Abstract: A projection apparatus includes an optical engine (10) that projects an image on a screen from a rear side, an engine supporting plate (100) on which the optical engine (10) is placed, an adjusting member (500) of a substantially wedge-shape inserted into between a base portion (11) and a lower surface of the engine supporting plate (100) so that front or rear end of the engine supporting plate (100) is vertically rotatable, a front-to-rear position adjusting unit (56) capable of moving the adjusting member (500) in front-to-rear direction, a slope portion (108) having a slope surface (109) that gradually increases or decreases an angle of a surface of the adjusting member (500) contacting the engine supporting plate (100) in accordance with a movement of the adjusting member (500), and a fixing unit (551, 552) that fixes the engine supporting plate (100) to an adjusted position.

Abstract: Light emitted from a light source is modulated and projected on a screen. The screen includes a securing member, a diffuser plate supported by the securing member using a plurality of elastic members, where the elastic members are disposed so that the diffuser plate is resiliently displaced in two directions in the plane of the diffuser plate, and a driving unit that moves the diffuser plate with respect to the securing member in the two directions in the plane of the diffuser plate.

Abstract: A Fresnel lens sheet holding structure holds a thin Fresnel lens sheet formed on a forming mold easily releasable from the forming mold in a satisfactory planarity on a rear projection display. A rear projection display is provided with the Fresnel lens sheet holding structure. The Fresnel lens sheet holding structure holds a Fresnel lens sheet of 3 mm or below in thickness having an entrance surface provided with prisms of a triangular cross section each having an entrance facet and a total-reflection facet that reflects part or all of light fallen on the entrance facet in a total-reflection mode to deflect the light in a desired direction. The Fresnel lens sheet holding structure includes a hanging member to be attached to the upper side of the Fresnel lens sheet, and a support member for supporting the hanging member. Preferably, a tensioning member is attached to the Fresnel lens sheet.

Abstract: A projection screen comprises a red-reflecting particle layer, green-reflecting particle layer and blue-reflecting particle layer sequentially stacked on a substrate. In each particle layer, particles are accumulated by eleven cycles in a regularly alignment such as close-packed structure. Diameter of red-reflecting particles is approximately 280 nm, diameter of green-reflecting particles is approximately 235 nm, and diameter of blue-reflecting particles is approximately 212 nm. Each particles layer is accumulated by self-organized technique. The substrate used here can absorb light of wavelengths other than those of red, green and blue three primary colors.

Abstract: A display front plane having an anti-reflection film in thickness uniformity and good adhesion between the anti-reflection film and the base material is supplied. Each of a display lenticular lens and a display fresnel lens having a sophisticated anti-reflection function with a high total light transmittance is also to be provided. As for the display front plane, lenticular lens, fresnel lens relating to the present invention, gas containing a gas for thin film formation is introduced into a discharge space under the atmospheric pressure or the pressure close to it and the gas is activated by applying a high frequency electric field in the discharge space mentioned above. And then, anti-reflection film at least on one side of the surface of the base material is formed by exposing the base material in the aforementioned activated gas.

Abstract: Disclosed are a spherical reflective screen for displaying an image and a method for manufacturing the screen. The screen has a spherical surface with a radius of curvature of a circle drawn centering around a point, and a focal length of the screen is the same as a projection length of a projector so that the projector is located at a focal point of the screen, thus allowing the image formed by means of light projected from the projector to be straightly reflected on the screen but ambient light to be diffused to the outside. A frictional surface and diffusing lines are simultaneously formed on an aluminum foil by rubbing the double-layered aluminum foils together in one direction, therefore, viewing angle and resolution of the screen are improved two times or more.

Abstract: A projection display system includes (1) a transparent screen, (2) a polarizer on the transparent screen, (3) a retarder plate on a first side of the transparent screen, (4) a mirror on the first side of the transparent screen, and (5) a projector for projecting an image through the transparent screen, the polarizer, the retarder plate, and onto the mirror. The mirror reflects the image onto the polarizer so that the reflected image is visible from the first side of the transparent screen and invisible from the second side of the transparent screen.

Abstract: There is provided a rear projector capable of preventing entry of dust. A cabinet of the rear projector has a front side thereof formed with an opening. A screen panel slightly larger in size than the opening is attached to the front side of the cabinet such that the opening edge portion of the opening of the cabinet and the periphery of the screen panel are opposed to each other. The screen panel receives projection light projected from behind for image display, and thereby displays an image thereon. A projector unit is disposed within the cabinet, for projecting the projection light. A dust-proofing sealing member is disposed between the periphery of the screen panel and the opening edge portion, the screen panel is attached to the housing.

