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| Number | Title | Issue Date |
| 8179603 | Optical element and optical system having the same An optical element that has a fine textured structure formed on an exit surface thereof. The fine textured structure satisfies the following conditions: λmin/1.71nsub | 05/15/2012 |
| 8169706 | Light-diffusing plate for liquid crystal display device and polycarbonate resin composition for light-diffusing plate for liquid crystal display device Provided are: a light-diffusing plate for a liquid crystal display device which plate can give an assured or improved luminance with assured light-diffusibility, suppress itself from dimensional changes caused by moisture absorption, and also prevent the device from... | 05/01/2012 |
| 8164833 | Optical window member An optical window member includes a transparent synthetic resin plate having a surface with a protruding/recessed pattern of a predetermined fineness that causes light diffusion, and an optical thin film formed on the surface of the transparent synthetic resin plate... | 04/24/2012 |
| 8134780 | Prism and lighting device A prism includes a light incident portion that has first and second convex portions, the first and second convex portions each are a convex portion that refracts rays of light incident to a prism body and reduces a spread angle after incidence to the prism body via ... | 03/13/2012 |
| 8081385 | Antiglare film, method for manufacturing antiglare film, polarizer, and display device An antiglare film includes a base material and an antiglare layer which is disposed on at least one surface of the base material and which contains fine particles and a resin, wherein the fine particles constitute aggregates mainly in in-plane directions, and gradua... | 12/20/2011 |
| 8059339 | Light diffusing sheet with binder of mixed acrylic and styrene-acrylic resins A light diffusing sheet brightens frontal direction illumination and resists curl without requiring a complicated design. This light diffusing sheet includes a support and a light diffusing layer provided on the support. The light diffusing layer is formed fr... | 11/15/2011 |
| 8054551 | Display device and method of fabricating the same The present invention provides a display device and a method of fabricating the same. The display device includes a substrate, a transflective layer including first diffusive layers and second diffusive layers alternately arranged on the substrate, the first diffusi... | 11/08/2011 |
| 8049965 | Display member Provided is a display member containing: an display layer which exhibits a structural color and contains spherical bodies and a matrix; and a reflective interface which reflects a light transmitting through the display layer, wherein the reflective interface is made... | 11/01/2011 |
| 8031403 | System and method for reducing visible speckle in a projection visual display system The invention provides an apparatus for reducing speckle in a projection visual display (PVD) system, a method of reducing visible speckle in a PVD system and a PVD system incorporating the method or apparatus. In one embodiment, the apparatus includes a diffuser in... | 10/04/2011 |
| 7990618 | Light-diffusing film and screen including the same A light-diffusing film and screen including same are provided. The light-diffusing film having anisotropy in the diffusion angle includes a translucent support, and a translucent resin layer having irregularities on the surface thereof and being provided on the tran... | 08/02/2011 |
| 7974011 | Dual prism sheet, backlight assembly having the same and method thereof A dual prism sheet includes a base film, upper prisms formed on an upper surface of the base film and lower prisms formed on a lower surface of the base film. A cross-section of the upper and lower prisms is formed as an isosceles triangular shape having a base and ... | 07/05/2011 |
| 7969655 | Prism sheet An exemplary prism sheet includes a transparent main body. The transparent main body includes a first surface and a second surface. The first surface and the second surface are on opposite sides of the main body. The first surface of transparent main body defines a ... | 06/28/2011 |
| 7940461 | Optical diffusion module An optical diffusion module comprises a first diffusion structure comprising a plurality of convex portions and a plurality of concave portions arranged alternatingly, and a second diffusion structure comprising a plurality of convex portions and a plurality of conc... | 05/10/2011 |
| 7911699 | Optical diffuser with UV blocking coating A diffuser is provided in an illumination system, where the diffuser is capable of blocking significant amounts of ultraviolet (UV) radiation. In certain example embodiments of this invention, the diffuser includes a glass substrate which supports a UV coating(s) th... | 03/22/2011 |
| 7911700 | Light guiding film A light guiding film is provided including a main body, and a light diffusion structure comprising a plurality of micro concave lenses arranged in a first direction and a second direction to form a second dimensional array and the curvature of each concave lens and ... | 03/22/2011 |
| 7903340 | Anti-glare film, method for manufacturing the same, and display device using the same An anti-glare film has a plurality of diffuser elements, and has specified optical properties. The ratio of I(α+1)/I(α) is more than 0.1 to 0.6, where I(α) is an intensity of a light reflected toward an arbitrary angle α of 10° or less from a specular reflectio... | 03/08/2011 |
| 7889427 | Light collimating and diffusing film and system for making the film A light collimating and diffusing film and a method for making the film are provided. The film includes a plastic layer having a first side and a second side opposite the first side and at least a first peripheral edge. The first side has a first textured surface, w... | 02/15/2011 |
| 7855835 | Light diffusive sheet for backlight unit and preparation thereof A light diffusive sheet for a backlight unit, comprising a transparent substrate-photocured resin layer laminate having a plurality of hemispherical-shaped protrusions of varying sizes, has excellent luminance, and a wide screen view angle. ... | 12/21/2010 |
| 7848021 | Optical film, antireflection film, polarizing plate and image display device An optical film is provided and includes: a transparent support; and a light diffusion layer containing light-transmitting particles and a binder. The light diffusion layer has an average thickness of from 7.5 to 30 μm, and the average thickness of the light diffus... | 12/07/2010 |
| 7839570 | Optical layered body, polarizer and image display device It is an object of the present invention to provide an improved optical layered body with reduced scintillation, gloss blackness, color effects and interference fringes, while maintaining antistatic and antiglare performance. The optical layered body comprise... | 11/23/2010 |
