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1. 发明专利

JP2017090117A シートの検査装置及び検査方法审中-公开
公开(公告)号：JP2017090117A
公开(公告)日：2017-05-25
申请号：JP2015217560
申请日：2015-11-05
申请人：日東電工株式会社 , Nitto Denko Corp
发明人： TOKUCHI NAOKI , KIKAWA YOICHI , TSUCHINAGA MAKOTO , SASAKI SHIN
IPC分类号： G01N21/892 , G01B11/30
CPC分类号： G01B11/30 , G01N21/892
摘要：【課題】シート不良の発生位置及び発生原因を十分に特定し得るシートの検査装置等を提供する。【解決手段】移動経路に沿って移動する帯状のシートを検査するシートの検査装置であって、移動可能な架台と、前記架台に支持されて前記シートを検査する検査部とを備え、前記検査部は、前記シートに光を照射する光源部と、前記架台が前記移動経路における任意の位置に配された状態で前記シートに対する相対的な撮像位置及び撮像角度を調整可能に構成され、且つ、前記光源部によって光が照射されている前記シートを撮像する撮像部とを有している、シートの検査装置。【選択図】図2

2. 发明专利

JP2012133377A Polarizer protective film, polarizing plate and image display device 审中-公开
标题翻译：极化保护膜，极化板和图像显示装置
公开(公告)号：JP2012133377A
公开(公告)日：2012-07-12
申请号：JP2012016193
申请日：2012-01-30
申请人： Nippon Shokubai Co Ltd , Nitto Denko Corp , 日東電工株式会社 , 株式会社日本触媒
发明人： HASEGAWA HIROAKI , TSUJINO HISAFUMI , ASANO HIDEO , CHIBA TAKESHI , TOKUCHI NAOKI , SUGINO YOICHIRO
IPC分类号： G02B5/30 , C08F8/16 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a polarizer protective film having high heat resistance, high transparency, high optical characteristics and high mechanical strength and being excellent in adhesiveness with a polarizer; a polarizing plate using such a polarizer protective film and a polarizer, having excellent adhesiveness between the polarizer protective film and the polarizer, and being excellent in optical characteristics, particularly excellent in viewing angle characteristics of transmittance; and a high-quality image display device using such a polarizing plate.SOLUTION: The polarizer protective film of the present invention has a cellulosic resin layer having a thickness of 0.3 to 3 μm on at least one side of a transparent resin layer containing a (meth)acrylic resin having a lactone ring structure.
摘要翻译：要解决的问题：提供一种具有高耐热性，高透明度，高光学特性和高机械强度并且与偏振片的粘合性优异的偏振片保护膜。使用这种偏振片保护膜和偏振片的偏光板，偏振片保护膜和偏振片之间的粘合性优异，光学特性优异，透射率的视角特性优异; 以及使用这种偏振片的高品质图像显示装置。解决方案：本发明的偏振片保护膜在含有具有内酯环结构的（甲基）丙烯酸树脂的透明树脂层的至少一面上具有厚度为0.3〜3μm的纤维素树脂层。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2009139748A Polarizing plate, optical film and image display device 审中-公开
标题翻译：偏光板，光学膜和图像显示装置
公开(公告)号：JP2009139748A
公开(公告)日：2009-06-25
申请号：JP2007317451
申请日：2007-12-07
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： IWAMOTO NOBUAKI , KATO MEGUMI , TOKUCHI NAOKI , SUGINO YOICHIRO
IPC分类号： G02B5/30 , G02F1/1335 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a polarizing plate that has an adhesive layer, a transparent protective film and an optical compensation layer, in this order on at least one surface of a polarizer, and that can suppress display irregularities small even when used for a liquid crystal panel. SOLUTION: This invention relates to the polarizing plate which has an adhesive layer, a transparent protective film, and an optical compensation layer, in this order on at least one surface of a polarizer. The optical compensation layer satisfies a relation of nx>ny>nz, wherein nx, ny and nz represent refractive indices in X, Y and Z axes, respectively, with the X axis defined in a direction where the in-plane refractive index is maximum, the Y axis being perpendicular to the X axis, and the Z axis being in the thickness direction. The transparent protective film contains a (meth)acrylic resin having an unsaturated alkylcarboxylate unit and a glutaric acid anhydride unit. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了在偏振器的至少一个表面上依次提供具有粘合剂层，透明保护膜和光学补偿层的偏振片，并且即使当偏振片用于液晶面板。本发明涉及具有粘合剂层，透明保护膜和光学补偿层的偏振片，依次在偏振片的至少一个表面上。光学补偿层满足nx> ny> nz的关系，其中nx，ny和nz分别表示在X，Y和Z轴上的折射率，其中X轴在面内折射率最大的方向上限定，Y轴垂直于X轴，Z轴在厚度方向上。透明保护膜含有具有不饱和烷基羧酸酯单元和戊二酸酐单元的（甲基）丙烯酸树脂。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2009139735A Polarizing plate, its manufacturing method, optical film, and image display device 审中-公开
