Abstract: The present invention provides a reflective screen which can reflect high contrast images even in a bright environment and can reflect images with superior image color reproducibility, in particular, images substantially free from color change of the images, even when the screen is observed from an oblique direction. The reflective screen 6 of the present invention uses a multilayer optical film consisting of at least two kinds of alternately laminated transparent dielectric thin films showing different refractive indices, and selectively reflecting lights of specific wavelength regions as a reflecting layer 2, and the reflecting layer 2 has a light reflecting property for light in the wavelength regions of blue, green, red, and 670 to 730 nm, and shows average reflectances for lights of said wavelength regions higher than the average reflectance for light in the visible wavelength region other than lights of said wavelength regions, respectively.

Abstract: Embodiments of sensing light are disclosed.

Abstract: 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 pigments whose colors correspond to the primary colors.

Abstract: 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 perforate panels and is mounted, when in use, with a dark non-reflective chamber behind the screen. Any overlapped areas of the panels and any frame members or other objects, in close proximity to the back of the panels are covered with a black velour type material to prevent light reflection from panel holes where objects are in close proximity to the back of the panel. The edges of adjacent panels overlap to form seams with the overlapped edges of the panels being crimped to form recesses to receive the overlapping edge strip of an adjacent panel, thereby hiding the overlapping panel edge to reduce shadow lines and make the panel edges inconspicuous to viewers.

Abstract: 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 of the structure being constructed of a series of honeycomb/baffles or tubes for stability, the inflatable structure having an inlet port in communication with a blower unit for inflation of the structure, the inflatable structure having an outlet port for release of air pressure within the inflatable structure when desired, one face of inflatable structure being formed with a fastening means in order to secure a flexible resilient panel of white pigment or silver pigment or other desired pigment to form a screen onto which the video or projected image is projected.

Abstract: Embodiments of adjusting an optical characteristic are disclosed.

Abstract: 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 projector is moveable relative to the housing to selectively engage the opening for projection at the mirror and to extend away from a second side of the screen for projection onto a surface.

Abstract: A combination screen. The combination screen can be configured to provide both light diffusion functionality and light redirection functionality.

Abstract: 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 lens sheet on the supporting members, a tension is given by its weight to the front sheet in the vertical direction. Further, a tension in the horizontal direction is given to the front sheet. Long holes are so formed in the hanging members that the hanging members on the right and left sides of the screen by expansion or contraction of the screen are made greater in the extent of shifting in the horizontal direction than the hanging member in the central part.

Abstract: An apparatus, system, and method for a front-projection screen having a subsurface diffusion target are disclosed herein.

Abstract: An image display system that includes: a projector; and a screen device that displays a projection image being a projection result from the projector. In the image display system, the screen device includes a plurality of light diffusion units each having characteristics of light transmission and characteristics of light diffusion, and among the plurality of light diffusion units, the projection image is diffused by a second light diffusion unit after passing through a first light diffusion unit.

Abstract: 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 bonding the reflective sheet to the light-scattering sheet. The adhesive layer contains a coloring material that absorbs light in a particular wavelength region.

Abstract: 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 intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.

Abstract: 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 individually-controllable portions of the light. The display has a controller connected to control the pixels of the first and second arrays of pixels. The controller is configured to control the pixels of the first array of pixels to provide on the second array of pixels an approximation of an image specified by image data; determine a difference between the image and the approximation of the image at individual pixels of the second array of pixels; and control the pixels of the second array of pixels to modulate the approximation of the image according to the corresponding determined differences.

Abstract: 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 intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.

Abstract: 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 projection light, and having absorption properties with respect to light in a wavelength region other than the specific wavelength region. And the selectively reflective layer includes an optical multilayer film having a dielectric film and a light-absorbing thin film having transmission properties, and a reflective layer for reflecting light which has passed through the optical multilayer film.

