Abstract: An image display device of the present invention comprises projectors 20 and 21, a reflecting mirror 4, a screen 5, an image signal processor 1 which performs a distortion correction, and a base 6 for supporting the projectors 20 and 21, the reflecting mirror 4, and the screen 5. The projectors 20, 21, the reflecting mirror 4, and the screen 5 are assembled in one to constitute a single moving unit 7, and the image display device further comprises a lifting device 8 capable of moving the moving unit 7 in a vertical direction with respect to the base 6.

Abstract: An image projector display device projecting an image onto a surface substantially parallel to a path of light emitted through a representation of an image and a projection/objective lens. The display device compensates for the varying distances of the surface onto to which the image is projected from the projection/objective lens to display a clear, non-distorted image.

Abstract: A reflection type projecting screen includes a diffuse plate having a diffuse transmission surface for converting at least transmission light into diffused light and a corner cube array for reflecting the light passing through the diffuse plate to a position which is approximately similar to a passing position of the diffuse transmission surface. The diffuse plate and the corner cube array are positioned in an order of the diffuse plate and the corner cube array. The reflection screen is capable of improving utilization efficiency of light and simplifying the structure while reducing the effect of outside light. Furthermore, there are provided a front projector system and a multi-vision projector system each of which has a projector for projecting the projection light and a reflection screen for reflecting the projection light as diffused light having directivity in at least one predetermined direction, in accordance with the incident direction of the projection light.

Abstract: Viewable images may be displayed from a substantially dark substrate. Light emitting material may be integrated into a substantially dark substrate. The light emitting material may be configured to emit visible light in response to absorption of ultraviolet light. The light emitting material may include a plurality of light emitting particles and each of the plurality of light emitting particles has a diameter less than about 500 nanometers. For example, emitting visible light from a substantially dark substrate may allow for images to be displayed with relatively high contrast. These high contrast images may appear clearer to a viewer and may result in less eye strain by a viewer.

Abstract: A display apparatus is provided which can display different text/image information depending on the viewing angle and the viewer, display a high reality three-dimensional image viewable from any direction and realize stereoscopic viewing without glasses or the like. The display apparatus includes a display unit having a view angle-limiting filter on its surface, a rotary mechanism to rotate the display unit and a control unit which implements control so that when the display unit, rotated by the rotary mechanism, is faced to each of plural directions, the display unit displays a different text/image content associated with the direction.

Abstract: Methods, apparatus and system for controlling ambient light to produce controlled ambient light having predefined optical spectrum characteristics in order to effect a modified color gamut of a reflected image that is reflected from a surface. The reflected image including reflected portions of the controlled ambient light and reflected portions of a projected image directed from an image projector to the surface. The reflected image having a first color gamut in the presence of uncontrolled ambient light. The reflected image having the modified color gamut in the presence of the controlled ambient light.

Abstract: A projection system includes a vibration controlling structure. The projection system includes an imaging unit mounted to a movable platform via a partially compliant mount structure, such that the imaging unit is partially isolated from the platform while projecting an image which is stable with respect to the platform. The imaging unit and partially compliant mounting structures are constructed and arranged to damp vibrational forces on the imaging unit.

Abstract: A portable multimedia projection device is provided for showing the multimedia information for a plurality of audiences and promoting the sharing quality of the multimedia information. The portable multimedia projection device includes a data storage unit, an image projecting unit, a control circuit, and an independent power. The data storage unit is disposed to store a multimedia data, the image projecting unit is electrically connected to the data storage unit, and disposed to project the multimedia data, the control circuit is electrically connected to the data storage unit and the image projecting unit and disposed to control the operating, transmitting, and broadcasting of the multimedia data, and the independent power is disposed to provide the electric power the portable multimedia projection device needs to operate.

Abstract: An image projector display device projecting an image onto a surface substantially parallel to a path of light emitted through a representation of an image and a projection/objective lens. The display device compensates for the varying distances of the surface onto to which the image is projected from the projection/objective lens to display a clear, non-distorted image.

Abstract: Miniature projection devices will enable the use of common household objects as the projection screen for still and moving images. This application describes a set of techniques and embodiments for implementing image projection inside a lamp such as a table or wall lamp and provides techniques for dealing with the unique physical attributes of lamps such as the shape of the lamp and the bright source of light that would tend to wash out the projected image. In addition, the invention presents a series of novel embodiments that respond changes in the environment to enable an immersive user experience and operation as a pet entertainment device.

Abstract: The subject invention concerns a display system comprising an interactive display surface and a projector for projecting images onto the display surface. The display surface and the projector are movable in a vertical direction. Calibration between an image projected from the projector and displayed on the interactive display surface is maintained. Following movement of the display screen and the projector, no re-calibration of the interactive display is required. The movement in a vertical direction is between at least two positions for projecting images onto the display surface. The movement may be continuously between said two positions or in discrete steps.

