公开(公告)号：US09429695B2

公开(公告)日：2016-08-30

申请号：US14122587

申请日：2012-05-24

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

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

IPC: G02B5/30 ,  C08J5/18 ,  G02F1/1335

CPC classification number: G02B5/305 ,  C08J5/18 ,  G02B5/3033 ,  G02F1/133528

Abstract: Provided is a polarizing plate with a pressure-sensitive adhesive layer which is excellent in reliability of optical properties and durability of pressure-sensitive adhesion. The polarizing plate with a pressure-sensitive adhesive layer comprises a polarizing film and a pressure-sensitive adhesive layer provided directly on at least one surface of the polarizing film. The pressure-sensitive adhesive layer comprises a pressure-sensitive adhesive composition containing a pressure-sensitive adhesive polymer, and an amount of an acid component in a total monomer component constituting the pressure-sensitive adhesive polymer is less than 8 wt %.

Abstract translation: 本发明提供一种具有粘合剂层的偏光板，其光学性能的可靠性和压敏粘合剂的耐久性优异。 具有压敏粘合剂层的偏振片包括偏振膜和直接设置在偏振膜的至少一个表面上的压敏粘合剂层。 压敏粘合剂层包括含有压敏粘合剂聚合物的压敏粘合剂组合物，构成压敏粘合剂聚合物的总单体组分中的酸组分的量小于8重量％。

公开(公告)号：US08962108B2

公开(公告)日：2015-02-24

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: G02F1/1347 ,  C09K19/00 ,  B32B5/00 ,  G02B5/30 ,  G02B27/28

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，并且所述粘合剂层包括压敏粘合剂，其可以通过将包含（甲基）丙烯酸酯（共）聚合物的组合物和 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：US08663798B2

公开(公告)日：2014-03-04

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: B32B7/12 ,  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：US20130160938A1

公开(公告)日：2013-06-27

申请号：US13820606

申请日：2011-07-28

Applicant: Atsushi Yasui ,  Yuusuke Toyama ,  Takaaki Ishii ,  Masakuni Fujita ,  Tomoyuki Kimura ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

Inventor： Atsushi Yasui ,  Yuusuke Toyama ,  Takaaki Ishii ,  Masakuni Fujita ,  Tomoyuki Kimura ,  Masayuki Satake ,  Shusaku Goto ,  Takeharu Kitagawa ,  Minoru Miyatake ,  Tomohiro Mori ,  Takashi Kamijo

IPC: C09J7/02

CPC classification number: C09J7/026 ,  B05D5/10 ,  C09J7/385 ,  G02B5/3025 ,  G02B5/3033 ,  Y10T156/10 ,  Y10T428/1059

Abstract: A pressure-sensitive adhesive optical film of the invention comprises an optical film and a pressure-sensitive adhesive layer provided on the optical film, wherein the pressure-sensitive adhesive layer has a thickness (μm) standard deviation of 0.12 μm or less. The pressure-sensitive adhesive optical film makes it possible to reduce the problem of visible unevenness caused by a pressure-sensitive adhesive layer.

Abstract translation: 本发明的粘合型光学薄膜包括光学薄膜和设在该光学薄膜上的压敏粘合剂层，其中该粘合剂层的厚度（母体）标准偏差为0.12μm以下。 粘合型光学薄膜可以减少由粘合剂层引起的可见的不均匀性的问题。

公开(公告)号：US20120121824A1

公开(公告)日：2012-05-17

申请号：US13266946

申请日：2010-04-27

Applicant: Yuusuke Toyama ,  Arata Fujihara ,  Akiko Sugino ,  Atsushi Yasui ,  Masayuki Satake ,  Mizue Nagata ,  Tomoyuki Kimura

Inventor： Yuusuke Toyama ,  Arata Fujihara ,  Akiko Sugino ,  Atsushi Yasui ,  Masayuki Satake ,  Mizue Nagata ,  Tomoyuki Kimura

