Ester (e.g., Polycarbonate, Polyacrylate, Etc.) Patents (Class 428/1.33)
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Patent number: 8771810Abstract: A polymerizable composition containing a compound represented by the formula (I) or the formula (I?) is useful for formation of films having a high ?n with no coloration. P1 and P2 each are a polymerizable group; m1 and m2 each are an integer of from 1 to 10; A1 to A4 each are a predetermined cyclic group; R is a hydrogen atom or an alkyl; in the formula (I), Z1 is —COO—, —COO—, —OCO—CH?CH—, —NHCO— or —NR1CO—; L1 and L2 each are —O—, —S—, —COO—, —COO—, —OCO—CH?CH—, —OCOO—, —NHCO— or —NR1CO; n1 is 1 or 2; in the formula (I?), Z1 and Z2 each are —COO—, —OCO—, —NHCO— or NR1CO; L1 and L2 each are —O—, —S—, —COO—, —OCO—, —OCOO—, —NHCO— or NR1CO; n1 and n2 each are 1 or 2.Type: GrantFiled: December 17, 2012Date of Patent: July 8, 2014Assignee: FUJIFILM CorporationInventors: Masatoshi Mizumura, Shunya Katoh, Yasuhiro Ishiwata, Masaomi Kimura
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Patent number: 8765235Abstract: Provided is a novel polymerizable azomethine compound which has a high ?n and is colorless. The compound is represented by the formula (I). P1 and P2 each are a polymerizable group; m1 and m2 each are an integer of from 1 to 10; R1 and R2 each are an alkyl group having from 1 to 4 carbon atoms, an alkoxy group having from 1 to 4 carbon atoms, an alkoxycarbonyl group having from 2 to 5 carbon atoms, an acyloxy group having from 2 to 5 carbon atoms, an acyl group having from 2 to 4 carbon atoms, an amide group having from 2 to 5 carbon atoms, a cyano group or a halogen atom; n1 and n2 each are an integer of from 0 to 4; R3 is a hydrogen atom, or an alkyl group having from 1 to 4 carbon atoms; Z1 and L1 each are a predetermined divalent group; n is 0, 1 or 2.Type: GrantFiled: December 17, 2012Date of Patent: July 1, 2014Assignee: FUJIFILM CorporationInventors: Masatoshi Mizumura, Shunya Katoh, Yasuhiro Ishiwata, Masaomi Kimura
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Patent number: 8753726Abstract: An optical compensation film and a liquid crystal display characterized in that in a scattered-light intensity measurement for a film with an incident light with 90° in a scattered light profile of a goniophotometer, in the case of measuring so as to detect a scattered light intensity at the position of 130° from a light source, a difference in scattered light intensity between the case where a film slow axis is installed horizontally on a sample stand and the case where the film slow axis is installed vertically is 0.05 or less.Type: GrantFiled: April 18, 2008Date of Patent: June 17, 2014Assignee: Konica Minolta Opto, Inc.Inventors: Takashi Sera, Takahiro Takagi
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Patent number: 8748525Abstract: A polyester film is described, including a first polyester and a second polyester. The weight ratio of the first polyester to the second polyester ranges from 1:1 to 1:3. The glass transition temperature of the first polyester is higher than 140° C. and that of the second polyester is lower than 140° C.Type: GrantFiled: November 22, 2011Date of Patent: June 10, 2014Assignee: Industrial Technology Research InstituteInventors: Jyh-Horng Wu, Cheng-Hsing Fan, Ming-Tsong Leu, Chia-Hao Li, Yao-Tsu Wu, Chien-Pang Wu
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Patent number: 8741399Abstract: The birefringent film of the present invention contains an aromatic polyester having a repeating unit represented by the following general formula (1). In the general formula (1), A(s), B(s), C(s), and D(s) are each independently represent a group selected from a halogeno group, an alkyl group which has 1 to 6 carbon atoms, and an aryl group. Also, a and b each represent an integer of 0 to 4, and c and d each represent an integer of 0 to 3. R1 represents a hydrogen atom, or an alkyl group which has 1 to 10 carbon atoms. R2 represents an alkyl group which has 2 to 10 carbon atoms. R3 to R6 each independently represent a group or atom selected from a hydrogen atom, a halogeno group, an alkyl group which has 1 to 6 carbon atoms, and an aryl group. Furthermore, l and m each represent an integer of 2 or more.Type: GrantFiled: March 25, 2009Date of Patent: June 3, 2014Assignee: Nitto Denko CorporationInventors: Tomoyuki Hirayama, Toshiyuki Iida, Yutaka Ohmori, Satoru Suzuki, Miyuki Kurogi, Hisae Shimizu
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Patent number: 8709552Abstract: The resin composition of the present invention is a resin composition characterized by including (a) a polyimide, a polybenzoxazole, a polyimide precursor or a polybenzoxazole precursor, (b) 1,5-dihydroxynaphthalene, 1,6-dihydroxynaphthalene, 1,7-dihydroxynaphthalene, or 2,3-dihydroxynaphthalene, and (c) a thermal cross-linking agent having a specific structure. By the use of the resin composition of the present invention, it is possible to reduce the transmittance in the visible region of a cured film while maintaining the transmittance of a resin film before curing.Type: GrantFiled: January 15, 2010Date of Patent: April 29, 2014Assignee: Toray Industries, Inc.Inventors: Kazuto Miyoshi, Mika Koshino, Masao Tomikawa
