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1. 发明专利

JP2009251326A Liquid crystal panel and liquid crystal display 审中-公开
标题翻译：液晶板和液晶显示器
公开(公告)号：JP2009251326A
公开(公告)日：2009-10-29
申请号：JP2008100003
申请日：2008-04-08
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SABAE MISAKI , TOMONAGA MASATOSHI , KOISHI NAOKI , BITO MASATO
IPC分类号： G02F1/13363 , G02B5/30 , G09F9/00
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal panel having an excellent screen contrast, and less color shift, and to provide a liquid crystal display. SOLUTION: The liquid crystal panel includes: a liquid crystal cell; a first polarizer disposed on one side of the liquid crystal cell; a first optical compensation layer of which the indicatrix shows a relation nz>nx>ny, a second optical compensation layer of which the indicatrix shows a relation nx>ny=nz and the in-plane retardation Re 2 is 80-200 nm, and a third optical compensation layer of which the indicatrix shows a relation nx=ny>nz, each disposed between the liquid crystal cell and the first polarizer sequentially from the first polarizer side; a second polarizer disposed on the other side of the liquid crystal cell; a fourth optical compensation layer of which the indicatrix shows a relation nx>ny>nz, a fifth optical compensation layer of which the indicatrix shows a relation nx>ny=nz and the in-plane retardation Re 5 is 80-200 nm, and a sixth optical compensation layer of which the indicatrix shows a relation nx=ny>nz, each disposed between the liquid crystal cell and the second polarizer, sequentially from the second polarizer side. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的屏幕对比度和较少色移的液晶面板，并提供液晶显示器。液晶面板包括：液晶单元; 设置在液晶单元一侧的第一偏振片; 指示符表示关系nz> nx> ny的第一光学补偿层，指示表示关系nx> ny = nz的第二光学补偿层和面内延迟Re 2 80-200nm，第三光学补偿层，其指示表示关系nx = ny> nz，各自从第一偏振器侧依次设置在液晶单元和第一偏振器之间; 设置在液晶单元的另一侧的第二偏振器; 第四光学补偿层，其指示符表示关系nx> ny> nz，第五光学补偿层的指示表示关系nx> ny = nz和面内延迟Re 5 80-200nm，第六光学补偿层，其指示表示从第二偏振器侧依次设置在液晶单元和第二偏振器之间的关系nx = ny> nz。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2008180961A Multilayer optical film, liquid crystal panel and liquid crystal display apparatus using the optical film 有权
标题翻译：多层光学薄膜，液晶面板和液晶显示装置使用光学薄膜
公开(公告)号：JP2008180961A
公开(公告)日：2008-08-07
申请号：JP2007014975
申请日：2007-01-25
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SABAE MISAKI , BITO MASATO , SHUDO SHUNSUKE , KAWAMOTO IKURO , MOTOMURA HIRONORI
IPC分类号： G02B5/30 , B32B7/02 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide: a multilayer optical film which has excellent screen contrast and small color shift; a liquid crystal panel; and a liquid crystal display apparatus using the laminated optical film. SOLUTION: The multilayer optical film at least has a polarizer, a first optical compensation layer in which an optical indicatrix shows a relation of nx>ny>nz and in-plane retardation Re 1 is 80 to 300 nm, a second optical compensation layer in which the optical indicatrix shows a relation of nz>nx=ny and a third optical compensation layer in which the optical indicatrix shows a relation of nx>ny>nz and the in-plane retardation Re 3 is 80 to 200 nm in this order and an absorption axis of the polarizer and a slow axis of the first optical compensation layer are orthogonally crossed. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供：具有优异的屏幕对比度和小的色移的多层光学膜; 液晶面板; 以及使用层叠光学膜的液晶显示装置。解决方案：多层光学膜至少具有偏振器，光学指示表示nx> ny> nz和面内延迟Re 1 的关系的第一光学补偿层为80° 光学指标表示nz> nx = ny的关系的第二光学补偿层和光学指示符表示nx> ny> nz的关系的第三光学补偿层和面内延迟Re 3 依次为80〜200nm，偏振片的吸收轴和第一光学补偿层的慢轴正交交叉。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2008176260A Multilayer optical film, liquid crystal panel using multilayer optical film and liquid crystal display device 有权
标题翻译：多层光学薄膜，使用多层光学薄膜和液晶显示装置的液晶面板
