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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...
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...
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...
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...
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...
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...
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,...
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...
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 )...
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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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