公开(公告)号：US09400406B2

公开(公告)日：2016-07-26

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：US20120300300A1

公开(公告)日：2012-11-29

申请号：US13479986

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 ,  Arata Fujihara

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

IPC: C08K5/56 ,  B32B7/12 ,  G02B5/30 ,  C08L83/06

CPC classification number: C09J133/066 ,  B32B2457/20 ,  B32B2457/202 ,  B32B2457/206 ,  C09J7/22 ,  C09J7/38 ,  C09J2203/318 ,  C09J2433/00 ,  C09J2471/00 ,  G02F2202/28 ,  Y10T428/1059 ,  Y10T428/1068 ,  Y10T428/1073 ,  Y10T428/1077 ,  Y10T428/1082 ,  Y10T428/2891 ,  C08F2220/1825 ,  C08F2220/185 ,  C08F220/20

Abstract: A pressure-sensitive adhesive composition for an optical film of the invention includes a (meth)acryl-based polymer(A), a polyether compound (B) having a polyether skeleton and a reactive silyl group and an ionic compound (C). The pressure-sensitive adhesive composition for an optical film has an antistatic function and can form a pressure-sensitive adhesive layer durable enough under severe conditions.

Abstract translation: 本发明的光学膜用粘合剂组合物包括（甲基）丙烯酸类聚合物（A），具有聚醚骨架和反应性甲硅烷基的聚醚化合物（B）和离子性化合物（C）。 用于光学膜的压敏粘合剂组合物具有抗静电功能，并且可以形成在苛刻条件下足够耐用的压敏粘合剂层。

公开(公告)号：US08189149B2

公开(公告)日：2012-05-29

申请号：US12306847

申请日：2007-06-08

Applicant: Masayuki Satake ,  Yuusuke Toyama ,  Naotaka Kinjou ,  Takashi Shimizu ,  Kentarou Yoshida

Inventor： Masayuki Satake ,  Yuusuke Toyama ,  Naotaka Kinjou ,  Takashi Shimizu ,  Kentarou Yoshida

IPC: G02F1/1333 ,  G02F1/1335

CPC classification number: G02B5/3033 ,  C08L2312/00 ,  C09J133/02 ,  C09J133/066 ,  G02F1/133528 ,  G02F2202/28

Abstract: A liquid crystal panel has a first optical film (4) adhered to a viewing side of a liquid crystal cell (2) through a first pressure-sensitive adhesive layer (3), and a second optical film (6) adhered to the reverse side of the liquid crystal cell (2) through a second pressure-sensitive adhesive layer (5). A creep value (L1) of the first pressure-sensitive adhesive layer (3) is from 50 to 3000 μm. A creep value (L2) of the second pressure-sensitive adhesive layer (5) is from 10 to 400 μm. The creep value (L1) of the first pressure-sensitive adhesive layer (3) is larger than the creep value (L2) of the second pressure-sensitive adhesive layer (5). The creep value means the shift amount after one hour of the pressure-sensitive adhesive layer having a thickness of 20 μm in a case where a tensile shearing force of 4.9 N is applied to an adhesive area of 10 mm2 at 23° C.

Abstract translation: 液晶面板具有通过第一粘合剂层（3）粘附到液晶单元（2）的观看侧的第一光学膜（4）和粘附到反面的第二光学膜（6） 的液晶单元（2）通过第二压敏粘合剂层（5）。 第一粘合剂层（3）的蠕变值（L1）为50〜3000μm。 第二粘合剂层（5）的蠕变值（L2）为10〜400μm。 第一粘合剂层（3）的蠕变值（L1）大于第二粘合剂层（5）的蠕变值（L2）。 蠕变值是指在23℃的拉伸剪切力为4.9N的粘合面积施加到10mm 2的粘合面积的情况下，压敏粘合剂层的厚度为20μm的1小时后的移动量。

公开(公告)号：US07976669B2

公开(公告)日：2011-07-12

申请号：US12066462

申请日：2006-09-28

Applicant: Minoru Miyatake ,  Hiroaki Mizushima ,  Yuusuke Toyama ,  Yuuji Saiki ,  Naoyuki Nitta