公开(公告)号：JP2008176260A
公开(公告)日：2008-07-31
申请号：JP2007051075
申请日：2007-03-01
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SABAE MISAKI , BITO MASATO , SHUDO SHUNSUKE , KAWAMOTO IKURO , MOTOMURA HIRONORI , KOZONOI NOBUYUKI
IPC分类号： G02B5/30 , G02F1/1335 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a multilayer optical film excellent in screen contrast and hardly causes color shift, to provide a liquid crystal panel provided with the multilayer optical film, and to provide a liquid crystal display device comprising the liquid crystal panel. SOLUTION: The multilayer optical film includes at least: a polarizer; a first optical compensation layer in which an index ellipsoid shows the relation of nz>nx=ny; a second optical compensation layer in which the index ellipsoid shows the relation of nx>ny=nz and in-plane retardation Re 2 is 80 to 300 nm; and a third optical compensation layer in which the index ellipsoid shows the relation of nx>ny>nz and in-plane retardation Re 3 is 80 to 200 nm, in the order, wherein absorption axis of the polarizer is parallel to slow axis of the second optical compensation layer. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：为了提供一种屏幕对比度优异并且几乎不引起色偏移的多层光学膜，提供一种设置有多层光学膜的液晶面板，并提供一种液晶显示装置，该液晶显示装置包括液晶面板。解决方案：多层光学膜至少包括：偏振器; 第一光学补偿层，其中索引椭圆体表示nz> nx = ny的关系; 第二光学补偿层，其中索引椭圆体显示nx> ny = nz和面内延迟Re 2 的关系为80至300nm; 以及第三光学补偿层，其中索引椭圆体显示nx> ny> nz和面内延迟Re 3 的关系为80至200nm，其顺序为偏振器的吸收轴平行于第二光学补偿层的慢轴。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2008134545A Multilayer optical film, liquid crystal panel using the multilayer optical film, and liquid crystal display device 有权
标题翻译：多层光学薄膜，使用多层光学薄膜的液晶面板和液晶显示装置
公开(公告)号：JP2008134545A
公开(公告)日：2008-06-12
申请号：JP2006321879
申请日：2006-11-29
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： BITO MASATO , SHUDO SHUNSUKE , KAWAMOTO IKURO , MOTOMURA HIRONORI
IPC分类号： G02F1/13363 , G02B5/30 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a multilayer optical film having excellent screen contrast and a reduced color shift. SOLUTION: The multilayer optical film at least includes: a polarizer; a first optical compensation layer in which a refractive index ellipsoid exhibits the relation of nx>ny=nz and an in-plane phase difference Re 1 is 200 to 300 nm; a second optical compensation layer in which a refractive index ellipsoid exhibits the relation of nx>nz>ny and an in-plane phase difference Re 2 is 90 to 160 nm; and a third optical compensation layer in which a refractive index ellipsoid exhibits the relation of nx=ny>nz in this order, and an angle α formed by the absorption axis of the polarizer and the slow axis of the first optical compensation layer and an angle βformed by the absorption axis of the polarizer and the slow axis of the second optical compensation layer satisfy the following inequality (1) (2α+30°) COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的屏幕对比度和减少的色移的多层光学膜。解决方案：多层光学膜至少包括：偏振器; 表现出nx> ny = nz和面内相位差Re 1 的关系的折射率椭球的第一光学补偿层为200〜300nm; 表现出nx> nz> ny和面内相位差Re 2 的关系的折射率椭球的第二光学补偿层为90〜160nm; 以及第三光学补偿层，其中折射率椭圆体依次表现出nx = ny> nz的关系，以及由偏振器的吸收轴和第一光学补偿层的慢轴形成的角度α和角度由偏振器的吸收轴形成的β和第二光学补偿层的慢轴满足以下不等式（1）（2α+ 30°）<β<（2α+ 60°）。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2011164579A Adhesion type polarizing plate and image display device 有权
标题翻译：粘合型偏光板和图像显示装置
公开(公告)号：JP2011164579A
公开(公告)日：2011-08-25
申请号：JP2010235655
申请日：2010-10-20
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： CHIBA TAKESHI , BITO MASATO , MIYAKI YUSHI
IPC分类号： G02B5/30 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide an adhesion type polarizing plate hardly causing the light escaping of an image display device even if a use environment is changed, and to provide the image display device using the same.
