Producing Polarized Light Patents (Class 252/585)
  • Patent number: 10688701
    Abstract: A transfer sheet includes a cured liquid crystal composition layer, a block layer including a (meth)acrylic polymer, and a thermoplastic welded layer in this order, the thermoplastic welded layer and the block layer are in direct contact with each other, and the thermoplastic welded layer includes a thermoplastic resin and an ultraviolet curable resin.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: June 23, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Yuki Saiki, Akihiro Anzai, Shunya Katoh, Hiroshi Inada, Kazuhiro Oki
  • Patent number: 10659873
    Abstract: In one embodiment, an article of manufacture has microphones mounted at different locations on a non-spheroidal device body and a signal-processing system that processes the microphone signals to generate a B Format audio output having a zeroth-order beampattern signal and three first-order beampattern signals in three orthogonal directions. The signal-processing system generates at least one of the first-order beampattern signals based on effects of the device body on an incoming acoustic signal. The microphone signals used to generate each first-order beampattern signal have an inter-microphone effective distance that is less than a wavelength at a specified high-frequency value (e.g., <4 cm for 8 kHz). In preferred embodiments, the inter-microphone effective distance is less than one-half of that wavelength (e.g., <2 cm for 8 kHz).
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: May 19, 2020
    Assignee: MH Acoustics, LLC
    Inventors: Gary W. Elko, Tomas F. Gaensler, Jens M. Meyer, Eric J. Diethorn
  • Patent number: 10534199
    Abstract: According to the present invention, a functional sheet, comprising a polarizing or photochromic functional layer and protective layers provided on both surfaces of the functional layer can be provided. The protective layers include an aromatic polycarbonate resin sheet or film. At least one of the protective layers is a co-extruded sheet or film including an aromatic polycarbonate resin layer and an acrylic-based resin layer provided on one surface or both surfaces of the aromatic polycarbonate resin layer. At least one surface of the functional sheet is of the acrylic-based resin layer. Also according to the present invention, a lens using such a functional sheet can be provided.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: January 14, 2020
    Assignees: MITSUBISHI GAS CHEMICAL COMPANY, INC., MGC FILSHEET CO., LTD.
    Inventors: Akio Ohkubo, Hideaki Kimura, Masukazu Hirata, Masaki Yagoura
  • Patent number: 10520766
    Abstract: A display panel and a manufacturing method therefor are disclosed. The display panel includes a first substrate, a second substrate disposed opposite to the first substrate, and at least one of a first organic film layer disposed on the first substrate, and a second organic film layer disposed on the second substrate, where at least one of the first organic film layer or the second organic film layer is an polyimide doped with a dichromatic organic dye.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: December 31, 2019
    Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANA MICRO-ELECTRONICS CO., LTD.
    Inventors: Long Zhang, Poping Shen, Lei Han, Qiong Song
  • Patent number: 10487419
    Abstract: A preparation method and application of a Na3Ba2(B3O6)2F birefringent crystal, the crystal having a chemical formula of Na3Ba2(B3O6)2F, and belonging to a hexagonal crystal system, the space group being P63/m, and the lattice parameters comprising a=7.3490(6) ?, c=12.6340(2) ?, V=590.93(12) ?3, Z=2; the crystal is used for an infrared/deep ultraviolet waveband, and is an uniaxial negative crystal, ne<no, the transmission range being 175-3,350 nm, the birefringence of 0.090 (3,350 nm)-0.240 (175 nm), and the crystal being grown by employing a melting method or a flux method; the crystal prepared via the method has a short growth cycle, high crystal quality and large crystal size, is easy to grow, cut, polish and store, is stable in the air, and difficult to deliquesce, and can be used for preparation of various polarization beam polarization beam splitter prism and infrared/deep ultraviolet waveband optical communication elements.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: November 26, 2019
    Assignee: XINJIANG TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY, CHINESE ACADEMY OF SCIENCE
    Inventors: Shilie Pan, Hui Zhang, Min Zhang
  • Patent number: 10477304
    Abstract: In one embodiment, an article of manufacture has microphones mounted at different locations on a non-spheroidal device body and a signal-processing system that processes the microphone signals to generate a B Format audio output having a zeroth-order beampattern signal and three first-order beampattern signals in three orthogonal directions. The signal-processing system generates at least one of the first-order beampattern signals based on effects of the device body on an incoming acoustic signal. The microphone signals used to generate each first-order beampattern signal have an inter-microphone effective distance that is less than a wavelength at a specified high-frequency value (e.g., <4 cm for 8 kHz). In preferred embodiments, the inter-microphone effective distance is less than one-half of that wavelength (e.g., <2 cm for 8 kHz).
