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| Number | Title | Issue Date |
| 8144397 | Laminated sheet and display screen 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 shee... | 03/27/2012 |
| 8130446 | Optical diffusing sheet, optical deflecting sheet, and transmission type screen An optical deflecting sheet for a transmission type screen that emits imaging light projected from an incident side to an emergent side. The optical deflecting sheet includes a highly rigid substrate layer with a light-transmissibility and a high rigidity, and a plu... | 03/06/2012 |
| 7936506 | System and method for displaying images System and method for projection display with slim cabinet depth. An embodiment comprises a collimating layer positioned in a light path of a display plane, and a diffusion layer positioned in the light path of the display plane after the collimating layer. The diff... | 05/03/2011 |
| 7885003 | Optical diffusing sheet, optical deflecting sheet, and transmission type screen An optical diffusing sheet is provided, which prevents deterioration in image quality which might result from warping of the sheets due to environmental changes, and is capable of, even if a substrate is broken by an accident, preventing scattering of pieces of the ... | 02/08/2011 |
| 7872801 | Fresnel lens sheet, light-transmission screen, and projection image display apparatus The Fresnel lens sheet according to the present invention has a plurality of prismatic Fresnel lens elements including a Fresnel facet, a riser facet, and a top facet crossing the facet and the riser facet on an entrance surface. An angle of the top facet of each Fr... | 01/18/2011 |
| 7852556 | Total internal reflection fresnel lens systems, assemblies, and methods Off-axis total internal reflection Fresnel lenses and projection screens are disclosed that, when combined, enable construction of projection assemblies for rear-projection-type screen devices (e.g., projection television systems) that are thinner, provide easier ha... | 12/14/2010 |
| 7697202 | Screen, fresnel lens sheet used for the same, and image display apparatus using the same An image display apparatus includes an image generation source, optics for projecting in an enlarged form the image generated by the image generation source, and a transmissive screen for displaying the image projected from said optics. The transmissive screen inclu... | 04/13/2010 |
| 7688507 | Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet In a diffusion sheet, a plurality of approximately trapezoidal columnar unit lens portions are disposed such that the long-axis directions thereof are in parallel with each other, and all the surfaces of the unit lens portions, which correspond to the long bottom se... | 03/30/2010 |
| 7675679 | Image display device and Fresnel lens sheet used therefor A Fresnel lens sheet used for an image display device is disclosed. The Fresnel lens sheet is provided with a first prism group in an area of a light entrance plane of the Fresnel lens sheet where the incident angle of light is equal to or more than a predetermined ... | 03/09/2010 |
| 7535637 | Fresnel lens sheet, transmission type screen and rear projection type display apparatus A rear projection type display apparatus is disclosed wherein image light reflected upon entrance thereof into a Fresnel lens sheet of the reflection type provided on a transmission type screen is suppressed from making stray light. A Fresnel lens sheet for converti... | 05/19/2009 |
| 7529023 | Image display, Fresnel lens and screen In a Fresnel screen for displaying an image, comprising, a screen surface, and a reverse surface opposite to the screen surface in a thickness direction of the screen to be prevented from facing to the viewer, the Fresnel screen has first prism surfaces extending to... | 05/05/2009 |
| 7525728 | Transmissive screen and rear projection display apparatus A transmissive screen includes a first board member on a light source side, the first board member including a Fresnel lens on the surface of the light source side and one of a vertical lenticular lens or a horizontal lenticular lens on the surface of a viewer side;... | 04/28/2009 |
| 7460300 | Projection-type picture display apparatus and screen used thereby A screen for use in a projection-type image display apparatus having an image displaying element which includes a plurality of pixels for modulating light from a light source so as to form an enlarged picture on the screen. The screen includes a Fresnel lens sheet, ... | 12/02/2008 |
