Polarizer, Windshield, Optical Fiber, Projection Screen, Or Retroreflector Patents (Class 427/163.1)
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Publication number: 20130271705Abstract: The present disclosure provides color filter and a manufacturing method thereof, and a liquid crystal panel with the color filter. The color filter includes a substrate, a black matrix formed on the substrate, a number of spacers integrally formed with the black matrix; and a color filter with a thickness thereof being less than that of the black matrix. Color ink is disposed in the black matrix and is hardened to form the color filter layer. The black matrix and the spacers are integrally formed and made of the black film, which simplifies the manufacturing process of the color filter. Additionally, since the color filter layer is formed by the ink jet printing method, the height of the color filter is unlimited, which allows the black matrix and the spacers to be made of conventional material, and improves the yield rate of the color filter.Type: ApplicationFiled: May 14, 2012Publication date: October 17, 2013Inventor: Hsiao-hsien Chen
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Patent number: 8559106Abstract: A water-resistant polarizing film having an organic colorant having an anionic group, and organic nitrogen compounds. The organic nitrogen compounds include a first organic nitrogen compound having at least two nitrogen atoms in the molecule thereof, and a second organic nitrogen compound having at least two nitrogen atoms in the molecule thereof. The distance (A) between adjacent nitrogen atoms in the first organic nitrogen compound is shorter than the distance (B) between adjacent atoms of the nitrogen atoms in the second organic nitrogen compound.Type: GrantFiled: April 20, 2010Date of Patent: October 15, 2013Assignee: Nitto Denko CorporationInventors: Toru Umemoto, Toshimasa Nishimori, Tadayuki Kameyama
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Patent number: 8549880Abstract: A method for producing a polarizing element includes the steps of: forming a coating film of a metal on a glass substrate; forming an island-shaped film composed of a metal halide on the glass substrate by partially removing the coating film and also halogenating the metal; forming needle-shaped particles of the metal halide by stretching the glass substrate through heating to elongate the island-shaped film; and forming needle-shaped metal particles composed of a metal by reducing the metal halide of the needle-shaped particles.Type: GrantFiled: March 15, 2012Date of Patent: October 8, 2013Assignee: Seiko Epson CorporationInventor: Yoshitomo Kumai
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Patent number: 8551357Abstract: There is provided a method for manufacturing a thin polarizing film having an absorption axis oblique to a width direction of the film which comprises the steps of: performing an orientation treatment in two directions in a plane of a support film; applying a solution containing a lyotropic liquid crystal compound onto a surface of the support film; and causing a column-shaped aggregate of the lyotropic liquid crystal compound to be oriented in a direction (orientation direction) equal to the vector sum of a direction of first orientation treatment and a direction of second orientation treatment.Type: GrantFiled: February 17, 2010Date of Patent: October 8, 2013Assignee: Nitto Denko CorporationInventors: Junzo Miyazaki, Tetsuo Inoue
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Patent number: 8551582Abstract: Novel light polarizing articles comprising a substrate, a light polarizing layer comprising ion-bearing polarizing dye molecules, a coupling layer, and a protective layer, and method of making the same. Due to the presence of the coupling layer bearing counter ions, adhesion of the polarizing layer to the protective layer is improved. The light polarizing article has advantageous chemical, mechanical and thermal resistance. The light polarizing article can be used, for example, as ophthalmic products and in display devices.Type: GrantFiled: February 11, 2008Date of Patent: October 8, 2013Assignee: Corning IncorporatedInventors: Eric Gesell, David Henry
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Patent number: 8541064Abstract: A method for producing a coated optical fiber may include drawing an optical fiber from a draw furnace along a first vertical pathway. The optical fiber may then be routed through at least one fluid bearing thereby redirecting the optical fiber along a second vertical pathway. Thereafter, a thermoplastic coating may be applied to the optical fiber with a thermoplastic coating system. The optical fiber may then be wound onto a fiber storage spool with a fiber take-up system. The fiber take-up system may be space apart from the thermoplastic coating system such that the thermoplastic coating may be cooled before the optical fiber is wound onto the fiber storage spool.Type: GrantFiled: May 20, 2009Date of Patent: September 24, 2013Assignee: Corning IncorporatedInventors: James Henry Faler, Bruce Warren Reding, Bradley Kent Shepard, David Andrew Tucker