标题翻译：偏光板，其制造方法，光学膜和图像显示装置
公开(公告)号：JP2009139735A
公开(公告)日：2009-06-25
申请号：JP2007317322
申请日：2007-12-07
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： KOBAYASHI TSURAHITO , SUGINO YOICHIRO , TOKUCHI NAOKI , HANI TSUTOMU , KAWASAKI MOTOKO , UEDA YUJI
IPC分类号： G02B5/30 , C08F20/34 , G02F1/1335 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a polarizing plate capable of satisfying durability and uniformity (irregularity) of display. SOLUTION: The polarizing plate is provided with a transparent protection film via an adhesive layer on both the faces of a polyvinyl alcohol based polarizer. A one-side transparent protection film contains a (meth)acryl based resin having a glutarimide unit and (meth)acrylic acid ester unit. An in-plane phase difference is less than 40 nm, and the phase difference in a thickness direction is less than 80 nm. The other side transparent protection film contains a norbornene based resin, and a phase difference plate has a phase difference in which an in-plane phase difference is 40 nm or more and/or the phase difference in a thickness direction is 80 nm or more. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够满足显示器的耐久性和均匀性（不规则）的偏光板。解决方案：偏振片通过聚乙烯醇类偏振片的两面上的粘合剂层设置有透明保护膜。单面透明保护膜含有具有戊二酰亚胺单元和（甲基）丙烯酸酯单元的（甲基）丙烯酸系树脂。面内相位差小于40nm，厚度方向的相位差小于80nm。另一方的透明保护膜含有降冰片烯系树脂，相位差板的面内相位差为40nm以上的相位差和/或厚度方向的相位差为80nm以上。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2009122662A Polarizing plate, optical film, and image display device 有权
标题翻译：偏光板，光学膜和图像显示装置
公开(公告)号：JP2009122662A
公开(公告)日：2009-06-04
申请号：JP2008270799
申请日：2008-10-21
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SUGINO YOICHIRO , TOKUCHI NAOKI , NAKADA MIE , KOBAYASHI TSURAHITO
IPC分类号： G02B5/30 , G02F1/1335 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a polarizing plate which has an adhesive layer, a transparent protective film, and a liquid crystal optical compensation layer, in this order, on at least one side of a polarizer, and has an adhesive layer, and a transparent protective film, in this order, on the other side, and can suppress display unevenness to be small, when applied to a liquid crystal panel. SOLUTION: The polarizing plate has the adhesive layer, the transparent protective film A. and the liquid crystal optical compensation layer in this order on the at least one side of the polarizer, and has the adhesive layer, and the transparent protective film B in this order on the other side. The liquid crystal optical compensation layer is a liquid crystal optical compensation layer which is obtained by causing the inclined alignment of the optical axis of the liquid crystal; and in addition, at least either of the transparent protective film A and the transparent protective film B contains a (meth)acrylic resin having lactone-ring structure. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种具有粘合剂层，透明保护膜和液晶光学补偿层的偏振片，依次在偏振片的至少一个侧面上具有粘合剂层和透明保护膜，并且在施加到液晶面板时可以抑制显示不均匀性小。解决方案：偏振片在偏振片的至少一侧依次具有粘合层，透明保护膜A.和液晶光学补偿层，并具有粘合剂层，透明保护膜 B在这个顺序在另一边。液晶光学补偿层是通过使液晶的光轴倾斜取向得到的液晶光学补偿层; 此外，透明保护膜A和透明保护膜B中的至少任一方含有具有内酯环结构的（甲基）丙烯酸树脂。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2005284218A Method for manufacturing polarizing film, polarizing film, and image display device using polarizing film 有权
标题翻译：使用极化膜制造极化膜，极化膜和图像显示装置的方法
公开(公告)号：JP2005284218A
公开(公告)日：2005-10-13
申请号：JP2004102314
申请日：2004-03-31
