JP2018205770A5 - - Google Patents

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Publication number
JP2018205770A5
JP2018205770A5 JP2018165933A JP2018165933A JP2018205770A5 JP 2018205770 A5 JP2018205770 A5 JP 2018205770A5 JP 2018165933 A JP2018165933 A JP 2018165933A JP 2018165933 A JP2018165933 A JP 2018165933A JP 2018205770 A5 JP2018205770 A5 JP 2018205770A5
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Japan
Prior art keywords
adhesive layer
pressure
sensitive adhesive
optical laminate
thickness
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Pending
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JP2018165933A
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Japanese (ja)
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JP2018205770A (en
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Publication of JP2018205770A publication Critical patent/JP2018205770A/en
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Claims (6)

第一粘着剤層、偏光板、および第二粘着剤層をこの順に備える光学積層体であって、
前記偏光板は、偏光子、および前記偏光子の少なくとも一方の面に活性エネルギー線硬化型接着剤層を介して積層された保護フィルムを含んでなり、前記偏光子は二色性色素を含有するポリビニルアルコール系樹脂フィルムであり、
前記光学積層体中に含まれる全ての粘着剤層の総厚みをＴ１とし、前記偏光子の厚みをＴ２としたとき、Ｔ２／Ｔ１が０．６以下であり、
前記第１粘着剤層の厚みは１０μｍ以上であり、前記第２粘着剤層の厚みは２０μｍ以上であり、
前記第一粘着剤層を介して画像表示セルに貼合され、前記第に粘着剤層を介して透明板に貼合されて用いられる、光学積層体。 An optical laminate having a first pressure-sensitive adhesive layer, a polarizing plate, and a second pressure-sensitive adhesive layer in this order.
The polarizing plate comprises a polarizing element and a protective film laminated on at least one surface of the polarizing element via an active energy ray-curable adhesive layer, and the polarizing element contains a dichroic dye. It is a polyvinyl alcohol-based resin film.
Wherein the total thickness of all of the pressure-sensitive adhesive layer included in the optical stack in the T1, when the thickness of the polarizer was T2, Ri der T2 / T1 is 0.6 or less,
The thickness of the first pressure-sensitive adhesive layer is 10 μm or more, and the thickness of the second pressure-sensitive adhesive layer is 20 μm or more.
Wherein said through an adhesive layer stuck to the image display cell, Ru is used stuck to the transparent plate through the second pressure-sensitive adhesive layer, the optical stack. 前記偏光子は、波長７００ｎｍにおける吸光度Ａ７００が５．５以下である、請求項１に記載の光学積層体。 The optical laminate according to claim 1, wherein the polarizer has an absorbance A 700 at a wavelength of 700 nm of 5.5 or less. 前記偏光子の厚みは３０μｍ以下である、請求項１または２に記載の光学積層体。 The optical laminate according to claim 1 or 2 , wherein the thickness of the polarizer is 30 μm or less. 前記偏光板は、前記偏光子の両面に活性エネルギー線硬化型接着剤層を介して積層された保護フィルムを含んでなり、前記保護フィルムの一方がセルロース系ポリマーからなる、請求項１〜３のいずれかに記載の光学積層体。 The polarizing plate includes a protective film laminated on both sides of the polarizing element via an active energy ray-curable adhesive layer, and one of the protective films is made of a cellulosic polymer, according to claims 1 to 3 . The optical laminate according to any one. 偏光子に積層される少なくとも一方の保護フィルムは２００ｇ／ｍ２・２４時間以上の透湿度を有する、請求項１〜４のいずれかに記載の光学積層体。 At least one of the protective film is laminated to the polarizer has a 200g / m 2 · 24 hours or more of moisture permeability, optical laminate according to any one of claims 1-4. 請求項１〜５のいずれかに記載の光学積層体を含む画像表示装置。 An image display device including the optical laminate according to any one of claims 1 to 5 .
JP2018165933A 2016-07-29 2018-09-05 Optical laminate Pending JP2018205770A (en)

Applications Claiming Priority (2)

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JP2016149837 2016-07-29
JP2016149837 2016-07-29

Related Parent Applications (1)

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JP2017135358A Division JP2018025765A (en) 2016-07-29 2017-07-11 Optical laminate

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JP2018205770A JP2018205770A (en) 2018-12-27
JP2018205770A5 true JP2018205770A5 (en) 2020-10-08

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JP2017135358A Pending JP2018025765A (en) 2016-07-29 2017-07-11 Optical laminate
JP2018165933A Pending JP2018205770A (en) 2016-07-29 2018-09-05 Optical laminate