Inventor： Minoru Miyatake ,  Hiroaki Mizushima ,  Yuusuke Toyama ,  Yuuji Saiki ,  Naoyuki Nitta

IPC: B29C65/00 ,  B31B1/60 ,  B32B37/00 ,  B32B7/12 ,  G02F1/1335

CPC classification number: C09J133/02 ,  C08K5/0025 ,  C09J129/04 ,  C09J133/06 ,  C09J133/08 ,  C09J2201/606 ,  G02B5/305 ,  Y10T156/10 ,  Y10T428/1059

Abstract: A pressure-sensitive adhesive and retardation layer-attached polarizing plate (4) comprises a retardation layer-attached polarizing plate (3) comprising a polarizing plate (2) that comprises an iodine-based polarizer (1) and a transparent protective film laminated on both sides of the polarizer and a method for manufacturing the pressure-sensitive adhesive and retardation layer attached polarizing plate (4).

Abstract translation: 粘合剂和延迟层附着的偏光板（4）包括具有偏振板（2）的延迟层附着的偏光板（3），该偏光板包括碘系偏振片（1）和层叠在基板上的透明保护膜 偏振片的两面以及粘合剂和相位差层附着的偏光板（4）的制造方法。

公开(公告)号：US20100039590A1

公开(公告)日：2010-02-18

申请号：US12066462

申请日：2006-09-28

Applicant: Minoru Miyatake ,  Hiroaki Mizushima ,  Yuusuke Toyama ,  Yuuji Saiki ,  Naoyuki Nitta

Inventor： Minoru Miyatake ,  Hiroaki Mizushima ,  Yuusuke Toyama ,  Yuuji Saiki ,  Naoyuki Nitta

IPC: G02F1/1335 ,  G02B1/08 ,  B32B37/00

CPC classification number: C09J133/02 ,  C08K5/0025 ,  C09J129/04 ,  C09J133/06 ,  C09J133/08 ,  C09J2201/606 ,  G02B5/305 ,  Y10T156/10 ,  Y10T428/1059

Abstract: A pressure-sensitive adhesive and retardation layer-attached polarizing plate (4) of the invention comprises a retardation layer-attached polarizing plate (3) comprising a polarizing plate (2) that comprises an iodine-based polarizer (1) and a transparent protective film laminated on both sides of the polarizer (1); and a retardation layer provided on at least one of the transparent protective films; and an acrylic pressure-sensitive adhesive layer laminated on the retardation layer side of the retardation layer-attached polarizing plate (3), wherein the iodine-based polarizer (1) has a ratio (K/I), which is the content (% by weight) of potassium (K) to the content (% by weight) of iodine (I) in the polarizer, of 0.200 to 0.235, the polarizing plate (2) comprises the iodine-based polarizer (1) and the transparent protective film laminated with an adhesive layer formed from a water-soluble adhesive containing an acetoacetyl group-containing polyvinyl alcohol resin and a crosslinking agent, the retardation layer-attached polarizing plate (3) has a measured dimensional shrinkage of 0.5% or less in the direction of its absorption axis after it is allowed to stand at 80° C. for 24 hours, the pressure-sensitive adhesive and retardation layer-attached polarizing plate (4) has a single-piece transmittance of 41.0% to 43.2%. The pressure-sensitive adhesive and retardation layer-attached polarizing plate can resist a change in optical properties and keep visibility high, even under heated or humidified conditions.