Abstract: A micromechanical mirror combined with a photoluminescent screen is able to efficiently use light from the light source. In such a device, the light source produces light that is directed onto the micromechanical mirror. The micromechanical mirror then selectively reflects the light onto a photoluminescent screen. The light excites the photoluminescent screen to produce the desired picture. The photoluminescent screen may include sets of pixels that convert light from the light source to provide the desired picture. Typically, each pixel set includes a red, green and blue portion although any suitable combination of colors and number of pixels may be used. Each pixel set portion converts the light received from the light source into its respective color by photoluminescence. Alternatively, the photoluminescent screen may include transparent and/or scattering portions instead of photoluminescent portions of a certain color when the light source has a spectrum which is limited to one color.

Abstract: It is an object of the present invention to provide a self-standing manually operated elevating screen which makes it possible to raise and lower the screen over a long period of time without encountering any trouble such as damage, deformation or the like, and which makes it possible to simplify the construction used for this purpose. The upper-end supporting member 4 to which one end of the screen 1 is connected and the base member 3D to which the other end of the screen 1 is connected are pivot-connected by left and right linking mechanisms 5, 5. Urging means 16, 16 which are used to urge the lower side arms 13, 13 upward are provided, and slide members 20, 20 that are free to slide are fit over either the let and right upper side arms 11, 11 or the left and right lower side arms 13, 13, or both.

Abstract: A screen includes a reflecting layer, a reflecting layer, a reflecting layer and a base material in the order of description from the light incidence side, wherein the reflecting layer, reflecting layer, and reflecting layer reflect the R light, G light, and B light which are the lights in specific wavelength regions and transmit outer light which is the light in the other wavelength region different from the specific wavelength region.

Abstract: Images are projected onto a projection medium including a screen, which forms an open, light-penetrable structure having a plurality of light-reflecting surface parts. The projection medium may include a screen that is perforated or net-like, such as tulle or bridal veil, or that includes transparent and opaque or light-reflecting areas. The projection screen may be positioned within a shop or another room having a show window or display window spaced from the screen. A control device, such as a touch screen, for controlling the operation of the projector, may be positioned so as to be accessible to a viewer outside the room.

Abstract: A film for a screen has a light transmitting substrate and a plurality of structures disposed on the substrate. An optical material at least partially fills cavities between the structures. A method of forming a film includes providing a light transmitting substrate having a plurality of structures disposed thereon and at least partially filling the cavities therebetween with an optical material.

Abstract: A display device (1) has an extendible screen (2) and at least one extendible side member (3). The extendible screen (2) is extendible in an extension direction from a relatively compact form to an extended form. The screen (2) in the extended form has opposed edges (17) that are substantially parallel to the extension direction. An extendible side member (3) is provided for at least one of said opposed edges (17). The or each extendible side member (3) is extendible to provide support to and structural rigidity to the screen (2) when the screen (2) is in the extended form. The display device (1) provides an extendible rigid screen (2) suitable for example for creating a rigid collapsible tablet computer, or enabling a compact portable display to support a rigid touch-screen, or for incorporation into a mobile phone or remote control unit.

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: The present invention provides a Fresnel lens sheet capable of successfully avoiding the “collapse”, “abrasion” and “moire” problems. A Fresnel lens sheet constitutes, together with a lenticular lens sheet, a rear projection screen, which is mounted in the frame of a rear projection type display. The Fresnel lens sheet includes, on one surface of its substrate, a Fresnel lens part containing a plurality of lenses concentrically formed on one plane. The apexes of the lenses situated in the area between the center and the outer edge of the Fresnel lens part are flattened to give flat faces, and the widths of the flat faces of the lenses on the outer edge side are made greater than the widths of the flat faces of the lenses on the center side. The widths of the flat faces of the lenses are from 0 to 30 ?m.

Abstract: A light diffusing sheet of a structure in which a light diffusing layer is formed on at least one surface of a transparent film, the light diffusing layer including a resin coat layer having a minute unevenness shape and a low refractive index layer having a refractive index lower than that of the resin coat layer on the surface having a minute unevenness shape thereof, whereby the sheet can retain antiglare property, shows almost no white blurring to be recognized due to surface scattering, exhibits almost no birefringence, and is excellent in adherence and durability even when applied to a high definition LCD.

