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7453639 |
Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet
In a diffusion sheet 101 , a plurality of approximately trapezoidal columnar unit lens portions 11 are disposed such that the long-axis directions thereof are in parallel with each other, and...
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7453636 |
High contrast optical path corrected screen
By using high and low refractive index materials, a planarized reflective-refractive Fresnel lens and a planarized refractive lenticular lens can be created. These flat screen components eliminate...
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7453635 |
Imaging material with improved contrast
An imaging material has been developed which provides improved image contrast, increased gain and increased viewing angle. A method for production of the screen element is also described. The...
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7453634 |
Discontinuous or variable thickness gain modification coating for projection film and method for making same
The present invention relates to projection films and methods of making the same. In particular, the present invention relates to a projection film whereby the microspheres exhibit improved...
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7440186 |
Screen, a fresnel lens sheet used for the screen, and an image display apparatus using the screen
The present invention provides a technology suitable for shortening a depth of a image display apparatus while obtaining a picture of high quality. According to the invention, a total reflection...
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7436593 |
Screen, fresnel lens sheet used therefor, and image display apparatus using the same
Images that are bright even on the periphery of a transmissive screen are obtained by reducing reflection loss of the screen when the screen incident angle of the image light entering the upper...
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7436592 |
Combination screen
A combination screen. The combination screen can be configured to provide both light diffusion functionality and light redirection functionality.
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7434938 |
Display device movable for front and rear projection
A display device has a screen, a housing, a mirror, and a projector. The housing extending away from one side of the screen and has an opening. The mirror is disposed within the housing. The...
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7434937 |
Methods and systems for calibrating rear projection video
A video system includes a video projector located in a housing a display screen disposed adjacent to the housing, wherein the display screen is capable of being tilted to expose the video...
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7425071 |
Video display device and decoration display body
An image display apparatus that can display three-dimensional-like images having a superior visual effect in a simple manner is provided. This image display apparatus is constituted by a projector ...
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7423808 |
Rear projection screen with spatial varying diffusing angle
A Fresnel lens of the prior art is split into two Fresnel lenses to allow easier control of the horizontal and vertical viewing angles. In a second embodiment, the Fresnel lens is entirely...
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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...
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7417795 |
Projector screen for image projection
The invention relates to a projector screen for image projection, comprising a transparent support ( 16 ) which fixes the screen shape and a light-scattering layer, which covers at least one...
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7417794 |
Polymer sheet for projection screen
A polymer sheet for use in a projection screen comprises polyorgano silsesquioxane microspheres that enhance light diffusing characteristics. Also disclosed is a projection screen comprising at...
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7413309 |
High dynamic range display devices
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...
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7413307 |
High dynamic range display devices
A display has a first array of pixels connected to emit individually-controlled amounts of light onto a second array of pixels. The second array of pixels is connected to pass...
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7408709 |
Screen and method for manufacturing the same
A screen for displaying an image by projection light includes: a selectively reflective layer having reflection properties with respect to light in a specific wavelength region corresponding to the...
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7408708 |
Diffusing sheet, surface light source unit, and transmission type display
A diffusing sheet, a surface light source unit, and a transmission type display that can attain uniform illumination so that the brightness of light on the display screen appears uniform regardless...
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7408707 |
Multi-region light scattering element
A multi-region light scattering element with the optical characteristics of low speckle, high resolution high contrast, and high gain when used as an imaging element without any resulting loss of...
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7407294 |
Multi-direction image viewing system
A multi-direction image viewing system includes a triangular or rectangular image case, and plural projectors symmetrically installed to the inner sides of the image case in three or four...
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7403334 |
Optical member and process of producing the same
The present invention provides an optical member having excellent anti-reflection properties, capable of being produced inexpensively as compared with conventional optical members having...
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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...
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7382534 |
Screen and projector with spherical lens array
A screen includes a lens array having a plurality of spherical lens elements. A first length of the spherical lens elements, along a first direction at substantially a center of each of respective...
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7379240 |
Rear projection-type screen and rear projection-type image display device
A rear projection-type screen includes two sheet-like members having lenses prevented from being deformed and scratched. In the rear projection-type screen ( 5 ) for passing and focusing image...
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7377656 |
Projector
A projector of rear-projection type including a light source that outputs a laser beam and a scanner that scans a screen with the laser beam. When a laser beam with energy exceeds an accessible...
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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...
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7375884 |
Rear projection screen and optical device thereof
A rear-projection screen comprises an optical unit, a light-blocking layer, and an optical lens. The optical unit has a first surface and a second surface. The first surface is opposite to the...
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7375883 |
Lens sheet, transmission type screen, and rear projection type display
A lens sheet, transmission screen, and a rear projection display are provided. The lens sheet includes fly-eye lens elements periodically arranged on one side of a transparent base, wherein the...