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Patent number: 8703252Abstract: A multi-layer stretched film has 251 or more alternating layers which consist of first layers and second layers, wherein the first layers are made of a polyester which contains (i) 5 to 50 mol % of a naphthoic acid component as a dicarboxylic acid component and (ii) a diol having an alkylene group with 2 to 10 carbon atoms as a diol component; and the second layers are made of a thermoplastic resin having an average refractive index of 1.50 to 1.60 and differences in refractive index among a uniaxial stretching direction, a direction orthogonal to the uniaxial stretching direction and a film thickness direction of 0.05 or less before and after stretching, and the film has specific reflectance characteristics for a P polarization component and an S polarization component.Type: GrantFiled: December 15, 2010Date of Patent: April 22, 2014Assignee: Teijin LimitedInventors: Taro Oya, Mitsumasa Ono, Tetsuo Yoshida
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Patent number: 8697201Abstract: The present invention is to provide a retardation film having excellent durability against temperature change or the like and a production method of the retardation film. Particularly, the present invention is to provide a retardation film which realizes both reverse wavelength dispersion and durability and a production method of the retardation film. This is achieved by a retardation film including: a component (A) which is specific cellulose acylate; and a component (B) which is cellulose acylate or cellulose ether having a molecular weight different from a molecular weight of the component (A) and whose residual degree of hydroxyl group is 0.30 or more.Type: GrantFiled: March 28, 2006Date of Patent: April 15, 2014Assignee: Kaneka CorporationInventors: Yoshikazu Kawai, Masato Shintaku, Masaaki Nakamura
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Publication number: 20140098325Abstract: The invention provides a liquid crystal display device, as well as a polarizer and a protective film suitable for the liquid crystal display device. The liquid crystal display device comprises a backlight light source, two polarizers, and a liquid crystal cell disposed between the two polarizers; the backlight light source being a white light-emitting diode light source; each of the two polarizers comprising a polarizing film and protective films laminated on both sides of the polarizing film; at least one of the protective films being a polyester film having an adhesion-facilitating layer; the polyester film having a retardation of 3,000 to 30,000 nm; and the adhesion-facilitating layer comprising a polyester resin (A) and a polyvinyl alcohol resin (B).Type: ApplicationFiled: May 16, 2012Publication date: April 10, 2014Applicant: TOYOBO CO., LTD.Inventors: Kouichi Murata, Mitsuharu Nakatani, Yasushi Sasaki
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Publication number: 20140099452Abstract: Provided is a method for manufacturing a peelable laminated film including a layer A including cellulose ester and a layer B including a resin capable of a solution film-formation different from the cellulose ester, the layer A and the layer B having an adhesion of 5 N/cm or less, the method including: simultaneously or sequentially casting and laminating a dope A for forming the layer A, which includes cellulose ester and a solvent, and a dope B for forming the layer B, which includes a resin capable of a solution film-formation different from the cellulose ester and a solvent, on a casting support, peeling off a laminate of the dope A and the dope B from the casting support, and drying the laminate.Type: ApplicationFiled: December 10, 2013Publication date: April 10, 2014Applicant: FUJIFILM CORPORATIONInventors: Hiroyuki KAWANISHI, Katsumi SASATA, Hajime NAKAYAMA, Ryo SUZUKI, Nobutaka FUKAGAWA
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Patent number: 8691353Abstract: Disclosed are: a polarizing plate having visibility and viewing angle characteristics; and a liquid crystal display device using the polarizing plate. Specifically disclosed is a polarizing plate which is obtained by sandwiching a polarizer between first and second cellulose ester films. The polarizing plate is characterized in that the first cellulose ester film is formed from a cellulose ester having a total degree of substitution of acyl groups of 2.8-3.0, and the second cellulose ester film is formed from a cellulose ester having a total degree of substitution of acyl groups of 2.0-2.6, and has a retardation value Ro of 30-200 nm and a retardation value Rt of 70-300 nm.Type: GrantFiled: April 26, 2010Date of Patent: April 8, 2014Assignee: Konica Minolta Opto, Inc.Inventor: Takahiro Takagi
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Patent number: 8658261Abstract: Disclosed is a composition comprising a polymer comprising a repeating unit represented by formula (I). Each of A1 and A2 represents a group selected from the group consisting of —O—, —NRa— (Ra represents a hydrogen atom or a substituent), —S—, and —CO—; each of R1, R2 and R3 represents a substituent; n is an integer from 0 to 2; X represents an alkenylene group, alkynylene group, arylene group, or heterocyclic group; each of L1 and L2 independently represents a linking group.Type: GrantFiled: October 23, 2008Date of Patent: February 25, 2014Assignee: FUJIFILM CorporationInventor: Shinichi Morishima