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: November 12, 2019
    Assignee: MH Acoustics, LLC
    Inventors: Gary W. Elko, Tomas F. Gaensler, Jens M. Meyer, Eric J. Diethorn
  • Patent number: 10302993
    Abstract: An example display panel, comprises: a display plate having a plurality of display elements; an adhesive layer laminated on the display plate; a polarizing plate laminated on the display plate through the adhesive layer; and a hydrophilic material layer laminated between the display plate and the adhesive layer.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: May 28, 2019
    Assignee: Sakai Display Products Corporation
    Inventor: Nobuhiro Yonezawa
  • Patent number: 10175525
    Abstract: A polarizing waveguide plate includes a pair of spaced transparent plates that define a gap therebetween. Disposed within the gap is a composite material formed of a mixture of polymer mater and liquid crystal material. Positioned proximate to one edge of the gap is an edge light, while a reflector/converter is positioned proximate to another edge of the gap. During operation, unpolarized light is emitted from the edge light and is received within the gap. As such, a portion of the light polarized in a first direction is permitted to exit the waveguide, while the remaining portion of the light that is polarized in a second direction, orthogonal to the first direction, is converted by the converter/reflector so that its polarization is also in the first direction. As such, substantially all of the unpolarized light from the edge light is emitted by the polarizing waveguide plate as polarized light.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: January 8, 2019
    Assignee: The University of Akron
    Inventors: Deng-Ke Yang, Alireza Moheghi, Hossein Nemati
  • Patent number: 10113108
    Abstract: Materials and methods for preparing a modified poly(hexahydrotriazines) (PHTs) polymers and modified polyhemiaminals (PHAs) are provided. A monomer precursor, a photochromic precursor, and a formaldehyde material may be combined to form a photochromic polymer. The photochromic polymer may comprise hexahydrotriazine, hemiaminal, polyhexahydrotriazine, polyhemiaminal, or a combination thereof.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: October 30, 2018
    Assignee: International Business Machines Corporation
    Inventors: Dylan J. Boday, Jeannette M. Garcia, James L. Hedrick, Brandon M. Kobilka, Jason T. Wertz, Rudy J. Wojtecki
  • Patent number: 9958580
    Abstract: Provided is an anisotropic optical film which is capable of diffusing and condensing light in a wide incident angle range even when this film merely has a single anisotropic diffusion layer, which gives no unnatural impression, and which does not easily generate any light interference (rainbow). An anisotropic optical film having a diffusing property which varies in accordance with the incident angle of light radiated thereinto. The film has rectangularly columnar region, and a matrix region. At an incident angle of the light at which a maximum linear transmittance is exhibited, the maximum linear transmittance is 30% or more and less than 95%; and at an incident angle of the light at which a minimum linear transmittance is exhibited, the minimum linear transmittance is 20% or less.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: May 1, 2018
    Assignee: Tomoegawa Co., Ltd.
    Inventor: Masahide Sugiyama
  • Patent number: 9946115
    Abstract: A liquid crystal display panel and a method for manufacturing the same, and a display device are provided. The liquid crystal display panel includes: an array substrate, a color film substrate, a liquid crystal layer, a first alignment layer and a second alignment layer. The first alignment layer includes a first alignment region corresponding to an opening region and a second alignment region corresponding to a light shielding region. An alignment direction of the first alignment region is different from an alignment direction of the second alignment region, and an alignment direction of a region in the second alignment layer is parallel to an alignment direction of a region in the first alignment layer corresponding to the region in the second alignment layer. According to the present disclosure, a color mixing and color cast phenomenon in the liquid crystal display panel is alleviated.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: April 17, 2018
    Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jing Li, Ting Zhou, Poping Shen
  • Patent number: 9904052
    Abstract: The present invention provides a projection apparatus capable of clearly displaying a projected image, and allowing the sight behind the projected image to be viewed to a sufficient degree. A projection apparatus (1) of the present invention includes a light irradiation device (3) configured to emit an output light (2) having one polarized light component, and a polarizing plate (4) including a polarizer (41) irradiated with the output light (2), wherein in the polarizing plate (4), an absorption axis is arranged to absorb and reflect the output light (2) by the polarizing plate, reflectance of the polarizing plate (4) for the output light (2) is 10% or more, and single transmittance of the polarizing plate (4) is in the range of 30% to 90%.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: February 27, 2018
    Assignee: NITTO DENKO CORPORATION
    Inventors: Shoichi Matsuda, Yoshiaki Asanoi
  • Patent number: 9873116
    Abstract: An ion exchange membrane of the present invention contains a resin having an amino group and a constitutional unit represented by Formula 1, in which the number of amino groups per dry mass is 0.15 to 2.4 mmol/g. In Formula 1, L1 represents an alkylene group or an alkenylene group, Ra, Rb, Rc, and Rd each independently represent an alkyl group or an aryl group, Ra and Rb and/or Rc and Rd may form a ring by being bonded to each other, n1 and n2 each independently represent an integer of 1 to 10, and X1? and X2? each independently represent an organic or inorganic anion.
