Class / Patent application number | Description | Number of patent applications / Date published |
359459000 | Unitary sheet comprising plural reflecting areas | 26 |
20080297895 | REFLECTIVE SCREEN AND DISPLAY SYSTEM - A disclosed reflective screen is configured to display an image projected from a projection device located within a short distance. The reflective screen comprises a first reflective surface configured to reflect, in a substantially same direction, projection light beams projected from a first position, and a second reflective surface configured to reflect, in the substantially same direction, projection light beams projected from a second position different from the first position. | 12-04-2008 |
20080304150 | Screen and projection system using the same - A front screen with a simple construction provides a wide viewing angle towards the desired direction, realization of an image projection system. The front screen that is utilized in present invention comprising a directional diffusing layer that transmits and diffuses incoming light from a specified angular range and linearly transmits incoming light from other angles, and a light-reflection layer that provides reflecting elements that scatters and reflects light. Furthermore, the light-scattering field of the reflecting elements in the light-reflecting layer in the up and down direction differs to that in the left and right direction and provides an anisotropic scattering property. Thereby, the construction is adjusted to the viewing condition. | 12-11-2008 |
20090027771 | PROJECTION SCREEN AND METHOD OF MAKING THE SAME - A projection screen includes a light absorbing substrate having a plurality of alternating crests and recessed portions. A light reflecting layer is established on the light absorbing substrate such that a receding portion is established on each of the recessed portions and a conformal portion is established on each of the crests. Each of the plurality of crests has a surface at which the light absorbing substrate is exposed. | 01-29-2009 |
20090046361 | REFLECTION TYPE SCREEN AND FORWARD PROJECTION SYSTEM - There are provided a reflection type screen capable of suppressing effects of external light and obtaining a wide viewing angle with a simple structure, and a forward projection system having the reflection type screen. | 02-19-2009 |
20090059365 | DEVICE AND METHOD FOR THE PRESENTATION OF STATIC OR MOVING IMAGES - The invention relates to a device and method for displaying a static or moving picture, wherein the inventive device comprises a laser light source and a screen and is characterized in that said screen has a structure at which the illuminated parts simultaneously reflect or transmit light in different directions inside a beam width. | 03-05-2009 |
20090153958 | DISPLAY SCREEN FOR USE IN FRONT PROJECTORS - A screen for use in image presentations comprises an array of transmissive elongated prisms. The screen is capable of delivering incident light, having an incident angle within a specific incident angle range, to the viewing area, while preventing ambient light to be directed to the viewing area. | 06-18-2009 |
20090195872 | Screen and projection system - A screen includes a plurality of reflecting portions disposed on a flat surface with a clearance left between one another. The reflecting portions reflect diagonal incident light coming in a predetermined direction other than the normal line direction of the flat surface, and block the diagonal incident light by reflecting the incident light such that the incident light cannot reach each area between the adjoining reflecting portions on the flat surface. | 08-06-2009 |
20090231696 | SCREEN AND PROJECTOR - A screen includes a plurality of structures arrayed in parallel in at least one direction of a first direction and a second direction perpendicular to the first direction on a reference surface parallel to the first direction and the second direction. The structures are arrayed such that at least one of a distance between central positions of the structures adjacent to each other and a size of the structure changes irregularly in at least one direction, in which the structures are arrayed in parallel, of the first and second directions. | 09-17-2009 |
20100039703 | METHOD OF MANUFACTURING SCREEN AND SCREEN - 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. | 02-18-2010 |
20100067107 | SCREEN AND METHOD OF MANUFACTURING SCREEN - 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. | 03-18-2010 |
20100188746 | Polarization preserving front projection screen microstructures - 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. Such a screen, when combined with matched polarization analyzing eyewear, provides extremely low cross-talk from any observation point. | 07-29-2010 |
20100259818 | REFLECTIVE SCREEN, PROJECTION SYSTEM, FRONT PROJECTION TELEVISION, AND REFLECTIVE SCREEN MANUFACTURING METHOD - 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. | 10-14-2010 |
20110069385 | SCREEN - A screen includes: a screen substrate; a first area disposed on the screen substrate and containing a first main line which has a plurality of first concaves for reflecting light and a first supplementary line which is disposed on the screen substrate at a position adjacent to the first main line and has the same number of second concaves as that of the first concaves formed adjacent to the second concaves, the first main line and the first supplementary line being alternately and repeatedly arranged; and a second area disposed on the screen substrate in a region where an angle of incidence of projection light with respect to the screen substrate becomes larger than in the first area and containing a second main line which has a plurality of third concaves for reflecting light and a second supplementary line which is disposed on the screen substrate at a position adjacent to the second main line and has a larger number of fourth concaves as that of the third concaves formed adjacent to the fourth concaves, the second main line and the second supplementary line being alternately and repeatedly arranged. | 03-24-2011 |
20110176209 | SCREEN FABRIC AND SCREEN - 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. | 07-21-2011 |
