公开(公告)号：US20090116111A1

公开(公告)日：2009-05-07

申请号：US12262771

申请日：2008-10-31

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

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

IPC: G02B1/10 ,  B32B33/00 ,  B32B38/00

CPC classification number: C09J7/0246 ,  C09J7/22 ,  C09J7/38 ,  C09J133/066 ,  C09J2433/00 ,  Y10T428/1225 ,  Y10T428/14 ,  Y10T428/2809 ,  Y10T428/31928

Abstract: A pressure-sensitive adhesive optical film of the present invention comprises an optical film; and a pressure-sensitive adhesive layer laminated on at least one side of the optical film, wherein the pressure-sensitive adhesive layer is formed from an acrylic pressure-sensitive adhesive comprising a (meth)acrylic polymer comprising 30 to 99.99% by weight of an alkyl (meth)acrylate monomer unit and 0.01 to 15% by weight of a functional group-containing monomer unit, and the (meth)acrylic polymer in the acrylic pressure-sensitive adhesive is crosslinked by electron beam irradiation. The pressure-sensitive adhesive optical film has a high level of reworkability, durability and workability.

Abstract translation: 本发明的粘合型光学膜包括光学膜; 以及层叠在所述光学膜的至少一侧的压敏粘合剂层，其中，所述压敏粘合剂层由包含（甲基）丙烯酸类聚合物的丙烯酸类压敏粘合剂形成，所述（甲基）丙烯酸类聚合物包含30〜99.99重量％ （甲基）丙烯酸烷基酯单体单元和0.01〜15重量％的含官能团的单体单元，并且丙烯酸类压敏粘合剂中的（甲基）丙烯酸类聚合物通过电子束照射而交联。 压敏粘合剂光学膜具有高水平的再加工性，耐久性和可加工性。

公开(公告)号：US09377570B2

公开(公告)日：2016-06-28

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 ,  C08L33/06 ,  C09J7/02 ,  C09J133/04 ,  C09J133/06 ,  G02F1/1335

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：US09039861B2

公开(公告)日：2015-05-26

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: B05D5/00 ,  G02B5/30 ,  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膜包括光学膜和设在该光学膜上的压敏粘合剂层，其中该粘合剂层的厚度（μm）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：US20130280529A1

公开(公告)日：2013-10-24

申请号：US13993256

申请日：2011-12-12

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

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

IPC: G02B1/04

CPC classification number: G02B1/04 ,  C08G18/6229 ,  C08G18/8029 ,  C08G2170/40 ,  C09J7/385 ,  C09J133/066 ,  C09J133/08 ,  C09J175/04 ,  C09J2203/318 ,  G02B1/14 ,  G02B1/16 ,  G02B5/30 ,  G02F2001/13332 ,  G02F2202/28 ,  Y10T428/269 ,  Y10T428/2891 ,  C08F2220/1825 ,  C08F2220/185 ,  C08F220/20 ,  C08F220/06

Abstract: A pressure-sensitive adhesive composition for use on an optical film, includes a (meth)acryl-based polymer obtained by copolymerization of 30 to 98.9% by weight of an alkyl(meth)acrylate, 1 to 50% by weight of an aromatic ring-containing polymerizable monomer, and 0.1 to 20% by weight of a hydroxyl group-containing monomer, and a solvent. The (meth)acryl-based polymer is free of any carboxyl group-containing monomer unit and has a weight average molecular weight of 300,000 to 1,200,000 as measured by gel permeation chromatography. The content of a solid including the (meth)acryl-based polymer is 20% by weight or more, and the content of the solvent is 80% by weight or less.

Abstract translation: 用于光学膜的压敏粘合剂组合物包括通过共聚30至98.9重量％的（甲基）丙烯酸烷基酯，1至50重量％的芳环得到的（甲基）丙烯酸类聚合物 的含可聚合单体和0.1至20重量％的含羟基单体和溶剂。 （甲基）丙烯酸系聚合物不含任何含羧基的单体单元，通过凝胶渗透色谱法测定的重均分子量为30万〜120万。 包含（甲基）丙烯酸类聚合物的固体的含量为20重量％以上，溶剂的含量为80重量％以下。

公开(公告)号：US20130171371A1

公开(公告)日：2013-07-04

申请号：US13823492

申请日：2011-12-13

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

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

IPC: B05D5/10

CPC classification number: B05D5/10 ,  C09D7/20 ,  C09J7/50 ,  C09J2433/003 ,  C09J2465/003

Abstract: A method for production of an adhesive optical film comprises the step of forming an anchor layer by applying an anchor layer-forming coating liquid to the optical film to form a coating with a thickness of 20 μm or less before drying, wherein the anchor layer-forming coating liquid contains a mixed solvent composed mainly of water and an alcohol, and a binder resin, and by drying the coating under drying conditions satisfying both of the following requirements: (1) the drying temperature T is between 40° C. and 70° C.; and (2) the value (T×H) obtained by multiplying the drying temperature T (° C.) by the drying time H (seconds) satisfies the relation 400≦(T×H)≦4,000 to remove the mixed solvent.