IPC: G02B5/00 ,  B32B27/30 ,  C09J171/08 ,  C09J7/02

CPC classification number: C08G18/718 ,  B32B2457/202 ,  C08F2220/1825 ,  C08G18/4866 ,  C08G18/6229 ,  C08G18/6254 ,  C08G18/8009 ,  C08G65/336 ,  C08G2170/40 ,  C08L33/04 ,  C08L71/02 ,  C09J7/22 ,  C09J7/38 ,  C09J133/14 ,  C09J171/02 ,  C09J175/04 ,  C09J2203/318 ,  C09J2433/00 ,  C09J2471/00 ,  G02B5/3083 ,  G02F2202/28 ,  Y10T428/1068 ,  Y10T428/2848 ,  Y10T428/2891 ,  C08F2220/185 ,  C08F220/20 ,  C08F220/06 ,  C08F2220/302

Abstract: A pressure-sensitive adhesive composition for an optical film of the present invention comprises a (meth)acryl-based polymer (A): and a polyether compound (B) having a polyether skeleton and a reactive silyl group represented by formula (1): —SiRaM3-a at at least one terminal, wherein R represents a monovalent organic group having 1 to 20 carbon atoms and optionally having a substituent; M represents a hydroxyl group or a hydrolyzable group; and represents an integer of 1 to 3, provided that in cases where two or more R groups, R groups is the same or different, and in cases where two or more M groups, M groups is the same or different. The pressure-sensitive adhesive composition for an optical film is capable of forming a pressure-sensitive adhesive layer having reworkability that enables an optical film to be easily peeled off from a liquid crystal panel or the like with no adhesive residue and satisfactory durability that prevents a bonded optical film from peeling or lifting.

Abstract translation: 本发明的光学膜用粘合剂组合物包含（甲基）丙烯酸系聚合物（A）和具有聚醚骨架的聚醚化合物（B）和由式（1）表示的反应性甲硅烷基： -SiRaM 3-a，其中R表示具有1至20个碳原子并且任选具有取代基的一价有机基团; M表示羟基或可水解基团; 并且表示1〜3的整数，条件是在两个以上R基，R基相同或不同的情况下，M基相同或不同的两个以上的M基的情况。 用于光学膜的压敏粘合剂组合物能够形成具有可再利用性的压敏粘合剂层，其能够使光学膜容易地从液晶板等剥离而没有粘合残留物和令人满意的耐久性，从而防止 粘合光学薄膜从剥离或提升。

公开(公告)号：US20110123799A1

公开(公告)日：2011-05-26

申请号：US12943162

申请日：2010-11-10

Applicant: Atsushi Yasui ,  Yuusuke Toyama ,  Mizue Nagata ,  Tomoyuki Kimura ,  Masayuki Satake

Inventor： Atsushi Yasui ,  Yuusuke Toyama ,  Mizue Nagata ,  Tomoyuki Kimura ,  Masayuki Satake

IPC: B32B7/12 ,  C08F220/26 ,  C08L33/10

CPC classification number: C09J7/385 ,  C08F220/18 ,  C08F220/26 ,  C08F220/28 ,  C09J133/02 ,  C09J133/06 ,  C09J133/08 ,  C09J2201/606 ,  C09J2203/318 ,  C09J2401/006 ,  C09J2433/006 ,  G02F2202/28 ,  Y10T428/2848 ,  Y10T428/2891

Abstract: A pressure-sensitive adhesive composition for an optical film of the present invention includes a (meth)acrylic polymer(A) that comprises, as monomer units, 67 to 96.99% by weight of alkyl (meth)acrylate(a1), 1 to 20% by weight of benzyl (meth)acrylate(a2), 2 to 10% by weight of a carboxyl group-containing monomer(a3) and 0.01 to 3% by weight of a hydroxyl group-containing monomer(a4), has a weight average molecular weight(Mw) of 1,600,000 or more, and satisfy a weight average molecular weight(Mw)/number average molecular weight(Mn) ratio of 1.8 to 10. The pressure-sensitive adhesive composition can satisfy durability that does not cause peeling, separation at the state in which the optical film was attached, and can form a pressure-sensitive adhesive layer capable of improving display non-uniformity caused by a white display leakage at a peripheral portion.