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Patent number: 8652590Abstract: Disclosed is a polarizing plate having low moisture absorption, wherein fading deterioration of a polarizer is improved. A liquid crystal display using the polarizing plate is also disclosed. The polarizing plate is obtained by sandwiching a polarizer composed of a polyvinyl alcohol with an acrylic film (a) having a water vapor permeability of 100-500 g/m2·24 hr and a cellulose ester film (b1) containing no phosphate plasticizer or a cellulose ester film (b2) containing a phosphate plasticizer and an acid scavenger. The polarizing plate is arranged on at least one side of a liquid crystal cell, with the cellulose ester film (b1) or (B2) being on the liquid crystal cell side.Type: GrantFiled: May 21, 2009Date of Patent: February 18, 2014Assignee: Konica Minolta Opto, Inc.Inventors: Takashi Takebe, Masataka Takimoto, Nobuo Kubo
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Patent number: 8652591Abstract: The purpose of the present invention is to provide: a retardation film which uses a low-substituted cellulose ester and has improved retardation after saponification and improved wet heat stability of internal haze; a polarizing plate which uses the retardation film; and a liquid crystal display device. An optical film of the present invention contains a cellulose ester and a compound represented by general formula (1), and is characterized in that the compound has an average degree of substitution within the range of 3.0-6.0 and contains a component having a degree of substitution of 4 or less in an amount of 30-80% by mass (inclusive). (In the formula, R1-R8 each represents a substituted or unsubstituted alkylcarbonyl group or a substituted or unsubstituted allylcarbonyl group, and R1-R8 may be the same as or different from one another.Type: GrantFiled: June 23, 2011Date of Patent: February 18, 2014Assignee: Konical Minolta Advanced Layers, Inc.Inventors: Takashi Sera, Takahiro Takagi, Shigeki Oka, Ayako Inagaki
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Patent number: 8647725Abstract: A cellulose acylate film, containing an acyl-modified compound of a reduction product of a ketone compound-formaldehyde polymer, a polarizing plate containing the film as transparent protective film, and a liquid crystal display device having the polarizing plate.Type: GrantFiled: March 30, 2010Date of Patent: February 11, 2014Assignee: FUJIFILM CorporationInventors: Satoshi Shimamura, Nobutaka Fukagawa
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Publication number: 20140023799Abstract: The invention provides an optical resin composition being transparent, having suitable adhesion and necessary impact absorption for protection of an image display device etc., not affecting constituent materials of a image display panel, and being excellent in reliability, and an optical resin material using the same. Disclosed is an optical resin composition containing (A) a first acrylate derivative that is a compound having one polymerizable unsaturated bond in its molecule, (B) a second acrylate derivative that is a compound having two or more polymerizable unsaturated bonds in its molecule, and (C) an acrylate derivative polymer, and an optical resin material produced by curing reaction of the optical resin composition.Type: ApplicationFiled: September 25, 2013Publication date: January 23, 2014Applicant: Hitachi Chemical Company, Ltd.Inventors: Tooru Takahashi, Yasuhisa Ishida, Hisashige Kanabara, Hidekazu Kondou
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Patent number: 8632863Abstract: A polymer film that has: a ratio R (VT/VM) of a sound velocity in a transverse direction VT to a sound velocity in a machine direction VM of from 1.05 to 1.50; and an in-plane retardation Re(?) and a thickness-direction retardation Rth(?) satisfying formula (I): (I) 0?Re(630)?10, and |Rth(630)|?25, wherein Re(?) represents an in-plane retardation at a wavelength of ? (nm); and Rth(?) represents a thickness-direction retardation at a wavelength of ? (nm).Type: GrantFiled: September 4, 2012Date of Patent: January 21, 2014Assignee: FUJIFILM CorporationInventor: Tadashi Omatsu
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Patent number: 8628698Abstract: Disclosed is a resin composition for a protective layer of a color filter including an acrylate-based resin including a repeating unit represented by each of Chemical Formulae 1 to 3, a melamine-based resin represented by Chemical Formula 4, a thermal acid generator (TAG), and a solvent.Type: GrantFiled: July 23, 2010Date of Patent: January 14, 2014Assignee: Cheil Industries Inc.Inventors: Se-Young Choi, Jae-Hyun Kim, Nam-Gwang Kim, Eui-June Jeong, Sang-Kyun Kim, Kwen-Woo Han, Hyun-Hoo Sung
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Patent number: 8623472Abstract: A cellulose acylate film is provided and has a surface where a first in-plane orientation in a portion from 0 to 3 ?m in depth from the surface is lower than a second in-plane orientation in a portion from 3 ?m to 10 ?m in depth from the surface.Type: GrantFiled: August 27, 2009Date of Patent: January 7, 2014Assignee: FUJIFILM CorporationInventors: Yasuyuki Sasada, Hajime Nakayama, Shinya Watanabe, Kunihiro Atsumi