20110188114 | SCREEN AND PROJECTOR - A screen includes a plurality of structures arrayed in parallel in at least one direction of a first direction and a second direction perpendicular to the first direction on a reference surface parallel to the first direction and the second direction. The structures are arrayed such that at least one of a distance between central positions of the structures adjacent to each other and a size of the structure changes irregularly in at least one direction, in which the structures are arrayed in parallel, of the first and second directions. | 08-04-2011 |
20110194178 | REFLECTIVE SCREEN - 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. | 08-11-2011 |
20120008202 | REFLECTIVE PROJECTION SCREEN HAVING MULTIINCEDENT ANGLE - Embodiments of the invention relate to a reflective projection screen for image, and more particularly, to a shape and a fabrication method for a reflective projection screen for a projector having short focal length of short projection distance, and particularly to a reflective projection screen applicable to 2D and 3D. In particular, embodiments of the present invention relates to a reflective projection screen having multi-incident angle wherein every reflection surface is prepared per projection angle of projection image and incident angles are formed differently from each reflection surfaces so that the projection images from different angles are reflected into one direction. | 01-12-2012 |
20120081782 | Cleanable coating for projection screen - A method for providing a projection screen for receiving stereoscopic images may include providing a substrate with a contoured, reflective surface, wherein light reflected from the substrate substantially may undergo no more than a single reflection and may also include coating a first layer on the substrate with a contoured, reflective surface. The first layer may substantially maintain the same optical properties as the substrate without the first layer. The first layer may be substantially conformal to the surface of the substrate and also may be a self assembled monolayer coating which may include at least a functional group that is hydrophobic. | 04-05-2012 |
20120113508 | Polarization preserving front projection screen microstructures - 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. Such a screen, when combined with matched polarization analyzing eyewear, provides extremely low cross-talk from any observation point. | 05-10-2012 |
20120236401 | SCREEN AND METHOD FOR PRODUCING FORMING MOLD - 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. | 09-20-2012 |
20120268814 | REFELCTIVE FRONT SCREEN - A screen which reflects light emitted from a projector includes a light diffusion layer through which light incident from a specific angular region is diffused and transmitted and through which light incident from the other angular region is transmitted straight; area pairs having a mirror forming area and a non-mirror forming area; a light transmissive layer having a back surface, on which the area pairs are disposed, and an opposite surface being bonded to a back side of the light diffusion layer; and a specular reflection film formed on a back surface of each mirror forming area. An inclination of the mirror forming area with respect to a normal line of the screen close to the projector becomes larger than the inclination of the mirror forming area far from the projector within a cross section perpendicular to the mirror forming areas inside the screen. | 10-25-2012 |
20140036359 | SCREEN FOR FRONT PROJECTION APPARATUS AND FABRICATION METHOD THEREOF - A screen for a Fresnel type front projection apparatus is provided. The screen includes a reflective layer including a plurality of reflective protrusions which project toward a front of the screen; each of the plurality of reflective protrusions including a reflective surface which forwardly reflects an image light projected from a projector; and an absorbing surface which absorbs an external light. The reflective surface includes a first region on an inner side thereof on which a reflective coating is not formed and a second region on an outer side thereof on which the reflective coating is formed. | 02-06-2014 |
20140293414 | SCREEN AND SCREEN MANUFACTURING METHOD - Since a screen contains a diffusion agent, the diffusion agent changes polarization characteristics of picture light and degrades the stereoscopic image. Provided is a screen comprising a substrate shaped as a flat board; a reflective layer made of metal arranged on one surface of the substrate; and an exposure layer that is arranged on a surface of the reflective layer facing away from the substrate, is optically isotropic and transparent with respect to visible light, and has bumps and depressions formed in an exposed surface thereof. Also provided is a screen manufacturing method comprising providing a reflective layer on a substrate shaped as a flat board; and forming an exposure layer on a surface of the reflective layer facing away from the substrate, the exposure layer being optically isotropic and transparent with respect to visible light and having bumps and depressions formed in an exposed surface thereof. | 10-02-2014 |
20140307313 | Cleanable coating for projection screens - A method for providing a projection screen for receiving stereoscopic images may include providing a substrate with a contoured, reflective surface, wherein light reflected from the substrate substantially may undergo no more than a single reflection and may also include coating a first layer on the substrate with a contoured, reflective surface. The first layer may substantially maintain the same optical properties as the substrate without the first layer. The first layer may be substantially conformal to the surface of the substrate and also may be a self assembled monolayer coating which may include at least a functional group that is hydrophobic. | 10-16-2014 |
20140355112 | PROJECTION SCREEN WITH GOLD COATED PROJECTION RECEIVING SURFACE - A projection screen has a gold coated projection receiving surface that reflects light. The projection screen includes a support structure and an adhesive layer on top of the support structure. A fiber support is adhered to the support structure using the adhesive layer. A chalk and adhesive layer is applied on to the fiber support and a clay and adhesive layer is applied on to chalk and adhesive layer. A gold layer is applied to the clay and adhesive layer. A light or a portion thereof passes through each of the multiple ordered layers, including the gold layer, the clay and adhesive layer, the chalk and adhesive layer and reflects back a lustrous, iridescent image that has motion and depth qualities with transmuted color characteristics. | 12-04-2014 |
20160011342 | Embedded Diffuser Structure | 01-14-2016 |