公开(公告)号：US20130029122A1

公开(公告)日：2013-01-31

申请号：US13555852

申请日：2012-07-23

Applicant: Nobutaka FUKAGAWA ,  Yu NAITO ,  Yoshio ISHII ,  Jun TAKEDA ,  Akiko WATANO ,  Masaki NORO ,  Takeshi SENGA

Inventor： Nobutaka FUKAGAWA ,  Yu NAITO ,  Yoshio ISHII ,  Jun TAKEDA ,  Akiko WATANO ,  Masaki NORO ,  Takeshi SENGA

IPC: C08L1/12 ,  B29C41/42 ,  B29C41/32 ,  B32B3/00

CPC classification number: C08J5/18 ,  C08J2301/10 ,  C08K5/10 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  G02B5/305 ,  G02F1/133528 ,  G02F2201/50 ,  Y10T428/24975 ,  C08L67/02

Abstract: A resin film containing a resin and from 0.01% by mass to 20% by mass, relative to the resin, of an organic acid satisfying (1) The organic acid comprises structure in which a polyalcohol bonds to a polycarboxylic acid via an ester bond, (2) The total number of the molecules of the polyalcohol and the polycarboxylic acid forming the organic acid is at least 3, and (3) The organic acid has at least one unsubstituted carboxylic acid derived from the polycarboxylic acid.

Abstract translation: 含有树脂的树脂膜相对于树脂为0.01质量％〜20质量％，满足（1）的有机酸。有机酸包括其中多元醇通过酯键与多元羧酸键合的结构， （2）形成有机酸的多元醇和多元羧酸的分子的总数为3以上，（3）有机酸具有至少一种来自多元羧酸的未取代的羧酸。

公开(公告)号：US20120196142A1

公开(公告)日：2012-08-02

申请号：US13360316

申请日：2012-01-27

Applicant: Nobutaka FUKAGAWA ,  Kengo ASAI ,  Akio TAMURA

Inventor： Nobutaka FUKAGAWA ,  Kengo ASAI ,  Akio TAMURA

IPC: C08L1/10 ,  B32B27/28

CPC classification number: C08L1/12 ,  C08J5/18 ,  C08J2301/12 ,  C08J2301/14 ,  C08J2333/20 ,  C08L1/14 ,  C08L33/20 ,  Y10T428/31935

Abstract: A resin film containing a cellulose acylate and at least one of a polymer or an oligomer having a cyano group-comprising recurring unit in an amount of from 1.5 to 300% by mass of the cellulose acylate has a small photoelastic coefficient and a small moisture content and is excellent in transparency.

Abstract translation: 含有纤维素酰化物和具有含氰基的重复单元的聚合物或低聚物中的至少一种的树脂膜的量为纤维素酰化物的1.5〜300质量％，具有小的光弹性系数和小的水分含量 透明度优异。

公开(公告)号：US08221855B2

公开(公告)日：2012-07-17

申请号：US12088193

申请日：2006-09-29

Applicant: Tadashi Omatsu ,  Nobutaka Fukagawa ,  Hiromoto Haruta ,  Yutaka Nozoe ,  Tomohiro Ogawa ,  Hiroaki Sata

Inventor： Tadashi Omatsu ,  Nobutaka Fukagawa ,  Hiromoto Haruta ,  Yutaka Nozoe ,  Tomohiro Ogawa ,  Hiroaki Sata

IPC: C09K19/00

CPC classification number: G02B5/3033 ,  G02B5/3083 ,  G02F1/13363 ,  Y10T428/10 ,  Y10T428/1041

Abstract: A cellulose derivative film having high optical isotropy over the whole visible region and high durability against high temperature and humidity conditions is provided. The film contains a cellulose derivative having a substituent the polarizability anisotropy Δα (=αx−(αy+αz)/2) of which is 2.5×10−24 cm3 or more, and the film has an in-plane retardation Re and a thickness direction retardation Rth satisfying the respective inequalities: |Rth(589)|≦25 nm and |Re(589)|≦10 nm. Also provided are an optical compensation film, a polarizing plate, and a liquid crystal device that use the cellulose derivative film and exhibit excellent viewing angle characteristics and durability.

