公开(公告)号：US20100291376A1

公开(公告)日：2010-11-18

申请号：US12863735

申请日：2008-10-15

Applicant: Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

Inventor： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC: B32B27/30

CPC classification number: C08J5/18 ,  C08J2333/08 ,  C08L1/10 ,  C08L1/14 ,  C08L33/08 ,  C08L101/00 ,  C08L2205/03 ,  G02B5/305 ,  Y10T428/10 ,  Y10T428/261 ,  Y10T428/31855 ,  C08L2666/26 ,  C08L2666/02

Abstract: An acryl resin-containing film which is transparent and highly heat-resistant and has been significantly improved in brittleness is disclosed, satisfying the following equations (1) to (4), exhibiting a tension softening point of 105 to 145° C. and a photoelastic coefficient of −5.0×10−8 to 8.0×10−8 cm2/N, while causing no ductile fracture. There is also disclosed a liquid crystal display which has achieved an improved yield in works of stamping a polarizing plate or sticking the plate to a panel and reduced color shift occurred depending on viewing angle. |Ro(589)|≦10 nm   (1) |Rth(589)|≦20 nm   (2) |Ro(480)−Ro(630)|≦5 nm   (3) |Rth(480)−Rth(630)|≦10 nm   (4) Numerical values of 589, 480 and 630 in parentheses represent the wavelength (nm) of a light used to measure an individual birefringence.

Abstract translation: 公开了一种透明且高耐热且脆性显着改善的含丙烯酸树脂的膜，其满足下列等式（1）至（4），其拉伸软化点为105〜145℃， 光弹性系数为-5.0×10-8〜8.0×10-8 cm2 / N，同时不引起韧性断裂。 还公开了一种液晶显示器，其在冲压偏振片或将板粘贴到面板上的工作中获得了提高的产量，并且根据视角发生了减少的颜色偏移。 | Ro（589）|＆nlE; 10nm（1）| Rth（589）|＆nlE; 20nm（2）| Ro（480）-Ro（630）|＆nlE; 5nm（3）| Rth（480） - Rth（630）|＆nlE; 10nm（4）括号中的589,480和630的数值表示用于测量单个双折射的光的波长（nm）。

公开(公告)号：US20100270502A1

公开(公告)日：2010-10-28

申请号：US12809110

申请日：2008-07-22

Applicant: Masataka Takimoto ,  Nobuo Kubo ,  Takashi Takebe

Inventor： Masataka Takimoto ,  Nobuo Kubo ,  Takashi Takebe

IPC: C09K19/52

CPC classification number: G02F1/133528 ,  C08F220/14 ,  C08J5/18 ,  C08J2333/08 ,  C08L1/10 ,  C08L1/12 ,  C08L1/14 ,  C08L33/08 ,  G02B5/3033 ,  G02F1/13363 ,  G02F2201/50 ,  G02F2202/40 ,  Y10T428/10 ,  Y10T428/1041 ,  C08L2666/04 ,  C08L2666/26 ,  C08F2220/1825 ,  C08F222/1006

Abstract: This invention provides an acrylic resin containing film, which is transparent and highly heat resistant and has significantly improved brittleness, and a polarizing plate using the acrylic resin containing film. Further yield in punching work and laminating work of the polarizing late is improved and a liquid crystal display device which can maintain good visibility in long term use is also provided by the polarizing plate. The acrylic resin containing film is composed mainly of an acrylic resin and is characterized in that the film contains the acrylic resin and the cellulose ester resin in a weight ratio of 51:49 to 95:5 and further contains a retardation control agent.

Abstract translation: 本发明提供一种透明且高耐热且脆性显着提高的含丙烯酸树脂膜，以及使用含丙烯酸树脂膜的偏光板。 提高冲压加工和极化后期的层压工作的进一步提高，并且也可以通过偏振片提供能够长期使用的能够保持良好的可视性的液晶显示装置。 含有丙烯酸树脂的膜主要由丙烯酸树脂组成，其特征在于，该膜含有丙烯酸树脂和纤维素酯树脂，重量比为51:49〜95:5，并且还含有延迟控制剂。

公开(公告)号：US07704570B2

公开(公告)日：2010-04-27

申请号：US11509724

申请日：2006-08-25

Applicant: Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

Inventor： Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

IPC: G02B5/30 ,  G02F1/1335

CPC classification number: G02B5/3016 ,  Y10T428/1036 ,  Y10T428/1041

Abstract: 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):

Abstract translation: 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：US08900676B2

公开(公告)日：2014-12-02

申请号：US12305213

申请日：2007-06-11

Applicant: Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

Inventor： Takashi Takebe ,  Kunio Shimizu ,  Shigeki Oka

IPC: G02B5/30 ,  G02F1/1335

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

Abstract: 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).

