WO2014204223A1 - 봉지재 필름용 조성물, 봉지재 필름 및 이를 포함하는 전자장치 - Google Patents
봉지재 필름용 조성물, 봉지재 필름 및 이를 포함하는 전자장치 Download PDFInfo
- Publication number
- WO2014204223A1 WO2014204223A1 PCT/KR2014/005386 KR2014005386W WO2014204223A1 WO 2014204223 A1 WO2014204223 A1 WO 2014204223A1 KR 2014005386 W KR2014005386 W KR 2014005386W WO 2014204223 A1 WO2014204223 A1 WO 2014204223A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- film
- resin
- weight
- composition
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber; Homopolymers or copolymers of other iso-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/02—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F10/00—Individual photovoltaic cells, e.g. solar cells
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/141—Organic polymers or oligomers comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/151—Copolymers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/40—Encapsulations, e.g. protective coatings characterised by their materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W74/00—Encapsulations, e.g. protective coatings
- H10W74/40—Encapsulations, e.g. protective coatings characterised by their materials
- H10W74/47—Encapsulations, e.g. protective coatings characterised by their materials comprising organic materials, e.g. plastics or resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08J2323/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08J2323/22—Copolymers of isobutene; butyl rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
- C08J2423/30—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment by oxidation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
-
- 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
-
- 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
- H10K50/846—Passivation; Containers; Encapsulations comprising getter material or desiccants
Definitions
- the present application relates to a composition for an encapsulant film, an encapsulant film, and an electronic device including the same.
- the encapsulant may be used to protect devices or devices that are sensitive to external factors such as moisture or oxygen.
- An element or device that can be protected by an encapsulant includes, for example, a secondary battery such as an organic electronic device, a solar cell or a lithium secondary battery.
- a secondary battery such as an organic electronic device, a solar cell or a lithium secondary battery.
- the organic electronic device of the device or device is vulnerable to external factors such as moisture or oxygen.
- the organic electronic device is a device containing a functional organic material.
- Examples of the organic electronic device or the organic electronic device included in the organic electronic device may include a photovoltaic device, a rectifier, a transmitter, an organic light emitting diode (OLED), and the like. have.
- an organic light emitting device typically includes a layer of functional organic material present between a pair of electrodes comprising a metal or metal oxide, wherein the layer of organic material is separated from the electrode by moisture that penetrates from the outside. Problems such as peeling under the influence of moisture at the interface of the electrode, oxidation of the electrode due to moisture, the resistance value increases, or the organic material itself is deteriorated, resulting in loss of luminescence function or decrease in luminance.
- the organic light emitting device is used to protect the organic light emitting device from an external environment such as moisture, and a sealing structure in which an organic light emitting device formed on a substrate is heated with a glass can or a metal can equipped with a getter or an absorbent or fixed with an adhesive.
- the present application provides a composition for an encapsulant film, an encapsulant film, and an electronic device including the same.
- the composition for the encapsulant film includes an additive having a base resin and a polar functional group, whereby the encapsulant film prepared by the composition can ensure adhesion reliability under high temperature and high humidity conditions,
- the backbone of the additive having a functional group has compatibility with the base resin, there may be no deterioration in optical properties of the film and no deterioration in moisture barrier performance.
- the film can be laminated on the device without causing bubbles or the like even when applied for the protection of the device in a large-area device, and after the encapsulation process, for example, from external components such as moisture, etc. The device can be effectively protected.
- the composition according to one embodiment of the present application includes a base resin and an additive.
- the base resin has a repeating unit of Chemical Formula 1 below
- the additive has a main chain of a repeating unit of Formula 1 below.
- R 1 and R 2 are each independently hydrogen or an alkyl group having 1 to 12 carbon atoms, and n is one or more.
- R 1 and R 2 may be, for example, an alkyl group having 1 to 8 carbon atoms and an alkyl group having 1 to 4 carbon atoms, and a methyl group, an ethyl group, and a propyl group may be exemplified, but is not limited thereto.
- the base resin has a repeating unit of Formula 1
- the additive has a main chain of the repeating unit of Formula 1
- the main chain of the additive and the base resin may have compatibility, and thus, as described above It is possible to provide an encapsulant film having no deterioration in optical properties and no deterioration in moisture barrier performance.
- the base resin of the encapsulant film may be a copolymer including at least 90 mol% of polyisobutylene resin or isobutylene, for example, isobutylene-isoprene copolymer.
- the base resin means a configuration in which optional components such as additives are excluded.
- the base resin may mean a configuration in which the tackifier is excluded.
- the polyisobutylene resin is a resin having a polyisobutylene skeleton in the main chain or the side chain, and has a low moisture permeability as the resin itself and has excellent water barrier properties. Moreover, polyisobutylene resin has low surface energy, and the adhesive composition which uses polyisobutylene resin as a base resin is suitable for the sealing of the plastic organic electronic device sensitive to the difference of the thermal expansion coefficient of a base material.
- polyisobutylene resin For example, homopolymer of isobutylene monomer; Or the copolymer which copolymerized the isobutylene monomer and the other monomer which can superpose
- the other monomers polymerizable with the isobutylene monomer may include, for example, 1-butene, 2-butene, isoprene or butadiene.
- the weight average molecular weight (Mw) of the polyisobutylene resin, which is a base resin, may be about 100,000 to 2 million, 100,000 to 1.5 million, or 100,000 to 1 million, but is not limited thereto.
- weight average molecular weight means a conversion value with respect to standard polystyrene measured by gel permeation chromatography (GPC).
- the base resin may have an excellent glass barrier temperature in terms of being present in a rubber (rubber) at room temperature while having excellent moisture barrier properties, for example, the glass transition temperature of the base resin is -50 Or less, for example, -60 or less, or -70 or less.
- the polyisobutylene resin itself is a hydrophobic resin having no polar functional group, and may have a weak adhesive reliability under high temperature and high humidity conditions.
- it is also important to maintain the adhesion at room temperature as well as the adhesion at room temperature. Therefore, in the present application, an additive having a polar functional group is introduced to compensate for such a weak point.
- the additive may be a compound represented by Formula 2 below.
- R 1 and R 2 are each independently hydrogen or an alkyl group having 1 to 12 carbon atoms
- L is alkylene, arylene, ether, ester, carbonyl, allyl, alkylallyl, acryloyl and alke It is an organic linker or single bond which consists of 1 type (s) or its combination from the group which consists of nylene, P represents a polar functional group, n is one or more.
- the additive has a main chain of the repeating unit represented by Chemical Formula 1, the additive has compatibility with the base resin and does not impair transparency of the film.
- the backbone of the additive may be polyisobutenyl, but is not limited thereto.
- the polar functional group is selected from the group consisting of acid anhydride group, amide group, alkoxy group, alcohol group, aldehyde group, carbonyl group, carboxyl group, ester group, ether group, epoxy group, amino group, sulfone group, hydroxy group and maleic acid group It may include one or more kinds.
- the polar functional groups are functional groups capable of imparting adhesion to glass, metal or plastic surfaces, some of which may participate in curing or crosslinking reactions to control the flow in the matrix of film composition components.
- the additive may be at least one selected from the group consisting of polyisobutenyl succinic anhydride, polyisobutenyl amine and polyisobutenyl alcohol, and when the additive is polyisobutenyl succinic anhydride, Its structure has an acid anhydride group and terminal double bonds, and these reactors may participate in the formation of a curing or crosslinking structure to fix the low molecular weight additives so that they do not float in the matrix or on the surface after the crosslinking reaction.
