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公开(公告)号：US20130194211A1
公开(公告)日：2013-08-01
申请号：US13742983
申请日：2013-01-16
Applicant: Dai Nippon Printing Co., Ltd.
Inventor： Seiji Shinohara , Seiichi Isojima , Hiroki Nakagawa , Gen Furui
CPC classification number: G02B1/115 , G02B5/3083 , G02F1/133528 , G06F3/041 , G06F3/044
Abstract: Provided is an optical layered body that includes a polyester base, a primer layer formed thereon, and a hard coat layer formed on the primer. The polyester has a retardation of not less than 8000 nm, and a difference (nx−ny) of 0.07 to 0.20 between a refractive index (nx) in a slow axis direction that is a high refractive index direction and a refractive index (ny) of a fast axis direction that is orthogonal to the slow axis direction, a refractive index (np) of the primer, the refractive index (nx) in the slow axis direction of the polyester, and the refractive index (ny) in the fast axis direction of the polyester satisfy ny
Abstract translation: 提供一种光学层叠体，其包括聚酯基底，形成在其上的底漆层和形成在底漆上的硬涂层。 聚酯具有不小于8000nm的延迟，并且在高折射率方向的慢轴方向上的折射率（nx）与折射率（ny）之间的差（nx-ny）为0.07至0.20， 与慢轴方向正交的快轴方向，底漆的折射率（np），聚酯的慢轴方向的折射率（nx）以及快轴的折射率（ny） 聚酯的方向满足ny
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公开(公告)号：US11169303B2
公开(公告)日：2021-11-09
申请号：US14369514
申请日：2012-12-14
Applicant: DAI NIPPON PRINTING CO., LTD.
Inventor： Tomoyuki Horio , Masayuki Tsunekawa , Seiichi Isojima , Kana Yamamoto
Abstract: Provided is an optical layered body which is extremely high in the stability of the antistatic performance, and has a stable surface resistance even after a durability test. The optical layered body includes an antistatic layer on one face of a light-transmitting substrate, wherein the antistatic layer is formed using a composition for an antistatic layer containing conductive fine particles, a resin component, and a solvent, and the resin component has no reactive functional groups in a molecule, and is soluble in the solvent and compatible with the conductive fine particles.
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公开(公告)号：US10935700B2
公开(公告)日：2021-03-02
申请号：US16476207
申请日：2017-12-28
Applicant: DAI NIPPON PRINTING CO., LTD.
Inventor： Yusuke Hashimoto , Atsuhiro Kobayashi , Seiichi Isojima
Abstract: One aspect of the present invention provides a foldable light-transmitting optical film 10 for use in an image display device 50, which includes a resin base material 11, a hard coat layer 12 provided on the first surface 11A of the resin base material 11, and a resin layer 13 having a film thickness of 50 μm or more and 300 μm or less and provided on the second surface 11B of the resin base material 11 that is opposite to the first surface 11A, wherein the shear storage modulus (G′) of the optical film 10 at 25° C. in the frequency range from 500 Hz to 1000 Hz inclusive is more than 200 MPa and 1200 MPa or less, and the shear loss modulus (G″) of the optical film at 25° C. in the frequency range from 500 Hz to 1000 Hz inclusive is 3 MPa or more and 150 MPa or less.
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Patent Agency Ranking
公开(公告)号：US10353246B2
公开(公告)日：2019-07-16
申请号：US14990106
申请日：2016-01-07
Applicant: Dai Nippon Printing Co., Ltd.
Inventor： Takashi Kuroda , Seiichi Isojima , Norinaga Nakamura
IPC: G02F1/13363 , G02F1/1335 , G02B1/10 , G02B5/30
Abstract: The present invention aims to provide a liquid crystal display device highly suppressing occurrence of rainbow interference pattern in displayed images. The present invention is a liquid crystal display device including: a back light source, a liquid crystal cell, a color filter, a polarizer, and a polarizer protective film arranged in the stated order, wherein the polarizer protective film has a retardation of not less than 6000 nm, and a difference (nx−ny) of not less than 0.05 between a refractive index (nx) in a slow axis direction that is a highest refractive index direction and a refractive index (ny) in a fast axis direction that is orthogonal to the slow axis direction, and an absorption axis of the polarizer and the slow axis of the polarizer protective film are arranged to form an angle within a range of 0°±30° or 90°±30°.
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公开(公告)号：US09297933B2
公开(公告)日：2016-03-29
申请号：US13693693
申请日：2012-12-04
Applicant: Dai Nippon Printing Co., Ltd.
Inventor： Takashi Kuroda , Seiichi Isojima , Makoto Honda , Gen Furui , Junya Eguchi , Eiji Ooishi
CPC classification number: G02B1/11 , B32B2457/202 , G02B5/0226 , G02B5/0294 , G02B5/3083 , G09F13/04
Abstract: Provided is an antiglare film having a hard coat property, capable of highly suppressing generation of a rainbow interference pattern and interference fringes in display images, preventing white muddiness and scintillation of a display screen, while giving high contrast in a bright room and a dark room. The antiglare film includes an antiglare layer having an uneven form on its surface and formed on one face of a transparent substrate having an in-plane birefringence and a retardation of 3000 nm or higher. The antiglare layer contains silica fine particles, organic fine particles, and a binder resin. The silica particles include particles forming agglomerates to be contained coarsely and densely in the antiglare layer. The agglomerates are distributed densely around the organic fine particles, and some agglomerates adhere to surfaces of the organic particles and/or some silica particles are impregnated in the inside of the organic particles.
