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| Number | Title | Issue Date |
| 7961394 | Polarizing glass, optical isolator, and method for producing polarizing glass A polarizing glass includes shape-anisotropic metal particles oriented and dispersed in a glass substrate, the concentration of the metal particles having a distribution in which in the travel direction of light in which a polarizing function is exhibited, the conce... | 06/14/2011 |
| 7876502 | Optical film, polarizing plate and liquid crystal display An optical film is provided and includes a transparent polymer film. The optical film has at least an A1 value defined by Re (450)/Re (550) of from 0.10 to 0.95 and A2 value defined by Re (650)/Re (550) of from 1.01 to 1.50. Re (λ) represents the retardation value ... | 01/25/2011 |
| 7817340 | Ultra-thin glass polarizers and method of making same An ultra-thin polarizing glass article having two polarizing glass layers separated by a non-polarizing central region. The polarizing glass layers contain stretched or elongated metal particles and the non-polarizing central region contains elongated or stretched m... | 10/19/2010 |
| 7453640 | Liquid crystal display including O-type and E-type polarizer Devices of information displays, in particular liquid crystal displays, which can be utilized in indication devices for various purposes. Liquid crystal displays, according to this disclosure, contain at least one layer of liquid crystal placed between two plates, o... | 11/18/2008 |
| 7391569 | Projection system including intrinsic polarizer A projection system including an intrinsic polarizer is disclosed. The projection system includes a light source producing illumination light, an imager disposed to receive the illumination light, and a projection lens disposed to receive the illumination light from... | 06/24/2008 |
| 7365906 | Projection screen and projection system containing same A projection screen capable of sharply displaying an image even under bright environmental light with high image visibility. A projection screen has a polarized-light selective reflection layer with a cholesteric liquid crystalline structure, capable of selectively ... | 04/29/2008 |
| 7289266 | Polarizer, optical film, and image display A polarizer including a film having a structure having a minute domain dispersed in a matrix formed of a translucent water-soluble resin including an iodine light absorbing material, provides a high polarization degree in short wavelength side. The polarizer has a h... | 10/30/2007 |
| 7265903 | Switchable polymer-dispersed liquid crystal optical elements Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements. Applications for these switchable holograms include communications switches... | 09/04/2007 |
| 7251075 | Polarizers coated with optically functional layers An optical stack includes an intrinsic polarizer, such as a K-type or thin KE polarizer sheet. Optically functional coatings are disposed on one or both of the surfaces of the intrinsic polarizer. The optically functional coatings include a hardcoat, a transflector ... | 07/31/2007 |
| 7230760 | Polarizers and isolators and methods of manufacture A passively aligned optical isolator includes laminated layers of material including two polarizing glass layers sandwiching a Faraday rotator layer. Each polarizing glass layer comprises a glass matrix containing elongated metal particles exhibiting a change in pol... | 06/12/2007 |
| 7221510 | Method of producing polarizing film, polarizing film and image display device using the same A process for producing a polarizing film including a step of stretching a raw film, wherein the ratio (L/W) of stretching distance (L) to width of initial raw film (W) is from 0.5 to 30. ... | 05/22/2007 |
| 7215863 | Light pipe optical coupling utilizing convex-shaped light pipe end A light transmission device is provided including a light pipe having two ends, one end being an ellipsoidal-shaped end. A recess is configured within the ellipsoidal-shaped end for reception of a light source that transmits light into the light pipe. The recess inc... | 05/08/2007 |
| 7206130 | Projection screen and projection system comprising the same A projection screen for displaying an image by reflecting imaging light projected from a projector, including a substrate and a projected-image-receiving layer formed on the substrate. The projected-image-receiving layer has the function of selectively reflecting a ... | 04/17/2007 |
