公开(公告)号：US20120180697A1

公开(公告)日：2012-07-19

申请号：US13498865

申请日：2010-09-29

申请人： Nobutaka Fukagawa ,  Masato Nagura ,  Takayasu Yasuda ,  Takahiro Ohno ,  Satoshi Tanaka ,  Aiko Harada ,  Aiko Yoshida ,  Shinya Watanabe

发明人： Nobutaka Fukagawa ,  Masato Nagura ,  Takayasu Yasuda ,  Takahiro Ohno ,  Satoshi Tanaka ,  Aiko Harada ,  Aiko Yoshida ,  Shinya Watanabe

IPC分类号： C08L1/02

CPC分类号： G02B5/3083 ,  B32B23/08 ,  B32B23/20 ,  B32B27/06 ,  B32B27/18 ,  B32B27/30 ,  C08B3/22 ,  C08B15/005 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/103 ,  C08K5/151 ,  C08K5/34 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1041 ,  C08L67/02

摘要： Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3.

摘要翻译： 提供一种纤维素酰化物膜，其环境湿度依赖性延迟变化小，并且当粘附到偏振器并在高温和高湿度环境中使用时，对防止偏振元件劣化是有效的。 含有满足以下要求（A）至（C）的氢键化合物的纤维素酰化物膜和至少一种选自多元醇酯基疏水化剂，缩聚酯酯基疏水化剂和碳水化合物的疏水化剂 衍生物基疏水化剂：（A）该化合物在一个分子中具有氢键供体部分和氢键受体部分，（B）将化合物的分子量除以总数 化合物中的氢键供体数和氢键受体数为30〜65，（C）化合物中芳环结构的总数为1〜3。

公开(公告)号：US08178601B2

公开(公告)日：2012-05-15

申请号：US12204438

申请日：2008-09-04

申请人： Nobutaka Fukagawa ,  Masaki Noro ,  Teruki Niori

发明人： Nobutaka Fukagawa ,  Masaki Noro ,  Teruki Niori

IPC分类号： C08K5/34 ,  F21V9/06

CPC分类号： G02B5/3083 ,  C07C311/34 ,  C07C317/48

摘要： A polymer film includes: a wavelength dispersion regulator represented by formula (I): wherein R1 and R2 each independently represents a hydrogen atom, an alkyl group or an aryl group, provided that both R1 and R2 are not hydrogen atoms at the same time; and R3 and R4 each independently represents an electron-withdrawing substituent, and R1 and R2, or R3 and R4 may be bonded together to form a ring, and wherein the polymer film has a retardation value that satisfies the following formulae (1) and (2): 70 nm≦Rth(548)≦300 nm  Formula (1) Rth(628)

摘要翻译： 聚合物膜包括：由式（I）表示的波长色散调节剂：其中R 1和R 2各自独立地表示氢原子，烷基或芳基，条件是R 1和R 2不同时为氢原子; R3和R4各自独立地表示吸电子取代基，R1和R2或R3和R4可以键合在一起形成环，其中聚合物膜具有满足下式（1）和（ 2）：70nm＆nlE; Rth（548）＆nlE; 300nm式（1）Rth（628）

公开(公告)号：US07981488B2

公开(公告)日：2011-07-19

申请号：US11916318

申请日：2006-06-06

申请人： Nobutaka Fukagawa ,  Hiromoto Haruta ,  Yutaka Nozoe

发明人： Nobutaka Fukagawa ,  Hiromoto Haruta ,  Yutaka Nozoe

IPC分类号： G02F1/335 ,  G02F1/13363

CPC分类号： G02F1/13363 ,  G02B5/3083 ,  G02F2001/133635 ,  G02F2001/133637 ,  G02F2201/50 ,  G02F2202/40 ,  Y10T428/1036 ,  Y10T428/1041

摘要： A liquid crystal display device comprising a liquid crystal cell and two polarizing plates disposed on the both sides thereof, wherein a protective film satisfying the specific conditions of retardation is sandwitched each between the liquid crystal cell and the polarizing plates. The liquid crystal display device can be easily produced at low costs and has a low viewing angle dependency of color.

摘要翻译： 一种液晶显示装置，包括液晶单元和设置在其两侧的两个偏振片，其中，满足特定的延迟条件的保护膜分别在液晶单元和偏振片之间切换。 液晶显示装置可以容易地以低成本制造并且具有低的视角依赖于颜色。

公开(公告)号：US20090117294A1

公开(公告)日：2009-05-07

申请号：US12088193

申请日：2006-09-29

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

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

IPC分类号： C09K19/00

CPC分类号： G02B5/3033 ,  G02B5/3083 ,  G02F1/13363 ,  Y10T428/10 ,  Y10T428/1041

摘要： 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.