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Patent number: 8613986Abstract: The present invention relates to an optical film comprising an aromatic based unit including 5 to 10,000 of units represented by Formula 6; a (meth)acrylate-based unit which is a copolymer of a (meth)acrylate derivative and maleimide; and a styrene-based unit which is a copolymer of a styrene derivative and maleimide, and a polarizing plate.Type: GrantFiled: September 5, 2012Date of Patent: December 24, 2013Assignee: LG Chem, Ltd.Inventors: Jun-Geun Um, Min-Hee Lee, Nam-Jeong Lee, Jong-Hun Lee, Dong-Ryul Kim, Sae-Han Cho
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Patent number: 8580358Abstract: A cellulose ester film containing a polyester represented by Formula (1) or (2), wherein an in-plane retardation value (Ro) is 0 to 5 nm and a retardation value in a thickness direction (Rt) is ?20 to 10 nm, Ro and Rt being measured at 23° C. and 55% RH: B1-(G-A-)mG-B1??Formula (1) wherein B1: monocarboxylic acid, G: dihydric alcohol, A: dibasic acid, B1, G and A contain no aromatic ring, m: repeat number, plural B1 may be the same or different, and plural G may be the same or different; and B2-(A-G-)nA-B2??Formula (2) wherein B2: monoalcohol, G: dihydric alcohol, A: dibasic acid, provided that none of B2, G and A contains an aromatic ring, n: repeat number, plural B2 may be the same or different, and plural G may be the same or different.Type: GrantFiled: June 23, 2006Date of Patent: November 12, 2013Assignee: Konica Minolta Opto, Inc.Inventors: Takashi Takebe, Kunio Shimizu, Koji Tasaka, Shigeki Oka
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Patent number: 8568893Abstract: An ester-based polymer to be used in the present invention has at least a repeating unit represented with the general formula (I). A and B are substituents substituted on a stilbene group. R1 is a hydrogen atom, a linear or branched alkyl group having 1 to 10 carbon atoms, or a substituted or unsubstituted aryl group. R2 is a linear or branched alkyl group having 2 to 10 carbon atoms. R3 to R6 each independently represents a hydrogen atom, a halogen atom, a linear or branched alkyl group having 1 to 6 carbon atoms, or a substituted or unsubstituted aryl group. n is an integer of 2 or more.Type: GrantFiled: January 27, 2009Date of Patent: October 29, 2013Assignee: Nitto Denko CorporationInventors: Tomoyuki Hirayama, Toshiyuki Iida, Yutaka Ohmori, Satoru Suzuki, Miyuki Kurogi, Hisae Shimizu
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Patent number: 8570463Abstract: A liquid crystal display device includes: a liquid crystal panel; a first polarizing film and a second polarizing film on a bottom surface and a top surface, respectively, of the liquid crystal panel; a backlight unit below the first polarizing film; and a titanium oxide film on the second polarizing film and that transmits one of right-handed circularly polarized light and left-handed circularly polarized light and reflects the other, with a predetermined wavelength, of the right-handed circularly polarized light and the left-handed circularly polarized light.Type: GrantFiled: November 23, 2010Date of Patent: October 29, 2013Assignee: LG Display Co., Ltd.Inventors: Seung-Ho Park, Chul Nam, Hyong-Jong Choi
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Publication number: 20130260059Abstract: Disclosed is a negative C-type retardation compensator for a liquid crystal display. The negative C-type retardation compensator for the liquid crystal display includes polyarlate having a thio group or a sulfur oxide group in a polymer main chain thereof Accordingly, the retardation compensator has an absolute value of negative retardation that is larger in a thickness direction that a retardation compensator which includes polyarylate having no thio group or sulfur oxide group in a polymer main chain thereof even though the retardation compensator having the thio group or sulfur oxide group and the retardation compensator having no thio group or sulfur oxide group are the same as each other in thickness. Thereby, the negative C-type retardation compensator for liquid crystal displays is capable of being desirably applied to the liquid crystal displays.Type: ApplicationFiled: May 21, 2013Publication date: October 3, 2013Applicant: LG CHEM, LTD.Inventors: HEE-JUNG KIM, DONG-RYUL KIM, HO-JUN LEE, SANG-UK RYU, HYO-SUN LEE, BOONG-GOON JEONG, DAE-WOO NAM, JU-EUN CHA
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Publication number: 20130251919Abstract: The problem is to provide a front plate of a TN liquid crystal panel capable of inhibiting occurrence of color unevenness caused by retardation of a polycarbonate resin sheet, even when a liquid crystal panel is observed through polarizing glasses or liquid crystal shutter glasses for 3D, while having excellent impact resistance, heat resistance and transparency. The solution means is the front plate 1 of a TN liquid crystal panel provided with the polycarbonate resin sheet 10, wherein the direction of the slow axis X or the fast axis Y of the polycarbonate resin sheet 10 is inclined by 45° with respect to the lengthwise direction L of a liquid crystal panel.Type: ApplicationFiled: August 8, 2011Publication date: September 26, 2013Applicants: MGC FILSHEET CO., LTD., MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Koshi Koide, Osamu Kakinoki