- the weight average molecular weight of the additive may be a number average molecular weight of 100 g / mol to 10,000 g / mol, preferably 1,000 g / mol to 5,000 g / mol, but is not limited thereto.
- polar additives include Glissopal SA of BASF, and may be used by functionalizing polyisobutylene by the following reaction, but are not limited thereto.
- reaction of reactive polyisobutylene with a SO 3 source for example acetyl sulfate, to provide polyisobutylene with terminal sulfone groups
- polyisobutenyl succinic anhydride PIBSA
- polyisobutenyl succinic anhydride having a number average molecular weight of 1000 to 10,000 g / mol can be used in the composition of the present application.
- the additive may be included in an amount of 1 to 50 parts by weight based on 100 parts by weight of the polyisobutylene resin which is a base resin, and in another example, may be included in an amount of 5 to 30 parts by weight. Unless otherwise specified herein, unit parts by weight means a ratio of weight.
- the said composition may further contain other resin components other than containing a base resin.
- resin components other than containing a base resin.
- styrene resin, polyolefin resin, thermoplastic elastomer, polyoxyalkylene resin, polyester resin, polyvinyl chloride resin, polycarbonate resin, polyphenylene sulfide resin, mixture of hydrocarbons, polyamide Resins, acrylate resins, epoxy resins, silicone resins, fluorine resins or mixtures thereof may be exemplified.
- styrene resin for example, styrene-ethylene-butadiene-styrene block copolymer (SEBS), styrene-isoprene-styrene block copolymer (SIS), acrylonitrile-butadiene-styrene block copolymer (ABS ), Acrylonitrile-styrene-acrylate block copolymers (ASA), styrene-butadiene-styrene block copolymers (SBS), styrene-based homopolymers or mixtures thereof.
- SEBS styrene-ethylene-butadiene-styrene block copolymer
- SIS styrene-isoprene-styrene block copolymer
- ABS acrylonitrile-butadiene-styrene block copolymer
- ASA Acrylonitrile-styrene-acrylate block cop
- olefin resin for example, a high density polyethylene resin, a low density polyethylene resin, a polypropylene resin or a mixture thereof may be exemplified.
- thermoplastic elastomer for example, an ester thermoplastic elastomer, an olefin thermoplastic elastomer, a mixture thereof, or the like can be used.
- polybutadiene resin or the like may be used as the olefin-based thermoplastic elastomer.
- polyoxyalkylene resins include polyoxymethylene resins, polyoxyethylene resins, and mixtures thereof.
- polyester resins examples include polyethylene terephthalate resins, polybutylene terephthalate resins, and mixtures thereof.
- polyvinyl chloride-based resin for example, polyvinylidene chloride and the like can be exemplified.
- mixture of the hydrocarbons for example, hexatriacotane or paraffin may be exemplified.
- polyamide resin nylon etc. can be illustrated, for example.
- acrylate resin polybutyl (meth) acrylate etc. can be illustrated, for example.
- Bisphenol-type such as bisphenol A type, bisphenol F type, bisphenol S type, and these hydrogenated substances
- Novolak types such as phenol novolak type and cresol novolak type
- Nitrogen-containing cyclic types such as triglycidyl isocyanurate type and hydantoin type
- Alicyclic type Aliphatic type
- Aromatic types such as naphthalene type and biphenyl type
- Glycidyl types such as glycidyl ether type, glycidyl amine type and glycidyl ester type
- Dicyclo types such as dicyclopentadiene type; Ester type; Ether ester type or mixtures thereof and the like can be exemplified.
- silicone resins examples include polydimethylsiloxane and the like.
- fluorine-type resin polytrifluoroethylene resin, polytetrafluoroethylene resin, polychlorotrifluoroethylene resin, polyhexafluoropropylene resin, polyvinylidene fluoride, polyvinylidene fluoride, polyfluoro Ethylene propylene propylene or mixtures thereof and the like can be exemplified.
- the above-listed resins may be used, for example, by grafting with maleic anhydride, or the like, or may be used after being copolymerized with other listed resins or monomers for preparing the resins, or may be modified with other compounds.
- the other compounds include carboxyl-terminated butadiene-acrylonitrile copolymers.
- the resins listed may include one or more functional groups or moieties that can be cured by heat such as glycidyl group, isocyanate group, hydroxy group, carboxyl group or amide group or the like to be cured and exhibit adhesiveness, or one or more functional groups or moieties that can be cured by irradiation of active energy rays such as (epoxide) groups, cyclic ether groups, sulfide groups, acetal groups, or lactone groups. Can be.
- one or more functional groups or moieties that can be cured by heat such as glycidyl group, isocyanate group, hydroxy group, carboxyl group or amide group or the like to be cured and exhibit adhesiveness
- one or more functional groups or moieties that can be cured by irradiation of active energy rays such as (epoxide) groups, cyclic ether groups, sulfide groups, acetal groups, or lactone groups.
- active energy rays such as
- the composition may comprise a moisture absorbent.
- moisture absorber may mean, for example, a material capable of removing the above through a chemical reaction with moisture or moisture penetrated into the encapsulant film.
- the moisture absorbent may be included in an amount of 1 part by weight to 100 parts by weight with respect to 100 parts by weight of the base resin component, but is not limited thereto.
- the moisture absorbent may be present evenly dispersed within the film.
- the evenly dispersed state may refer to a state in which the water absorbent is present at the same or substantially the same density in any part of the matrix of the film.
- the water absorbent that can be used above include metal oxides, sulfates, or organic metal oxides.
- the metal oxide include magnesium oxide, calcium oxide, strontium oxide, barium oxide or aluminum oxide
- examples of the sulfate include magnesium sulfate, sodium sulfate, nickel sulfate, and the like.
- the organic metal oxides include aluminum oxide octylate and the like.
- 1 type may be used among the above-mentioned structures, and 2 or more types may be used. In one example, when two or more species are used as the moisture absorbent, calcined dolomite may be used.
- Such moisture absorbents can be controlled to an appropriate size depending on the intended use of the film.
- the average particle diameter of the moisture absorbent may be controlled to about 10 to 15000 nm.
- the moisture absorbent having a size in the above range is easy to store because the reaction rate with the moisture is not too fast, and can effectively remove moisture without damaging the device to be encapsulated.
- the encapsulant film may further include a dispersant so that the moisture absorbent may be uniformly dispersed in the resin component.
- a dispersing agent which can be used here, the nonionic surfactant which has affinity with the surface of a hydrophilic water absorbent, and is compatible with a resin component can be used, for example.
- a compound represented by Chemical Formula 3 may be used as the nonionic surfactant.
- R is a saturated or unsaturated hydrocarbon group
- X is a hydroxy group, carboxyl group, amino group or carbohydrate moiety.
- R may be a saturated or unsaturated hydrocarbon group having 4 to 28 carbon atoms, 4 to 24 carbon atoms, 4 to 20 carbon atoms or 6 to 20 carbon atoms.
- X is a carbohydrate moiety may refer to a compound in which any one of hydrogen of carbohydrate is substituted with R.
- examples of the carbohydrates include glucose and the like.
- Examples of the compound of Formula 3 include fatty acids such as stearic acid, palmitic acid, oleic acid or linoleic acid; Fatty alcohols such as cetyl alcohol, stearyl alcohol, cetostearyl alcohol or oleyl alcohol; Or alkyl glucosides such as octyl glucoside, decyl glucoside or lauryl glucoside.
