公开(公告)号：US20090231519A1

公开(公告)日：2009-09-17

申请号：US12090765

申请日：2006-09-14

Applicant: Yuusuke Toyama ,  Masayuki Satake ,  Kenji Yoda ,  Kentarou Kobayashi ,  Shuuji Yano

Inventor： Yuusuke Toyama ,  Masayuki Satake ,  Kenji Yoda ,  Kentarou Kobayashi ,  Shuuji Yano

IPC: G02F1/1335 ,  G02F1/13363

CPC classification number: G02B5/3083 ,  G02B27/281 ,  G02F2202/28 ,  G02F2413/01 ,  Y10T428/10 ,  Y10T428/1036 ,  Y10T428/1059

Abstract: A liquid crystal display panel includes a liquid crystal cell, a first polarizing plate placed on one side of the liquid crystal cell, a second polarizing plate placed on the other side of the liquid crystal cell, a retardation film placed between the liquid crystal cell and the first polarizing plate, and a pressure-sensitive adhesive layer placed between the liquid crystal cell and the retardation film, wherein the first and second polarizing plates have absorption axes whose directions are substantially orthogonal to each other, the retardation film is a norbornene resin-containing stretched film and has a refractive index ellipsoid satisfying the relation nx≧nz>ny, and the pressure-sensitive adhesive layer includes a pressure-sensitive adhesive that may be produced by crosslinking a composition including a (meth)acrylate (co)polymer and a crosslinking agent including a peroxide as a main component. When the liquid crystal display panel is viewed from oblique directions, leakage of light and changes in color are small, and when the liquid crystal cell is recycled, the laminated film has a high level of easy peelability.

Abstract translation: 液晶显示面板包括液晶单元，位于液晶单元一侧的第一偏振板，位于液晶单元另一侧的第二偏光板，位于液晶单元和 所述第一偏振板和位于所述液晶单元和所述延迟膜之间的压敏粘合剂层，其中所述第一和第二偏振片具有彼此基本正交的吸收轴，所述延迟膜是降冰片烯树脂 - 并且具有满足关系nx> = nz> ny的折射率椭圆体，并且压敏粘合剂层包括可以通过使包含（甲基）丙烯酸酯（共）聚合物的组合物交联而制备的压敏粘合剂 和以过氧化物为主要成分的交联剂。 当从斜方向观察液晶显示面板时，光的泄漏和颜色变化小，并且当液晶单元被再循环时，层压膜具有高水平的易剥离性。

公开(公告)号：US20090104450A1

公开(公告)日：2009-04-23

申请号：US12255440

申请日：2008-10-21

Applicant: Shinichi INOUE ,  Yuusuke TOYAMA ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA ,  Yutaka MOROISHI ,  Fumiko NAKANO

Inventor： Shinichi INOUE ,  Yuusuke TOYAMA ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA ,  Yutaka MOROISHI ,  Fumiko NAKANO

IPC: C08G69/26 ,  B05D5/06 ,  B32B27/34

CPC classification number: C09J7/0217 ,  C09J7/385 ,  C09J133/14 ,  G02F2202/28 ,  Y10T428/2891 ,  Y10T428/2896 ,  Y10T428/31551

Abstract: A pressure-sensitive adhesive composition for an optical film of the present invention comprises 100 parts by weight of a (meth)acrylic polymer comprising 45 to 99.99% by weight of an alkyl (meth)acrylate monomer unit and 0.01 to 2% by weight of a tertiary amino group-containing monomer unit; and 0.01 to 2 parts by weight of a peroxide as a crosslinking agent. The pressure-sensitive adhesive composition can form an pressure-sensitive adhesive layer that has satisfactory reworkability such that optical films can be easily peeled from liquid crystal panels with no adhesive residue and also has satisfactory processability such that it can be worked without pressure-sensitive adhesive fouling or dropout.