Abstract translation: 提供了在整个可见区域具有高光学各向同性并且对高温和高湿条件具有高耐久性的纤维素衍生物膜。 该膜含有具有极化率各向异性的取代基的纤维素衍生物（Dgr;α（=αx-（αy+αz）/ 2）为2.5×10-24cm3以上，该膜具有面内相位差Re， 厚度方向延迟Rth满足各个不等式：| Rth（589）|＆nlE; 25nm和| Re（589）|＆nlE; 10nm。 还提供了使用纤维素衍生物膜并且具有优异的视角特性和耐久性的光学补偿膜，偏振片和液晶装置。

公开(公告)号：US08089593B2

公开(公告)日：2012-01-03

申请号：US11884889

申请日：2006-03-17

Applicant: Hiromoto Haruta ,  Nobutaka Fukagawa ,  Osamu Uchida ,  Aiko Yoshida ,  Kunihiro Atsumi

Inventor： Hiromoto Haruta ,  Nobutaka Fukagawa ,  Osamu Uchida ,  Aiko Yoshida ,  Kunihiro Atsumi

IPC: G02F1/1335

CPC classification number: G02B5/3083 ,  C08K5/10 ,  C08K5/523 ,  G02B1/105 ,  G02B1/14 ,  G02B5/3033 ,  G02F1/133528

Abstract: An optical resin film is provided, in which a wavelength dispersion of a retardation in planar direction and a wavelength dispersion of a retardation in thickness direction are independently controlled, is provided and has at least an additive having a negative intrinsic birefringence.

Abstract translation: 提供一种光学树脂膜，其中独立地控制平面方向上的延迟的波长色散和厚度方向上的延迟的波长色散，并且至少具有负的固有双折射的添加剂。

公开(公告)号：US20100245728A1

公开(公告)日：2010-09-30

申请号：US12750083

申请日：2010-03-30

Applicant: Satoshi SHIMAMURA ,  Nobutaka Fukagawa

Inventor： Satoshi SHIMAMURA ,  Nobutaka Fukagawa

IPC: G02F1/1335 ,  B32B23/00 ,  G02B1/10 ,  C08G61/02

CPC classification number: G02B5/3033 ,  C08J5/18 ,  C08J2301/10 ,  C08J2301/12 ,  C08L1/10 ,  C08L1/12 ,  C08L61/18 ,  G02F1/133528 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/105 ,  Y10T428/31971 ,  C08L2666/16

Abstract: 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.

Abstract translation: 包含酮化合物 - 甲醛聚合物的还原产物的酰基改性化合物的纤维素酰化物膜，包含该膜作为透明保护膜的偏振片和具有偏振片的液晶显示装置。

公开(公告)号：US07651743B2

公开(公告)日：2010-01-26

申请号：US11445222

申请日：2006-06-02

Applicant: Nobutaka Fukagawa ,  Mitsuo Yoshikane

Inventor： Nobutaka Fukagawa ,  Mitsuo Yoshikane

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/13363

CPC classification number: C08J5/18 ,  C08J2301/10 ,  Y10T428/1041 ,  Y10T428/105 ,  Y10T428/1077

Abstract: A cellulose acylate film that has a crystallization index expressed by expression (A) as defined in the specification of from 0.70 to 1.02 and a modulus of elasticity in every arbitrary direction of an in-plane of the cellulose acylate film of from 3,800 MPa to 6,000 MPa; a manufacturing method of a cellulose acylate film comprising: casting a dope on a support; drying the dope on the support, so as to form a film; peeling the film from the support; and subjecting the film to a stretching treatment, wherein a crystallization index expressed by expression (A) of the film after peeling and before stretching is from 0.70 to 1.00; an optically compensatory sheet comprising the cellulose acylate film; and a polarizing plate and a liquid crystal display device using the optically compensatory sheet.