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JP (2) JP2018025765A (en)
KR (1) KR20180013769A (en)
CN (1) CN107664787A (en)
TW (1) TWI805553B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020098317A (en) * 2018-03-12 2020-06-25 住友化学株式会社 Circular polarizing plate and image display device using the same
GB2574793B (en) * 2018-05-01 2022-09-28 Flexenable Ltd Organic liquid crystal display device with one or more oxygen permeable films
CN108776361A (en) * 2018-05-02 2018-11-09 江苏帝摩斯光电科技有限公司 A kind of integrated diffusion barrier of LCD backlight module
CN110531456B (en) * 2018-05-25 2023-08-15 住友化学株式会社 Method for producing optical laminate
JP2020046649A (en) * 2018-09-12 2020-03-26 住友化学株式会社 Polarizing plate with front plate
JP2020064271A (en) * 2018-10-16 2020-04-23 住友化学株式会社 Optical laminate and display device
JP7039508B2 (en) * 2019-02-27 2022-03-22 住友化学株式会社 Flexible laminate
JP7039509B2 (en) * 2019-02-27 2022-03-22 住友化学株式会社 Laminate
JP2020138377A (en) * 2019-02-27 2020-09-03 住友化学株式会社 Flexible laminate
JP2020140010A (en) * 2019-02-27 2020-09-03 住友化学株式会社 Laminate and display device
CN113474700B (en) * 2019-02-27 2023-06-20 住友化学株式会社 Laminate body
KR20210141518A (en) * 2019-03-18 2021-11-23 수미토모 케미칼 컴퍼니 리미티드 A laminate and a display device including the same
JP2021039274A (en) * 2019-09-04 2021-03-11 日東電工株式会社 Laminated optical film and image display device
JP7181260B2 (en) * 2019-09-17 2022-11-30 住友化学株式会社 circular polarizer
JP2021157101A (en) * 2020-03-27 2021-10-07 日東電工株式会社 Optical film having double-sided adhesive and image display device
JP7234309B2 (en) * 2021-07-29 2023-03-07 日東電工株式会社 optical laminate

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10111411A (en) * 1996-10-04 1998-04-28 Nippon Synthetic Chem Ind Co Ltd:The Polarizing plate
JP2010262155A (en) * 2009-05-08 2010-11-18 Sumitomo Chemical Co Ltd Composite polarizing plate
JP5707365B2 (en) * 2012-06-08 2015-04-30 日東電工株式会社 Method for producing optical film with adhesive layer
JP6071459B2 (en) * 2012-11-19 2017-02-01 日東電工株式会社 Polarizing plate, image display device, and manufacturing method thereof
JP6275945B2 (en) * 2012-12-10 2018-02-07 日東電工株式会社 Optical film with double-sided pressure-sensitive adhesive, and method for manufacturing an image display device using the same
KR101955991B1 (en) * 2012-12-26 2019-06-24 엘지디스플레이 주식회사 Liquid crystal display device
KR101584442B1 (en) * 2013-06-12 2016-01-22 주식회사 엘지화학 Method for polarizer comprising a step for adjusting color of polarizing element by uv irradiation
TWI692518B (en) * 2013-08-30 2020-05-01 日東電工股份有限公司 Hardened adhesive for polarizing film, polarizing film, optical film and image display device
JP5932749B2 (en) * 2013-10-03 2016-06-08 住友化学株式会社 Polarizer set and front panel integrated liquid crystal display panel
KR101400132B1 (en) * 2013-10-07 2014-05-30 동우 화인켐 주식회사 Preparing method for polarizer
JP2015200698A (en) * 2014-04-04 2015-11-12 日東電工株式会社 Transparent resin layer, polarizing film with adhesive layer, and image display device
KR20160023429A (en) * 2014-08-22 2016-03-03 스미또모 가가꾸 가부시키가이샤 Preparing method for polarizer
KR20160035516A (en) * 2014-09-23 2016-03-31 스미또모 가가꾸 가부시키가이샤 Preparing method for polarizer
JP5945037B2 (en) * 2014-09-29 2016-07-05 住友化学株式会社 Polarizer
JP2016071349A (en) * 2014-09-30 2016-05-09 住友化学株式会社 Production method of polarizing laminate film and polarizing plate
JP6077619B2 (en) * 2014-09-30 2017-02-08 日東電工株式会社 Single protective polarizing film, polarizing film with pressure-sensitive adhesive layer, image display device, and continuous production method thereof
JP2016085444A (en) * 2014-10-27 2016-05-19 住友化学株式会社 Polarizing plate and liquid crystal display device
CN105717569A (en) * 2014-12-18 2016-06-29 住友化学株式会社 Polarizing plate with protection film and laminated body comprising same
JP6782071B2 (en) * 2015-01-20 2020-11-11 日東電工株式会社 Polarizing film with double-sided adhesive layer, its manufacturing method and image display device
KR20160091014A (en) * 2015-01-23 2016-08-02 스미또모 가가꾸 가부시키가이샤 Polarizer and preparing method for the same
JP6180451B2 (en) * 2015-02-06 2017-08-16 日東電工株式会社 Polarizing plate, method for producing the polarizing plate, optical film, and image display device

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