Abstract translation: 本发明的光学膜用粘合剂组合物包含100重量份由（甲基）丙烯酸烷基酯单体单元组成的45-99.99重量％的（甲基）丙烯酸系聚合物和0.01〜2重量％ 含叔氨基的单体单元; 和0.01〜2重量份作为交联剂的过氧化物。 压敏粘合剂组合物可以形成具有良好的再加工性的压敏粘合剂层，使得光学膜可以容易地从液晶面板剥离而没有粘合残留物，并且还具有令人满意的加工性，使得其可以在没有压敏粘合剂的情况下加工 结垢或辍学

公开(公告)号：US07435779B2

公开(公告)日：2008-10-14

申请号：US11290165

申请日：2005-11-30

Applicant: Yuusuke Toyama ,  Masayuki Satake ,  Akiko Ogasawara ,  Yutaka Moroishi ,  Fumiko Nakano

Inventor： Yuusuke Toyama ,  Masayuki Satake ,  Akiko Ogasawara ,  Yutaka Moroishi ,  Fumiko Nakano

IPC: C08L33/14 ,  C09J133/14 ,  C09K19/38

CPC classification number: C09J175/04 ,  C08G18/289 ,  C08G18/6229 ,  C08G18/8022 ,  C08G2170/40 ,  C09J7/22 ,  C09J7/38 ,  C09J7/385 ,  C09J2433/00 ,  Y10T428/1059 ,  Y10T428/24438 ,  Y10T428/28 ,  Y10T428/2826 ,  Y10T428/2887 ,  Y10T428/3175 ,  Y10T428/31797 ,  Y10T428/31909 ,  Y10T428/31913 ,  Y10T428/3192 ,  Y10T442/2738

Abstract: It is an object of the invention to provide a pressure sensitive adhesive for an optical film with which a pressure sensitive adhesive type optical film capable of suppressing bowing and light leakage caused by a stress accompanying a dimensional change of members such as an optical film, high in durability, excellent in handling ability in an aspect of a fabrication process thereof and good in quality can be obtained. There is provided a pressure sensitive adhesive for an optical film comprising: 100 parts by weight of a (meth)acrylic-based polymer (A) including an alkyl (meth)acrylate (a1) and a (meth)acrylic-based monomer containing a hydroxyl group (a2), as a copolymerizable component, in content in the range of from 0.01 to 5 parts by weight relative to 100 parts by weight of the alkyl (meth)acrylate (a1); 0.02 to 2 parts by weight of a peroxide (B); and 0.001 to 2 parts by weight of an isocyanate-based compound (C), the contents of the peroxide (B) and the isocyanate-based compound (C) being values relative to 100 parts by weight of the (meth)acrylic-based polymer (A).

Abstract translation: 本发明的目的是提供一种用于光学膜的压敏粘合剂，通过该压敏粘合剂型光学膜能够抑制伴随诸如光学膜的部件的尺寸变化的应力引起的弯曲和漏光 在耐久性方面，可以获得在其制造方法方面的良好的处理能力和良好的质量。 提供一种用于光学膜的压敏粘合剂，其包括：100重量份的包含（甲基）丙烯酸烷基酯（a1）的（甲基）丙烯酸类聚合物（A）和（甲基）丙烯酸类单体，其包含 相对于100重量份的（甲基）丙烯酸烷基酯（a1），作为可共聚成分的羟基（a2）的含量范围为0.01〜5重量份。 0.02〜2重量份过氧化物（B）; 和0.001〜2重量份的异氰酸酯系化合物（C），过氧化物（B）和异氰酸酯系化合物（C）的含量相对于（甲基）丙烯酸系化合物（C）的100重量份 聚合物（A）。

公开(公告)号：US20080143894A1

公开(公告)日：2008-06-19

申请号：US11958818

申请日：2007-12-18

Applicant: Kayo OOHIRA ,  Yuusuke TOYAMA ,  Masayuki SATAKE ,  Minoru MIYATAKE

Inventor： Kayo OOHIRA ,  Yuusuke TOYAMA ,  Masayuki SATAKE ,  Minoru MIYATAKE

IPC: G02F1/1335

CPC classification number: G02F1/13363 ,  G02F1/133528 ,  G02F2001/133633 ,  G02F2202/28

Abstract: A pressure-sensitive adhesive optical film of the present invention comprises: an optical film comprising a transparent base film and an optical compensation liquid crystal layer provided on one side of the transparent base film; a pressure-sensitive adhesive layer provided on the optical compensation liquid crystal layer; and an undercoat layer that is interposed between the optical compensation liquid crystal layer and the pressure-sensitive adhesive layer and contains a polymer and an antioxidant. The pressure-sensitive adhesive optical film can suppress window frame unevenness when a backlight is turned on.

