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7630130 |
Directional screen and image projection system
To provide a directional screen which can efficiently converge light from a projector on an observer and which is hardly affected by external light. That is, multiple transparent protrusion...
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7629041 |
Diffuser disk for LCD applications, method for the production and use thereof
The present invention relates to diffuser sheets for LCD applications encompassing at least one light-scattering polymethyl methacrylate layer which comprises a polymethyl methacrylate matrix and...
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7623290 |
Portable screen assemblies for projectors
A portable screen assembly includes a first side support and a second sides support, where the first side support and the second side support are connected to a fabric. The portable screen assembly...
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7619814 |
Portable projection screen assembly
A portable screen assembly includes a first side support connected to a fabric, a second side support connected to the fabric, and a center support assembly. An expandable support brace is also...
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7612938 |
Portable projection screen assembly
A portable screen assembly includes a first side support assembly connected to a fabric, a second side support assembly connected to the fabric, and a center support assembly. The first side...
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7609442 |
Synchronizing screen
Embodiments of synchronizing modification of an optical characteristic of a screen are disclosed.
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7597447 |
Color correcting contrast enhancement of displays
Methods and apparatus are provided for color correction and contrast enhancement of projection displays. A visual display system includes a projector having a light source with a fixed spectral...
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7595930 |
Portable front projection screens
Portable front projection screens include: (a) a first panel having opposing primary outer and inner surfaces, the first panel having at least first and second portions that are foldable relative...
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7595789 |
Transmission screen
A transmission screen having a writable and erasable surface for one side is provided. This transmission screen is constructed so that the writable and erasable surface should have a specular gloss...
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7589893 |
Wall element with cut-out for flat screen display
A wall panel has a glass outer face which in turn is provided with a decorative design, for example by painting, mirroring, partial mirroring, coating, printing or else placing an inlay or the like...
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7581837 |
HDR displays and control systems therefor
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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7570422 |
Display device, multi-screen display device, and display device manufacturing method
In an image-displaying screen that is formed of a plurality of plates having lens structure, the reliability of the fixing between the plurality of plates is enhanced. A screen that displays an...
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7554730 |
Woven projection screen
A woven projection screen includes a viewing portion having a front side facing toward a viewing zone. The viewing portion includes a plurality of first filaments having asymmetric geometries in...
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7554729 |
Rear projection display apparatus and transmission type screen
A rear projection display apparatus is provided which includes a transmission type screen installed on the front face of an apparatus main body, and a video projector disposed inside the apparatus...
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7548670 |
Thin and efficient light collimating device
A light collimation device comprising a wave guide plate ( 100 ) having a first surface ( 101 ), an opposing faceted second surface ( 102 ) comprising a plurality of essentially planar parallel...
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7532395 |
Lens sheet for screen
There are provided a lens sheet for a screen, which is highly stable by virtue of a reduced tendency toward warping, lifting and the like of the lens caused by external humidity and, at the same...
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7532176 |
Light source apparatus and image projection apparatus
The present invention provides a light source apparatus and an image projection apparatus having the light source apparatus. The light source apparatus includes a lamp for emitting white...
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7522338 |
Winding projection screen
The winding projection screen comprises a support structure, a winding roller and a projection sheet wound on said roller. The support structure comprises a top horizontal support plane and a...
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7515336 |
Selective reflecting
A projection screen that includes a multilayer, multiband, single stack device that selectively reflects light with wavelengths in plurality of narrow wavelength bands, and methods for making the...
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7499215 |
Video screen panel apparatus and system
A first panel includes an optically transmissive body having a front side and a rear side. The body has a width, a height, and a depth. The depth is substantially less than either of the width or...
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7499213 |
Rear projection display apparatus and transmission type screen
A rear projection display apparatus includes a transmission type screen, a video projector, a lens sheet, a plurality of pull portions, and a pulling device. The transmission type screen is...
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7494224 |
Lecture presentation system
A lecture presentation system includes a display screen and a projector for projecting an image onto the display screen. The display screen has image-receiving strip members linked to one another...