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Publication number: 20130242393Abstract: A plastic polarized lens of the present invention, comprising: a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from compound having hydroxyl group and a structural unit derived from aromatic diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a thiourethane-based resin, which is formed over at least the coat layer of the coat layer-attached polarized film.Type: ApplicationFiled: March 5, 2013Publication date: September 19, 2013Applicant: Mitsui Chemicals, Inc.Inventors: Akinori RYU, Hiroyuki KAMIO, Yoshimitsu AIISO
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Publication number: 20130242391Abstract: In a first face and a second face of an irregular configuration portion configuring a wire grid structure, surface roughness of the first face farther from an input side of a light (electromagnetic wave) is made rougher than the surface roughness of the second face closer to the input side of the light (electromagnetic wave). With this configuration, according to this embodiment, since a reflection polarization element can be realized, there can be provided an optical device that is excellent in tolerance to heat and light, and contributes to a reduction in the costs.Type: ApplicationFiled: February 4, 2013Publication date: September 19, 2013Applicant: HITACHI CONSUMER ELECTRONICS CO., LTD.Inventors: Hiroyuki MINEMURA, Yumiko ANZAI
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Publication number: 20130235457Abstract: It is an object of the invention to provide a method for manufacturing a long laminated polarizing plate having a long polarizing coating formed by coating directly on a long retardation film and to provide such a long laminated polarizing plate. The present invention relates to a method for manufacturing a long laminated polarizing plate comprising a long retardation film having a slow axis in its longitudinal direction and a long polarizing coating placed on the retardation film and having an absorption axis or a transmission axis in an in-plane direction at an angle of 25 to 65° to the slow axis direction of the long retardation film.Type: ApplicationFiled: August 17, 2012Publication date: September 12, 2013Applicant: NITTO DENKO CORPORATIONInventors: Shoichi Matsuda, Yoshiaki Asanoi, Tadayuki Kameyama
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Publication number: 20130235299Abstract: A reflective polarizing film includes a transparent substrate, and a reflective layer unidirectionally elongated to be formed on one side of the transparent substrate, wherein the reflective layer is composed of nanowire particles, and 80% or more of the nanowire particles are aligned at an angle of ?10° to 10° with respect to an elongation direction.Type: ApplicationFiled: October 24, 2012Publication date: September 12, 2013Applicant: LG CHEM,LTD.Inventors: Sung-Hyun NAM, Kyun-Il RAH
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Publication number: 20130228549Abstract: A method for producing a polarizing element includes: forming particulate materials of a metal halide on a glass substrate; forming a protective film that covers the particulate materials in a non-plasma environment; stretching the particulate materials by heating and stretching the glass substrate; and forming acicular metal particles by reducing the metal halide constituting the stretched particulate materials.Type: ApplicationFiled: February 22, 2013Publication date: September 5, 2013Applicant: SEIKO EPSON CORPORATIONInventor: Yoshitomo KUMAI
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Publication number: 20130229809Abstract: An optical device includes: a first cladding layer; a core layer disposed on the first cladding layer and, with increase in its sectional area, extending from a first end which receives/outputs light along a direction from the first end toward a second end; a slab layer disposed on the first cladding layer and extending to the second end along the direction from the first end toward the second end; a rib layer disposed on the slab layer and, with decrease in its sectional area, extending to the second end along the direction from the first end toward the second end; and a second cladding layer disposed on the core layer and the rib layer. The core layer and both of the slab and rib layers are optically coupled in a part in which the sectional are of the core and rib layers is the maximum.Type: ApplicationFiled: February 25, 2013Publication date: September 5, 2013Applicants: NEC CORPORATION, FUJITSU LIMITEDInventors: Nobuaki HATORI, Masashige ISHIZAKA, Takanori SHIMIZU
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Patent number: 8518474Abstract: A method for producing a polarizing film comprising the step of dipping a polyvinyl alcohol film in/on which iodine is adsorbed and oriented in an aqueous solution containing boric acid wherein contact between the aqueous solution and oxygen is suppressed. The produced polarizing film has a high contrast.Type: GrantFiled: December 12, 2002Date of Patent: August 27, 2013Assignee: Sumitomo Chemical Company, LimitedInventors: Koji Matsumoto, Narutoshi Hayashi, Nobuyuki Kurata