Abstract translation: 本发明的压敏粘合剂和相位差层附着的偏光板（4）包括具有偏振板（2）的延迟层附着的偏光板（3），该偏光板包括碘系偏振片（1）和透明保护膜 薄膜层压在偏振器（1）的两侧; 以及设置在所述透明保护膜中的至少一个上的延迟层; 以及层叠在相位差层附着的偏光板（3）的相位差层侧的丙烯酸系压敏粘合剂层，其中，所述碘系偏振片（1）的比例（K / I）为所述含量（％ （K）相对于偏振片中碘（I）的含量（重量％）为0.200〜0.235，偏振片（2）包含碘系偏振片（1）和透明保护膜 层压有由含有含乙酰乙酰基的聚乙烯醇树脂和交联剂的水溶性粘合剂形成的粘合剂层，所述延迟层附着的偏光板（3）的测定尺寸收缩率为0.5％以下， 其吸收轴在80℃静置24小时后，粘合剂和延迟层附着的偏光板（4）的单片透射率为41.0％〜43.2％。 压敏粘合剂和延迟层附着的偏光板即使在加热或加湿的条件下也能抵抗光学性能的变化并保持可见性。

公开(公告)号：US20090322994A1

公开(公告)日：2009-12-31

申请号：US12306847

申请日：2007-06-08

Applicant: Masayuki Satake ,  Yuusuke Toyama ,  Naotaka Kinjou ,  Takashi Shimizu ,  Kentarou Yoshida

Inventor： Masayuki Satake ,  Yuusuke Toyama ,  Naotaka Kinjou ,  Takashi Shimizu ,  Kentarou Yoshida

IPC: G02F1/1335 ,  G02F1/1333

CPC classification number: G02B5/3033 ,  C08L2312/00 ,  C09J133/02 ,  C09J133/066 ,  G02F1/133528 ,  G02F2202/28

Abstract: A liquid crystal panel has a first optical film (4) adhered to a viewing side of a liquid crystal cell (2) through a first pressure-sensitive adhesive layer (3), and a second optical film (6) adhered to the reverse side of the liquid crystal cell (2) through a second pressure-sensitive adhesive layer (5). A creep value (L1) of the first pressure-sensitive adhesive layer (3) is from 50 to 3000 μm. A creep value (L2) of the second pressure-sensitive adhesive layer (5) is from 10 to 400 μm. The creep value (L1) of the first pressure-sensitive adhesive layer (3) is larger than the creep value (L2) of the second pressure-sensitive adhesive layer (5). The creep value means the shift amount after one hour of the pressure-sensitive adhesive layer having a thickness of 20 μm in a case where a tensile shearing force of 4.9 N is applied to an adhesive area of 10 mm2 at 23° C.

Abstract translation: 液晶面板具有通过第一粘合剂层（3）粘附到液晶单元（2）的观看侧的第一光学膜（4）和粘附到反面的第二光学膜（6） 的液晶单元（2）通过第二压敏粘合剂层（5）。 第一粘合剂层（3）的蠕变值（L1）为50〜3000μm。 第二粘合剂层（5）的蠕变值（L2）为10〜400μm。 第一粘合剂层（3）的蠕变值（L1）大于第二粘合剂层（5）的蠕变值（L2）。 蠕变值是指在23℃下对粘合面积为10mm2的拉伸剪切力为4.9N的情况下，粘合剂层厚度为20μm的粘合剂层1小时后的移动量。

公开(公告)号：US20090233102A1

公开(公告)日：2009-09-17

申请号：US11720688

申请日：2005-11-17

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

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

IPC: B32B27/40 ,  C08K3/18 ,  B05D3/00

CPC classification number: C09J175/04 ,  C08G18/7642 ,  C08G2170/40 ,  C09J133/04 ,  G02B5/30 ,  Y10T428/31551

Abstract: The invention relates to a pressure-sensitive adhesive for an optical film, comprising 0.02 to 2 parts by weight of a peroxide (B) and 0.01 to 5 parts by weight of an isocyanate-based compound (C) contained in 100 parts by weight of a (meth)acrylic polymer (A) consisting primarily of an alkyl(meth)acrylate and not containing a functional group reactive with an isocyanate group. By using the invented pressure-sensitive adhesive for an optical film, there can be obtained a pressure sensitive adhesion type optical film that can suppress warping and light leakage caused by a stress accompanying a dimensional change of members such as an optical film, has high durability, is excellent in handling ability in the manufacturing process and is excellent in quality.