Abstract: A projection screen includes a polarized-light selective reflection layer having a cholesteric liquid crystalline structure, capable of selectively diffuse-reflecting a specific polarized-light component; a substrate for supporting the polarized-light selective reflection layer; and an optical member provided on the observation side of the polarized-light selective reflection layer. The optical member diffuses imaging light which the polarized-light selective reflection layer diffuse-reflects, while maintaining the state of polarization of the imaging light. The optical member diffuses right-handed circularly polarized light that is projected on the projection screen, when the light travels from the observation side to the polarized-light selective reflection layer.

Abstract: A projection screen capable of sharply displaying an image even under bright environmental light with high image visibility. A projection screen has a polarized-light selective reflection layer with a cholesteric liquid crystalline structure, capable of selectively reflecting a specific polarized light component, and a substrate for supporting the reflection layer. Of the light entering the reflection layer from the viewer's side, the right-handed light in the selective reflection wave range is reflected from the reflection layer as reflected light. As a result of structural non-uniformity in the cholesteric liquid crystalline structure, the light that is selectively reflected (reflected light) is diffused.

Abstract: A display system is provided that includes a light source configured to project an image, and a display surface configured to receive the projected image and at least partially compensate for a non-ideal spectral power distribution exhibited by the light source.

Abstract: An enhanced-contrast projection screen and method of controlling such screens are disclosed. An embodiment of a dynamic projection screen includes a passive layer and at least one active layer. The active layer is superimposed on at least a portion of the passive layer and is adapted to selectively toggle between being transparent and being opaque. A method of controlling such a screen includes determining desired dimensions of a reflective region, and activating at least a portion of an active layer superimposed on at least a portion of a passive layer. The active layer is adapted to selectively toggle between being transparent and opaque.

Abstract: A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a frame, a screen, and a screen coupler configured to couple the screen to the frame.

Abstract: An assembly for use in a projection screen that includes a metal reflective surface, and a layer above the metal reflective surface to reduce an amount of difference in reflectivity of the metal reflective surface for light polarized in two different directions.

Abstract: A reflex-type screen for reflecting obliquely projected light from a projector to a front of the screen. The screen includes a light absorbing base material and a plurality of inclined planes disposed on the base material. The planes are arranged such that projected light do not enter non-projector side inclined planes, and the projector side and non-projector side planes alternate to form a saw-tooth shaped arrangement. A light reflecting white resin layer is disposed on the projector side planes to reflect light from the projector to the front of the screen. A transparent light diffusing layer including binding agent and diffusing agent is formed to cover the white resin layer and the base material, including all inclined planes. The non-projector side inclined planes absorbs incident light and the diffusing layer diffuses light reflected by the white resin layer.

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 projection screen is provided that includes a display surface having a plurality of elements. Each element has an optical property that is responsive to an appropriate applied voltage. The display surface may be configured so that the optical properties of each element may be coordinated with the projected image.

Abstract: A projection screen is formed of at least one screen layer comprising a non-interference pigment. Methods for forming a projection screen comprise the steps of: applying a primer composition onto the substrate to form a primer layer and applying a screen composition onto the primer layer to form a screen layer. Projection screen kits comprise an individually packaged base composition and an individually packaged reflective additive composition.

Abstract: A video screen storage and deployment system, typically for large, flat screens. The system comprises a stationary portion and an active portion, with the active portion having a stowage position and a display position. In the stowage position, the video screen is oriented in a first screen position. In the display position, the video screen is oriented in a second display position, with the first and second screen positions being rotated about 90° from one another.

Abstract: A screen for a projection display is provided. The screen includes a Fresnel lens sheet which converges light emitted from a light source, and a lenticular lens sheet which disperses in a horizontal direction the light transmitted by the Fresnel lens sheet. The Fresnel lens sheet includes a first Fresnel lens on one surface and a second Fresnel lens on an opposite surface.

Abstract: A film for a screen has a light transmitting substrate and a plurality of structures disposed on the substrate. An optical material at least partially fills cavities between the structures. A method of forming a film includes providing a light transmitting substrate having a plurality of structures disposed thereon and at least partially filling the cavities therebetween with an optical material.