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Publication number: 20130215501Abstract: [Problem] An object of the present invention is to obtain a near-infrared reflective film that is low-cost, that can be produced with a large area, in which, in the optical properties, interference unevenness is particularly small, and which has excellent film physical properties. [Solving Means] Provided is a near-infrared reflective film composed of a lamination unit including: a high refractive layer containing a first metal oxide particle and a first water-soluble polymer, a low refractive layer containing a second metal oxide particle and a second water-soluble polymer and a mixed layer located between the high refractive layer and the low refractive layer and which contains the first metal oxide particle, the second metal oxide particle and a third water-soluble polymer, wherein the refractive index of the low refractive layer is smaller than the refractive index of the high refractive layer by 0.Type: ApplicationFiled: October 26, 2011Publication date: August 22, 2013Applicant: KONICA MINOLTA , INC.Inventors: Akihito Hisamitsu, Yasuo Taima, Shinichi Suzuki, Noriyuki Kokeguchi
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Publication number: 20130215508Abstract: Provided is a polarizing element in which a desired polarization characteristics are achieved and the transmissivity is also good. The polarizing element comprises: a substrate transparent to light having a bandwidth to be used; and a grid pattern made of a translucent material and configured such that a plurality of projection portions continuous in one in-plane direction of said substrate are formed on a surface of the substrate at a pitch smaller than a wavelength of light having a bandwidth to be used, wherein each of the projection portions includes a base portion with a rectangular cross-section and a tapered surface portion formed at a top of the base portion, a fine particle layer made of an inorganic material is laminated on at least one surface of said tapered surface portion, and the fine particle layer does not protrude over a side face of the base portion.Type: ApplicationFiled: February 14, 2013Publication date: August 22, 2013Applicant: DEXERIALS CORPORATIONInventor: Dexerials Corporation
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Publication number: 20130196077Abstract: An aspect of the present invention relates to a method of manufacturing a polarizing lens, which comprises forming a polarizing layer by orienting and depositing a dichroic dye on a lens substrate; conducting an amino silane treatment by impregnating the polarizing layer with a solution of a silane coupling agent comprising an amino group; coating a waterborne resin composition comprising a polyether polyurethane resin and a water-based solvent on the polarizing layer following the amino silane treatment and then drying the waterborne resin composition to form a primer layer; and forming a cured coating by coating a curable composition on the primer layer that has been formed and then conducting a curing treatment.Type: ApplicationFiled: January 30, 2013Publication date: August 1, 2013Applicant: HOYA CORPORATIONInventor: HOYA CORPORATION
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Patent number: 8493658Abstract: A polarizer in which parallel transmittance TP is increased and crossed transmittance TC is provided. Instead of arranging a plurality of all metal wires on one plane, a plurality of metal wires is separately formed on at least two different parallel planes, and adjacent meal wires among the plurality of metal wires are staggered in the polarizer. The heights of a first group of metal wires formed on a first plane and a second group of metal wires formed on a second plane, from a surface of the light-transmitting substrate are different. Further, a metal wire of the second group is provided to be more distant from the light-transmitting substrate than the first group of metal wires by distance D, and the distance D is smaller than the thickness of the first group of metal wires.Type: GrantFiled: June 23, 2008Date of Patent: July 23, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Jiro Nishida, Daisuke Kubota
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Patent number: 8491823Abstract: To obtain a water-resistant polarizing film free from deterioration in dichroic ratio caused by water-resistant treatment, it is critical that adjacent sulfonic acid groups or sulfonate groups in the organic dyes to be used for the polarizing film are spaced at moderate intervals.Type: GrantFiled: January 23, 2009Date of Patent: July 23, 2013Assignee: Nitto Denko CorporationInventors: Junzo Miyazaki, Shoichi Matsuda, Kyoko Nishiguchi