摘要翻译： 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Δalpha（= alphax-（alphay + alphaz）/ 2）的取代基的纤维素衍生物为2.5×10〜24cm 3以上，并且该膜具有面内相位差Re和厚度方向 延迟Rth满足各个不等式：| Rth（589）| <= 25nm和| Re（589）| <= 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：US20090085008A1

公开(公告)日：2009-04-02

申请号：US11919498

申请日：2006-10-24

申请人： Satoshi Tanaka ,  Shigeki Uehira ,  Nobutaka Fukagawa

发明人： Satoshi Tanaka ,  Shigeki Uehira ,  Nobutaka Fukagawa

IPC分类号： C07C69/78 ,  C07C235/46 ,  C09K3/00

CPC分类号： C07C69/92 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/101 ,  C08L1/02 ,  C08L1/12

摘要： A cellulose compound composition, containing at least one compound of formula (1): wherein R1 to R5 are a hydrogen atom or a substituent, and any one of R1 to R5 is -L3-Q1, in which Q1 is a group of formula Q1: in which * is a bonding hand for bonding with L3, R is a hydrogen atom or an alkyl group, m and r are an integer of 0 or more, R6 is a hydrogen atom or a substituent; L1, L2 and L3 are a single bond or a divalent linking group, Ar1 is an arylene or aromatic heterocyclic group, Ar2 represents an aryl or aromatic heterocyclic group, and n is an integer of 0 or more, in which two or more L2s and two or more Ar1s each may be the same or different from each other; and a film composed of the composition.

摘要翻译： 一种纤维素化合物组合物，其含有至少一种式（1）的化合物：其中R1至R5是氢原子或取代基，R1至R5中的任一个为-L3-Q1，其中Q1为式Q1的基团 ：其中*是与L3键合的键合物，R是氢原子或烷基，m和r是0以上的整数，R6是氢原子或取代基; L1，L2和L3是单键或二价连接基团，Ar 1是亚芳基或芳族杂环基团，Ar 2表示芳基或芳族杂环基，n是0以上的整数，其中两个以上的L2和 两个或更多个Ar1可以彼此相同或不同; 和由该组合物构成的薄膜。

公开(公告)号：US06489088B2

公开(公告)日：2002-12-03

申请号：US09805205

申请日：2001-03-14

申请人： Nobutaka Fukagawa ,  Shinichi Ichikawa ,  Masaru Yoshikawa

发明人： Nobutaka Fukagawa ,  Shinichi Ichikawa ,  Masaru Yoshikawa

IPC分类号： G03C810

CPC分类号： G03C8/08

摘要： A color diffusion-transfer photographic light-sensitive material provided with at least two light-sensitive silver halide emulsion layers, each of which is combined with a non-diffusive dye image forming compound forming or releasing a diffusive dye or its precursor in relation to silver development, or with a dye image forming compound whose diffusibility changes in relation to silver development, on a support, the light-sensitive material comprises a specific hydrazine compound and a specific compound improved in storability.

公开(公告)号：US20120186489A1

公开(公告)日：2012-07-26

申请号：US13499182

申请日：2010-09-24

申请人： Nobutaka Fukagawa ,  Takahiro Ohno ,  Naoyuki Nishikawa ,  Toshihiro Kamada

发明人： Nobutaka Fukagawa ,  Takahiro Ohno ,  Naoyuki Nishikawa ,  Toshihiro Kamada

IPC分类号： C09D101/02

CPC分类号： G02B5/3033 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/151 ,  C08L1/14 ,  G02B5/3083 ,  C08L1/10

摘要： A cellulose acylate film containing a cellulose acylate and a carbohydrate derivative satisfying that the Clog P value thereof is from 0 to 5.5 and the maximum value of the molar extinction coefficient thereof in a wavelength range of from 230 nm to 700 nm is at most 50×103, wherein the hydroxyl groups in the carbohydrate derivative are substituted with at least two types of substituents and at least one of the substituents has at least one aromatic ring, and wherein the carbohydrate derivative is contained in an amount of from 1 part by mass to 30 parts by mass relative to 100 parts by mass of the cellulose acylate therein has a low water content, capable of preventing the deterioration of polarizer when it is stuck to polarizer and aged in high-temperature and high-humidity environments, having good optical characteristics expressibility and having a low haze.

摘要翻译： 含有纤维素酰化物和满足Clog P值的碳水化合物衍生物的纤维素酰化物膜为0〜5.5，波长范围为230nm〜700nm的摩尔消光系数的最大值为50× 103，其中碳水化合物衍生物中的羟基被至少两种取代基取代，并且至少一个取代基具有至少一个芳环，并且其中所述碳水化合物衍生物的含量为1质量份到 30质量份相对于100质量份其中的纤维素酰化物具有低水含量，能够防止偏光片粘附在偏光片上时的劣化，并且在高温和高湿度环境下老化，具有良好的光学特性 表现力低，雾度低。

公开(公告)号：US20090290100A1

公开(公告)日：2009-11-26

申请号：US12085457

申请日：2006-11-24

申请人： Hiromoto Haruta ,  Osamu Takahashi ,  Yutaka Nozoe ,  Nobutaka Fukagawa ,  Mitsuyoshi Ichihashi ,  Hiroaki Sata ,  Tadashi Omatsu ,  Masaki Okazaki