Abstract: A clear image unaffected by the brightness of the projection environment. The projection screen according to the present invention is a projection screen for projecting thereupon narrow-band tricolor wavelength band light to display an image, and comprises an optical thin film (3) which has high reflection properties regarding the narrow-band tricolor wavelength band light, and has high transmission properties regarding at least visible wavelength band light other than the wavelength band light, on a screen base (2). With the projection screen according to the present invention configured as above, the optical thin film (3) serves as a so-called band filter. That is to say, the optical thin film (3) particularly reflects narrow-band tricolor wavelength band light and transmits light of other wavelengths, thereby functioning as a narrow-band tricolor wavelength bandwidth filter acting to separate these.

Abstract: A projection system and method are provided, the system includes a radiation source for generating electromagnetic radiation outside the visible wavelength range, an imaging unit, which can be irradiated by the radiation source, and a projection screen having a radiation-sensitive surface which, when excited by means of the above-mentioned invisible radiation, can emit fluorescent light in the visible wavelength range. The radiation-sensitive surface is formed of a material which, irrespective of the position, emits fluorescent light of different wavelengths as a function of the wavelength of the excitation radiation, and the radiation source can emit excitation radiation of different wavelengths.

Abstract: A screen (which may be a display or electronic display) for projection that has embedded in the screen other active display technologies, such as LEDs, LCDs, etc., or the screen itself is a hybrid of translucent surfaces with a low-resolution display. This display will have two faces such that the alphanumeric information appears from left to right on both sides of the projected image.

Abstract: The invention provides a projection screen, wherein clear images can be obtained without being influenced by projection environments, the flexibility can be obtained, and its manufacturing cost can be reduced and its manufacturing method. An optical multilayer film is formed on a transparent substrate by alternately layering metal films and dielectric films by using spattering. This multilayer film has the high reflection characteristics in relation to three primary colors wavelength bands lights, and has the high absorption characteristics in relation to lights other than the three primary colors wavelength bands lights. Therefore, the white level and the black level of images can be raised. Further, in terms of the optical multilayer film, as the film thickness dependence of the reflectance change becomes smaller and the incidence angle dependence of reflectance change becomes smaller, a wide visual field angle can be obtained.

Abstract: A frame assembly is provided. The frame assembly may include an inner frame disposed in a dimensionally stable relationship with a display screen where the relationship is substantially maintained during an environmental change which produces a variation in a size of the display screen. The frame assembly further includes an outer frame configured to capture the inner frame and accommodate size changes of the inner frame.

Abstract: A composition having at least about 10 percent perfluoroalkylsulfonamideoethyl acrylate; at least about 5 percent aliphatic urethane acrylate oligomer; at least about 1 percent acrylate monomer; and less than about 84 percent other reactive and non-reactive components. The composition, with the addiction of a light absorbing pigment, is particularly useful as a light absorbing adhesive in an optical element such as a rear projection screen that incorporates totally internally reflecting structures to disperse the light passing through the screen.

Abstract: A light beam preparation arrangement includes a light tunnel, a rotatable unit, and a drive unit. In one aspect, a fixation rigidly attaches the light tunnel directly to the drive unit. In another aspect, temperature of the light tunnel in controlled. In another aspect, the rotatable unit is spaced a distance from the light tunnel, and the distance is controlled. In another aspect, alignment between the light tunnel and the rotatable unit is controlled. In another apsect, the light tunnel is hollow and a gas flows though the tunnel.

Abstract: A projection screen unit includes a first projection surface optimized for a predetermined range of ambient conditions and a second projection surface optimized for a second, different range of ambient conditions.

Abstract: Ambient light that is modified for use in a projection system is described. In an embodiment of the present invention, a projection system includes a projection screen and an ambient light source. The projection screen reflects and/or emits one or more ranges of wavelengths of visible light. The projection screen also absorbs visible wavelengths of light in at least one other range that is not included in the one or more ranges. The ambient light source outputs visible wavelengths of light in the at least one other range. The at least one other range of wavelengths have a greater intensity as weighted by the sensitivity of a human eye than that of the wavelengths of light output by the ambient light source in the one or more ranges.

Abstract: Optical properties of a screen on which an image is being projected are considered. A patterned surface is given a predetermined pattern of color pixels whereby a degree of wavelength selectivity is employed to improve the color qualities of the projected image. A system is provided wherein there is a matching of emission characteristics of a projector to the screen's reflective characteristics.