- fatty acids such as stearic acid, palmitic acid, oleic acid or linoleic acid
- Fatty alcohols such as cetyl alcohol, stearyl alcohol, cetostearyl alcohol or oleyl alcohol
- alkyl glucosides such as octyl glucoside, decyl glucoside or lauryl glucoside.
- the content of such dispersants may be controlled according to the type and / or size of the moisture absorbent. Specifically, the smaller the size of the water absorbent, the larger the surface area of the water absorbent, so that a large amount of dispersant may be used to uniformly disperse the water absorbent. In one example, when using a moisture absorbent having an average particle diameter of about 40 nm, about 5 parts by weight or more of a dispersant based on 100 parts by weight of the moisture absorbent may be used. In another example, when using a moisture absorbent having an average particle diameter of about 1000 nm, about 0.05 part by weight or more of a dispersant based on 100 parts by weight of the moisture absorbent may be used.
- a dispersant of about 0.01 to 500 parts by weight based on 100 parts by weight of the moisture absorbent may be used. Within this range, the moisture absorbent can be uniformly dispersed without affecting the overall physical properties such as the adhesive strength of the film.
- the method of including the water absorbent and the dispersant in the resin component can be used without limitation in the methods used in the art. However, a method of controlling the blending order to uniformly disperse the water absorbent in the resin component is given.
- the dispersant is dispersed in a solvent to prepare a dispersion.
- the solvent may be selected based on coating properties, drying temperature or compatibility with the resin component.
- an aromatic solvent such as toluene or xylene may be used as the solvent of the dispersant.
- a water absorbent is added to the dispersion and mixed.
- the process of mixing the water absorbent with the dispersion may further use a physical dispersion method in order to increase the degree of dispersion of the water absorbent.
- a physical dispersion method the method using a shaker, the sonication method, the bead milling method, etc. are mentioned, for example.
- the solution in which the moisture absorbent and the dispersant are dispersed may be added to the composition for preparing the film.
- the solution in which the moisture absorbent and the dispersant are dispersed may be optionally filtered, and the large particles may be filtered and introduced into the solution containing the resin component.
- a film in which the water absorbent and the dispersant are uniformly dispersed may be prepared.
- the process is not limited to the described contents, and simple modifications may be made by those skilled in the art.
- the composition may also include a moisture blocker.
- moisture blocker may refer to a material that has no or low reactivity with moisture that penetrates into the film, but may block or prevent movement of moisture or moisture within the film.
- the moisture barrier for example, one or two or more of clay, talc, acicular silica, plate silica, porous silica, zeolite, titania or zirconia can be used.
- the moisture barrier may be surface treated with an organic modifier or the like to facilitate penetration of organic matter.
- Such organic modifiers include, for example, dimethyl benzyl hydrogenated tallow quaternaty ammonium, dimethyl dihydrogenated tallow quaternary ammonium, methyl tallow bis-2-hydroxyethyl Methyl tallow bis-2-hydroxyethyl quaternary ammonium, dimethyl hydrogenated tallow 2-ethylhexyl quaternary ammonium, dimethyl dehydrogenated tallow quaternary ammonium ) Or mixtures thereof and organic modifiers may be used.
- the content of the moisture blocker which can be included in the composition can be appropriately adjusted in relation to the matrix structure of the water absorbent and the resin component.
- the content of the moisture blocker may be adjusted to about 0 to 50 parts by weight or 1 to 30 parts by weight based on 100 parts by weight of the resin component. Within this range it can be provided a film having excellent moisture barrier properties and mechanical properties.
- the component blending order may be controlled to uniformly disperse the water absorbent and the water blocker in the resin component.
- a first dispersion can be prepared by first adding a moisture barrier to the solvent.
- the first dispersion may be obtained as a uniformly dispersed dispersion through processes such as sonication, bead milling, ball milling, high speed dispersion, high pressure dispersion, and the like.
- a second dispersion in which the moisture absorbent and / or dispersant is dispersed as described above is prepared.
- the prepared first and second dispersions are added to a solution containing a resin component and mixed.
- the solvent may be further added in consideration of viscosity control and coating properties of the resin composition during mixing.
- the composition may comprise a tackifier.
- a tackifier the hydrogenated petroleum resin obtained by hydrogenating a petroleum resin can be used, for example. Hydrogenated petroleum resins may be partially or fully hydrogenated and may be a mixture of such resins. Such a tackifier can be selected from those having good compatibility with the resin component and excellent moisture barrier properties. Specific examples of the hydrogenated petroleum resin include hydrogenated terpene resins, hydrogenated ester resins, or hydrogenated dicyclopentadiene resins. The weight average molecular weight of the tackifier may be about 200 to 5,000. The content of the tackifier can be appropriately adjusted as necessary. For example, the tackifier may be included in the film in a ratio of 5 parts by weight to 100 parts by weight with respect to 100 parts by weight of the resin component.
- tackifier a tackifier having a softening point of 80 to 150 ° C. may be used, but is not limited thereto.
- the composition may include various additives depending on the use of the film and the manufacturing process of the film in addition to the above-described configuration.
- a curable material may be further included in consideration of durability and fairness.
- the curable material may mean a material having a thermosetting functional group and / or an active energy ray curable functional group which are separately included in addition to the above-described resin component.
- the content of the curable material may be adjusted according to the desired physical properties of the film.
- the composition may include a curable resin or a curable monomer.
- the curable resin thermosetting, active energy ray curable or hybrid curable resins known in the art can be used.
- thermalsetting resin is a resin in which curing may occur through an appropriate heat application or aging step
- active energy ray curable resin is a resin in which curing may occur by irradiation of active energy rays
- Matable curable resin may mean a resin in which the curing mechanism of the thermosetting and active energy ray curable resins proceeds simultaneously or sequentially to be cured.
- the active energy rays are microwaves, infrared rays (IR), ultraviolet rays (UV), X-rays and gamma rays, alpha-particle beams, proton beams, and neutron beams.
- Particle beams such as neutron beams or electron beams may be exemplified.
- the curable resin may be, for example, a resin that is cured to exhibit adhesive properties, and includes one or more functional groups or moieties that can be cured by heat such as glycidyl, isocyanate, hydroxy, carboxyl, or amide groups, or the like.
- One or more functional groups or sites that can be cured by irradiation of an active energy ray such as an epoxide group, a cyclic ether group, a sulfide group, an acetal group or a lactone group Resin to be used can be used.
- an acrylic resin, a polyester resin, an isocyanate resin or an epoxy resin having at least one or more of the above functional groups or sites may be exemplified, but is not limited thereto.
- an epoxy resin may be used as the curable resin.
- the epoxy resin may be an alicyclic or aliphatic epoxy resin.
- a thermosetting epoxy resin can be used, or the epoxy resin hardened
- Epoxy resin according to one example the epoxy equivalent may be 150 g / eq to 2,000 g / eq. Within the range of the epoxy equivalent, properties such as adhesion performance of the cured product and glass transition temperature can be maintained in an appropriate range.
- the epoxy resin may be a silane-modified epoxy resin.
- a reactant of at least one of the epoxy resins described above with the silane compound can be used.
- the silane compound in the above for example, the compound represented by the following formula (4) can be exemplified.
