WO2020153757A1 - 표면 보호 필름 및 이를 이용한 유기 발광 전자 장치 제조 방법 - Google Patents
표면 보호 필름 및 이를 이용한 유기 발광 전자 장치 제조 방법 Download PDFInfo
- Publication number
- WO2020153757A1 WO2020153757A1 PCT/KR2020/001110 KR2020001110W WO2020153757A1 WO 2020153757 A1 WO2020153757 A1 WO 2020153757A1 KR 2020001110 W KR2020001110 W KR 2020001110W WO 2020153757 A1 WO2020153757 A1 WO 2020153757A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- surface protection
- protection film
- film
- peeling
- 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
Links
Images
Classifications
-
- 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
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- 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
-
- 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
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
-
- 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
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- 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
-
- 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
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- 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
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/1201—Manufacture or treatment
-
- 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
- H10K59/40—OLEDs integrated with touch screens
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- 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
- B32B2250/04—4 layers
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
-
- 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
-
- 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
- C09J2433/006—Presence of (meth)acrylic polymer in the substrate
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- 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
- C09J2475/00—Presence of polyurethane
Definitions
- This application is a surface protective film; And a method for manufacturing an organic light emitting electronic device using the same.
- the plastic substrate used as the substrate material of the flexible display has a problem that gas barrier properties such as moisture and oxygen are remarkably low. Accordingly, in the related art, the barrier film to which various materials and structures are applied is formed on the substrate to improve the problem of the plastic substrate.
- the surface protective film for the process is a film that temporarily protects the thin film encapsulation layer and is removed after being attached to the thin film encapsulation layer during the process.
- Patent Document 1 Publication No. 10-2010-0003717
- the present invention is to provide a surface protective film that can be continuously attached to the organic light emitting device in a drum roll lamination method.
- the surface protection film according to an exemplary embodiment of the present invention prevents contamination of the drum pad used for the drum roll, thereby improving the life of the drum pad.
- One embodiment of the present specification includes a base layer sequentially comprising a first antistatic layer, a base film, and a second antistatic layer; And a pressure-sensitive adhesive layer provided on the opposite side of the surface of the second antistatic layer on which the base film is provided, and provides a surface protection film that satisfies Equation 1 below.
- the opposite side of the surface of the pressure-sensitive adhesive layer provided with the base layer is referred to as a first surface
- the opposite surface of the surface of the pressure-sensitive adhesive layer of the substrate layer is referred to as a second surface
- the adhesive force A is when the first surface of the surface protection film is attached to the glass using a roller of 2 kg, and the surface protection film is peeled from the glass at a peeling speed of 2 m/min and a peeling angle of 180° at 25°C. Is the peel force of
- the adhesive force B attaches the second side of the surface protection film to the drum pad using a 2 kg roller, and peels the surface protection film from the drum pad at a peeling speed of 2 m/min and a peeling angle of 180° at 25°C. It is the peeling force at the time.
- An exemplary embodiment of the present specification also provides a method of manufacturing an organic light emitting electronic device including the step of attaching the pressure-sensitive adhesive layer of the above-described surface protection film on the encapsulation layer of the organic light emitting device.
- the surface protection film according to an exemplary embodiment of the present invention can be attached to the encapsulation layer of the organic light emitting device by the drum roll lamination method, thereby significantly improving the productivity of the product.
- the surface protection film according to an exemplary embodiment of the present invention When the surface protection film according to an exemplary embodiment of the present invention is used, there is little contamination of the drum pad to which the surface protection film is attached during the roll lamination process, and even if the process of attaching the surface protection film to the encapsulation layer is repeated, the The adhesive force with the surface protection film is maintained, and the life of the pad can be increased.
- 1 to 3 show the structure of the surface protection film according to an exemplary embodiment of the present invention.
- FIG 4 illustrates a form in which the surface protection film according to an exemplary embodiment of the present invention is attached to an organic light emitting device.
- the polymer includes a monomer means that the monomer participates in a polymerization reaction and is included as a repeating unit in the polymer.
- the copolymer is a random copolymer (Random Copolymer) having a form in which monomers are mixed with each other without a rule, a block copolymer (Block Copolymer) in which blocks arranged in a certain section are repeated, or monomers are alternately repeated and polymerized. It includes all of the alternating Copolymers.
- a part in the present specification, when a part “includes” a certain component, it means that the component may further include other components, not to exclude other components, unless otherwise stated. Furthermore, when a part includes a certain component, it means that at least one of the components is included.
- 'glass' may mean an alkali free glass (NEG, OA-21).
- One embodiment of the present specification includes a base layer sequentially comprising a first antistatic layer, a base film, and a second antistatic layer; And a pressure-sensitive adhesive layer provided on the opposite side of the surface of the second antistatic layer on which the base film is provided, and provides a surface protection film that satisfies Equation (1).
- the surface protection film satisfies the relationship of Equation 1, the surface protection film attached to the drum pad can be easily laminated to the glass.
- the surface protection film according to an exemplary embodiment of the present invention includes a base layer 100 in which a first antistatic layer 101, a base film 102, and a second antistatic layer 103 are sequentially provided; And an adhesive layer 200.
- the surface protection film of the present invention can be attached to the surface of the organic light emitting device in a drum roll lamination method, wherein the surface protection film is supplied to the surface of the adherend by a rotating roll with a drum pad attached. Can be.
- Equation 1 may be established for any one drum pad, and when the surface protection film according to an exemplary embodiment of the present specification is used with a drum pad satisfying Equation 1, the drum It is easy to transfer the surface protection film by the roll lamination method.
- the drum pad may be DCTK's IMP 1P4-40SBL-S.
- the surface properties of the organic light-emitting device to which the surface protection film is attached are similar to those of a glass plate. When the surface protection film satisfies the relationship of Equation 1, the surface protection film attached to the drum pad is easily attached to the surface of the organic light-emitting device Can be lazy.
- the adhesive force A of Equation 1 is an adhesive force between the adhesive layer and an adherend
- the adhesive force B may mean an adhesive force between the base layer and the drum pad.
- the (Adhesive Force A)-(Adhesive Force B) is greater than 0.8gf/in, in which case the transfer of the surface protection film from the drum pad to the adherend is more easily performed by the drum roll lamination method.
- the upper limit of (adhesive force A)-(adhesive force B) is not limited, but may be 10 gf/in or less in one embodiment.