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Patent number: 8530572Abstract: Microstructured films such as brightness enhancing films, polymerizable resin compositions comprising an organic component and surface modified nanoparticles, and surface modified nanoparticles are described. The microstructured film has a polymerized structure comprising the reaction product of the polymerizable resin composition (e.g. having a refractive index of at least 1.58). The cured nanocomposite (e.g. structure) can exhibit improved crack resistance. In some embodiments, the flexibility is expressed in terms of a cylindrical mandrel bend test property (e.g. a mandrel size to failure of less than 6 mm or a mandrel size to failure according to the equation D=1000(T/0.025?T) wherein T is the thickness in millimeters of a (e.g. preformed base layer). In other embodiments, the flexibility is expressed in terms of a tensile and elongation property (e.g. a tensile strength at break of at least 25 MPa and an elongation at break of at least 1.75%).Type: GrantFiled: June 27, 2012Date of Patent: September 10, 2013Assignee: 3M Innovative Properties CompanyInventors: Brant U. Kolb, Clinton L. Jones, David B. Olson, Taun L. McKenzie, Nathan K. Naismith
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Patent number: 8518552Abstract: The invention relates to an optical film containing polymers having different repeating units, and methods for production thereof. Further, the invention also relates to an optical laminate, a polarizing plate, and an image display device each using the optical film. The optical film of the invention advantageously has not only high solubility in solvents but also a high level of transparency since the polymers used in the optical film are compatible with each other. Further, wavelength dispersion of the birefringence of the optical film can be controlled by merely changing a ratio of polymers.Type: GrantFiled: March 11, 2010Date of Patent: August 27, 2013Assignee: Nitto Denko CorporationInventors: Toshiyuki Iida, Tomoyuki Hirayama, Yutaka Ohmori, Miyuki Kurogi, Hisae Shimizu, Junichi Nagase
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Patent number: 8512825Abstract: The present invention relates to an optical film that comprises an aromatic based resin comprising a chain having the hydroxy group containing portion and aromatic moiety and a polarizing plate and an information electronic device that include the same. The in-plane retardation Rin is in the range of 30 to 600 nm and the thickness retardation Rth is in the range of 30 to 400 nm.Type: GrantFiled: January 7, 2009Date of Patent: August 20, 2013Assignee: LG Chem, Ltd.Inventors: Dong-Ryul Kim, Boong-Goon Jeong, Dae-Woo Nam, Myeong-Geun Ko, Min-Hee Lee, Jun-Geun Um
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Patent number: 8512822Abstract: The present invention relates to a retardation film, a method for manufacturing the same, and a liquid crystal display device including the same. More particularly, the present invention relates to a retardation film that includes 1) an acryl-based film, and 2) a coating layer of a negative C type material, the retardation film according to the exemplary embodiment of the present invention may be applied to an IPS (in-plane switching) mode liquid crystal display, and it is possible to control a ratio of an in-plane retardation value and a thickness retardation value of the retardation film.Type: GrantFiled: June 24, 2010Date of Patent: August 20, 2013Assignee: LG Chem, Ltd.Inventors: Jae-Ho Jung, Kum-Suek Seo, Jong-Sung Park
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Patent number: 8501287Abstract: The invention is generally directed to baby bottles and other articles produced by blow molding from polymeric materials having glass transition temperatures ranging from 100° C. to 130° C., as well as to processes for producing them. These articles can be exposed to boiling water and can be produced by using a suitable combination of a stretch ratio of less than 3 and a preform temperature at least 20° C. greater than the glass transition temperature (Tg) of the polymeric material.Type: GrantFiled: September 23, 2010Date of Patent: August 6, 2013Assignee: Eastman Chemical CompanyInventors: Thomas Joseph Pecorini, Spencer Allen Gilliam, Alan Keith Phillips, Robert Ellis McCrary
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Patent number: 8497002Abstract: An alignment film is given a 2-layer structure comprising a photoalignment film that is photoalignable and a low-resistivity alignment film whose resistivity is smaller than that of the photoalignment film. The photoalignment film is formed by a polyimide whose precursor is polyamide acid alkyl ester, the number molecular weight of the photoalignment film is large, and the stability of alignment of the photoalignment film by photoalignment is excellent. The low-resistivity alignment film is formed by a polyimide whose precursor is polyamide acid, the number molecular weight of the low-resistivity alignment film is small, and the resistivity of the low-resistivity alignment film is small. The 2-layer structure alignment film can be maintaining an excellent photoalignment characteristic, so DC afterimages can be controlled.Type: GrantFiled: September 16, 2009Date of Patent: July 30, 2013Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co. Ltd.Inventors: Chikae Matsui, Noboru Kunimatsu, Hidehiro Sonoda
