JP6708996B2 - 偏光子保護フィルム、偏光板及び液晶表示装置 - Google Patents

偏光子保護フィルム、偏光板及び液晶表示装置 Download PDF

Info

Publication number
JP6708996B2
JP6708996B2 JP2019542260A JP2019542260A JP6708996B2 JP 6708996 B2 JP6708996 B2 JP 6708996B2 JP 2019542260 A JP2019542260 A JP 2019542260A JP 2019542260 A JP2019542260 A JP 2019542260A JP 6708996 B2 JP6708996 B2 JP 6708996B2
Authority
JP
Japan
Prior art keywords
polarizer
polyester film
film
protecting
liquid crystal
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2019542260A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2019054406A1 (ja
Inventor
勝貴 中瀬
勝貴 中瀬
敦史 藤田
敦史 藤田
村田 浩一
浩一 村田
佐々木 靖
靖 佐々木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyobo Co Ltd
Original Assignee
Toyobo Co Ltd
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 Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP2020020389A priority Critical patent/JP7322736B2/ja
Publication of JPWO2019054406A1 publication Critical patent/JPWO2019054406A1/ja
Application granted granted Critical
Publication of JP6708996B2 publication Critical patent/JP6708996B2/ja
Priority to JP2023118266A priority patent/JP7613512B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14Protective coatings, e.g. hard coatings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3025Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033Polarisers, 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Polarising Elements (AREA)
  • Laminated Bodies (AREA)
  • Liquid Crystal (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
JP2019542260A 2017-09-15 2018-09-12 偏光子保護フィルム、偏光板及び液晶表示装置 Active JP6708996B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020020389A JP7322736B2 (ja) 2017-09-15 2020-02-10 偏光子保護フィルム、偏光板及び液晶表示装置
JP2023118266A JP7613512B2 (ja) 2017-09-15 2023-07-20 偏光子保護フィルム、偏光板及び液晶表示装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017177630 2017-09-15
JP2017177630 2017-09-15
PCT/JP2018/033793 WO2019054406A1 (ja) 2017-09-15 2018-09-12 偏光子保護フィルム、偏光板及び液晶表示装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2020020389A Division JP7322736B2 (ja) 2017-09-15 2020-02-10 偏光子保護フィルム、偏光板及び液晶表示装置

Publications (2)

Publication Number Publication Date
JPWO2019054406A1 JPWO2019054406A1 (ja) 2020-04-02
JP6708996B2 true JP6708996B2 (ja) 2020-06-10

Family

ID=65722819

Family Applications (4)

Application Number Title Priority Date Filing Date
JP2019542260A Active JP6708996B2 (ja) 2017-09-15 2018-09-12 偏光子保護フィルム、偏光板及び液晶表示装置
JP2020020389A Active JP7322736B2 (ja) 2017-09-15 2020-02-10 偏光子保護フィルム、偏光板及び液晶表示装置
JP2020071555A Active JP7288878B2 (ja) 2017-09-15 2020-04-13 偏光子保護フィルム、偏光板及び液晶表示装置
JP2023118266A Active JP7613512B2 (ja) 2017-09-15 2023-07-20 偏光子保護フィルム、偏光板及び液晶表示装置

Family Applications After (3)

Application Number Title Priority Date Filing Date
JP2020020389A Active JP7322736B2 (ja) 2017-09-15 2020-02-10 偏光子保護フィルム、偏光板及び液晶表示装置
JP2020071555A Active JP7288878B2 (ja) 2017-09-15 2020-04-13 偏光子保護フィルム、偏光板及び液晶表示装置
JP2023118266A Active JP7613512B2 (ja) 2017-09-15 2023-07-20 偏光子保護フィルム、偏光板及び液晶表示装置

Country Status (5)