SOLUTION: In the adhesion type polarizing plate 10 formed by laminating a transparent protective film 2 at least on one surface of a polarizer 1 and laminating an adhesive layer 5 on the surface of the transparent protective film which the polarizer 1 is not laminated on, the adhesive layer is formed of an adhesive containing an acryl based polymer containing alkyl (metha) acylate and (metha) acrylate having an aromatic ring structure as monomer units. When the photoelastic coefficient of the transparent protective film is expressed by X m
2 /N and the content of the (metha) acrylate monomer unit having the aromatic ring structure in the acryl based polymer is expressed by Y%, it is necessary to satisfy a prescribed relation between X and Y for solving the problem.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使使用环境改变，也提供一种几乎不会使图像显示装置的光逸出的附着型偏振片，并且提供使用该偏振片的图像显示装置。解决方案：在通过在偏振器1的至少一个表面上层压透明保护膜2并且在透明保护膜的未层叠透明保护膜的表面上层压粘合剂层5而形成的粘合型偏振片10中粘合剂层由含有作为单体单元的具有芳香环结构的（甲基）丙烯酸烷基酯（甲基）丙烯酸酯的丙烯酸系聚合物的粘合剂形成。当透明保护膜的光弹性系数由X m 2 / N表示，并且在丙烯酸类聚合物中具有芳环结构的（甲基）丙烯酸酯单体单元的含量由Y％，为了解决问题，需要满足X和Y之间的规定关系。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2009251442A Multilayer optical film, and liquid crystal panel and liquid crystal display device using multilayer optical film 有权
标题翻译：多层光学膜和液晶板和液晶显示器件使用多层光学膜
公开(公告)号：JP2009251442A
公开(公告)日：2009-10-29
申请号：JP2008101439
申请日：2008-04-09
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SABAE MISAKI , TOMONAGA MASATOSHI , KOISHI NAOKI , BITO MASATO
IPC分类号： G02B5/30 , G02F1/1335 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a multilayer optical film which is excellent in a screen contrast and is less in color shift, and to provide a liquid crystal panel and a liquid crystal display device. SOLUTION: The multilayer optical film comprises a polarizer, a first optical compensation layer having an index ellipsoid showing a relationship of nx>ny=nz, and a second optical compensation layer having an index ellipsoid showing a relationship of nz>nx>ny, wherein the polarizer and compensation layers are placed in such a manner that an absorption axis of the polarizer and a slow axis of the first optical compensation layer are parallel to or orthogonal to each other and that an absorption axis of the polarizer and a slow axis of the second optical compensation layer are parallel to or orthogonal to each other. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种屏幕对比度优异且色偏小的多层光学膜，并提供液晶面板和液晶显示装置。解决方案：多层光学膜包括偏振器，具有表示nx> ny = nz的关系的索引椭圆体的第一光学补偿层和具有nz> nx> nx的关系的索引椭圆体的第二光学补偿层， ny，其中偏振器和补偿层以这样的方式放置，使得偏振器的吸收轴和第一光学补偿层的慢轴彼此平行或正交，并且偏振器的吸收轴和慢第二光学补偿层的轴线彼此平行或正交。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009192612A Multilayer optical film, liquid crystal panel using multilayer optical film, and liquid crystal display 有权
标题翻译：多层光学薄膜，使用多层光学薄膜的液晶面板和液晶显示
公开(公告)号：JP2009192612A
公开(公告)日：2009-08-27
申请号：JP2008030499
申请日：2008-02-12
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SABAE MISAKI , BITO MASATO , MORI TAKUYA