    Type: Grant
    Filed: January 24, 2017
    Date of Patent: January 23, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Kuniyuki Kaminaga, Kazuomi Inoue
  • Patent number: 9625629
    Abstract: A process for producing an optically anisotropic film having a high ?n and superior optical performance is provided. The process includes the following steps (A) and (B) carried out in order: (A) a step of applying a composition for forming an optically anisotropic film to a substrate, the composition containing a photopolymerization initiator, a solvent and a polymerizable liquid crystal compound having a maximum absorption wavelength in a range of 250 nm to 370 nm, and (B) a step of applying light with wavelengths in the range of 200 nm to 500 nm that has an allowable variation range of less than 250 nm in wavelength.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: April 18, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Tadahiro Kobayashi
  • Patent number: 9377575
    Abstract: The present invention provides a light guide plate for emitting light radiated from a light source disposed at a side of the light guide plate. The light guide layer has a light incidence side for internally introducing light emitted from the light source at the side thereof; a polarization separation layer comprising a first matrix layer and a first fiber having birefringence and disposed more toward the light emission side than the light guide layer; a low refractive index layer having a lower refractive index than the refractive index of the first matrix layer; and an angle improvement layer comprising a second matrix layer having a second fiber disposed inside the second matrix layer.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: June 28, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hideki Imamura, Atsuki Ueda, Reina Iwasaki, Yoshihiro Yokote
  • Patent number: 9377630
    Abstract: An embodiment of the invention provides a 3D display device and a manufacturing method thereof. The 3D display device includes a display unit; and a birefringent grating stacked at a light emitting side of the display unit, wherein the birefringent grating including a concave lens film, and liquid crystal polymer covering the concave lens film, a long or short axis of the liquid crystal polymer being parallel to a ridge direction of the concave lens film, and a polarization direction of emitting light of the display unit is parallel to the ridge direction of the concave lens film of the birefringent grating.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: June 28, 2016
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yanbing Wu, Jinye Zhu, Xiaohu Guo, Weitao Chen
  • Patent number: 9244194
    Abstract: The present invention relates to an azo compound represented by the following formula (1) [wherein, A represents a naphthyl group having a substituent, R1 to R6 each independently represent a hydrogen atom, an alkyl group having a carbon atom number of 1 to 5, an alkoxy group having a carbon atom number of 1 to 5, a sulfo group, or an alkoxy group having a sulfo group and a carbon atom number of 1 to 5, and X represents a benzoylamino group having a substituent, a phenylamine group having a substituent, a phenylazo group having a substituent, or a naphthotriazole group having a substituent] and a salt thereof. A neutral color polarizing plate and a color polarizing plate for a liquid crystal projector being excellent in polarization performance and durability and having less color leakage in a visible light region can be provided.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: January 26, 2016
    Assignees: Nippon Kayaku Kabushiki Kaisha, Polatechno Co., Ltd.
    Inventors: Takahiro Higeta, Takuto Nishiguchi
  • Patent number: 9244198
    Abstract: The present invention relates to an azo compound represented by the following formula (1), [wherein, A represents a phenyl group which may have a substituent, R1 to R6 each independently represent a hydrogen atom, an alkyl group having a carbon atom number of 1 to 5, an alkoxy group having a carbon atom number of 1 to 5, a sulfo group, or an alkoxy group having a sulfo group and a carbon atom number of 1 to 5, and X represents an amino group which may have a substituent, a benzoylamino group which may have a substituent, a phenylamino group which may have a substituent, a phenylazo group which may have a substituent, or a naphthotriazole group which may have a substituent] or/and a salt thereof and to a polarizing film and a polarizing plate which contain it.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: January 26, 2016
    Assignees: Nippon Kayaku Kabushiki Kaisha, Polatechno Co., Ltd.