Abstract translation: 本发明的粘合型光学薄膜包括：光学薄膜，其包括透明基底膜和设置在透明基底膜一侧的光学补偿液晶层; 设置在光学补偿液晶层上的压敏粘合剂层; 以及介于光学补偿液晶层和压敏粘合剂层之间并含有聚合物和抗氧化剂的底涂层。 当背光打开时，压敏粘合剂光学膜可以抑制窗框不均匀。

公开(公告)号：US08709597B2

公开(公告)日：2014-04-29

申请号：US12916959

申请日：2010-11-01

Applicant: Yuusuke Toyama ,  Shinichi Inoue ,  Mizue Nagata ,  Toshitsugu Hosokawa

Inventor： Yuusuke Toyama ,  Shinichi Inoue ,  Mizue Nagata ,  Toshitsugu Hosokawa

IPC: B32B15/04

CPC classification number: C08G18/6229 ,  C08F8/00 ,  C08F2800/20 ,  C08G18/10 ,  C08G18/6254 ,  C08G18/73 ,  Y10T428/2891 ,  C08F220/12

Abstract: There is provided a pressure-sensitive adhesive composition for optical films. The composition can form a pressure-sensitive adhesive layer that can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, which include the pressure-sensitive adhesive layer that has reworkability such that it can be easily peeled from a component, and that has satisfactory processability such that it can be processed without pressure-sensitive adhesive stain or dropout, after it is formed on an optical film. A pressure-sensitive adhesive optical film produced using the composition is also provided. The pressure-sensitive adhesive composition includes a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl (meth)acrylate monomer unit, (b) 5 to 35% by weight of an aromatic ring-containing (meth)acrylate monomer unit, and (c) 0.01 to 0.5% by weight of an amino group-containing (meth)acrylate monomer unit and further including (d) 0.05 to 3% by weight of a carboxyl group-containing (meth)acrylate monomer unit and/or (e) 0.05 to 2% by weight of a hydroxyl group-containing (meth)acrylate monomer unit and having a weight average molecular weight of 1,600,000 to 3,000,000 as determined by gel permeation chromatography; crosslinking agents including 0.01 to 5 parts by weight of an isocyanate crosslinking agent and 0.01 to 2 parts by weight of a silane coupling agent based on 100 parts by weight of the (meth)acrylic polymer.

Abstract translation: 提供了一种用于光学膜的压敏粘合剂组合物。 该组合物可以形成一种压敏粘合剂层，其可以防止由与诸如光学膜的组分的尺寸变化相关的应力引起的光泄漏，其包括具有可再加工性的压敏粘合剂层，使得其可以容易地从 并且具有令人满意的加工性，使得其可以在形成在光学膜上之后可以被加工而没有压敏粘合剂污渍或脱落。 还提供了使用该组合物制备的压敏粘合剂光学膜。 压敏粘合剂组合物包括（甲基）丙烯酸类聚合物，其包含（a）34-94重量％的（甲基）丙烯酸烷基酯单体单元，（b）5-35重量％的含芳环的（甲基） ）丙烯酸酯单体单元，（c）0.01〜0.5重量％的含氨基（甲基）丙烯酸酯单体单元，进一步含有（d）0.05〜3重量％的含羧基的（甲基）丙烯酸酯单体 单元和/或（e）0.05〜2重量％的含羟基的（甲基）丙烯酸酯单体单元，通过凝胶渗透色谱法测定的重均分子量为1,600,000至3,000,000; 交联剂，其包含0.01至5重量份的异氰酸酯交联剂和基于100重量份的（甲基）丙烯酸类聚合物）的0.01至2重量份的硅烷偶联剂。