Abstract: A reflective display screen comprises a first component surface responsive to absorb low level ambient light from above the screen and a second surrounding component surface responsive to light of high intensity from an image source. The first component surface is graphically formed to represent a fixed permanent image within the screen viewable only in ambient overhead lighting and without incidence of the high intensity light from the image source. Other embodiments include a method of displaying a permanent, fixed image and a method of making a display screen.

Abstract: A projection screen (10) includes a plurality of asperities (14) extending from a substrate, the asperities having faces oriented in a plurality of directions. A photosensitive material is disposed preferentially on the faces so that a differing amount of photosensitive material is present on faces oriented generally toward a projector direction (16) relative to faces oriented generally away from the projector direction (18).

Abstract: An image projection system that communicates an image into the air includes screen material particles, a screen generation device, a delivery device and a light projecting system. The screen generation device disperses the screen material particles from the screen generation device at a targeted screen location, thereby forming a projection screen. The delivery device launches the screen generation device from a launch location to the targeted screen location in the air. The light projecting device projects light from a projection location onto the screen to form the image on the screen so as to be visible from an observation location of a viewer.

Abstract: 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 comprising an array of controllable light-emitters. The controllable-emitters and elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.

Abstract: 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 rear of the screen. The screen rear supporting assembly includes, a fixing bracket coupled with rear edge of the screen; a supporting bracket provided with an inclined rib having an inclined surface inclined along a transverse direction to a rear surface of the screen facing the rear surface of the screen to connect to a rear of the fixing bracket; and a connecting bracket to connect the supporting bracket and the fixing bracket. Thus, the present invention provides a screen rear supporting assembly of a projection television, which is assembled with ease, and a screen scratch during the assembling operation of the screen rear supporting assembly can be prevented.

Abstract: Embodiments of apparatuses, methods and systems for deployable projection screens are generally described herein. Other embodiments may be described and claimed.

Abstract: Projection screen apparatuses that comprise at least a first and a second projection screen member having different optical properties are described. These screen members can be adapted to connect to each other to form a self-supporting structure in which the first projection screen member is oriented in a viewing position and the second projection screen member is oriented in a support position.

Abstract: An evaluation method for evaluating optical characteristics of an optical system, the evaluation method includes: providing an optical system that is an evaluation object and that has a light incidence section and a light emission section; disposing a first pattern having a fist predetermined pitch, in an optical path of light which is incident onto the light incidence section; disposing a projection surface having a second pattern with a second predetermined pitch, at the position to which the light emitted from the light emission section is reached; projecting an image of the first pattern onto the projection surface through the optical system; and evaluating the optical characteristics of the optical system by observing a state of moiré fringes which are generated onto the projection surface due to interference between the image and the second pattern.

Abstract: The invention relates to a screen for projectors which comprises a screen base in which at least two kinds of colorants selected from a colorant having an absorption wavelength region in 400 nm to 440 nm, a colorant having an absorption wavelength region in 470 nm to 510 nm, and a colorant having an absorption wavelength region in 570 nm to 610 nm are carried on the whole image display area of the screen base. Also disclosed are processes for producing the screen and projectors having the screen.

Abstract: Disclosed herein is a symmetrical projection screen. The screen includes a front screen member and a rear screen member. The front and rear screen members are made of a hard material, such as metal, or a hard film. Between the front and rear screen members is disposed a shock-absorbing member. The shock-absorbing member is made of a soft film having physical properties and material quality different from those of the front and rear screen members, such as compressed sponge, plastic foam, or poly vinyl chloride (PVC). The front screen member and the rear screen member are arranged in a front-and-rear symmetrical structure about the shock-absorbing member. Consequently, the deformation factors, such as external pressure or the change in the weather, are extinguished or cut off by the shock-absorbing member, whereby the flatness of the screen is maintained.

Abstract: 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 type liquid crystal panel and an optical system, characterized in that the apparatus comprises at least either of system selection means for selecting at least one of the plurality of display systems and modifying means for modifying the attributes of the image obtained through one of the display systems.

