JP7462597B2 - 円偏光板、光学積層体及び画像表示装置 - Google Patents

円偏光板、光学積層体及び画像表示装置 Download PDF

Info

Publication number
JP7462597B2
JP7462597B2 JP2021140573A JP2021140573A JP7462597B2 JP 7462597 B2 JP7462597 B2 JP 7462597B2 JP 2021140573 A JP2021140573 A JP 2021140573A JP 2021140573 A JP2021140573 A JP 2021140573A JP 7462597 B2 JP7462597 B2 JP 7462597B2
Authority
JP
Japan
Prior art keywords
layer
polarizer
polarizing plate
liquid crystal
protective film
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
JP2021140573A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022101448A (ja
Inventor
亨 神野
貴志 白石
健次 松野
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 JP2021140573A priority Critical patent/JP7462597B2/ja
Priority to TW110146735A priority patent/TWI899395B/zh
Priority to KR1020210182824A priority patent/KR20220092395A/ko
Priority to CN202111583748.5A priority patent/CN114675365A/zh
Publication of JP2022101448A publication Critical patent/JP2022101448A/ja
Priority to JP2022176191A priority patent/JP7691966B2/ja
Application granted granted Critical
Publication of JP7462597B2 publication Critical patent/JP7462597B2/ja
Priority to JP2025090703A priority patent/JP2025126179A/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3016Polarising elements involving passive liquid crystal elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • 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
    • B32B7/00Layered 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
    • B32B7/02Physical, chemical or physicochemical properties
    • B32B7/023Optical properties
    • 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
    • B32B7/00Layered 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
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • G02B5/3041Polarisers, 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
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Electroluminescent Light Sources (AREA)
  • Laminated Bodies (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Optical Filters (AREA)
JP2021140573A 2020-12-24 2021-08-31 円偏光板、光学積層体及び画像表示装置 Active JP7462597B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2021140573A JP7462597B2 (ja) 2020-12-24 2021-08-31 円偏光板、光学積層体及び画像表示装置
TW110146735A TWI899395B (zh) 2020-12-24 2021-12-14 圓偏光板、光學積層體及圖像顯示裝置
KR1020210182824A KR20220092395A (ko) 2020-12-24 2021-12-20 원편광판, 광학 적층체 및 화상 표시 장치
CN202111583748.5A CN114675365A (zh) 2020-12-24 2021-12-22 圆偏振板、光学层叠体及图像显示装置
JP2022176191A JP7691966B2 (ja) 2020-12-24 2022-11-02 円偏光板、光学積層体及び画像表示装置
JP2025090703A JP2025126179A (ja) 2020-12-24 2025-05-30 円偏光板、光学積層体及び画像表示装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020214736 2020-12-24
JP2020214736 2020-12-24
JP2021140573A JP7462597B2 (ja) 2020-12-24 2021-08-31 円偏光板、光学積層体及び画像表示装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2022176191A Division JP7691966B2 (ja) 2020-12-24 2022-11-02 円偏光板、光学積層体及び画像表示装置

Publications (2)

Publication Number Publication Date
JP2022101448A JP2022101448A (ja) 2022-07-06
JP7462597B2 true JP7462597B2 (ja) 2024-04-05

Family

ID=82070063

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2021140573A Active JP7462597B2 (ja) 2020-12-24 2021-08-31 円偏光板、光学積層体及び画像表示装置
JP2022176191A Active JP7691966B2 (ja) 2020-12-24 2022-11-02 円偏光板、光学積層体及び画像表示装置
JP2025090703A Pending JP2025126179A (ja) 2020-12-24 2025-05-30 円偏光板、光学積層体及び画像表示装置

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2022176191A Active JP7691966B2 (ja) 2020-12-24 2022-11-02 円偏光板、光学積層体及び画像表示装置
JP2025090703A Pending JP2025126179A (ja) 2020-12-24 2025-05-30 円偏光板、光学積層体及び画像表示装置

Country Status (4)

