WO2021084998A1 - Stratifié optique et dispositif d'affichage - Google Patents

Stratifié optique et dispositif d'affichage Download PDF

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Publication number
WO2021084998A1
WO2021084998A1 PCT/JP2020/036641 JP2020036641W WO2021084998A1 WO 2021084998 A1 WO2021084998 A1 WO 2021084998A1 JP 2020036641 W JP2020036641 W JP 2020036641W WO 2021084998 A1 WO2021084998 A1 WO 2021084998A1
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WO
WIPO (PCT)
Prior art keywords
optical laminate
resin
group
impact
sensitive adhesive
Prior art date
Application number
PCT/JP2020/036641
Other languages
English (en)
Japanese (ja)
Inventor
ボラム 片
▲ビョン▼▲フン▼ 宋
Original Assignee
住友化学株式会社
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=75378000&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2021084998(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 住友化学株式会社 filed Critical 住友化学株式会社
Priority to CN202080074444.3A priority Critical patent/CN114586087B/zh
Priority to KR1020227022049A priority patent/KR20220098806A/ko
Priority to KR1020217018934A priority patent/KR102416079B1/ko
Publication of WO2021084998A1 publication Critical patent/WO2021084998A1/fr

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Classifications

    • 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
    • B32B7/022—Mechanical properties
    • 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
    • G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • 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
    • 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
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
    • 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
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • 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
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • 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
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2479/00—Presence of polyamine or polyimide
    • C09J2479/08—Presence of polyamine or polyimide polyimide
    • C09J2479/086—Presence of polyamine or polyimide polyimide in the substrate

Definitions

  • the present invention provides an optical laminate having a front plate, at least one pressure-sensitive adhesive layer, and an impact-resistant layer, wherein the impact-resistant layer has a thickness of 5 to 140 ⁇ m.
  • the present invention also provides a display device including any of the above optical laminates and a display unit in the internal direction of the optical laminate.
  • the material may be, for example, an acrylic resin such as polymethyl (meth) acrylate and polyethyl (meth) acrylate; and a polyolefin-based material such as polyethylene, polypropylene, polymethylpentene and polystyrene.
  • Resins Cellular resins such as triacetyl cellulose, acetyl cellulose butyrate, propionyl cellulose, butyryl cellulose and acetyl propionyl cellulose; ethylene-vinyl acetate copolymer, polyvinyl chloride, polyvinylidene chloride, polyvinyl alcohol, polyvinyl acetal, etc.
  • Ar represents an arylene group having 6 to 20 carbon atoms which may be substituted with a fluorine atom, and specific examples thereof include a phenylene group.
  • T and u in the formula (101) and the formula (101') are independently integers of 0 to 4, preferably an integer of 0 to 2, and more preferably 0 or 1.
  • the diamine may also have a fluorine-based substituent.
  • fluorine-based substituent include a perfluoroalkyl group having 1 to 5 carbon atoms such as a trifluoromethyl group and a fluoro group.
  • the value is twice the molar amount of the structural unit derived from the tetracarboxylic acid compound in the polyimide resin and the polyamide-imide resin, and the value is derived from the tricarboxylic acid compound.
  • the ratio of the molar amount of the imide bond in the polyimide resin and the polyamide-imide resin to the total amount of the molar amount of the constituent unit to be formed is shown.
  • the imidization rate can be determined by an IR method, an NMR method, or the like. For example, in the NMR method, it can be measured by the method described in Examples.
  • the yellowness (YI value) of the transparent resin film is preferably 3.0 or less, more preferably 2.7 or less, still more preferably 2.5 or less, and particularly preferably 2.0 or less.
  • the yellowness is usually ⁇ 5 or more, preferably ⁇ 2 or more, more preferably 0 or more, still more preferably 0.3 or more, still more preferably 0.5 or more, and particularly preferably 0.7 or more.
  • the pressure-sensitive adhesive layer is located between the non-adhesive layers constituting the optical laminate or between the non-adhesive layer constituting the optical laminate and an adherend such as a display unit.
  • the pressure-sensitive adhesive layer is a layer that connects members existing on both sides thereof.
  • the optical laminate 10 has a first pressure-sensitive adhesive layer 2 and a second pressure-sensitive adhesive layer 4.
  • the first pressure-sensitive adhesive layer 2 is located between the front plate 1 and the impact-resistant layer 3 described later, and binds the two.
  • the second pressure-sensitive adhesive layer is located on the inner surface of the impact-resistant layer 3 and binds the impact-resistant layer and the adherend.
  • the adherend include a polarizing plate of a display unit, a circular polarizing plate, a touch sensor, and the like.
  • Each pressure-sensitive adhesive layer may be made of the same material or different materials.
  • Example 4 An optical laminate was produced in the same manner as in Example 2 except that a (meth) acrylic transparent adhesive sheet having a thickness of 85 ⁇ m and a storage elastic modulus of 0.1 MPa at 25 ° C. was used as the second adhesive layer.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Theoretical Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Polarising Elements (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

