JP2020020996A - 偏光板、及び、液晶表示装置 - Google Patents

偏光板、及び、液晶表示装置 Download PDF

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Publication number
JP2020020996A
JP2020020996A JP2018146073A JP2018146073A JP2020020996A JP 2020020996 A JP2020020996 A JP 2020020996A JP 2018146073 A JP2018146073 A JP 2018146073A JP 2018146073 A JP2018146073 A JP 2018146073A JP 2020020996 A JP2020020996 A JP 2020020996A
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JP
Japan
Prior art keywords
retardation layer
group
polarizer
liquid crystal
polarizing plate
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
JP2018146073A
Other languages
English (en)
Japanese (ja)
Inventor
正寛 市原
Masahiro Ichihara
正寛 市原
廷敏 趙
Jung Min Cho
廷敏 趙
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 JP2018146073A priority Critical patent/JP2020020996A/ja
Priority to PCT/JP2019/026110 priority patent/WO2020026674A1/ja
Priority to CN201980050271.9A priority patent/CN112513696B/zh
Priority to KR1020217004859A priority patent/KR20210039397A/ko
Priority to TW108125632A priority patent/TWI803666B/zh
Publication of JP2020020996A publication Critical patent/JP2020020996A/ja
Pending legal-status Critical Current

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    • 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
    • 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
    • G02B5/3025—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
    • 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
    • G02F1/133528—Polarisers
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating 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
    • 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
    • B32B2457/202—LCD, i.e. liquid crystal displays

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Theoretical Computer Science (AREA)
  • Polarising Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Laminated Bodies (AREA)
JP2018146073A 2018-08-02 2018-08-02 偏光板、及び、液晶表示装置 Pending JP2020020996A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2018146073A JP2020020996A (ja) 2018-08-02 2018-08-02 偏光板、及び、液晶表示装置
PCT/JP2019/026110 WO2020026674A1 (ja) 2018-08-02 2019-07-01 偏光板及び液晶表示装置
CN201980050271.9A CN112513696B (zh) 2018-08-02 2019-07-01 偏振板及液晶显示装置
KR1020217004859A KR20210039397A (ko) 2018-08-02 2019-07-01 편광판 및 액정 표시 장치
TW108125632A TWI803666B (zh) 2018-08-02 2019-07-19 偏光板及液晶顯示裝置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018146073A JP2020020996A (ja) 2018-08-02 2018-08-02 偏光板、及び、液晶表示装置

Publications (1)

Publication Number Publication Date
JP2020020996A true JP2020020996A (ja) 2020-02-06

Family

ID=69230929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018146073A Pending JP2020020996A (ja) 2018-08-02 2018-08-02 偏光板、及び、液晶表示装置

Country Status (5)

Country Link
JP (1) JP2020020996A (zh)
KR (1) KR20210039397A (zh)
CN (1) CN112513696B (zh)
TW (1) TWI803666B (zh)
WO (1) WO2020026674A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021131532A (ja) * 2020-02-18 2021-09-09 住友化学株式会社 光学積層体

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005189632A (ja) * 2003-12-26 2005-07-14 Teijin Ltd 広視野角偏光フィルム
JP2006189781A (ja) * 2004-12-08 2006-07-20 Nitto Denko Corp 液晶パネル及び液晶表示装置
JP2006215221A (ja) * 2005-02-03 2006-08-17 Nitto Denko Corp 偏光素子、液晶パネル、液晶テレビおよび液晶表示装置、ならびに偏光素子の製造方法
JP2007206605A (ja) * 2006-02-06 2007-08-16 Nitto Denko Corp 液晶パネルおよび液晶表示装置
US20140340619A1 (en) * 2013-05-14 2014-11-20 Au Optronics Corp. Display device
WO2017038415A1 (ja) * 2015-08-31 2017-03-09 日東電工株式会社 光学補償層付偏光板およびそれを用いた有機ｅｌパネル

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3880996B2 (ja) 2004-05-26 2007-02-14 日東電工株式会社 楕円偏光板および液晶表示装置
JP5036209B2 (ja) * 2006-04-07 2012-09-26 富士フイルム株式会社 液晶表示装置
JP2009103900A (ja) * 2007-10-23 2009-05-14 Nitto Denko Corp 積層光学フィルム、液晶パネルおよび液晶表示装置
KR102368381B1 (ko) * 2013-08-09 2022-02-28 스미또모 가가꾸 가부시키가이샤 광학 필름
TWI636285B (zh) * 2013-08-09 2018-09-21 住友化學股份有限公司 Optical film
KR102453716B1 (ko) * 2016-06-30 2022-10-11 스미또모 가가꾸 가부시끼가이샤 위상차 필름
EP3499280A4 (en) * 2016-08-08 2020-04-08 Zeon Corporation OPTICAL ANISOTROPES LAMINATE, POLARIZATION PLATE AND IMAGE DISPLAY DEVICE

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005189632A (ja) * 2003-12-26 2005-07-14 Teijin Ltd 広視野角偏光フィルム
JP2006189781A (ja) * 2004-12-08 2006-07-20 Nitto Denko Corp 液晶パネル及び液晶表示装置
JP2006215221A (ja) * 2005-02-03 2006-08-17 Nitto Denko Corp 偏光素子、液晶パネル、液晶テレビおよび液晶表示装置、ならびに偏光素子の製造方法
JP2007206605A (ja) * 2006-02-06 2007-08-16 Nitto Denko Corp 液晶パネルおよび液晶表示装置
US20140340619A1 (en) * 2013-05-14 2014-11-20 Au Optronics Corp. Display device
WO2017038415A1 (ja) * 2015-08-31 2017-03-09 日東電工株式会社 光学補償層付偏光板およびそれを用いた有機ｅｌパネル

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021131532A (ja) * 2020-02-18 2021-09-09 住友化学株式会社 光学積層体
JP7193559B2 (ja) 2020-02-18 2022-12-20 住友化学株式会社 光学積層体

Also Published As

Publication number Publication date
TW202018338A (zh) 2020-05-16
CN112513696B (zh) 2022-09-20
WO2020026674A1 (ja) 2020-02-06
TWI803666B (zh) 2023-06-01
CN112513696A (zh) 2021-03-16
KR20210039397A (ko) 2021-04-09

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