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Publication number: 20130170041Abstract: A diffractive optical element disclosed in the present application includes a body 102 formed of a first optical material containing a first resin, the body 102 having a surface 102a including a first area 105 at which a diffraction grating 104 is provided and a second area 106 located outer to the first area; an optical adjustment layer 103 formed of a second optical material containing a second resin, the optical adjustment layer 103 being provided on the body while covering the first area and at least a part of the second area 106 of the surface of the body; and an adhesive interface section 109 containing an adhesive material which is adhesive to the second optical material, the adhesive interface section 109 being, at the second area 106 of the surface of the body, at least partially located below the optical adjustment layer 103 and being located at least in a region from the surface to the inside of the body.Type: ApplicationFiled: July 11, 2012Publication date: July 4, 2013Applicant: PANASONIC CORPORATIONInventors: Yuka Okada, Tatsutoshi Suenaga, Akiko Murata
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Publication number: 20130160938Abstract: A pressure-sensitive adhesive optical film of the invention comprises an optical film and a pressure-sensitive adhesive layer provided on the optical film, wherein the pressure-sensitive adhesive layer has a thickness (?m) standard deviation of 0.12 ?m or less. The pressure-sensitive adhesive optical film makes it possible to reduce the problem of visible unevenness caused by a pressure-sensitive adhesive layer.Type: ApplicationFiled: July 28, 2011Publication date: June 27, 2013Applicant: NITTO DENKO CORPORATIONInventors: Atsushi Yasui, Yuusuke Toyama, Takaaki Ishii, Masakuni Fujita, Tomoyuki Kimura, Masayuki Satake, Shusaku Goto, Takeharu Kitagawa, Minoru Miyatake, Tomohiro Mori, Takashi Kamijo
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Patent number: 8465194Abstract: The present invention relates to a backlight module, light guide plate thereof and ink thereof. The ink includes a base resin and an additive. The additive is dispersed in the base resin for increasing the printability of the ink. The additive comprises a polymer having hydroxy functional group, ester functional group, ether functional group or combination thereof. Use of the ink of the present invention will reduce the color difference and the variation of color temperature of the light guide plate. In addition, the ink has higher flowability, which increases the printability of the ink.Type: GrantFiled: November 16, 2010Date of Patent: June 18, 2013Assignee: Chi Lin Optoelectronics Co., Ltd.Inventors: Hsi-Hsin Shih, Hung-Wen Wang, Chin-Ming Wang, Chien-Tsung Wu, Shao-Ming Lee
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Publication number: 20130149546Abstract: A method of manufacturing a polarizing film according to an embodiment of the present invention includes forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate having a crystallinity of 7% or less to produce a laminate and subjecting the laminate to a wet treatment followed by a drying treatment with a heat roll.Type: ApplicationFiled: October 16, 2012Publication date: June 13, 2013Applicant: NITTO DENKO CORPORATIONInventor: NITTO DENKO CORPORATION
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Publication number: 20130141774Abstract: A thermotropic optical shutter device incorporates coatable, thin-film polarizers with a thermotropic depolarizer. The coatable polarizers provide a mechanism for adjusting the polarizer properties (i.e., absorption, reflection, or diffusion) by changing the thickness of the coating. For example, a thicker film may have a higher relative polarizing efficiency while a thinner film may have a lower relative polarizing efficiency. Using the same base materials and manufacturing process, the contrast ratio and other properties of a thermotropic or thermochromic shutter device (e.g., a liquid crystal-based smart window film) may be adjusted in real time on the manufacturing line.Type: ApplicationFiled: August 31, 2012Publication date: June 6, 2013Inventor: Wil McCARTHY
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Publication number: 20130140587Abstract: A polarization structure for a display device is disclosed. In one embodiment, the structure includes a retardation layer, a first polarizing layer, a first uniaxial optical compensation layer, a second polarizing layer and a second uniaxial optical compensation layer. The retardation layer may be configured to create a phase difference between two polarization components of an incident light. The first polarizing layer may be disposed on the retardation layer. The first uniaxial optical compensation layer may be disposed on the first polarizing layer. The second polarizing layer may be disposed on the first uniaxial optical compensation layer. The second uniaxial optical compensation layer may be disposed between the first polarizing layer and the first uniaxial optical compensation layer or between the first polarizing layer and the second polarizing layer.Type: ApplicationFiled: September 13, 2012Publication date: June 6, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-IK Lim, Man-Seob Choi, Yi-Joon Ahn, Gee-Bum Kim, Yong-Seok Yeo