    Inventors: Takahiro Higeta, Takuto Nishiguchi
  • Patent number: 9034219
    Abstract: Described herein are compounds generally comprising an indeno[2?,3?:3,4]naptho[1,2-b]pyran structure. Such compounds may be useful for their photochromic properties, and be used in certain photochromic compositions. Such compositions may further comprise other photochromic compositions and/or materials. Additionally, such compounds and/or compositions may be suitable for preparing certain photochromic articles. Also described herein are methods for preparing certain photochromic compounds, compositions, and articles.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: May 19, 2015
    Assignee: Transitions Optical, Inc.
    Inventors: Meng He, Darrin R. Dabideen, Xiao-Man Dai, Wenjing Xiao, Ruisong Xu, Sujit Mondal, Anil Kumar, Anu Chopra
  • Publication number: 20150093521
    Abstract: A composition for a polarization film including a polyolefin component including polypropylene and a polyethylene-polypropylene copolymer; and a dichroic dye.
    Type: Application
    Filed: December 8, 2014
    Publication date: April 2, 2015
    Inventors: Won Suk CHANG, Myung Sup JUNG, Myung Man KIM, Jong Hoon WON, Won Cheol JUNG
  • Publication number: 20150085217
    Abstract: The purpose of the present invention is to provide a retardation film which includes cellulose acetate having a low degree of acyl substitution and, despite this, swells very little when immersed in a saponifying solution and which has satisfactory adhesion to polarizing elements. This retardation film comprises: a cellulose ester which has a total degree of substitution with acyl groups of 2.0-2.55 and in which when log [Mw(a)] obtained through analyses by gel permeation chromatography (GPC), low angle laser light scattering (LALLS), and viscosity measurement, is plotted as abscissa and log [Iv(a)], obtained through the analyses is plotted as ordinate, the plot has a slope of 0.65-0.85; and a glass-transition-temperature lowering agent having an SP value of 9.0-11.0. The retardation film contains a solvent remaining therein in an amount of 700-3,000 mass ppm and has a change in weight through storage at 80° C. and 90% RH of ?0.5 to 0.5%.
    Type: Application
    Filed: May 1, 2012
    Publication date: March 26, 2015
    Inventors: Takashi Nanjo, Masumi Nishimura, Kazuki Akasaka, Takahiro Takagi, Takashi Murakami
  • Publication number: 20150048285
    Abstract: Nonlinear optic chromophores comprising stabilized radical structures, mixtures thereof, methods for their production, nonlinear optical materials containing such chromophores, and the use of such materials in electro-optic, solar conversion, photovoltaic and all-optical nonlinear devices are described.
    Type: Application
    Filed: May 21, 2014
    Publication date: February 19, 2015
    Applicant: Lightwave Logic, Inc.
    Inventors: Frederick J. GOETZ, JR., Andrew Ashton, JR., Frederick J. Goetz, SR., David F. Eaton, Anthony J. Arduengo, Howard E. Simmons, III, Jason W. Runyon
  • Publication number: 20150041734
    Abstract: The present invention provides a polarizing film having a high dichroic ratio. The polarizing film includes a disazo compound represented by the following general formula (1). In the general formula (1), Q represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted phenyl group having a heterocyclic ring; non-adjacent carbon atoms of the phenyl group may be substituted with nitrogen atoms; R1 represents an alkyl group; R2 represents a hydrogen, an acetyl group, or a substituted or unsubstituted benzoyl group; n represents 1 or 2; and M represents a counter ion.
    Type: Application
    Filed: March 22, 2013
    Publication date: February 12, 2015
    Applicant: NITTO DENKO CORPORATION
    Inventors: Sadahiro Nakanishi, Miyuki Kurogi
  • Patent number: 8951643
    Abstract: The present invention relates to an optical film and method of manufacturing the same. The optical film of the present invention includes an acrylic resin and a core-shell type graft copolymer wherein the core includes a conjugate diene rubber, and the shell includes an acrylic monomer, an aromatic vinyl monomer, and a maleimide monomer.