- the second surface means a surface of the substrate layer parallel to a surface facing the pressure-sensitive adhesive layer among various surfaces of the substrate layer and facing in the opposite direction.
- the second surface means an opposite surface of the surface on which the base film of the first antistatic layer is provided.
- the adhesive force A and the adhesive force B may have any adhesive force as long as the relationship of Equation 1 is satisfied.
- the adhesive strengths A and B are not limited, but in one embodiment, the adhesive strength A is 3gf/in to 10gf/in, and the adhesive strength B is 2gf/in to 9.5gf/in.
- the contact angle is the contact angle of the liquid at the solid surface when the liquid is thermodynamically balanced on the solid surface.
- the contact angle is a measure of the wettability of a solid surface.
- a low contact angle indicates high wettability (hydrophilicity) and high surface energy
- a high contact angle indicates low wettability (hydrophobicity) and low surface energy.
- the water contact angle of the second surface is 80° or more. The higher the water contact angle of the second surface of the surface protection film, the less the adhesion of impurities such as dust to the second surface, the lower the degree of contamination of the drum pad in the process of attaching and detaching the second surface to the drum pad, the drum The life of the pad increases.
- the water contact angle of the second surface is 88° or more.
- the life of the drum pad may be further increased.
- the material of the base layer may be changed.
- the water contact angle of the second surface is 180° or less.
- the water contact angle is a contact angle at a time of 10 seconds after dropping 4 ml of ultrapure water (DI water) to a sample to be measured.
- DI water ultrapure water
- the water contact angle is measured using a contact angle analyzer.
- the adhesion retention rate of the second surface is 90% or more.
- the adhesion retention rate of the second surface is 97% or more.
- the adhesion retention rate (%) is (Adhesive force C) / (Adhesive force B) ⁇ 100,
- the adhesive force B is a peeling force when peeling the second surface of the surface protection film from the drum pad at a peeling speed of 2 m/min and a peeling angle of 180°,
- the adhesive force C prepares the 50 and 1 drum pads of the surface protection film, attaches the second surface of each of the 50 surface protection films to the same portion of one drum pad, and the peeling speed of 2 m/min.
- the process of peeling at a peeling angle of 180° is sequentially repeated 50 times, it is the peeling force when peeling the 50th surface protection film from the drum pad.
- the process of attaching and peeling the 50 surface protection films on one drum pad is repeated, and the position of the drum pads to which the 50 surface protection films are attached is the same. It means that the adhesion and peeling are repeated 50 times by attaching and peeling one surface protection film and then attaching and peeling another surface protection film.
- the adhesion retention rate of the second surface is 100% or less.
- the meaning of the adhesive retention rate of the second surface is 100% means that even if the process of attaching and removing the 50 surface protection films to the same drum pad sequentially 50 times, the surface protection film of the drum pad It means that the adhesive force with the second side of the same as the first.
- the surface protection film may include a base layer sequentially comprising a first antistatic layer, a base film, and a second antistatic layer; And an adhesive layer provided on the second antistatic layer, and satisfies Equation (1).
- the pressure-sensitive adhesive layer is provided directly on the second antistatic layer.
- the X layer is directly provided on the Y layer' means that the X layer is in contact with the Y layer.
- the surface protective film is a third antistatic layer, a protective film; And a protective layer sequentially comprising a fourth antistatic layer, wherein the pressure-sensitive adhesive layer is provided between the protective layer and the base layer.
- the surface protection film includes a first antistatic layer 101, a base film 102, a second antistatic layer 103, an adhesive layer 200, and a third antistatic layer 301, a protective film 302 and a fourth antistatic layer 303 are sequentially included.
- the third antistatic layer is in contact with the pressure-sensitive adhesive layer.
- any appropriate pressure-sensitive adhesive layer can be adopted as long as it can implement the pressure-sensitive adhesive that satisfies the relationship of Equation 1 above.
- the pressure-sensitive adhesive layer is an acrylic pressure-sensitive adhesive; Urethane-based adhesives; Polyester adhesives; Vinyl alkyl ether-based adhesives; Polyamide-based adhesives; Styrene-diene block copolymer-based adhesives; Rubber adhesives; And at least one adhesive selected from silicone adhesives, but is not limited thereto.
- the pressure-sensitive adhesive layer may further include any other components within a range that does not impair the effects of the present invention.
- the other components include tackifiers, inorganic fillers, organic fillers, metal powders, pigments, thin materials, softeners, plasticizers, anti-aging agents, conductive agents, antistatic agents, antioxidants, ultraviolet absorbers, light stabilizers, surface lubricants, leveling agents, And corrosion inhibitors, heat stabilizers, polymerization inhibitors, lubricants, and solvents.
- the acrylic pressure-sensitive adhesive may be an acrylic polymer containing one or two or more types of alkyl (meth)acrylate as a monomer component.
- the acrylic polymer may be a homopolymer or a copolymer.
- the alkyl group may be a linear or branched alkyl group having 1 to 20 carbon atoms.
- the alkyl (meth)acrylate is, for example, methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, isopropyl (meth)acrylate, n-butyl (meth)acrylic Rate, t-butyl (meth)acrylate, sec-butyl (meth)acrylate, pentyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, 2-ethylbutyl (meth)acrylate, n-octyl (Meth)acrylate, isooctyl (meth)acrylate, isononyl (meth)acrylate, lauryl (meth)acrylate, tetradecyl (meth)acrylate, and the like, but are not limited there
- the acrylic polymer may include other monomer units polymerizable with the alkyl (meth)acrylate.