Abstract translation: 粘合型光学薄膜的制造方法包括如下步骤：通过在光学薄膜上施加锚定层形成用涂布液，在干燥前形成厚度为20μm以下的涂层，形成锚定层， 成型涂布液含有主要由水和醇组成的混合溶剂和粘合剂树脂，并且在满足以下两个条件的干燥条件下干燥涂层：（1）干燥温度T在40℃和70℃之间 C。; 和（2）通过将干燥温度T（℃）乘以干燥时间H（秒）而获得的值（T×H）满足关系400 @（T×H）@ 4000以除去混合溶剂。

公开(公告)号：US20130169911A1

公开(公告)日：2013-07-04

申请号：US13820912

申请日：2011-09-07

Applicant: Nobuyuki Haida ,  Yuusuke Toyama ,  Takeharu Kitagawa

Inventor： Nobuyuki Haida ,  Yuusuke Toyama ,  Takeharu Kitagawa

IPC: G02F1/1335

CPC classification number: G02F1/133528

Abstract: The present invention provides a liquid crystal panel in which warping is controlled. The liquid crystal panel includes a liquid crystal cell 20, a first polarizing film 31 disposed on a viewer side of the liquid crystal cell 20 and a second polarizing film 32 disposed on a side of the liquid crystal cell 20 opposite to the viewer side. A thickness (d1) of the first polarizing film 31 is smaller than a thickness (d2) of the second polarizing film 32.

Abstract translation: 本发明提供一种控制翘曲的液晶面板。 液晶面板包括液晶单元20，设置在液晶单元20的观察者侧的第一偏振膜31和设置在与观看者侧相对的液晶单元20一侧的第二偏振膜32。 第一偏振片31的厚度（d1）小于第二偏振片32的厚度（d2）。

公开(公告)号：US20120300299A1

公开(公告)日：2012-11-29

申请号：US13479406

申请日：2012-05-24

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

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

IPC: G02B1/08 ,  B05D3/12

CPC classification number: G02B1/16 ,  B32B23/08 ,  B32B23/20 ,  B32B27/08 ,  B32B27/306 ,  B32B27/308 ,  B32B27/36 ,  B32B2250/02 ,  B32B2250/03 ,  B32B2250/04 ,  B32B2250/40 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/21 ,  B32B2307/4026 ,  B32B2307/412 ,  B32B2307/42 ,  B32B2307/516 ,  B32B2307/702 ,  B32B2307/704 ,  B32B2307/706 ,  B32B2307/708 ,  B32B2457/202 ,  C08K3/105 ,  C08K3/24 ,  C09J7/22 ,  C09J7/29 ,  C09J7/38 ,  C09J133/066 ,  C09J2201/606 ,  C09J2203/318 ,  C09J2205/102 ,  C09J2433/00 ,  G02B1/08 ,  G02B1/14 ,  G02B5/3025 ,  G02B5/3033 ,  G02B5/305 ,  G02F1/133533 ,  C08F2220/1825 ,  C08F2220/185 ,  C08F220/20 ,  C08F2220/301 ,  C08F220/06

Abstract: A pressure-sensitive adhesive layer-attached polarizing film of the invention includes: a polarizing film; and a pressure-sensitive adhesive layer provided on the polarizing film, wherein the polarizing film includes a polarizer and a transparent protective film provided on only one side of the polarizer, the pressure-sensitive adhesive layer is provided on a side of the polarizer where the transparent protective film is absent, and the pressure-sensitive adhesive layer is made of a pressure-sensitive adhesive composition containing a (meth)acryl-based polymer (A) and an alkali metal salt (B). The pressure-sensitive adhesive layer-attached polarizing film has a pressure-sensitive adhesive layer with an antistatic function and satisfactory durability and whose optical properties are less likely to be degraded.

Abstract translation: 本发明的带有粘合剂层的偏光膜包括：偏光膜; 以及设置在所述偏振膜上的压敏粘合剂层，其中所述偏振膜包括偏振片和仅设置在所述偏振片一侧的透明保护膜，所述粘合剂层设置在所述偏振片的一侧， 透明保护膜不存在，并且压敏粘合剂层由含有（甲基）丙烯酸类聚合物（A）和碱金属盐（B）的压敏粘合剂组合物制成。 带有粘合剂层的偏光膜具有抗静电功能和令人满意的耐久性的粘合剂层，其光学性能不太可能劣化。

公开(公告)号：US20110070435A1

公开(公告)日：2011-03-24

申请号：US12954102

申请日：2010-11-24

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

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

IPC: B32B27/30 ,  C09J7/02 ,  G02B1/10 ,  C09J133/10

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薄膜。 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：US20090279030A1

公开(公告)日：2009-11-12

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: G02F1/13363 ,  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生产的粘合剂。 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：US20090233093A1

公开(公告)日：2009-09-17

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 ,  C08G63/00

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。