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： WADA MORIMASA , KAMEYAMA TADAYUKI , MIZUSHIMA HIROAKI , TOKUCHI NAOKI
IPC分类号： B29C55/02 , G02B5/30 , G02F1/1335 , H01L51/50 , H05B33/02 , H05B33/14
CPC分类号： B29C55/026 , B29K2029/04 , B29K2995/0034 , G02B5/3025 , G02F1/133528
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a polarizing film which has excellent optical characteristics and uniform in-plane optical characteristics, the polarizing film obtained by this manufacturing method, an optical film formed by laminating this polarizing film and another optical layer, and an image display device to which this polarizing film and the optical film are applied. SOLUTION: In the polarizing film manufacturing method having processes of dyeing and stretching a raw film, and then drying it while conveying it using rolls, the ratio (R/W) of the distance between the rolls (R) at the time of the drying process to an initial raw film width (W) is made to fall within the range of 0.5 to 4.0. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：为了提供一种具有优异的光学特性和均匀的面内光学特性的偏光膜的制造方法，通过该制造方法获得的偏光膜，通过将该偏振膜和另一个偏振膜层叠而形成的光学膜光学层以及施加该偏振膜和光学膜的图像显示装置。解决方案：在具有染色和拉伸原料膜的方法，然后在使用辊输送的同时干燥的偏光膜制造方法中，此时辊（R）之间的距离的比（R / W）的干燥处理使初始原始膜宽度（W）落在0.5〜4.0的范围内。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2009139723A Polarizing plate, its manufacturing method, optical film, and image display device 审中-公开
标题翻译：偏光板，其制造方法，光学膜和图像显示装置
公开(公告)号：JP2009139723A
公开(公告)日：2009-06-25
申请号：JP2007317234
申请日：2007-12-07
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： KOBAYASHI TSURAHITO , SUGINO YOICHIRO , TOKUCHI NAOKI , KATO MEGUMI , UEDA YUJI , NAKADA MIE
IPC分类号： G02B5/30 , C09J7/02 , G02F1/1335 , G02F1/13363 , H01L51/50 , H05B33/02
摘要： PROBLEM TO BE SOLVED: To provide a polarizing plate capable of satisfying durability and uniformity (irregularity) of display. SOLUTION: The polarizing plate is provided with a transparent protection film via an adhesive layer on both the faces of a polyvinyl alcohol-based polarizer. The polarizing plate is characterized in that a one-side transparent protection film contains a (meth)acryl-based resin having an unsaturated carboxylic acid alkyl ester unit and glutaric acid anhydride unit, the one side transparent protection film has 40 nm or more of an in-plane phase difference and/or a phase difference plate has 80 nm or more in the phase difference in a thickness direction, and the other side transparent protection film has 40 nm or less of in-plane phase difference, and the phase difference in a thickness direction less than 80 nm. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够满足显示器的耐久性和均匀性（不规则）的偏光板。解决方案：偏振片通过聚乙烯醇类偏振片的两面上的粘合剂层设置有透明保护膜。偏光板的特征在于，单面透明保护膜含有具有不饱和羧酸烷基酯单元和戊二酸酐单元的（甲基）丙烯酸类树脂，单面透明保护膜的40nm以上为面内相位差和/或相位差板在厚度方向的相位差中为80nm以上，另一侧透明保护膜的面内相位差为40nm以下，厚度方向小于80nm。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008233768A Method for manufacturing polarizing plate, polarizing plate, and image display device 审中-公开
标题翻译：制造极化板，偏光板和图像显示装置的方法
公开(公告)号：JP2008233768A
公开(公告)日：2008-10-02
申请号：JP2007076745
申请日：2007-03-23
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： IWAMOTO NOBUAKI , TOKUCHI NAOKI , SUGINO YOICHIRO
