JP7539842B2 - ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板 - Google Patents

ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板 Download PDF

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Publication number
JP7539842B2
JP7539842B2 JP2020569394A JP2020569394A JP7539842B2 JP 7539842 B2 JP7539842 B2 JP 7539842B2 JP 2020569394 A JP2020569394 A JP 2020569394A JP 2020569394 A JP2020569394 A JP 2020569394A JP 7539842 B2 JP7539842 B2 JP 7539842B2
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Japan
Prior art keywords
polyester film
polarizer
polarizing plate
film
stretching
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JP2020569394A
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English (en)
Japanese (ja)
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JPWO2020158114A1 (ja
Inventor
慎太郎 東
享 清水
貴博 吉川
一志 北岸
哲朗 池田
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Nitto Denko Corp
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Nitto Denko Corp
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Publication of JPWO2020158114A1 publication Critical patent/JPWO2020158114A1/ja
Priority to JP2023129046A priority Critical patent/JP2023159195A/ja
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14—Protective coatings, e.g. hard coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/023—Optical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/025—Electric or magnetic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/123—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/127—Acids containing aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/183—Terephthalic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/42—Polarizing, birefringent, filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/514—Oriented
    • B32B2307/518—Oriented bi-axially
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Polarising Elements (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Liquid Crystal (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP2020569394A 2019-01-31 2019-11-14 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板 Active JP7539842B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023129046A JP2023159195A (ja) 2019-01-31 2023-08-08 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019016236 2019-01-31
JP2019016236 2019-01-31
PCT/JP2019/044778 WO2020158114A1 (ja) 2019-01-31 2019-11-14 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板

Related Child Applications (1)

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JP2023129046A Division JP2023159195A (ja) 2019-01-31 2023-08-08 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板

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JPWO2020158114A1 JPWO2020158114A1 (ja) 2021-10-21
JP7539842B2 true JP7539842B2 (ja) 2024-08-26

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JP2020569393A Active JP7586712B2 (ja) 2019-01-31 2019-11-14 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板
JP2020569394A Active JP7539842B2 (ja) 2019-01-31 2019-11-14 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板
JP2020569392A Active JP7539841B2 (ja) 2019-01-31 2019-11-14 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板
JP2023129043A Pending JP2023159193A (ja) 2019-01-31 2023-08-08 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板
JP2023129046A Pending JP2023159195A (ja) 2019-01-31 2023-08-08 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板
JP2023129044A Withdrawn JP2023159194A (ja) 2019-01-31 2023-08-08 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板

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JP2020569393A Active JP7586712B2 (ja) 2019-01-31 2019-11-14 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板

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JP2020569392A Active JP7539841B2 (ja) 2019-01-31 2019-11-14 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板
JP2023129043A Pending JP2023159193A (ja) 2019-01-31 2023-08-08 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板
JP2023129046A Pending JP2023159195A (ja) 2019-01-31 2023-08-08 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板
JP2023129044A Withdrawn JP2023159194A (ja) 2019-01-31 2023-08-08 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板

Country Status (5)

Country Link
JP (6) JP7586712B2 (enExample)
KR (6) KR20210121034A (enExample)
CN (8) CN119001931A (enExample)
TW (3) TWI828805B (enExample)
WO (3) WO2020158112A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7573979B2 (ja) * 2020-03-27 2024-10-28 日東電工株式会社 ポリエステルフィルム、および該ポリエステルフィルムを含む偏光板
JPWO2022210249A1 (enExample) 2021-03-31 2022-10-06

