Abstract: Projection systems and methods handle images to be viewable on a concave surface, wherein the projected image is modified to account for surface-to-surface reflections due to the concave surface, by determining geometric surface parameters, determining the ideal image, determining a model for reflected light that is a result of surface-to-surface reflections given the ideal image, wherein the model is expressible in closed form, determining a compensation image to compensate for at least some of the surface-to-surface reflections, taking into account at least the ideal image and the reflected light, and combining the compensation image and the ideal image to form a projectable image that can be projected onto a surface having the determined geometric parameters. The surface can be defined by a portion of an interior of a sphere and the reflection of a given pixel can be modeled as a constant over the concave surface.

Abstract: A projection auto-stereoscopic display includes an image projector (100) and a stereo screen (200). The image projector (100) projects image. The image includes multiple viewing-zone pictures. The stereo screen (200) receives the image and reflects the image. The stereo screen (200) includes a linear polarizer (202), for receiving the image projected thereon and filtering the image in polarization. A first micro-retarder layer (204) is attached behind over the linear polarizer. A second micro-retarder layer (208) is disposed behind over the first micro-retarder layer (204). A reflection-type polarization preserved diffuser is disposed behind the second micro-retarder layer, for reflecting and diffusing an incident light into various directions.

Abstract: A collapsible display device includes a stand that includes a first part that supports against an underlying supportive surface, and a pole having a first end removably secured in said first part. The display device includes an essentially rectangular screen to be assembled to and disassembled from the display device and a first coupling arranged at a second end of said pole to cooperate with a second coupling arranged at a first short end of said screen. The first part includes at least one first fastener arranged at a shorter distance to the supportive surface than an at least one projector. The screen includes at least one second fastener arranged at a second short end to magnetically fasten to the at least one first fastener, a first magnetic strip arranged in connection with a first longitudinal end, and a second magnetic strip arranged at a second longitudinal end.

Abstract: The invention relates to a display unit having a projection screen for a head-up display. The projection screen is mechanically coupled to a main element, which is detachably connected to a carrier element and/or a mounting.

Abstract: A system for projecting content at an angle to a rear projection screen. The system includes a projector configured for projecting changeable electronic content and a rear projection screen for receiving the projected content at an angle and displaying the projected content. The rear projection screen includes a turning film having prisms facing toward or away from the projector. For prisms facing toward the projector, a protective film covers the turning film. When the projected content is displayed on the rear projection screen, the content has a substantially uniform appearance.

Abstract: An apparatus, system, and method are disclosed for managing projection areas on a surface. A search module is configured to search for one or more markers defining one or more projection areas on a surface. An area module is configured to select a usable projection area from the one or more projection areas on the surface. A boundary module is configured to determine a boundary for the usable projection area. A constraint module is configured to constrain a projection from a projector onto the surface within the boundary of the usable projection area in response to the boundary module determining the boundary of the usable projection area.

Abstract: A screen having a front and rear surface arranged to be used with viewing both 2D and 3D images. The front and rear screen surfaces are formed differently from different materials, where the front surface is used as a 3D image screen and the rear surface is used as a screen having high resolution.

Abstract: A projection screen apparatus having a perimeter frame and a substantially blank screen is provided.

Abstract: A display device includes: a wall defining a viewer-side space; an observed object arranged in an object-side space partitioned off the viewer-side space by a portion of the wall; an imaging optical system of real specular image including a semitransparent substrate with a plane of symmetry for defining the viewer-side space and the object-side space as the portion of the wall to image a real image of the observed object in the viewer-side space with light passing through the substrate; a screen surface having a function of diffuse reflection and provided with the substrate so as to face the viewer-side space; and a projector optical system projecting an image on the screen surface in the viewer-side space.

Abstract: A display system and method of producing images with high dynamic range are provided. The display system employs multiple light valves for projecting a portion of the image onto another.

Abstract: A lens array for imaging image elements in an object plane, and a method of making a lens array. The lens array includes lenslets formed in or on one side of a transparent or translucent material with the image elements disposed on the opposite side, and has a gauge thickness corresponding to the distance from the apex of each lenslet to the object plane. Each lenslet has a set of lens parameters. The gauge thickness and/or at least one lens parameter is or are optimised such that each lenslet has a focal point size in the object plane which is either substantially equal to the size of the image elements in the object plane, or varies from the size of the image elements by a predetermined amount.