- D is a vinyl group, an epoxy group, an amino group, an acryl group, a methacryl group, a mercapto group, an alkoxy group or an isocyanate group, or an alkyl group substituted with any one of the above functional groups
- Q is hydrogen or an alkyl group.
- n is a number of 1 to 3.
- functional group D may react with a functional group included in the epoxy resin to form a silane-modified epoxy resin.
- the silane compound may be introduced into the epoxy group while the amino group reacts with the epoxy group of the epoxy resin to form a "-CH (OH) -CH 2 -NH-" bond.
- an epoxy resin containing a hydroxy group for example, a bisphenol F type epoxy resin, a bisphenol F type novolac epoxy resin, a bisphenol A type epoxy resin or a bisphenol A type A silane compound may be introduced by reacting with a bisphenol type epoxy resin such as a novolac epoxy resin or the like.
- alkyl group in Formula 4 an alkyl group having 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms, or 1 to 4 carbon atoms may be exemplified.
- the alkyl group may be a straight chain, branched chain or cyclic alkyl group.
- fluorine (F), chlorine (Cl), bromine (Br) or iodine (I) may be exemplified.
- alkoxy group in Formula 4 an alkoxy group having 1 to 20 carbon atoms, 1 to 12 carbon atoms, 1 to 8 carbon atoms or 1 to 4 carbon atoms may be exemplified.
- the alkoxy group may be linear, branched or cyclic.
- aralkyl group may be included.
- the aryl group may mean a monovalent moiety derived from a compound or derivative thereof including one or more benzene rings or a structure in which two or more benzene rings are linked or condensed.
- the aryl group may be, for example, an aryl group having 6 to 25 carbon atoms, 6 to 21 carbon atoms, 6 to 18 carbon atoms, or 6 to 12 carbon atoms.
- aryl group for example, a phenyl group, dichlorophenyl, chlorophenyl, phenylethyl group, phenylpropyl group, benzyl group, tolyl group, xylyl group or naphthyl group can be exemplified.
- an acyloxy group having 1 to 20 carbon atoms, 1 to 16 carbon atoms, or 1 to 12 carbon atoms may be exemplified.
- an alkylthio group having 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, or 1 to 8 carbon atoms or 1 to 4 carbon atoms may be exemplified, and an alkyleneoxythio group.
- an alkyleneoxythio group having 1 to 20 carbon atoms, 1 to 16 carbon atoms, 1 to 12 carbon atoms, or 1 to 8 carbon atoms or 1 to 4 carbon atoms may be exemplified, and an alkyleneoxythio group.
- the alkyl group, alkoxy group, aryl group, acyloxy group, alkylthio group or alkyleneoxythio group may be optionally substituted with one or more substituents.
- substituents a hydroxy group, an epoxy group, an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an acyl group, a thiol group, an acryloyl group, a methacryloyl group, an aryl group or an isocyanate group may be exemplified, but is not limited thereto. It is not.
- the functional group D may be, for example, an alkoxy group, an amino group or an isocyanate group.
- At least one, two or more or three of the functional groups Q in the formula (4) for example, a halogen atom, an alkoxy group, an aryloxy group, an acyloxy group, an alkylthio group or an alkyleneoxythio group, or the like, or It may be an alkoxy group.
- Examples of the silane-modified epoxy resin include about 0.1 part by weight to about 10 parts by weight, about 0.1 part by weight to about 9 parts by weight, about 0.1 part by weight to about 8 parts by weight, and about 0.1 part by weight based on 100 parts by weight of the epoxy resin. To about 7 parts by weight, about 0.1 to about 6 parts by weight, about 0.1 to about 5 parts by weight, about 0.1 to about 4 parts by weight, about 0.1 to about 3 parts by weight, about 0.3 Epoxy resins in which parts by weight to 2 parts by weight or about 0.5 parts by weight to about 2 parts by weight of the silane compound are introduced may be used.
- the epoxy resin modified with silane and including the silyl group in the structure may allow the encapsulation layer of the electronic device to exhibit excellent moisture barrier property, durability and reliability while exhibiting excellent adhesion to a substrate or the like.
- the composition may further include a curing agent capable of reacting with the curable resin and forming a crosslinked structure or the like, or an initiator capable of initiating a curing reaction of the resin, depending on the kind of the curable resin.
- An appropriate kind can be selected and used according to the kind of curable resin or the functional group contained in the resin for a hardening
- the curing agent may be a curing agent of an epoxy resin known in the art, for example, an amine curing agent, an imidazole curing agent, a phenol curing agent, a phosphorus curing agent or an acid anhydride curing agent.
- an epoxy resin known in the art, for example, an amine curing agent, an imidazole curing agent, a phenol curing agent, a phosphorus curing agent or an acid anhydride curing agent.
- One or two or more kinds may be used, but the present invention is not limited thereto.
- the curing agent may be an imidazole compound which is solid at room temperature and has a melting point or decomposition temperature of 80 ° C. or higher.
- an imidazole compound which is solid at room temperature and has a melting point or decomposition temperature of 80 ° C. or higher.
- the content of the curing agent may be selected according to the composition of the composition, for example, the type or ratio of the curable resin.
- the curing agent may include 1 part by weight to 20 parts by weight, 1 part by weight to 10 parts by weight, or 1 part by weight to 5 parts by weight based on 100 parts by weight of the curable resin.
- the weight ratio may be changed depending on the type and ratio of the curable resin or functional group of the resin, or the crosslinking density to be implemented.
- curable resin is an epoxy resin which can be hardened by irradiation of an active energy ray
- a cationic photoinitiator can be used, for example.
- an onium salt or an organometallic salt-based ionizing cation initiator or an organosilane or a latent sulfonic acid-based or non-ionized cationic photopolymerization initiator may be used.
- an onium salt-based initiator a diaryliodonium salt, a triarylsulfonium salt, an aryldiazonium salt, or the like can be exemplified.
- the zero, iron arene and the like can be exemplified.
- the organosilane-based initiator include o-nitrobenzyl triaryl silyl ether and triaryl silyl peroxide.
- the latent sulfuric acid-based initiator may be exemplified by ⁇ -sulfonyloxy ketone or ⁇ -hydroxymethylbenzoin sulfonate and the like, but is not limited thereto. .
- an ionized cationic photopolymerization initiator may be used as the cationic initiator.
- the content of the initiator may be changed according to the type and ratio of the curable resin or functional group of the resin, or the crosslinking density to be implemented, as in the case of the curing agent.
- the initiator may be blended in an amount of 0.01 to 10 parts by weight or 0.1 to 3 parts by weight with respect to 100 parts by weight of the curable resin.
- a plasticizer in the range which does not affect a desired effect, may further comprise additives such as ultraviolet stabilizers and / or antioxidants.
- Another embodiment of the present application relates to an encapsulant film formed by the above-described composition.
- the encapsulant film of the present application includes an additive having a base resin and a polar functional group, and thus, a backbone of the additive having the polar functional group may be bonded to the base resin while ensuring adhesion at high temperature and high humidity.
- compatibility there is no deterioration in optical properties of the film, and there may be no deterioration in moisture barrier performance.
- the film can be laminated on the device without causing bubbles or the like even when applied for the protection of the device in a large-area device, and after the encapsulation process, for example, from external components such as moisture, etc. The device can be effectively protected.
- Exemplary films of the present application include base resins and additives.
- the base resin has a repeating unit of Chemical Formula 1 below
- the additive has a main chain of a repeating unit of Formula 1 below.
