Abstract: An adjustable display board system comprises a display board, first and second grippers, first and second racks, and a handle. The first and second grippers are coupled to the display and include a plurality of teeth. The first and second racks are mounted to a rigid structure and include a plurality of teeth generally greater than the number of teeth of the first and second grippers. The teeth of the first and second grippers mesh with the teeth of the first and second racks to maintain the vertical position of the display board. The handle is pushed to disengage the grippers from the racks and allow vertical motion of the display board.

Abstract: An image processor that corrects image signals corresponding to sub-pixels which form one pixel, includes: a shift amount storage section that stores shift amounts of display positions of display sub-pixels corresponding to the sub-pixels which form a display pixel using a predetermined reference position within a display image as a reference position; a frequency analysis section that analyzes a spatial frequency of an input image and outputs an analysis result; and an image signal correcting section that performs correction processing of image signals corresponding to the sub-pixels, which form each pixel of the input image, on the basis of the analysis result and the shift amounts, wherein the image signal correcting section performs different correction processing according to the spatial frequency.

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: A display apparatus for displaying medical information in a medical treatment facility includes an image surface to depict information, such that the image surface is configured so that it can be converted by reshaping from an operating condition into a resting condition and vice versa.

Abstract: The present invention provides a retractable frame of a projection screen, which comprises: a receiving case; a rolling shaft; a rolling device; a first support rod having one end laterally extended with an engaging plate having a plate hole, two opposing sides of the engaging plate respectively having an engaging surface; a second support rod having one end extended with two engaging arms, and each engaging arm having an engaging hole; a combination member connected with the second support rod and the first support rod; a top supporter; and a projection screen. When being unfolded, the top supporter is upwardly pulled till the connection location of the second support rod and the first support rod being approximately a line, so the engaging arms can be tightly abutted against the end portions of the engaging surfaces for achieving the objective of support.

Abstract: A transmission-type screen includes an entering-side Fresnel lens that inflects image light from a light emitter toward a display side using a prism formed on a rear-surface side, which is a light-entering-surface side of the image light; a first light diffusing unit that is provided on the display side with respect to the entering-side Fresnel lens and diffuses the image light from the entering-side Fresnel lens; a second light diffusing unit provided on the display side with respect to the first light diffusing unit, diffuses the image light from the first light diffusing unit, causes the diffused image light to exit toward the display side, and configured to change a relative position thereof to the first light diffusing unit; and a second substrate that holds the second light diffusing unit while being provided on the display side with respect to the second light diffusing unit.

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: 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: An inflatable display screen has a front wall incorporating a rectangular display screen area, and a plurality of inflatable struts surrounding the screen area and extending rearwardly from the front wall to support the screen in an upright condition. A lower horizontal strut extends across the lower end of the front wall and projects forwards from the display screen area. Lower side struts extend rearwards to a lower horizontal strut extending across the rear end of the structure. A pair of rearwardly arched support struts extends from the upper corners of the front wall rearwards and downwards to the rear corners of the structure at corner junctions between the arched struts, lower side struts and the lower horizontal strut.

Abstract: The present invention relates to a simulator comprising at least one projector arranged to project an image, and a non-spherical, generally continuous, dome-like projection surface on which the image is displayed.

Abstract: A wind shield is provided for a projection screen or imaging surface wherein a sheet of material is included behind the projection screen to reduce the impact of wind on the projection screen.

Abstract: A screen unit includes a flexible screen, a pantograph mechanism which expands and stores the screen, a motor which shifts one end of the pantograph mechanism to stretch and contract the pantograph mechanism, and a wire. The screen unit further includes a housing which accommodates these components, and a cover which opens and closes at the time of expansion and storage of the screen. One end of the wire is held by the electric motor, and the other end of the wire is held by the cover, so that the cover can be closed in accordance with the contraction of the pantograph mechanism effected by the motor.

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

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: The present invention is directed to a method of integrating information, including real-time information, into a virtual thematic environment using a computer system, including accessing the stored information from a database or downloading the real-time information from a source external to the thematic environment; inserting the real-time information into the thematic environment; and displaying the information to a user within the thematic environment. In one embodiment, the computer system is connected to a holographic projection system such that the images from the thematic environment can be projected as holographic projections.

Abstract: A projection screen includes a base sheet, a surface roughness structure, a reflective layer, and a light absorption layer. The base sheet has a first side and a second side opposite to the first side. A plurality of first surfaces and second surfaces are formed on the first side, each first surface faces an optical projection system, and each second surface is disposed between two adjacent first surfaces and forms an angle with respect to a neighboring first surface. The surface roughness structure is formed on at least the first surfaces and capable of diffusing a light beam to a limited extent. The reflective layer is formed on the surface roughness structure and capable of reflecting most of the light beam diffused by the surface roughness structure to a limited extent towards a limited viewing cone, and the light absorption layer is formed on the second surfaces.