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Publication number: 20130135725Abstract: The present invention provides a method of producing a thin polarizing film having excellent optical characteristics. The method of producing a thin polarizing film of the present invention includes forming a polyvinyl alcohol-based resin layer 12 on a thermoplastic resin substrate 11 to prepare a laminate 10, subjecting the laminate 10 to underwater stretching in an aqueous solution of boric acid and stretching the laminate 10 while drying the laminate 10 after the underwater stretching.Type: ApplicationFiled: September 8, 2011Publication date: May 30, 2013Applicant: NITTO DENKO CORPORATIONInventors: Tomohiro Mori, Minoru Miyatake, Takashi Kamijo, Shusaku Goto, Takeharu Kitagawa
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Patent number: 8449939Abstract: New compositions for forming films for use in optical devices are provided. The compositions comprise a cellulose and a crosslinking agent dissolved or dispersed in a solvent system. Preferred celluloses are cellulose esters such as cellulose acetates, cellulose triacetates, cellulose acetate phthalates, and cellulose acetate butyrates. Preferred crosslinking agents are triazines such as those derived from melamine and benzoguanamine. The inventive compositions can be used to form, for example, protective and/or compensation films for use in polarizing plates.Type: GrantFiled: April 11, 2012Date of Patent: May 28, 2013Assignee: Eastman Chemical CompanyInventors: Kevin Wayne McCreight, Douglas Claire Hoffman, Wesley Raymond Hale
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Publication number: 20130126468Abstract: Disclosed is a method for manufacturing a nano wire grid polarizer, including: applying a curable resin on a glass substrate, and then forming a nano pattern by pressurizing the curable resin with a nano imprint mold; processing a surface of the nano pattern in which an upper part of the nano pattern is hydrophobicized and an inside of the nano pattern is hydrophilicized; filling the inside of the nano pattern with nano metal particles; and forming a nano wire grid polarizer by removing the nano pattern.Type: ApplicationFiled: October 23, 2012Publication date: May 23, 2013Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: ELECTRONICS AND TELECOMMUNICATIONS
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Publication number: 20130128358Abstract: A polarizing plate with high reliability even under a high-temperature or high-humidity environment is provided. A substrate has a non-formation region on a circumferential edge part, the non-formation region where a grid is not formed.Type: ApplicationFiled: May 31, 2011Publication date: May 23, 2013Applicant: DEXERIALS CORPORATIONInventor: Naoki Hanashima
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Publication number: 20130128357Abstract: The present invention provides a thin polarizing film which has only a small environmental load and has excellent optical characteristics. The thin polarizing film is produced by forming a polyvinyl alcohol-based resin layer on a thermoplastic resin substrate. The thin polarizing film has a thickness of 10 ?m or less, a single axis transmittance of 42.0% or more, a polarization degree of 99.95% or more, and an iodine content of 17.6 grams per 400×700 square millimeters or less, which is measured by an ion chromatography method.Type: ApplicationFiled: September 2, 2011Publication date: May 23, 2013Applicant: NITTO DENKO CORPORATIONInventors: Akinori Izaki, Takeharu Kitagawa, Shusaku Goto, Takashi Kamijo, Tomohiro Mori, Minoru Miyatake
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Patent number: 8445058Abstract: Provided is a process for easily producing a wire grid polarizer showing a high polarization separation ability in the visible light region and having an improved transmittance in a short wavelength region.Type: GrantFiled: October 7, 2010Date of Patent: May 21, 2013Assignee: Asahi Glass Company, LimitedInventors: Yuriko Kaida, Hiroshi Sakamoto, Takahira Miyagi, Hiromi Sakurai, Yasuhiro Ikeda, Eiji Shidoji, Masako Kawamoto
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Publication number: 20130120846Abstract: The present disclosure relates to optical stacks having nanostructure-based transparent conductive films and low diffuse reflection. Also described are display devices that incorporate the optical stacks.Type: ApplicationFiled: November 2, 2012Publication date: May 16, 2013Applicant: CAMBRIOS TECHNOLOGIES CORPORATIONInventor: Cambrios Technologies Corporation
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Publication number: 20130114137Abstract: A polarizer includes boric acid, potassium iodide, and a zinc salt.Type: ApplicationFiled: November 1, 2012Publication date: May 9, 2013Inventors: Chang Seok BAE, Jin Sook KIM, Eun Mi KIM, Pil Joo KIM, Eun Su PARK, Jae Bin SONG