- the other monomer units include carboxyl group-containing monomers such as acrylic acid, methacrylic acid, carboxyethyl acrylate, carboxypentyl acrylate, itaconic acid, maleic acid, fumaric acid, and crotonic acid; Acid anhydride monomers such as maleic anhydride and itaconic anhydride; Hydroxyethyl (meth)acrylate, hydroxypropyl (meth)acrylate, hydroxybutyl (meth)acrylate, hydroxyhexyl (meth)acrylate, hydroxyoctyl (meth)acrylate, hydroxydecyl (meth) )Hydroxy group-containing monomers such as acrylate, hydroxylauryl (meth)acrylate, and (4-hydroxymethylcyclohexyl)methyl (meth)acrylate; Contains sulfonic acid groups such as s
- Succinimide-based monomer Vinyl acetate, vinyl propionate, N-vinylpyrrolidone, methylvinylpyrrolidone, vinylpyridine, vinylpiperidone, vinylpyrimidine, vinylpiperazine, vinylpyrazine, vinylpyrrole, vinylimidazole, vinyloxazole, vinyl Vinyl monomers such as morpholine, N-vinylcarboxylic acid amides, styrene, ⁇ -methylstyrene, chlorostyrene, chloromethylstyrene, and N-vinyl caprolactam; Cyano group-containing monomers such as acrylonitrile and methacrylonitrile; Epoxy resin-containing monomers such as (meth)acrylic acid glycidyl; Glycol-based (meth)acrylate monomers such as polyethylene glycol (meth)acrylate, polypropylene glycol (meth)acrylate, methoxyethylene glycol (meth)acrylate, and methoxypol
- the urethane-based adhesive layer may be an adhesive layer comprising a polyurethane-based resin.
- the polyurethane resin means a resin obtained by curing a composition containing a polyol and a polyfunctional isocyanate compound.
- the urethane-based resin may be included in 50% to 100% by weight relative to 100% by weight of the urethane-based adhesive layer.
- the polyol may be one kind or two or more kinds, and any suitable polyol having two or more hydroxy groups may be selected.
- the polyol may be a polyester-based polyol, a polyether-based polyol, a polycarbonate-based polyol, or a polycaprolactone-based polyol, but is not limited thereto.
- the polyester-based polyol is a polyol containing an ester bond formed by reaction of a polyol and a carboxylic acid, and includes polyether ester polyol, polycarbonate polyester polyol, and the like.
- the polyol may be ethylene glycol, 1,3-propylene glycol, diethylene glycol, 1,4-butylene glycol, pentaerythritol, triethanolamine, hexanetriol, polypropylene glycol, 1,2-hexanediol, etc. However, it is not limited thereto.
- the carboxylic acid is succinic acid, maleic acid, adipic acid, pimelinic acid, azelaic acid, sebacic acid, 1,9-nonamethylenedicarboxylic acid, 1,12-dodecamethylenedicarboxylic acid, phthalic acid, isophthalic acid, terephthalic acid, 1, 4-naphthalenedicarboxylic acid, 4,4'-biphenyldicarboxylic acid, or anhydrides thereof, but is not limited thereto.
- the polyether-based polyol is a polyol formed by using polyol, bisphenols, dihydroxy benzene, and the like as an initiator, and addition polymerization of alkylene oxides such as ethylene oxide, propylene oxide, and butylene oxide.
- the polyether-based polyol may be polyethylene glycol, polypropylene glycol, polytetramethylene glycol, and the like, but is not limited thereto.
- the polycaprolactone-based polyol is a polyol formed by ring-opening polymerization of lactones such as ⁇ -caprolactone, ⁇ -valerolactone, and ⁇ -methyl- ⁇ -valerolactone.
- the polycaprolactone polyol may be dimethyl carbonate, diethyl carbonate, ethylene carbonate, and the like, but is not limited thereto.
- the polycarbonate-based polyol is a polyol formed by ring-opening polymerization of lactones on a polycarbonate polyol, or copolymerizing a polycarbonate-based polyol with a polyester-based polyol or a polyether-based polyol.
- the polyfunctional isocyanate compound may be one or two or more, and any polyfunctional isocyanate may be selected as long as it can cause a urethanization reaction with a polyol.
- the isocyanate compound (a2) is 2,4- or 4,4'-methylene diphenyl diisocyanate (MDI), xylylene diisocyanate (XDI), m- or p-tetramethylxylylene diisocyanate (TMXDI), toluylene diisocyanate (TDI), di- or tetra-alkyldiphenylmethane diisocyanate, 3,3'-dimethyldiphenyl-4,4'-diisocyanate (TODI ), 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate, naphthalene diisocyanate (NDI), 4,4'-dibenzyldiisocyan
- the equivalent ratio of isocyanate group and hydroxy group between the polyol and the polyfunctional isocyanate compound; And the content ratio of the polyol and the polyfunctional isocyanate compound may be arbitrarily appropriately selected in consideration of the properties of the pressure-sensitive adhesive layer.
- the rubber-based adhesive natural rubber or various synthetic rubbers can be used.
- the synthetic rubber is, for example, polyisoprene rubber, styrene-butadiene (SB) rubber, styrene/isoprene (SI) rubber, styrene/isoprene/styrene block copolymer (SIS) rubber, styrene/butadiene/styrene block copolymer ( SBS) rubber, styrene/ethylene/butylene/styrene block copolymer (SEBS) rubber, styrene/ethylene/propylene/styrene block copolymer (SEPS) rubber, styrene/ethylene/propylene block copolymer (SEP) rubber, recycled rubber , Butyl rubber, polyisobutylene, or a rubber-based pressure-sensitive adhesive using a modified material of these as a base polymer, but is not limited thereto.
- any suitable silicone-based adhesive may be used as the silicone-based adhesive.
- a silicone-based pressure sensitive adhesive one obtained by blending or agglomerating a silicone resin can be preferably used.
- the silicone adhesive an addition reaction curing silicone adhesive or a peroxide curing silicone adhesive can be used.
- the addition reaction-curable silicone-based pressure-sensitive adhesive may be formed by reacting an alkenyl group-containing organopolysiloxane and a hydrosilyl group-containing siloxane compound.
- the alkenyl group-containing organopolysiloxane specifically includes dimethylpolysiloxane blocked with dimethylvinylsiloxy groups at both ends of the molecular chain, dimethylsiloxane ⁇ methylvinylsiloxane copolymer blocked with dimethylvinylsiloxane groups at both ends of the molecular chain, and both ends of the molecular chain.
- the peroxide-curable silicone-based pressure-sensitive adhesive may be formed by curing a composition comprising a peroxide-curable silicone resin and a peroxide curing agent.
- the peroxide curable silicone resin may include peroxide curable silicone rubber and/or a partial condensate thereof.
- the peroxide curable silicone rubber is not particularly limited, and any organopolysiloxane having dimethylsiloxane as a main structural unit can be used without limitation. If necessary, a hydroxyl group or another functional group may be introduced into the organopolysiloxane.
- a specific example of the organopolysiloxane is dimethylpolysiloxane.
- the peroxide curable silicone resin may include two or more types of peroxide curable silicone rubber, and may include two or more types of partial condensates of the peroxide curable silicone rubber.