Abstract: A screen is manufactured by a partial screen manufacturing process, a cutting process, and a bonding process. In the partial screen manufacturing process, partial screens adapted to constitute the screen and each having a plurality of lens elements arranged on a surface are manufactured. In the cutting process, the partial screens are each cut. In the bonding process, the partial screens are bonded to each other on the cutting surfaces of the partial screens thus cut. Thus, since the shape of the molding die for forming the screen can be made smaller, the manufacturing process can be simplified.

Abstract: A method for manufacturing an array substrate includes forming a plurality of holes in a film shape substrate having thermal plasticity, in which the holes have a diameter of 0.25 times to 2 times a thickness of the substrate, and a pitch of 5 times to 40 times the diameter of the holes; and heating a molding member provided with a plurality of convex portions or concave portions in an array pattern, pressing the substrate provided with the plurality of holes, and transferring the plurality of convex portions or concave portions to the substrate.

Abstract: Methods to substantially reduce or eliminate optical non-uniformity across an interface may also substantially improve the strength and ease of seam manufacturing, including joining substrates. The methods may include managing optical non-uniformities at least by broadening a region over which a change in optical loss may occur and/or by maintaining a substantially constant average optical loss across an interface. The methods may also include forming a seam that substantially reduces the appearance of optical non-uniformities at the seam, which may include maintaining approximately constant average loss in the vicinity of the seam by substantially controlling reflectivity in the vicinity of the seam, in which substantially controlling reflectivity in the vicinity of the seam may include employing a backer treated to minimize optical reflectivity over a range of angles.

Abstract: Provided are diffused but transmissive optical image projection screens and methods of their manufacture, including screens comprising acetal polymers such as polyoxymethylene. Such screens may be used in various applications, including but not limited electronic image display and control system comprising in various embodiments a microdisplay video projector that projects a high quality color image from a non-CRT image source onto a diffused but transmissive optical projection screen that is optically coupled with and viewable through a biocular adapted to this purpose. Systems are disclosed that are adapted to be mechanically coupled with a user to prevent relative movement between the biocular and the user, for instance in tactical applications. Closed-loop control electronics are provided for automatically controlling the brightness and chromaticity of the image.

Abstract: An arrangement for mounting a projection screen for a head-up-display, which can be attached in a removable fashion to a windscreen of a vehicle in the driver's field of vision, contains a mount for the projection screen, which mount forms a detachable connection with a base frame. The mount has a carrier on which the projection screen is mounted and which can be connected to the base frame by at least two magnetic coupling points.

Abstract: Provided is a flexible display apparatus that includes: a flexible display apparatus including: a flexible display panel; a housing including an opening through which the flexible display panel enters and exits the housing; a cylinder disposed within the housing to coil and uncoil the flexible display panel; and a stretcher that selectively extends from the opening to support the flexible display panel, such that the flexible display panel is substantially planar when the flexible display panel is extended outside of the housing.

Abstract: A projection optical system configured to project an image onto a projection surface includes a first optical system including at least one dioptric system and having positive power as a whole; a second optical system including a reflection region and a transmission region; and a third optical system including at least one reflecting surface having power, and having positive power as a whole, wherein light entering the projection optical system passes through the first optical system to have a path thereof bent by the reflection region of the second optical system to be incident on the third optical system, and the light incident on the third optical system has the path thereof bent by the third optical system to pass through the transmission region of the second optical system to be incident on the projection surface.

Abstract: Systems and methods for implementing array cameras configured to perform super-resolution processing to generate higher resolution super-resolved images using a plurality of captured images and lens stack arrays that can be utilized in array cameras are disclosed. Lens stack arrays in accordance with many embodiments of the invention include lens elements formed on substrates separated by spacers, where the lens elements, substrates and spacers are configured to form a plurality of optical channels, at least one aperture located within each optical channel, at least one spectral filter located within each optical channel, where each spectral filter is configured to pass a specific spectral band of light, and light blocking materials located within the lens stack array to optically isolate the optical channels.

Abstract: A portable projection screen system includes a foldable structure defining a viewing area. A projector mounting assembly includes first and second mounting arms spaced a selected distance apart. Each of the first and second mounting arms including a horizontal projector member located above the viewing area and extending forward of the viewing area. A vertical projector member pivotally connects to a backside of the viewing area in a plurality of positions. Each of the plurality of positions locates the horizontal projector member at a different height above the viewing area. A projector crossbar member slidably connects and moves between a plurality of positions that are each a different distance from the viewing area.

