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公开(公告)号：US09719770B2
公开(公告)日：2017-08-01
申请号：US14508366
申请日：2014-10-07
Applicant: NITTO DENKO CORPORATION
Inventor： Hiroyuki Takao , Toru Umemoto
CPC classification number: G01B7/14 , G01B2210/58 , G01R27/2605 , G06F3/041 , G06F3/044
Abstract: A touchscreen sensor includes a transparent base material, a first transparent electrode pattern, a first index-matching layer and a first adhesive layer disposed in this order at one side of the transparent base material, and a second transparent electrode pattern, a second index-matching layer and a second adhesive layer disposed in this order at another side of the transparent base material. The first index-matching layer has a refractive index greater than a refractive index of the first adhesive layer. The second index-matching layer has a refractive index greater than a refractive index of the second adhesive layer. Each of the first index-matching layer and the second index-matching layer has a thickness of 85 nm to 120 nm.
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公开(公告)号：US10598829B2
公开(公告)日：2020-03-24
申请号：US14400633
申请日：2013-06-10
Applicant: NITTO DENKO CORPORATION
Inventor： Hiroshi Tomohisa , Toru Umemoto , Shoichi Matsuda , Tadayuki Kameyama
IPC: G02B1/18 , G02B5/30 , C09D5/00 , C09B29/01 , C09B29/095 , C09B31/047 , C08J7/06 , C09B31/02
Abstract: The present invention relates to a water-resistant organic thin film obtained by crosslinking, with organic nitrogen compounds, an organic thin film comprising an organic dye having an anionic group, wherein the organic nitrogen compounds are first, second, and third acyclic organic nitrogen compounds each having two or more nitrogen atoms per molecule, wherein the nitrogen atoms of each of the first, second, and third organic nitrogen compounds are each in a cationic group, and the relation A≤0.4 nm
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公开(公告)号：US10259193B2
公开(公告)日：2019-04-16
申请号：US15545069
申请日：2016-07-11
Applicant: NITTO DENKO CORPORATION
Inventor： Hirofumi Katami , Toru Umemoto , Hiroyuki Takao , Atsushi Yasui
Abstract: In the case where a pressure-sensitive adhesive sheet comprising a pressure-sensitive adhesive layer having a refractive index adjustment zone is provided in such a manner that two PET separators are laminated to opposite surfaces of the pressure-sensitive adhesive layer, it is difficult to distinguish between obverse and reverse sides of the pressure-sensitive adhesive sheet itself. The present invention is directed to solving the above problems and, specifically, to offering a pressure-sensitive adhesive sheet having a refractive index adjustment zone capable of being easily produced at low cost, in a state in which it is preliminarily laminated with a substrate provided with an electroconductive layer, thereby making it possible to resolve complexity in handling (to easily distinguish between one surface defined by the refractive index adjustment zone and the other surface defined by the remaining zone).
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公开(公告)号：US20140065304A1
公开(公告)日：2014-03-06
申请号：US14113164
申请日：2012-12-05
Applicant: Nitto Denko Corporation
Inventor： Shoichi Matsuda , Yoshiaki Asanoi , Toru Umemoto , Tadayuki Kameyama
IPC: G02B5/30
CPC classification number: G02B5/305 , B29D11/00788 , B29D11/00865 , G02B5/3016
Abstract: Provided is a method for manufacturing a long laminate film having a uniform coating layer while suppressing wrinkling of the coating receiving surface of a long film used as a base film,the method including supporting the long film with first and second guide rolls while feeding the long film, nipping transverse both ends of the long film with a pair of nip rolls and the guide roll while feeding the long film, and applying a coating material to the long film to form a coating layer, wherein the guide roll has both end parts, which are arranged opposite to the pair of nip rolls, and a middle part other than both end parts, and both end parts have an outer diameter larger than that of the middle part.