发明人： Hiromoto Haruta ,  Osamu Takahashi ,  Yutaka Nozoe ,  Nobutaka Fukagawa ,  Mitsuyoshi Ichihashi ,  Hiroaki Sata ,  Tadashi Omatsu ,  Masaki Okazaki

IPC分类号： G02F1/1347 ,  G02B1/08 ,  G02F1/1335 ,  B29C39/00 ,  B29C55/02 ,  B32B23/08 ,  C08B15/00

CPC分类号： G02B5/3083 ,  C08J5/18 ,  C08J2301/10 ,  Y10T428/10 ,  Y10T428/24942 ,  Y10T428/31971

摘要： A method of producing a cellulose derivative film, the method comprising: forming a film with a solvent cast method from a dope including a cellulose derivative satisfying following conditions (a) and (b): (a) at least one among three hydroxyl groups included in a glucose unit of cellulose is substituted by a substituent of which a polarizability anisotropy Δα represented as following Expression (1) is 2.5×10−24 cm3 or higher: Expression (1): Δα=αx−(αy+αz)/2, wherein αx, αy and αz is as defined in the specification; and (b) when a substitution degree by a substituent of which Δα is 2.5×10−24 cm3 or higher is PA, and a substitution degree by a substituent of which Δα is lower than 2.5×10−24 cm3 is PB, the PA and PB satisfy following Expressions (3) and (4): Expression (3): 2PA+PB>3.0; and Expression (4): PA>0.2.

摘要翻译： 一种纤维素衍生物膜的制造方法，其特征在于，包括：由包含满足以下条件（a）和（b）的纤维素衍生物的涂布液，用溶剂流延法形成膜：（a）包含三个羟基中的至少一个 在纤维素的葡萄糖单元中，被其中以下表达式（1）表示的极化率各向异性Δαα的取代基取代为2.5×10-24 cm 3或更高：表达式（1）：Deltaalpha = alphax-（alphay + alphaz）/ 2， 其中alphax，alphay和alphaz如说明书中所定义; 和（b）当Δalpha为2.5×10〜24cm 3或更高的取代基的取代度为PA时，Deltaalpha低于2.5×10-24cm 3的取代基的取代度为PB，则PA和PB 满足以下表达式（3）和（4）：表达式（3）：2PA + PB> 3.0; 和表达式（4）：PA> 0.2。

公开(公告)号：US20090202748A1

公开(公告)日：2009-08-13

申请号：US12370814

申请日：2009-02-13

申请人： Nobutaka Fukagawa ,  Masaki Noro

发明人： Nobutaka Fukagawa ,  Masaki Noro

IPC分类号： C09K19/02 ,  B32B9/04 ,  C09K19/34

CPC分类号： C09K19/3491 ,  C09K19/3068 ,  C09K19/32 ,  C09K19/3477 ,  C09K19/348 ,  C09K19/3497 ,  C09K2019/3408 ,  Y10T428/10 ,  Y10T428/31504

摘要： A resin film includes at least one liquid crystalline compound and a plasticizer having an octanol/water partition coefficient of from −2 to 4 and a molecular weight of from 200 to 1,400.

摘要翻译： 树脂膜包括至少一种液晶化合物和辛醇/水分配系数为-2至4，分子量为200至1400的增塑剂。

公开(公告)号：US20090109379A1

公开(公告)日：2009-04-30

申请号：US12295122

申请日：2007-03-29

申请人： Nobutaka Fukagawa ,  Hiroaki Sata

发明人： Nobutaka Fukagawa ,  Hiroaki Sata

IPC分类号： G02F1/1335 ,  C08K5/43

CPC分类号： G02B5/3083 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/435 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  G02F1/133528

摘要： A polymer film satisfying the following formulae (1) to (4): −25 nm≦Rth(548)≦25 nm  (1) 0≦Rth(446)−Rth(548)≦50  (2) 0≦Rth(548)−Rth(629)≦20  (3) 0 nm≦Re(548)≦5 nm  (4) wherein Rth(λ) represents the value of Rth that is measured at a wavelength of λ nm.

摘要翻译： 满足下列公式（1）至（4）的聚合物膜：<？in-line-formula description =“In-line formula”end =“lead”？> - 25 nm <= Rth（548）<= 25 nm （1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line formula”end =“lead”？> 0 <= Rth（446）-Rth（548）<= 50（2）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line 公式“end =”lead“？> 0 <= Rth（548）-Rth（629）<= 20（3）<？in-line-formula description =”In-line Formulas“end =”tail“？> ？in-line-formula description =“In-line Formulas”end =“lead”？> 0 nm <= Re（548）<= 5 nm（4）<？in-line-formula description =“在线公式 “end =”tail“？>其中Rth（λ）表示在λnm的波长处测量的Rth的值。