Abstract: A plurality of convex portions, or concave portions which is transferred in an array shape, and a groove are transferred with respect to the substrate having thermoplasticity by a mold member having shapes of the convex portion, or the concave portion, and a protruding portion as the groove, and substrate transfer processing is included, in which the convex portion, or concave portion, and a protruding portion which are formed in the mold member are transferred to the substrate by pressing the mold member to the substrate.

Abstract: Polarization preserving projection screens provide optimum polarization preservation for 3D viewing. The projection screens additionally provide improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed method for providing a projection screen comprises stripping an optically functional material from a carrier substrate, thus creating engineered particles from the optically functional material. The engineered particles may then be deposited on a second substrate to create a substantially homogeneous optical appearance of the projection screen.

Abstract: A display system includes: a screen in which, in an area on which invisible light is incident, a scattering state where visible light is scattered and a transmission state where visible light is transmitted are switched; an image projection system to project an image of the visible light onto the screen; and an invisible light projection system to project the invisible light onto the screen and to cause an area of the screen onto which a desired portion of the image is projected to have the scattering state.

Abstract: The present disclosure reveals a reflective, front-projection screen designed to faithfully and accurately display the images from state-of-the-art (SOTA) and next-generation 2D and 3D motion-picture projectors, such as those found in large-capacity public movie theaters, home theaters, offices, and for use with portable projection systems for consumer and commercial applications. In particular it discloses cinema-size light shaping 3D projection screens with front-surface microstructures and horizontal viewing angles in the range of 90 to 120 degrees.

Abstract: A direct-viewing type display device 100a includes a display panel 100 having a display region 120 including pixels arrayed in a row direction and a column direction and a frame region 130 provided outside the display region, such that a first border line B1 and a second border line B2 exist between the display region and the frame region; and a light-transmitting cover 200 disposed on the viewer's side.

Abstract: A screen has an incidence plane that reflects a projected light, and, on the incidence plane, a plurality of lens elements are arranged. The plurality of lens elements have quarter-spherical surfaces, and the spherical surfaces are formed so as to face a light source of the projected light. In a portion of the spherical surface, the portion onto which the projected light is projected, a reflecting section that reflects the projected light is formed. This makes it possible to increase the area of the reflecting sections in the incidence plane and thereby increase the brightness of the screen.

Abstract: The present application discloses methods and systems for augmenting a field of view of a user. In one embodiment, a device may include a detector, a processor, and an array of visual indicators. According to an embodiment of the method, the detector may image an environment. The processor may identify within the environment imaged by the detector an object of interest. The processor may also determine a relative spatial location of the identified object of interest. Further, the array of visual indicators may be used to indicate the determined relative spatial location of the identified object of interest. In particular, a set of one or more visual indicators may be selected that has a relative spatial location in the array of visual indicators that is indicative of the relative spatial location of the identified object of interest.

Abstract: A projection screen apparatus having a perimeter frame and a substantially blank screen is provided.

Abstract: A multifunctional imitation displayer comprises a projection screen, which is a fine and even lattice structure closely woven from twist yarns made from extremely fine single yarns and ultra-thin metal fibers through up-and-down weave; out-covering gray scale glass panels, which are transparent with high strength and hardness, and which are fixed on and tightly cover and seal the two sides of the projection screen by means of vacuum suction, and sealed on the edges; based on such a design, both front or back projection can obtain Full-HD imaging with superior depth, and the low manufacturing cost is suitable for mass production. When not used for projection, it can also be used as a white board for drawing with a colored pen and the user can wipe out the drawings and draw repeatedly.

Abstract: An image forming apparatus includes: a screen having a display surface; and a projector that renders an image by scanning light on the display screen, wherein the screen selects, independently in respective regions of the display surface, a light transmission state in which the light is transmitted and a light diffusion state in which the light is diffused, the screen being configured such that the region where address light is irradiated is in the light diffusion state and the region where the address light is not irradiated is in the light transmission state, and the projector scans the address light on the display surface such that an area of the display surface corresponding to an image displayed on the display surface changes to the light diffusion state.

Abstract: The present invention provides a foldable projection screen, which comprises: a first housing capable of being folded for engagement and capable of standing while being unfolded; and a projection screen having its two sides respectively fastened on two sides of the first housing so as to be folded and accommodated in the first housing. With the mentioned structure, the foldable projection screen has advantages of small in volume, light in weight, and easy to be carried around, and applicable in a mini-sized or small projector.

