Class / Patent application number | Description | Number of patent applications / Date published |
359449000 | With reflector or additional screen | 28 |
20080218853 | Micro-structure based screen system for use in rear projection array display systems - The viewing angle brightness sensitivity typically encountered in tiled rear projection display systems cannot be solely overcome by edge blending and calibration techniques. The rear projection array display-screen system of this invention, being comprised of a micro-structure array screen combined with a conventional diffusion screen, overcomes this viewing angle brightness sensitivity in both linear as well as matrix tiled rear projection display systems including those that use wide field-of-view projectors. The latter capability enables low form-factor and compact packaging of tiled rear projection display systems. | 09-11-2008 |
20080285125 | OPTICAL PANEL FOR FRONT PROJECTION UNDER AMBIENT LIGHTING CONDITIONS - An optical display panel that comprises a plurality of stacked optical waveguides including a plurality of stacked optical waveguides each having an optical core with a first and a second surface, a cladding layer on each of the first and second surfaces of the core, a diffuser on the front face of the stacked waveguides, and a reflector on the back face of the stacked waveguides. The stacked waveguides form a front face and a back face and images are viewed from the front face of the stacked waveguides, which are planar. | 11-20-2008 |
20090086317 | Reflective Screen - A reflective screen which can reflect images of high contrast, in particular, a reflective screen which can reflect images of higher contrast without increasing brightness of dark portions of projector images, even in a bright environment is provided. The reflective screen | 04-02-2009 |
20090097111 | System and Method for Viewing Projected Light From Portable Devices - An apparatus is disclosed which may include a sheet of reflective material suitable for forming a display screen; a screen control mechanism operable to move the reflective material into extended and retracted positions, wherein the apparatus is portable and configured to receive image data from a hand-held projection device. | 04-16-2009 |
20090103176 | Laser Image Display Device and Laser Image Display Screen - A laser image display device and a laser image display screen used for the laser image display device. The laser image display device is provided with a laser light source for emitting laser beams and a laser image display screen ( | 04-23-2009 |
20090141348 | REFLEX-TYPE SCREEN, SCREEN APPARATUS, AND SHEET-LIKE ARTICLE - The present invention provides a reflex-type screen which is wound up by a winding shaft to be retracted and is unwound from the winding shaft in use. The reflex-type screen comprises a reflection layer which reflects an incident light, a transparent surface protective layer provided on a first surface of the reflection layer, and a back surface protective layer provided on a second surface of the reflection layer, wherein as between the surface protective layer and the back surface protective layer, the one that has a higher loop stiffness value, faces inward when the reflex-type screen is wound up by the shaft. | 06-04-2009 |
20090153957 | PROJECTION-TYPE DISPLAY APPARATUS AND DISPLAY METHOD THEREOF - A projection-type display apparatus and a display method thereof are disclosed, the projection-type display apparatus including a coated portion which is formed on a surface of a substrate, and which scans a video onto a screen, and a patterned portion which is formed on another surface of the substrate in a serrated pattern, wherein the serrated pattern is formed on the substrate according to the surface area of the patterned portion and the depth of the serrated pattern. A serrated pattern is formed on a substrate forming a reflective portion to reflect a video on a screen, so the cooling surface area of the substrate is increased, thereby compensating for distortions in video scanned onto the screen. | 06-18-2009 |
20090219615 | Projector screen and display system - A translucent projector screen on which light from a display unit disposed obliquely forward of the screen is projected, said projector screen integrally includes: a sheet-shaped main body; a plurality of convex lenses integrally formed on a surface of the main body; and a plurality of reflective members disposed on the main body corresponding to the convex lenses and respectively reflecting the display light emitted to the convex lenses in a specific incident angle toward the convex lenses other than the convex lenses to which the display light is emitted. The convex lenses have spherical surfaces or aspheric surfaces so that respectively collect the display light to the reflective members, and emit the display light reflected by the reflective members in a specific output angle. | 09-03-2009 |
20090244702 | REFLECTIVE SCREEN, DISPLAY DEVICE, AND MOBILE APPARATUS - A reflective screen includes: a substrate having a first refractive index; and a periodic structure provided on a major surface of the substrate and including a periodic film which has a period Λ and is made of a material having a second refractive index that is higher than the first refractive index. The period Λ is not less than 400/(N+1) nm and not more than 680/(N−1) nm, where N is an equivalent refractive index of the periodic film. | 10-01-2009 |
20100079861 | Exit Pupil Forming Scanned Beam Projection Display Having Higher Uniformity - Briefly, in accordance with one or more embodiments, a display screen for a scanned beam display system comprises an exit pupil expander comprising a reflective layer to reflect an incoming beam from a scanned beam projector to an eyebox. Exit numerical aperture cones emanating from the exit pupil expander resulting from the reflected incoming beam are angularly redirected toward an eyebox disposed near an image plane to result in at least partially overlapping zeroth-order diffraction pattern from multiple spots on the exit pupil expander. | 04-01-2010 |