    Type: Grant
    Filed: October 1, 2009
    Date of Patent: February 10, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Byoung-Il Kang, Chang-Hun Han, Jung-A Yoo, Song-Taek Oh
  • Patent number: 8940059
    Abstract: Disclosed is an azo compound represented by the formula (1) below, a salt thereof, or a copper complex salt compound thereof. (In the formula, R1 and R2 independently represent a hydrogen atom, a sulfonic acid group, a lower alkyl group or a lower alkoxyl group; R3-R6 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxyl group; R7 represents a lower alkyl group or a lower alkoxyl group; and n represents 0 or 1.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: January 27, 2015
    Assignees: Nippon Kayaku Kabushiki Kaisha, Polatechno Co., Ltd.
    Inventors: Yuichi Sadamitsu, Takahiro Higeta
  • Patent number: 8926872
    Abstract: The present invention relates to an acrylic copolymer resin containing: 1) an alkyl (meth)acrylate-based monomer; 2) a (meth)acrylate-based monomer containing an aliphatic ring and/or an aromatic ring; and 3) at least an imide-based monomer or a styrene-based monomer, to a resin composition containing said acrylic copolymer resin and a resin containing an aromatic ring and/or an aliphatic ring in the main chain thereof, to an optical film comprising said resin composition, and to a liquid crystal display device comprising said optical film. The optical film according to the present invention has excellent heat resistance, optical transparency, etc.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: January 6, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Su-Kyung Kim, Byoung-Il Kang, Dae-Woo Lee, Byoung-Kue Chun, Chang-Hun Han, Da-Eun Sung
  • Patent number: 8928976
    Abstract: Provided are a resin composition and an optical film formed by using the same, and more particularly, a resin composition including 85 to 95 parts by weight of a matrix copolymer resin including an alkyl(meth)acrylate-based unit, an acryl-based unit containing a benzene ring, and a (meth)acrylic acid unit, and 5 to 15 parts by weight of a polymer resin having a molecular weight range of 150,000 to 1,000,000 and an optical film formed by using the composition. A resin composition according to the present invention may provide a protective film for a polarizing plate having excellent heat resistance and toughness as well as excellent optical properties, and thus, an optical film formed by using the resin composition of the present invention may be used in information electronic devices such as display devices for various applications.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: January 6, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Byoung-Il Kang, Chang-Hun Han, Dae-Woo Lee, Jae-Bum Seo, Jung-Tae Park, Eun-Jung Choi, Joon-Sik Kim, Beom-Suk Kim, Nam-Jeong Lee, Sang-Min Kwak, Jun-Geun Um, Suk-Il Youn, Joong-Hoon Lee
  • Publication number: 20140370188
    Abstract: The present invention relates to an absorptive polarizer and a method for manufacturing the same, and more particularly, to an absorptive polarizer which includes a nano-composite layer in which nanoparticles including a light absorptive element or an oxide or compound thereof are selectively contained in a block copolymer having a first block and a second block which are separately aligned therein, thereby exhibiting excellent durability even when it is exposed under hot and humid environments for a long time, and having polarization degree and transmittance substantially equal to or greater than those of any typical absorptive polarizer manufactured through drawing, as well as a method of easily preparing such an absorptive polarizer as described above at low production costs.
    Type: Application
    Filed: September 4, 2014
    Publication date: December 18, 2014
    Inventor: Min Seong Cho
  • Patent number: 8894205
    Abstract: A polarized optical element comprising: an optical part made of polyurethane-based optical material; and a polarizing film integrally bonded to the optical part, wherein the polyurethane-based optical material comprises the reaction product of a liquid-phase material comprising: a) a liquid polyisocyanate or polyisocyanate prepolymer having a content of —NCO functional groups comprised between 5 and 50% by weight and an average functionality of 2 to 3, b) an isocyanate-reactive component comprising at least one organic compound containing at least two aromatic amine groups, and c) at least one organometallic catalyst.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: November 25, 2014
    Assignee: Intercast Europe S.p.A.
    Inventors: Paolo Baiocchi, Federico Menta, Matteo Lagasi
  • Publication number: 20140339482
    Abstract: A composition for a polarization film including: a transparent resin having a boiling point of greater than or equal to 130° C.