Abstract: A projection display surface for reducing speckle artifacts from a projector having at least one narrow band light source having an incident visible wavelength band, wherein the incident visible wavelength band has an incident peak wavelength and an incident bandwidth, comprising: a substrate having a reflective layer that reflects incident light over at least the incident visible wavelength band; and a fluorescent agent distributed over the reflective layer, wherein the fluorescent agent absorbs a fraction of the light in the incident visible wavelength band and emits light in an emissive visible wavelength band having an emissive peak wavelength and an emissive bandwidth; wherein return light from the projection display surface produced when incident light in the incident visible wavelength band is incident on the projection display surface contains light in both the incident visible wavelength band and emissive visible wavelength band, thereby reducing speckle artifacts.

Abstract: Various embodiments related to rear-projection image display are disclosed. For example, one disclosed embodiment provides a projector for projecting an image and a screen configured to display the image. The screen comprises a filter layer having a light reception side and an image display side. The filter layer includes an array of trapezoidal transmissive elements and an array of trapezoidal absorption elements, where a wider base of each of the trapezoidal transmissive elements faces the light reception side of the filter layer, and where a wider base of each of the trapezoidal absorption elements faces the image display side of the filer layer.

Abstract: Disclosed is a method of assembling three-dimensional display apparatus, comprising the steps of: providing a support unit comprising a projector mounting and a screen mounting surface with a first aperture therethrough; providing a screen unit, the screen unit comprising a diaphragm and an inflatable screen affixed thereto, the diaphragm defining a second aperture in communication with the interior of the inflatable screen; bringing the screen mounting surface and the diaphragm into contact so as to align the first aperture with the second aperture; and securing the support unit to the screen unit to thereby create a seal between the support surface and the diaphragm around the first and second apertures, wherein the seal is sufficiently gas tight to enable inflation of the screen.

Abstract: A calibration image including dots and scale points is projected at first and second display surfaces. A location of a scale point may be modified. A location for a registration point is determined and the registration point is added to the calibration image. The projected calibration image is captured. A location of the captured registration point and locations captured scale points are identified. Captured dots that are projected onto the first display surface and their locations are identified. Each of the captured dots identified as being projected onto the first display surface are mapped to a corresponding dot of the calibration image. Dots of the calibration image that are not projected onto the first display surface are identified, locations of each of the identified dots are determined, and a synthetic dot is added to the captured image for each identified dot. The captured image may be provided as input to a process for determining one or more inverse offsets.

Abstract: An apparatus and method for producing a screen is provided. The method includes propelling a quantity of paint comprising metallic flakes, such as aluminum flakes, toward the screen. The method also includes applying at least one magnetic field in a vicinity of the screen, wherein applying the at least one magnetic field causes at least one metallic flake in the quantity of paint to be oriented relative to the screen in a substantially preferred orientation, thereby producing a screen exhibiting beneficial projection qualities, such as brightness. The magnetic field(s) applied may be unsymmetric in the time domain of, for example, an AC component of the magnetic field.

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: The invention relates to a foldable display device, consisting of several panels arranged in parallel to each other, which are movably connected with each other. In order to create a display device that may remain locally fixed, there is provided that the display device is not configured simply foldable but in addition is provided with a housing device, which may accommodate the display device in its folded condition.

Abstract: A portable screen assembly that is lighter in weight and easier to handle. The assembly includes a casing, a spring-biased roll rotatably mounted to the casing, a screen bonded at one end thereof to a top bar and wound around the spring-biased roll when in storage, and an expanding and contracting device having one end rotatably mounted to a mounting member mounted to the top bar and the other end rotatably mounted to the casing. The expanding and contracting device is a half-pantograph type expanding and contracting device having a first arm, a second arm and a third arm arranged in an extended plane parallel to the extended screen. The second arm includes two or more mutually parallel sub arms provided to be mutually parallel in the extended plane. The two or more sub arms are connected to the first arm and the second arm so as to form a parallel link.

Abstract: A display has a light source, a spatial light modulator and an intermediate spatial light modulator. The display may be a front projection display or a rear-projection display. The spatial light modulator is illuminated with light from a light source. The intermediate spatial light modulator is located in a light path between the light source and the spatial light modulator. The light source may comprise an array of controllable light-emitters. The display may provide a high dynamic range.

Abstract: The present invention provides a retractable frame of a projection screen, which comprises: a receiving case; a rolling shaft; a rolling device; a first support rod having one end laterally extended with an engaging plate having a plate hole, two ends of the engaging plate respectively having an engaging surface; a second support rod having one end extended with two engaging arms, and each engaging arm having an engaging hole; a combination member connected with the second support rod and the first support rod; a top supporter; and a projection screen. When being unfolded, the top supporter is upwardly pulled till the connection location of the second support rod and the first support rod being approximately perpendicular, so the engaging arms can be tightly abutted against the end portions of the engaging surfaces for achieving the objective of support.