Country Link
JP (3) JP7462597B2 (https=)
KR (1) KR20220092395A (https=)
CN (1) CN114675365A (https=)
TW (1) TWI899395B (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW202434921A (zh) 2022-12-27 2024-09-01 日商住友化學股份有限公司 光學積層體及圖像顯示裝置
CN116841074A (zh) * 2023-06-15 2023-10-03 成都瑞波科材料科技有限公司 曲面液晶光学膜、光学膜制备方法以及液晶显示装置
KR20260042357A (ko) * 2023-08-01 2026-03-31 수미토모 케미칼 컴퍼니 리미티드 광학 적층체
WO2025028263A1 (ja) * 2023-08-01 2025-02-06 住友化学株式会社 光学積層体

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006251780A (ja) 2005-02-08 2006-09-21 Dainippon Printing Co Ltd 光学素子およびこの光学素子からなる位相差板、光学積層体ならびに表示装置
JP2008233768A (ja) 2007-03-23 2008-10-02 Nitto Denko Corp 偏光板の製造方法、偏光板、および画像表示装置
JP2013148806A (ja) 2012-01-23 2013-08-01 Sumitomo Chemical Co Ltd 偏光フィルムとその製造方法及び偏光板
WO2013191010A1 (ja) 2012-06-21 2013-12-27 コニカミノルタ株式会社 偏光板、偏光板の製造方法及び画像表示装置
US20150092264A1 (en) 2013-05-30 2015-04-02 Lg Chem, Ltd. Optical film exhibiting excellent blocking properties for ultraviolet light and polarizing plate including the same
JP2016224307A (ja) 2015-06-01 2016-12-28 日東電工株式会社 両面粘着剤層付偏光フィルムおよび画像表示装置
JP2019203949A (ja) 2018-05-22 2019-11-28 住友化学株式会社 屈曲可能な光学積層体及びその製造方法
JP2020106781A (ja) 2018-02-09 2020-07-09 住友化学株式会社 円偏光板および光学表示デバイス
JP2020126226A (ja) 2019-02-04 2020-08-20 住友化学株式会社 偏光板および表示装置
JP2020525837A (ja) 2017-07-10 2020-08-27 エルジー・ケム・リミテッド 円偏光板
JP2020170152A (ja) 2019-04-02 2020-10-15 住友化学株式会社 光学積層体

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002022950A (ja) * 2000-07-10 2002-01-23 Nitto Denko Corp 偏光フィルムと偏光板及び液晶表示装置
JP5402419B2 (ja) * 2009-09-04 2014-01-29 東洋インキScホールディングス株式会社 紫外線硬化性組成物、それを用いた偏光板及びその製造方法
JP5722255B2 (ja) 2012-02-28 2015-05-20 住友化学株式会社 偏光板の製造方法
KR101436441B1 (ko) * 2013-07-23 2014-09-02 동우 화인켐 주식회사 반사 방지용 편광판 및 이를 포함하는 화상표시장치
KR102436821B1 (ko) * 2016-11-30 2022-08-26 니폰 제온 가부시키가이샤 광학 적층체, 원 편광판, 터치 패널 및 화상 표시 장치
CN121703976A (zh) 2018-03-28 2026-03-20 日东电工株式会社 偏光薄膜、层叠偏光薄膜、图像显示面板及图像显示装置
JP7184549B2 (ja) * 2018-06-28 2022-12-06 日東電工株式会社 光学積層体および有機el表示装置
KR102437157B1 (ko) * 2018-11-06 2022-08-26 주식회사 엘지화학 편광판
JP7549452B2 (ja) 2019-02-12 2024-09-11 住友化学株式会社 円偏光板およびそれを用いる有機el表示装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006251780A (ja) 2005-02-08 2006-09-21 Dainippon Printing Co Ltd 光学素子およびこの光学素子からなる位相差板、光学積層体ならびに表示装置
JP2008233768A (ja) 2007-03-23 2008-10-02 Nitto Denko Corp 偏光板の製造方法、偏光板、および画像表示装置
JP2013148806A (ja) 2012-01-23 2013-08-01 Sumitomo Chemical Co Ltd 偏光フィルムとその製造方法及び偏光板
WO2013191010A1 (ja) 2012-06-21 2013-12-27 コニカミノルタ株式会社 偏光板、偏光板の製造方法及び画像表示装置
US20150092264A1 (en) 2013-05-30 2015-04-02 Lg Chem, Ltd. Optical film exhibiting excellent blocking properties for ultraviolet light and polarizing plate including the same
JP2016224307A (ja) 2015-06-01 2016-12-28 日東電工株式会社 両面粘着剤層付偏光フィルムおよび画像表示装置
JP2020525837A (ja) 2017-07-10 2020-08-27 エルジー・ケム・リミテッド 円偏光板
JP2020106781A (ja) 2018-02-09 2020-07-09 住友化学株式会社 円偏光板および光学表示デバイス
JP2019203949A (ja) 2018-05-22 2019-11-28 住友化学株式会社 屈曲可能な光学積層体及びその製造方法
JP2020126226A (ja) 2019-02-04 2020-08-20 住友化学株式会社 偏光板および表示装置
JP2020170152A (ja) 2019-04-02 2020-10-15 住友化学株式会社 光学積層体