Abstract: A screen for image display apparatus according to the present invention has a base member, a light absorption layer formed on the base member and adapted for absorbing light of a visible light range, and a light control layer formed on the light absorption layer. The light control layer reflects projected image display light to form an image and has a reflection wavelength selection function of selectively reflecting light of the wavelength range of the image display light. By using the screen for image display apparatus according to the present invention, a user can easily enjoy large-screen image display even in a bright environment.

Abstract: An image display screen which is composed of a multi-layer film consisting of at least 11 layers and formed by alternately laminating first thermoplastic resin layers having a thickness of 0.05 to 0.03 ?m with second thermoplastic resin layers having a thickness of 0.05 to 0.3 ?m and a parallel ray transmittance of 50% or more, and which has at least a reflection peak with a maximum reflectance 5 to 80% higher than the base line of reflectance and a half-value width of 20 to 200 nm in its reflectance curve for visible light having a wavelength of 380 to 780 nm, and an image display device comprising the same as a screen. This screen has improved transparency while maintaining the definition of an image.

Abstract: In a rear projection type projector device, a transparent plate-like member is supported so as to incline from a vertical surface, and a lenticular screen and a Fresnel lens are placed on the transparent plate-like member. Accordingly, the lenticular lens and the Fresnel lens are in tight contact with the front plate owing to their own weight, and this makes it unlikely to create spaces between these components.

Abstract: An automatic photograph seal vending method comprising providing a photographing process for creating a photographed picture image or images, wherein an illumination means illuminates one or more subjects in a photographing space and a photographing means takes a photograph; providing an editing process for creating an edited picture image or images, wherein an editing means edits a picture image or images as an object of editing; using an output means to output a predetermined picture image or images; and using a large-sized display means capable of displaying the one or more subjects substantially in life size to display tie predetermined picture image or images to facilitate the photographing process and/or the editing process.

Abstract: In one embodiment, a projection screen includes a diffuse reflecting polarizer that diffusively reflects light polarized in a first direction and transmits light polarized in a second direction. The projection screen may also include a second polarizer adjacent a back side of the diffuse reflecting polarizer, wherein the second polarizer is oriented to transmit light polarized in the second direction. The projection screen may appear substantially diffuse when viewed from a front side and substantially transparent when viewed from a back side.

Abstract: A projection screen for use in a projection system is described. In an embodiment of the present invention, a projection screen includes a substrate having one or more fluorescent materials. The one or more fluorescent materials emit visible light with the incidence of one or more ranges of wavelengths of light. The one or more fluorescent materials absorb visible light in at least one other range of wavelengths that is not included in the one or more ranges. The visible light emitted by the one or more fluorescent materials provides an image with the incidence of an output from a projector. The output of the projector has wavelengths of light in the one or more ranges.

Abstract: Three-dimensional imaging without parallax barriers or specialized eye gear, and without attendant loss of resolution, is provided by a display that produces dynamic images for display on at least two stacked electronic transmissive displays to create a continuous 3-D image field in a large viewing area or in multiple viewing areas. The images on each display are derived from stereoscopic image sources corresponding to both eyes of a viewer, and the derived images act as a mask for each other causing 3-D perception. The derived images are processed by summing the predicted image data, comparing the predicted image data to the desired stereopair, and minimizing the error. In preferred embodiments, the processing can be performed by an artificial neural network. A viewer may be presented with different aspects of an image as their viewing position changes to allow the viewer to perceive various perspectives of an image in dynamic fashion.

Abstract: A projection screen apparatus is disclosed for displaying an image projected by a projector. The projection screen apparatus includes a collapsible frame and a removable display sheet.

Abstract: A projection surface for the viewing of a projected video image or equivalent has a reflective surface of the projection surface. The reflective surface has color elements of at least three colors, arranged side by side on the projection surface so as to cover the entire reflective surface of the projection surface.

Abstract: A system for viewing 3-D images that comprises an image source (50), a computer (105) and a television screen (110). The television screen is divided into a plurality of sections (115–130), with each section displaying an image representative of a certain depth in the image, as provided by the computer. Image display elements comprising optical fiber bundles (200–215) or lamps, (e.g. 520) and leads (e.g. 540) convey individual depth images from the television screen to a plastic block (225) in which the fiber bundles terminate or the lamps are positioned. The individual fiber bundles terminate at predetermined depths within the plastic block, with those conveying the nearest part of an image terminating at the front of the block, as viewed by an observer (220). The fiber bundle or lamp conveying the greatest depth in the image terminates near the rear portion of the block, as seen by an observer.