- R 1 and R 2 are each independently hydrogen or an alkyl group having 1 to 12 carbon atoms, and n is one or more.
- R 1 and R 2 may be, for example, an alkyl group having 1 to 8 carbon atoms and an alkyl group having 1 to 4 carbon atoms, and a methyl group, an ethyl group, and a propyl group may be exemplified, but is not limited thereto.
- the base resin has a repeating unit of Formula 1
- the additive has a main chain of the repeating unit of Formula 1
- the main chain of the additive and the base resin may have compatibility, and thus, as described above It is possible to provide an encapsulant film having no deterioration in optical properties and no deterioration in moisture barrier performance.
- the additive may be a compound represented by Formula 2 below.
- R 1 and R 2 are each independently hydrogen or an alkyl group having 1 to 12 carbon atoms
- L is alkylene, arylene, ether, ester, carbonyl, allyl, alkylallyl, acryloyl and alke It is an organic linker or single bond which consists of 1 type (s) or its combination from the group which consists of nylene, P represents a polar functional group, n is one or more.
- the additive Since the additive has a main chain of the repeating unit represented by Chemical Formula 1, the additive has compatibility with the base resin and does not impair transparency of the film.
- the film may include components included in the above-described composition, and the description of the base resin, the additive, and specific other components is the same as described in the composition, and thus will be omitted.
- the encapsulant film may satisfy the following general formula (1).
- P r represents the peel force of the encapsulant film to the glass of the encapsulant film measured at a peel rate of 10 mm / sec and a peel angle of 180 ° at room temperature.
- the encapsulant film of the present application has a peel force of the encapsulant film on glass measured at a peel rate of 10 mm / sec and a peel angle of 180 ° at room temperature of at least 2000 gf / in, for example, It may be 2100 gf / in or more, 2200 gf / in or more, 2300 gf / in or more, or 2400 gf / in or more, preferably 2500 or more gf / in.
- the encapsulant film of the present application may satisfy the following general formula (2).
- P h is maintained at 85 ° C. and 85% relative humidity for 24 to 100 hours, and then the encapsulant film for glass measured at a peel rate of 10 mm / sec and a peel angle of 180 °. It shows the peel force of
- the encapsulant film of the present application is maintained for 24 to 100 hours at 85 ° C. and 85% relative humidity conditions, and then the encapsulation film for glass measured at a peel rate of 10 mm / sec and a peel angle of 180 °.
- the peel force of the re-film is 500 gf / in or more, for example, 1000 gf / in or more, 1500 gf / in or more, 1800 gf / in or more, 2000 gf / in or more, 2300 gf / in or more, 2600 gf / in or more Or at least 3000 gf / in, and preferably at least 3500 gf / in.
- the sealing material film by this application contains the additive which has a polar functional group, and not only has the outstanding normal temperature adhesive force with a board
- the moisture permeability of the encapsulant film at 100 ° F and 100% relative humidity conditions is less than 10 g / m 2 ⁇ day, for example, 5 g / m 2 ⁇ day or less, 3 g / m 2 ⁇ day or less, preferably 2 g / m 2 ⁇ day or less.
- the moisture permeability may be a 100 ⁇ m thick film, and may be a moisture permeability measured in the thickness direction of the film under conditions of 100 ° F and 100% relative humidity.
- the lower the moisture permeability the more excellent the moisture barrier property can be. Therefore, the lower limit thereof is not particularly limited.
- the lower limit of the water vapor transmission rate of the resin component may be 0 g / m 2 ⁇ day, 0.1 g / m 2 ⁇ day, 0.01 g / m 2 ⁇ day or 0.001 g / m 2 ⁇ day.
- the encapsulant film may have various structures.
- the encapsulant film may be formed of a single layer, or may be formed of a plurality of layers including polyisobutylene resin, and may be separate from a layer including polyisobutylene resin. It may further comprise a layer of.
- the encapsulant film may have a multi-layer structure including a first layer comprising a polyisobutylene resin and a second layer comprising a resin other than the polyisobutylene resin.
- the binder resin for forming the second layer a phenoxy resin, an acrylate resin or a high molecular weight epoxy resin can be used.
- the high molecular weight epoxy resin may mean, for example, a resin having a weight average molecular weight of about 2,000 to 70,000 or about 4,000 to 6,000.
- a high molecular weight epoxy resin a solid bisphenol A epoxy resin, a solid bisphenol F epoxy resin, etc. can be illustrated.
- rubber components such as high polarity functional group-containing rubber and high polarity functional group-containing reactive rubber may also be used.
- a phenoxy resin may be used as the binder resin.
- the elastic modulus of each layer may be different. If the elastic modulus of the first layer is lower than the elastic modulus of the second layer, it is advantageous for application to a large-area device, and it may be possible to impart an effective moisture barrier property to the film by controlling the interlayer ratio of the moisture absorbent.
- the moisture absorbent reacts with water in the film
- the volume expands as much as the water reacts, causing stress. Therefore, when the elasticity does not have enough elasticity to relieve the expansion stress to the water removal, the film may be peeled from the adherend, in the case of a film of a multi-layer structure may cause the peeling between the layers.
- a polyisobutylene resin having a glass transition temperature much lower than room temperature as a base resin the above-described expansion stress does not occur, and peeling between layers does not occur.
- the encapsulant film may include a moisture absorbent.
- the first layer may comprise a greater amount of moisture absorbent than the second layer.
- the second layer may or may not contain less moisture absorbent than the first layer.
- the first layer may include a resin component, 5 parts by weight, 10 parts by weight, 20 parts by weight, 30 parts by weight, 40 parts by weight or 45 to 100 parts by weight of the resin component. It may include at least parts by weight of the moisture absorbent.
- the upper limit of the ratio of the moisture absorbent of the first layer is not particularly limited to be changed according to the desired moisture barrier properties, but, for example, 250 parts by weight or less, 230 parts by weight or less or 210 parts by weight with respect to 100 parts by weight of the resin component. Up to parts of water absorbent may be included in the first layer.
- the second layer may not include a moisture absorbent, and may include a trace amount of the moisture absorbent even if it includes the moisture absorbent.
- the second layer may comprise, for example, less than 5 parts by weight or less than 3 parts by weight of the moisture absorbent relative to 100 parts by weight of solids of the second layer. Since the second layer may not include a moisture absorbent, the lower limit of the content of the moisture absorbent of the second layer may be 0 parts by weight.
- the second layer may be, for example, a layer containing the curable resin composition.
- the second layer may be a hot melt adhesive layer.
- the term "hot melt type adhesive layer” is maintained at a solid or semi-solid state at room temperature, and when appropriate heat is applied, melts to show adhesiveness, After curing, it may mean a layer in a form capable of firmly fixing the object as an adhesive.
- the term "hardening of the adhesive” in the present specification may mean a chemical or physical action or reaction that changes so that the target material can exhibit adhesion.
- room temperature may mean a natural temperature that is not heated or reduced, for example, may mean a temperature of about 15 to 35 degrees, about 20 to 25 degrees, about 25 or 23 degrees.
- maintaining the solid or semi-solid state at room temperature in the above may mean that the target material exhibits a viscosity of about 10 6 poise or more or about 10 7 poise or more at room temperature.
- a viscosity is a viscosity measured using ARES (Advanced Rheometric Expansion System).
- ARES Advanced Rheometric Expansion System
- the upper limit of the viscosity is not particularly limited and may be, for example, about 10 9 poise or less.