Abstract translation: 提供一种具有硬涂层性能的防眩膜，能够高度抑制彩虹干涉图案的产生和显示图像中的干涉条纹，防止显示屏幕的白色混浊和闪烁，同时在明亮的房间和暗室提供高对比度 。 防眩膜包括在其表面上具有凹凸形状的防眩层，并形成在具有面内双折射和3000nm以上的延迟的透明基板的一个面上。 防眩层含有二氧化硅微粒，有机微粒和粘结剂树脂。 二氧化硅颗粒包括形成聚集体的颗粒，其在防眩层中粗略且密集地包含。 附聚物密集地分布在有机细颗粒周围，并且一些附聚物附着到有机颗粒的表面和/或一些二氧化硅颗粒浸渍在有机颗粒的内部。
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公开(公告)号：US20150004397A1
公开(公告)日：2015-01-01
申请号：US14369514
申请日：2012-12-14
Applicant: DAI NIPPON PRINTING CO., LTD.
Inventor： Tomoyuki Horio , Masayuki Tsunekawa , Seiichi Isojima , Kana Yamamoto
IPC: G02B1/10
CPC classification number: G02B1/10 , G02B1/105 , G02B1/16 , Y10T428/256 , Y10T428/31935
Abstract: Provided is an optical layered body which is extremely high in the stability of the antistatic performance, and has a stable surface resistance even after a durability test. The optical layered body includes an antistatic layer on one face of a light-transmitting substrate, wherein the antistatic layer is formed using a composition for an antistatic layer containing conductive fine particles, a resin component, and a solvent, and the resin component has no reactive functional groups in a molecule, and is soluble in the solvent and compatible with the conductive fine particles.
Abstract translation: 提供一种抗静电性能稳定性极高的光学层叠体，即使在耐久性试验后也具有稳定的表面电阻。 光学层叠体在透光性基板的一个面上具有抗静电层，其中使用包含导电性微粒，树脂成分和溶剂的抗静电层用组合物形成抗静电层，树脂成分为 分子中的反应性官能团，并且可溶于溶剂并与导电细颗粒相容。
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公开(公告)号：US20130279155A1
公开(公告)日：2013-10-24
申请号：US13693693
申请日：2012-12-04
Applicant: DAI NIPPON PRINTING CO., LTD.
Inventor： Takashi Kuroda , Seiichi Isojima , Makoto Honda , Gen Furui , Junya Eguchi , Eiji Ooishi
CPC classification number: G02B1/11 , B32B2457/202 , G02B5/0226 , G02B5/0294 , G02B5/3083 , G09F13/04
Abstract: Provided is an antiglare film having a hard coat property, capable of highly suppressing generation of a rainbow interference pattern and interference fringes in display images, preventing white muddiness and scintillation of a display screen, while giving high contrast in a bright room and a dark room. The antiglare film includes an antiglare layer having an uneven form on its surface and formed on one face of a transparent substrate having an in-plane birefringence and a retardation of 3000 nm or higher. The antiglare layer contains silica fine particles, organic fine particles, and a binder resin. The silica particles include particles forming agglomerates to be contained coarsely and densely in the antiglare layer. The agglomerates are distributed densely around the organic fine particles, and some agglomerates adhere to surfaces of the organic particles and/or some silica particles are impregnated in the inside of the organic particles.
Abstract translation: 提供一种具有硬涂层性能的防眩膜，能够高度抑制彩虹干涉图案的产生和显示图像中的干涉条纹，防止显示屏幕的白色混浊和闪烁，同时在明亮的房间和暗室提供高对比度 。 防眩膜包括在其表面上具有凹凸形状的防眩层，并形成在具有面内双折射和3000nm以上的延迟的透明基板的一个面上。 防眩层含有二氧化硅微粒，有机微粒和粘结剂树脂。 二氧化硅颗粒包括形成聚集体的颗粒，其在防眩层中粗略且密集地包含。 附聚物密集地分布在有机细颗粒周围，并且一些附聚物附着到有机颗粒的表面和/或一些二氧化硅颗粒浸渍在有机颗粒的内部。
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公开(公告)号：US20130093982A1
公开(公告)日：2013-04-18
申请号：US13630511
申请日：2012-09-28
Applicant: DAI NIPPON PRINTING CO., LTD.
Inventor： Takashi Kuroda , Seiichi Isojima , Norinaga Nakamura
IPC: G02F1/1335
CPC classification number: G02F1/133634 , G02B1/10 , G02B5/3083 , G02F1/133528 , G02F2202/40 , G02F2413/12
Abstract: The present invention aims to provide a liquid crystal display device highly suppressing occurrence of rainbow interference pattern in displayed images. The present invention is a liquid crystal display device including: a back light source, a liquid crystal cell, a color filter, a polarizer, and a polarizer protective film arranged in the stated order, wherein the polarizer protective film has a retardation of not less than 6000 nm, and a difference (nx−ny) of not less than 0.05 between a refractive index (nx) in a slow axis direction that is a highest refractive index direction and a refractive index (ny) in a fast axis direction that is orthogonal to the slow axis direction, and an absorption axis of the polarizer and the slow axis of the polarizer protective film are arranged to form an angle within a range of 0°±30° or 90°±30°.
Abstract translation: 本发明旨在提供一种高度抑制显示图像中的彩虹干涉图案的发生的液晶显示装置。 本发明是一种液晶显示装置，其特征在于，具有：按照所述顺序配置的背光源，液晶单元，滤色器，偏振片，偏振片保护膜，其中，所述偏振片保护膜的延迟小于等于 在高折射率方向的慢轴方向的折射率（nx）与快轴方向的折射率（ny）之间的差为（0.05以上）的差（nx-ny）为0.05以上 垂直于慢轴方向，并且偏振器的吸收轴和偏振器保护膜的慢轴被布置成形成在0°±30°或90°±30°的范围内的角度。
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