Abstract: An optical system (light guiding optical system) for guiding G-light and R-light to liquid crystal panels is protruded in an opposite direction from projection optical system with regard to an optical axis of a light source. A space is created between an optical engine and a wall surface, and air stream for suction fan is thus secured. A distance (H1) between the optical engine and the wall surface can be reduced to, for example, a thickness of an external housing of the projector. Since a unit comprising the light source and a suction fan is retracted in a direction of the projection optical system than a protruded portion of the light guiding optical system, a distance (H2) from an end edge of the optical engine to a projection light emitting position can be reduced.

Abstract: Embodiments of sensing light are disclosed.

Abstract: An image projection module within a housing accessory is operative for causing selected pixels in a raster pattern to be illuminated to produce an image at different image planes of VGA quality. A personal media player is connected to the housing accessory and the image projection module to supply image signals for the image to be projected.

Abstract: An apparatus and method are disclosed for an electronic device (100) to incorporate two housing members (104, 106) to expose a first portion (112) of a display or screen (110) when closed. When the two members (104, 106) are moved to open the housing (102) the display or screen (110) is moved to a position angularly displaced from its former position with respect to the housing (102). A second portion (114) of the screen (110), larger than the first portion (112), is exposed and used for displaying text, images or other graphics.

Abstract: A portable structure, simply constructed with inexpensive and generally lightweight materials, for displaying a selected portion of the night sky and selected planets, satellites, comets and other astronomically observable objects that are visually perceptible within that portion of the night sky. The structure includes a computer having stored signals representing the observable objects, an image projector that converts and projects the stored signals as visually perceptible images, a first curvilinear light-reflecting surface to receive and reflect the visually perceptible images, and a second curvilinear surface to receive and display the visually perceptible images reflected from the first surface. The images may be motionless or may move with passage of time.

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 video projection system has an image deflection device to provide additional mounting options for a projector. The deflection device selectively positions a mirror in front of the projection lens to deflect the video image away from the optical axis of the lens, thereby allowing the projector to be mounted without the lens facing the projection surface. The projector includes an image processor for selectively flipping the video image to accommodate a first mounting configuration in which the projector rests on a horizontal surface with the lens facing the projection surface, a second mounting configuration in which the projector is upside down and attached to a ceiling with the lens facing the projection surface, and a third mounting configuration in which the projector is attached to a vertical surface with the image deflection device mirror positioned in front of the lens to deflect the optical image toward the projection surface.

Abstract: A display device comprises a height-adjustable display board (10) which is adapted to be written on. Further, the display device comprises a height-adjustable projection unit (18) for projecting images onto the display board (10). With the aid of a mechanical connection means (20,22) connecting the display board (10) to the projection unit (18), it is guaranteed that, upon vertical displacement of the display board (10) or the projection unit (18), a vertical distance between the display board (10) and the projection unit (18) will be substantially maintained.

Abstract: A large-sized transportable projection screen comprising an any-shaped fillable hollow body, which is embodied in the form of a structure consisting of fillable tubes. The aim is to develop a large-sized transportable projection screen exhibiting an increased stability and making it possible to obtain an improved projection at daylight. For this purpose, the structure defines a three-dimensional internal space limited on all sides thereof, wherein the tubes are oriented in three directions in space and the internal space is limited by at least one display surface arranged at the level of an edge formed by a part of tubes.

Abstract: A window unit includes a window frame defining a frame perimeter and a window located within the frame perimeter. The window includes a display surface adapted to receive a display image. A display image source is disposed in the window frame and a speaker element is disposed in the window. The window can transform from a first transparent state to a second increased opacity state for receiving the display image on the display surface.

Abstract: 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 20 and a decorative display unit 10 comprising a light transmitting substrate having multiple colored dots arranged on one surface of the substrate and multiple light transmitting light converging elements arranged on the other surface of the substrate, at least a part of which is provided with an image formation means for forming an image from light projected from the projector 20. With this image display apparatus, a virtual image of the dots is formed on a plane different from the plane of the image projected on the image formation means to provide a three-dimensional-like visual effect. It is preferred that directivities of the arrangements of the dots and light converging elements of the decorative display unit 10 are identical to each other, and pitches thereof are different from each other.

Abstract: A wall structure has a first wall and a second wall that faces the first wall. A part of the second wall or the entire second wall is configured as a rear-projection screen. A projector for projecting an image onto the rear-projection screen is arranged between the first and second walls.

Abstract: A device for navigating and displaying digital media, such as images, videos, audio files etc, is described. The device determines the distance between the device and a projection screen and selects media for display based on this distance. A user can, therefore, navigate through a media collection by moving the projection screen with respect to the device.

