公开(公告)号：US08580358B2

公开(公告)日：2013-11-12

申请号：US11473750

申请日：2006-06-23

申请人： Takashi Takebe ,  Kunio Shimizu ,  Koji Tasaka ,  Shigeki Oka

发明人： Takashi Takebe ,  Kunio Shimizu ,  Koji Tasaka ,  Shigeki Oka

IPC分类号： G02F1/1335

CPC分类号： G02B5/3083 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/103 ,  C08L1/10 ,  C08L1/14 ,  C08L33/10 ,  C08L67/02 ,  G02F1/13363 ,  G02F1/134363 ,  G02F2202/40 ,  Y10T428/105 ,  C08L2666/18 ,  C08L2666/02 ,  C08L2666/26

摘要： 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.

摘要翻译： 一种含有式（1）或（2）所示的聚酯的纤维素酯膜，其中面内延迟值（Ro）为0〜5nm，厚度方向（Rt）的延迟值为-20〜10nm 在23℃和55％RH下测定Ro和Rt：B1-（GA-）mG-B1（1）其中B1：一元羧酸，G：二元醇，A：二元酸，B1，G和A含有 无芳环，m：重复数，多个B1可以相同或不同，多个G可以相同或不同; 和B2-（AG-）nA-B2型（2）其中B2：一元醇，G：二元醇，A：二元酸，条件是B2，G和A都不含芳香环，n：重复数，多个B2可以 相同或不同，并且复数G可以相同或不同。

公开(公告)号：US20070048462A1

公开(公告)日：2007-03-01

申请号：US11473750

申请日：2006-06-23

申请人： Takashi Takebe ,  Kunio Shimizu ,  Koji Tasaka ,  Shigeki Oka

发明人： Takashi Takebe ,  Kunio Shimizu ,  Koji Tasaka ,  Shigeki Oka

IPC分类号： C09K19/00

CPC分类号： G02B5/3083 ,  C08J5/18 ,  C08J2301/10 ,  C08K5/103 ,  C08L1/10 ,  C08L1/14 ,  C08L33/10 ,  C08L67/02 ,  G02F1/13363 ,  G02F1/134363 ,  G02F2202/40 ,  Y10T428/105 ,  C08L2666/18 ,  C08L2666/02 ,  C08L2666/26

摘要： 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.

摘要翻译： 一种含有式（1）或（2）所示的聚酯的纤维素酯膜，其中面内延迟值（Ro）为0〜5nm，厚度方向（Rt）的延迟值为-20〜10nm 在23℃和55％RH下测量Ro和Rt：<？in-line-formula description =“In-line Formulas”end =“lead”？> B <1> 式（1）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中B＆lt;＆lt; 1：一元羧酸，G：二元醇，A：二元酸，B 1，G和A不含芳环，m：重复数，多个B 1， 可以相同或不同，并且多个G可以相同或不同; 和<？in-line-formula description =“In-line Formulas”end =“lead”？> B <2> - （AG - ） 式（2）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中B 2：一元醇，G：二元醇，A： 二元酸，只要B 2，G和A都不含有芳环，n：重复数，多个B 2可以相同或不同，并且多个G 可能是相同或不同的。

公开(公告)号：US20090207491A1

公开(公告)日：2009-08-20

申请号：US12305213

申请日：2007-06-11

申请人： Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

发明人： Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

IPC分类号： G02B5/30 ,  G02B1/08

CPC分类号： G02B5/305 ,  G02B1/08 ,  G02B1/105 ,  G02B1/14 ,  G02B5/3083 ,  G02F1/133528 ,  G02F2201/50 ,  Y10T428/105

摘要： A polarizing plate protective film forming a polarizing plate by sandwiching a polarizer with two of the polarizing plate protective films, wherein at least one of the two polarizing plate protective films exhibits Ro defined by Expression (I) of 0 to 10 mm and Rt defined by Expression (II) of −20 to 20 mm, and also at least one of the polarizing plate protective films has a hard coat layer: Expression (I): Ro=(nx−ny)×d; Expression (II): Rt={(nx+ny)/2−nz}×d; wherein nx is a refractive index in a delayed phase axis direction in a plane of the polarizing plate protective film, ny is a refractive index in a direction at right angles to the delayed phase axis in the plane, nz is a refractive index in a film thickness direction, and d is a film thickness (nm).