| 7193777 | Projection screen and projection system comprising the same A projection screen including a polarized-light selective reflection layer having a cholesteric liquid crystalline structure that causes selective diffuse-reflection of a specific polarized-light component, and a substrate for supporting the polarized-light selectiv... | 03/20/2007 |
| 7190525 | Diffusion film comprising transparent substrate and diffusion layer A diffusion film includes a transparent substrate and a diffusion layer. The diffusion layer shows a specific scattered light profile measured by a goniophotometer. In the scattered light profile, a ratio of an intensity of scattered light at an angle of 30° to an ... | 03/13/2007 |
| 7163738 | Polyvinyl alcohol films prepared by coating methods A method of film fabrication is taught that uses a coating and drying apparatus to fabricate resin films suitable for optical applications. In particular, polyvinyl alcohol films are prepared by simultaneous application of multiple liquid layers to a moving carrier ... | 01/16/2007 |
| 7161737 | Projection screen and projection system comprising the same A projection screen including a polarized-light selective reflection layer having a cholesteric liquid crystalline structure that causes selective diffuse-reflection of a specific polarize-light component, and a substrate for supporting the polarized-light selective... | 01/09/2007 |
| 7158297 | Projection screen and projection system comprising the same A projection screen includes a polarized-light selective reflection layer having a cholesteric liquid crystalline structure, capable of selectively diffuse-reflecting a specific polarized-light component; a substrate for supporting the polarized-light selective refl... | 01/02/2007 |
| 7158299 | Projection screen and projection system comprising the same A projection screen includes a cholesteric liquid crystalline, polarized-light selective reflection layer for selectively diffuse-reflecting a specific polarized-light component. The layer has, on its observation-side surface, a roughened part for controlling the di... | 01/02/2007 |
| 7154573 | Electro-optical device and electronic apparatus including the same To provide an electro-optical device displaying high-contrast images in all directions due to the orthogonality of the polarization axes of the polarizers by improving the structure of the polarizers, and an electronic apparatus including the same. In an electro-opt... | 12/26/2006 |
| 7142360 | Projection screen and projection system containing same A projection screen capable of sharply displaying an image even under bright environmental light with high image visibility. A projection screen has a polarized-light selective reflection layer with a cholesteric liquid crystalline structure, capable of selectively ... | 11/28/2006 |
| 7136225 | Polarizing plate and method for producing the same An iodine type polarizing plate is provided, the plate having a polyvinyl alcohol resin film in/on which iodine is adsorbed and oriented and a protective film adhered to at least one surface of the resin film with a transparent adhesive layer containing zinc in an a... | 11/14/2006 |
| 7123410 | Projection screen and projection system comprising the same A projection screen includes a polarized-light selective reflection layer having a cholesteric liquid crystalline structure, capable of selectively reflecting a specific polarized-light component; and a substrate that supports the polarized-light selective reflectio... | 10/17/2006 |
| 7123409 | Projection screen and projection system comprising the same The present invention provides a projection screen capable of sharply displaying an image by minimizing the influence of the loss of light that occurs on a polarized-light selective reflection layer and of providing high image visibility. A projection screen include... | 10/17/2006 |
| 7113337 | Multilayer optical coating Anisotropic multilayer thin-film coating that may be used in fabrication of various optical elements, such as polarizers, beam splitters, interference-polarizing light filters, polarizing mirrors, etc. The invention is aimed at creating a multilayer optically anisot... | 09/26/2006 |
| 7110179 | Polarizers and isolators and methods of manufacture Polarizing glass articles, optical isolators including polarizing glass articles, and methods of manufacturing polarizing glass articles and optical isolators are disclosed. The methods manufacture can be used to manufacture isolators exhibiting improved contrast ra... | 09/19/2006 |
| 7110178 | Polarizers coated with optically functional layers An optical stack includes an intrinsic polarizer, such as a K-type or thin KE polarizer sheet. Optically functional coatings are disposed on one or both of the surfaces of the intrinsic polarizer. The optically functional coatings include a hardcoat, a transflector ... | 09/19/2006 |