Abstract: A reflective screen apparatus according to an embodiment of the invention, which is advantageous in that a reflection surface is readily formed, projection light outputted from a projector is efficiently reflected, and the convenience of a user is improved, includes a reflective screen having a reflection surface (reflection area) that reflects projection light off reflection films as reflectors selectively formed on a screen substrate in accordance with the angle of incidence of the projection light and a pair of winders that support respective ends (upper and lower ends) of the reflective screen and rotate in forward and backward directions to wind and release the reflective screen, and the winders drive each other and operate in opposite ways to move the reflection surface between the winders.

Abstract: A method and apparatus of producing a three-dimensional image of at least a part of the retina of an eye is provided. The method including obtaining a two-dimensional wide-field image of said part of said retina, determining a three-dimensional shape for said part of said retina and using the three-dimensional shape for said part of said retina to modify said two-dimensional image to produce a three-dimensional image of said part of said retina. The apparatus including an imaging system adapted to provide a two-dimensional wide-field image of said part of said retina, a three-dimensional shape determination module adapted to determine a three-dimensional shape for said part of said retina, and a two-dimensional image modification module adapted to modify said two-dimensional wide-field image of said part of said retina using said three-dimensional shape to produce a three-dimensional image of said part of said retina.

Abstract: A method of displaying an image on a screen having upper and lower extremities to a viewer located in front of the screen and at a horizontal distance from the screen, the method comprising the steps of: (a) inclining the screen at an angle of 60° or less to a horizontal plane behind the screen; (b) arranging the viewer and screen such that the upper extremity of the screen is further away than its lower extremity from the point of view of the viewer with said upper extremity above the head height of the viewer; and, (c) displaying the image on the screen.

Abstract: To provide a display apparatus which can use a general purpose projector, has a simple structure, including a hemispherical rear projection screen, a projector for projecting an image to be displayed on the rear projection screen, and a computer system for creating an image projected from the projector and characterized in that the computer system includes a recording medium for storing image data of a plane image, creation device that corrects the image data stored in the recording medium and creating image data of a curved image, and a transmission device to transmit the image data of the curved image created by the creation device to the projector.

Abstract: A screen on which an image according to light incident thereon is displayed includes a plurality of lens trains on a light-exiting surface from which the light exits, and the plurality of lens trains are provided along a plurality of virtual reference lines extending in respective predetermined directions. Each of the lens trains is formed of a plurality of lens elements from which the light exits. At least some of the plurality of lens elements that form any of the lens trains are so disposed that the lens elements are shifted from the reference line along which the lens train extends. The screen can suppress degradation of a displayed image.

Abstract: A reflective projection screen for receiving images, for a projector having short focal length of short projection distance, and particularly a reflective projection screen applicable to 2D and 3D imaging. The reflective projection screen has multi-incident angles where every reflection surface is prepared from a projection angle of the projected image and where incident angles are formed differently from each reflection surfaces so that the projection images from different angles are reflected into one direction.

Abstract: A screen assembly and a rear-projection type graphic display device are provided to block overscanned light Lo projected outside a fresnel lens screen. The screen assembly 20A includes the fresnel lens screen 21, a screen retainer 22 and a light blocking member 23. The fresnel lens screen 21 forms an image on the side of a front surface 21b by image light Le incoming through a back surface 21a. The screen retainer 22 has a back surface 22a whose area is larger than the back surface 21a and the front surface 21b and which is opposed to the front surface 21b to hold it, and a front surface 22b located on opposite side of the back surface 22a to allow an image formed by the image light incoming through the back surface 21a to be visible through the front surface 22b. The screen retainer 22 has an optical transparency. The light blocking member 23 is arranged so as to surround respective side surfaces of the screen 21 in the form of a frame.

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: Projection apparatuses and associated methods are provided. A representative apparatus includes: a support frame defining a projection area; a polymeric screen of sheet material sized and shaped to span at least a portion of the projection area; a retention member operative to contact the polymeric screen along an edge thereof; and a tensioning assembly operative to apply tension to the screen via the retention member, the tensioning assembly being operative to selectively reposition the retention member relative to the support frame.