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Publication number: 20130107195Abstract: A light absorption anisotropic film, wherein content of a liquid crystalline non-colorable low molecular weight compound is 30% by mass or less; and which is obtained by fixing the alignment of a dichroic dye composition comprising at least one type of azo-based dichroic dye having nematic liquid crystallinity; and shows a diffraction peak derived from a periodic structure in a direction parallel to the alignment axis on measurement of X-ray diffraction. The light absorption anisotropic film is high in dichroism.Type: ApplicationFiled: March 28, 2011Publication date: May 2, 2013Applicant: Fujifilm CorporationInventors: Shinichi Morishima, Nobutaka Iwahashi
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Patent number: 8420161Abstract: A method for producing an anti-glare film includes applying a coating composition including at least a resin, a solvent, and fine particles to a substrate; drying the coating composition applied to the substrate so that a Benard cell structure is formed in the surface of the coating layer due to convection caused during volatilization of the solvent; and curing the resin contained in the coating composition having formed therein a Benard cell structure to form an anti-glare layer having fine irregularities with a moderate surface waviness. The anti-glare layer has a degree of white muddiness of 1.7 or less, as measured by quantitatively determining a diffuse reflection component of the diffused light incident upon the surface of the anti-glare layer.Type: GrantFiled: July 23, 2010Date of Patent: April 16, 2013Assignee: Sony CorporationInventors: Hitoshi Watanabe, Yumi Haga, Tsutomu Nagahama, Shinichi Matsumura
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Publication number: 20130088663Abstract: A method of manufacturing a polarizing plate includes disposing a non-conductive material on a base substrate, pressing the non-conductive material using a mold and forming a resist pattern, the resist pattern including a plurality of protruding portions, and forming a metal layer on the protruding portions of the resist pattern. Accordingly, a luminance of a display apparatus can be improved and a manufacturing process can be simplified.Type: ApplicationFiled: July 19, 2012Publication date: April 11, 2013Inventors: Dae-Hwan Jang, Atsushi Takakuwa
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Patent number: 8414802Abstract: An aspect of the present invention relates to a method of manufacturing a polarizing eyeglass lens comprising forming an orientation layer on a substrate, sliding a rubbing member across the orientation layer in a state of contact with the orientation layer to form curved rubbing traces on a surface of the orientation layer, forming a polarizing layer by depositing and orienting a dichroic dye on the orientation layer, and subjecting the polarizing layer to a treatment of immobilizing the dichroic dye in the polarizing layer.Type: GrantFiled: August 4, 2010Date of Patent: April 9, 2013Assignee: Hoya CorporationInventors: Yoshifumi Watanabe, Eiichi Yajima
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Publication number: 20130070344Abstract: In fabrication of a light guiding unit, a half mirror layer as a reflection film for folding light is covered by a light transmission main body part as a coating member, i.e., a light transmission member, and a hard coating layer is deposited thereon. Therefore, even when the surfaces of a light guide main body part and the light transmission main body part forming the light guiding unit are cleansed as pre-processing of the deposition of the hard coating layer, the situations such that the half mirror layer is separated thereby may be avoided and optical properties of the half mirror layer may not be lost.Type: ApplicationFiled: August 27, 2012Publication date: March 21, 2013Applicant: SEIKO EPSON CORPORATIONInventors: Takashi TAKEDA, Takahiro TOTANI, Masayuki TAKAGI, Akira KOMATSU, Toshiaki MIYAO
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Patent number: 8399090Abstract: This invention provides a pressure-sensitive adhesive composition that exhibits excellent pressure-sensitive adhesive properties after crosslinking treatment, does not cause lifting or lifting upon heat treatment or treatment under high-humidity conditions particularly even in the case of a pressure-sensitive adhesive layer having a reduced layer thickness, and has excellent durability. A pressure-sensitive adhesive layer formed using the pressure-sensitive adhesive composition, and a process for producing the same are also provided. Further, an optical member with pressure-sensitive adhesive comprising the pressure-sensitive adhesive layer and an image display using the same are provided. The pressure-sensitive adhesive composition is characterized by comprising 100 parts by weight of an (meth)acrylic polymer and 0.02 to 2 parts by weight of a peroxide, and 0.Type: GrantFiled: October 17, 2006Date of Patent: March 19, 2013Assignee: Nitto Denko CorporationInventors: Kohei Yano, Shinichi Inoue, Masayuki Satake, Yutaka Moroishi, Fumiko Nakano