    Type: Application
    Filed: April 3, 2014
    Publication date: November 20, 2014
    Applicants: KYUNGPOOK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Joo LEE, Deuk Kyu MOON, Sang Ho PARK, Jae Hong CHOI, Beom Seok KIM, Jong Hoon WON, Feifei FANG, Myung Sup JUNG
  • Publication number: 20140319563
    Abstract: Nanorods assemblies that have lengths in excess of 50 microns to meters are formed from contacting rice-shaped colloidal superparticles that are aligned along the long axis of the colloidal superparticles. The rice-shaped colloidal superparticles are formed from a multiplicity of nanorods with a high degree of association that is end to end to form colloidal superparticles that are in excess of three microns in length and have a length to diameter ratio of about three or more. Methods of preparing the rice-shaped colloidal superparticles employ mixing with an additional ligand to the nanorods to bias the self assembly of the nanorods by solvophobic interactions. Methods of preparing the nanorods assemblies include the infusion of the rice-shaped colloidal superparticles into microchannels patterned on a substrate, wherein the rice-shaped colloidal superparticles' long axes align in the microchannels.
    Type: Application
    Filed: December 16, 2013
    Publication date: October 30, 2014
    Applicant: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC.
    Inventors: Yunwei Charles Cao, Tie Wang, Xirui Wang
  • Publication number: 20140254012
    Abstract: A polarization film, including: a hydrophobic polymer resin and a dichroic dye represented by Chemical Formula 1: wherein in Chemical Formula 1, wherein, in Chemical Formula 1, Ar1 is a substituted or unsubstituted C6 to C15 arylene group, Ar2 is a C6 to C15 arylene group substituted with at least one of a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C1 to C20 alkoxy group, a halogen atom and a halogen-containing group, Ar3 is a C6 to C15 arylene group substituted with an amide group, R1 is a substituted or unsubstituted C1 to C20 alkyl group or a substituted or unsubstituted C1 to C20 alkoxy group, R2 and R3 are each independently a substituted or unsubstituted C1 to C20 alkyl group, or R2 and R3 are linked to each other to form a ring, and n is 1 or 2.
    Type: Application
    Filed: November 26, 2013
    Publication date: September 11, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Deuk Kyu MOON, Sang Ho PARK, Yong Joo LEE, Jong Hoon WON, Hyeon Ho CHOI, Myung Man KIM, Young Hwan KIM, Feifei FANG, Myung Sup JUNG
  • Publication number: 20140246632
    Abstract: The present invention provides a polarizing film having a high dichroic ratio. The polarizing film contains a disazo compound represented by the following general formula (1). In the general formula (1), Q1 represents a phenyl group having at least one —SO3M group; Q2 represents a naphthylene group having at least one —SO3M group; X represents an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a thioalkyl group having 1 to 4 carbon atoms, a halogeno group, or a polar group; subscript k denotes the number of substitutions of X and represents an integer of 0 to 5; and M represents a counter ion, where when k is an integer of 2 or more, Xs are the same or different.
    Type: Application
    Filed: January 8, 2013
    Publication date: September 4, 2014
    Applicant: NITTO DENKO CORPORATION
    Inventors: Sadahiro Nakanishi, Miyuki Kurogi
  • Patent number: 8821770
    Abstract: Microstructured films comprising surface modified inorganic oxide particles and polymerizable resins are described.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: September 2, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Clinton L. Jones, Brant U. Kolb, Taun L. McKenzie, David B. Olson, Nathaniel K. Naismith
  • Publication number: 20140239240
    Abstract: There is provided a cured-film formation composition that forms a cured film having excellent photoreaction efficiency and solvent resistance, and high adhesion, an orientation material for photo-alignment, and a retardation material formed with the orientation material.
    Type: Application
    Filed: October 9, 2012
    Publication date: August 28, 2014
    Inventors: Tadashi Hatanaka, Tomohisa Ishida, Shojiro Yukawa
  • Publication number: 20140242300
    Abstract: Provided is a polarizer durable against high-temperature and high-humidity conditions, small in changes in the single plate transmittance, and a liquid crystal display device. A polarizer comprising a polyvinyl alcohol-based resin, a dichroic colorant, and a compound, etc. represented by the formula (1) below, the content of the compound represented by the formula (1) being 0.01 to 30 parts by mass relative to 100 parts by mass of the polyvinyl alcohol based resin. In the formula (1), each of Ri and R3 independently represents a hydrogen atom, C1-20 straight-chain alkyl group, C3-20 branched alkyl group, C3-20 cycloalkyl group, 02-20 alkenyl group or C6-20 aromatic group, and R5 represents a substituent.