Country Link
JP (4) JP6708996B2 (enExample)
KR (2) KR102468284B1 (enExample)
CN (3) CN111051937B (enExample)
TW (2) TWI805917B (enExample)
WO (1) WO2019054406A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102621169B1 (ko) * 2019-01-11 2024-01-05 산진 옵토일렉트로닉스 (난징) 컴퍼니 리미티드 편광판의 제조 방법
KR102864426B1 (ko) 2019-01-11 2025-09-25 산진 옵토일렉트로닉스 (난징) 컴퍼니 리미티드 디스플레이 장치
KR102662107B1 (ko) * 2019-01-11 2024-05-02 산진 옵토일렉트로닉스 (난징) 컴퍼니 리미티드 편광판의 제조 방법
JP7024934B1 (ja) * 2020-03-31 2022-02-24 東洋紡株式会社 偏光子保護用ポリエステルフィルム、偏光板及び液晶表示装置
WO2022009725A1 (ja) 2020-07-07 2022-01-13 東洋紡株式会社 液晶表示装置
CN112164324B (zh) * 2020-09-04 2022-07-15 中国科学技术大学 具有改变出射光偏振状态的有机发光显示装置
KR20230095970A (ko) * 2020-10-23 2023-06-29 도요보 가부시키가이샤 폴리에틸렌 테레프탈레이트계 수지 필름, 이것을 이용한 편광판, 투명 도전성 필름, 터치 패널 및 화상 표시 장치
WO2023248877A1 (ja) * 2022-06-22 2023-12-28 東洋紡株式会社 偏光子保護用ポリエステルフィルム、偏光板及び液晶表示装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3909794B2 (ja) * 1999-09-29 2007-04-25 富士フイルム株式会社 ポリエステルフィルムの製造方法
JP2004099754A (ja) * 2002-09-10 2004-04-02 Teijin Ltd 光学用フィルム
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
WO2006132367A1 (ja) * 2005-06-10 2006-12-14 Fujifilm Corporation セルロースアシレートフィルムおよびその製造方法、偏光板、位相差フィルム、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
JP2008107499A (ja) 2006-10-24 2008-05-08 Fujifilm Corp 偏光板及び液晶表示装置
JP4938632B2 (ja) * 2007-12-07 2012-05-23 日東電工株式会社 液晶パネル及び液晶表示装置
JP2009198666A (ja) 2008-02-20 2009-09-03 Fujifilm Corp 偏光板の製造方法、偏光板およびそれを用いた液晶表示装置
KR101219525B1 (ko) * 2008-05-16 2013-01-11 에스케이씨 주식회사 열수축성 폴리에스테르 필름
US8159635B2 (en) * 2009-06-26 2012-04-17 Fujifilm Corporation Liquid crystal display device
JP2013109116A (ja) * 2011-11-21 2013-06-06 Konica Minolta Advanced Layers Inc 偏光膜保護フィルムの製造方法、偏光膜保護フィルム、偏光板及びそれを用いた液晶表示装置
JP2013181063A (ja) * 2012-02-29 2013-09-12 Nitto Denko Corp 自発巻回性粘着フィルム
JP2013200435A (ja) * 2012-03-26 2013-10-03 Mitsubishi Plastics Inc 偏光板保護用ポリエステルフィルム
US10539717B2 (en) * 2012-12-20 2020-01-21 Samsung Sdi Co., Ltd. Polarizing plates and optical display apparatuses including the polarizing plates
WO2014171386A1 (ja) * 2013-04-19 2014-10-23 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
JP5990128B2 (ja) * 2013-05-01 2016-09-07 富士フイルム株式会社 液晶表示装置
JPWO2015137446A1 (ja) * 2014-03-13 2017-04-06 富士フイルム株式会社 液晶表示装置
JP6378540B2 (ja) * 2014-05-26 2018-08-22 富士フイルム株式会社 ポリエステルフィルム、ポリエステルフィルムの製造方法、偏光板、画像表示装置及び液晶表示装置
WO2015190190A1 (ja) * 2014-06-11 2015-12-17 コニカミノルタ株式会社 液晶表示装置
CN107076908B (zh) * 2014-09-30 2020-09-29 日东电工株式会社 单侧保护偏振膜、带粘合剂层的偏振膜、图像显示装置及其连续制造方法
JP2016141058A (ja) * 2015-02-03 2016-08-08 東レ株式会社 二軸配向ポリエステルフィルムおよびその製造方法
JP6205089B1 (ja) 2016-03-31 2017-09-27 東洋紡株式会社 液晶表示装置

Also Published As

Publication number Publication date
TW202030241A (zh) 2020-08-16
KR102453214B1 (ko) 2022-10-11
JP2020091494A (ja) 2020-06-11
CN111443416A (zh) 2020-07-24
JP2023143934A (ja) 2023-10-06
WO2019054406A1 (ja) 2019-03-21
JP2020144376A (ja) 2020-09-10
KR20200054241A (ko) 2020-05-19
KR20200046111A (ko) 2020-05-06
TWI805917B (zh) 2023-06-21
CN115308821A (zh) 2022-11-08
JP7322736B2 (ja) 2023-08-08
JP7288878B2 (ja) 2023-06-08
TWI744551B (zh) 2021-11-01
CN111443416B (zh) 2022-06-17
JP7613512B2 (ja) 2025-01-15
CN111051937A (zh) 2020-04-21
TW201920394A (zh) 2019-06-01
CN111051937B (zh) 2022-08-26
CN115308821B (zh) 2024-05-24
JPWO2019054406A1 (ja) 2020-04-02
KR102468284B1 (ko) 2022-11-17

Similar Documents

Publication Publication Date Title
JP7238238B2 (ja) 液晶表示装置
JP6708996B2 (ja) 偏光子保護フィルム、偏光板及び液晶表示装置
TWI871456B (zh) 偏光鏡保護用聚酯薄膜、偏光板及液晶顯示裝置
WO2023248877A1 (ja) 偏光子保護用ポリエステルフィルム、偏光板及び液晶表示装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20191220

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20191220

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20191220

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20200120

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200128

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20200210

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20200422

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20200505

R151 Written notification of patent or utility model registration

Ref document number: 6708996

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250