摘要翻译： 一种偏振片保护膜，其通过将偏振片夹持在两个偏振片保护膜中而形成偏光板，其中两个偏振片保护膜中的至少一个表现为由表达式（I）定义为0至10mm的R o，并且由 表达式（II）为-20〜20mm，并且至少一个偏振片保护膜具有硬涂层：表达式（I）：Ro =（nx-ny）xd; 表达式（II）：Rt = {（nx + ny）/ 2-nz} xd; 其中nx是偏振片保护膜的平面中的延迟相位轴方向的折射率，ny是与平面中的延迟相位轴成直角的方向的折射率，nz是膜中的折射率 厚度方向，d为膜厚（nm）。

公开(公告)号：US07749578B2

公开(公告)日：2010-07-06

申请号：US11445580

申请日：2006-06-02

申请人： Shigeki Oka ,  Kunio Shimizu ,  Takashi Takebe

发明人： Shigeki Oka ,  Kunio Shimizu ,  Takashi Takebe

IPC分类号： G02F1/13363

CPC分类号： C08J5/18 ,  C08J2301/10 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  G02B5/3033 ,  G02F1/133528 ,  G02F2201/086 ,  Y10T428/1041 ,  Y10T428/105 ,  Y10T428/31971

摘要： An object of the present invention is to provide a polarizing plate protective film exhibiting a reduced variation value retardation, which is highly stable against polarizing plate degradation, polarizing plate dimension, and polarizing plate curl. Disclosed is a cellulose ester film possessing cellulose ester, polymer X having a weight average molecular weight of 2000-30000 prepared by copolymerizing ethylenic unsaturated monomer Xa containing no aromatic ring and hydrophilic group within a molecule and ethylenic unsaturated monomer Xb containing no aromatic ring but a hydrophilic group within a molecule, and polymer Y having a weight average molecular weight of 500-3000 prepared by polymerizing ethylenic unsaturated monomer Ya containing no aromatic ring.

摘要翻译： 本发明的目的是提供一种对偏振片劣化，偏振片尺寸和偏振板卷曲高度稳定的减小的变化值延迟的偏振片保护膜。 公开了具有纤维素酯的纤维素酯膜，分子内不含有芳香环的烯键式不饱和单体Xa和不含芳环的烯键式不饱和单体Xb，通过共聚而得到的重均分子量为2000-30000的聚合物X， 分子内的亲水性基团和通过聚合不含芳香环的烯属不饱和单体Ya制备的重均分子量为500-3000的聚合物Y。

公开(公告)号：US20070048459A1

公开(公告)日：2007-03-01

申请号：US11509724

申请日：2006-08-25

申请人： Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

发明人： Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

IPC分类号： C09K19/00

CPC分类号： G02B5/3016 ,  Y10T428/1036 ,  Y10T428/1041

摘要： A polarizing plate includes two transparent supports A and B; and a polarizer sandwiched between the two transparent supports A and B; wherein (i) the transparent support A is a stretched cellulose ester film (a) which contains a non-phosphoric acid ester plasticizer and substantially does not contain a phosphoric acid ester plasticizer, and wherein (ii) the transparent support B is a stretched cellulose ester film (b) which has a retardation value R0 of from 0 nm to 10 nm and a retardation value Rt of from −30 nm to 20 nm, and the retardation value R0 and the retardation value Rt are defined by the following formulas (I) and (II): Ro=(nx−ny)×d  Formula (I): Rt={(nx+ny)/2−nz}×d.  Formula (II):

摘要翻译： 偏振片包括两个透明支撑体A和B; 夹在两个透明支撑体A和B之间的偏振片; 其中（i）透明载体A是含有非磷酸酯增塑剂并基本上不含磷酸酯增塑剂的拉伸纤维素酯膜（a），其中（ii）透明载体B是拉伸的纤维素 酯膜（b），其延迟值R 0 <0> 0nm至10nm，延迟值R 30nm至20nm，并且 延迟值R 0＆lt;＆gt;和延迟值R＆gt;由下式（I）和（II）定义：<？in-line-formula description =“In- 线公式“end =”lead“？> Ro =（nx-ny）xd公式（I）：<？in-line-formula description =”In-line Formulas“end =”tail“？> <？in-line -formulae description =“In-line Formulas”end =“lead”？> Rt = {（nx + ny）/ 2-nz} xd。 公式（II）：<？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US20060280882A1

