively altered by, a...
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7448755 |
Three-panel projection display apparatus for displaying color images
A three-panel projection display apparatus displays a color image by separating light emitted from a light source into lights of three primaries, i.e., red, green, and blue, with dichroic mirrors,...
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7420585 |
Image capture and display device
A display device for capturing and displaying images along a single optical axis. The device includes a display panel having a front side and a back side, said display panel capable of being placed...
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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 )...
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7400100 |
Discharge-lamp lighting apparatus and projector
A discharge-lamp lighting apparatus includes a control circuit that determines electric power supplied to a high-pressure discharge lamp after the high-pressure discharge lamp is started by an...
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7390093 |
Projection display with color segmented microdisplay panel
A single panel display may have discrete, dedicated segments associated with each of the primary colors. The segments may not be equally sized in some embodiments. The light from a light source may...
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7387389 |
Image display system and method
An image display device includes an image processing unit, a light source assembly, an optical modulator assembly, and a projection lens assembly. The image processing unit is configured to receive...
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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.
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7220005 |
Projection type video display apparatus
An object of the invention is to achieve a high intensity, a compact structure, a cost reduction and a heat radiation of a liquid crystal panel, in a projection type video display apparatus...
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7210797 |
Projector optical unit, projection type image display apparatus, and rear projection type image display apparatus
In a projection type image display apparatus, a projector optical unit for projecting an image onto a screen while magnifying a size of the image to be projected with respect to an original size of...
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7207679 |
Projection type video display
A video signal processing circuit inputs a video signal to perform processing such as frequency conversion as well as processing for generating data representing the APL (Average Picture Level) of...
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7204605 |
Illuminating device and projection type video display apparatus
The auxiliary light source has LED chips respectively emitting red lights arranged therein in an array shape, and has lens cells for parallelizing light arranged therein on the light exit side of...
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7185986 |
Projection type video display apparatus, light deflection device in projection type video display apparatus, and direct-view type video display apparatus
In a projection type video display apparatus comprising means for circularly scrolling and irradiating irradiated light in a direction perpendicular to the line direction on a hold-type display...
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7147331 |
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 R...
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7137708 |
Infra-red and ultraviolet filtration in projection systems
A method of generating a projection beam for projecting an image includes collimating the projection beam and filtering infra-red or ultraviolet radiation from the projection beam after the...
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7131735 |
Light source device, optical device, and liquid-crystal display device
A light source device, comprising a light guide block that is provided with an inner wall capable of reflecting light and is shaped as a hollow component to form a light guide, and a point light...
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7125123 |
Image projector
An image projector is disclosed. The image projector includes a lamp emitting light rays, a filtering unit having a first device including a plurality of color filters including a white color...
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7118227 |
Projection display device
An illuminating optical system for focusing a radiant light of a light source ( 1 ) onto a reflecting light valve ( 6 ) and a projection lens ( 7 ) for magnifying and projecting a reflected light...
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7114814 |
Projector having an illuminance detector
The invention provides a projector having a light source, a display device to modulate light emitted from the light source, a lens device to project light emitted from the light source via the...
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7114815 |
Lens device and projector having diaphragm mechanisms with apertures having inwardly curved sides
The invention provides A lens device of a projector for projecting light that has been modulated and emitted by a display device, wherein said lens device has an optical axis and is arranged...
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7111941 |
Method and apparatus for multiple-resolution light value projector
A projected image is created by receiving an image represented in a colorspace onto a projector device. The image is parsed into two or more color image components of the colorspace having two or...
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7111947 |
Lens device and projector having diaphragm mechanisms with substantially square apertures
The invention provides a lens device of a projector for projecting light that has been modulated and emitted by a display device, wherein said lens device has an optical axis and is arranged...
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7111946 |
Lens device and projector having diaphragm mechanisms with substantially triangular apertures
The invention provides a lens device of a projector for projecting light that has been modulated and emitted by a display device, wherein said lens device has an optical axis and is arranged...
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7108377 |
Video light producing device and projection type video display
To provide a projection type video display capable of reliably preventing a double image from being produced. A first light flux producer for producing a first light flux and a second light flux...
