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公开(公告)号：US10754072B2
公开(公告)日：2020-08-25
申请号：US15322310
申请日：2015-06-26
Applicant: NITTO DENKO CORPORATION
Inventor： Masahiro Yaegashi , Daisuke Ogomi , Yuki Nakano , Yuji Saiki , Kota Nakai
IPC: G02B5/30 , B32B7/02 , B32B27/16 , B32B23/20 , B32B27/34 , B29D11/00 , B32B27/32 , B32B3/30 , B32B27/30 , B32B27/20 , B32B27/36 , B32B7/06 , B32B27/08 , B32B23/08 , B32B3/26 , G02B1/14 , B32B7/12 , H01L51/52 , G02F1/1335 , G02F1/13363
Abstract: A long polarizer that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, that shows no variation in quality when provided as a final product, and that is excellent in yield in its production. A polarizer including a long resin film containing a dichromatic substance, the polarizer having non-polarization portions arranged in a lengthwise direction and/or a widthwise direction at predetermined intervals, the non-polarization portions including decolored portions formed through partial decoloring.
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Patent Agency Ranking
公开(公告)号：US20200225395A1
公开(公告)日：2020-07-16
申请号：US16801670
申请日：2020-02-26
Applicant: NITTO DENKO CORPORATION
Inventor： Daisuke Ogomi , Yuji Saiki , Masahiro Yaegashi , Kota Nakai , Yuki Nakano
IPC: G02B5/30
Abstract: A polarizer that can realize the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer including a resin film containing a dichroic substance, wherein the polarizer has a low dichroic substance concentration portion whose content of the dichroic substance is relatively low in the resin film. In the polarizer, the low dichroic substance concentration portion has a content of an alkali metal and/or an alkaline earth metal of 3.6 wt % or less.
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公开(公告)号：US20180120489A1
公开(公告)日：2018-05-03
申请号：US15572252
申请日：2016-05-12
Applicant: NITTO DENKO CORPORATION
Inventor： Masahiro Yaegashi , Yuki Nakano , Makiko Shinchi
CPC classification number: G02B5/3025 , B05D1/18 , B32B37/203 , B32B38/0008 , B32B2309/105 , B32B2551/00 , C08J7/02 , C08J7/12 , G02B1/08 , G02B5/3033
Abstract: A method is provided to produce a polarizer having non-polarization portion that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, the method enabling high-precision and easy production of a desired non-polarization portion shape. The method of producing a polarizer of the present invention includes bringing, under a state in which a resin film containing a dichromatic substance is covered with a surface protective film so that at least part thereof is exposed, a basic solution into contact with the exposed portion. In one embodiment, the exposed portion is subjected to a surface modification treatment at a time of the contact. In one embodiment, a contact angle between the exposed portion and the basic solution is 50° or less.
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公开(公告)号：US20170131449A1
公开(公告)日：2017-05-11
申请号：US15321875
申请日：2015-06-26
Applicant: NITTO DENKO CORPORATION
Inventor： Masahiro Yaegashi , Daisuke Ogomi , Yuki Nakano , Yuji Saiki , Kota Nakai
CPC classification number: G02B5/3033 , B29D11/00644 , B29D11/0073 , B29D11/00865 , B32B3/266 , B32B3/30 , B32B7/02 , B32B7/06 , B32B7/12 , B32B27/08 , B32B27/20 , B32B27/306 , B32B27/32 , B32B27/325 , B32B27/34 , B32B27/36 , B32B27/365 , B32B2250/04 , B32B2255/10 , B32B2255/26 , B32B2307/42 , B32B2307/536 , B32B2307/732 , B32B2307/748 , B32B2457/202 , B32B2457/206 , G02B1/14 , G02B5/30 , G02F1/133528 , G02F2201/50 , G09F9/00 , H01L51/5281
Abstract: A long polarizing film laminate capable of producing a polarizer that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, that shows no variation in quality when provided as a final product, and that is excellent in yield in its production. A polarizing film laminate according to an embodiment of the present invention includes: a long polarizer; and a surface protective film arranged on one surface side of the polarizer. The polarizing film laminate has, on the one surface side, exposed portions where the polarizer is exposed. The exposed portions are arranged in a lengthwise direction and/or a widthwise direction of the polarizer at predetermined intervals.
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公开(公告)号：US20170131451A1
公开(公告)日：2017-05-11
申请号：US15322310
申请日：2015-06-26
Applicant: NITTO DENKO CORPORATION
Inventor： Masahiro Yaegashi , Daisuke Ogomi , Yuki Nakano , Yuji Saiki , Kota Nakai
Abstract: A long polarizer that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, that shows no variation in quality when provided as a final product, and that is excellent in yield in its production. A polarizer including a long resin film containing a dichromatic substance, the polarizer having non-polarization portions arranged in a lengthwise direction and/or a widthwise direction at predetermined intervals, the non-polarization portions including decolored portions formed through partial decoloring.
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公开(公告)号：US20150219797A1
公开(公告)日：2015-08-06
申请号：US14425760
申请日：2013-10-11
Applicant: NITTO DENKO CORPORATION
Inventor： Shusaku Goto , Daisuke Ogomi , Yuki Nakano , Muniridin Yasen , Osamu Kaneko
IPC: G02B1/08 , G02B5/30 , G02F1/1335
CPC classification number: G02B1/08 , G02B1/111 , G02B5/3033 , G02F1/133528
Abstract: Provided is a polarizing film that is excellent in external appearance and can contribute to improving the display characteristics of an image display apparatus. A polarizing film of the present invention includes a polyvinyl alcohol-based resin film containing iodine. At least one surface side of the polyvinyl alcohol-based resin film includes a low-iodine layer.
Abstract translation: 本发明提供一种外观优异且有助于提高图像显示装置的显示特性的偏振片。 本发明的偏振膜包括含有碘的聚乙烯醇系树脂膜。 聚乙烯醇类树脂膜的至少一个表面侧包含低碘层。
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