JP2020023170A5 - Polarizing plate and image display device - Google Patents

Polarizing plate and image display device Download PDF

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JP2020023170A5
JP2020023170A5 JP2019133283A JP2019133283A JP2020023170A5 JP 2020023170 A5 JP2020023170 A5 JP 2020023170A5 JP 2019133283 A JP2019133283 A JP 2019133283A JP 2019133283 A JP2019133283 A JP 2019133283A JP 2020023170 A5 JP2020023170 A5 JP 2020023170A5
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polarizing plate
easy
plate according
adhesion layer
image display
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JP2020023170A (en
JP7014755B2 (en
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本発明は、透明フィルム基材の表面に易接着層を備える易接着フィルムが偏光子の表面に貼り合わせられた偏光板、および当該偏光板を備える画像表示装置に関する。 The present invention is a polarizing plate easy adhesion film comprising an easy-adhesion layer on the surface of the transparent film substrate has joined together Ri adhered to the surface of the polarizer, and an image display device comprising the polarizing plate.

Claims (7)

透明フィルム基材の表面に易接着層を備える易接着フィルムと、第一主面および第二主面を有するポリビニルアルコール系偏光子とを備える偏光板であって、
前記易接着層は、バインダ樹脂、および微粒子を含有し、
前記易接着層のアルカリ成分の含有量が５〜７５ｐｐｍであり、
前記易接着フィルムの易接着層非形成面と前記偏光子の第一主面とが、接着剤層を介して貼り合わせられている、偏光板。 A polarizing plate including an easy-adhesion film having an easy-adhesion layer on the surface of a transparent film base material and a polyvinyl alcohol-based polarizing element having a first main surface and a second main surface .
The easy-adhesion layer contains a binder resin and fine particles, and contains
The content of the alkali component in the adhesive layer is Ri 5~75ppm der,
A polarizing plate in which a non-adhesive layer non-forming surface of the easy-adhesive film and a first main surface of the polarizer are bonded to each other via an adhesive layer . 前記易接着層の厚みが４０〜２８０ｎｍである、請求項１に記載の偏光板。 The polarizing plate according to claim 1, wherein the thickness of the easy-adhesion layer is 40 to 280 nm. 前記易接着層中の前記微粒子の含有量が８〜５０重量％である、請求項１または２に記載の偏光板。 The polarizing plate according to claim 1 or 2, wherein the content of the fine particles in the easy-adhesion layer is 8 to 50% by weight. 前記透明フィルム基材がアクリル系フィルムである、請求項１〜３のいずれか１項に記載の偏光板。 The polarizing plate according to any one of claims 1 to 3, wherein the transparent film base material is an acrylic film. 前記易接着層の前記バインダ樹脂がウレタン系樹脂である、請求項１〜４のいずれか１項に記載の偏光板。 The polarizing plate according to any one of claims 1 to 4, wherein the binder resin of the easy-adhesion layer is a urethane-based resin. 前記透明フィルム基材と前記易接着層との界面において、前記微粒子が前記透明フィルム基材に埋設している領域が存在する、請求項１〜５のいずれか１項に記載の偏光板。 The polarizing plate according to any one of claims 1 to 5, wherein a region in which the fine particles are embedded in the transparent film base material exists at an interface between the transparent film base material and the easy-adhesion layer. 画像表示セルと、請求項１〜６のいずれか１項に記載の偏光板とを有する、画像表示装置。 An image display device having an image display cell and the polarizing plate according to any one of claims 1 to 6.
JP2019133283A 2018-07-25 2019-07-19 Polarizing plate and image display device Active JP7014755B2 (en)

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JP2018139850 2018-07-25
JP2018139850 2018-07-25

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JP2020023170A JP2020023170A (en) 2020-02-13
JP2020023170A5 true JP2020023170A5 (en) 2021-09-09
JP7014755B2 JP7014755B2 (en) 2022-02-01

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022080790A (en) 2020-11-18 2022-05-30 日東電工株式会社 Film manufacturing system and film manufacturing method
JP7097939B2 (en) 2020-11-20 2022-07-08 日東電工株式会社 Film roll manufacturing method
JP7249985B2 (en) 2020-11-20 2023-03-31 日東電工株式会社 Film manufacturing method
JP2022086829A (en) 2020-11-30 2022-06-09 日東電工株式会社 Film manufacturing system
JP7407694B2 (en) 2020-12-16 2024-01-04 日東電工株式会社 Film manufacturing method
CN117042962A (en) * 2021-04-30 2023-11-10 日东电工株式会社 Laminated optical film
CN113487965B (en) * 2021-06-22 2022-12-23 武汉华星光电半导体显示技术有限公司 Support member, manufacturing method thereof and display module

