[go: up one dir, main page]

WO2018217046A1 - Feuille adhésive optiquement transparente - Google Patents

Feuille adhésive optiquement transparente Download PDF

Info

Publication number
WO2018217046A1
WO2018217046A1 PCT/KR2018/005928 KR2018005928W WO2018217046A1 WO 2018217046 A1 WO2018217046 A1 WO 2018217046A1 KR 2018005928 W KR2018005928 W KR 2018005928W WO 2018217046 A1 WO2018217046 A1 WO 2018217046A1
Authority
WO
WIPO (PCT)
Prior art keywords
meth
acrylate
optically transparent
adhesive sheet
transparent adhesive
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.)
Ceased
Application number
PCT/KR2018/005928
Other languages
English (en)
Korean (ko)
Inventor
이승우
권혜림
김길웅
정경문
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.)
Dongwoo Fine Chem Co Ltd
Original Assignee
Dongwoo Fine Chem 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 Dongwoo Fine Chem Co Ltd filed Critical Dongwoo Fine Chem Co Ltd
Priority to JP2019564831A priority Critical patent/JP7278967B2/ja
Publication of WO2018217046A1 publication Critical patent/WO2018217046A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/08—Homopolymers or copolymers of acrylic acid esters
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • 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
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/10—Homopolymers or copolymers of methacrylic acid esters
    • 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
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature

Definitions

  • the present invention relates to an optically transparent adhesive sheet, a flat panel display device comprising the same, and a composition for manufacturing the same.
  • image display modules of electronic devices such as mobile handheld devices, computer displays and touch panels
  • glass or plastic films are laminated as surface protective layers.
  • This surface protection layer is fixed to the image display module or touch panel by applying a frame-shaped tape or adhesive to the margin outside the image display portion or outside the active area of the touch panel. As a result, a gap is formed between the active area of the image display portion or the touch panel and the surface protective layer.
  • exemplary transparent materials include, but are not limited to, optical adhesive films (OCA films), pressure sensitive adhesives, adhesives, silicon gels, and the like.
  • OCA films optical adhesive films
  • Silicone gels have reliability problems due to their low adhesion.
  • the pressure-sensitive adhesive for example, the pressure-sensitive adhesive sheet
  • the pressure-sensitive adhesive sheet is capable of re-lamination in spite of sufficiently high adhesion, but it is difficult to apply uniformly due to the liquid type by the solvent, and lifted by the remaining solvent. There is a problem that a phenomenon occurs.
  • the surface of the adherend such as an image display module, optical member or surface protective layer
  • the surface of the surface protective layer in particular in contact with an adhesive film or adhesive sheet, is often subjected to printing for decorative or shading purposes.
  • the printed portion generates a step of at least 10 ⁇ m in height on the surface of the surface protective layer.
  • One potential problem in laminating an image display module or touch panel with a surface protective layer using an optical adhesive film is that the optical adhesive film may not be sufficiently matched to the stage and there may be gaps on or around the stage. It can be triggered.
  • the object of the present invention is to minimize the lifting phenomenon from the surface of the adherend after curing, and to provide an optically transparent adhesive sheet excellent in adhesion, step filling and durability.
  • the present invention is an optically transparent adhesive sheet comprising a (meth) acrylic copolymer, a photoinitiator and an acrylate monomer, wherein the optically transparent adhesive sheet has a stress relaxation ratio of 0.02 to 0.10 after primary ultraviolet crosslinking at 70 ° C, It provides an optically transparent adhesive sheet characterized in that the stress relaxation ratio after the second ultraviolet crosslinking at the same temperature as the first ultraviolet crosslinking is 0.3 to 0.6.
  • the present invention is a composition
  • a (meth) acrylate resin syrup, a photoinitiator and a (meth) acrylate monomer which is a resin syrup prepared by partially polymerizing a (meth) acrylate monomer, the optically transparent adhesive sheet described above It provides a composition for preparing.
  • the present invention provides a flat panel display device including the optically transparent adhesive sheet described above.
  • the stress relaxation ratio after primary UV crosslinking at 70 ° C. is 0.02 to 0.10, thereby providing excellent end embedding and step breakability, and the stress relaxation ratio after secondary UV crosslinking at 70 ° C. is 0.3. Designed to 0.6 to minimize the lifting phenomenon from the surface of the adherend, it is possible to provide an energy-curable inorganic adhesive film excellent in step fillability and durability.
  • the present invention relates to an optically transparent adhesive film and a composition for producing the same.
  • the optically transparent adhesive film of the present invention may be an inorganic film.
  • the composition of the present invention may be one containing a (meth) acrylate copolymer, a photoinitiator and a (meth) acrylate monomer.
  • the optically transparent adhesive film of the present invention may include a (meth) acrylic copolymer, a photoinitiator and an acrylate monomer, and in the present invention, that the optically transparent adhesive film includes the composition may mean that the composition is prepared from the composition. have.
  • the optically transparent adhesive sheet of the present invention prepared from the composition, has a stress relaxation ratio of 0.02 to 0.10 after the first ultraviolet crosslinking at 70 ° C., and is performed at the same temperature as that of the first ultraviolet crosslinking.
  • the stress relaxation ratio after the second ultraviolet crosslinking is characterized in that 0.3 to 0.6, it is excellent in the end buried property and step overcomeability, it is possible to minimize the lifting phenomenon from the surface of the adherend after curing.
  • the present invention is a composition comprising a (meth) acrylate resin syrup, a photoinitiator and a (meth) acrylate monomer, which is a resin syrup prepared by partially polymerizing a (meth) acrylate monomer, wherein the optically transparent adhesive sheet is prepared.
  • the stress relaxation ratio after the first ultraviolet crosslinking at 70 °C is 0.02 to 0.10, the second ultraviolet crosslinking at the same temperature as the temperature of the first ultraviolet crosslinking