| 7777954 | Systems and methods of providing a light guiding layer Various embodiments of the invention include an interferometric optical modulator comprising a substrate layer and a light direction layer. Such an interferometric modulator may be integrated with a diffuser layer in a display device in a way that physically integra... | 08/17/2010 |
| 7751121 | Anti-glare film, method for manufacturing the same, and display device using the same An anti-glare film has a plurality of diffuser elements, and has specified optical properties. The ratio of I(α+1)/I(α) is more than 0.1 to 0.6, where I(α) is an intensity of a light reflected toward an arbitrary angle α of 10° or less from a specular reflectio... | 07/06/2010 |
| 7729054 | Optical diffuser for producing a circular light field The optical diffuser has a transparent base body with a base body surface, which is divided into facets. Each facet has an elevation or a depression correlated or associated with a second curved surface. Respective facets have correspondingly different geometrical s... | 06/01/2010 |
| 7697206 | Prism-integrated light-diffusing plate and method of manufacture The present invention provides a prism-integrated light-diffusing plate, characterized in that a prismatic portion formed of a plurality of prism-shaped protrusions is provided on at least one surface of a light-diffusing sheet which is formed of a transparent resin... | 04/13/2010 |
| 7684118 | Diffusion plate and diffusion plate assembly A diffusion plate assembly includes a diffusion plate made from transparent material. Pluralities of bar-type patterns are disposed on the emission surface of the diffusion plate. The outline of these patterns has a first curve and a second curve. The protruding dir... | 03/23/2010 |
| 7672052 | Optical sheet and method of assembling liquid crystal display module using the same The present invention relates to an optical sheet and a method of assembling a liquid crystal display module that is capable of preventing an inflow of impurities on a backlight unit, thereby minimizing screen staining caused by the impurities. An optical sheet inst... | 03/02/2010 |
| 7663804 | Optical plate and backlight module using the same An exemplary optical plate includes a transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a diffusion layer, and a lamp-receiving portion. The bottom surface is opposite to the light output surface. The diffusion lay... | 02/16/2010 |
| 7660040 | Diffuse reflective article A diffuse reflective article is provided including a diffuse reflector of light positioned within a structure defining an optical cavity. The diffuse reflector is a nonwoven sheet containing a plurality of inter-fiber and intra-fiber pores of optimal light scatterin... | 02/09/2010 |
| 7660039 | Light control devices and methods implemented with kinoform diffusers having controllable diffusion characteristics Kinoform diffusers (82) exhibit controllable diffusion characteristics that include off-axis transmittance and reflectance properties, elimination of zero-order beam, and freedom from spectral dispersion under achromatic illumination. Light control devices ( | 02/09/2010 |
| 7619822 | Systems and methods of providing a light guiding layer Various embodiments of the invention include an interferometric optical modulator comprising a substrate layer and a light direction layer. Such an interferometric modulator may be integrated with a diffuser layer in a display device in a way that physically integra... | 11/17/2009 |
| 7612942 | Optical diffuser having frit based coating with inorganic light diffusing pigments with variable particle size therein A diffuser is provided that includes a glass substrate with a diffusing coating thereon. The diffusing coating may include one or more layers. In certain example embodiments, the diffusing coating comprises inorganic pigments therein for light diffusing purposes, an... | 11/03/2009 |
| 7609448 | Light diffuser plate An object of the present invention is to provide a light diffuser plate (1) which can illuminate the front side more brightly when incorporated in a surface light source (3) constituting a transmissive image display (2). The light diffuse... | 10/27/2009 |
| 7602551 | Light guide plate for liquid crystal display back light units and liquid crystal display back light unit using the same A light guide plate includes a main body having opposing side faces, and front and rear faces connected to the opposing side faces, the front face being adapted to output light incident on at least one of the side faces, a plurality of front prisms disposed at the f... | 10/13/2009 |
| 7589897 | Antiglare film An antiglare film comprises a transparent substrate; and an antiglare layer on the transparent substrate, the layer including a binder matrix, organic particles A and organic particles B having an average particle diameter smaller than an average particle diameter o... | 09/15/2009 |
| 7576914 | Light-diffusing sheet A light-diffusing sheet having a flat entrance surface and an exit surface parallel to the entrance surface, the light-diffusing sheet includes a sheet body, and a plurality of wedge-shaped parts, each being embedded on the side of the exit surface of the sheet body... | 08/18/2009 |
| 7576915 | Display device A display device comprises a light emitting picture element (120) and a contrast enhancing element (110). The contrast enhancing element comprises a plurality of wave guides (216) separated by interstitial regions (212) being formed as na... | 08/18/2009 |
| 7567383 | Anti-glare film, method for manufacturing the same, and display device using the same An anti-glare film has a plurality of diffuser elements, and has specified optical properties. The ratio of I(α+1)/I(α) is more than 0.1 to 0.6, where I(α) is an intensity of a light reflected toward an arbitrary angle α of 10° or less from a specular reflectio... | 07/28/2009 |
| 7554737 | Illumination device and method using adaptable source and output format Systems and methods for providing illumination suitable for imaging devices such as laser projection systems, wherein the illumination pattern is adjustable by modifying one or more characteristics of a controlled angle diffuser. In one embodiment, a highly collimat... | 06/30/2009 |
| 7548371 | Optical film, illuminator and display An optical film is provided for use in a light source or display to provide rapid cut-off of illumination with angle. The film comprises a light-transmissive substrate of a material having a reflective index greater than one and having first and second major surface... | 06/16/2009 |
| 7548372 | Light reflector and planar light source device A light reflector including a laminate film having a light-diffusive layer on one surface of a substrate layer, wherein the surface roughness index of the light-reflective surface is at least 1, the reflectance thereof is at least 95%, and the regular reflectance th... | 06/16/2009 |