IPC分类号： G02B5/30 , B32B7/02 , G02F1/1335 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a multilayer optical film having excellent screen contrast and small color shift, and to provide a liquid crystal panel and a liquid crystal display. SOLUTION: The multilayer optical film includes a polarizer, a first optical compensation layer exhibiting relationship of nx=ny>nz by a refractive index ellipsoid and a second optical compensation layer exhibiting relationship of nz≥nx>ny by a refractive index ellipsoid in this order. An absorption axis of the polarizer and a delay phase axis of the second optical compensation layer are orthogonal. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供具有优异的屏幕对比度和较小色移的多层光学膜，并提供液晶面板和液晶显示器。解决方案：多层光学膜包括偏振器，由折射率椭球表现出nx = ny> nz的关系的第一光学补偿层和由折射率椭球表现出nz≥nx> ny关系的第二光学补偿层按此顺序偏振器的吸收轴和第二光学补偿层的延迟相位轴正交。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008185796A Liquid crystal panel and liquid crystal display 有权
标题翻译：液晶板和液晶显示器
公开(公告)号：JP2008185796A
公开(公告)日：2008-08-14
申请号：JP2007019276
申请日：2007-01-30
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： BITO MASATO , SABAE MISAKI , KAWAMOTO IKURO , SHUDO SHUNSUKE
IPC分类号： G02F1/13363 , G02B5/30 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal panel and a liquid crystal display which have excellent screen contrast and less color shift.
SOLUTION: The liquid crystal panel is provided with a liquid crystal cell, a first polarizer disposed on one side of the liquid crystal cell and a second polarizer disposed on the other side of the liquid crystal cell. The liquid crystal panel is further provided with a first optical compensation layer wherein a refractive index ellipsoid shows a relationship of nx>ny=nz and in-plane retardation Re
1 is 80 to 300 nm, a second optical compensation layer wherein a refractive index ellipsoid shows a relationship of nx>ny=nz and in plane retardation Re
2 is 80 to 200 nm and a third optical compensation layer wherein a refractive index ellipsoid shows a relationship of nx=ny>nz which are disposed sequentially from the first polarizer side between the liquid crystal cell and the first polarizer. The liquid crystal panel is further provided with a fourth optical compensation layer wherein a refractive index ellipsoid shows a relationship of nz>nx=ny, a fifth optical compensation layer wherein a refractive index ellipsoid shows a relationship of nx>ny=nz and in-plane retardation Re
5 is 80 to 200 nm and a sixth optical compensation layer wherein a refractive index ellipsoid shows a relationship of nx=ny>nz which are disposed sequentially from the second polarizer side between the liquid crystal cell and the second polarizer.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的屏幕对比度和较少颜色偏移的液晶面板和液晶显示器。解决方案：液晶面板设置有液晶单元，设置在液晶单元一侧的第一偏振器和设置在液晶单元另一侧的第二偏振器。液晶面板还设置有第一光学补偿层，其中折射率椭球表示nx> ny = nz和面内相位差Re 1 的关系为80至300nm，第二光学补偿层，其中折射率椭球表示nx> ny = nz的关系，并且在平面延迟中Re 2 为80至200nm，并且第三光学补偿层，其中折射率椭球表示nx的关系 nz，其从液晶单元和第一偏振器之间的第一偏振器侧依次布置。液晶面板还设置有第四光学补偿层，其中折射率椭圆体表示nz> nx = ny的关系，第五光学补偿层，其中折射率椭球表示nx> ny = nz的关系，平面延迟Re 5 为80〜200nm，第六光学补偿层，其中折射率椭圆体表示从液晶单元之间的第二偏振器侧依次配置的nx = ny> nz的关系和第二偏振器。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2008151961A Method for manufacturing optical film 审中-公开
标题翻译：制造光学膜的方法
公开(公告)号：JP2008151961A