  • the post-stress relaxation ratio satisfies 0.3 to 0.6, it is possible to secure end embedding and step resilience due to cohesion, adhesiveness, and durability improvement in the pressure-sensitive adhesive, and minimize the lifting phenomenon from the surface of the adhesive.
  • (meth) acrylate means “acrylate", “methacrylate” or both.
  • (meth) acrylate syrup when included, it can contribute to the cohesion, adhesion and durability of the adhesive.
  • the (meth) acrylate syrup of the present invention may comprise i) an acrylate comprising a hydroxy group and ii) a monofunctional (meth) acrylate monomer.
  • the i) acrylate monomer including a hydroxyl group it may contribute to the improvement of cohesion and adhesion.
  • the i) acrylate containing a hydroxy group is not limited in kind as long as it includes a hydroxy group
  • the alkyl acrylate monomer containing a hydroxy group is specifically, for example, 2-hydroxyethyl acrylate, 2-hydroxy Propyl acrylate, 4-hydroxybutyl acrylate, 5-hydroxypentyl acrylate, 6-hydroxyhexyl acrylate, 8-hydroxyoctyl acrylate, 2-hydroxyethylene glycol acrylate and 2-hydroxypropylene Glycol acrylate and the like.
  • the ii) monofunctional (meth) acrylate monomer is not limited in kind as long as it is a monofunctional monomer known in the art, specifically, for example, ethylhexyl (meth) acrylate, dodecyl (meth) Acrylate, isobornyl (meth) acrylate, cyclohexyl (meth) acrylate, 2-hydroxyethyl (meth) acrylate, methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) Acrylate, isopropyl (meth) acrylate, n-butyl (meth) acrylate, t-butyl (meth) acrylate, sec-butyl (meth) acrylate, pentyl (meth) acrylate, 2-ethylhexyl ( Meth) acrylate, 2-ethylbutyl (meth) acrylate, n-o
  • the i) acrylate containing a hydroxy group may include 5 to 20% by weight relative to the total weight of the copolymer comprising the i) acrylate containing a hydroxy group and the ii) monofunctional (meth) acrylate monomer, 5 If it is less than the weight%, the durability reliability may be lowered, such as cohesive failure occurs under high temperature and / or high humidity conditions, and if it exceeds 20% by weight, wettability and adhesion may be reduced due to the decrease in compatibility.
  • the (meth) acrylate syrup may have a weight average molecular weight of 600,000 or more and 1 million or less, more preferably 600,000 or more and 800,000 or less.
  • the weight average molecular weight of the (meth) acrylate syrup of the present invention satisfies the above range, it can be expected to improve adhesion characteristics, wettability, and durability.
  • the optically transparent adhesive sheet of the present invention includes a photoinitiator in order to efficiently induce the reaction of the radical polymerizable group.
  • the photoinitiator is not particularly limited as long as the photoinitiator is a general initiator capable of generating radicals by irradiation with ultraviolet rays and thus may initiate photopolymerization, and photopolymerization initiators known in the art may be used. Specifically, a benzoin type initiator, a hydroxy ketone type initiator, an amino ketone type initiator, and / or a phosphine oxide type initiator etc. are mentioned, More specifically, 2, 2- dimethoxy- 1, 2- diphenyl ethane- 1 is mentioned.
  • the photoinitiator may include two or more selected from the group consisting of a polyfunctional benzoyl compound initiator, a benzophenone initiator, a benzoin initiator, a hydroxyketone initiator, an amino ketone initiator, and / or a phosphine oxide initiator.
  • a polyfunctional benzoyl compound initiator 100% benzoyl formic acid and Coronate-HXR in a 1: 1 equivalent ratio
  • the polyfunctional benzoyl compound may be formed through a urethane bond reaction.
  • benzophenone acryl (VISIOMER6973, ebonic), 2,2-dimethoxy-1,2-diphenylethan-1-one (2,2-Dimethoxy-1,2-diphenylethan-1 -one) Diphenyl (2,4,6-trimethylmenzoyl) phosphine oxide (Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide), hydroxy cyclohexyl phenyl ketone, hydroxy methyl phenyl It may include two or more selected from the group consisting of hydroxy methyl phenyl ketone, benzoylformic acid, 1,4-dibenzoylbenzene, and / or benzyl, and the like. have.
  • the photoinitiator may be included in an amount of 0.2 to 4 parts by weight, more preferably 0.5 to 2 parts by weight, based on 100 parts by weight of the total amount of the acrylate monomer and the monofunctional (meth) acrylate monomer including the hydroxy group.
  • the photoinitiator may be included in 0.2 to 4 parts by weight, more preferably 0.5 to 2 parts by weight based on 100 parts by weight of (meth) acrylate syrup.
  • the photoinitiator is included in the above range, even though the photoinitiator is added, the problem is insignificant, and the physical properties such as durability, reliability, and transparency may be improved.
  • Method for producing an optically transparent adhesive sheet of the present invention can be carried out by a method commonly used in this field except as described above.
  • the molecular weight modifier, isocyanate crosslinking agent, catalyst and the like used in this field may be used without limitation.