Abstract translation: 具有由说明书中规定的表达式（A）表示的结晶指数为0.70〜1.02的纤维素酰化物膜，纤维素酰化物膜的面内任意方向的弹性模量为3,800MPa〜6,000 MPa; 一种纤维素酰化物膜的制造方法，包括：在支持体上涂布涂料; 将支架上的涂料干燥，形成薄膜; 从支架上剥离薄膜; 并对该膜进行拉伸处理，其中由剥离后和拉伸前的膜的表达式（A）表示的结晶指数为0.70〜1.00; 包含纤维素酰化物膜的光学补偿片; 以及使用光学补偿片的偏振片和液晶显示装置。

公开(公告)号：US07646457B2

公开(公告)日：2010-01-12

申请号：US11496432

申请日：2006-08-01

Applicant: Nobutaka Fukagawa ,  Hiromoto Haruta ,  Hiroaki Sata

Inventor： Nobutaka Fukagawa ,  Hiromoto Haruta ,  Hiroaki Sata

IPC: G02F1/1335

CPC classification number: G02F1/13363 ,  G02B1/105 ,  G02B1/14 ,  G02B5/3033 ,  G02B5/3091 ,  G02F1/133634 ,  G02F2001/133635 ,  G02F2001/133637 ,  G02F2201/50 ,  G02F2202/40 ,  G02F2203/05 ,  G02F2413/03

Abstract: A liquid crystal display device comprising a liquid crystal cell, two polarizing plates having a polarizer and a protective film satisfying (1) and (2) below, and an optical compensatory film satisfying (3)-(8) below and disposed between the liquid crystal cell and the polarizer: 0 nm≦Re(λ)≦5 nm  (1) −20 nm≦Rth(λ)≦20 nm  (2) 20 nm

Abstract translation: 一种液晶显示装置，包括液晶单元，具有偏振器的两个偏振片和满足下述（1）和（2）的保护膜，以及满足下述（3） - （8）的光学补偿膜并且设置在液体 晶体单元和偏振器：0nm <= Re（λ）-20nm <= Rth（λ）20nm

公开(公告)号：US20090251650A1

公开(公告)日：2009-10-08

申请号：US11990737

申请日：2006-08-22

Applicant: Nobutaka Fukagawa ,  Hajime Nakayama ,  Yusuke Ohashi

Inventor： Nobutaka Fukagawa ,  Hajime Nakayama ,  Yusuke Ohashi

IPC: G02F1/13363

CPC classification number: G02F1/133634 ,  G02F1/1393

Abstract: A liquid crystal display device comprising a first polarizer, a first retardation film satisfying (1) to (6) below, a liquid crystal cell, a second retardation film satisfying (7) to (12) below, a second polarizer in this order wherein the absorption axis of the first and second polarizer and the slow axis of the first and second retardation film are substantially in parallel, respectively: 10 nm

Abstract translation: 一种液晶显示装置，包括第一偏振器，满足下述（1）至（6）的第一延迟膜，液晶单元，满足下述（7）至（12）的第二延迟膜，第二偏振器，其顺序为 第一和第二偏振器的吸收轴和第一和第二延迟膜的慢轴分别基本平行：10nmRe（548）20nmRth（548）1.0Re（446）/ Re（548）0.5Re（ 628）/ Re（548）1.0Rth（446）/ Rth（548）0.5Rth（628）/ Rth（548）40nmRe（548）20nmRth（548）0.5Re（446）/ Re 628）/ Re（548）0.5Rth（446）/ Rth（548）0.5Rth（628）/ Rth（548）

公开(公告)号：US07462382B2

公开(公告)日：2008-12-09

申请号：US10535248

申请日：2003-12-16

Applicant: Yoji Ito ,  Tomokazu Yasuda ,  Nobutaka Fukagawa ,  Makoto Tanaka ,  Keiji Mihayashi