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7104651 |
Color scrollable projection system
A color scrolling projection system is provided, including a light source, a color separator, a color scanner, a light valve, and a control circuit. The light source generates and emits light. The...
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7097308 |
Highly efficient projection system
A highly efficient projection system is provided, including a light source, a color separator, a scrolling unit, a light valve, a projection lens unit, and a polarization conversion system. The...
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7070284 |
Projector apparatus
A projector apparatus includes digital micromirror device (DMD) Color temperature and adjustment of white balance with respect to projection light can be detected in a light condition in a...
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7066602 |
Projection type image display system capable of color scrolling
A highly-efficient projection system is provided, including a light source, a color separator, a scrolling unit, a light valve, and a projection lens unit. The color separator separates an incident...
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7055965 |
Projection type video display
A shutter device comprises a plurality of shutters. Each of the shutters is provided at a position in the vicinity of a fly's eye lens positioned on the side of a polarization conversion system...
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7042486 |
Image capture and display device
An image capture and display device includes an electronic motion image camera for capturing the image of a subject located in front of the image display device and a digital projector for...
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7033030 |
Projection-type display apparatus
An illuminating optical system for focusing a radiant light of a light source ( 1 ) onto a reflecting light valve ( 6 ) and a projection lens ( 7 ) for magnifying and projecting a reflected light...
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7018046 |
Display system with low and high resolution modulators
A display system is provided, the system including an illumination source configured to produce light and direct light along an optical path, a plurality of color filters disposed in the optical...
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7001026 |
Assembly for projecting an image onto a projection surface
In an apparatus for projecting a picture on a projection screen, having a light source ( 1 ) emitting light, whereby a luminous area ( 3 ) can be generated with said light, having a reflective...
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6984042 |
Convergence system for a projection display system
A convergence system 100 comprises a dichroic prism 102 for splitting and/or recombining light beams, intermediate parts 104 a , 104 b , 104 c and a light modulator 106 a , 106 b , 106 c ...
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6971750 |
Projection display apparatus
A projection display apparatus includes a display panel provided with first electrodes, a circuit board provided with a drive circuit including second electrodes for driving the display panel, a...
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6939008 |
Projection type display device
A projection type display device includes: a light source for emitting light including multiple light components falling within different wavelength ranges; pixels for modulating the light...
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6933987 |
Multi channel imaging engine apparatus
A multi channel video engine ( 10 ) for accepting, dividing, modifying and recombining light to project an image. A housing ( 12 ) encloses an optical assembly ( 28 ) having a dichroic mirror...
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6860605 |
Arrangement for the projection of a multi- coloured image into a projection surface
An arrangement for projecting a multi-color image, including at least two image-generating elements which enable generation of one partial color image each of the multi-color image, and a color...
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6851811 |
Projector including a relay optical system
A relay optical system, which focuses light from a light outgoing plane of an integrator rod into an image on a predetermined illumination area, has a first optical element for correcting at least...
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6834964 |
Liquid crystal projector
The present invention provides a liquid crystal projector including a plurality of liquid crystal panels, a prism for compositing the modulated plural color lights to generate a color image, top...
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6831708 |
Image display apparatus
As a structure capable of housing a recording/reproducing unit within a thin type image display apparatus without damaging the characteristic of the thin-type image display apparatus such as a...
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6827451 |
Multiple light valve lighting device or apparatus with wide color palette and improved contrast ratio
An apparatus is disclosed comprising a lamp which produces a first light which may be a white light; a first light valve, a second light valve, a first color separator, and a first aperture device....
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6817719 |
Array for projecting a polyciiromatic image on a projection surface
In an apparatus for projecting a multi-colored picture on a projection screen ( 17 ), having a light source ( 1 ) that emits multi-colored light, a color unit ( 9, 35 ), a first and a second light...
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6811263 |
Colored light separating device and single-panel color image display apparatus using the same
A colored lighting separating device and a single-panel color image display apparatus using the same include a colored light separator having a plurality of dichroic filters to separate incident...
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6805451 |
Horizontal/vertical dual-mode LCD projector
A horizontal/vertical dual-mode LCD projector includes a first casing having a square mounting open side, a second casing having a square mounting open side connectable to the mounting open side of...
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