WO2017199632A1 - 偏光板 - Google Patents

偏光板 Download PDF

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Publication number
WO2017199632A1
WO2017199632A1 PCT/JP2017/014503 JP2017014503W WO2017199632A1 WO 2017199632 A1 WO2017199632 A1 WO 2017199632A1 JP 2017014503 W JP2017014503 W JP 2017014503W WO 2017199632 A1 WO2017199632 A1 WO 2017199632A1
Authority
WO
WIPO (PCT)
Prior art keywords
protective film
polarizer
polarizing plate
film
layer
Prior art date
Application number
PCT/JP2017/014503
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
白石　貴志
Original Assignee
住友化学株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 住友化学株式会社 filed Critical 住友化学株式会社
Priority to KR1020187034556A priority Critical patent/KR102418731B1/ko
Priority to CN201780029708.1A priority patent/CN109154688B/zh
Publication of WO2017199632A1 publication Critical patent/WO2017199632A1/ja

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements

Definitions

  • the present invention relates to a polarizing plate that can be used for various optical applications.
  • the polarizing plate of the present invention is a thin polarizing plate with excellent strength and durability.
  • the dimension of the scratch according to the present invention is a value obtained by measuring the maximum value of each side in the largest scratch existing in the first protective film. For example, in the present invention, it is assumed that the scratch having the maximum total length, width, and thickness of the scratch is the largest scratch.
  • the scratch exists on the surface of the first protective film opposite to the polarizer.
  • the scratch has, for example, dimensions of 0.001 to 500 ⁇ m in length, 0.001 to 500 ⁇ m in width, and 0.001 to 10 ⁇ m in depth.
  • the boric acid treatment is performed, for example, by immersing a dyed polyvinyl alcohol resin film in an aqueous boric acid solution.
  • the boric acid content in the boric acid aqueous solution is usually about 2 to 15 parts by mass, for example, 5 to 12 parts by mass, per 100 parts by mass of water.
  • the boric acid aqueous solution may contain potassium iodide.
  • the content of potassium iodide in the boric acid aqueous solution is usually about 2 to 20 parts by mass, for example 5 to 15 parts by mass, per 100 parts by mass of water.
  • the polyvinyl alcohol resin film after the boric acid treatment is usually subjected to a water washing treatment.
  • the water washing treatment is performed, for example, by immersing a boric acid-treated polyvinyl alcohol resin film in water. After washing with water, drying is performed to obtain a polarizer.
  • the temperature of water in the water washing treatment is usually about 5 to 40 ° C., and the immersion time is usually about 2 to 120 seconds.
  • the drying performed thereafter is usually performed using a hot air dryer or a far infrared heater.
  • the drying temperature is usually 40 to 100 ° C., and the drying time is usually about 120 to 600 seconds.
  • Cyclic polyolefin resin is a general term for resins that are polymerized using cyclic olefin as a polymerization unit, and is described in, for example, JP-A Nos. 1-240517, 3-14882, 3-122137, etc. The resin currently used is mentioned.
  • the preferred monomer composition of the (meth) acrylic resin is 50 to 100% by mass of methacrylic acid alkyl ester, 0 to 50% by mass of acrylic acid alkyl ester based on the total monomer amount, and 0 to 50% of other polymerizable monomers. In another embodiment, 50 to 99.9% by weight of methacrylic acid alkyl ester, 0.1 to 50% by weight of acrylic acid alkyl ester, and 0 to 49.9% by weight of other polymerizable monomers. It is.
  • the acrylic elastic polymer may be a polymer mainly composed of alkyl acrylate, that is, a polymer containing 50 mass% or more of a structural unit derived from alkyl acrylate based on the total amount of monomers.
  • the acrylic elastic polymer may be a homopolymer of alkyl acrylate, and contains 50 mass% or more of structural units derived from alkyl acrylate and 50 mass% or less of structural units derived from other polymerizable monomers.
  • a copolymer may also be used.
  • the average particle diameter of the rubber particles up to the rubber elastic layer is measured as follows. That is, when such rubber particles are mixed with a (meth) acrylic resin to form a film and the cross section thereof is dyed with an aqueous solution of ruthenium oxide, only the rubber elastic body layer is colored and observed in a substantially circular shape. This (meth) acrylic resin is not dyed. Therefore, from the cross section of the film dyed in this way, a thin piece is prepared using a microtome or the like, and this is observed with an electron microscope. And after extracting 100 dye