    Type: Application
    Filed: February 26, 2014
    Publication date: August 28, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Mayumi NOJIRI, Takahiro OHNO, Nobutaka FUKAGAWA, Yu NAITO, Hiroyuki ISHIKAWA, Naoya SHIMOJU
  • Patent number: 8804240
    Abstract: The present invention is a garnet-type single crystal represented by the following general formula: (Tb3-xScx)(Sc2-yAly)Al3O12-z??(1) (wherein, x satisfies 0<x<0.1).
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: August 12, 2014
    Assignees: Fujikura Ltd., National Institute for Materials Science
    Inventors: Akiharu Funaki, Tsubasa Hatanaka, Kiyoshi Shimamura, Villora Encarnacion Antonia Garcia
  • Publication number: 20140218628
    Abstract: [Object] A polarizing element and polarizing plate having improved optical properties and durability.
    Type: Application
    Filed: September 5, 2012
    Publication date: August 7, 2014
    Applicants: POLATECHNO CO., LTD., NIPPON KAYAKU KABUSHIKI KAISHA
    Inventor: Noriaki Mochizuki
  • Publication number: 20140218797
    Abstract: [Object] A polarizing element and polarizing plate having improved optical properties and durability. [Solution] A polarizing element characterized in comprising a polyvinyl alcohol resin film adsorbing at least one dichromatic pigment that is a compound represented by formula (I) or a salt thereof as a free acid, and being stretched, wherein the polyvinyl alcohol resin has a degree of polymerization of 5,000 to 10,000: (wherein A represents a phenyl group or a naphthyl group having a substituent; R1-R6 each independently represent a hydrogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxy group, a sulfo group, or a lower alkoxy group having a sulfo group; X represents an amino group optionally having a substituent, a benzoylamino group optionally having a substituent, a phenylamino group optionally having a substituent, a phenylazo group optionally having a substituent, or a naphthotriazole group optionally having a substituent; and m represents 0 or 1).
    Type: Application
    Filed: September 5, 2012
    Publication date: August 7, 2014
    Applicants: POLATECHNO CO., LTD., NIPPON KAYAKU KABUSHIKI KAISHA
    Inventor: Noriaki Mochizuki
  • Patent number: 8771378
    Abstract: Disclosed is an azo compound represented by the general formula (1) or a salt thereof: wherein R1 and R2 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxy group; and n represents 1 or 2. Also disclosed are a dye-containing polarizing film and a dye-containing polarizing plate, each of which comprises a polarizing film base material and the azo compound contained in the base material.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: July 8, 2014
    Assignees: Nippon Kayaku Kabushiki Kaisha, Polatechno Co., Ltd.
    Inventors: Yuichi Sadamitsu, Takuto Nishiguchi, Hiroaki Ohno
  • Patent number: 8765896
    Abstract: The present invention relates to an acrylic copolymer having high heat resistance and high strength, and an optical film comprising the same, and more particularly, to an acrylic copolymer for optical films in which alkyl (meth)acrylate monomers; (meth)acrylate monomers comprising aromatic rings and/or aliphatic rings; and (meth)acrylamide monomers are included and polymerized. An acrylic copolymer according to the present invention is excellent in heat resistance while maintaining transparency. Further, an optical film comprising a compound resin including the acrylic copolymer has superior transparency and heat resistance and is excellent in formability, adhesion, retardation properties, and durability.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: July 1, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Su-Kyung Kim, Da-Eun Sung, Chang-Hun Han, Byung-Il Kang, Jae-Bum Seo, Eun-Jung Choi, Byoung-Kue Chun, Yu-Taek Sung
  • Patent number: 8741190
    Abstract: 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: Grant
    Filed: June 20, 2013
    Date of Patent: June 3, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Junzo Miyazaki, Shoichi Matsuda, Kyoko Nishiguchi
  • Patent number: 8734918
    Abstract: A liquid crystalline coating solution which comprises: an azo compound represented by the following general formula (1); and a solvent to dissolve the azo compound: wherein Q1 is an aryl group which may have any substituent group; Q2 is an arylene group which may have any substituent group; R is a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, an acetyl group, a benzoyl group, or a phenyl group (these groups may have any substituent groups); and M is a counter ion.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: May 27, 2014
    Assignee: Nitto Denko Corporation
    Inventors: Shoichi Matsuda, Kyoko Nishiguchi, Tadayuki Kameyama
  • Publication number: 20140131643
    Abstract: Disclosed are a polarizing film including a polyolefin and a dichroic dye having a solubility parameter difference between the polyolefin and the dichroic dye is less than 7.4, and a display device including the polarizing film.
