JP7638991B2 - 位相差層付偏光板、および、それを用いた画像表示装置 - Google Patents

位相差層付偏光板、および、それを用いた画像表示装置 Download PDF

Info

Publication number
JP7638991B2
JP7638991B2 JP2022531848A JP2022531848A JP7638991B2 JP 7638991 B2 JP7638991 B2 JP 7638991B2 JP 2022531848 A JP2022531848 A JP 2022531848A JP 2022531848 A JP2022531848 A JP 2022531848A JP 7638991 B2 JP7638991 B2 JP 7638991B2
Authority
JP
Japan
Prior art keywords
layer
polarizer
polarizing plate
retardation
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
JP2022531848A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021261344A1 (https=
Inventor
幸佑 ▲高▼永
卓史 上条
一葵 川緑
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of JPWO2021261344A1 publication Critical patent/JPWO2021261344A1/ja
Application granted granted Critical
Publication of JP7638991B2 publication Critical patent/JP7638991B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • 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
    • 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
    • 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
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/02—Details
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/55—Liquid crystals
    • 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
    • B32B2329/00—Polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals
    • B32B2329/04—Polyvinylalcohol
    • 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
    • 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
    • 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
    • C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • 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
    • H10K59/80—Constructional details
    • H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Polarising Elements (AREA)
JP2022531848A 2020-06-26 2021-06-16 位相差層付偏光板、および、それを用いた画像表示装置 Active JP7638991B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2020110628 2020-06-26
JP2020110628 2020-06-26
JP2020133459 2020-08-06
JP2020133459 2020-08-06
PCT/JP2021/022774 WO2021261344A1 (ja) 2020-06-26 2021-06-16 位相差層付偏光板、および、それを用いた画像表示装置

Publications (2)

Publication Number Publication Date
JPWO2021261344A1 JPWO2021261344A1 (https=) 2021-12-30
JP7638991B2 true JP7638991B2 (ja) 2025-03-04

Family

ID=79281280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022531848A Active JP7638991B2 (ja) 2020-06-26 2021-06-16 位相差層付偏光板、および、それを用いた画像表示装置

Country Status (5)

Country Link
JP (1) JP7638991B2 (https=)
KR (1) KR20230028728A (https=)
CN (1) CN115804264A (https=)
TW (1) TWI891822B (https=)
WO (1) WO2021261344A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI798019B (zh) * 2022-03-09 2023-04-01 友達光電股份有限公司 顯示裝置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017010218A1 (ja) 2015-07-16 2017-01-19 東海精密工業株式会社 偏光性成形体
JP2017187731A (ja) 2016-03-30 2017-10-12 住友化学株式会社 延伸フィルムの製造方法及び偏光フィルムの製造方法
JP2018116543A (ja) 2017-01-19 2018-07-26 日東電工株式会社 タッチパネル用フィルム積層体
WO2018180649A1 (ja) 2017-03-28 2018-10-04 日本ゼオン株式会社 位相差板、複層位相差板、偏光板、画像表示装置及び重合性化合物
WO2018235630A1 (ja) 2017-06-22 2018-12-27 日東電工株式会社 積層体および積層体の製造方法
WO2019160003A1 (ja) 2018-02-16 2019-08-22 日本電信電話株式会社 モデル学習装置、モデル学習方法、プログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001343521A (ja) 2000-05-31 2001-12-14 Sumitomo Chem Co Ltd 偏光板及びその製造方法
JP5036191B2 (ja) * 2005-03-16 2012-09-26 日本合成化学工業株式会社 ポリビニルアルコール系フィルムおよびその製造方法
JP5811296B1 (ja) * 2014-08-01 2015-11-11 三菱化学株式会社 偏光素子の製造方法、その方法を用いて得られる偏光素子及びその偏光素子を備えた表示装置
JP6202062B2 (ja) * 2014-09-30 2017-09-27 住友化学株式会社 偏光フィルムの強度測定方法及び偏光板
WO2016093277A1 (ja) * 2014-12-12 2016-06-16 住友化学株式会社 偏光フィルムの製造方法及び偏光フィルム
JP2017003954A (ja) * 2015-06-12 2017-01-05 住友化学株式会社 偏光フィルム及びそれを含む偏光板
JP6684630B2 (ja) * 2016-03-31 2020-04-22 住友化学株式会社 偏光板、偏光板の製造方法
JP2017062517A (ja) * 2017-01-12 2017-03-30 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
WO2019160033A1 (ja) * 2018-02-14 2019-08-22 富士フイルム株式会社 画像表示装置および感光性接着剤付き円偏光板
JP6683882B1 (ja) * 2019-12-25 2020-04-22 住友化学株式会社 光学積層体、フレキシブル表示装置及び光学積層体の製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017010218A1 (ja) 2015-07-16 2017-01-19 東海精密工業株式会社 偏光性成形体
JP2017187731A (ja) 2016-03-30 2017-10-12 住友化学株式会社 延伸フィルムの製造方法及び偏光フィルムの製造方法
JP2018116543A (ja) 2017-01-19 2018-07-26 日東電工株式会社 タッチパネル用フィルム積層体
WO2018180649A1 (ja) 2017-03-28 2018-10-04 日本ゼオン株式会社 位相差板、複層位相差板、偏光板、画像表示装置及び重合性化合物
WO2018235630A1 (ja) 2017-06-22 2018-12-27 日東電工株式会社 積層体および積層体の製造方法
WO2019160003A1 (ja) 2018-02-16 2019-08-22 日本電信電話株式会社 モデル学習装置、モデル学習方法、プログラム