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
PCT/JP2017/014503 2016-05-16 2017-04-07 偏光板 WO2017199632A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020187034556A KR102418731B1 (ko) 2016-05-16 2017-04-07 편광판
CN201780029708.1A CN109154688B (zh) 2016-05-16 2017-04-07 偏振板

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-098193 2016-05-16
JP2016098193A JP6700964B2 (ja) 2016-05-16 2016-05-16 偏光板

Publications (1)

Publication Number Publication Date
WO2017199632A1 true WO2017199632A1 (ja) 2017-11-23

Family

ID=60325126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/014503 WO2017199632A1 (ja) 2016-05-16 2017-04-07 偏光板

Country Status (5)

Country Link
JP (1) JP6700964B2 (ko)
KR (1) KR102418731B1 (ko)
CN (1) CN109154688B (ko)
TW (1) TWI722177B (ko)
WO (1) WO2017199632A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7411520B2 (ja) * 2020-09-02 2024-01-11 日東電工株式会社 偏光板、位相差層付偏光板および有機エレクトロルミネセンス表示装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006021459A (ja) * 2004-07-09 2006-01-26 Konica Minolta Opto Inc 光学フィルムの製造方法
JP2007045071A (ja) * 2005-08-11 2007-02-22 Konica Minolta Opto Inc 光学フィルムの製造方法、光学フィルム、及びそれを用いた偏光板
JP2008069240A (ja) * 2006-09-13 2008-03-27 Fujifilm Corp 光学フィルムおよびその製造方法、偏光板、光学補償フィルム、反射防止フィルム、並びに液晶表示装置
WO2016006384A1 (ja) * 2014-07-10 2016-01-14 住友化学株式会社 偏光板

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998005984A1 (fr) * 1996-08-05 1998-02-12 Teijin Limited Film oriente avec pores
JP2005350492A (ja) * 2004-06-08 2005-12-22 Konica Minolta Opto Inc セルロースエステルフィルムを支持体にして塗設層を有する塗工フィルム、偏光板用保護フィルム、偏光板用保護フィルムの組合わせ、及び偏光板
JP2007052333A (ja) * 2005-08-19 2007-03-01 Konica Minolta Opto Inc 表面凹凸形状光学フィルム、その製造方法及び偏光板、画像表示装置
JP2008260919A (ja) * 2007-03-16 2008-10-30 Fujifilm Corp セルロースアセテートプロピオネートフィルム、セルロースアセテートプロピオネートフィルムの製造方法、光学補償シート、偏光板および液晶表示装置
JP4777391B2 (ja) * 2008-06-17 2011-09-21 富士フイルム株式会社 光学用フィルム
JP5332599B2 (ja) * 2008-07-11 2013-11-06 住友化学株式会社 偏光板、その製造方法及びそれを用いた複合偏光板
JP5167039B2 (ja) * 2008-09-10 2013-03-21 富士フイルム株式会社 フィルム、フィルムの製造方法、偏光板および液晶表示装置
JP5487623B2 (ja) * 2009-01-15 2014-05-07 大日本印刷株式会社 偏光子保護用光学フィルムの製造方法、偏光板、並びに表示装置
JP5747464B2 (ja) * 2010-08-30 2015-07-15 コニカミノルタ株式会社 セルロースアシレート積層フィルム、偏光板、及び液晶表示装置
JP6423574B2 (ja) * 2012-08-31 2018-11-14 日東電工株式会社 粘着剤層付偏光フィルムおよび画像表示装置
TW201908770A (zh) * 2014-07-29 2019-03-01 日商住友化學股份有限公司 偏光板、附有黏著劑之偏光板及液晶顯示裝置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006021459A (ja) * 2004-07-09 2006-01-26 Konica Minolta Opto Inc 光学フィルムの製造方法
JP2007045071A (ja) * 2005-08-11 2007-02-22 Konica Minolta Opto Inc 光学フィルムの製造方法、光学フィルム、及びそれを用いた偏光板
JP2008069240A (ja) * 2006-09-13 2008-03-27 Fujifilm Corp 光学フィルムおよびその製造方法、偏光板、光学補償フィルム、反射防止フィルム、並びに液晶表示装置
WO2016006384A1 (ja) * 2014-07-10 2016-01-14 住友化学株式会社 偏光板

Also Published As

Publication number Publication date
JP2017207557A (ja) 2017-11-24
TW201741701A (zh) 2017-12-01
JP6700964B2 (ja) 2020-05-27
KR102418731B1 (ko) 2022-07-11
KR20190007435A (ko) 2019-01-22
CN109154688B (zh) 2021-03-23
TWI722177B (zh) 2021-03-21
CN109154688A (zh) 2019-01-04

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