公开(公告)日：2008-07-03
申请号：JP2006338966
申请日：2006-12-15
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： BITO MASATO , HATA KAZUYA , KAMIJO TAKUJI , KAWAMOTO IKURO , UMEMOTO SEIJI
IPC分类号： G02B5/30 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an optical film preventing light leakage in black display of a liquid crystal display device inexpensively with uniform optical characteristics. SOLUTION: The method includes steps of: rubbing a long plastic film F; applying and fixing liquid crystalline molecules on the surface of the rubbed film to form a first optical compensation layer 13 satisfying nx>ny=nz; and laminating a second optical compensation layer 14 satisfying nx>ny>nz and 1.2≤Nz≤2 thereon. In the rubbing step, the film is conveyed by a conveyer belt 3 having a metal surface, and a backup roll mechanism 5 supporting the undersurface of the conveyer belt is arranged. The mechanism includes a plurality of backup rolls 51 individually rotating along the conveyance direction of the conveyer belt, and each backup roll is arranged along a straight line directly under the rubbing roll and almost parallel to the rotation axis of the rubbing roll. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种以均匀的光学特性廉价地制造防止液晶显示装置的黑色显示中的漏光的光学膜的方法。解决方案：该方法包括以下步骤：摩擦长塑料膜F; 在摩擦膜的表面上施加和固定液晶分子以形成满足nx> ny = nz的第一光学补偿层13; 并且在其上层叠满足nx> ny> nz和1.2≤Nz≤2的第二光学补偿层14。在摩擦步骤中，通过具有金属表面的传送带3传送胶片，并且布置有支撑输送带下表面的支承辊机构5。该机构包括沿输送带的输送方向单独旋转的多个支承辊51，并且每个支承辊沿直线布置在摩擦辊的正下方并且几乎平行于摩擦辊的旋转轴线。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2013164622A Adhesion type polarizing plate and image display device 审中-公开
标题翻译：粘合型偏光板和图像显示装置
公开(公告)号：JP2013164622A
公开(公告)日：2013-08-22
申请号：JP2013096496
申请日：2013-05-01
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： CHIBA TAKESHI , BITO MASATO , MIYAKI YUJI
IPC分类号： G02B5/30 , C09J133/08 , C09J133/10 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide an adhesion type polarizing plate hardly causing light escaping of an image display device even if use environment is changed, and to provide the image display device using the same.SOLUTION: In the adhesion type polarizing plate 10 formed by laminating a transparent protective film 2 at least on one surface of a polarizer 1 and laminating an adhesive layer 5 on a surface of a side of the transparent protective film where the polarizer 1 is not laminated, the adhesive layer is formed of an adhesive comprising an acryl based polymer containing alkyl (meta) acylate and (meta) acrylate having aromatic ring structure as monomer units. If photoelastic coefficient of the transparent protective film is expressed by X m/N and content of a (meta) acrylate monomer unit having the aromatic ring structure in the acryl based polymer is expressed by Y%, X and Y satisfy prescribed relation, thereby the problem is solved.
摘要翻译：要解决的问题：即使改变使用环境，也提供一种几乎不引起图像显示装置的光逸出的粘合型偏振片，并提供使用该偏振片的图像显示装置。在偏振片1的至少一个表面上层压透明保护膜2，并且在偏光镜1未层叠的透明保护膜的一侧的表面上层叠粘合剂层5，粘合剂层由粘合剂层含有（甲基）烷基（甲基）酰化物的丙烯酸类聚合物和具有芳环结构的（甲基）丙烯酸酯作为单体单元。如果透明保护膜的光弹性系数由X m / N表示，并且在丙烯酸类聚合物中具有芳香环结构的（甲基）丙烯酸酯单体单元的含量以Y％表示，则X和Y满足规定关系，由此问题解决了。

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