Abstract: A projection system. The projection system includes a projector, a projector holder, and, optionally, a screen. When included, the screen has at least a deployed configuration in which a viewing portion of the screen is substantially planar. The projector includes a wide-angle lens system to selectively project display images onto the projection screen or other viewing surface. The projector holder supports the projector and is moveable relative to the projection screen or other viewing surface. The projector holder has at least an operating position at which the projector is supported for projection onto the projection screen or other viewing surface.

Abstract: An optical projection and capture system includes an image sensor integrated with an optical projection device. Additionally, the integrated device may be coupled with a laser pointer to deliver interactive presentations. The laser pointer may be pulsed to improve identifying and tracking a laser light spot on a projected image. These applications may be extended to rear projection systems for gaming and interactive graphics.

Abstract: 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 directions. Projecting light paths cross each other so that the size of the image case is reduced to 1/6.7 to ? of the size of the conventional image case. By reducing the weight of the image case through size reduction, the multi-direction image viewing system can serve as a mobile multi-direction image viewing system coupled with a trailer and transported by a small sized vehicle such as a motorcycle, as a wide viewing angle multi-direction image system attached to a wall and coupled with the safety fence of the bus terminal or the subway station, and as an image viewing system mounted to a ceiling or wall.

Abstract: A front projection display device having a projection module and a docking station. The docking station has a base. Further, the docking station can include an extendable arm attached to the base. The projection module contains an optical engine. The optical engine includes an illumination system, an imaging system, and a wide-angle projection lens. The optical engine outputs an image at a half field angle of at least 45°. The projected image has substantially no distortion and requires substantially no keystone correction.

Abstract: An image display, includes: an image display section for forming and displaying an image in accordance with image information to be input; and a casing for housing the image display section, in which the casing includes: a lateral portion visible from an outside, the image display section being exposed from the lateral portion; and a bottom portion extending from a lower end of the lateral portion toward a rear side of the device, an opening for introducing air outside the casing is formed in the bottom portion, and an air filter for cleaning the air passing the opening is provided at the opening such that the air filter can be inserted to/removed from the lateral portion.

Abstract: An adjustment method for an image-projection display device, in which an image-projection optical unit, a flat screen, and a mirror are provided, and with the method, a bundle of light rays emitted from the image-projection optical unit is bent by the mirror so that a principal light ray, of a bundle of light rays being incident on the center of the flat screen, is made incident on the flat screen at an oblique angle; and the adjustment method comprising steps of, moving one of the image-projection optical unit in the direction orthogonal to the flat screen and the mirror in at least a direction parallel to the flat screen or a direction orthogonal to the flat screen; and moving the other of the image-projection optical unit in the direction orthogonal to the flat screen and the mirror in at least a direction parallel to the flat screen or a direction orthogonal to the flat screen; whereby the position of an image on the flat screen is adjusted without varying a projection distance between the image-projectio

Abstract: An image-projection display device includes an image-projection optical unit, a flat screen, a first mirror which is closest to the image-projection optical unit, a second mirror which is closet to the flat screen. An angle formed by the second mirror and a normal on the flat screen is defined as an angle ?. An angle formed by the first mirror and a normal on the flat screen is defined as an angle ?. A maximum rotational angle, for adjustment, of the first mirror about an axis which is parallel to the flat screen, and which lies in a plane where the reference principal light ray before and after reflection at the first mirror lies is defined as a maximum adjustable rotational angle C.

Abstract: 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 emission limit due to failure of the light source or the scanner, at least one optical member located in an optical path of the laser beam is arranged so as to be broken or altered in quality and to prevent or discourage the beam with energy exceeding the accessible emission limit from being output from the screen.

Abstract: Embodiments disclose encrypting data used to adjust reflectivity of the screen.

Abstract: A visual advertising apparatus for a gateway is disclosed. The apparatus includes a screen which includes a reflecting surface having a reflectance of 5% to 40% and reflecting lines formed on the reflecting surface in either a vertical or horizontal direction, the reflecting lines having a reflectance of 0.5% to 20%, and a projector for projecting light to the screen. Accordingly, the brightness of the screen is increased by five to forty times, viewers can see the clear image while moving around within the extended vertical and horizontal viewing angles of 30° to 4.5°, and the weight of the screen and the projector can be reduced, which makes it possible to install the large screen.

Abstract: A display system has a display surface having a three-dimensional convex shape. A projection system projects an object field onto a continuous image field located on the interior of the display surface the display surface is extensive in its coverage, for example subtending an angle of at least 240 degrees to provide greater hemispherical coverage.

Abstract: A projection display includes a projection unit projecting an image on a screen, an image processor capable of adjusting an image display area where an image is projected on the screen by processing an image signal to be input to the projection unit, and an image-outline adjusting mechanism supporting the projection unit and capable of adjusting the image display area by positioning the projection unit. The image processor is capable of adjusting the image display area in one translational degree of freedom, and the image-outline adjusting mechanism is capable of positioning the projection unit in five degrees of freedom except for one translational degree of freedom.