- the peroxide curing agent is, for example, benzoyl peroxide, t-butyl peroxybenzoate, dicumyl peroxide, t-butyl cumyl peroxide, di-t-butyl peroxide, 2,5-dimethyl-2,5-di (t-butylperoxy)hexane, 2,4-dichlorobenzoyl peroxide, 1,1-bis(t-butylperoxy)-3,3,5-trimethylcyclohexane, 2,5-dimethyl-2,5 -Di(t-butylperoxy)hexine-3, but is not limited thereto.
- the thickness of the pressure-sensitive adhesive layer can be appropriately selected in consideration of the purpose of the present application.
- the thickness of the pressure-sensitive adhesive layer is 10 ⁇ m or more; 30 ⁇ m or more; Or 45 ⁇ m or more.
- the thickness of the pressure-sensitive adhesive layer is 200 ⁇ m or less; 150 ⁇ m or less; 100 ⁇ m or less; Or 90 ⁇ m or less.
- the polymer that may be included in the pressure-sensitive adhesive layer is a conventional polymerization method, for example, solution polymerization, photopolymerization, bulk polymerization, suspension polymerization or emulsion polymerization. ) And the like.
- the method of forming the pressure-sensitive adhesive layer is not particularly limited, and for example, the pressure-sensitive adhesive composition is applied to a base film by a conventional means such as a bar coater, or the pressure-sensitive adhesive composition is once applied to the surface of a peelable base to form the pressure-sensitive adhesive layer. After that, a method of transferring the film back to the base film may be used. In one embodiment, the pressure-sensitive adhesive layer may be formed by further performing a drying and/or curing process.
- a roll coating method such as reverse coating and gravure coating, a spin coating method, a screen coating method, a fountain coating method, a dipping method, a spray method, etc. may be employed, but is not limited thereto.
- any known drying method can be used, and in one embodiment, a method such as an oven or a hot plate can be used.
- the method for curing the pressure-sensitive adhesive layer is not particularly limited, and for example, an appropriate heating, drying and/or aging process, or a curing method through an electromagnetic wave process may be employed.
- antistatic layer in the present specification means a layer intended to suppress the generation of static electricity.
- the first to fourth antistatic layers may be formed by a known method to achieve the desired effect.
- the first to fourth antistatic layers may be formed on both sides of the base film and both sides of the protective film by an inline coating method.
- the in-line coating method increases the adhesion between the coating layer and the film because the coating is performed during the manufacturing process of the film, and the process is shortened because the application of the coating layer is continuously performed together with the film production, and has the advantage of manufacturing the film as thin as possible. have.
- the first to fourth antistatic layers may be formed of an appropriate antistatic composition in consideration of the purpose of the present application.
- the first to fourth antistatic layers are one selected from the group consisting of acrylic resins, urethane resins, urethane-acrylic copolymers, ester resins, ether resins, amide resins, epoxy resins, and melamine resins, or Mixtures of these may be included, but are not limited thereto.
- the first to fourth antistatic layers may include a conductive material.
- the conductive material may include a conductive polymer or carbon nanotube, but is not limited thereto.
- the conductive polymer may be composed of, for example, polyaniline, polypyrrole, polythiophene series, derivatives and copolymers thereof, but is not limited thereto.
- the carbon nanotube may have a tube shape formed by rolling a graphite plate shape formed by connecting hexagonal rings made of 6 carbons to each other.
- the carbon nanotube is excellent in stiffness and electrical conductivity, and when used as an antistatic layer of a surface protective film, the hardness of the antistatic layer increases, and an antistatic function may be improved.
- the carbon nanotubes may be multi-walled carbon nanotubes or single-walled carbon nanotubes.
- the types of the base film and the protective film are not particularly limited.
- the base film may be, for example, polyethylene terephthalate; Polytetrafluoroethylene; Polyethylene; Polypropylene; Polybutene; Polybutadiene; Vinyl chloride copolymer; Polyurethane; Ethylene-vinyl acetate; Ethylene-propylene copolymers; Ethylene-acrylic acid ethyl copolymer; Ethylene-methyl acrylate copolymer; Polyimide; nylon; Styrene-based resins or elastomers; Polyolefin-based resins or elastomers; Other elastomers; Polyoxyalkylene resins or elastomers; Polyester resins or elastomers; Polyvinyl chloride resins or elastomers; Polycarbonate-based resins or elastomers; Polyphenylene sulfide resins or elastomers; Mixtures of hydrocarbons;
- the thickness of the base film and the protective film may be appropriately selected in consideration of the purpose of the present application.
- the thickness of the base film may be 25 ⁇ m or more and 150 ⁇ m or less, 50 ⁇ m or more and 125 ⁇ m or less, or 75 ⁇ m or more and 100 ⁇ m or less.
- the thickness of the protective film may be 25 ⁇ m or more and 150 ⁇ m or less, 25 ⁇ m or more and 125 ⁇ m or less, or 25 ⁇ m or more and 100 ⁇ m or less .
- the protective layer further includes a release layer provided on a surface opposite to the surface on which the protective film of the third antistatic layer is provided.
- the surface protection film includes a base layer sequentially provided with a first antistatic layer 101, a base film 102, and a second antistatic layer 103; Pressure-sensitive adhesive layer 200; And a release layer 304, a third anti-static layer 301, a protective film 302, and a fourth anti-static layer 303, which are sequentially provided with a protective layer 300.
- the release layer may be provided between the third antistatic layer 301 and the pressure-sensitive adhesive layer 200.
- the release layer may be appropriately selected according to the object of the present invention.
- the release layer may be formed of a suitable release agent, provided that the pressure-sensitive adhesive layer is within a range satisfying the relationship of Equation (1).
- a suitable release agent for example, a silicone-based release agent, a fluorine-based release agent, a long-chain alkyl-based release agent, and a fatty acid amide-based release material may be used, but are not limited thereto.
- a silicone-based release agent may be used as a material for the release layer.
- the release layer may be formed by coating and drying the release agent on a third antistatic layer, for example.
- the coating method include, for example, roll coating, gravure coating, micro gravure coating, kiss gravure coating, comma knife coating, roll coating, spray coating, Meyer Bar coating, slot die Coating, reverse coating, flexo and offset methods can be used.
- the thickness of the release layer may be appropriately selected in consideration of the purpose of the present application.