Also Published As

Publication number Publication date
JPWO2021261344A1 (https=) 2021-12-30
KR20230028728A (ko) 2023-03-02
WO2021261344A1 (ja) 2021-12-30
CN115804264A (zh) 2023-03-14
TWI891822B (zh) 2025-08-01
TW202204945A (zh) 2022-02-01

Similar Documents

Publication Publication Date Title
KR20210127928A (ko) 편광판 및 그의 제조 방법과 해당 편광판을 이용한 화상 표시 장치
JP7527972B2 (ja) 位相差層付偏光板
JP2019066882A (ja) 光学補償層付偏光板およびそれを用いた有機ｅｌパネル
JP7596079B2 (ja) 偏光板および光学機能層付偏光板
JP6797499B2 (ja) 位相差層付偏光板およびそれを用いた画像表示装置
JP7638991B2 (ja) 位相差層付偏光板、および、それを用いた画像表示装置
JP2025038087A (ja) 偏光板、位相差層付偏光板および画像表示装置
KR20230145479A (ko) 위상차층 부착 편광판 및 그의 제조 방법, 및 해당 위상차층 부착 편광판을 이용한 화상 표시 장치
JP7242884B2 (ja) 位相差層付偏光板、および、それを用いた画像表示装置
JP6804168B2 (ja) 位相差層付偏光板およびそれを用いた画像表示装置
KR20200042397A (ko) 위상차층 부착 편광판 및 이를 이용한 화상 표시 장치
KR20200042396A (ko) 위상차층 부착 편광판 및 이를 이용한 화상 표시 장치
JP7786871B2 (ja) 偏光板および位相差層付偏光板
KR20220103935A (ko) 편광판, 위상차층 부착 편광판, 및 해당 편광판 또는 해당 위상차층 부착 편광판을 이용한 화상 표시 장치
JP7654670B2 (ja) 偏光板、位相差層付偏光板、ならびに、該偏光板または該位相差層付偏光板を含む画像表示装置
JP2026031552A (ja) 偏光板および位相差層付偏光板
JP2024101531A (ja) 光学積層体および該光学積層体を用いた画像表示装置
WO2021261277A1 (ja) 位相差層付偏光板、および、それを用いた画像表示装置
KR20200042395A (ko) 위상차층 부착 편광판 및 이를 이용한 화상 표시 장치
JP2022106205A (ja) 積層体および位相差層付偏光板の製造方法
JP2020115225A (ja) 位相差層付偏光板およびそれを用いた画像表示装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220818

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20231003

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231201

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20240227

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240524

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20240531

A912 Re-examination (zenchi) completed and case transferred to appeal board

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20240712

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20250219

R150 Certificate of patent or registration of utility model

Ref document number: 7638991

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150