公开(公告)日：2006-12-14

申请号：US11445580

申请日：2006-06-02

申请人： Shigeki Oka ,  Kunio Shimizu ,  Takashi Takebe

发明人： Shigeki Oka ,  Kunio Shimizu ,  Takashi Takebe

IPC分类号： C09K19/00 ,  B32B29/00

CPC分类号： C08J5/18 ,  C08J2301/10 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  G02B5/3033 ,  G02F1/133528 ,  G02F2201/086 ,  Y10T428/1041 ,  Y10T428/105 ,  Y10T428/31971

摘要： An object of the present invention is to provide a polarizing plate protective film exhibiting a reduced variation value retardation, which is highly stable against polarizing plate degradation, polarizing plate dimension, and polarizing plate curl. Disclosed is a cellulose ester film possessing cellulose ester, polymer X having a weight average molecular weight of 2000-30000 prepared by copolymerizing ethylenic unsaturated monomer Xa containing no aromatic ring and hydrophilic group within a molecule and ethylenic unsaturated monomer Xb containing no aromatic ring but a hydrophilic group within a molecule, and polymer Y having a weight average molecular weight of 500-3000 prepared by polymerizing ethylenic unsaturated monomer Ya containing no aromatic ring.

摘要翻译： 本发明的目的是提供一种对偏振片劣化，偏振片尺寸和偏振板卷曲高度稳定的减小的变化值延迟的偏振片保护膜。 公开了具有纤维素酯的纤维素酯膜，分子内不含有芳香环的烯键式不饱和单体Xa和不含芳环的烯键式不饱和单体Xb，通过共聚而得到的重均分子量为2000-30000的聚合物X， 分子内的亲水性基团和通过聚合不含芳香环的烯属不饱和单体Ya制备的重均分子量为500-3000的聚合物Y。

公开(公告)号：US08900676B2

公开(公告)日：2014-12-02

申请号：US12305213

申请日：2007-06-11

申请人： Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

发明人： Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

IPC分类号： G02B5/30 ,  G02F1/1335

CPC分类号： G02B5/305 ,  G02B1/08 ,  G02B1/105 ,  G02B1/14 ,  G02B5/3083 ,  G02F1/133528 ,  G02F2201/50 ,  Y10T428/105

摘要： A polarizing plate protective film forming a polarizing plate by sandwiching a polarizer with two of the polarizing plate protective films, wherein at least one of the two polarizing plate protective films exhibits Ro defined by Expression (I) of 0 to 10 mm and Rt defined by Expression (II) of −20 to 20 mm, and also at least one of the polarizing plate protective films has a hard coat layer: Expression (I): Ro=(nx−ny)×d; Expression (II): Rt={(nx+ny)/2−nz}×d; wherein nx is a refractive index in a delayed phase axis direction in a plane of the polarizing plate protective film, ny is a refractive index in a direction at right angles to the delayed phase axis in the plane, nz is a refractive index in a film thickness direction, and d is a film thickness (nm).

摘要翻译： 一种偏振片保护膜，其通过将偏振片夹持在两个偏振片保护膜中而形成偏光板，其中两个偏振片保护膜中的至少一个表现为由表达式（I）定义为0至10毫米的Ro和由 表达式（II）为-20〜20mm，并且至少一个偏振片保护膜具有硬涂层：表达式（I）：Ro =（nx-ny）×d; 表达式（II）：Rt = {（nx + ny）/ 2-nz}×d; 其中nx是偏振片保护膜的平面中的延迟相位轴方向的折射率，ny是与平面中的延迟相位轴成直角的方向的折射率，nz是膜中的折射率 厚度方向，d为膜厚（nm）。