Abstract: The present invention provides a foldable projection screen, which comprises: a first housing capable of being folded for engagement and capable of standing while being unfolded; and a projection screen having its two sides respectively fastened on two sides of the first housing so as to be folded and accommodated in the first housing. With the mentioned structure, the foldable projection screen has advantages of small in volume, light in weight, and easy to be carried around, and applicable in a mini-sized or small projector.

Abstract: A reflective screen which reflects a projection light, includes: a substrate on one surface of which are formed a plurality of concavely or convexly curved surface portions; and a reflective film formed on the curved surface portions of the substrate, wherein the plurality of curved surface portions are configured of a plurality of kinds of curved surface portion differing in curvature, and curved surface portions, among a plurality of curved surface portions aligned in at least a first direction, which are of the same curvature are disposed in series of up to three.

Abstract: A projection system for projecting light such as images or content upon a liquid surface such as a lake or pool surface. The system includes an agitation assembly selectively operable to agitate a portion of the upper surface of liquid to form a projection screen. The system includes a projector assembly projecting or focusing light onto the projection screen on the upper surface of the liquid. The liquid is translucent to light, but the projection screen on the upper surface reflects a portion of the projected light due to the agitation. The agitation assembly may include an aeration system with a distribution manifold and is positioned below the liquid surface and has outlets discharging gas into the liquid such that air bubbles for the screen. The manifold outlets may be provided at two or more depths, whereby two or more portions of the projection screen are generated at differing times.

Abstract: A high definition thin lens dimensional image display device and methods of manufacturing the same. The thin lens dimensional image display device generally includes a lens array on a first surface of a film, such as a lenticular lens array or a fly's eye lens array, with a printed imaged either printed directly on a second planar surface of the film, or on a separate substrate that is laminated thereto. The resulting display device offers a lower cost display device having greater flexibility for a wider variety of applications than traditional image display devices, without compromising image quality. Processes for manufacturing the display device include printing on a pre-fabricated thin lens web, inline printing of an image and patterning of the lens array, and inline printing of a substrate and application of a coating to the substrate which is subsequently patterned or embossed.

Abstract: A retractable double-sided banner stand has a base, two upright posts, a crossbar, and a single banner with graphic image(s) disposed on both sides of the banner. The base generally includes a housing, two housing end cap assemblies, a single core, and a retracting mechanism. The banner is wound around the core, and the retracting mechanism unwinds and winds the banner with respect to the core. The leading edge of the banner is attached to the crossbar, which is wider than the width of the banner. The banner stand has an erect upright mode for displaying the images(s), and a collapsed mode for transporting the banner stand. In the erect mode, the upright posts are retained in the base by means of a quick-release locking mechanism, the banner extends upwardly from the base, and the crossbar engages with, and is supported by, the upper portion of each of the upright posts.

Abstract: The invention generally relates to accessories for portable electronic devices that offer a screen for displaying the contents of a display of an electronic device. The invention provides, for an electronic device, an accessory that includes a reflective screen including a material such as a beam splitter to re-display the device display. In certain aspects, the invention provides a reflective screen for use with a computing device that has a reflective material and a mechanism to hold the screen above a horizontal surface at an angle.

Abstract: A projection screen apparatus having a perimeter frame and a substantially blank screen is provided.

Abstract: A window image projection screen includes a transparent case, including a transparent front element and a transparent rear element. A thin inner space formed between the front and rear elements is filled with fine water drops produced by ultrasonic vibration of water in a reservoir to selectively crease a screen for a projected image.

Abstract: A reflection-type screen which reflects projection light from a projector is provided. The screen includes a base one surface of which has a plurality of curved portions having concave or convex surfaces. Each of the curved portions of the base has a reflection area and a non-reflection area. A reflection film is formed on each of the reflection areas. An anti-reflection film is formed on each of the non-reflection areas. Each of the anti-reflection films has a plurality of transparent columnar components.

Abstract: An image display apparatus includes a projector receiving an image signal and projecting image light and a screen including a projection plane of arbitrary shape. The projector and screen are connected with link mechanisms and link mechanisms. The relative position and posture between the projector and the screen are automatically or manually changeable. The relative position and posture between the projector and the screen are measured, and correction parameters for correcting distortion of image light projected from the projector onto the screen are calculated from the previously set viewing position of the viewer and the shape of the projection plane of the projector. Based on the calculated correction parameters, the image signal inputted into the projector is subjected to distortion correction processing. It is therefore possible to allow the viewer to see a clear image even if the position of the screen is changed.