KR102891809B1 - 원편광판 및 표시 장치 - Google Patents

원편광판 및 표시 장치

Info

Publication number
KR102891809B1
KR102891809B1 KR1020190091811A KR20190091811A KR102891809B1 KR 102891809 B1 KR102891809 B1 KR 102891809B1 KR 1020190091811 A KR1020190091811 A KR 1020190091811A KR 20190091811 A KR20190091811 A KR 20190091811A KR 102891809 B1 KR102891809 B1 KR 102891809B1
Authority
KR
South Korea
Prior art keywords
polarizing plate
film
circular polarizing
polarizer
phase difference
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
KR1020190091811A
Other languages
English (en)
Korean (ko)
Other versions
KR20200014225A (ko
Inventor
미츠아키 오가와
Original Assignee
스미또모 가가꾸 가부시키가이샤
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 스미또모 가가꾸 가부시키가이샤 filed Critical 스미또모 가가꾸 가부시키가이샤
Publication of KR20200014225A publication Critical patent/KR20200014225A/ko
Application granted granted Critical
Publication of KR102891809B1 publication Critical patent/KR102891809B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Laminated Bodies (AREA)
  • Electroluminescent Light Sources (AREA)
KR1020190091811A 2018-07-31 2019-07-29 원편광판 및 표시 장치 Active KR102891809B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018143527 2018-07-31
JPJP-P-2018-143527 2018-07-31
JPJP-P-2018-215316 2018-11-16
JP2018215316A JP2020024352A (ja) 2018-07-31 2018-11-16 円偏光板および表示装置

Publications (2)

Publication Number Publication Date
KR20200014225A KR20200014225A (ko) 2020-02-10
KR102891809B1 true KR102891809B1 (ko) 2025-11-26

Family

ID=69618643

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020190091811A Active KR102891809B1 (ko) 2018-07-31 2019-07-29 원편광판 및 표시 장치

Country Status (3)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
KR102325624B1 (ko) * 2020-06-25 2021-11-12 동우 화인켐 주식회사 Oled용 편광판 및 이를 포함하는 화상표시장치
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
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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017078092A1 (ja) 2015-11-05 2017-05-11 住友化学株式会社 偏光子及びその製造方法
JP2018028573A (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

Family Cites Families (8)

* 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
US8139181B2 (en) * 2006-03-31 2012-03-20 Zeon Corporation Polarization plate, liquid crystal display device and protective film
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
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
KR102799874B1 (ko) * 2015-12-28 2025-04-23 스미또모 가가꾸 가부시끼가이샤 광학 적층체
CN109844580B (zh) * 2016-10-12 2021-09-28 柯尼卡美能达株式会社 偏振片和液晶显示装置
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
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017078092A1 (ja) 2015-11-05 2017-05-11 住友化学株式会社 偏光子及びその製造方法
JP2018028573A (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

Also Published As

Publication number Publication date
JP2020024352A (ja) 2020-02-13
JP2020024422A (ja) 2020-02-13
TW202012978A (zh) 2020-04-01
KR20200014225A (ko) 2020-02-10

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