Abstract translation: 本发明涉及一种用于光学膜的压敏粘合剂，其包含0.02至2重量份的过氧化物（B）和0.01至5重量份的异氰酸酯基化合物（C），其包含在100重量份的 主要由（甲基）丙烯酸烷基酯组成的不含与异氰酸酯基反应的官能团的（甲基）丙烯酸聚合物（A）。 通过使用本发明的光学膜用粘合剂，可以获得能够抑制伴随光学膜等构件的尺寸变化的应力引起的翘曲和漏光的压敏粘合型光学膜，具有高耐久性 ，在制造工序中的处理能力优异，质量优异。

公开(公告)号：US20090027596A1

公开(公告)日：2009-01-29

申请号：US11911989

申请日：2007-02-07

Applicant: Yuusuke Toyama ,  Naoyuki Nitta ,  Masayuki Satake ,  Hironori Motomura ,  Yoshifumi Yamamoto

Inventor： Yuusuke Toyama ,  Naoyuki Nitta ,  Masayuki Satake ,  Hironori Motomura ,  Yoshifumi Yamamoto

IPC: G02F1/13363 ,  G02F1/13

CPC classification number: G02B5/3033 ,  G02B5/3083

Abstract: There are provided a polarizing plate laminated with a retardation layer, a liquid crystal panel and a liquid crystal display apparatus each being excellent in screen contrast and being capable of suppressing display unevenness occurring in high-temperature environment. The polarizing plate laminated with a retardation layer includes a pressure-sensitive adhesive layer, a retardation layer including a resin layer and an inclined alignment layer and a polarizer, in this order.

Abstract translation: 提供一种层叠有延迟层，液晶面板和液晶显示装置的偏振片，其各自具有优异的屏幕对比度并且能够抑制在高温环境中发生的显示不均匀。 层叠有延迟层的偏光板依次包括粘合剂层，包括树脂层的延迟层和倾斜取向层以及偏振片。

公开(公告)号：US20080145572A1

公开(公告)日：2008-06-19

申请号：US11955850

申请日：2007-12-13

Applicant: Kohei YANO ,  Akiko OGASAWARA ,  Tsuyoshi CHIBA ,  Yuusuke TOYAMA ,  Shinichi INOUE ,  Masayuki SATAKE

Inventor： Kohei YANO ,  Akiko OGASAWARA ,  Tsuyoshi CHIBA ,  Yuusuke TOYAMA ,  Shinichi INOUE ,  Masayuki SATAKE

IPC: C09K19/00

CPC classification number: G02B5/3016 ,  C09J7/29 ,  C09J7/385 ,  C09J2433/00 ,  C09K2019/0429 ,  C09K2019/0448 ,  Y10T428/1077 ,  Y10T428/2861 ,  Y10T428/2891

Abstract: A pressure-sensitive adhesive optical film of the present invention comprises: an optical film comprising a transparent base film and a discotic liquid crystal layer on one side of the transparent base film; and a pressure-sensitive adhesive layer that is provided on the discotic liquid crystal layer, wherein the pressure-sensitive adhesive layer is made from a pressure-sensitive adhesive containing an acrylic polymer comprising an alkyl(meth)acrylate (a1) and a ring structure-containing (meth)acrylate (a2) as monomer units and having a weight average molecular weight of 1,000,000 to 3,000,000, and a crosslinking agent. The pressure-sensitive adhesive optical film has durability and can be prevented from causing display unevenness in a peripheral portion of a display screen.

Abstract translation: 本发明的粘合型光学膜包括：透明基膜一侧的透明基膜和盘状液晶层的光学膜; 以及设置在盘状液晶层上的压敏粘合剂层，其中该压敏粘合剂层由含有包含（甲基）丙烯酸烷基酯（a1）的丙烯酸类聚合物和环状结构的压敏粘合剂制成 的（甲基）丙烯酸酯（a2）作为单体单元，重均分子量为1,000,000〜3,000,000，交联剂。 粘合型光学薄膜具有耐久性，可以防止在显示屏的周边部分产生显示不均匀。

公开(公告)号：US20060121273A1

公开(公告)日：2006-06-08

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: B32B27/04 ,  D06N3/00 ,  B32B7/12

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）。