20100103513 | Projection screen - A projection screen includes a reflection layer, a light absorbing structure, a plurality of light diffusion layers, and a lens structure. The light absorbing structure is disposed on the reflection layer and has a plurality of apertures. A part of the reflection layer is exposed via the apertures. The light diffusion layers have a first index of refraction. Each of the light diffusion layer is disposed in the corresponding aperture and contacts the corresponding reflection layer exposed via the corresponding aperture. The lens structure is disposed on the light diffusion layers and the light absorbing structure. A light incidence side of the lens structure includes a plurality of convex lenses. The convex lenses are respectively corresponding with the light diffusion layers. The lens structure has a second index of refraction, and the second index of refraction is smaller than the first index of refraction. | 04-29-2010 |
20100103514 | Projection screen - A projection screen is adapted to reflect the projection light generated by a projector. The projection screen includes a light absorbing layer, a light reflection layer connected adjacently to the light absorbing layer, and a light transparent layer. The light transparent layer is disposed on the light absorbing layer and the light reflection layer, and has a total reflection surface, a light emitting surface, and a light incident surface connected adjacently to the total reflection surface. The light incident surface provides a theoretical light convergence point, and the light convergence point and the location of the light reflection layer are in mirror symmetry relative to the total refection surface. The projection light enters into the light transparent layer through the light incident surface for refraction, and travels to the total reflection surface for totally reflection, and then to the light reflection layer for reflecting to the light emitting surface. | 04-29-2010 |
20100195200 | SCREEN, CONTROL METHOD, PROGRAM, AND RECORDING MEDIUM - The present invention relates to a screen, a control method, a program, and a recording medium that can provide audio and video at an optimal position for a user. | 08-05-2010 |
20110157695 | PROJECTION SCREEN FOR DISPLAYING TWO-DIMENSIONAL AND THREE-DIMENSIONAL MOTION PICTURES AND METHOD OF USE THEREOF - 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. | 06-30-2011 |
20120154908 | REFLECTION TYPE SCREEN AND METHOD OF MANUFACTURING REFLECTION TYPE SCREEN - The invention relates to a reflection type screen capable of reducing contact resistance between a reflection surface and a rear surface of a screen base, and to a method of manufacturing this reflection type screen. A reflection type screen includes a sheet-shaped base (screen base) which is flexible and has a first surface (base front surface) reflecting projection light and a second surface (base rear surface) as the surface opposite to the first surface (base front surface). The second surface (base rear surface) has an uneven shape (uneven surface). The uneven shape (uneven surface) is uniformly formed. The uneven shape (uneven surface) has crimps. | 06-21-2012 |
20120206800 | Polarization preserving projection screen with engineered pigment and method for making same - 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. | 08-16-2012 |
20120250150 | Projection Screen for Displaying Two-Dimensional and Three-Dimensional Motion Pictures and Method of Use Thereof - 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. | 10-04-2012 |
20120275020 | METHOD OF MANUFACTURING ARRAY SUBSTRATE, ARRAY SUBSTRATE, METHOD OF MANUFACTURING SCREEN, AND SCREEN - 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. | 11-01-2012 |
20130050814 | PROJECTION SCREEN AND PROJECTION SYSTEM HAVING THE SAME - A projection screen is provided, which includes a reflective layer having plural reflective patterns which are spaced apart from one another and each of which includes an image reflective surface having an inclination angle against a horizontal direction so as to guide an image light toward a front of the screen, and plural external light absorption layers absorbing external lights incident to the screen. | 02-28-2013 |
20130100527 | VEHICULAR PROJECTION SYSTEM - A vehicular projection system including a projection apparatus, a beam splitting module, and two projection screens is provided. The projection apparatus provides at least one image light beam. The beam splitting module divides the image light beam into a first image light beam and a second image light beam. The two projection screens receive the first image light beam and the second image light beam respectively. Each of the first image light beam and the second image light beam respectively forms an image on one of the two projection screens corresponding thereto. | 04-25-2013 |
20130120835 | SCREEN AND METHOD FOR MANUFACTURING SCREEN - A screen can advance light from a projector to the front efficiently with an appropriate angle distribution, and provides a high-luminance high contrast image inexpensively and easily. The screen includes a concave-convex screen base which reflects projected light and performs display. A metal reflection film is formed by transfer from a transfer foil. A protection film is formed on the surface of the metal reflection film. A method for manufacturing a screen includes heat transfer of the transfer foil to a screen material and base deformation in which concave and convex portions on the screen material are formed. | 05-16-2013 |
