JP7628544B2 - 偏光板、位相差層付偏光板および画像表示装置 - Google Patents

偏光板、位相差層付偏光板および画像表示装置 Download PDF

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Publication number
JP7628544B2
JP7628544B2 JP2022531749A JP2022531749A JP7628544B2 JP 7628544 B2 JP7628544 B2 JP 7628544B2 JP 2022531749 A JP2022531749 A JP 2022531749A JP 2022531749 A JP2022531749 A JP 2022531749A JP 7628544 B2 JP7628544 B2 JP 7628544B2
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Japan
Prior art keywords
polarizer
polarizing plate
resin
layer
protective layer
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English (en)
Japanese (ja)
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JPWO2021261276A1 (https=
Inventor
一葵 川緑
和哉 三輪
幸佑 ▲高▼永
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Nitto Denko Corp
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Nitto Denko Corp
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Priority to JP2024218628A priority Critical patent/JP2025038087A/ja
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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
    • 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
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/02—Details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional [2D] radiating surfaces
    • H05B33/14—Light sources with substantially two-dimensional [2D] 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Polarising Elements (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Liquid Crystal (AREA)
  • Materials Engineering (AREA)
JP2022531749A 2020-06-26 2021-06-10 偏光板、位相差層付偏光板および画像表示装置 Active JP7628544B2 (ja)

Priority Applications (1)

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JP2024218628A JP2025038087A (ja) 2020-06-26 2024-12-13 偏光板、位相差層付偏光板および画像表示装置

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2020110306 2020-06-26
JP2020110306 2020-06-26
JP2020133457 2020-08-06
JP2020133457 2020-08-06
PCT/JP2021/022148 WO2021261276A1 (ja) 2020-06-26 2021-06-10 偏光板、位相差層付偏光板および画像表示装置

Related Child Applications (1)

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JP2024218628A Division JP2025038087A (ja) 2020-06-26 2024-12-13 偏光板、位相差層付偏光板および画像表示装置

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JPWO2021261276A1 JPWO2021261276A1 (https=) 2021-12-30
JP7628544B2 true JP7628544B2 (ja) 2025-02-10

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JP2022531749A Active JP7628544B2 (ja) 2020-06-26 2021-06-10 偏光板、位相差層付偏光板および画像表示装置
JP2024218628A Withdrawn JP2025038087A (ja) 2020-06-26 2024-12-13 偏光板、位相差層付偏光板および画像表示装置

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JP (2) JP7628544B2 (https=)
KR (1) KR20230030575A (https=)
CN (1) CN115997144A (https=)
TW (1) TWI893141B (https=)
WO (1) WO2021261276A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2025004793A1 (https=) * 2023-06-27 2025-01-02

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016093277A1 (ja) 2014-12-12 2016-06-16 住友化学株式会社 偏光フィルムの製造方法及び偏光フィルム
JP2017003954A (ja) 2015-06-12 2017-01-05 住友化学株式会社 偏光フィルム及びそれを含む偏光板
WO2017010218A1 (ja) 2015-07-16 2017-01-19 東海精密工業株式会社 偏光性成形体
JP2017182017A (ja) 2016-03-31 2017-10-05 住友化学株式会社 偏光板、偏光フィルムの製造方法、偏光板の製造方法
JP2017187731A (ja) 2016-03-30 2017-10-12 住友化学株式会社 延伸フィルムの製造方法及び偏光フィルムの製造方法
WO2018235630A1 (ja) 2017-06-22 2018-12-27 日東電工株式会社 積層体および積層体の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5036191B2 (ja) * 2005-03-16 2012-09-26 日本合成化学工業株式会社 ポリビニルアルコール系フィルムおよびその製造方法
JP2015210474A (ja) 2014-04-30 2015-11-24 株式会社カネカ 偏光子保護フィルムおよび偏光板
JP5811296B1 (ja) * 2014-08-01 2015-11-11 三菱化学株式会社 偏光素子の製造方法、その方法を用いて得られる偏光素子及びその偏光素子を備えた表示装置
JP6202062B2 (ja) * 2014-09-30 2017-09-27 住友化学株式会社 偏光フィルムの強度測定方法及び偏光板
JP2017062517A (ja) * 2017-01-12 2017-03-30 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
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
JP6683882B1 (ja) * 2019-12-25 2020-04-22 住友化学株式会社 光学積層体、フレキシブル表示装置及び光学積層体の製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016093277A1 (ja) 2014-12-12 2016-06-16 住友化学株式会社 偏光フィルムの製造方法及び偏光フィルム
JP2017003954A (ja) 2015-06-12 2017-01-05 住友化学株式会社 偏光フィルム及びそれを含む偏光板
WO2017010218A1 (ja) 2015-07-16 2017-01-19 東海精密工業株式会社 偏光性成形体
JP2017187731A (ja) 2016-03-30 2017-10-12 住友化学株式会社 延伸フィルムの製造方法及び偏光フィルムの製造方法
JP2017182017A (ja) 2016-03-31 2017-10-05 住友化学株式会社 偏光板、偏光フィルムの製造方法、偏光板の製造方法
WO2018235630A1 (ja) 2017-06-22 2018-12-27 日東電工株式会社 積層体および積層体の製造方法

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Publication number Publication date
KR20230030575A (ko) 2023-03-06
WO2021261276A1 (ja) 2021-12-30
TWI893141B (zh) 2025-08-11
CN115997144A (zh) 2023-04-21
JP2025038087A (ja) 2025-03-18
TW202208181A (zh) 2022-03-01
JPWO2021261276A1 (https=) 2021-12-30

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