    Type: Application
    Filed: November 6, 2013
    Publication date: May 15, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Joo LEE, Deuk Kyu MOON, Sang Ho PARK, Jong Hoon WON, Hyeon Ho CHOI, Myung Man KIM, Young Hwan KIM, Feifei FANG, Myung Sup JUNG
  • Publication number: 20140124714
    Abstract: Disclosed are a polarizing film including a polyolefin and a dichroic dye having a solubility parameter difference between the polyolefin and the dichroic dye is less than 7.4, and a display device including the polarizing film.
    Type: Application
    Filed: May 8, 2013
    Publication date: May 8, 2014
    Inventors: Yong Joo LEE, Deuk Kyu MOON, Sang Ho PARK,, Jong Hoon WON, Hyeon Ho CHOI, Myung Man KIM, Young Hwan KIM, Feifei FANG, Myung Sup JUNG
  • Publication number: 20140126053
    Abstract: An anti-reflective film includes a polarizing film and a compensation film, where the polarizing film includes a polymer, and a plurality of dichroic dyes having an absorption wavelength region in a range from about 380 nanometers to about 780 nanometers, and a reflective color of the anti-reflective film is substantially in a range of ?5?a*?5 and ?5?b?*5 in CIE-Lab color coordinates.
    Type: Application
    Filed: November 5, 2013
    Publication date: May 8, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Hoon WON, Myung Man KIM, Deuk Kyu MOON, Feifei FANG, Yong Joo LEE, Beom Seok KIM, Myung-Sup JUNG
  • Patent number: 8709285
    Abstract: An ionic compound has the formula (I): in which, R1 is selected from the group consisting of hydrogen, a C1-C20 alkyl, and an aromatic group; R2 is selected from the group consisting of a carbonyl and a C1-C10 alkyl; and R3 is selected from the group consisting of an imidazole ring, a C1-C20 alkyl, an acrylic group, and an aromatic group; X? is selected from the group consisting of Cl?, Br?, I?, NO3?, AlCl4?, BF4?, CF3SO3?, (CF3SO3)?, CF3COO?, CH3COO?, and PF6?; and k is an integer 1 or 2. The ionic compound can be added in a pressure-sensitive adhesive of a polarizer of a liquid crystal display panel to avoid the phenomenon of the static electricity residual when the release film is removed from the pressure-sensitive adhesive.
    Type: Grant
    Filed: September 6, 2010
    Date of Patent: April 29, 2014
    Assignee: BenQ Materials Corporation
    Inventors: Cheng-Chung Liao, Min-Chih Lin
  • Publication number: 20140087201
    Abstract: To develop a polarizing element having a good polarizing property that is a pigment having an excellent blue dye without use of a raw material belonging to a specified chemical substance such as dianisidine. Provided is a polarizing element that comprises a film of a polyvinyl alcohol resin or a derivative thereof containing dichromatic pigments, and having been stretched at a stretch ratio of at least three times, in which at least one of the dichromatic pigments is an azo compound represented by Formula (1) or a salt thereof, and the content of an azo compound represented by Formula (2) or a salt thereof is within 10% with respect to the total amount of the dichromatic pigments.
    Type: Application
    Filed: May 22, 2012
    Publication date: March 27, 2014
    Applicants: POLATECHNO CO., LTD., NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Noriaki Mochizuki, Takahiro Higeta, Takuto Nishiguchi
  • Patent number: 8679376
    Abstract: A polarization film, including a polymer resin, and a dichroic dye dispersed in the polymer resin and represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, Ar, R1 to R4 are the same as those defined in the detailed description.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: March 25, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Joo Lee, Deuk-Kyu Moon, Jong-Hoon Won, Myung-Man Kim, Myung-Sup Jung
  • Publication number: 20140036227
    Abstract: A photochromic lens is proposed which can lose its color in a shorter period of time, and which is less likely to deteriorate when exposed to ultraviolet radiation. The photochromic lens is formed by dissolving 0.03 to 0.2 parts by mass of a spirooxazine photochromic compound in tetrahydrofuran, mixing the solution thus obtained into 100 parts by mass of a lens resin material so that the photochromic compound is uniformly dispersed in the resin material.
    Type: Application
    Filed: November 2, 2012
    Publication date: February 6, 2014
    Applicant: TALEX OPTICAL CO., LTD.
    Inventors: Kanichi TAMURA, Shoichi MITSUUCHI, Kenzo WADA, Atsushi TAKATA