Abstract translation: 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：US20110058129A1

公开(公告)日：2011-03-10

申请号：US12991136

申请日：2009-04-24

Applicant: Nobuo Kubo ,  Masataka Takimoto ,  Takashi Takebe

Inventor： Nobuo Kubo ,  Masataka Takimoto ,  Takashi Takebe

IPC: G02F1/1335 ,  G02B1/08

CPC classification number: G02B5/305 ,  B32B37/26 ,  B32B2037/268 ,  B32B2309/02 ,  B32B2309/04 ,  B32B2309/105 ,  B32B2309/12 ,  B32B2310/0831 ,  B32B2457/20 ,  B32B2457/202 ,  C08L1/02 ,  C08L1/10 ,  C08L1/14 ,  C08L33/08 ,  C08L51/003 ,  C08L2312/00 ,  G02F1/133528 ,  G02F2201/50 ,  G02F2201/54 ,  G02F2202/28

Abstract: Disclosed are a polarizing plate for liquid crystal display having excellent durability, and a liquid crystal display device using the polarizing plate. The polarizing plate is characterized by comprising, at least on one side thereof; an acrylic resin-containing film which contains an acrylic resin (A) and a cellulose ester resin (B) at a mass ratio of from 95:5 to 30:70 in a miscible state. The acrylic resin (A) has a weight average molecular weight Mw of not less than 80,000. The cellulose ester resin (B) has a total substitution degree (T) of acyl groups of 2.00-3.00 and a substitution degree of acyl groups having 3-7 carbon atoms of 1.2-3.0. The cellulose ester resin (B) has a weight average molecular weight Mw of not less than 75,000.

Abstract translation: 公开了一种具有优异的耐久性的液晶显示器用偏振片和使用该偏振片的液晶显示装置。 所述偏振片的特征在于，至少在其一面上包括： 含有丙烯酸树脂（A）和纤维素酯树脂（B）的丙烯酸树脂膜以质量比95:5〜30:70的混溶状态。 丙烯酸树脂（A）的重均分子量Mw不小于80,000。 纤维素酯树脂（B）的酰基总取代度（T）为2.00-3.00，酰基的取代度为3-3。 纤维素酯树脂（B）的重均分子量Mw为75000以上。

公开(公告)号：US20100181702A1

公开(公告)日：2010-07-22

申请号：US12750464

申请日：2010-03-30

Applicant: Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

Inventor： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC: B29C55/14 ,  B29C39/14 ,  B29C55/06 ,  B29C55/08 ,  B29C55/16

CPC classification number: C08B3/16 ,  C08L1/14 ,  Y10T428/31971 ,  Y10T428/31975

Abstract: The present invention is to provide an optical film which exhibits low hygroscopicity, high transparency, high heat resistance and markedly lowered brittleness, and particularly to provide an optical film which is appropriately employed as a polarizing plate protective film for large liquid crystal display devices and outdoor liquid crystal display devices. The above optical film is characterized in that acrylic resin (A) and cellulose ester resin (B) are incorporated at a weight ratio of 95:5-30:70, weight average molecular weight Mw of aforesaid acrylic resin (A) is at least 80,000, total substitution degree (T) of the acyl group of aforesaid cellulose ester resin (B) is 2.0-3.0, the substitution degree of the acyl group having 3-7 carbon atoms is 1.2-3.0, and weight average molecular weight Mw of aforesaid cellulose ester resin (B) is at least 75,000. It is characterized that the total substitution degree of the acyl group other than carbon atoms of 3-7 of the cellulose ester resin (B) is at most 1.3.

Abstract translation: 本发明提供一种具有低吸湿性，高透明性，高耐热性和显着降低的脆性的光学膜，特别是提供适合用作大型液晶显示装置的偏振片保护膜和室外的光学膜 液晶显示装置。 上述光学膜的特征在于丙烯酸树脂（A）和纤维素酯树脂（B）的重量比为95:5〜30:70，上述丙烯酸树脂（A）的重均分子量Mw至少为 80,000，上述纤维素酯树脂（B）的酰基的总取代度（T）为2.0〜3.0，碳原子数3-7的酰基的取代度为1.2〜3.0，重均分子量Mw 上述纤维素酯树脂（B）为75,000以上。 其特征在于，纤维素酯树脂（B）的3-7以外的碳原子的酰基的总取代度为1.3以下。

公开(公告)号：US08580358B2

公开(公告)日：2013-11-12

申请号：US11473750

申请日：2006-06-23

Applicant: Takashi Takebe ,  Kunio Shimizu ,  Koji Tasaka ,  Shigeki Oka

Inventor： Takashi Takebe ,  Kunio Shimizu ,  Koji Tasaka ,  Shigeki Oka

IPC: G02F1/1335

CPC classification number: 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

Abstract: 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.