Abstract: The present invention generally relates to a laminated image panel and a fabrication method thereof for projecting images projected from an image optical engine, on a screen by reflecting and/or transmitting the images. The laminated image panel in accordance with the present invention comprises front elements, rear elements disposed in opposition to the front elements, sealants for forming a predetermined cell by mutually bonding opposed rim parts of the front elements and the rear elements and for sealing the front and rear elements by separating the front elements from the rear elements at certain intervals, and a diffusing medium injected into the cell and uniformly diffusing the projection images in transparent and/or semitransparent state.

Abstract: 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 intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.

Abstract: 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 structure, wherein the viewing surface has a frosted appearance. The display screen also may include a contrast-improving intermediate layer disposed between the backing structure and the viewing surface.

Abstract: 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 members and corner members.

Abstract: 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 surface of a mold base material to form unevenness in the surface of the mold base material, wherein the abrasive material is blasted to the surface of the mold base material at a blast angle of less than 90°.

Abstract: A method and apparatus apply an electric field across active layer, wherein active layer is configured to change from a first light attenuating state to a second lesser light attenuating state in response to the applied the electric field and wherein the second lesser light attenuating state permits light to be reflected from a light reflective face.

Abstract: 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 includes a channel configured to receive an edge of the screen, and a screen retaining member disposed at least partially within the channel between the screen and a first side of the channel, wherein the screen retaining member biases the screen against a second side of the channel to secure the screen in the screen retention section.

Abstract: 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) of an LCD screen (2). The display screen (2) is the front screen of a multilevel three dimensional display comprising layered screens (2, 3). The conversion from matt to non-diffuse and optically smooth surface reduces the blurring of displayed images.

Abstract: 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 substrate so that the internal stresses of the first and second films 61, 62 are canceled out or reduced with each other; forming a plurality of initial holes 63 in the first and second films 61, 62 to form a mask 6; and forming a plurality of concave portions 3 in the substrate 5 at portions corresponding to the plurality of initial holes 63 by subjecting the substrate 5 to an etching process using the mask 6.

Abstract: 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 devices and stabilizing devices stored in the compartment along with the display screen. Command and control of storage compartment components are provided by power, computer audio and video equipment stored within the mobile truck trailer. Electric cables connect the storage compartment components to equipment within the mobile truck trailer. The mobile screen storage compartment will allow for delivery of pre-recorded movies and shows or live broadcasts to large outdoors audiences.

Abstract: 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 end. A black matrix material is disposed adjacent to the light guides proximate to the magnifying output ends. The plurality of aligned light guides are arranged into a plurality of light guide layers, each layer one light guide thick. The magnifying output ends of each layer are aligned in substantially contiguous parallel contact with interposed black spacers to provide substantially the same magnification vertically and horizontally.

Abstract: 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 support pole. The assembly includes top and bottom frame members in parallel relation supported via the central support pole supporting a screen. The screen is held in place with the frame members via flaps, sleeves, or hooks and eyelets, and is completely removable and preferably wrinkle resistant. Side supports are optionally included to provide additional support for the top and bottom frame members. The frame members and side supports are optionally telescoping members or frictionally fitting or threaded separable members. The top portion of the central support pole preferably includes a top cap which is part of a mounting mechanism for mounting the top frame member. In the preferred embodiment, the mounting mechanism allows for keystoning of the screen.

Abstract: 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 lenses by wires inserted between the contact surfaces of the lenses, or by convexes or concaves previously formed on one of the contact surfaces. Because of the provision of the air evacuation path, the air between the lenses of the screen panel is sufficiently evacuated, and the lenses can closely attached to each other. Therefore, the flatness of the screen panel can be enhanced, and the degradation of the image quality can be prevented.

Abstract: A projection display device having a plurality of transmission screens, each having an image display portion of different dimension, and each having light transmissivity and being provided with a back surface layer having optical directivity on a back surface side; a main body capable of projecting a projection light, and a optical unit that guides the projection light from the projection device main body to the back surface of the transmission screen; and a supporting unit that supports one transmission screen selected from the plural transmission screens and the projection device main body. An image is displayed on the transmission screen by allowing the projection light guided by the optical unit to pass through from the back surface side. One transmission screen is selected, and the selected transmission screen, the projection device main body, the optical unit, and the supporting unit are assembled for use.