  • the method of applying the optically transparent adhesive sheet of the present invention is not particularly limited, and after applying the optically transparent adhesive sheet, it is cured through light irradiation.
  • the ultraviolet irradiation may be performed using a means such as a high pressure mercury lamp, an electrodeless lamp or a xenon lamp.
  • an appropriate aging process may be conducted to induce reaction of the functional group of the crosslinking agent in the composition with the thermosetting functional group of the polymer, and the conditions in the process are not particularly limited as long as an appropriate crosslinking reaction can occur. .
  • an optical film such as a polarizing film, a retardation film, an anti-glare film, a wide viewing angle compensation film, or a brightness enhancement film is laminated on each other, or the optical film or the laminate thereof is displayed on a display panel or the like. It can be used to attach to the same adherend.
  • optically transparent adhesive sheet of the present invention can be preferably used in a flexible display device.
  • the manufacturing method of the optically transparent adhesive sheet can be used without limitation methods known in the art.
  • a flat panel display device comprising an optically transparent adhesive inorganic material film formed from the optically transparent adhesive inorganic material composition of the present invention.
  • the flat panel display is more preferably a flexible display device.
  • Test Example 1 Evaluation of weight average molecular weight and molecular weight distribution of (meth) acrylate syrup
  • the weight average molecular weight and molecular weight distribution of (meth) acrylate syrup were measured on condition of the following using GPC. The measurement result was converted into the calibration curve using standard polystyrene of Agilent system.
  • the (meth) acrylate syrup and the photoinitiator content of the preparation example were mixed in the composition of Table 2 below to prepare a pressure-sensitive adhesive composition.
  • the pressure-sensitive adhesive composition prepared above was applied on a release film coated with a silicone release agent to have a thickness of 150 ⁇ m, the release film was bonded thereto, and a pressure-sensitive adhesive sheet was prepared. After the first UV irradiation, the sheet was completed.
  • PET adhesion strength is measured in the same manner in addition to using a glass attached to PET using a double-sided tape on the alkali glass as an adhesive. The results are shown in Table 3 below.
  • Thickness 500 ⁇ m (5 sheets of 100 ⁇ m overlap)
  • Temperature 70 °C (temperature rise 70 °C after stabilization, stabilization 5min), measuring thickness 500 ⁇ m
  • Ratio G 'at 300 seconds / G' at 0.1 seconds
  • PET100 polyethylene terephthalate film
  • PET100 base material bonded to one side was produced.
  • the test piece was made into what cut
  • PET50 50-micrometer-thick polyethylene terephthalate film
  • a mold having a thickness of 50 ⁇ m made of cut PET50 was placed on the remaining PET 100 on the peeled PET100 and bonded to another PET100 (PET100 / adhesive / PET50 / PET100 configuration). This was autoclaved for 20 minutes in a 50 degreeC atmosphere by the pressure of 0.5 Mpa, and 3J was irradiated with the metal halide lamp, and the sample was produced. Then, it left to stand for 24 hours in the atmosphere of temperature 80 degreeC, visually observed the inner part of the 50 micrometer-thick frame, and evaluated the filling property with respect to the 50 micrometer-thick step as follows. The evaluation results are shown in Table 3 below.
  • the stress relaxation ratio after the first ultraviolet crosslinking at 70 ° C. of the present invention is 0.02 to 0.10, and the stress relaxation ratio after the second ultraviolet crosslinking at the same temperature as the temperature of the first ultraviolet crosslinking is 0.3 to 0.6.
  • the optically transparent adhesive sheet of Examples 1 to 5 showed very excellent durability, having excellent durability means that it has excellent adhesion, the adhesion is improved, it was confirmed that the effect of the end buried and step resilience also excellent. .
  • optically transparent adhesive sheets of Examples 1 to 5 showed very excellent durability, adhesion was improved, it was confirmed that the step filling effect is also excellent.
  • the stress relaxation ratio after the first ultraviolet crosslinking is 0.02 to 0.10
  • the stress relaxation ratio after the second ultraviolet crosslinking at the same temperature as the temperature of the first ultraviolet crosslinking is 0.3 or more.
  • Comparative Examples 1 to 4 that can not do the poor durability
  • Comparative Examples 1 and 2 was also poor filling step.
  • the stress relaxation ratio after primary UV crosslinking at 70 ° C. is 0.02 to 0.10, thereby providing excellent end embedding and step breakability, and the stress relaxation ratio after secondary UV crosslinking at 70 ° C. is 0.3. Designed to 0.6 to minimize the lifting phenomenon from the surface of the adherend, it is possible to provide an energy-curable inorganic adhesive film excellent in step fillability and durability.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)