- a 2nd layer can maintain a solid state or semi-solid state at normal temperature, even if the component contained in a 2nd layer like curable resin composition etc. is an uncured state. Therefore, the second layer may include the curable resin composition in the form of a film. Through this, it is possible to prevent the physical or chemical damage to the device when applied to the sealing process, such as excellent handling and smooth operation.
- the encapsulant film may further include, for example, a substrate.
- the substrate may be disposed, for example, on one or both sides of the film.
- the substrate may be, for example, a substrate subjected to a release treatment, and such substrate may be used in the art without limitation.
- the encapsulant film may be applied to encapsulation and protection of various objects.
- the film can be effective for the protection of an object comprising a device sensitive to external components, for example moisture or moisture.
- the object to which the encapsulant film may be applied include organic electronic devices such as a photovoltaic device, a rectifier, a transmitter, or an organic light emitting diode (OLED); Solar cells; Or a secondary battery, but is not limited thereto.
- Another embodiment of the present application also includes an upper substrate; Lower substrate; And an encapsulation layer including a film encapsulating an element between the upper substrate and the lower substrate.
- the device may mean any one component of the electronic device.
- the device that can be protected by the film as described above may be an organic electronic device such as an organic light emitting device, but is not limited thereto.
- the film may be an encapsulant film including the aforementioned polyisobutylene resin and polar additives as essential components.
- the film can be, for example, in an uncured state.
- the encapsulation layer including such a film may be a layer formed by curing the film.
- the upper substrate and the lower substrate may be disposed to face each other.
- the device may be formed on one surface of the lower substrate, and one surface of the lower substrate may be a surface facing the upper substrate.
- the film is located between the upper and lower substrates, wherein the film may substantially cover the front side of the device.
- a layer containing less moisture absorbent may adhere close to the device. Accordingly, an electronic device having excellent interface adhesion between the encapsulation layer and the element or the lower substrate can be provided.
- the electronic device may be an organic electronic device.
- the encapsulation layer can efficiently fix and support the upper substrate and the lower substrate while exhibiting excellent moisture barrier properties and optical properties in the organic electronic device.
- the encapsulation layer exhibits excellent transparency by, for example, preparing a moisture absorbent in a nano unit size and uniformly dispersing it in a resin, thereby providing organic electrons such as top emission or bottom emission. Regardless of the shape of the device, it can be formed into a stable encapsulation layer.
- the organic electronic device may be provided in a conventional configuration in the art, except that the encapsulation layer is formed of the above-described film.
- the organic electronic device may include, for example, a pair of electrodes and a layer of an organic material formed between the pair of electrodes.
- any one of the pair of electrodes may be composed of a transparent electrode.
- the layer of the organic material may include, for example, a hole transporting layer, a light emitting layer, an electron transporting layer, or the like.
- Another embodiment of the present application provides a method of manufacturing an electronic device, including laminating the aforementioned film on a substrate having an element formed thereon such that the film is in contact with the element.
- the method of manufacturing the electronic device may be a method of manufacturing the above-described electronic device.
- the film is laminated to contact the device, for example, the film may be applied so that the film covers the entire surface of the device.
- laminating the film so as to contact the device may include, for example, contacting the film and the device, and compressing the film with the device while heating the film to impart fluidity. Therefore, even in a large area electronic device, it is possible to provide an electronic device without deteriorating the performance of the device by bubbles or the like.
- the pressing may be performed using a vacuum press or the like to prevent bubbles or the like from occurring between the device and the film.
- the manufacturing method may include curing the film after laminating the film in contact with the device.
- the curing process may be carried out in an appropriate heating chamber or ultraviolet chamber, for example, depending on the curing method of the curable resin. Heating conditions or irradiation conditions of the active energy ray may be appropriately selected in consideration of the stability of the electronic device and the curability of the curable resin composition.
- the film may be previously transferred to the upper substrate of the electronic device before being laminated to the device. Accordingly, the transfer of the film to the upper substrate can be performed, for example, by contacting the film and the upper substrate and by laminating the roll.
- the manufacturing method of the electronic device is not limited thereto, and the manufacturing of the device is performed in the same manner as described above, but the order or conditions of the process may be changed. have.
- an encapsulant film having excellent moisture barrier property, handleability, workability and durability, and an element encapsulated with the encapsulant film.
- the adhesive film was manufactured so that the thickness of an adhesion layer might be set to about 50 micrometers with the adhesive composition of an Example or a comparative example.
- the prepared pressure-sensitive adhesive film was laminated with an unreleased PET base film and cut to have a width of 1 inch and a length of 20 cm. Subsequently, the release film of the adhesive film was peeled off, and the adhesion layer was affixed on the glass plate, and the specimen was prepared. Then, a 180 ° peel force of the test piece was measured using a texture analyzer while peeling at a peel rate of 10 mm / sec and a peel angle of 180 °.
- the sample was further left for 100 hours in an oven maintained at 85 ° C. and 85% relative humidity, and then the change in peel force under high temperature / high humidity was examined.
- the resin composition was prepared by dissolving the base resin used in the Example or the resin used in the Comparative Example in a solvent.
- the said resin composition was apply
- Calcium (Ca) was deposited in a size of 10 mm ⁇ 10 mm (length ⁇ width) on a glass substrate having a size of 12 mm ⁇ 12 mm (length ⁇ width). Separately, the film produced in the example or the comparative example was cut into the size of 12 mm x 12 mm (length x width). Then, one side of the film was transferred to the cover glass. Then, the opposite side of the side where the cover glass of the film is present is laminated onto the calcium of the glass substrate and heat-compressed under the conditions of 50 ° C. and 5 atmospheres using an autoclave, and then according to the composition, 1 at 100 ° C.
- the specimen was prepared by forming an encapsulation layer by curing for a period of time or by irradiating with ultraviolet light at a light amount of 2 J / cm 2 . Thereafter, while maintaining the specimen in the constant temperature and humidity chamber at 85 ° C. and 85% relative humidity for about 500 hours, the calcium evaporated portion was oxidized and changed to a length that was transparent. Since the total length of calcium in one direction is 10 mm, all the calcium is oxidized when the length of the oxidized portion is 5 mm from one end of the calcium.
- the film prepared in the above example was cut to a size of 100 mm ⁇ 100 mm, and laminated to a specimen at 150 ° C. for 10 minutes using a vacuum laminator (LM-30 ⁇ 30-S, NPC Co., Ltd.).
- the laminated specimen was measured for light transmittance using a Hazemeter (NDH-5000) according to JIS K 7105 method.
- NDH-5000 Hazemeter
- composition prepared above was applied to the release surface of the release PET and dried at 110 ° C. for 10 minutes to form a film having a thickness of 50 ⁇ m.
- the thermosetting conditions of the film was thermoset at 100 ° C for 1 hour.
- a film was prepared in the same manner as in Example 1 except that 100 parts by weight of polyisobutylene resin and 10 parts by weight of polyisobutenyl succinic anhydride were used.
- a film was prepared in the same manner as in Example 1, except that 20 parts by weight of polyisobutenyl amine was added instead of polyisobutenyl succinic anhydride.
- thermosetting agent 1 part by weight of 1-hydroxy-cyclohexyl-phenylketone (BASF, Igacure 184) is used as a radical initiator instead of the thermosetting agent, and the content of trimethylolpropane triacrylate is used as a photocurable acrylate instead of the thermosetting resin.