IPC分类号： G02B5/30 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method in which deterioration of optical characteristics of a polarizing plate due to drying after bonding between a polarizer and a polarizer protection film is suppressed when the polarizing plate using the polarizer protection film with low moisture permeability having excellent optical characteristics is manufactured, the polarizing plate obtained by such the manufacturing method and furthermore, high quality image display device including such the polarizing plate. SOLUTION: In the method for manufacturing the polarizing plate, the polarizing plate is manufactured by bonding a first transparent protection film to one surface of the polarizer and bonding a second transparent protection film to the other surface, wherein moisture percentage of the polarizer is made 14-31 weight% and moisture permeability of at least one of the first transparent protection film and the second transparent protection film is made 150g/m 2 -24h or less. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种制造方法，其中当使用低水分偏振器保护膜的偏光板时，抑制了偏振片和偏振片保护膜之间的粘合之后由于干燥引起的偏振片的光学特性的劣化制造具有优异光学特性的透光性，通过这种制造方法获得的偏光板，此外，包括这种偏振片的高质量图像显示装置。解决方案：在偏光板的制造方法中，通过将第一透明保护膜粘合到偏振片的一个表面并将第二透明保护膜粘合到另一表面来制造偏振片，其中偏振片的水分百分比制成14-31重量％，第一透明保护膜和第二透明保护膜中的至少一个的透湿度为150g / m 2以上。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008158181A Polarizing plate and image display apparatus 审中-公开
标题翻译：偏光板和图像显示装置
公开(公告)号：JP2008158181A
公开(公告)日：2008-07-10
申请号：JP2006345821
申请日：2006-12-22
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SUGINO YOICHIRO , TOKUCHI NAOKI , HANI TSUTOMU , NAKAHARA KENJI , NAKADA MIE
IPC分类号： G02B5/30
CPC分类号： G02B5/305
摘要： PROBLEM TO BE SOLVED: To provide a polarizing plate which has no defect of unevenness and is superior in external appearance as well as in optical characteristics, and to provide an image display apparatus of high quality that uses the polarizing plate.
SOLUTION: The polarizing plate includes a polarizer and a protective layer (A) placed on at least one surface of the polarizer; wherein the protective layer (A) is a (meth)acrylic resin layer having a thickness of 1 to 50 μm with surface hardness of B or higher, in terms of pencil hardness, and an adhesive layer having a thickness of 50 to 150 nm is placed between the polarizer and the protective layer (A).
COPYRIGHT: (C)2008,JPO&INPIT

10. 发明专利

JP2008058768A Polarizer protection film, polarizing plate and image display apparatus 有权
标题翻译：极化保护膜，偏光板和图像显示装置
公开(公告)号：JP2008058768A
公开(公告)日：2008-03-13
申请号：JP2006237422
申请日：2006-09-01
申请人： Nitto Denko Corp , 日東電工株式会社
发明人： SUGINO YOICHIRO , CHIBA TAKESHI , HANI TSUTOMU , TOKUCHI NAOKI
IPC分类号： G02B5/30 , B32B27/30 , G02F1/1335
CPC分类号： G02B1/14 , B32B7/12 , B32B23/08 , B32B23/20 , B32B27/08 , B32B27/18 , B32B27/30 , B32B27/306 , B32B27/308 , B32B2255/10 , B32B2255/26 , B32B2307/306 , B32B2307/412 , B32B2307/42 , B32B2307/516 , B32B2307/558 , B32B2307/7145 , B32B2457/20 , G02B1/105 , G02B5/30 , G02B5/3033 , Y10T428/31935 , Y10T428/31938
摘要： PROBLEM TO BE SOLVED: To provide a polarizer protection film which is excellent in adhesiveness with a polarizer and is consisting essentially of (meth)acrylic resin, to provide a polarizing plate which comprises the polarizer protection film and the polarizer and in which the polarizer protection film and the polarizer hardly exfoliate from each other and to provide an image display apparatus of high definition using the polarizing plate. SOLUTION: The polarizer protection film has an application layer consisting essentially of (meth)acrylic resin (B) on at least one surface of the film consisting essentially of (meth)acrylic resin (A). COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种偏振片保护膜，其与偏振片的粘附性优异并且基本上由（甲基）丙烯酸树脂组成，以提供包括偏振器保护膜和偏振器的偏振片，并且其中偏振器保护膜和偏振片几乎不会相互剥离，并且提供使用偏振片的高清晰度的图像显示装置。解决方案：偏振器保护膜在基本上由（甲基）丙烯酸树脂（A）组成的膜的至少一个表面上具有基本上由（甲基）丙烯酸树脂（B）组成的涂布层。版权所有（C）2008，JPO＆INPIT

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