Inventor： Yoji Ito ,  Tomokazu Yasuda ,  Nobutaka Fukagawa ,  Makoto Tanaka ,  Keiji Mihayashi

IPC: G02F1/13363 ,  B05D1/34

CPC classification number: G02B5/3016 ,  G02F1/13363 ,  Y10T428/1041 ,  Y10T428/105 ,  Y10T428/1077

Abstract: The present invention provides a method for producing an optical compensating sheet, comprising a step of simultaneously coating at least two coating solutions on a transparent support, wherein at least one of the coating solutions simultaneously coated in that step contains a liquid crystalline compound and another coating solution contains a surface active agent; an optical compensating sheet obtained by this method; an optical film comprising a support having thereon an optically anisotropic layer formed containing a liquid crystalline compound and a fluoroaliphatic group-containing copolymer containing a repeating unit derived from a fluoroaliphatic group-containing (meth)acrylate monomer and a repeating unit derived from a polyoxyalkylene (meth)acrylate monomer; and a polarizing plate and a liquid crystal display device each using the optical compensating sheet or optical film.

Abstract translation: 本发明提供了一种光学补偿片的制造方法，包括在透明支撑体上同时涂覆至少两种涂布液的步骤，其中在该步骤中同时涂布的至少一种涂布溶液含有液晶化合物和另一涂层 溶液含有表面活性剂; 通过该方法获得的光学补偿片; 一种光学膜，包括其上具有包含液晶化合物的光学各向异性层的支撑体和含有含氟脂族基团的（甲基）丙烯酸酯单体的衍生自聚氧化烯的重复单元的含氟脂族基团的共聚物 甲基）丙烯酸酯单体; 以及各自使用光学补偿片或光学膜的偏振片和液晶显示装置。

公开(公告)号：US20060040070A1

公开(公告)日：2006-02-23

申请号：US10535248

申请日：2003-12-16

Applicant: Yoji Ito ,  Tomokazu Yasuda ,  Nobutaka Fukagawa ,  Makoto Tanaka ,  Keiji Mihayashi

Inventor： Yoji Ito ,  Tomokazu Yasuda ,  Nobutaka Fukagawa ,  Makoto Tanaka ,  Keiji Mihayashi

IPC: C09K19/00

CPC classification number: G02B5/3016 ,  G02F1/13363 ,  Y10T428/1041 ,  Y10T428/105 ,  Y10T428/1077

Abstract: The present invention provides a method for producing an optical compensating sheet, comprising a step of simultaneously coating at least two coating solutions on a transparent support, wherein at least one of the coating solutions simultaneously coated in that step contains a liquid crystalline compound and another coating solution contains a surface active agent; an optical compensating sheet obtained by this method; an optical film comprising a support having thereon an optically anisotropic layer formed containing a liquid crystalline compound and a fluoroaliphatic group-containing copolymer containing a repeating unit derived from a fluoroaliphatic group-containing (meth)acrylate monomer and a repeating unit derived from a polyoxyalkylene (meth)acrylate monomer; and a polarizing plate and a liquid crystal display device each using the optical compensating sheet or optical film.

Abstract translation: 本发明提供了一种光学补偿片的制造方法，包括在透明支撑体上同时涂覆至少两种涂布液的步骤，其中在该步骤中同时涂布的至少一种涂布溶液含有液晶化合物和另一涂层 溶液含有表面活性剂; 通过该方法获得的光学补偿片; 一种光学膜，包括其上具有包含液晶化合物的光学各向异性层的支撑体和含有含氟脂族基团的（甲基）丙烯酸酯单体的衍生自聚氧化烯的重复单元的含氟脂族基团的共聚物 甲基）丙烯酸酯单体; 以及各自使用光学补偿片或光学膜的偏振片和液晶显示装置。