Abstract

La présente invention concerne un film adhésif optiquement transparent comprenant un sirop de (méth)acrylate, qui est un sirop de résine préparé par polymérisation partielle de monomères (méth)acrylate, et un photo-initiateur, la feuille présentant un taux de relaxation des contraintes de 0,02 à 0,10 après la réalisation d'une réticulation par ultraviolets primaire à 70 °C, et présente un taux de relaxation des contraintes compris entre 0,3 et 0,6 après réalisation d'une réticulation aux ultraviolets secondaire à la même température que la température de la réticulation aux ultraviolets primaire ; un appareil d'affichage à écran plat le comprenant ; et une composition pour sa préparation.
PCT/KR2018/005928 2017-05-24 2018-05-24 Feuille adhésive optiquement transparente Ceased WO2018217046A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019564831A JP7278967B2 (ja) 2017-05-24 2018-05-24 光学透明粘着シート

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0064289 2017-05-24
KR1020170064289A KR101937566B1 (ko) 2017-05-24 2017-05-24 광학투명점착시트, 이를 제조하기 위한 조성물 및 이를 이용한 표시장치

Publications (1)

Publication Number Publication Date
WO2018217046A1 true WO2018217046A1 (fr) 2018-11-29

Family

ID=64395788

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/005928 Ceased WO2018217046A1 (fr) 2017-05-24 2018-05-24 Feuille adhésive optiquement transparente

Country Status (3)

Country Link
JP (1) JP7278967B2 (fr)
KR (1) KR101937566B1 (fr)
WO (1) WO2018217046A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114231217A (zh) * 2021-12-29 2022-03-25 苏州凡赛特材料科技有限公司 一种光学透明胶黏剂组合物及光学透明胶膜
CN115011289A (zh) * 2022-06-27 2022-09-06 安徽富印新材料股份有限公司 一种大尺寸匹配纳米银oca的制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110021276A (ko) * 2009-08-25 2011-03-04 (주)엘지하우시스 아크릴 필름의 제조 방법 및 아크릴 필름
JP2011184582A (ja) * 2010-03-09 2011-09-22 Three M Innovative Properties Co 光学用粘着シート
JP2012184423A (ja) * 2010-09-06 2012-09-27 Mitsubishi Plastics Inc 画像表示装置構成用積層体の製造方法、及びこの積層体を用いてなる画像表示装置
JP2014152294A (ja) * 2013-02-12 2014-08-25 Mitsubishi Plastics Inc 画像表示装置構成用積層体の製造方法、及びこの積層体を用いてなる画像表示装置
KR20160011785A (ko) * 2014-07-22 2016-02-02 (주)엘지하우시스 광경화성 점착제 조성물 및 점착 필름
KR20160074476A (ko) * 2013-10-18 2016-06-28 닛토덴코 가부시키가이샤 점착 시트

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4802461B2 (ja) * 2004-07-22 2011-10-26 株式会社スリーボンド 光重合開始剤及びそれを用いた光硬化性材料
KR101474207B1 (ko) * 2006-06-20 2014-12-17 쓰리엠 이노베이티브 프로퍼티즈 컴파니 접착제 조성물, 접착용품 및 그의 제조 방법
JP2010189545A (ja) * 2009-02-18 2010-09-02 Nitto Denko Corp 両面粘着シートおよび粘着型光学部材
WO2012024217A1 (fr) * 2010-08-18 2012-02-23 3M Innovative Properties Company Ensembles optiques comprenant des adhésifs optiques de détente et procédés de préparation de ceux-ci
JP2013122035A (ja) * 2011-11-10 2013-06-20 Nitto Denko Corp 粘着シート
JP6538332B2 (ja) * 2014-11-17 2019-07-03 日東電工株式会社 光学用両面粘着シート
US11492516B2 (en) * 2014-12-23 2022-11-08 Samsung Sdi Co., Ltd. Adhesive film and display member including the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110021276A (ko) * 2009-08-25 2011-03-04 (주)엘지하우시스 아크릴 필름의 제조 방법 및 아크릴 필름
JP2011184582A (ja) * 2010-03-09 2011-09-22 Three M Innovative Properties Co 光学用粘着シート
JP2012184423A (ja) * 2010-09-06 2012-09-27 Mitsubishi Plastics Inc 画像表示装置構成用積層体の製造方法、及びこの積層体を用いてなる画像表示装置
JP2014152294A (ja) * 2013-02-12 2014-08-25 Mitsubishi Plastics Inc 画像表示装置構成用積層体の製造方法、及びこの積層体を用いてなる画像表示装置
KR20160074476A (ko) * 2013-10-18 2016-06-28 닛토덴코 가부시키가이샤 점착 시트
KR20160011785A (ko) * 2014-07-22 2016-02-02 (주)엘지하우시스 광경화성 점착제 조성물 및 점착 필름