Abstract translation: 提供一种制造具有均匀涂层的长层压膜的方法，同时抑制用作基膜的长膜的涂层接收表面的起皱，该方法包括在输送长条件的同时将第一和第二引导辊支撑在长膜上 薄膜，在输送长薄膜的同时，用一对压辊和引导辊将长薄膜的横向两端夹入，并且向长薄膜施加涂料以形成涂层，其中导辊具有两个端部， 它们与所述一对夹辊相对地布置，以及除了两个端部之外的中间部分，并且两个端部部分的外径大于中间部分的外径。
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公开(公告)号：US20130209691A1
公开(公告)日：2013-08-15
申请号：US13763038
申请日：2013-02-08
Applicant: NITTO DENKO CORPORATION
Inventor： Hiroshi Tomohisa , Toru Umemoto , Shoichi Matsuda , Tadayuki Kameyama
IPC: B05D5/00
Abstract: The present invention provides a method for producing a waterproof organic thin film being capable of restraining the generation of defects such as a crack. The method for producing a waterproof organic thin film includes a waterproofing step of preparing a long laminate having an organic thin film and bringing at least the organic thin film into contact with a waterproofing-treatment liquid, a washing step of washing at least the organic thin film surface of the long laminate, and a conveying step to be performed between the waterproofing step and the washing step, the conveying step being a step of conveying the long laminate from the waterproofing step to the washing step, wherein in the conveying step, the long laminate is conveyed while the waterproofing-treatment liquid remaining on the organic thin film surface is caused to flow relatively to the organic thin film surface.
Abstract translation: 本发明提供一种能够抑制裂纹等缺陷的产生的防水有机薄膜的制造方法。 制造防水有机薄膜的方法包括：制备具有有机薄膜并使至少有机薄膜与防水处理液接触的长层压体的防水步骤，至少洗涤有机薄膜的洗涤步骤 所述长层压体的薄膜表面和在所述防水步骤和所述洗涤步骤之间进行的输送步骤，所述输送步骤是将所述长层压体从所述防水步骤输送到所述洗涤步骤的步骤，其中在所述输送步骤中， 当保持在有机薄膜表面上的防水处理液相对于有机薄膜表面流动时，输送长层压体。
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Patent Agency Ranking
公开(公告)号：US10852455B2
公开(公告)日：2020-12-01
申请号：US14891492
申请日：2015-01-16
Applicant: NITTO DENKO CORPORATION
Inventor： Toru Umemoto , Hirofumi Katami , Hiroyuki Takao , Takahiro Nonaka , Atsushi Yasui , Takami Hikita
IPC: G02B1/111 , B32B7/12 , B32B27/08 , B32B27/36 , B32B27/06 , B32B7/02 , B32B37/12 , C09J7/38 , C09J11/02 , C09J11/04 , C09J5/02 , B29D11/00
Abstract: A laminate of optical elements comprises a transparent first optical element, a second optical element, and a transparent pressure-sensitive adhesive layer for bonding the first optical element to the second optical element. The pressure-sensitive adhesive layer comprises a base adhesive zone, a transparent refractive index-adjusting zone. The base adhesive zone is made essentially of a transparent base pressure-sensitive adhesive material and formed over a given range from a first principal surface of the pressure-sensitive adhesive layer facing the first optical element, in a thickness direction of the pressure-sensitive adhesive layer. The a transparent, adherent, refractive index-adjusting zone is formed over a given range from a second principal surface of the pressure-sensitive adhesive layer facing the second optical element.
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公开(公告)号：US10023766B2
公开(公告)日：2018-07-17
申请号：US15545124
申请日：2016-07-11
Applicant: NITTO DENKO CORPORATION
Inventor： Hirofumi Katami , Toru Umemoto , Hiroyuki Takao , Atsushi Yasui
IPC: B32B7/12 , C09J7/02 , B05D1/28 , C09J201/00 , C23C14/08
Abstract: As one sensor layer structure for a capacitive touch panel, a layer structure in which a transparent electroconductive layer is formed on each of opposite surfaces of a single film substrate, so-called GFD structure, is used. In the structure, for sufficiently suppressing internal reflection from the transparent electroconductive layer, it is necessary to employ a technique of forming one or more refractive index adjustment (IM) layers on each of the opposite surfaces of the single film substrate. This causes a problem that production yield is likely to deteriorate, and a production cost is increased. The present invention is directed to solving such a problem and, specifically, to laminating a refractive index adjustment zone-formed pressure-sensitive adhesive layer capable of being produced easily and at low cost, to each transparent electroconductive layer of a double-sided transparent electroconductive film, so as to effectively suppress internal reflection in the resulting laminate.