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 embossing at least a first side of a first substrate to produce an optically functional material and then cutting the optically functional material into pieces to produce a plurality of engineered particles. The plurality of engineered particles may then be deposited on a second substrate to produce a substantially homogeneous optical appearance of the projection 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 screen unit includes: a screen having a first side, a second side, and a pair of crossing sides which cross the first side and the second side; a winding shaft holding the first side and functioning as a shaft around which the screen is wound; a supporting portion supporting the second side; a pair of string-shaped members provided between the winding shaft and the supporting portion and disposed outside the pair of the crossing sides of the screen in the directions along the pair of the crossing sides; and a plurality of connecting members provided on the pair of the crossing sides to connect the screen and the pair of the string-shaped members, wherein the pair of the crossing sides are curved toward the inside of the screen, and cushioning members are provided in such a manner as to cover at least the pair of the string-shaped members.

Abstract: A screen includes: a plurality of three-dimensional shape units disposed two-dimensionally on a front side of a screen substrate; a reflecting film formed at least on an area corresponding to projection light entering a surface of the plurality of the three-dimensional shape units of the screen substrate; and a light absorbing film formed on an area corresponding to outside light entering the surface of the plurality of the three-dimensional shape units, wherein at least a part of the light absorbing film is formed so as to overlap a part of the reflecting film on the front side of the reflecting film.

Abstract: Polarization preserving front projection screens and diffusers provide optimum polarization preservation for stereoscopic 3D viewing, as well as improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed screens direct light from a projector toward viewers within a diffusion locus, while maintaining optimum gain characteristics. More specifically, light incident on a region of the front projection screen from a predetermined projection direction is reflected by an engineered surface to a predetermined diffusion locus after undergoing substantially single reflections. The engineered surface, comprised of generating kernels, is used to optimally diffuse illumination light into a range of viewing angles, within the diffusion locus, with suitable gain profile, while optimally preserving polarization for 3D applications.

Abstract: A screen unit includes: a rectangular screen; fixing assist members provided on the screen along two opposed sides of the screen; first supporting units fixed to two sides of the screen different from the two opposed sides along which the fixing assist members are provided; second supporting units fixed to the screen via the fixing assist members; a first tensioning unit which applies tension in the direction of separating the first supporting units away from each other; and a second tensioning unit which applies tension in the direction of separating the second supporting units away from each other.

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 reflective screen comprising: a projection surface on which an image light is projected, a plurality of unit structures provided on the projection surface, one of the plurality of unit structures being formed of a concavely curved surface or a convexly curved surface, a first reflection portion that reflects the image light incident thereon toward a preset field of view, the first reflection portion being provided on the concavely curved surface or on the convexly curved surface and a second reflection portion that reflects at least a part of the image light incident thereon toward a region outside the preset field of view, the second reflection portion being provided on the concavely curved surface or on the convexly curved surface.

Abstract: A screen assembly for a projectile-based simulator is comprised of front, right and left fabric panels that form a hitting bay with a front projector impact screen. Each fabric panel can be raised and lowered with respective roller assemblies that operate unison so that the fabric panels are simultaneously raised and lowered. Zippers are provided between each of the fabric panels that are configured to cause adjacent fabric panels to engage as the panels are lowered and to disengage as the panels are raised to allow the panels to wind upon respective roller assemblies.

Abstract: A portable screen assembly is small, light and easy to handle and enables easy extension and contraction of a column stretching a screen. The column has at least a first cylindrical body, a second cylindrical body, and a third cylindrical body, wherein the first cylindrical body slides within the second cylindrical body and the second cylindrical body slides within the third cylindrical body. The column also includes a first lock portion locking slide of the first cylindrical body, a second lock portion locking slide of the second cylindrical body, a lock release lever provided at an upper end portion of the first cylindrical body, and a release bar having an upper end portion pivotally connected to the lock release lever so as to be movable vertically within the first cylindrical body.

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: An image display apparatus which displays an image as a transmitted projection image includes: a tread-board of a step which has a first projection surface and transmits a projection image projected on the first projection surface; and a cross-board of the step which has a second projection surface and transmits a projection image projected on the second projection surface.

Abstract: A projection system comprising an information processing apparatus capable of processing image data and a projector capable of performing a display process on the image data processed by the information processing apparatus, when the bit number representing the number of gradations of pixel data transmitted from the information processing apparatus to the projector is n-bit and the bit number representing the number of gradations which can be expressed by the projector is m-bit (m>n). The image processing apparatus outputs image data where m-bit pixel data is divided into k-pieces of pixel data of at most n-bits, and the projector synthesizes the k-pieces of pixel data based on a set synthesis rule to generate the m-bit pixel data in the pixel.