- a film was prepared in the same manner as in Example 1, except that 10 parts by weight was used. Photocuring of the film was carried out by irradiating the ultraviolet light with a light amount of 2 J / cm 2 .
- Example 1 Example 2
- Example 3 Example 4 Base resin B100 B100 B100 B100 Polar additive PIBSA PIBSA PIBA PIBSA Tackifier SU-90 SU-90 SU-90 SU-90 Curing Agent / Initiator 2E4MZ 2E4MZ 2E4MZ HCPK Thermal / photocurable resin TMPTGE TMPTGE TMPTGE TMPTA Water absorbent Calcined dolomite Calcined dolomite Calcined dolomite Calcined dolomite Calcined dolomite Calcined dolomite Calcined dolomite
- silane-modified epoxy resin KSR-177, Kukdo Chemical
- phenoxy resin YP-50, Dowha Chemical
- 10 parts by weight of 2-ethyl-4-methylimidazole Shikoku Chemical
- the water absorbent solution prepared in advance in the homogenized solution was added so that the content of calcined dolomite was 50 parts by weight based on 100 parts by weight of the silane-modified epoxy resin and mixed to prepare a composition.
- composition prepared above was applied to the release surface of the release PET and dried at 110 ° C. for 10 minutes to form a film having a thickness of 50 ⁇ m.
- the thermosetting conditions of the film was thermoset at 100 ° C for 3 hours.
- a film was prepared in the same manner as in Example 1, except that 10 parts by weight of polyester acrylate adhesion promoter (Sartomer, CN704) was added instead of polyisobutenyl succinic anhydride.
- the films of Examples 1 to 4 are excellent in both the adhesive force at room temperature and the adhesive force under high temperature / high humidity, low moisture permeability, and exhibits excellent properties in moisture transmittance.
- Comparative Example 1 does not include polyisobutenyl succinic anhydride, it can be confirmed that the adhesive strength and adhesion reliability under high temperature / high humidity as in the example can not be provided.
- Comparative Example 2 that does not use a polyisobutylene base resin, it can be seen that the high temperature and high humidity adhesive strength is insufficient compared to the case of using a polyisobutylene base resin.
- Comparative Example 3 it can be confirmed that the light transmittance and the adhesive force is lowered due to the lack of compatibility between the adhesive force improving additive and the polyisobutylene base resin.
- polyisobutenyl resin modified with succinic anhydride it has excellent compatibility with polyisobutylene resin, which is a base resin, increases interfacial adhesion due to polar functional groups without impairing transparency, and under high temperature and wet conditions. This leads to an improvement in reliability.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Electroluminescent Light Sources (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
| 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | |
| 베이스 수지 | B100 | B100 | B100 | B100 |
| 극성첨가제 | PIBSA | PIBSA | PIBA | PIBSA |
| 점착 부여제 | SU-90 | SU-90 | SU-90 | SU-90 |
| 경화제/개시제 | 2E4MZ | 2E4MZ | 2E4MZ | HCPK |
| 열/광경화성 수지 | TMPTGE | TMPTGE | TMPTGE | TMPTA |
| 수분 흡수제 | 소성돌로마이트 | 소성돌로마이트 | 소성돌로마이트 | 소성돌로마이트 |
| 비교예 1 | 비교예 2 | 비교예 3 | |
| 베이스 수지 | B100 | YP-50 | B100 |
| 극성첨가제 | - | - | PEA |
| 점착 부여제 | SU-90 | - | SU-90 |
| 경화제/개시제 | 2E4MZ | 2E4MZ | 2E4MZ |
| 열/광경화성 수지 | TMPTGE | KSR-177 | TMPTGE |
| 수분 흡수제 | 소성돌로마이트 | 소성돌로마이트 | 소성돌로마이트 |
| 접착력 (gf/in), 0hr | 접착력 (gf/in), 100hr | 투습도 (g/m2·day) | 수분 차단성* | 투과도(%) | ||
| 실시예 | 1 | 2200 | 1600 | 3 | 1 | 93 |
| 2 | 2000 | 1300 | 4 | 1 | 94 | |
| 3 | 2100 | 1500 | 3 | 1 | 92 | |
| 4 | 2000 | 1400 | 3 | 2 | 94 | |
| 비교예 | 1 | 1400 | 400 | 3 | 3 | - |
| 2 | 2500 | 300 | 12 | 4 | - | |
| 3 | 1500 | 300 | 7 | 3 | - | |
| * 칼슘의 일면에서 일 방향으로 산화된 길이(단위: mm) | ||||||
Claims (18)
- 제 1 항에 있어서, 첨가제는 베이스 수지와 상용성을 가지는 봉지재 필름용 조성물.
- 제 1 항에 있어서, 베이스 수지는 폴리이소부틸렌 또는 이소부틸렌을 90 mol% 이상 포함하는 공중합체인 봉지재 필름용 조성물.
- 제 1 항에 있어서, 극성 관능기는 산무수물기, 아마이드기, 알콕시기, 알코올기, 알데히드기, 카르보닐기, 카르복시기, 에스테르기, 에테르기, 에폭시기, 아미노기, 술폰기, 히드록시기 및 말레산기로 이루어진 군으로부터 선택되는 1종 이상인 봉지재 필름용 조성물.
- 제 1 항에 있어서, 첨가제는 폴리이소부테닐 숙신산 무수물, 폴리이소부테닐 아민 및 폴리이소부테닐 알코올로 이루어진 군으로부터 선택된 1종 이상인 봉지재 필름용 조성물.
- 제 4 항에 있어서, 베이스 수지의 중량평균분자량이 10만 내지 200만인 봉지재 필름용 조성물.
- 제 1 항에 있어서, 상기 베이스 수지 100 중량부에 대하여 1 내지 50 중량부의 첨가제를 포함하는 봉지재 필름용 조성물.
- 제 1 항에 있어서, 수분 흡수제를 추가로 포함하는 봉지재 필름용 조성물.
- 제 9 항에 있어서, 베이스 수지 100 중량부에 대하여 수분 흡수제를 1 중량부 내지 100 중량부로 포함하는 봉지재 필름용 조성물.
- 제 1 항에 있어서, 점착 부여제를 추가로 포함하는 봉지재 필름용 조성물.
- 제 1 항에 있어서, 경화성 수지를 추가로 포함하는 봉지재 필름용 조성물.
- 제 13 항에 있어서, 하기 일반식 1을 만족하는 봉지재 필름:[일반식 1]Pr ≥ 2000 gf/in상기 일반식 1에서, Pr은 상온에서 10 mm/sec의 박리 속도 및 180°의 박리 각도로 측정한 상기 봉지재 필름의 유리에 대한 상기 봉지재 필름의 박리력을 나타낸다.
- 제 13 항에 있어서, 하기 일반식 2를 만족하는 봉지재 필름:[일반식 2]Ph ≥ 500 gf/in상기 일반식 2에서, Ph는 85℃ 및 85%의 상대 습도 조건에서 24 내지 100 시간 유지한 후에, 10 mm/sec의 박리 속도 및 180°의 박리 각도로 측정한 상기 봉지재 필름의 유리에 대한 상기 봉지재 필름의 박리력을 나타낸다.
- 제 13 항에 있어서, 상기 봉지재 필름의 100°F 및 100%의 상대 습도 조건에서의 수분 투과도가 10 g/m2·day 미만인 봉지재 필름.
