JP2020024352A - 円偏光板および表示装置 - Google Patents

円偏光板および表示装置 Download PDF

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Publication number
JP2020024352A
JP2020024352A JP2018215316A JP2018215316A JP2020024352A JP 2020024352 A JP2020024352 A JP 2020024352A JP 2018215316 A JP2018215316 A JP 2018215316A JP 2018215316 A JP2018215316 A JP 2018215316A JP 2020024352 A JP2020024352 A JP 2020024352A
Authority
JP
Japan
Prior art keywords
polarizing plate
film
circularly polarizing
polarizer
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.)
Pending
Application number
JP2018215316A
Other languages
English (en)
Japanese (ja)
Inventor
光明 小川
Mitsuaki Ogawa
光明 小川
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 TW108125834A priority Critical patent/TW202012978A/zh
Priority to CN201910688163.6A priority patent/CN110780372A/zh
Priority to KR1020190091811A priority patent/KR102891809B1/ko
Publication of JP2020024352A publication Critical patent/JP2020024352A/ja
Pending legal-status Critical Current

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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
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • 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
    • 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
    • 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
    • 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
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B32B2457/208—Touch screens

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Laminated Bodies (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)
JP2018215316A 2018-07-31 2018-11-16 円偏光板および表示装置 Pending JP2020024352A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW108125834A TW202012978A (zh) 2018-07-31 2019-07-22 圓偏光板及顯示裝置
CN201910688163.6A CN110780372A (zh) 2018-07-31 2019-07-26 圆偏振板及显示装置
KR1020190091811A KR102891809B1 (ko) 2018-07-31 2019-07-29 원편광판 및 표시 장치

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018143527 2018-07-31
JP2018143527 2018-07-31

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2019172723A Division JP2020024422A (ja) 2018-07-31 2019-09-24 円偏光板および表示装置

Publications (1)

Publication Number Publication Date
JP2020024352A true JP2020024352A (ja) 2020-02-13

Family

ID=69618643

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2018215316A Pending JP2020024352A (ja) 2018-07-31 2018-11-16 円偏光板および表示装置
JP2019172723A Pending JP2020024422A (ja) 2018-07-31 2019-09-24 円偏光板および表示装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2019172723A Pending JP2020024422A (ja) 2018-07-31 2019-09-24 円偏光板および表示装置

Country Status (3)

Country Link
JP (2) JP2020024352A (enExample)
KR (1) KR102891809B1 (enExample)
TW (1) TW202012978A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020024422A (ja) * 2018-07-31 2020-02-13 住友化学株式会社 円偏光板および表示装置
JP2022008247A (ja) * 2020-06-25 2022-01-13 東友ファインケム株式会社 Ｏｌｅｄ用偏光板及びこれを含む画像表示装置
WO2022102166A1 (ja) * 2020-11-11 2022-05-19 日東電工株式会社 位相差層付偏光板の製造方法
JP2023075748A (ja) * 2021-11-19 2023-05-31 日東電工株式会社 位相差層付偏光板およびそれを用いた画像表示装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7399756B2 (ja) * 2020-03-09 2023-12-18 住友化学株式会社 光学積層体及びその製造方法
JP2023047491A (ja) * 2021-09-27 2023-04-06 日東電工株式会社 位相差層付偏光板およびそれを用いた画像表示装置、ならびに、位相差層付偏光板の評価方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007264626A (ja) * 2006-03-03 2007-10-11 Fujifilm Corp 偏光板、及びそれを用いた液晶表示装置
WO2007119560A1 (ja) * 2006-03-31 2007-10-25 Zeon Corporation 偏光板, 液晶表示装置, および, 保護フィルム
JP2013156391A (ja) * 2012-01-30 2013-08-15 Konica Minolta Inc ロール状円偏光板の製造方法、有機エレクトロルミネッセンス表示装置及び横電界型スイッチングモード型液晶表示装置
JP2017120430A (ja) * 2015-12-28 2017-07-06 住友化学株式会社 光学積層体
WO2018034148A1 (ja) * 2016-08-15 2018-02-22 日東電工株式会社 フレキシブル画像表示装置用積層体、及び、フレキシブル画像表示装置
WO2018070131A1 (ja) * 2016-10-12 2018-04-19 コニカミノルタ株式会社 偏光板および液晶表示装置
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR20170052991A (ko) 2015-11-05 2017-05-15 스미또모 가가꾸 가부시키가이샤 편광자 및 그의 제조방법
JP2020024352A (ja) * 2018-07-31 2020-02-13 住友化学株式会社 円偏光板および表示装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007264626A (ja) * 2006-03-03 2007-10-11 Fujifilm Corp 偏光板、及びそれを用いた液晶表示装置
WO2007119560A1 (ja) * 2006-03-31 2007-10-25 Zeon Corporation 偏光板, 液晶表示装置, および, 保護フィルム
JP2013156391A (ja) * 2012-01-30 2013-08-15 Konica Minolta Inc ロール状円偏光板の製造方法、有機エレクトロルミネッセンス表示装置及び横電界型スイッチングモード型液晶表示装置
JP2017120430A (ja) * 2015-12-28 2017-07-06 住友化学株式会社 光学積層体
WO2018034148A1 (ja) * 2016-08-15 2018-02-22 日東電工株式会社 フレキシブル画像表示装置用積層体、及び、フレキシブル画像表示装置
WO2018070131A1 (ja) * 2016-10-12 2018-04-19 コニカミノルタ株式会社 偏光板および液晶表示装置
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020024422A (ja) * 2018-07-31 2020-02-13 住友化学株式会社 円偏光板および表示装置
JP2022008247A (ja) * 2020-06-25 2022-01-13 東友ファインケム株式会社 Ｏｌｅｄ用偏光板及びこれを含む画像表示装置
WO2022102166A1 (ja) * 2020-11-11 2022-05-19 日東電工株式会社 位相差層付偏光板の製造方法
JP2022077101A (ja) * 2020-11-11 2022-05-23 日東電工株式会社 位相差層付偏光板の製造方法
JP7565192B2 (ja) 2020-11-11 2024-10-10 日東電工株式会社 位相差層付偏光板の製造方法
JP2023075748A (ja) * 2021-11-19 2023-05-31 日東電工株式会社 位相差層付偏光板およびそれを用いた画像表示装置

Also Published As

Publication number Publication date
JP2020024422A (ja) 2020-02-13
TW202012978A (zh) 2020-04-01
KR102891809B1 (ko) 2025-11-26
KR20200014225A (ko) 2020-02-10

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