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Patent number: 8497003Abstract: A glucose compound represented by Formula (I): wherein, R11 and R12 each independently represent an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 2 to 10 carbon atoms, wherein one CH2 group or two or more non-adjacent CH2 groups in the alkyl and alkenyl groups may be replaced by O; L1 represents —OCO—*, —OCH2—* (binding to B at the * side), or a single bond; A and B each independently represent a trans-1,4-cyclohexylene group which may be substituted or a 1,4-phenylene group which may be substituted; and R13 and R14 each independently represent a hydrogen atom or an acyl group having 1 to 10 carbon atoms; and a cellulose composition, a cellulose film, an optical film, a polarizing plate, a liquid crystal display device, and a retardation-increasing agent which have the glucose compound.Type: GrantFiled: March 30, 2010Date of Patent: July 30, 2013Assignee: FUJIFILM CorporationInventors: Satoshi Shimamura, Yoshiaki Hisakado, Naoyuki Nishikawa
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Publication number: 20130188120Abstract: The present invention relates to a light-sensitive compound, a polymer formed by using the compound, and a production method of the compound and polymer. More particularly, the present invention relates to a unit compound that exhibits light-sensitivity with respect to three different wavelengths, a polymer having light-sensitive, which is polymerized by using the unit compound as a monomer, and a production method of the compound and polymer. The light-sensitive compound and the polymer according to the present invention may be usefully applied to an optical film.Type: ApplicationFiled: June 30, 2010Publication date: July 25, 2013Applicant: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITYInventors: Dong Hack Suh, Won Jung Kim, Yun Cheol Yang, Dong Wan Han, Hong Jun Ahn, Jun Yong Hwang, Kyung Mi Lee, Hyun Jin Lee, Seong Heun Cho, Ga Young Han
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Publication number: 20130189449Abstract: A polarizing plate includes two protective films and a polarizer provided between the two protective films, and the polarizer has a thickness of 3 ?m to 18 ?m, at least one of the protective films has a thickness of 3 ?m to 40 ?m and contains at least one resin and a compound in an amount of 1 part by mass to 20 parts by mass based on 100 parts by mass of the resin, the compound having at least one hydrogen-donating group capable of forming a hydrogen bond and a ratio of molecular weight to number of aromatic rings of 300 or less, and the polarizing plate has a thickness of 15 ?m to 70 ?m.Type: ApplicationFiled: January 24, 2013Publication date: July 25, 2013Applicant: FUJIFILM CORPORATIONInventor: FUJIFILM CORPORATION
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Patent number: 8470413Abstract: Disclosed is a negative C-type retardation compensator for a liquid crystal display. The negative C-type retardation compensator for the liquid crystal display includes polyarylate having a thio group or a sulfur oxide group in a polymer main chain thereof. Accordingly, the retardation compensator has an absolute value of negative retardation that is larger in a thickness direction than a retardation compensator which includes polyarylate having no thio group or sulfur oxide group in a polymer main chain thereof even though the retardation compensator having the thio group or sulfur oxide group and the retardation compensator having no thio group or sulfur oxide group are the same as each other in thickness. Thereby, the negative C-type retardation compensator for liquid crystal displays is capable of being desirably applied to the liquid crystal displays.Type: GrantFiled: January 11, 2007Date of Patent: June 25, 2013Assignee: LG Chem, Ltd.Inventors: Hee-Jung Kim, Dong-Ryul Kim, Ho-Jun Lee, Sang-Uk Ryu, Hyo-Sun Lee, Boong-Goon Jeong, Dae-Woo Nam, Ju-Eun Cha
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Patent number: 8445081Abstract: A polarizing plate protective film comprising a cellulose ester, and a saccharide ester compound in which all or a part of OH groups in Compound (A) or in Compound (B) are esterified, wherein Compound (A) consists of one of a furanose structure and a pyranose structure, and Compound (B) consists of two to twelve of at least one type of a furanose structure and a pyranose structure which are bonded in Compound (B); wherein the polarizing plate protective film exhibits Ro of 0-10 nm and Rt of ?30 to +20 nm.Type: GrantFiled: July 25, 2007Date of Patent: May 21, 2013Assignee: Konica Minolta Opto, Inc.Inventors: Takashi Murakami, Noriyasu Kuzuhara, Minori Tamagawa