- the thickness of the release layer is 10 nm or more and 500 nm or less; 10 nm or more and 300 nm or less; Or it may be 10 nm or more and 200 nm or less.
- the release layer is less than or more than the thickness in the above-described range, defects in the film may occur during the process.
- the present invention also provides a method of manufacturing an organic light emitting electronic device comprising attaching an adhesive layer of a surface protection film on an encapsulation layer of an organic light emitting device.
- the drum roll laminating method means a method of laminating (laminating) the surface protective film on the surface of the adherend by continuously supplying the surface protective film with a rotatable drum roll.
- the drum roll lamination method is used, product production per hour is increased, and workability is improved by reducing manpower and cost during the process.
- the drum pad is attached to the drum roll (laminate drum) is installed on the line to which the adherend is transferred, and the surface protective film and the adherend are laminated while the surface protective film attached to the drum pad is transferred to the adherend.
- the adherend may be an organic light emitting device.
- the organic light emitting device sequentially comprises a back plate, a plastic substrate, an organic light emitting diode, a thin film transistor, and an encapsulation layer.
- the pressure-sensitive adhesive layer of the surface protection film may be attached to the sealing layer.
- the encapsulation layer may exhibit excellent moisture barrier properties and optical properties in organic light emitting electronic devices. Further, the encapsulation layer may be formed of a stable encapsulation layer regardless of the form of an organic light emitting electronic device such as top emission or bottom emission.
- the encapsulation layer may include a single layer or a multi-layered inorganic material layer.
- a method of forming the encapsulation layer a method of forming a conventional encapsulation layer known in the art may be applied.
- the single or multi-layered inorganic material layer may include, for example, an aluminum oxide system, a silicon-nitride compound system, a silicon oxide oxynitride system, or the like.
- the drum pad is silicone rubber, fluorine rubber, acrylic rubber, polyurethane rubber, polyamide rubber, natural rubber, polyisobutylene rubber, polyisoprene rubber (IR), isobutylene-isoprene rubber ( IIR), chloroprene rubber (CR), butyl rubber, nitrile butyl rubber, nitrile butadiene rubber (NBR), styrene-butadiene rubber (SBR), styrene-butadiene-styrene (SBS) rubber, styrene-isoprene-styrene (SIS) rubber , Selected from the group consisting of styrene-ethylene-butadiene rubber, styrene-ethylene-butadiene-styrene (SBBS) rubber, styrene-isoprene-propylene-styrene rubber, chlorosulfonated polyethylene rubber and ethylene-propylene
- the drum pad may be a urethane pad, an acrylic pad, or a rubber pad.
- the drum pad includes pores having a diameter of 200 ⁇ m or less.
- the diameters of the pores included in the drum pad may be the same or different from each other, and the pores are irregularly distributed in the drum pad.
- the urethane-based pad is an alcohol derivative; Lactic acid compounds or caprolactone compounds; And reacting an isocyanate compound.
- the acrylic pad is methyl acrylate; Ethyl acrylate; It can be prepared by reacting a monomer containing a hydroxy group or a crosslinkable group.
- pores may be formed by adding a foaming agent or injecting bubbles, but the method for forming the pores is not limited.
- the method of manufacturing the organic light emitting electronic device further includes removing the protective layer from the surface protective film.
- the method of attaching the surface protection film on the encapsulation layer of the organic light emitting device may be performed by a drum roll lamination method.
- the form in which the above-described surface protection film is attached to the optical film includes a back plate 511 as shown in FIG. 4; Plastic substrate 512; Thin film transistor 513; Organic light emitting diode 514; An encapsulation layer 515; Pressure-sensitive adhesive layer 200; And the base layer 100 may be sequentially stacked.
- the method of manufacturing the organic light emitting electronic device further includes removing the base film after attaching the surface protection film on the encapsulation layer.
- the method of manufacturing the organic light emitting electronic device includes removing the surface protection film from the encapsulation layer; And laminating a touch screen panel and a cover window on the encapsulation layer.
- MMA methyl methacrylate
- NBMA n-butyl methacrylate
- AIBN isobisic acid as a polymerization initiator in a methyl ethyl ketone
- MEK methyl ethyl ketone
- MEK methyl ethyl ketone
- MWCNT multi-walled carbon nanotubes
- the antistatic layer composition prepared above was coated on both sides of a polyethylene terephthalate (PET) film to a thickness of 100 nm, and then dried at 100° C. for 3 minutes to prepare a base layer.
- PET polyethylene terephthalate
- a coating solution containing 5 parts by weight of an isocyanate curing agent compared to 100 parts by weight of the urethane-based adhesive resin to the urethane-based adhesive resin (UA-4, Samhwa Paint) was coated on the second antistatic layer, dried and aged to prepare a urethane-based adhesive layer.
- a third antistatic layer and a fourth antistatic layer are formed on both sides of a 50 ⁇ m thick polyethylene terephthalate (PET) film (XD510P, TAK), and a protective layer (12ASW, coated with a release layer on the third antistatic layer) SKC).
- PET polyethylene terephthalate
- a surface protective film having a thickness of 150 ⁇ m was prepared by laminating the base layer and the protective layer so that the surface on which the release layer was formed was in contact with the pressure-sensitive adhesive layer.
- a surface protective film was prepared in the same manner as in Example 1, except that n-hexyl methacrylate was used instead of n-butyl methacrylate (NBMA) and 7 parts by weight of epoxy curing agent was used instead of 5 parts by weight.
- NBMA n-butyl methacrylate
- Single wall carbon nanotubes (SWCNT, Wonil Corporation) are used instead of multi-walled carbon nanotubes (MWCNT, Wonil Corporation), n-hexyl methacrylate is used instead of n-butylmethacrylate (NBMA), and epoxy curing agents are used.
- a surface protective film was prepared in the same manner as in Example 1, except that 7 parts by weight instead of 5 parts by weight was used.
- the prepared surface protection film was cut to a width of 25 mm and a length of 150 mm to prepare a specimen.
- the protective layer was removed from the surface protective film, and the first surface of the surface protective film was attached to the glass using a 2 kg roller. Then, using the equipment (Texture Analyzer, manufactured by Stable Micro Systems, UK), the peeling force when peeling the surface protective film from the glass at a peeling rate of 2 m/min and a peeling angle of 180° at 25° C. was evaluated. , It was taken as the adhesive force A.