| 7453638 | Fresnel lens sheet, rear projection screen, and rear-projection-type display The present invention provides a Fresnel lens sheet that scarcely makes the projected image distorted, and others. The Fresnel lens sheet has a plurality of unit total reflection Fresnel lenses arranged on the light-entering side, each unit lens having a light-enter... | 11/18/2008 |
| 7436593 | Screen, fresnel lens sheet used therefor, and image display apparatus using the same Images that are bright even on the periphery of a transmissive screen are obtained by reducing reflection loss of the screen when the screen incident angle of the image light entering the upper left and right ends of the screen increases. Incident-side prisms (10... | 10/14/2008 |
| 7423808 | Rear projection screen with spatial varying diffusing angle A Fresnel lens of the prior art is split into two Fresnel lenses to allow easier control of the horizontal and vertical viewing angles. In a second embodiment, the Fresnel lens is entirely eliminated. Instead, the diffuser contains elliptical microstructures so that... | 09/09/2008 |
| 7408708 | Diffusing sheet, surface light source unit, and transmission type display A diffusing sheet, a surface light source unit, and a transmission type display that can attain uniform illumination so that the brightness of light on the display screen appears uniform regardless of the position from which the display screen is observed. The diffu... | 08/05/2008 |
| 7408707 | Multi-region light scattering element A multi-region light scattering element with the optical characteristics of low speckle, high resolution high contrast, and high gain when used as an imaging element without any resulting loss of transmission or brightness with viewing angle. The multi-region light ... | 08/05/2008 |
| 7403335 | Screen, Fresnel lens sheet used for the same, and image display apparatus using the same The present invention provides a screen suitable for reducing the longitudinal dimension of a set. The present invention includes two prism sections. One is a totally reflective prism section (10) provided at the image generation source side of a Fresnel lens... | 07/22/2008 |
| 7379240 | Rear projection-type screen and rear projection-type image display device A rear projection-type screen includes two sheet-like members having lenses prevented from being deformed and scratched. In the rear projection-type screen (5) for passing and focusing image light L emitted from an image light source (3), two sheet-lik... | 05/27/2008 |
| 7375883 | Lens sheet, transmission type screen, and rear projection type display A lens sheet, transmission screen, and a rear projection display are provided. The lens sheet includes fly-eye lens elements periodically arranged on one side of a transparent base, wherein the lens elements are composed of a UV-curing type resin, and the storage el... | 05/20/2008 |
| 7375884 | Rear projection screen and optical device thereof A rear-projection screen comprises an optical unit, a light-blocking layer, and an optical lens. The optical unit has a first surface and a second surface. The first surface is opposite to the second surface. The first surface has a plurality of cylindrical convexes... | 05/20/2008 |
| 7369311 | Lens sheets for rear projection screens A lens sheet for use as a Fresnel lens sheet or a lenticular lens sheet of rear projection screens, which includes a plastic substrate and a lens element disposed on the plastic substrate. The plastic substrate includes at least a first surface layer, an intermediat... | 05/06/2008 |
| 7364300 | Theta-parallax-only (TPO) displays A 3-D display may comprise a rotating optical diffuser for displaying 3-D parallax images in specific substantially unidirectional viewing zones as the rotating optical diffuser rotates; and a projector for projecting images through the rotating optical diffuser. | 04/29/2008 |
| 7362493 | Micromirror and post arrangements on substrates A micromirror of a micromirror array of a spatial light modulator used in display systems comprises a mirror plate attached to a hinge that is supported by two posts formed on a substrate. Also the mirror plate is operable to rotate along a rotation axis that is par... | 04/22/2008 |
| 7362503 | Screen, Fresnel lens sheet used for the same, and image display apparatus using the same The present invention provides a technology that makes it possible to display high-quality images by reducing a reflection loss of the image light entering the upper left and right ends of a transmissive screen. At the image generation source side of the Fresnel len... | 04/22/2008 |
| 7359596 | Micro lens array and a method of manufacturing a replication mold for the same The micro-lens array in which a plural of convexly-protruded micro-lens are closely arranged two-dimensionally and a plural of convex sub-lenses having a curvature-radius smaller than that of the micro-lens are protrusively formed on the surface of each micro-lens h... | 04/15/2008 |
