JP7181260B2 - 円偏光板 - Google Patents

円偏光板 Download PDF

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Publication number
JP7181260B2
JP7181260B2 JP2020128433A JP2020128433A JP7181260B2 JP 7181260 B2 JP7181260 B2 JP 7181260B2 JP 2020128433 A JP2020128433 A JP 2020128433A JP 2020128433 A JP2020128433 A JP 2020128433A JP 7181260 B2 JP7181260 B2 JP 7181260B2
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JP
Japan
Prior art keywords
layer
liquid crystal
polarizing plate
polarizer
retardation layer
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
JP2020128433A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021051287A (ja
Inventor
直子 小林
為偉 肖
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to TW109130429A priority Critical patent/TW202117368A/zh
Priority to KR1020200117897A priority patent/KR20210032911A/ko
Priority to CN202010967870.1A priority patent/CN112596142A/zh
Publication of JP2021051287A publication Critical patent/JP2021051287A/ja
Priority to JP2022147292A priority patent/JP2022173305A/ja
Application granted granted Critical
Publication of JP7181260B2 publication Critical patent/JP7181260B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G02B5/3016—Polarising elements involving passive liquid crystal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • 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
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • 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
    • G02B5/3041—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 comprising multiple thin layers, e.g. multilayer stacks
    • G02B5/305—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 comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 
    • G02F1/13—Devices 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
    • 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
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Polarising Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
JP2020128433A 2019-09-17 2020-07-29 円偏光板 Active JP7181260B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TW109130429A TW202117368A (zh) 2019-09-17 2020-09-04 圓偏光板
KR1020200117897A KR20210032911A (ko) 2019-09-17 2020-09-14 원편광판
CN202010967870.1A CN112596142A (zh) 2019-09-17 2020-09-15 圆偏振板
JP2022147292A JP2022173305A (ja) 2019-09-17 2022-09-15 円偏光板

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019168175 2019-09-17
JP2019168175 2019-09-17

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022147292A Division JP2022173305A (ja) 2019-09-17 2022-09-15 円偏光板

Publications (2)

Publication Number Publication Date
JP2021051287A JP2021051287A (ja) 2021-04-01
JP7181260B2 true JP7181260B2 (ja) 2022-11-30

Family

ID=75157837

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2020128433A Active JP7181260B2 (ja) 2019-09-17 2020-07-29 円偏光板
JP2022147292A Pending JP2022173305A (ja) 2019-09-17 2022-09-15 円偏光板

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2022147292A Pending JP2022173305A (ja) 2019-09-17 2022-09-15 円偏光板

Country Status (4)

Country Link
JP (2) JP7181260B2 (zh)
KR (1) KR20210032911A (zh)
CN (1) CN112596142A (zh)
TW (1) TW202117368A (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023181099A (ja) * 2022-06-09 2023-12-21 住友化学株式会社 複合偏光板の製造方法及び複合偏光板
WO2024106316A1 (ja) * 2022-11-18 2024-05-23 日東電工株式会社 光学積層体、画像表示装置、及び光学積層体の製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019120950A (ja) 2017-12-28 2019-07-22 住友化学株式会社 偏光板

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009069375A (ja) * 2007-09-12 2009-04-02 Sumitomo Chemical Co Ltd 偏光板の製造方法
JP5382843B2 (ja) * 2007-10-31 2014-01-08 住友化学株式会社 偏光板の製造方法
JP4575978B2 (ja) * 2008-10-31 2010-11-04 日東電工株式会社 液晶表示装置
JP2014032270A (ja) * 2012-08-02 2014-02-20 Sumitomo Chemical Co Ltd 位相差フィルム及びそれを用いた複合偏光板
JP5837470B2 (ja) * 2012-09-28 2015-12-24 富士フイルム株式会社 セルロースアシレートフィルム、偏光板および液晶表示装置
TWI657922B (zh) * 2014-04-03 2019-05-01 南韓商東友精細化工有限公司 偏光板及液晶面板
JP2016018183A (ja) * 2014-07-11 2016-02-01 住友化学株式会社 偏光板及び液晶表示装置
CN107076904B (zh) * 2014-09-17 2019-11-12 日本瑞翁株式会社 圆偏振片、宽频带λ/4波片、以及有机电致发光显示装置
JP6075424B2 (ja) * 2014-09-30 2017-02-08 住友化学株式会社 偏光板、液晶表示装置及び有機エレクトロルミネッセンス表示装置
JP6360821B2 (ja) * 2015-07-22 2018-07-18 日東電工株式会社 位相差層付偏光板および画像表示装置
US10302828B2 (en) * 2015-07-27 2019-05-28 Samsung Electronics Co., Ltd. Optical film and display device
TWI763577B (zh) * 2015-11-13 2022-05-01 日商住友化學股份有限公司 偏光板、液晶顯示裝置及有機電激發光顯示裝置
JP2017102443A (ja) * 2015-11-20 2017-06-08 日東電工株式会社 光学積層体および該光学積層体を用いた有機エレクトロルミネセンス表示装置
JP6108577B1 (ja) * 2016-03-22 2017-04-05 住友化学株式会社 積層フィルムの製造方法
JP6904666B2 (ja) * 2016-05-17 2021-07-21 日東電工株式会社 光学積層体
JP2018025765A (ja) * 2016-07-29 2018-02-15 住友化学株式会社 光学積層体
JP6857477B2 (ja) * 2016-09-30 2021-04-14 日東電工株式会社 有機ｅｌ表示装置
JP7040462B2 (ja) * 2016-11-30 2022-03-23 日本ゼオン株式会社 偏光板、及び、偏光板の製造方法
JP6871049B2 (ja) * 2017-04-12 2021-05-12 住友化学株式会社 光学積層体及び液晶表示装置
CN110832048A (zh) 2017-06-27 2020-02-21 住友化学株式会社 粘合剂组合物及带有粘合剂层的膜
JP6390764B2 (ja) * 2017-07-04 2018-09-19 住友化学株式会社 偏光板及び液晶表示装置
JP6642553B2 (ja) * 2017-11-10 2020-02-05 東洋紡株式会社 偏光板及びこれを用いた液晶表示装置
JP6605682B2 (ja) * 2017-11-10 2019-11-13 住友化学株式会社 円偏光板
WO2019131625A1 (ja) * 2017-12-28 2019-07-04 住友化学株式会社 偏光板
JP2019148734A (ja) * 2018-02-28 2019-09-05 住友化学株式会社 円偏光板

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019120950A (ja) 2017-12-28 2019-07-22 住友化学株式会社 偏光板

Also Published As

Publication number Publication date
TW202117368A (zh) 2021-05-01
JP2022173305A (ja) 2022-11-18
CN112596142A (zh) 2021-04-02
KR20210032911A (ko) 2021-03-25
JP2021051287A (ja) 2021-04-01

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