| 7104090 | Method of making polarizing glasses Polarizing glass articles and methods of manufacturing polarizing glass articles are disclosed. The method involves forming a polarizing layer on the surface of the glass article by ion-exchanging silver or copper into the surface. ... | 09/12/2006 |
| 7087194 | K-type polarizer and preparation thereof A process for preparing a polarizer is described whereby a pre-polarizing article comprising an oriented, vinylalcohol polymer film layer, and an acid donor layer comprising a thermal acid generator, is exposed to radiant energy at a temperature sufficient to effect... | 08/08/2006 |
| 7079205 | Liquid crystal display including a diffusion layer for improving gray level inversion A single-domain TN mode liquid crystal display includes an array substrate, an counter substrate, a liquid crystal layer that is includes liquid crystal molecules, polarizer plates, and a diffusion layer that is disposed between a surface of the counter substrate an... | 07/18/2006 |
| 7041365 | Static dissipative optical construction An optical construction that is static-dissipative and includes a static-dissipative layer buried within optical material. ... | 05/09/2006 |
| 7031053 | Dichroic polarizer and material The invention pertains to thermo-resistant and light-resistant dichroic polarizers based on thin films of dichroic matters, in particular organic dyestuffs, in which molecules are ordered in a crystalline structure and applied on the surface of the substrate. The di... | 04/18/2006 |
| 7019903 | Color dichroic polarizers and method for the production thereof Color dichroic polarizer includes a glass substrate, a surface layer, and non-spherical metal particles arranged in the surface layer and being deposited in an oriented arrangement. Wherein, in at least one lateral region of the glass substrate, the surface layer co... | 03/28/2006 |
| 7008504 | Manufacturing method of polarizing film, polarizing film, optical film, and visual display A polarizing film may be manufactured without using adhesives by a method in which a protective film (B) is laminated onto at least one face of a polarizer (A), then adhered by thermocompression bonding. Thus problems on manufacturing method of a polarizing film pos... | 03/07/2006 |
| 6961178 | Polarizing film, optical film and liquid crystal display using polarizing film A polarizing film comprising a polarizer (A) and a protection film (B) prepared on at least one face of the polarizer (A), wherein the protection film (B) is adhered to the polarizer (A) without using adhesives, is induced problems by use of adhesives. ... | 11/01/2005 |
| 6952310 | Light pipe and polarized-light source A light pipe is obtained by laminating on one or both surfaces of a light-transmitting resin plate a polarized-light scattering plate having fine birefringent domains dispersed therein and hence showing anisotropy in scattering. The polarized-light scattering plate ... | 10/04/2005 |
| 6952245 | Polarizing plate having polarizer sides covered with low moisture permeable layers with permeability different than protective films covering the polarizer surfaces A polarizing plate having excellent moisture durability and a liquid crystal display using the same are disclosed. The polarizing plate is produced by covering all surfaces and sides of a polarizer with low moisture-permeable layers having moisture permeability of 3... | 10/04/2005 |
| 6949207 | K-type polarizer and preparation thereof A process for preparing a polarizer is described whereby a pre-polarizing article comprising an oriented, vinylalcohol polymer film layer, and an acid donor layer comprising a thermal acid generator, is exposed to radiant energy at a temperature sufficient to effect... | 09/27/2005 |
| 6917396 | Light diffusion film, plane light source device and liquid crystal display apparatus for enhancing a constant luminance and diffusing a light A transmissive display apparatus comprises a liquid crystal display unit; and a plane light source unit that comprises a tubular light source, a light guide, and a light-diffusing film having anisotropy that provides a consistent luminance in a display surface, and/... | 07/12/2005 |
| 6912087 | Ultra-thin glass polarizers and method of making same A method for making a polarizing glass article is provided. The method includes first providing a precursor glass containing metal-halide particles. The precursor glass may be encased in a gas-permeable medium. Then, form at least a first polarizing layer and a non-... | 06/28/2005 |