Also Published As

Publication number Publication date
JP2023022022A (ja) 2023-02-14
JP2025126179A (ja) 2025-08-28
TWI899395B (zh) 2025-10-01
KR20220092395A (ko) 2022-07-01
JP2022101448A (ja) 2022-07-06
CN114675365A (zh) 2022-06-28
TW202234099A (zh) 2022-09-01
JP7691966B2 (ja) 2025-06-12

Similar Documents

Publication Publication Date Title
JP7691966B2 (ja) 円偏光板、光学積層体及び画像表示装置
CN100356208C (zh) 带粘合型光学补偿层的偏振片以及图像显示装置
CN108602311B (zh) 光学层叠体及其制造方法、前面板、以及图像显示装置
CN113015928B (zh) 光学层叠体和具备该光学层叠体的图像显示装置
KR102657288B1 (ko) 적층 필름의 절단 방법 및 제조 방법
JP6995426B2 (ja) 多層液晶フィルム、偏光板および偏光板の製造方法
JP2010204502A (ja) 積層光学フィルム、液晶パネル、および液晶表示装置
JP6638239B2 (ja) 光学積層体及び液晶表示装置
JP2016186558A (ja) 光学積層体
WO2022270402A1 (ja) 表示装置
WO2020100468A1 (ja) 光学積層体及びそれを備えた画像表示装置
WO2023054595A1 (ja) 光学積層体及び画像表示装置
KR20230031358A (ko) 점착제층 구비 편광판
JP2023122144A (ja) 円偏光板及び画像表示装置
KR102886885B1 (ko) 광학 필름, 이를 포함하는 편광판 및 이를 포함하는 광학표시장치
TW202330250A (zh) 積層膜、光學積層體及圖像顯示裝置
JP2023003395A (ja) 表示装置
JP2023053913A (ja) 光学積層体及び画像表示装置
JP7106638B2 (ja) 多層液晶フィルム、偏光板および偏光板の製造方法
JP2023090645A (ja) 積層体
JP2023090644A (ja) 積層体
JP2022148467A (ja) 光学積層体
WO2023127471A1 (ja) 円偏光板及び有機el表示装置
KR20230092796A (ko) 적층체
CN117957469A (zh) 光学层叠体和图像显示装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210921

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20210921

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20220119

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220201

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220324

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220510

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220614

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20220802

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221102

C60 Trial request (containing other claim documents, opposition documents)

Free format text: JAPANESE INTERMEDIATE CODE: C60

Effective date: 20221102

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

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20221111

C21 Notice of transfer of a case for reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C21

Effective date: 20221115

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

Free format text: JAPANESE INTERMEDIATE CODE: A912

Effective date: 20230113

C211 Notice of termination of reconsideration by examiners before appeal proceedings

Free format text: JAPANESE INTERMEDIATE CODE: C211

Effective date: 20230117

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20231213

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240326

R150 Certificate of patent or registration of utility model

Ref document number: 7462597

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150