- the prepared surface protection film was cut to a width of 25 mm and a length of 150 mm to prepare a specimen.
- the protective layer was removed from the surface protective film, and a second surface of the surface protective film was attached to a drum pad (DCTK, IMP 1P4-40SBL-S) using a 2 kg roller. Then, using the equipment (Texture Analyzer, manufactured by Stable Micro Systems, UK), the peeling force when peeling the surface protective film from the drum pad at a peeling rate of 2 m/min and a peeling angle of 180° at 25° C. It evaluated, and this was made into adhesive force B.
- a contact angle analyzer (dorp shape analyzer, KRUSS), 4 ml of ultrapure water (DI water) was dropped on the prepared surface protection film, and after dropping the ultrapure water, the water contact angle at the time of 10 seconds was measured.
- DI water ultrapure water
- the prepared surface protection film was cut to a width of 100 mm and a length of 250 mm to prepare a specimen.
- the protective layer was removed from the surface protective film, and a second surface of the surface protective film was attached to a drum pad (DCTK, IMP 1P4-40SBL-S) using a 2 kg roller. Thereafter, the pressure-sensitive adhesive layer of the surface protection film was attached to the glass, and the attachment pad was peeled from the glass at a peeling rate of 2 m/min and a peeling angle of 180°.
- the test was run 10 times using 10 surface protective films and 10 drum pads and 10 glasses.
- the surface protection film was peeled from the drum pad and adhered to the glass, and when visually confirmed, when the surface protection film adhered to the glass without lifting, it was denoted as'O'. If even one of the ten tests did not remove the surface protection film from the attachment pad, or if there was a lift between the surface protection film and the glass, it was denoted as'X'.
- the process of attaching and peeling the surface protection film on one drum pad (DCTK, IMP 1P4-40SBL-S) is repeated, and the surface protection film can be attached to the drum pad.
- the count was measured.
- the surface protection films used for attachment are different surface protection films manufactured by the above method.
- 50 surface protection films and one drum pad (DCTK, IMP 1P4-40SBL-S) are prepared.
- the process of attaching and peeling each of 50 different surface protection films to one drum pad was sequentially repeated 50 times.
- each surface protection film was attached to the second surface of the drum pad using a 2 kg roller, and the peeling speed of 2 m/min and 180° from the glass using equipment (Texture Analyzer, Stable Microsystem Co., Ltd.). It peeled at the peeling rate of.
- the peeling force at the time of peeling the 50th surface protection film from the drum pad was indicated by the adhesive force C.
- the adhesion retention rate was calculated as follows.
- Adhesion retention rate (%) Adhesion C / Adhesion B ⁇ 100
- Example 1 Example 2 Example 3 Example 4 Comparative Example 1 Comparative Example 2 Adhesion A(gf/in) 4.5 4.2 4.2 4.2 3.63 3.5 Adhesion B(gf/in) 3.68 3.35 3.37 3.25 3.63 3.2 Adhesion A-adhesion B(gf/in) 0.82 0.85 0.83 0.95 0 0.3 Affiliation O O O O X X Water contact angle (°) 83 87 89 90 72 71 Drum pad lamination times (times) 1000 1200 2200 2200 250 480 Adhesion C(gf/in) 3.42 3.18 3.3 3.19 2.2 1.86 Adhesion retention rate (%) 93 95 98 98 60 58
- the surface protective film of the present invention has a difference between adhesive strengths A and B of 0.5 gf/in or more, and is easily transferred from the drum pad to the organic light emitting device.
- the surface protection film of the present invention has a high water contact angle of the second surface, so that the drum pad is less contaminated, the number of drum pad laminations is high, and even if the adhesion and detachment of the surface protection film is repeated, the decrease in the adhesive strength of the drum pad is small. Can.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Surface Treatment Of Optical Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
| 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 1 | 비교예 2 | |
| 점착력 A(gf/in) | 4.5 | 4.2 | 4.2 | 4.2 | 3.63 | 3.5 |
| 점착력 B(gf/in) | 3.68 | 3.35 | 3.37 | 3.25 | 3.63 | 3.2 |
| 점착력 A-점착력 B(gf/in) | 0.82 | 0.85 | 0.83 | 0.95 | 0 | 0.3 |
| 합지 가부 | O | O | O | O | X | X |
| 수접촉각(°) | 83 | 87 | 89 | 90 | 72 | 71 |
| 드럼 패드 합지 횟수(회) | 1000 | 1200 | 2200 | 2200 | 250 | 480 |
| 점착력 C(gf/in) | 3.42 | 3.18 | 3.3 | 3.19 | 2.2 | 1.86 |
| 점착력 유지율(%) | 93 | 95 | 98 | 98 | 60 | 58 |
Claims (9)
- 제1 대전 방지층, 기재 필름 및 제2 대전 방지층을 순차적으로 포함하는 기재층; 및 상기 제2 대전 방지층의 상기 기재 필름이 구비된 면의 반대면에 구비된 점착제층을 포함하고,하기 수학식 1을 만족하는 것인 표면 보호 필름:<수학식 1>(점착력 A)-(점착력 B) > 0.5gf/in상기 표면 보호 필름에 있어서, 상기 점착제층의 상기 기재층이 구비된 면의 반대면을 제1 면이라 하고, 상기 기재층의 상기 점착제층이 구비된 면의 반대면을 제2 면이라 하면,점착력 A는 상기 표면 보호 필름의 제1 면을 2kg의 롤러를 사용하여 유리에 부착하고, 25℃에서 상기 표면 보호 필름을 상기 유리로부터 2m/min의 박리 속도 및 180°의 박리 각도로 박리할 때의 박리력이고,점착력 B는 상기 표면 보호 필름의 제2 면을 2kg의 롤러를 사용하여 드럼 패드에 부착하고, 25℃에서 상기 표면 보호 필름을 상기 드럼 패드로부터 2m/min의 박리 속도 및 180°의 박리 각도로 박리할 때의 박리력이다.
- 청구항 1에 있어서, 상기 제2 면의 수접촉각은 80°이상인 것인 표면 보호 필름.