公开(公告)号：US20140085722A1

公开(公告)日：2014-03-27

申请号：US14119679

申请日：2012-05-18

Applicant: Atsushi Yasui ,  Yuusuke Toyama ,  Tomoyuki Kimura ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo ,  Arata Fujihara

Inventor： Atsushi Yasui ,  Yuusuke Toyama ,  Tomoyuki Kimura ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo ,  Arata Fujihara

IPC: G02B5/30

CPC classification number: G02B5/305 ,  C08L33/066 ,  C09J7/29 ,  C09J133/04 ,  C09J133/064 ,  C09J133/066 ,  C09J2203/318 ,  C09J2429/006 ,  C09J2433/00 ,  G02F1/133528 ,  G02F2201/50 ,  G02F2202/28

Abstract: A pressure-sensitive adhesive layer-attached polarizing film of the present invention includes a polarizing film and a pressure-sensitive adhesive layer provided on the polarizing film, wherein the polarizing film includes a polarizer with a thickness of 10 μm or less and a transparent protective film or films provided on one or both sides of the polarizer, and the pressure-sensitive adhesive layer is formed from a pressure-sensitive adhesive composition containing a (meth)acryl-based polymer (A) and an ionic compound (B). The pressure-sensitive adhesive layer-attached polarizing film has an antistatic function and exhibits durability.

Abstract translation: 本发明的带有粘合剂层的偏光膜包括偏振膜和设置在偏振膜上的压敏粘合剂层，其中偏振膜包括厚度为10μm以下的偏振片和透明保护膜 设置在偏振片的一侧或两侧的膜或膜，并且压敏粘合剂层由含有（甲基）丙烯酸类聚合物（A）和离子性化合物（B）的压敏粘合剂组合物形成。 带有粘合剂层的偏光膜具有抗静电功能并具有耐久性。

公开(公告)号：US07929086B2

公开(公告)日：2011-04-19

申请号：US12090307

申请日：2006-09-14

Applicant: Yuusuke Toyama ,  Masayuki Satake ,  Kenji Yoda ,  Masatoshi Tomonaga ,  Shuuji Yano

Inventor： Yuusuke Toyama ,  Masayuki Satake ,  Kenji Yoda ,  Masatoshi Tomonaga ,  Shuuji Yano

IPC: G02F1/1335 ,  G02B5/30 ,  G02B1/08

CPC classification number: C09J133/08 ,  B32B7/12 ,  B32B23/08 ,  B32B23/20 ,  B32B27/08 ,  B32B27/16 ,  B32B27/18 ,  B32B27/20 ,  B32B27/302 ,  B32B27/306 ,  B32B27/308 ,  B32B27/325 ,  B32B2270/00 ,  B32B2307/308 ,  B32B2307/40 ,  B32B2307/402 ,  B32B2307/418 ,  B32B2307/42 ,  B32B2307/50 ,  B32B2307/514 ,  B32B2307/708 ,  B32B2307/71 ,  B32B2307/718 ,  B32B2457/202 ,  C08G18/61 ,  C08G18/6229 ,  C08G18/6254 ,  C08G18/7642 ,  C08G18/7843 ,  C08G2170/40 ,  C09J7/29 ,  C09J133/14 ,  C09J175/04 ,  C09J2433/00 ,  G02B5/3083 ,  G02B27/281 ,  G02F1/133528 ,  G02F1/13363 ,  G02F2202/28

Abstract: A laminated film includes a polarizing plate, a retardation film, and a first pressure-sensitive adhesive layer provided in this order, wherein the polarizing plate includes a polarizer, a first protective layer placed on a side of the polarizer where the retardation film is provided, and a second protective layer placed on another side of the polarizer which is opposite to the side where the retardation film is provided, the retardation film is a stretched film comprising a norbornene resin, the first pressure-sensitive adhesive layer includes a pressure-sensitive adhesive that may be produced by crosslinking a composition comprising a (meth)acrylate (co)polymer and a crosslinking agent comprising a peroxide as a main component. The laminated film has both good adhesion to a liquid crystal cell and easy peelability, and may improve the uniformity in a screen of liquid crystal display.