L'objectif de la présente invention est de fournir un stratifié optique présentant une excellente résistance à la flexion et une excellente résistance aux chocs. La présente invention concerne un stratifié optique ayant une plaque avant, au moins une couche d'agent adhésif et une couche résistante aux chocs, la couche résistante aux chocs ayant une épaisseur de 5 à 140 µm.
PCT/JP2020/036641 2019-10-28 2020-09-28 Stratifié optique et dispositif d'affichage WO2021084998A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202080074444.3A CN114586087B (zh) 2019-10-28 2020-09-28 光学层叠体和显示装置
KR1020227022049A KR20220098806A (ko) 2019-10-28 2020-09-28 광학 적층체 및 표시장치
KR1020217018934A KR102416079B1 (ko) 2019-10-28 2020-09-28 광학 적층체 및 표시장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2019195586 2019-10-28
JP2019-195586 2019-10-28
JP2020136370A JP6857771B1 (ja) 2019-10-28 2020-08-12 光学積層体及び表示装置
JP2020-136370 2020-08-12

Publications (1)

Publication Number Publication Date
WO2021084998A1 true WO2021084998A1 (fr) 2021-05-06

Family

ID=75378000

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/036641 WO2021084998A1 (fr) 2019-10-28 2020-09-28 Stratifié optique et dispositif d'affichage

Country Status (5)

Country Link
JP (3) JP6857771B1 (fr)
KR (2) KR20220098806A (fr)
CN (1) CN114586087B (fr)
TW (1) TW202116561A (fr)
WO (1) WO2021084998A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230135121A (ko) * 2021-01-25 2023-09-22 다이니폰 인사츠 가부시키가이샤 광배향성을 갖는 열경화성 액정 조성물, 배향막 겸 위상차 필름 및 그 제조 방법, 위상차판 및 그 제조 방법, 광학 부재 및 그 제조 방법, 그리고, 표시 장치

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JP2003227936A (ja) * 2002-02-05 2003-08-15 Nitto Denko Corp 輝度向上フィルム、その製造方法、光学フィルムおよび画像表示装置
JP2009075473A (ja) * 2007-09-21 2009-04-09 Sumitomo Chemical Co Ltd 偏光板とその製造方法、並びに積層光学部材および液晶表示装置
JP2011039363A (ja) * 2009-08-14 2011-02-24 Sumitomo Chemical Co Ltd 偏光板および液晶パネル
JP2012237965A (ja) * 2011-04-27 2012-12-06 Nitto Denko Corp 粘着剤層、光学フィルムおよび画像表示装置
WO2017082375A1 (fr) * 2015-11-13 2017-05-18 住友化学株式会社 Plaque polarisante, dispositif d'affichage à cristaux liquides, et dispositif d'affichage électroluminescent organique
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JP2018091974A (ja) * 2016-12-01 2018-06-14 日東電工株式会社 粘着剤付き偏光板および画像表示装置
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JP7042020B2 (ja) 2016-08-15 2022-03-25 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
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Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003227936A (ja) * 2002-02-05 2003-08-15 Nitto Denko Corp 輝度向上フィルム、その製造方法、光学フィルムおよび画像表示装置
JP2009075473A (ja) * 2007-09-21 2009-04-09 Sumitomo Chemical Co Ltd 偏光板とその製造方法、並びに積層光学部材および液晶表示装置
JP2011039363A (ja) * 2009-08-14 2011-02-24 Sumitomo Chemical Co Ltd 偏光板および液晶パネル
JP2012237965A (ja) * 2011-04-27 2012-12-06 Nitto Denko Corp 粘着剤層、光学フィルムおよび画像表示装置
WO2017082375A1 (fr) * 2015-11-13 2017-05-18 住友化学株式会社 Plaque polarisante, dispositif d'affichage à cristaux liquides, et dispositif d'affichage électroluminescent organique
JP2017126061A (ja) * 2016-01-11 2017-07-20 三星ディスプレイ株式會社Ｓａｍｓｕｎｇ Ｄｉｓｐｌａｙ Ｃｏ．，Ｌｔｄ． フォルダブル表示装置
JP2018091974A (ja) * 2016-12-01 2018-06-14 日東電工株式会社 粘着剤付き偏光板および画像表示装置
JP2018111754A (ja) * 2017-01-10 2018-07-19 日東電工株式会社 粘着シート

Also Published As

Publication number Publication date
JP2021119046A (ja) 2021-08-12
KR20210091307A (ko) 2021-07-21
TW202116561A (zh) 2021-05-01
KR102416079B1 (ko) 2022-07-05
KR20220098806A (ko) 2022-07-12
JP2021070314A (ja) 2021-05-06
JP2023053064A (ja) 2023-04-12
JP6857771B1 (ja) 2021-04-14
JP7225294B2 (ja) 2023-02-20
CN114586087A (zh) 2022-06-03
CN114586087B (zh) 2024-05-07

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