| 7356211 | Lighting system A stereoscopic display device is provided. The stereoscopic display device includes an optical waveguide member and a first main surface and a second main surface. The first and second main surfaces face each other. A first light path changing member is provided on ... | 04/08/2008 |
| RE40226 | Rear projection screen having reduced scintillation A rear projection screen of the present invention includes lens sheets or optical sheets having an optical function of condensing or diffusing light. The lens sheets or optical sheets have, as a whole, two or more diffusing layers (diffusing parts) separately provid... | 04/08/2008 |
| 7355686 | Optical system including molded optical element and method of manufacturing the optical system An optical system that includes a molded optical element having a non-uniform refractive index distribution due to molding and a method of manufacturing the optical system is disclosed. Data of the non-uniformity of the refractive index distribution associated with ... | 04/08/2008 |
| 7354158 | Transmission-type screen and projection-type display device Exemplary embodiments provide a transmission-type screen and a projection-type display device, which are superior in contrast. Exemplary embodiments provide a transmission-type screen characterized by including a display plane; a front side layer; and a backside lay... | 04/08/2008 |
| 7352508 | Fresnel lens sheet and transmission type screen comprising it The present invention provides a Fresnel lens sheet capable of effectively preventing such troubles as the production of double images that occurs due to stray light. A Fresnel lens sheet (1) comprises a base (1a) in sheet form, and a plurality ... | 04/01/2008 |
| 7350925 | Total internal reflection Fresnel lens and optical system using the same Described is an optical lens having a light-receiving surface facing a light source and a first structured surface opposite a first portion of the light-receiving surface. The first structured surface includes a plurality of first reflecting surfaces and first refra... | 04/01/2008 |
| 7345819 | Light diffusing member There is provided a light diffusing member for a transmission screen that has a satisfactory surface protective effect while maintaining excellent light diffusing effect and antireflective effect. The light diffusing member for a transmission screen comprises a hard... | 03/18/2008 |
| 7342720 | Surface protective member for transmission screen There is provided a surface protective member for a transmission screen that has excellent antireflective effect while maintaining a surface protective effect. The surface protective member for a transmission screen comprises a fine particle-containing hard coat lay... | 03/11/2008 |
| 7342728 | Fresnel lens, backprojection screen, and corresponding backprojection system and unit The invention relates to a Fresnel lens. Each refractive structure of the lens is bounded by two surfaces, the second surface making a second angle with the normal to the plane of incidence. At least two zones of refractive structures are provided in which the secon... | 03/11/2008 |
| 7341353 | Variable fresnel screen for use in projection device A thin rear projection television using a wide angle lens system is provided. In an embodiment, a fresnel screen is used in which there are at least two spatial zones in the screen with different properties. The at least two zones may be adapted to compensate for th... | 03/11/2008 |
| 7339733 | Fresnel lens sheet and rear projection screen using it A Fresnel lens sheet which is bright due to a small light quantity loss, is restricted in speckles and ghosts, does not produce moires, and can be used in an inexpensive transmitting screen, wherein the sheet satisfies the diffusion characteristics of the following ... | 03/04/2008 |
| 7334901 | Low profile, large screen display using a rear projection array system Low-profile, large screen display using a rear projection array system using an array of micro projectors, each comprised of a micro-display device, several optical components, a red/green/blue light emitting diode light source, a light sensor for each color and pow... | 02/26/2008 |
| 7331679 | Reflection unit having a mirror array, and projection display system employing the same A projection display system includes a screen, an illumination projecting system to form an image using light radiated by a light source, to magnify the image, and to project the image along a rear side of the screen, and a reflection unit having an array of unit mi... | 02/19/2008 |