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Publication number: 20130120839Abstract: There is provided a cellulose acylate film, containing a hindered amin-based compound, wherein the hindered amine-based compound is contained in an amount of 0.001% by mass to 5% by mass based on cellulose acylate, a minimum value of Knoop hardness is 170 N/mm2 to 220 N/mm2, and the Knoop hardness is measured several times by a Knoop indenter, the Knoop indenter is rotated by a given angle in each measurement, and a rotation axis of the Knoop indenter is orthogonal to an upper surface of the cellulose acylate film.Type: ApplicationFiled: November 13, 2012Publication date: May 16, 2013Applicant: FUJIFILM CORPORATIONInventor: FUJIFILM CORPORATION
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Patent number: 8435610Abstract: A copolymer of (meth)acrylic ester represented by a general formula (1) including a following repeating unit A and repeating unit B. In the general formula (1), R1 and R2 each independently represent hydrogen atom or methyl group; R3 represents an alkyl group having 1 to 4 carbon atoms; Y represents an atomic group forming an aromatic ring; x represents 1 to n, n represents the number of fluorine atoms which can be contained in the aromatic ring; and a and b each independently represent an integer of 1 or more.Type: GrantFiled: October 5, 2006Date of Patent: May 7, 2013Assignee: Japan Science and Technology AgencyInventors: Yasuhiro Koike, Yoshiyuki Okamoto, Akihiro Tagaya
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Publication number: 20130108807Abstract: Provided is twisted-alignment-mode liquid crystal display wherein frame-like light leakage can be reduced. The twisted-alignment-mode liquid crystal display comprises a pair of polarizers disposed so that the polarization axes are orthogonal to each other; a twisted-alignment-mode liquid crystal cell disposed between the polarizers; and a low-substitution layer comprising cellulose acylate satisfying 2.0<Z1<2.7 as a main component, where Z1 represents the total degree of substitution of acyl groups of the cellulose acylate in the low-substitution layer.Type: ApplicationFiled: December 12, 2012Publication date: May 2, 2013Applicant: FUJIFILM CORPORATIONInventor: FUJIFILM CORPORATION
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Publication number: 20130107175Abstract: A film containing a cellulose acylate, a hindered amine compound at least 0.001% by mass relative to the cellulose acylate, and a plasticizer, satisfying: (i) the concentration C1 of the hindered amine compound 3 ?m from the first film surface is higher than the concentration C2 3 ?m from the second film surface; (ii) the concentration A of the plasticizer 3 ?m from the first film surface is lower than the concentration B 10 ?m from the first film surface; (iiia) the 15 acyl substitution degree a of the cellulose acylate 3 ?m from the first film surface is lower than the acyl substitution degree b 10 ?m from the first film surface; and (iiib) the 20 weight-average molecular weight Ma of the cellulose acylate 3 ?m from the first film surface is higher than the weight-average molecular weight Mb 10 ?m from the first film surface.Type: ApplicationFiled: October 30, 2012Publication date: May 2, 2013Applicant: FUJIFILM CorporationInventor: FUJIFILM Corporation
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Patent number: 8416369Abstract: A polarizer protective film containing a cellulose acylate having a total acyl substitution degree of from 2.2 to less than 2.5 and a polymer prepared by polymerizing an acrylate ester or a methacrylate ester.Type: GrantFiled: March 5, 2007Date of Patent: April 9, 2013Assignee: Konica Minolta Opto, Inc.Inventor: Shigeki Oka
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Patent number: 8389621Abstract: A thermosetting resin composition for producing a color filter for a CMOS image sensor is provided. The thermosetting resin composition comprises an organic solvent and a self-curing copolymer having structural units represented by Formulae 1, 2, 3 and 4, which are described in the specification.Type: GrantFiled: October 29, 2010Date of Patent: March 5, 2013Assignee: Cheil Industries Inc.Inventors: O Bum Kwon, Kil Sung Lee, Jae Hyun Kim, Jung Hyun Kim
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Publication number: 20130045340Abstract: Provided is a cellulose acetate film which has excellent retardation properties and exhibits low haze even under high-temperature and high-humidity conditions and which, in an alkaline saponification step, causes little dissolution of the film itself or additives in a saponifying liquid. The cellulose acetate film is characterized by comprising: a cellulose acetate which has an acetyl substitution degree of 2.0 to 2.5; and 5 to 15% by mass (relative to the cellulose acetate) of a component which contains a compound represented by general formula (1) wherein m is 0 and a compound represented thereby wherein in is more than 0 at a ratio of 45:55 to 0:100.Type: ApplicationFiled: April 4, 2011Publication date: February 21, 2013Applicant: KONICA MINOLTA ADVANCED LAYERS, INC.Inventor: Hideyuki Sato