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114231217A (zh) * 2021-12-29 2022-03-25 苏州凡赛特材料科技有限公司 一种光学透明胶黏剂组合物及光学透明胶膜
CN114231217B (zh) * 2021-12-29 2023-03-10 苏州凡赛特材料科技有限公司 一种光学透明胶黏剂组合物及光学透明胶膜
CN115011289A (zh) * 2022-06-27 2022-09-06 安徽富印新材料股份有限公司 一种大尺寸匹配纳米银oca的制备方法
CN115011289B (zh) * 2022-06-27 2023-10-20 安徽富印新材料股份有限公司 一种大尺寸匹配纳米银oca的制备方法

Also Published As

Publication number Publication date
JP7278967B2 (ja) 2023-05-22
KR20180128765A (ko) 2018-12-04
JP2020521032A (ja) 2020-07-16
KR101937566B1 (ko) 2019-01-10

Similar Documents

Publication Publication Date Title
TWI673336B (zh) 光學清透黏著劑及光學層壓體
WO2012070796A2 (fr) Composition adhésive pour panneau tactile, film adhésif et panneau tactile
WO2012070807A2 (fr) Composition adhésive pour écran tactile, film adhésif, et écran tactile
WO2014204251A1 (fr) Composition collante-adhésive
WO2009088205A2 (fr) Compositions adhésives sensibles à la pression, et polariseurs et affichages à cristaux liquides comprenant lesdites compositions
WO2014027788A1 (fr) Composition adhésive pour écran tactile, film adhésif et écran tactile
WO2009131321A2 (fr) Compositions adhésives autocollantes, polariseurs et écrans à cristaux liquides comportant de telles compositions
WO2012070887A2 (fr) Composition d'adhésif pour écran tactile, film adhésif et écran tactile
WO2018199686A1 (fr) Feuille adhésive transparente optique, composition pour sa préparation, et dispositif d'affichage plat l'utilisant
WO2009088191A2 (fr) Composition adhésive, et plaque polarisante adhésive et dispositif d'affichage à cristaux liquides la comprenant
WO2021096208A1 (fr) Film de protection à adhérence variable pour écran pliable et dispositif d'affichage pliable le comprenant
WO2018216966A1 (fr) Ruban adhésif multicouche
WO2017179899A2 (fr) Composition adhésive optique
WO2018217046A1 (fr) Feuille adhésive optiquement transparente
WO2018048272A2 (fr) Composition adhésive transparente optique, film adhésif transparent optique et écran plat la comprenant
WO2016043521A1 (fr) Composition d'adhésif, film adhésif optique et panneau d'écran tactile
JP7778830B2 (ja) 光学用粘着剤組成物、粘着フィルム、粘着シート、及び粘着剤層付き光学フィルム
WO2018230889A1 (fr) Composition adhésive et feuille adhésive l'utilisant
WO2018062775A1 (fr) Composition adhésive et feuille adhésive utilisant celle-ci
WO2020130510A1 (fr) Composition adhésive et film adhésif
WO2018216968A1 (fr) Ruban adhésif multicouche
WO2020080743A1 (fr) Film adhésif multicouche
KR20090003831A (ko) 편광판용 점착제 조성물, 이를 이용한 편광판 및액정표시장치
WO2025225952A1 (fr) Composition adhésive et film adhésif la comprenant
WO2025183300A1 (fr) Composition adhésive et film adhésif la comprenant

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18805480

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2019564831

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18805480

Country of ref document: EP

Kind code of ref document: A1