Abstract translation: 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：US20110308712A1

公开(公告)日：2011-12-22

申请号：US13203669

申请日：2010-02-01

Applicant: Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

Inventor： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC: B32B38/18

CPC classification number: G02B5/3033 ,  C08K5/103 ,  C08L1/02 ,  C08L33/04 ,  Y10T156/1075 ,  C08L2666/26

Abstract: Disclosed is a process for producing a polarizing plate which is transparent, has resistance against high temperatures and high humidity, and is significantly improved in brittleness. Specifically disclosed is a process for producing a polarizing plate comprising two polarizing plate protective films and a polarizer intercalated between the polarizing plate protective films, which is characterized in that at least one of the two polarizing plate protective films is an acrylic film comprising an acrylic resin (A) and a cellulose ester resin (B) at a ratio of 85:15 to 55:45 by mass, and the acrylic film is drawn in at least one direction at a draw ratio of 10 to 150% inclusive and is subsequently bonded to the polarizer with an aqueous adhesive agent.

Abstract translation: 公开了透明的耐高温和高湿度的偏振片的制造方法，脆性显着提高。 具体公开了一种偏振片的制造方法，其特征在于，所述两个偏振片保护膜中的至少一个是包含丙烯酸树脂的丙烯酸类膜，所述偏振片包含两片偏振片保护膜和夹在所述偏振片保护膜之间的偏振片 （A）和纤维素酯树脂（B）的比例为85:15〜55:45，丙烯酸类膜以至少一个方向拉伸，拉伸比例为10〜150％，随后粘合 用水性粘合剂涂覆在偏光片上。

公开(公告)号：US20090099308A1

公开(公告)日：2009-04-16

申请号：US12245068

申请日：2008-10-03

Applicant: Takashi TAKEBE ,  Masataka TAKIMOTO ,  Nobuo KUBO

Inventor： Takashi TAKEBE ,  Masataka TAKIMOTO ,  Nobuo KUBO

IPC: C08L1/10

CPC classification number: C08B3/16 ,  C08L1/14 ,  Y10T428/31971 ,  Y10T428/31975

Abstract: The present invention is to provide an optical film which exhibits low hygroscopicity, high transparency, high heat resistance and markedly lowered brittleness, and particularly to provide an optical film which is appropriately employed as a polarizing plate protective film for large liquid crystal display devices and outdoor liquid crystal display devices. The above optical film is characterized in that acrylic resin (A) and cellulose ester resin (B) are incorporated at a weight ratio of 95:5-30:70, weight average molecular weight Mw of aforesaid acrylic resin (A) is at least 80,000, total substitution degree (T) of the acyl group of aforesaid cellulose ester resin (B) is 2.0-3.0, the substitution degree of the acyl group having 3-7 carbon atoms is 1.2-3.0, and weight average molecular weight Mw of aforesaid cellulose ester resin (B) is at least 75,000. It is characterized that the total substitution degree of the acyl group other than carbon atoms of 3-7 of the cellulose ester resin (B) is at most 1.3.

Abstract translation: 本发明提供一种具有低吸湿性，高透明性，高耐热性和显着降低的脆性的光学膜，特别是提供适合用作大型液晶显示装置的偏振片保护膜和室外的光学膜 液晶显示装置。 上述光学膜的特征在于丙烯酸树脂（A）和纤维素酯树脂（B）的重量比为95:5〜30:70，上述丙烯酸树脂（A）的重均分子量Mw至少为 80,000，上述纤维素酯树脂（B）的酰基的总取代度（T）为2.0〜3.0，碳原子数3-7的酰基的取代度为1.2〜3.0，重均分子量Mw 上述纤维素酯树脂（B）为75,000以上。 其特征在于，纤维素酯树脂（B）的3-7以外的碳原子的酰基的总取代度为1.3以下。

公开(公告)号：US08652590B2

公开(公告)日：2014-02-18

申请号：US13000331

申请日：2009-05-21

Applicant: Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

Inventor： Takashi Takebe ,  Masataka Takimoto ,  Nobuo Kubo

IPC: G02F1/1335

CPC classification number: G02B5/3033 ,  Y10T428/105 ,  Y10T428/23986 ,  Y10T428/24198

Abstract: 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.

Abstract translation: 公开了一种具有低吸湿性的偏振片，其中提高了偏振片的衰减劣化。 还公开了使用偏振片的液晶显示器。 偏光板是通过将由聚乙烯醇构成的偏振片与水蒸气透过度为100〜500g / m 2·24hr的丙烯酸膜（a）和不含磷酸盐增塑剂的纤维素酯膜（b1）夹持而得到的， 纤维素酯膜（b2），含有磷酸盐增塑剂和酸清除剂。 偏光板配置在液晶单元的至少一侧，纤维素酯薄膜（b1）或（B2）在液晶单元侧。