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000044841A1 (en) * 1999-01-27 2000-08-03 Toyo Boseki Kabushiki Kaisha Surface-protective film
JP4204170B2 (en) * 2000-03-28 2009-01-07 富士フイルム株式会社 Antiglare antireflection film, polarizing plate and liquid crystal display device
JP2005315317A (en) * 2004-04-28 2005-11-10 Mitsuboshi Belting Ltd Polyurethane-made belt
TW200712579A (en) * 2005-08-12 2007-04-01 Dainippon Printing Co Ltd Protective film for polarizing plate and polarizing plate
JP4236273B2 (en) * 2006-03-13 2009-03-11 日東電工株式会社 Adhesive optical film and image display device
JP2007268928A (en) * 2006-03-31 2007-10-18 Mitsubishi Paper Mills Ltd Inkjet recording medium
WO2009001629A1 (en) * 2007-06-26 2008-12-31 Konica Minolta Opto, Inc. Clear hard coat film, and antireflection film, polarizing plates and displays, made by using the same
CN103630961A (en) * 2008-01-31 2014-03-12 日东电工株式会社 Polarizer protective film, polarizing plate and image display device
JP5354733B2 (en) * 2008-07-29 2013-11-27 日東電工株式会社 Polarizer protective film and polarizing plate and image display device using polarizer protective film
JP5779863B2 (en) * 2009-11-30 2015-09-16 大日本印刷株式会社 Manufacturing method of optical film, optical film, polarizing plate and display
US10073195B2 (en) * 2010-09-30 2018-09-11 Dai Nippon Printing Co., Ltd. Optical layered body, polarizer and image display device
JP5313297B2 (en) * 2010-12-24 2013-10-09 日東電工株式会社 Active energy ray-curable adhesive composition, polarizing plate, optical film, and image display device
TWI541534B (en) * 2011-10-17 2016-07-11 Dainippon Printing Co Ltd Optical film, polarizing plate and image display device
JP2014048347A (en) * 2012-08-29 2014-03-17 Nippon Shokubai Co Ltd Optical film and use of the same
KR101443845B1 (en) * 2012-09-03 2014-09-23 주식회사 엘지화학 Polarizing plate comprising hard coating film
KR101630528B1 (en) * 2013-09-30 2016-06-14 주식회사 엘지화학 Optical film comprising primer layer comprising polyester-resin and polarizing plate using the same
KR101657356B1 (en) * 2013-09-30 2016-09-19 주식회사 엘지화학 Opticla film including coated functional layer, polarizing plate and image display device comprising the same
KR101854506B1 (en) * 2014-09-22 2018-05-03 주식회사 엘지화학 Optical film having excellent water-resisting qualities and solvent resistance, and polarizing plate comprising the same
JP6424084B2 (en) * 2014-12-17 2018-11-14 株式会社クラレ Film and film manufacturing method
JP6689031B2 (en) * 2015-03-27 2020-04-28 日東電工株式会社 Optical stack
JP6583956B2 (en) * 2015-03-31 2019-10-02 三菱製紙株式会社 Light control sheet
JP2017003906A (en) * 2015-06-15 2017-01-05 日東電工株式会社 Polarization film with adhesive layer on both sides, and image formation apparatus
KR101951864B1 (en) * 2016-03-14 2019-02-25 주식회사 엘지화학 Anti-reflective film and display device
JP6434437B2 (en) * 2016-03-24 2018-12-05 藤森工業株式会社 Release film with excellent releasability
JPWO2017164045A1 (en) * 2016-03-25 2019-01-31 日本ゼオン株式会社 Multilayer film manufacturing method and manufacturing apparatus
KR102381004B1 (en) * 2016-09-23 2022-03-30 니폰 제온 가부시키가이샤 Multilayer films, polarizers and liquid crystal displays
JP6683097B2 (en) * 2016-09-30 2020-04-15 日本ゼオン株式会社 Method for producing multilayer film
JP6674371B2 (en) * 2016-12-14 2020-04-01 株式会社トッパンＴｏｍｏｅｇａｗａオプティカルフィルム Optical laminate, polarizing plate and display device
JP2018109660A (en) * 2016-12-28 2018-07-12 住友化学株式会社 Acrylic resin film and manufacturing method therefor
JP6568666B1 (en) * 2019-02-21 2019-08-28 日東電工株式会社 Easy-adhesive film and method for producing the same, polarizing plate, and image display device

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