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公开(公告)号：US09454249B2
公开(公告)日：2016-09-27
申请号：US14508334
申请日：2014-10-07
Applicant: NITTO DENKO CORPORATION
Inventor： Hiroyuki Takao , Toru Umemoto
CPC classification number: G06F3/041 , G02B1/11 , G06F3/044 , G06F2203/04103
Abstract: A touchscreen sensor includes a transparent base material, a first index-matching layer, a first transparent electrode pattern, a second index-matching layer and a first adhesive layer disposed in this order at one side of the transparent base material, and a third index-matching layer, a second transparent electrode pattern, a fourth index-matching layer and a second adhesive layer disposed in this order at another side of the transparent base material. Each of the first, second, third and fourth index-matching layers has a refractive index of 1.6 to 1.8 and a thickness of 50 nm to 150 nm.
Abstract translation: 触摸屏传感器包括透明基材，第一折射率匹配层，第一透明电极图案，第二折射率匹配层和在透明基材的一侧上依次设置的第一粘合剂层，第三指数 匹配层，第二透明电极图案，第四折射率匹配层和第二粘合层，以此顺序设置在透明基材的另一侧。 第一，第二，第三和第四折射率匹配层中的每一个具有1.6至1.8的折射率和50nm至150nm的厚度。
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9.发明授权公开(公告)号：US09387507B2
公开(公告)日：2016-07-12
申请号：US13706724
申请日：2012-12-06
Applicant: NITTO DENKO CORPORATION
Inventor： Toru Umemoto , Satoshi Hirata , Sadahiro Nakanishi , Shoichi Matsuda , Tadayuki Kameyama
CPC classification number: B05D1/18 , G02B5/3083
Abstract: A method for manufacturing a water resistant optically anisotropic film capable of suppressing the generation of a defect such as a crack or separation is provided. The method for manufacturing the water resistant optically anisotropic of the present invention includes a water resistant treatment step of bringing an optically anisotropic film containing an organic dye having an anionic group into contact with a water resistant treatment liquid containing a multivalent cationic compound and a monovalent cationic compound, and the mass ratio of the multivalent cationic compound and the monovalent cationic compound contained in the water resistant treatment liquid, monovalent cationic compound/multivalent cationic compound, is 0.01 to 2.
Abstract translation: 提供了一种能够抑制裂纹或分离等缺陷的产生的防水光学各向异性膜的制造方法。 本发明的耐水性光学各向异性的制造方法包括：将含有具有阴离子性基团的有机染料的光学各向异性膜与含有多价阳离子化合物和一价阳离子性化合物的防水处理液接触的防水处理步骤 化合物，耐水处理液，一价阳离子化合物/多价阳离子化合物中所含的多价阳离子化合物和一价阳离子化合物的质量比为0.01〜2。
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公开(公告)号：US09156060B2
公开(公告)日：2015-10-13
申请号：US13763038
申请日：2013-02-08
Applicant: NITTO DENKO CORPORATION
Inventor： Hiroshi Tomohisa , Toru Umemoto , Shoichi Matsuda , Tadayuki Kameyama
Abstract: The present invention provides a method for producing a waterproof organic thin film being capable of restraining the generation of defects such as a crack. The method for producing a waterproof organic thin film includes a waterproofing step of preparing a long laminate having an organic thin film and bringing at least the organic thin film into contact with a waterproofing-treatment liquid, a washing step of washing at least the organic thin film surface of the long laminate, and a conveying step to be performed between the waterproofing step and the washing step, the conveying step being a step of conveying the long laminate from the waterproofing step to the washing step, wherein in the conveying step, the long laminate is conveyed while the waterproofing-treatment liquid remaining on the organic thin film surface is caused to flow relatively to the organic thin film surface.
Abstract translation: 本发明提供一种能够抑制裂纹等缺陷的产生的防水有机薄膜的制造方法。 制造防水有机薄膜的方法包括：制备具有有机薄膜并使至少有机薄膜与防水处理液接触的长层压体的防水步骤，至少洗涤有机薄膜的洗涤步骤 所述长层压体的薄膜表面和在所述防水步骤和所述洗涤步骤之间进行的输送步骤，所述输送步骤是将所述长层压体从所述防水步骤输送到所述洗涤步骤的步骤，其中在所述输送步骤中， 当保持在有机薄膜表面上的防水处理液相对于有机薄膜表面流动时，输送长层压体。
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