Abstract translation: 本发明的光学薄膜用粘合剂组合物包含（甲基）丙烯酸系聚合物（A），作为单体单元，含有（甲基）丙烯酸烷基酯（a1）67〜96.99重量％，（甲基）丙烯酸烷基酯 （甲基）丙烯酸苄酯（a2），含羧基单体（a3）2〜10重量％和含羟基单体（a4）0.01〜3重量％的重量份， 平均分子量（Mw）为1,600,000以上，并且重均分子量（Mw）/数均分子量（Mn）比为1.8〜10。该粘合剂组合物可以满足不会引起剥离的耐久性， 在安装光学膜的状态下的分离，并且可以形成能够改善由周边部分的白色显示泄漏引起的显示不均匀性的压敏粘合剂层。

公开(公告)号：US20110045289A1

公开(公告)日：2011-02-24

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: C09J133/10 ,  B32B7/12

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：US07862888B2

公开(公告)日：2011-01-04

申请号：US12404080

申请日：2009-03-13

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

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

IPC: B32B7/12 ,  C08C19/00

CPC classification number: C09J133/14 ,  C08L2312/08 ,  C09J7/385 ,  G02F2202/28 ,  Y10T428/2848 ,  Y10T428/2891

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, 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 is prepared to include a (meth)acrylic polymer including (a) 34 to 94% by weight of an alkyl (meth)acrylate monomer unit, (b) 5 to 50% 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; 0.01 to 2 parts by weight of a peroxide as a 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。 组合物可形成压敏粘合剂层，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，其具有可以容易地从组分剥离的再加工性，并且具有令人满意的加工性 使其在光学膜上形成之后能够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。 制备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）5-50重量％的芳香环 - （甲基）丙烯酸酯单体单元，（c）0.01〜0.5重量％的含氨基的（甲基）丙烯酸酯单体单元; 0.01〜2重量份作为交联剂的过氧化物; 和基于100重量份的（甲基）丙烯酸类聚合物的硅烷偶联剂为0.01〜2重量份。

公开(公告)号：US20090208741A1

公开(公告)日：2009-08-20

申请号：US12370967

申请日：2009-02-13

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

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

IPC: B32B27/36 ,  C08F8/30

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：US20090162577A1

公开(公告)日：2009-06-25

申请号：US12338435

申请日：2008-12-18

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: C09J131/02 ,  C09K19/00

CPC classification number: C09J133/08 ,  C09J133/14 ,  C09J2201/606 ,  Y10T428/1077 ,  Y10T428/2891

Abstract: There is provided an optical film pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that has reworkability such that optical films therewith can be easily separated from liquid crystal panels with no adhesive residue and also has satisfactory processability such that it can be processed without causing adhesive stain or dropout after it is formed on an optical film. The optical film pressure-sensitive adhesive composition includes 100 parts by weight of a (meth)acrylic polymer including, as monomer units, (a) 50 to 99.79% by weight of an alkyl (meth)acrylate monomer, (b) 0.01 to 0.45% by weight of a tertiary amino group-containing monomer, and (c) 0.1 to 3% by weight of a hydroxyl group-containing monomer; and 0.01 to 2 parts by weight of a crosslinking agent that is at least one selected from the group consisting of hexamethylene diisocyanate, hydrogenated xylylene diisocyanate, and isophorone diisocyanate, or a polyisocyanate compound derived therefrom.

Abstract translation: 提供一种光学膜压敏粘合剂组合物，其能够形成具有再加工性的粘合剂层，使得其中的光学膜可以容易地与液晶面板分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 在光学膜上形成之后不会引起粘合剂污渍或脱落。 光学膜压敏粘合剂组合物包括100重量份的（甲基）丙烯酸类聚合物，其包含作为单体单元的（a）50-99.79重量％的（甲基）丙烯酸烷基酯单体，（b）0.01至0.45 （c）0.1〜3重量％的含羟基单体;和（c）含有叔氨基的单体的重量％ 和0.01〜2重量份的选自六亚甲基二异氰酸酯，氢化亚二甲苯基二异氰酸酯和异佛尔酮二异氰酸酯中的至少一种的交联剂或由其衍生的多异氰酸酯化合物。