20130170028 | SCREEN AND PROJECTION SYSTEM - A screen in which observation distance may be adjusted while maintaining image brightness and a projection system using the screen. In a light control layer of a screen, a first angle region that determines a diffusion distribution of a reflected light is different according to the screen position in a control direction in which light diffusion control is performed. Accordingly, a diffusion distribution of image light emitted from a screen surface is adjusted to be tilted downward by an upper end and upward by a lower end according to the screen position. Thus, for example, a size of a diffused angle range is maintained to be 30°, and a direction in which the image light is diffusion-emitted corresponds to an assumed position of an observer. The projection image can be observed while maintaining brightness of an image and the observation distance can be adjusted to be short. | 07-04-2013 |
20140049820 | Dual Projection System - A dual projection system includes a projector, a partially transparent white film, and a partially transparent black film. The still or motion image from the projector is projected directly on the partially transparent white film. The partially transparent black film is disposed behind the partially transparent white film with an gap. The partially transparent white film reflects and displays a first portion of the still or motion image thereon for a first observer inside. The partially transparent black film allows a second portion of the still or motion image transmitted through the partially transparent white film transmitted therethrough for a second observer outside. | 02-20-2014 |
20140085718 | PROJECTION SCREEN AND PROJECTION SYSTEM THEREOF - A projection screen includes a substrate having a projection area for a projection device to project an image onto the projection area. The projection area includes a plurality of arrayed optical regions, and each pixel of the image corresponding to the at least one optical region. Each of the optical regions includes a first optical sub-region and a second optical sub-region with different optical characteristics, such as reflective scattering, transmissive scattering, simple transmission or specular reflection. The above-mentioned projection screen with the optical characteristics of two or more, for example, can be at the same time as the front projection screen and the rear projection screen, or allows the user to watch background image behind the projection screen. A projection system including the above-mentioned projection screen is also disclosed. | 03-27-2014 |
20140092471 | REFLECTION SCREEN AND IMAGE DISPLAY SYSTEM - A reflection screen includes: a reflection layer provided on the back side and adapted to reflect light; and a surface shape layer provided on the reflection layer, at the image source side relative to the reflection screen, the surface shape layer having a plurality of unit optical shapes arrayed and deflecting image light toward the reflection layer side. The unit optical shape satisfies, in a section along the array direction of the unit optical shapes and orthogonal to a screen plane, the relationship of α+2φ−θ>90°, where θ is an angle that a total reflection surface makes with a plane parallel to the screen plane, φ is an angle that an incidence surface makes with a normal direction to the screen plane, and α is an angle that light incident on the incidence surface makes with the normal direction to the screen plane. | 04-03-2014 |
20140139914 | REFLECTION TYPE SCREEN FOR FRONT PROJECTION DISPLAY APPARATUS - Provided is a front reflection screen for a front projection display apparatus. The front reflection screen includes a reflection layer configured to reflect an incident light including an image light projected from a projector and an external light, and a tint layer disposed before the reflection layer and including light absorbing particles to block a portion of the incident light. | 05-22-2014 |
20140313579 | HIGH CONTRAST PROJECTION SCREEN - The present disclosure describes a front projection system. The front projection system includes a light absorbing layer having an absorbance in a visible range of the electromagnetic spectrum of at least 80% and a light diffusing layer disposed on the light absorbing layer between the light absorbing layer and the projector. The light diffusing layer includes a plurality of metal flakes uniformly distributed in a host material, an average size of the plurality of metal flakes being in a range from about 0.5 microns to about 20 microns, at concentration of in a range from about 3% to about 30% by weight. A plurality of light absorbing particles uniformly distributed in the host material at a concentration of less than about 7% by weight, and a major front surface facing the projector having an average surface roughness in a range from about 0.5 microns to about 10 microns. | 10-23-2014 |
20160116834 | DISPLAY SYSTEMS AND METHODS EMPLOYING SCREENS WITH AN ARRAY OF MICRO-LENSES OR MICRO-MIRRORS - An immersive display system is disclosed that includes screens configured to mitigate reduction in contrast ratio due at least in part to peripheral light incident on the screens. The immersive display system includes at least one screen having an array of micro-lenses, a light polarization layer on top of the array of micro-lenses, a polarization rotation layer, a light reflection layer, and a section of non-polarizing light scattering material for individual micro-lenses in the array of micro-lenses. In use, light from a projector associated with the screen is substantially scattered by the non-polarizing light scattering material and light from a projector associated with a different screen in the immersive display system is substantially absorbed by the polarization layer. | 04-28-2016 |