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7369311 |
Lens sheets for rear projection screens
A lens sheet for use as a Fresnel lens sheet or a lenticular lens sheet of rear projection screens, which includes a plastic substrate and a lens element disposed on the plastic substrate. The...
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7365907 |
Rear projection image display apparatus
A compact rear projection image display apparatus in which the projection distance in a projection optical system is substantially reduced and no reflection mirror is used, thereby eliminating a...
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7362503 |
Screen, Fresnel lens sheet used for the same, and image display apparatus using the same
The present invention provides a technology that makes it possible to display high-quality images by reducing a reflection loss of the image light entering the upper left and right ends of a...
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7360906 |
Projection optical system unit and projection-type image display apparatus using the same
A projection optical system unit has a lower pedestal. The lower pedestal has first and second tubular portions opened to each other. An image formation device holding plate for a DMD is mounted on...
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7354158 |
Transmission-type screen and projection-type display device
Exemplary embodiments provide a transmission-type screen and a projection-type display device, which are superior in contrast. Exemplary embodiments provide a transmission-type screen characterized...
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7352508 |
Fresnel lens sheet and transmission type screen comprising it
The present invention provides a Fresnel lens sheet capable of effectively preventing such troubles as the production of double images that occurs due to stray light. A Fresnel lens sheet ( 1 )...
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7350925 |
Total internal reflection Fresnel lens and optical system using the same
Described is an optical lens having a light-receiving surface facing a light source and a first structured surface opposite a first portion of the light-receiving surface. The first structured...
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7342721 |
Composite dual LCD panel display suitable for three dimensional imaging
A three-dimensional imaging system and related methods is provided that utilizes a composite transmissive LCD panel. The composite LCD panel contains at least two layers of stacked liquid crystal...
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7342719 |
Projection screen with reduced speckle
The projection screen assembly minimizes speckle while preserving high ambient viewability. The screen assembly, having a light-source side and a viewing side, includes a screen layer, a polarizing...
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7341353 |
Variable fresnel screen for use in projection device
A thin rear projection television using a wide angle lens system is provided. In an embodiment, a fresnel screen is used in which there are at least two spatial zones in the screen with different...
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7339733 |
Fresnel lens sheet and rear projection screen using it
A Fresnel lens sheet which is bright due to a small light quantity loss, is restricted in speckles and ghosts, does not produce moires, and can be used in an inexpensive transmitting screen,...
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7339732 |
Scratch-resistant rear projection screen and method for producing the same
The present invention relates to a rear-projection screen encompassing at least one light-scattering polymethyl methacrylate layer, which comprises a polymethyl methacrylate matrix and spherical...
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7338176 |
Elevator installation with information representation on a shaft door
An elevator installation includes an elevator car moved in an elevator shaft between floors in a building. A shaft door for closing the elevator shaft is arranged at each floor. A method for...
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7331679 |
Reflection unit having a mirror array, and projection display system employing the same
A projection display system includes a screen, an illumination projecting system to form an image using light radiated by a light source, to magnify the image, and to project the image along a rear...
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7330311 |
Transmission type screen having directional light scattering lens and fresnel lens
There is provided a transmission type screen having a directional light scattering lens and a fresnel lens, wherein the fresnel lens has contact portions that contact with the directional light...
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7329004 |
Rear projection display device
A rear projection display device improves the brightness by improving the utilization efficiency of image light projected to a screen from slantly below. At least a green component of the image...
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7324278 |
Black matrix light guide screen display
Provided is a black matrix light guide screen display. In a particular embodiment, provided are a plurality of aligned light guides, each having an input end, a midsection and a magnifying output...
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7324277 |
Both-side image film screen
Disclosed is a double-sided image film screen including a plastic material having a high optical transmission property and a light-refracting material, made of silica, having an optical...
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7317572 |
Fresnel lens sheet, rear projection screen and rear projection display
There is provided a Fresnel lens sheet for converging light rays fallen thereon from oblique directions, and capable of reducing the reflection of external light, of enabling displaying images in...
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7316482 |
Reflecting mirror and projection image display apparatus using the same
The present invention is directed to the provision of a reflecting mirror that suppresses decreases in the resolution performance and contrast performance by decreasing the mean surface roughness....
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7315417 |
Screen frame and bezel clip system
An apparatus and methods that facilitate efficient and easy installation of a display screen and protective shield onto a cabinet of a display unit such as a projection TV (PTV) and the like....
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7315416 |
Screen unit and projection type display apparatus
A screen panel includes a rigid glass, a lenticular lens and a Fresnel lens laminated with each other, and the edges of the screen panel are sealed. An air evacuation path is formed between the...
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