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Patent number: 8398901Abstract: A new method to produce solid nanocrystalline cellulose (NCC) films containing patterns by differential heating of aqueous suspensions of NCC has been discovered. When acid-form NCC suspensions are dried by heating to temperatures above 50° C., darkening of the NCC can occur, while neutral forms of NCC can produce iridescent chiral nematic films by heating to temperatures up to 105° C. Placing materials of different thermal conductivity beneath the container containing an evaporating NCC suspension results in watermark-like patterns of different iridescent color imprinted within the film structure. Other colloidal rod-like particles can be employed in place of nanocrystalline cellulose (NCC), for example chitin or chitosan.Type: GrantFiled: December 4, 2009Date of Patent: March 19, 2013Assignee: FPinnovationsInventors: Stephanie Beck, Jean Bouchard, Richard Berry
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Publication number: 20130063685Abstract: The present invention provides a 3D display panel and a method for manufacturing the same. The method comprises the following steps: forming a liquid crystal layer between a first substrate and a second substrate; arranging a first polarizer at an outer side of the first substrate; arranging a second polarizer at an outer side of the second substrate; arranging a quarter wave layer, a half wave layer, an alignment layer and a cover substrate at an outer side of the first polarizer in sequence. The 3D display panel of the present invention is capable of displaying 3D images.Type: ApplicationFiled: September 21, 2011Publication date: March 14, 2013Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chia-Chiang Hsiao, Chih-Wen Chen, Chengming He
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Publication number: 20130044286Abstract: An optical film, a circular polarizing plate, and a display device are provided. The optical film may exhibit a desired phase retardation property in a wide wavelength range even when it is relatively thin. The optical film may exhibit the 1/4 wavelength phase retardation property. The optical film may be manufactured by a simple process. The optical film may be used in LCDs such as a reflective LCD, or OLEDs.Type: ApplicationFiled: August 13, 2012Publication date: February 21, 2013Inventors: Hyuk YOON, Byoung Kun JEON, Moon Soo PARK
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Publication number: 20130043956Abstract: System and methods for a nanofabricated optical circular polarizer are provided. In one embodiment, a nanofabricated circular polarizer comprises a quarter wave plate; and a linear polarizer formed on a surface of the quarter wave plate.Type: ApplicationFiled: August 15, 2011Publication date: February 21, 2013Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Mary K. Salit, Robert Compton, Jeff A. Ridley
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Publication number: 20130040052Abstract: A process for producing a wire-grid polarizer; the wire-grid polarizer comprising: a light-transmitting substrate 14 having a surface on which a plurality of ridges 12 are formed in parallel with one another at a predetermined pitch; and a first cover layer 20 comprising a metal layer 22 and a metal oxide layer 21 and covering a first side surface 16 of each ridge 12, the maximum covering thickness of the cover layer 20 in a lower region of the ridge 12 being smaller than the maximum covering thickness of the cover layer 20 in an upper region of the ridge 12; the process comprising: forming the metal layer 22 by vapor-depositing aluminum so that no oxide is formed in the metal layer; and forming the metal oxide layer 21 by vapor-depositing aluminum under the presence of oxygen so that oxygen defects are formed in the metal oxide layer 21.Type: ApplicationFiled: October 16, 2012Publication date: February 14, 2013Applicant: Asahi Glass Company, LimitedInventor: Asahi Glass Company, Limited
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Publication number: 20130017325Abstract: A method for manufacturing a polarizing lens that can form a uniform polarizing element on a curved surface of a lens base is provided. The polarizing lens is manufactured by the steps of: forming parallel grooves on a convex surface of a lens base by pressing the convex surface of the lens base onto a rotating surface of an elastic body and rotating the elastic body, the rotating surface having a length in a rotary shaft direction larger than a diameter of the lens base and holding abrasive grains; applying a polarizing dye on the convex surface of the lens base on which the parallel grooves have been formed; and fixing the polarizing dye to form a polarizing element on the convex surface of the lens base.Type: ApplicationFiled: July 29, 2010Publication date: January 17, 2013Applicant: HOYA CORPORATIONInventors: Yoshifumi Watanabe, Hiroshi Kuwamura, Toshihiro Shiraishi