Abstract translation: 叠层膜包括偏光板，延迟膜和依次设置的第一粘合剂层，其中偏振片包括偏振片，设置在偏振片侧面的第一保护层，其中设置有延迟膜 以及设置在与设置有相位差膜的一侧相反的偏振片的另一侧的第二保护层，所述延迟膜是包含降冰片烯树脂的拉伸膜，所述第一粘合剂层包括压敏粘合剂 可以通过交联包含（甲基）丙烯酸酯（共）聚合物的组合物和包含过氧化物作为主要成分的交联剂来制备的粘合剂。 层压膜对液晶单元具有良好的粘附性和易剥离性，并且可以提高液晶显示器的屏幕的均匀性。

公开(公告)号：US07846542B2

公开(公告)日：2010-12-07

申请号：US12370967

申请日：2009-02-13

Applicant: Yuusuke Toyama ,  Shinichi Inoue ,  Mizue Nagata ,  Toshisugu Hosokawa

Inventor： Yuusuke Toyama ,  Shinichi Inoue ,  Mizue Nagata ,  Toshisugu Hosokawa

IPC: C08F8/30 ,  C08F8/00

CPC classification number: C08G18/6229 ,  C08F8/00 ,  C08F2800/20 ,  C08G18/10 ,  C08G18/6254 ,  C08G18/73 ,  Y10T428/2891 ,  C08F220/12

Abstract: There is provided a pressure-sensitive adhesive composition for optical films. The composition can form a pressure-sensitive adhesive layer that can prevent light leakage caused by stress associated with dimensional change of a component such as an optical film, which include the pressure-sensitive adhesive layer that has reworkability such that it can be easily peeled from a component, and that has satisfactory processability such that it can be processed without pressure-sensitive adhesive stain or dropout, after it is formed on an optical film. A pressure-sensitive adhesive optical film produced using the composition is also provided. The pressure-sensitive adhesive composition includes a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl(meth)acrylate monomer unit, (b) 5 to 35% by weight of an aromatic ring-containing (meth)acrylate monomer unit, and (c) 0.01 to 0.5% by weight of an amino group-containing (meth)acrylate monomer unit and further including (d) 0.05 to 3% by weight of a carboxyl group-containing (meth)acrylate monomer unit and/or (e) 0.05 to 2% by weight of a hydroxyl group-containing (meth)acrylate monomer unit and having a weight average molecular weight of 1,600,000 to 3,000,000 as determined by gel permeation chromatography; crosslinking agents including 0.01 to 5 parts by weight of an isocyanate crosslinking agent and 0.01 to 2 parts by weight of a silane coupling agent based on 100 parts by weight of the (meth)acrylic polymer.

Abstract translation: 提供了一种用于光学膜的压敏粘合剂组合物。 该组合物可以形成一种压敏粘合剂层，其可以防止由与诸如光学膜的组分的尺寸变化相关的应力引起的光泄漏，其包括具有可再加工性的压敏粘合剂层，使得其可以容易地从 并且具有令人满意的加工性，使得其可以在形成在光学膜上之后可以被加工而没有压敏粘合剂污渍或脱落。 还提供了使用该组合物制备的压敏粘合剂光学膜。 压敏粘合剂组合物包括（甲基）丙烯酸类聚合物，其包含（a）34-94重量％的（甲基）丙烯酸烷基酯单体单元，（b）5-35重量％的含芳环的（甲基） ）丙烯酸酯单体单元，（c）0.01〜0.5重量％的含氨基（甲基）丙烯酸酯单体单元，进一步含有（d）0.05〜3重量％的含羧基的（甲基）丙烯酸酯单体 单元和/或（e）0.05〜2重量％的含羟基的（甲基）丙烯酸酯单体单元，通过凝胶渗透色谱法测定的重均分子量为1,600,000至3,000,000; 交联剂，其包含0.01至5重量份的异氰酸酯交联剂和基于100重量份的（甲基）丙烯酸类聚合物）的0.01至2重量份的硅烷偶联剂。

