KR102841272B1 - 액정 디스플레이 보호판 - Google Patents

액정 디스플레이 보호판

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Publication number
KR102841272B1
KR102841272B1 KR1020227019585A KR20227019585A KR102841272B1 KR 102841272 B1 KR102841272 B1 KR 102841272B1 KR 1020227019585 A KR1020227019585 A KR 1020227019585A KR 20227019585 A KR20227019585 A KR 20227019585A KR 102841272 B1 KR102841272 B1 KR 102841272B1
Authority
KR
South Korea
Prior art keywords
liquid crystal
resin
crystal display
plate
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
KR1020227019585A
Other languages
English (en)
Korean (ko)
Other versions
KR20220111276A (ko
Inventor
유시 오자와
마사하루 야마노
쇼 다가
Original Assignee
주식회사 쿠라레
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Publication of KR20220111276A publication Critical patent/KR20220111276A/ko
Application granted granted Critical
Publication of KR102841272B1 publication Critical patent/KR102841272B1/ko
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Anticipated expiration legal-status Critical

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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
    • G02B5/3083—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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • 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
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133331—Cover glasses
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/246—All polymers belonging to those covered by groups B32B27/32 and B32B27/30
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/308—Heat stability
    • 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
    • B32B2307/412—Transparent
    • 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
    • B32B2457/202—LCD, i.e. liquid crystal displays
    • 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
    • B32B2571/00—Protective equipment
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/50—Protective arrangements
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/02—Materials and properties organic material
    • G02F2202/022—Materials and properties organic material polymeric

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
KR1020227019585A 2019-12-11 2020-12-09 액정 디스플레이 보호판 Active KR102841272B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2019-223420 2019-12-11
JP2019223420 2019-12-11
PCT/JP2020/045935 WO2021117788A1 (ja) 2019-12-11 2020-12-09 液晶ディスプレイ保護板

Publications (2)

Publication Number Publication Date
KR20220111276A KR20220111276A (ko) 2022-08-09
KR102841272B1 true KR102841272B1 (ko) 2025-07-31

Family

ID=76329894

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227019585A Active KR102841272B1 (ko) 2019-12-11 2020-12-09 액정 디스플레이 보호판

Country Status (5)

Country Link
EP (1) EP4075187B1 (https=)
JP (1) JP7538145B2 (https=)
KR (1) KR102841272B1 (https=)
CN (1) CN114787698B (https=)
WO (1) WO2021117788A1 (https=)

Citations (2)

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JP2008050550A (ja) * 2005-10-07 2008-03-06 Asahi Kasei Chemicals Corp 光学補償フィルム
JP2017125185A (ja) * 2016-01-07 2017-07-20 旭化成株式会社 メタクリル系樹脂、メタクリル系樹脂組成物、フィルム

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JP4608800B2 (ja) * 2001-04-16 2011-01-12 コニカミノルタホールディングス株式会社 位相差フィルムの製造方法
JP4299485B2 (ja) 2002-02-13 2009-07-22 電気化学工業株式会社 熱可塑性樹脂組成物
JP4239649B2 (ja) 2003-03-31 2009-03-18 住友化学株式会社 耐擦傷性樹脂板及びそれを用いた携帯型情報端末の表示窓保護板
JP2006350371A (ja) * 2004-08-26 2006-12-28 Nitto Denko Corp 位相差フィルムおよびその製造方法、ならびに、該位相差フィルムを用いた光学フィルム、液晶パネルおよび液晶表示装置
JP2006103169A (ja) 2004-10-06 2006-04-20 Mitsubishi Gas Chem Co Inc 液晶ディスプレーカバー用ポリカーボネート樹脂積層体
EP2051111A1 (en) * 2004-12-24 2009-04-22 Panasonic Electric Works Co., Ltd. Optical laminated film for liquid crystal display device
CN101283040B (zh) * 2005-10-07 2010-12-22 旭化成电子材料株式会社 光学材料用树脂组合物
JP2010085978A (ja) 2008-09-03 2010-04-15 Sumitomo Chemical Co Ltd 液晶ディスプレイ保護板
KR101231715B1 (ko) * 2009-03-18 2013-02-08 주식회사 엘지화학 아크릴계 공중합체 수지, 이를 포함하는 광학 필름 및 액정표시 장치
JP2011145593A (ja) * 2010-01-18 2011-07-28 Nippon Zeon Co Ltd ハードコートフィルム及び画像表示素子
JP2011248178A (ja) * 2010-05-28 2011-12-08 Sumitomo Chemical Co Ltd 液晶表示装置
US9321227B2 (en) * 2010-09-07 2016-04-26 Zeon Corporation Phase difference plate manufacturing method, phase difference plate, and liquid crystal display device
JP6251959B2 (ja) * 2013-01-31 2017-12-27 日本ゼオン株式会社 位相差フィルムの製造方法
KR102114358B1 (ko) * 2013-02-04 2020-05-22 니폰 제온 가부시키가이샤 적층 위상차 필름 및 그의 제조 방법
CN105102534B (zh) * 2013-04-05 2019-08-23 株式会社钟化 树脂组合物及其膜
JP6655528B2 (ja) * 2016-01-05 2020-02-26 富士フイルム株式会社 偏光板および液晶表示装置
JP6571542B2 (ja) * 2016-01-13 2019-09-04 株式会社クラレ 芳香族ビニル系共重合体を含有する樹脂組成物
CN109791326B (zh) * 2016-09-29 2022-01-18 夏普株式会社 液晶显示装置的设计方法、制造方法及液晶显示装置
JP6321107B2 (ja) * 2016-10-04 2018-05-09 日東電工株式会社 光学積層体および画像表示装置
WO2018199213A1 (ja) * 2017-04-28 2018-11-01 株式会社クラレ 押出樹脂板とその製造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008050550A (ja) * 2005-10-07 2008-03-06 Asahi Kasei Chemicals Corp 光学補償フィルム
JP2017125185A (ja) * 2016-01-07 2017-07-20 旭化成株式会社 メタクリル系樹脂、メタクリル系樹脂組成物、フィルム

Also Published As

Publication number Publication date
KR20220111276A (ko) 2022-08-09
JP7538145B2 (ja) 2024-08-21
CN114787698A (zh) 2022-07-22
EP4075187B1 (en) 2025-05-07
CN114787698B (zh) 2024-11-08
WO2021117788A1 (ja) 2021-06-17
EP4075187A1 (en) 2022-10-19
JPWO2021117788A1 (https=) 2021-06-17
EP4075187A4 (en) 2024-01-10

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