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Publication number: 20120321867Abstract: A low-emissivity multilayer coating includes, in order outward from the substrate, a first layer including a layer containing titanium oxide, a layer containing silicon nitride, or a sublayer layer containing titanium oxide in combination with a sublayer containing silicon 5 nitride, a second layer including Ag, a third layer including at least one layer selected from titanium oxide layers and silicon nitride layers, a fourth layer including Ag, and a fifth layer including silicon nitride, where the color of the coatings can be varied over a wide range by controlling the thicknesses of the layers of titanium oxide, silicon nitride and Ag.Type: ApplicationFiled: January 13, 2012Publication date: December 20, 2012Applicant: AGC Flat Glass North America, Inc.Inventors: Darin GLENN, Herb JOHNSON, Rand DANNENBERG, Peter A. SIECK, Joe COUNTRYWOOD
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Publication number: 20120308798Abstract: The present invention relates to a polarizing plate, a method for producing the same, and an image display device comprising the same, and more specifically to a polarizing plate which is characterized by comprising: a) a polarizer, b) a hardening resin layer which is provided on at least one side of the polarizer and formed from a photocurable composition comprising: 4 to 95 parts by weight of (A) a photocurable acrylic polymer, 4 to 95 parts by weight of (B) a poly-functional acrylic monomer, and 1 to 20 parts by weight of (C) a photo-polymerization initiator, based on 100 parts by weight of the photocurable composition, a method for manufacturing the same, and an image display device using the same. According to the present invention, a polarizing plate, which exhibits excellent polarizing properties and durability, has high surface hardness, and may be formed as a thin plate, may be provided.Type: ApplicationFiled: December 15, 2010Publication date: December 6, 2012Inventors: Jin-Young Ryu, Young-Jun Hong, Soon-Yeol Lee, Woo-Sung Kim, Han-Na Lee
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Publication number: 20120307168Abstract: Embodiments of the disclosed technology provide a three dimensional (3D) display panel and a method of manufacturing a phase difference plate. The 3D display panel comprises: a display panel which comprises a first substrate and a second substrate facing each other, the first substrate comprising a first polarizer, the second substrate comprising a second polarizer; and a phase difference plate which is directly disposed on a surface of the first substrate on an opposite side of the second substrate.Type: ApplicationFiled: May 30, 2012Publication date: December 6, 2012Applicant: BOE Technology Group Co., Ltd.Inventors: Youmei DONG, Yanbing WU
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Publication number: 20120293474Abstract: Systems and methods for facilitating lift-off processes are provided. In one embodiment, a method for pattering a thin film on a substrate comprises: depositing a first sacrificial layer of photoresist material onto a substrate such that one or more regions of the substrate are exposed through the first sacrificial layer; depositing a protective layer over at least part of the first sacrificial layer; partially removing the first sacrificial layer to form at least one gap between the protective layer and the substrate; depositing an optical coating over the protective layer and the one or more regions of the substrate exposed through the first sacrificial layer, wherein the optical coating deposited over the protective layer is separated by the at least one gap from the optical coating deposited over the regions of the substrate exposed through the first sacrificial layer; and removing the first sacrificial layer.Type: ApplicationFiled: September 15, 2011Publication date: November 22, 2012Applicant: INTERSIL AMERICAS INC.Inventors: I-Shan Sun, Francois Hebert, Rick Carlton Jerome
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Patent number: 8304017Abstract: A method of producing a patterned birefringent product, having at least steps (I) to (III) in this order: (I) providing a birefringent pattern builder having an optically anisotropic layer containing a polymer having unreacted reactive groups; (II) heating a region of the birefringent pattern builder; and (III) subjecting the birefringent pattern builder to a process that reacts at least a part of the unreacted reactive groups in the optically anisotropic layer.Type: GrantFiled: March 16, 2009Date of Patent: November 6, 2012Assignee: FUJIFILM CorporationInventors: Hideki Kaneiwa, Ichiro Amimori
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Patent number: 8282998Abstract: The present invention relates to a method of realizing an optical function on a component of a motor vehicle indicating or lighting device. This method is more particularly suited to producing a mask for a headlamp or light and/or to treating reflective surfaces. The method comprises a step of forming said component in a predetermined material and a step of exposing at least one surface of said component to laser radiation.Type: GrantFiled: December 4, 2003Date of Patent: October 9, 2012Assignee: Valeo VisionInventors: Ghislain Lefevre, Thomas Giroud