公开(公告)号：US07704570B2

公开(公告)日：2010-04-27

申请号：US11509724

申请日：2006-08-25

申请人： Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

发明人： Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

IPC分类号： G02B5/30 ,  G02F1/1335

CPC分类号： G02B5/3016 ,  Y10T428/1036 ,  Y10T428/1041

摘要： A polarizing plate includes two transparent supports A and B; and a polarizer sandwiched between the two transparent supports A and B; wherein (i) the transparent support A is a stretched cellulose ester film (a) which contains a non-phosphoric acid ester plasticizer and substantially does not contain a phosphoric acid ester plasticizer, and wherein (ii) the transparent support B is a stretched cellulose ester film (b) which has a retardation value R0 of from 0 nm to 10 nm and a retardation value Rt of from −30 nm to 20 nm, and the retardation value R0 and the retardation value Rt are defined by the following formulas (I) and (II): Ro=(nx−ny)×d  Formula (I): Rt={(nx+ny)/2−nz}×d.  Formula (II):

摘要翻译： 偏振片包括两个透明支撑体A和B; 夹在两个透明支撑体A和B之间的偏振片; 其中（i）透明载体A是含有非磷酸酯增塑剂并基本上不含磷酸酯增塑剂的拉伸纤维素酯膜（a），其中（ii）透明载体B是拉伸的纤维素 具有0nm至10nm的延迟值R0和-30nm至20nm的延迟值Rt的酯膜（b），延迟值R0和延迟值Rt由下式（I ）和（II）：Ro =（nx-ny）×d式（I）：Rt = {（nx + ny）/ 2-nz}×d。 式（II）：

公开(公告)号：US20100157206A1

公开(公告)日：2010-06-24

申请号：US12296297

申请日：2007-04-02

申请人： Shigeki Oka ,  Kunio Shimizu

发明人： Shigeki Oka ,  Kunio Shimizu

IPC分类号： G02F1/1335 ,  C08L1/10 ,  G02B5/30

CPC分类号： G02B1/14 ,  C08L1/10 ,  C08L1/12 ,  C08L25/14 ,  G02B1/04 ,  G02B1/105 ,  G02B5/3033 ,  G02F1/133528 ,  G02F2201/50 ,  Y10T428/10 ,  C08L2666/26

摘要： Disclosed is a polarizing plate protective film having high dimensional stability against moisture. Also disclosed are a polarizing plate using such a polarizing plate protective film, and a liquid crystal display. Specifically disclosed is a polarizing plate protective film which is characterized by containing a cellulose ester and a polymer X which is obtained by copolymerizing at least a styrene derivative monomer Xa having no hydroxyl group and an ethylenically unsaturated monomer Xb having a hydroxyl group or a carboxyl group, and has a weight average molecular weight of 500-100,000.

摘要翻译： 公开了一种对水分具有高尺寸稳定性的偏振片保护膜。 还公开了使用这种偏振片保护膜的偏振片和液晶显示器。 具体公开了一种偏振片保护膜，其特征在于含有纤维素酯和通过使至少不具有羟基的苯乙烯衍生物单体Xa与具有羟基或羧基的烯键式不饱和单体Xb共聚而获得的聚合物X ，重均分子量为500〜10000。

公开(公告)号：US07973883B2

公开(公告)日：2011-07-05

申请号：US12296297

申请日：2007-04-02

申请人： Shigeki Oka ,  Kunio Shimizu

发明人： Shigeki Oka ,  Kunio Shimizu

IPC分类号： G02F1/1335 ,  C09K19/00

CPC分类号： G02B1/14 ,  C08L1/10 ,  C08L1/12 ,  C08L25/14 ,  G02B1/04 ,  G02B1/105 ,  G02B5/3033 ,  G02F1/133528 ,  G02F2201/50 ,  Y10T428/10 ,  C08L2666/26

摘要： Disclosed is a polarizing plate protective film having high dimensional stability against moisture. Also disclosed are a polarizing plate using such a polarizing plate protective film, and a liquid crystal display. Specifically disclosed is a polarizing plate protective film which is characterized by containing a cellulose ester and a polymer X which is obtained by copolymerizing at least a styrene derivative monomer Xa having no hydroxyl group and an ethylenically unsaturated monomer Xb having a hydroxyl group or a carboxyl group, and has a weight average molecular weight of 500-100,000.

摘要翻译： 公开了一种对水分具有高尺寸稳定性的偏振片保护膜。 还公开了使用这种偏振片保护膜的偏振片和液晶显示器。 具体公开了一种偏振片保护膜，其特征在于含有纤维素酯和通过使至少不具有羟基的苯乙烯衍生物单体Xa与具有羟基或羧基的烯键式不饱和单体Xb共聚而获得的聚合物X ，重均分子量为500〜10000。