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012145645A (ja) 2011-01-07 2012-08-02 Nitto Denko Corp 偏光板
WO2018181653A1 (ja) 2017-03-31 2018-10-04 東洋紡株式会社 偏光子保護フィルム、偏光板及び画像表示装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08271733A (ja) 1995-04-03 1996-10-18 Fujimori Kogyo Kk 前面側偏光板の前面側保護シート、その製造法、および該前面側保護シートの偏光素膜側への貼着方法
JP2004226799A (ja) * 2003-01-24 2004-08-12 Konica Minolta Holdings Inc 偏光板保護フィルム、偏光板及び画像表示用材料
JP2008107501A (ja) * 2006-10-24 2008-05-08 Fujifilm Corp 偏光板、及び液晶表示装置
JP5590997B2 (ja) * 2010-07-08 2014-09-17 株式会社日本触媒 光学フィルム、偏光板および画像表示装置
JP2012247574A (ja) * 2011-05-26 2012-12-13 Nitto Denko Corp 粘着型偏光板および画像表示装置
JP6111551B2 (ja) * 2012-08-02 2017-04-12 東洋紡株式会社 液晶表示装置、偏光板及び偏光子保護フィルム
WO2014115770A1 (ja) * 2013-01-24 2014-07-31 住友金属鉱山株式会社 透明導電性基材ならびにその製造方法
JP5990128B2 (ja) * 2013-05-01 2016-09-07 富士フイルム株式会社 液晶表示装置
KR20160058806A (ko) * 2013-09-26 2016-05-25 후지필름 가부시키가이샤 폴리에스터 필름 및 폴리에스터 필름의 제조 방법, 편광판 및 화상 표시 장치
JP6272048B2 (ja) * 2014-01-24 2018-01-31 帝人フィルムソリューション株式会社 ポリエステルフィルム
JP2016001305A (ja) * 2014-05-23 2016-01-07 東レ株式会社 光学用ポリエステルフィルム及びそれを用いた偏光板、透明導電性フィルム
WO2017110342A1 (ja) * 2015-12-24 2017-06-29 コニカミノルタ株式会社 偏光板保護フィルム、その製造方法及び偏光板
JP6741477B2 (ja) * 2016-05-23 2020-08-19 日東電工株式会社 偏光フィルム、粘着剤層付き偏光フィルム、及び画像表示装置
JP6882857B2 (ja) * 2016-06-27 2021-06-02 日東電工株式会社 粘着剤層付偏光フィルム、および液晶表示装置
JP2018059078A (ja) * 2016-09-30 2018-04-12 東レ株式会社 ポリエステルフィルムおよびそれを用いた表示装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012145645A (ja) 2011-01-07 2012-08-02 Nitto Denko Corp 偏光板
WO2018181653A1 (ja) 2017-03-31 2018-10-04 東洋紡株式会社 偏光子保護フィルム、偏光板及び画像表示装置

Also Published As

Publication number Publication date
JPWO2020158114A1 (ja) 2021-10-21
TWI846761B (zh) 2024-07-01
JPWO2020158112A1 (ja) 2021-10-21
CN118962870A (zh) 2024-11-15
WO2020158114A1 (ja) 2020-08-06
CN119001931A (zh) 2024-11-22
JP2023159194A (ja) 2023-10-31
CN113474689A (zh) 2021-10-01
KR20210121033A (ko) 2021-10-07
JP7586712B2 (ja) 2024-11-19
KR20240158372A (ko) 2024-11-04
KR20240157780A (ko) 2024-11-01
KR20210119986A (ko) 2021-10-06
TW202030240A (zh) 2020-08-16
KR20250026400A (ko) 2025-02-25
KR102899534B1 (ko) 2025-12-12
CN113366353A (zh) 2021-09-07
KR20210121034A (ko) 2021-10-07
JPWO2020158113A1 (ja) 2021-10-21
TWI828805B (zh) 2024-01-11
WO2020158112A1 (ja) 2020-08-06
JP7539841B2 (ja) 2024-08-26
JP2023159195A (ja) 2023-10-31
CN118962869A (zh) 2024-11-15
JP2023159193A (ja) 2023-10-31
KR102896472B1 (ko) 2025-12-05
CN119758505A (zh) 2025-04-04
TW202030239A (zh) 2020-08-16
CN113366354A (zh) 2021-09-07
CN118981064A (zh) 2024-11-19
TW202039652A (zh) 2020-11-01
WO2020158113A1 (ja) 2020-08-06
TWI822910B (zh) 2023-11-21

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