JP7376494B2 - 偏光板およびその製造方法、ならびに該偏光板を含む画像表示装置 - Google Patents

偏光板およびその製造方法、ならびに該偏光板を含む画像表示装置 Download PDF

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JP7376494B2
JP7376494B2 JP2020547953A JP2020547953A JP7376494B2 JP 7376494 B2 JP7376494 B2 JP 7376494B2 JP 2020547953 A JP2020547953 A JP 2020547953A JP 2020547953 A JP2020547953 A JP 2020547953A JP 7376494 B2 JP7376494 B2 JP 7376494B2
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stretching
polarizing film
pva
weight
film
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JPWO2020066125A1 (ja
Inventor
智弘 山下
周作 後藤
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Nitto Denko Corp
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Nitto Denko Corp
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80Constructional details
    • H10K59/8791Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00634Production of filters
    • B29D11/00644Production of filters polarizing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/0073Optical laminates
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/14Protective coatings, e.g. hard coatings
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • 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
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources
    • H05B33/02Details
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources
    • H05B33/12Light sources with substantially two-dimensional radiating surfaces
    • H05B33/14Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/50OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Polarising Elements (AREA)
  • Laminated Bodies (AREA)
JP2020547953A 2018-09-25 2019-05-24 偏光板およびその製造方法、ならびに該偏光板を含む画像表示装置 Active JP7376494B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018178258 2018-09-25
JP2018178258 2018-09-25
PCT/JP2019/020712 WO2020066125A1 (ja) 2018-09-25 2019-05-24 偏光板およびその製造方法、ならびに該偏光板を含む画像表示装置

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JPWO2020066125A1 JPWO2020066125A1 (ja) 2021-08-30
JP7376494B2 true JP7376494B2 (ja) 2023-11-08

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JP2020547953A Active JP7376494B2 (ja) 2018-09-25 2019-05-24 偏光板およびその製造方法、ならびに該偏光板を含む画像表示装置

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JP (1) JP7376494B2 (ko)
KR (1) KR20210063325A (ko)
CN (1) CN112789528B (ko)
WO (1) WO2020066125A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021167948A (ja) * 2020-04-08 2021-10-21 日東電工株式会社 偏光フィルム
JP2021170044A (ja) * 2020-04-14 2021-10-28 日東電工株式会社 偏光膜および偏光フィルム
JP7240364B2 (ja) * 2020-08-27 2023-03-15 日東電工株式会社 偏光板およびその製造方法、ならびに、該偏光板を用いた位相差層付偏光板および画像表示装置
JP2022112802A (ja) * 2021-01-22 2022-08-03 日東電工株式会社 偏光板の製造方法、画像表示装置の製造方法および偏光膜の透過率の調整方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015137514A1 (ja) 2014-03-14 2015-09-17 日東電工株式会社 積層体、延伸積層体、延伸積層体の製造方法、それらを用いた、偏光膜を含む光学フィルム積層体の製造方法、及び偏光膜
WO2017130656A1 (ja) 2016-01-29 2017-08-03 住友化学株式会社 偏光板の製造方法
WO2017145607A1 (ja) 2016-02-26 2017-08-31 日東電工株式会社 偏光子、片保護偏光フィルム、粘着剤層付偏光フィルム並びに画像表示装置およびその連続製造方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4430096A1 (de) * 1994-08-25 1996-02-29 Agfa Gevaert Ag Thermostabile Polarisatoren
JP3783971B2 (ja) * 1995-10-11 2006-06-07 日東電工株式会社 光学フィルム及び液晶表示装置
JP2004020636A (ja) * 2002-06-12 2004-01-22 Kuraray Co Ltd 偏光フィルムの製造法
WO2010087653A2 (ko) 2009-01-30 2010-08-05 주식회사 엘지화학 내구성 및 내열성이 우수한 편광소자, 편광판 및 화상표시장치 및 편광소자 제조방법
JP5563413B2 (ja) * 2010-09-07 2014-07-30 日東電工株式会社 薄型偏光膜の製造方法
JP5930636B2 (ja) * 2011-09-27 2016-06-08 住友化学株式会社 偏光板
JP6054054B2 (ja) * 2012-05-11 2016-12-27 日東電工株式会社 偏光子の製造方法、偏光子、偏光板、光学フィルムおよび画像表示装置
TWI589939B (zh) * 2014-03-26 2017-07-01 Lg化學股份有限公司 用於製造具有局部消偏振區域的偏光器的方法 及偏光器、偏光板及使用其製造的圖像顯示裝置
JP5968943B2 (ja) * 2014-03-31 2016-08-10 日東電工株式会社 延伸積層体の製造方法および延伸積層体、ならびに偏光膜の製造方法および偏光膜
TWI690738B (zh) * 2015-09-18 2020-04-11 日商住友化學股份有限公司 複合偏光板及使用該偏光板之液晶面板
JP2017097087A (ja) * 2015-11-20 2017-06-01 住友化学株式会社 偏光板及び画像表示装置
WO2018025717A1 (ja) * 2016-08-03 2018-02-08 住友化学株式会社 積層フィルム
KR102290005B1 (ko) * 2016-08-22 2021-08-13 주식회사 쿠라레 편광판
CN111095051B (zh) * 2017-09-13 2022-04-05 日东电工株式会社 偏振片、偏振片卷、及偏振膜的制造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015137514A1 (ja) 2014-03-14 2015-09-17 日東電工株式会社 積層体、延伸積層体、延伸積層体の製造方法、それらを用いた、偏光膜を含む光学フィルム積層体の製造方法、及び偏光膜
WO2017130656A1 (ja) 2016-01-29 2017-08-03 住友化学株式会社 偏光板の製造方法
WO2017145607A1 (ja) 2016-02-26 2017-08-31 日東電工株式会社 偏光子、片保護偏光フィルム、粘着剤層付偏光フィルム並びに画像表示装置およびその連続製造方法

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KR20210063325A (ko) 2021-06-01
JPWO2020066125A1 (ja) 2021-08-30
TW202012153A (zh) 2020-04-01
CN112789528B (zh) 2023-08-29
CN112789528A (zh) 2021-05-11

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