公开(公告)号：US20090324944A1

公开(公告)日：2009-12-31

申请号：US12304817

申请日：2007-06-11

Applicant: Yuusuke Toyama ,  Masayuki Satake ,  Teppei Niino

Inventor： Yuusuke Toyama ,  Masayuki Satake ,  Teppei Niino

IPC: B32B27/30 ,  B32B33/00 ,  G02B5/30

CPC classification number: G02B1/14 ,  C09J5/00 ,  C09J7/385 ,  C09J133/04 ,  G02B1/105 ,  G02B5/3033 ,  G02F1/133504 ,  G02F2001/133507 ,  G02F2202/28 ,  Y10T428/28 ,  Y10T428/2852

Abstract: A pressure-sensitive adhesive optical film of the present invention comprises: an optical film; and a pressure-sensitive adhesive layer placed on at least one side of the optical film, wherein the pressure-sensitive adhesive layer has an equilibrium moisture content ratio (a) of 0.5% by weight or less, the pressure-sensitive adhesive layer shows a displacement amount (b) of 600 μm or less in one hour at 23° C., when a tensile shearing stress of 500 gf is applied to an adhesion area of 10 mm×10 mm having a thickness of 25 μm, and the equilibrium moisture content ratio (a) and the displacement amount (b) satisfy the relation: b

Abstract translation: 本发明的粘合型光学薄膜包括：光学薄膜; 和设置在所述光学膜的至少一侧的压敏粘合剂层，其中，所述粘合剂层的平衡含水率（a）为0.5重量％以下，所述粘合剂层显示出 当在厚度为25μm的10mm×10mm的粘合区域上施加500gf的拉伸剪切应力时，在23℃下在1小时内的位移量（b）为600μm以下，平衡含水率 （a）和位移量（b）满足关系式：b <1036.4xe-5.124a。 即使在其上放置压敏粘合剂层的光学膜由具有低透湿性的材料制成时，该粘合型光学薄膜也可在高温环境下具有高耐久性并且在这种环境中防止发泡。

公开(公告)号：US20090110924A1

公开(公告)日：2009-04-30

申请号：US12260210

申请日：2008-10-29

Applicant: Shinichi INOUE ,  Yuusuke TOYAMA ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA

Inventor： Shinichi INOUE ,  Yuusuke TOYAMA ,  Mizue NAGATA ,  Toshitsugu HOSOKAWA

IPC: B32B33/00 ,  B32B38/00 ,  C08F20/10 ,  C08G16/00 ,  C08F20/28 ,  C08F26/02

CPC classification number: C09J133/066 ,  C09J7/22 ,  C09J7/38 ,  C09J2433/00 ,  Y10T428/2809

Abstract: A pressure-sensitive adhesive for an optical film of the present invention comprises a (meth)acrylic polymer comprising 50 to 99.99% by weight of alkyl (meth)acrylate monomer unit and 0.01 to 30% by weight of a photocrosslinkable monomer unit having an unsaturated double bond-containing polymerizable functional group and a photocrosslinkable moiety different from the functional group. A pressure-sensitive adhesive layer is formed from the pressure-sensitive adhesive on at least one side of an optical film, wherein the photocrosslinkable moiety of the (meth)acrylic polymer in the pressure-sensitive adhesive is crosslinked by active energy ray irradiation. The pressure-sensitive adhesive can form the pressure-sensitive adhesive layer with a high level of durability and preferable workability.

Abstract translation: 本发明的光学薄膜用粘合剂包含（甲基）丙烯酸系聚合物，其含有50〜99.99重量％的（甲基）丙烯酸烷基酯单体单元和0.01〜30重量％的具有不饱和键的光可交联单体单元 含有双键的可聚合官能团和与该官能团不同的光可交联部分。 在光学膜的至少一侧上由压敏粘合剂形成压敏粘合剂层，其中压敏粘合剂中的（甲基）丙烯酸类聚合物的光致交联部分通过活性能量射线照射而交联。 压敏粘合剂可以形成具有高水平的耐久性和优选的可加工性的压敏粘合剂层。