- 청구항 1에 있어서, 상기 제2 면의 점착력 유지율은 90% 이상인 것인 표면 보호 필름:상기 제2 면의 점착력 유지율(%)은 (점착력 C) / (점착력 B) × 100이며,상기 점착력 B는 상기 표면 보호 필름의 제2 면을 드럼 패드로부터 2m/min의 박리 속도 및 180°의 박리 각도로 박리할 때의 박리력이며,상기 점착력 C는 상기 표면 보호 필름 50개 및 1개의 드럼 패드를 준비하고, 하나의 드럼 패드의 같은 부위에 상기 50개 각각의 표면 보호 필름의 제2 면을 부착하고, 2m/min의 박리 속도 및 180°의 박리 각도로 박리하는 과정을 순차적으로 50번 반복할 때, 50번째의 표면 보호 필름을 상기 드럼 패드로부터 박리할 때의 박리력이다.
- 청구항 1에 있어서, 제3 대전 방지층; 보호 필름; 및 제4 대전 방지층을 순차적으로 포함하는 보호층을 더 포함하고, 상기 점착제층은 상기 보호층과 상기 기재층 사이에 구비되는 것인 표면 보호 필름.
- 청구항 4에 있어서, 상기 보호층은 상기 제3 대전 방지층의 상기 보호 필름이 구비된 면의 반대면에 구비된 이형층을 더 포함하는 것인 표면 보호 필름.
- 청구항 1 내지 5 중 어느 한 항에 따른 표면 보호 필름의 점착제층을 유기 발광 소자의 봉지층 상에 부착하는 단계를 포함하는 유기 발광 전자 장치 제조 방법.
- 청구항 6에 있어서, 상기 표면 보호 필름을 유기 발광 소자의 봉지층 상에 부착하는 방법은 드럼 롤 합지 방식으로 이루어지는 것인 유기 발광 전자 장치 제조 방법.
- 청구항 6에 있어서, 상기 유기 발광 소자는 백 플레이트, 플라스틱 기판, 박막 트랜지스터, 유기 발광 다이오드 및 봉지층을 순차로 포함하는 것인 유기 발광 전자 장치 제조 방법.
- 청구항 6에 있어서, 상기 표면 보호 필름을 상기 봉지층으로부터 제거하는 단계; 및 상기 봉지층 상에 터치 스크린 패널 및 커버 윈도우를 적층하는 단계를 더 포함하는 것인 유기 발광 전자 장치 제조 방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202080006606.XA CN113166598A (zh) | 2019-01-25 | 2020-01-22 | 表面保护膜和使用其制造有机发光电子装置的方法 |
| JP2021528424A JP7490205B2 (ja) | 2019-01-25 | 2020-01-22 | 表面保護フィルムおよびそれを用いた有機発光電子装置の製造方法 |
| US17/295,792 US12538645B2 (en) | 2019-01-25 | 2020-01-22 | Surface protective film and method for manufacturing organic light-emitting electronic device by using same |
| JP2023010313A JP2023065355A (ja) | 2019-01-25 | 2023-01-26 | 表面保護フィルムおよびそれを用いた有機発光電子装置の製造方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2019-0010031 | 2019-01-25 | ||
| KR1020190010031A KR102526293B1 (ko) | 2019-01-25 | 2019-01-25 | 표면 보호 필름 및 이를 이용한 유기 발광 전자 장치 제조 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020153757A1 true WO2020153757A1 (ko) | 2020-07-30 |
Family
ID=71735533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2020/001110 Ceased WO2020153757A1 (ko) | 2019-01-25 | 2020-01-22 | 표면 보호 필름 및 이를 이용한 유기 발광 전자 장치 제조 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12538645B2 (ko) |
| JP (2) | JP7490205B2 (ko) |
| KR (1) | KR102526293B1 (ko) |
| CN (1) | CN113166598A (ko) |
| TW (1) | TWI753357B (ko) |
| WO (1) | WO2020153757A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022224083A1 (en) * | 2021-04-22 | 2022-10-27 | 3M Innovative Properties Company | Multilayer structure adhesive tape and preparation method therefor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025244115A1 (ja) * | 2024-05-23 | 2025-11-27 | 積水化学工業株式会社 | 粘着剤組成物、及び、粘着テープ |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013247164A (ja) * | 2012-05-23 | 2013-12-09 | Furukawa Electric Co Ltd:The | 半導体加工用表面保護粘着テープ |
| KR20160101507A (ko) * | 2015-02-17 | 2016-08-25 | (주)엔에스 | 필름 원단 및 이를 이용한 필름 부착 장치 |
| KR20170063656A (ko) * | 2014-09-30 | 2017-06-08 | 닛토덴코 가부시키가이샤 | 편보호 편광 필름, 점착제층이 부착된 편광 필름, 화상 표시 장치 및 그 연속 제조 방법 |
| JP2017102443A (ja) * | 2015-11-20 | 2017-06-08 | 日東電工株式会社 | 光学積層体および該光学積層体を用いた有機エレクトロルミネセンス表示装置 |
| KR20170135512A (ko) * | 2016-05-31 | 2017-12-08 | 주식회사 엘지화학 | 광학 필름 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3257391B2 (ja) * | 1996-03-18 | 2002-02-18 | 東洋インキ製造株式会社 | インクジェット記録液 |
| US7070051B2 (en) * | 2004-03-26 | 2006-07-04 | Atrion Medical Products, Inc. | Needle counter device including troughs of cohesive material |
| KR100807910B1 (ko) | 2006-06-14 | 2008-02-27 | 광 석 서 | 반도체 웨이퍼용 대전방지 다이싱 테이프 |
| CN102083932B (zh) | 2008-07-01 | 2014-08-20 | Lg化学株式会社 | 用于光学元件的丙烯酸组合物,用于光学元件的保护膜,偏光片和液晶显示器 |
| JP5406615B2 (ja) | 2009-07-15 | 2014-02-05 | 日東電工株式会社 | 透明フィルムおよび該フィルムを用いた表面保護フィルム |
| KR101174834B1 (ko) | 2012-04-05 | 2012-08-17 | 주식회사 다보씨앤엠 | 공정필름을 이용한 필름형 디스플레이 기판의 제조방법 및 이에 사용되는 필름형 디스플레이 기판 제조용 공정필름 |
| JP5977110B2 (ja) | 2012-07-27 | 2016-08-24 | 日東電工株式会社 | 粘着シート |
| KR20140017176A (ko) | 2012-07-31 | 2014-02-11 | 동우 화인켐 주식회사 | 편광판용 표면보호필름 |
| JP6203563B2 (ja) | 2013-07-31 | 2017-09-27 | 日東電工株式会社 | 粘着シート、及び、光学部材 |
| JP6241547B2 (ja) * | 2014-07-01 | 2017-12-06 | 三菱ケミカル株式会社 | 光学装置構成用部材のリサイクル方法および光学装置構成用積層体のリワーク性評価方法 |