Abstract: The invention relates to an arrangement for projecting an image, which is made of pixels, onto a projection surface, including at least one light source whose intensity can be altered and which emits a light beam, also including a deflection device which deflects the light beam onto the projection surface, and a two-stage transformation lens system which is arranged between the deflection device and the projection surface. The invention also relates to optical systems for adjusting the angle of an incident light beam by means of a two-stage transformation lens.

Abstract: 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 representing information on the shaft doors makes possible a qualitatively high-grade projection of an image on the shaft door. The shaft doors are formed to be at least partly transparent, wherein a projector is arranged in the elevator shaft and projects an image onto the side of the shaft door facing the elevator shaft.

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: The present invention is a portable, configurable, inexpensive large scale projection system. The system is comprised of a plurality of projectors mounted on a structure and a display screen. The structure can be reconfigured to hold more or fewer projectors, and can be disassembled for easy transportation and reassembled. In an embodiment, the structure is comprised of containers and the projectors are mounted on calibration tables.

Abstract: A projection screen for use in a projection system is described. In an embodiment of the present invention, a projection system includes a projector and a projection screen. The projector is configured to project an image composed of visible light in one or more ranges of wavelengths. The projection screen has a plurality of sub-pixels that reflect and/or transmit the one or more ranges of wavelengths to display the image and absorb visible wavelengths of light in at least one other range not included in the one or more ranges. One or more spaces are defined between adjacent sub-pixels that reflect and/or transmit the one or more ranges and the at least one other range.

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 projecting apparatus has a projector section which projects projection light in response to an inputted picture signal, a cabinet section which stores the projector section, a connector section having a function of connecting the cabinet section to a vehicle interior ceiling, and a screen section provided on one side face of the cabinet section, the screen section having a transmission type screen member which displays a picture when projection light is irradiated from the projector section, and also having a function of selectively removing the screen member from a passage of the projection light or attachably demounting the screen member from the cabinet section, thereby irradiating the projection light to the outside of the cabinet section.

Abstract: To provide a projection display that can easily switch between rear and front projection modes with a transmission screen, a projector, and a mirror exposed to the outside, a projection display has a projector to project projection light applied to a display image, a mirror to introduce the projection light from the projector, a screen to allow the projection light introduced by the mirror to pass through from the rear to project light in a rear mode, and a frame to hold the projector and the screen. The projection display has the screen, the projector, and the mirror exposed to the outside, and the projector is installed so that it can be attached to and detached from the frame.

Abstract: An image projector display device projecting an image onto a surface substantially parallel to a path of light emitted through a representation of an image and a projection/objective lens. The display device compensates for the varying distances of the surface onto to which the image is projected from the projection/objective lens to display a clear, non-distorted image.

Abstract: The Portable Battlewall Display Stand provides a flexible, reliable, safe and rapid method for the mounting of flat panel displays and short focal length projectors in a single or dual mode. It offers the capability of coupling the stands, for flat panel display/projector media multi-use. Its tubular frame provides telescopic expansion, rigidity and light weight features, without sacrificing safety and reliability, by use of positive mechanical fastening hardware. It can be readily disassembled for transport and storage, presenting small volume for storage.

Abstract: Exemplary embodiments of the present invention provide an image display device having a functional design and accomplishing high quality and marketability to attract customers' attention. Exemplary embodiments include an independent installation type image display device including a display panel having a transmissive screen, a support frame for inclinedly supporting the display panel so that, when the image display device is erected on a horizontal floor, an angle defined between the display panel and the bottom surface is an acute angle, a projector placed below the display panel to project an image on the screen of the display panel, a storage unit which stores image data of an image to be projected and is mounted to the projector to output the corresponding image data to the projector, and an optical mechanism to direct a projection beam emitted from the projector to the screen from the rear of the display panel to form the image on the screen.

Abstract: In accordance with embodiments, viewable images can be created in glass. Viewable images may be created in glass by using a projector which projects ultraviolet light to excite light emitting material. Clear images may be created in glass because the size the light emitting particles in the glass is less than 400 nanometers. In embodiments, the visible illumination of a transparent substrate to display an image is possible, while the transparent substrate remains transparent. Accordingly, for example, drivers of automobiles may view images (e.g. map images) on their windshield while they are driving. As another example, window shoppers may view enhanced advertisements in the windows of stores that they are approaching.

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: In accordance with embodiments, viewable imagines can be created in glass. Viewable images may be created in or on glass (or other at least partially transparent substrate), by using microstructures to scatter light from a projector, while the glass maintains transparent or translucent properties. In embodiments, the microstructures are integrated into glass in patterns.