Abstract: A projection screen apparatus having a retention member configured, in use, to be in contact with at least one surface of a screen along at least a portion of at least one edge of the screen. The projection screen may include polymeric material and the retention member may be bonded to the screen. The retention member may comprise a plurality of apertures and tensioning members extending through the apertures to apply tension to the screen. A portion of each tensioning member extending through the apertures to contact the retention member may be flexible and non-resilient. The retention member may be configured to allow slidable engagement with the plurality of tensioning members. Each retention member may comprise biasing means configured to bias each retention member away from a neighboring retention member, the biasing means adjustable to vary the bias applied when the screen is in situ.

Abstract: A laminated sheet for a display screen. The laminated sheet includes a multilayer sheet A including two or more layers with different linear expansion coefficients. The laminated sheet further includes a single sheet B which is a sheet other than the multilayer sheet A. When all sheets are stacked, a viewing-side sheet is convex on an image light source side, and an image light source-side sheet is convex on the viewing side, or the viewing-side sheet and the image light source side-sheet are both convex on the image light source side, and a curvature of the viewing-side sheet is greater than a curvature of the image light source-side sheet.

Abstract: A two way mirror system usable for an advertisement device includes a half-mirror having a light transmission function and a reflection function. A logo plate in a shape of an engraving or pattern in relief or intaglio is provided on a front face thereof and a two way screen through which a rear projected image can be viewed from both a front and rear face is provided on a rear face thereof. A single advertising device thus provides a logo advertising using a logo plate and reflected outside light during the day and an image advertisement viewable outside during night time, with inside viewing with double the usual brightness of a reflecting screen.

Abstract: The invention relates to a device for projecting images, comprising an optical element serving as projection surface and at least one projector (1, 1?) at a spacing from the projection surface by a projection spacing (S1) for projecting respectively an image onto the projection surface, the optical element being designed such that light emanating from the projector (1, 1?) is directed into a spatially delimited viewing zone (6, 6?) which is consequently assigned unequivocally to this projector (1, 1?), a viewing zone (6, 6?) being defined as the region from which the image projected by the projector (1, 1?) to which this viewing zone (6, 6?) is assigned is completely visible, and a viewing plane being definable as a plane which is at a spacing from the projection surface by a viewing spacing (S2) and in which a width of the viewing zone (6, 6?) is maximum.

Abstract: Various embodiments for image pixel transformation are disclosed.

Abstract: Projection screen coating. In at least one embodiment of a coating for a projection screen for displaying an image projected as a combination of primary colors of the present disclosure, said coating comprises one or more primary pigments, each of said primary pigments corresponding to at least one of said primary colors. In at one embodiment of a coating for displaying an image projected as a combination of primary colors of the present disclosure, said coating comprises one or more primary pigments, each said primary pigment corresponding to one of said primary colors, one or more reflective pigments, and a transparent medium.

Abstract: A screen fabric includes a stack of a plurality of layers. The plurality of layers include: a first layer that forms a surface layer on which a three-dimensional portion is to be formed; and a second layer that is different from the first layer. The first layer is made of a vinyl chloride resin, and the second layer has a lower hardness than the first layer.

Abstract: A method of manufacturing a screen having a screen substrate provided with a plurality of three-dimensional shape units disposed two-dimensionally on a front side of the screen substrate, includes: forming a first film by applying a first film forming material to be an antireflection film to at least part of surfaces of the three-dimensional shape units among the screen substrate; and forming a second film by applying a second film forming material to be a reflecting film with a predetermined incident angle to the screen substrate, the reflecting film on at least part of the antireflection film.

Abstract: The present invention relates to a light guiding film including a film base and at least one microstructure. The microstructure is disposed on a side of the film base, and comprises a first surface and a second surface. A first inclination angle is between the first surface and a reference plane, the reference plane is perpendicular with the film base, and a second inclination angle is between the second surface and the reference plane. The total energy of the output light beams with the output angles from 85 to 120 degrees is more than 40% of the total energy of the output light beams with the output angles from 0 to 180 degrees. Therefore, the light guiding film can guide the incident light beams into a room near horizontally and avoid glare.

Abstract: A combination mirror and media display device assembly is provided. The combination mirror and media display device includes a mirror platform having a media display device viewing area and a media display device coupled to the mirror platform. The media display device is positioned to display images through the media display device viewing area.

Abstract: A projection-type image display apparatus includes a screen on which an image is projected; and a frame that holds a periphery of the screen. The frame includes a plurality of frame units that respectively extend along a plurality of sides of the screen and holds a rim of the screen, and a coupling member that couples the frame units that abut at a corner portion. Each end of the coupling member is fitted into an enclosed section formed at a rear portion of each of the frame units at a position hidden behind the screen.