| SG11201706378XA (en) * | 2014-09-30 | 2017-09-28 | Nitto Denko Corp | Method for producing polarizing film |
| JP6513371B2 (ja) | 2014-11-06 | 2019-05-15 | 日東電工株式会社 | 表面保護シート |
| JP2017039859A (ja) * | 2015-08-20 | 2017-02-23 | 日東電工株式会社 | セパレーター付表面保護フィルム |
| JP6368810B2 (ja) * | 2016-03-04 | 2018-08-01 | 日東電工株式会社 | 表面保護フィルム |
| JP2018172473A (ja) | 2017-03-31 | 2018-11-08 | リンテック株式会社 | ディスプレイ保護用粘着フィルム |
| JP6603258B2 (ja) * | 2017-03-31 | 2019-11-06 | リンテック株式会社 | 保護シート |
| JP7046504B2 (ja) | 2017-06-02 | 2022-04-04 | リンテック株式会社 | フレキシブルデバイス用キャリアシート |
| US11355733B2 (en) | 2017-10-23 | 2022-06-07 | Lg Chem, Ltd. | Optical film having antistatic layers, optical film manufacturing method, and organic light-emitting electronic device manufacturing method |
-
2019
- 2019-01-25 KR KR1020190010031A patent/KR102526293B1/ko active Active
-
2020
- 2020-01-22 TW TW109102532A patent/TWI753357B/zh active
- 2020-01-22 CN CN202080006606.XA patent/CN113166598A/zh active Pending
- 2020-01-22 US US17/295,792 patent/US12538645B2/en active Active
- 2020-01-22 WO PCT/KR2020/001110 patent/WO2020153757A1/ko not_active Ceased
- 2020-01-22 JP JP2021528424A patent/JP7490205B2/ja active Active
-
2023
- 2023-01-26 JP JP2023010313A patent/JP2023065355A/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013247164A (ja) * | 2012-05-23 | 2013-12-09 | Furukawa Electric Co Ltd:The | 半導体加工用表面保護粘着テープ |
| KR20170063656A (ko) * | 2014-09-30 | 2017-06-08 | 닛토덴코 가부시키가이샤 | 편보호 편광 필름, 점착제층이 부착된 편광 필름, 화상 표시 장치 및 그 연속 제조 방법 |
| KR20160101507A (ko) * | 2015-02-17 | 2016-08-25 | (주)엔에스 | 필름 원단 및 이를 이용한 필름 부착 장치 |
| JP2017102443A (ja) * | 2015-11-20 | 2017-06-08 | 日東電工株式会社 | 光学積層体および該光学積層体を用いた有機エレクトロルミネセンス表示装置 |
| KR20170135512A (ko) * | 2016-05-31 | 2017-12-08 | 주식회사 엘지화학 | 광학 필름 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022224083A1 (en) * | 2021-04-22 | 2022-10-27 | 3M Innovative Properties Company | Multilayer structure adhesive tape and preparation method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7490205B2 (ja) | 2024-05-27 |
| TWI753357B (zh) | 2022-01-21 |
| KR102526293B1 (ko) | 2023-04-26 |
| US20220013748A1 (en) | 2022-01-13 |
| JP2022507865A (ja) | 2022-01-18 |
| US12538645B2 (en) | 2026-01-27 |
| KR20200092729A (ko) | 2020-08-04 |
| JP2023065355A (ja) | 2023-05-12 |
| CN113166598A (zh) | 2021-07-23 |
| TW202039730A (zh) | 2020-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8409884B2 (en) | Process for producing organic electroluminescent panel | |
| TWI641485B (zh) | 表面保護膜及貼合有該表面保護膜之光學零件 | |
| CN104419338B (zh) | 表面保护膜及贴合有该表面保护膜的光学部件 | |
| TWI845858B (zh) | 黏著片材 | |
| CN104293222B (zh) | 抗静电表面保护膜的制造方法和抗静电表面保护膜 | |
| TWI582193B (zh) | 抗靜電表面保護膜用剝離膜 | |
| WO2009139584A2 (ko) | 점착제 조성물, 점착 시트 및 반도체 웨이퍼 이면연삭 방법 | |
| CN101186127A (zh) | 自卷层压片和自卷压敏粘合片 | |
| TWI752845B (zh) | 熱剝離型黏著帶 | |
| CN105452409A (zh) | 粘合片 | |
| WO2011126263A2 (ko) | 점착제 조성물, 점착시트 및 터치 패널 | |
| US20180312729A1 (en) | Release agent composition, release sheet, and adhesive body | |
| WO2020153754A1 (ko) | 표면 보호 필름 및 유기 발광 전자 장치 제조 방법 | |
| WO2020153757A1 (ko) | 표면 보호 필름 및 이를 이용한 유기 발광 전자 장치 제조 방법 | |
| CN110157343A (zh) | 遮蔽材料 | |
| TW201936397A (zh) | 表面保護膜及貼合有該表面保護膜的光學部件 | |
| WO2020153753A1 (ko) | 표면 보호 필름 및 유기 발광 전자 장치 제조 방법 | |
| JP7783365B2 (ja) | 表面保護フィルム | |
| TW202204550A (zh) | 半導體加工用黏著片材 | |
| TWI681871B (zh) | 表面保護膜及貼合有該表面保護膜的光學部件 | |
| WO2021095990A1 (ko) | 초경박리 이형필름 | |
| WO2020153755A1 (ko) | 표면 보호 필름 및 유기 발광 전자 장치 제조 방법 | |
| WO2020153756A1 (ko) | 표면 보호 필름 및 유기 발광 전자 장치 제조 방법 | |
| KR20260018837A (ko) | 도전성 점착 필름, 피착체의 처리 방법 및 반도체 장치의 제조 방법 | |
| TW202321396A (zh) | 用於具有凸部之半導體晶圓之加工用黏著片材之基材 |
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: 20744353 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2021528424 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: 20744353 Country of ref document: EP Kind code of ref document: A1 |
|
| WWG | Wipo information: grant in national office |
Ref document number: 17295792 Country of ref document: US |