Abstract: An image projection module within a housing is operative for causing selected pixels in a raster pattern to be illuminated to produce an image on a display screen of VGA quality. The screen is modified and/or the bandwidth of a laser is increased, to reduce speckle noise in the image.

Abstract: A fabrication method for a rear-projection screen includes the steps of providing a light source and a lenticular lens sheet; projecting parallel light onto the lenticular portions of a lenticular lens sheet to make one surface of the lenticular lens sheet opposite to the lenticular portions have a plurality of bright and dark areas located thereon; detecting the locations of the bright and dark areas on the surface of the lenticular lens sheet opposite to the lenticular portions; and spreading an opaque material on all the dark areas.

Abstract: The projection system includes a plurality of projection apparatus including a frame. The frames of adjacent projection apparatus are interconnected by at least one bracket connected to vertical members of the adjacent projection apparatus. Adjacent projection apparatus define a viewing area defined by the upper members of the frames of the projection apparatus, the lower members of the frames of the projection apparatus and the outer frame edges of each of the adjacent projection apparatus. A viewing screen is disposed over this viewing area.

Abstract: A display apparatus includes an emissive screen having luminescent pixels that are addressed solely by a laser addressing system. Each pixel includes a luminescent region located next to a photocathode. When struck by the laser beam, free electrons are created that are accelerated by an applied high voltage field from the photocathode to the luminescent region, thereby causing the luminescent region to emit visible light with a brightness (energy) that is substantially higher than the energy of the addressing beam. Apertures are optionally provided in hexagonal luminescent regions to relax beam-scanning requirements. Optional millichannel plates (crude versions of 2nd generation night vision system Microchannel plates) are provided to enhance photon multiplication. A position sensitive device is implemented using the photocathode or photoanode (luminescent) material to facilitate the scanning and modulating process.

Abstract: 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 lens sheet on the supporting members, a tension is given by its weight to the front sheet in the vertical direction. Further, a tension in the horizontal direction is given to the front sheet. Long holes are so formed in the hanging members that the hanging members on the right and left sides of the screen by expansion or contraction of the screen are made greater in the extent of shifting in the horizontal direction than the hanging member in the central part.

Abstract: Fluorescent screens and display systems and devices based on such screens using at least one excitation optical beam to excite one or more fluorescent materials on a screen which emit light to form images. The fluorescent materials may include phosphor materials and non-phosphor materials such as quantum dots.

Abstract: Disclosed herein is a rear projection display apparatus, including: a housing; a screen provided on the front face of the housing; a mirror provided at a predetermined position in the inside of the housing and configured to reflect image light toward the screen; an optical unit including a projection lens configured to project the image light toward the mirror and an image apparatus configured to output the image light to the projection lens; a light source configured to supply a flux of light to the optical unit; and an optical device mounting plate having an upper face on which the optical unit is mounted and provided in a cantilever fashion on a wall provided on the inner side of a lower portion of the front face of the housing.

Abstract: Provided is a method of making a self-aligned light guide screen. More specifically, in a particular embodiment, fabrication may commence by providing a first ribbon section of light guides with at least one self alignment feature. A second ribbon section of light guides is provided with at least one self alignment feature configured to mate with the at least one self alignment feature of the first ribbon section. The ribbon sections are then stacked, the alignment features aligning the first and second ribbon sections.

Abstract: A front-projection screen can include a substrate having first and second opposing sides with an array of optical microstructures on the first side of the substrate and an image reflecting layer on the second side of the substrate opposite the array of optical microstructures. An optically absorbing layer is located between the image reflecting layer and the array of optical microstructures, the optically absorbing layer includes an array of apertures therein exposing portions of the image reflecting layer therethrough.