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7480096 |
Screen characteristic modification
Embodiments of modifying an optical characteristic of a screen are disclosed.
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7466482 |
Display unit
A display unit includes a housing having a front end portion, upper and lower walls, and two opposite side walls, and formed with a rib that protrudes from one of the upper and lower walls and that...
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7457035 |
Composite light based adjustment
Embodiments of sensing light are disclosed.
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7453633 |
Perforate projection screen with inconspicuous seams
A perforate projection screen for movies, planetariums and the like having inconspicuous seams and uniform reflectivity throughout its visible surface. The screen is made from a plurality of...
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7453632 |
Projection screen coating
A projection screen for displaying an image projected as a combination of primary colors, the projection screen comprising a coating applied to a substrate. The coating contains one or more...
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7446937 |
Inflatable projection/imaging screen structure
An inflatable structure for viewing video images or projected images, the inflatable structure comprised of a plurality of panels sewn or heat welded together to form a desired shape, the interior...
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7443581 |
Adjustable optical characteristic
Embodiments of adjusting an optical characteristic are disclosed.
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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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7433122 |
Front-projection screen with subsurface diffusion targets
An apparatus, system, and method for a front-projection screen having a subsurface diffusion target are disclosed herein.
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7433121 |
Projection type image display apparatus
A screen is hung from a screen frame with hanging members bonded to the upper side of a front sheet. Supporting members are disposed on the lower side of the front sheet and, by mounting a Fresnel...
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7423809 |
Reflective screen
A reflective screen is provided. A reflective screen that displays an image by reflecting light from a light source includes a reflective sheet, a light-scattering sheet, and an adhesive layer...
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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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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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7403333 |
Projection television
A projection television including a screen providing a picture; a cover provided to a front portion of the screen; and a screen rear supporting assembly provided in rear of the screen to support a...
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7403332 |
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. The screen is illuminated with light from a light source...
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7397603 |
Deployable projection screen
Embodiments of apparatuses, methods and systems for deployable projection screens are generally described herein. Other embodiments may be described and claimed.
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7382335 |
Video information display system and display apparatus applicable to the same
A display apparatus for displaying video information by superimposing a plurality of images obtained through a plurality of display systems, each being constituted by a light source, a reflection...
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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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7372628 |
Display screen
A display screen for a projection device is disclosed, wherein the display screen includes a substantially rigid translucent backing structure, and a viewing surface disposed on the backing...
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7369310 |
Tensioned projection screen
A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame and a screen. The frame includes a plurality of frame...
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7359118 |
Method for producing mold for use in duplicating light diffusion sheet, light diffusion sheet and method for producing the same, and screen
A method of producing a mold for use in duplicating a light diffusion sheet is provided. The method includes a step of conducting sandblasting for blasting abrasive material from a blast gun to a...
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7352507 |
Screen assembly
A screen assembly is disclosed, wherein the screen assembly includes a frame including a screen retention section configured to receive and retain the screen, wherein the screen retention section...
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7352424 |
Altering surface of display screen from matt to optically smooth
A matt surface ( 7 ) of a display screen ( 2 ) is converted to a non-diffuse optically smooth surface ( 11 ). The matt surface may be a diffusive surface ( 7 ) formed on a birefringent film ( 6 )...
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7339758 |
Etching method, a substrate with a plurality of concave portions, a microlens substrate, a transmission screen and a rear projection
An etching method is disclosed. The etching method includes the steps of: preparing a substrate 5; forming first and second films 61, 62 each having predetermined internal stress on the...
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7327516 |
Mobile screen storage compartment (MSSC)
A mobile screen storage compartment that stores a video display screen and is attached to one side of a truck trailer. The screen is extended, retracted and held in place using hydraulic lift...
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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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7316257 |
Portable screen assembly
A portable screen assembly which is easily assembled and highly compact when disassembled is provided. The assembly includes a collapsible base having at least three leg members and a central...
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