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Patent number: 8354148Abstract: An optical compensation polarizing plate comprising: a first transparent protective film; a polarizer; a second transparent protective film; and an optical compensation layer in this order, wherein at least one of the first and second transparent protective films is a cellulose acylate film having a retardation value in plane Re (nm) and a retardation value in film thickness direction Rth (nm) which fulfill the following formulae (I) and (II), and Nz and Re1 defined by the following formulae (III) and (IV), of the optical compensation layer fulfill the following formulae (V) and (VI): (I) |Re|?10, (II) |Rth|?25, (III) Nz=(nx1?nz1)/(nx1?ny1), (IV) Re1=(nx1?ny1)×d1, (V) 0.4?Nz?0.Type: GrantFiled: May 17, 2005Date of Patent: January 15, 2013Assignee: FUJIFILM CorporationInventors: Hajime Nakayama, Tadashi Ito, Takako Nishiura
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Patent number: 8304040Abstract: A polymer is swollen in a first tank. The swelling temperature is in the range of ?10 to 50° C. The mixture is cooled in a first cooling vessel to the range of ?100 to ?10° C., and thereafter heated in a heating device to the range of 0 to 57° C. The polymer is cellulose acylate in which a degree of substitution of the acyl group for hydroxyl group is at least 2.87. A film obtained from the cellulose acylate has a negative value of ?Re and a positive value of ?Rth, and |?Rth| is at least 10 nm. ?Re and ?Rth are respective difference of Re and Rth at the measurement thereof with use of wavelengths between 700 nm and 400 nm. The film is used adequately as a birefringence film, a protective film for a polarizing filter in a liquid crystal display.Type: GrantFiled: January 26, 2005Date of Patent: November 6, 2012Assignee: FUJIFILM CorporationInventor: Yasuyuki Sasada
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Patent number: 8287970Abstract: The invention is generally directed to baby bottles and other articles produced by blow molding from polymeric materials having glass transition temperatures ranging from 100° C. to 130° C., as well as to processes for producing them. These articles can be exposed to boiling water and can be produced by using a suitable combination of a stretch ratio of less than 3 and a preform temperature at least 20° C. greater than the glass transition temperature (Tg) of the polymeric material.Type: GrantFiled: November 20, 2008Date of Patent: October 16, 2012Assignee: Eastman Chemical CompanyInventors: Thomas Joseph Pecorini, Spencer Allen Gilliam, Alan Keith Phillips
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Publication number: 20120258263Abstract: A cellulose acylate film containing cellulose acylate and a polymer, the polymer containing a repeating unit derived from a monomer represented by formula (1); a polarizing plate containing a polarizing element and two protective films disposed on both sides of the polarizing element, at least one of the two protective films being made of the cellulose acylate film described above; and a liquid crystal display device containing a liquid crystal cell and two polarizing plates disposed on both sides of the liquid crystal cell, at least one of the polarizing plates being made of the polarizing plate described above: wherein R1 represents a hydrogen atom or an aliphatic group having 1 to 4 carbon atoms, and R2 represents an aliphatic group or an aromatic group.Type: ApplicationFiled: April 9, 2012Publication date: October 11, 2012Applicant: FUJIFILM CORPORATIONInventors: Akio TAMURA, Kengo ASAI
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Publication number: 20120251739Abstract: An optical film comprising a cellulose ester film and, as formed on at least one surface thereof, a hard coat layer having a thickness of from 0.1 to 6 ?m, wherein the tensile elastic modulus of the cellulose ester film both in the machine direction (MD) thereof and in the direction transverse to the machine direction (TD) thereof is at least 4.0 GPa.Type: ApplicationFiled: March 22, 2012Publication date: October 4, 2012Applicant: FUJIFILM CORPORATIONInventors: Yumi KATO, Kazuo KAMOHARA, Mamoru SAKURAZAWA
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Patent number: 8278443Abstract: The present invention relates to a resin composition for an optical film, comprising a polyarylate resin and an amino resin having a triazine structure, and to an optical film prepared by using the same. By using the resin composition for an optical film, a thickness direction retardation can be controlled, while having a negative value, during a step of fabricating the optical film, an in-plane retardation can be controlled, and the optical film can be used as a substrate of a display instead of a glass substrate without an additional retardation compensation film.Type: GrantFiled: January 4, 2008Date of Patent: October 2, 2012Assignee: LG Chem, Ltd.Inventors: Sang-Uk Ryu, Dong-Ryul Kim, Dae-Woo Nam
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Patent number: 8257621Abstract: A transparent polymer film satisfying Rth/Re??0.39, Re>0 and Rth<0 and having a moisture permeability of 100-2000 g/(m2·day) at 40° C. and a relative humidity of 90%, and not containing an additive composition that raises Rth by at least 8 nm.Type: GrantFiled: February 22, 2007Date of Patent: September 4, 2012Assignee: FUJIFILM CorporationInventor: Yasuyuki Sasada