- 상부 기판; 하부 기판; 및 상기 상부 기판과 하부 기판의 사이에서 소자를 봉지하고 있는 제 13 항의 필름을 포함하는 전자장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/899,978 US9768386B2 (en) | 2013-06-19 | 2014-06-18 | Composition for encapsulation film, encapsulation film, and electronic device comprising the same |
| JP2016521207A JP6195099B2 (ja) | 2013-06-19 | 2014-06-18 | 封止材フィルム及びこれを含む電子装置 |
| EP14813975.1A EP3012284B1 (en) | 2013-06-19 | 2014-06-18 | Composition for encapsulation film, encapsulation film, and electronic device comprising same |
| CN201480035544.XA CN105324420B (zh) | 2013-06-19 | 2014-06-18 | 用于包封膜的组合物、包封膜以及包括该包封膜的电子器件 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20130070636 | 2013-06-19 | ||
| KR10-2013-0070636 | 2013-06-19 | ||
| KR1020140074588A KR101641414B1 (ko) | 2013-06-19 | 2014-06-18 | 봉지재 필름용 조성물, 봉지재 필름 및 이를 포함하는 전자장치 |
| KR10-2014-0074588 | 2014-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014204223A1 true WO2014204223A1 (ko) | 2014-12-24 |
Family
ID=52676408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2014/005386 Ceased WO2014204223A1 (ko) | 2013-06-19 | 2014-06-18 | 봉지재 필름용 조성물, 봉지재 필름 및 이를 포함하는 전자장치 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9768386B2 (ko) |
| EP (1) | EP3012284B1 (ko) |
| JP (1) | JP6195099B2 (ko) |
| KR (1) | KR101641414B1 (ko) |
| CN (1) | CN105324420B (ko) |
| TW (1) | TWI586720B (ko) |
| WO (1) | WO2014204223A1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107592877A (zh) * | 2015-03-24 | 2018-01-16 | 株式会社Lg化学 | 粘合剂组合物 |
| JP2018513889A (ja) * | 2015-03-24 | 2018-05-31 | エルジー・ケム・リミテッド | 接着剤組成物 |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101642568B1 (ko) * | 2013-06-19 | 2016-07-25 | 주식회사 엘지화학 | 봉지재 필름 |
| KR101662889B1 (ko) | 2013-07-19 | 2016-10-05 | 주식회사 엘지화학 | 봉지 조성물 |
| KR101740186B1 (ko) | 2015-03-24 | 2017-05-25 | 주식회사 엘지화학 | 접착제 조성물 |
| KR101995723B1 (ko) * | 2016-01-28 | 2019-07-03 | 주식회사 엘지화학 | 태양전지용 봉지재 시트 및 상기 봉지재 시트를 포함하는 태양전지 모듈 |
| KR20170090225A (ko) * | 2016-01-28 | 2017-08-07 | 주식회사 엘지화학 | 태양전지 봉지재 조성물, 이를 포함하는 태양전지 모듈 및 그 제조방법 |
| EP3725860B1 (en) * | 2017-12-18 | 2024-07-03 | Lg Chem, Ltd. | Composition for encapsulation |
| JP7056187B2 (ja) * | 2018-01-31 | 2022-04-19 | 日本ゼオン株式会社 | 吸湿性樹脂フィルムの製造方法 |
| KR102716547B1 (ko) * | 2018-06-15 | 2024-10-11 | 린텍 가부시키가이샤 | 수지 조성물, 봉지 시트 및 봉지체 |
| JP2022120215A (ja) * | 2019-06-28 | 2022-08-18 | 綜研化学株式会社 | 封止用樹脂組成物、封止シートおよび有機el素子封止構造体 |
| MX2022005367A (es) * | 2019-11-06 | 2022-05-19 | Berry Global Inc | Pelicula envolvente con anhidrido succinico de poliisobutileno. |
| WO2021210756A1 (ko) * | 2020-04-16 | 2021-10-21 | 주식회사 엘지화학 | 에틸렌/알파-올레핀 공중합체를 포함하는 봉지재 필름용 조성물 및 이를 포함하는 봉지재 필름 |
| CN114670517B (zh) * | 2020-12-24 | 2024-01-26 | 利诺士尖端材料有限公司 | 有机电子装置用封装材料及包含其的有机电子装置 |
| KR102729451B1 (ko) * | 2021-12-17 | 2024-11-13 | (주)이녹스첨단소재 | 봉지재용 경화성 조성물 및 이를 포함하는 유기발광소자용 봉지재 |
| WO2025128797A1 (en) | 2023-12-13 | 2025-06-19 | Blue Evolution, Inc | Ecofriendly, biodegradable biological polysaccharide composition for packaging materials |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000080274A (ja) * | 1998-09-04 | 2000-03-21 | Matsushita Electric Works Ltd | 電子部品封止用樹脂組成物およびその製造方法、ならびにこの電子部品封止用樹脂組成物を用いた封止電子部品 |
| JP2011077360A (ja) * | 2009-09-30 | 2011-04-14 | Asahi Kasei E-Materials Corp | 樹脂封止シート及びこれを用いた太陽電池モジュール |
| JP2011152720A (ja) * | 2010-01-27 | 2011-08-11 | Asahi Kasei E-Materials Corp | 樹脂封止シートの製造方法及び樹脂封止シート |
| JP2012015204A (ja) * | 2010-06-29 | 2012-01-19 | Japan Polyethylene Corp | 太陽電池モジュール、それに用いる太陽電池封止材用組成物および太陽電池封止材 |
| KR101224713B1 (ko) * | 2008-11-24 | 2013-01-21 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 에틸렌 공중합체의 블렌드의 봉지제 시트를 포함하는 태양 전지 모듈 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL124842C (ko) * | 1959-08-24 | |||
| US4502970A (en) * | 1982-06-08 | 1985-03-05 | Exxon Research & Engineering Co. | Lubricating oil composition |
| JP2004256668A (ja) * | 2003-02-26 | 2004-09-16 | Mitsui Chemicals Inc | ポリアルキレンコハク酸無水物の製造方法 |
| EP2291477B1 (en) | 2008-06-02 | 2016-03-23 | 3M Innovative Properties Company | Adhesive encapsulating composition and electronic devices made therewith |
| EP2502962B1 (en) | 2009-11-18 | 2015-03-04 | Ajinomoto Co., Inc. | Resin composition |
| TWI523896B (zh) | 2010-07-26 | 2016-03-01 | 東邦化學工業股份有限公司 | 嵌段共聚物及其所成之抗靜電劑 |
| CN104882564B (zh) * | 2010-11-02 | 2019-07-12 | Lg化学株式会社 | 粘合膜和使用其包封有机电子装置的方法 |
| WO2012067741A1 (en) * | 2010-11-16 | 2012-05-24 | 3M Innovative Properties Company | Uv curable anhydride-modified poly(isobutylene) |
| US8663407B2 (en) * | 2010-11-17 | 2014-03-04 | 3M Innovative Properties Company | Isobutylene (Co)polymeric adhesive composition |
| JP2012182407A (ja) | 2011-03-03 | 2012-09-20 | Bridgestone Corp | 太陽電池用封止膜及びこれを用いた太陽電池 |
| US20120322910A1 (en) * | 2011-06-20 | 2012-12-20 | Joon Chatterjee | Radiation curable poly(isobutylene) adhesive copolymers having pendent amine groups |
| KR101919294B1 (ko) | 2012-05-02 | 2018-11-15 | 헨켈 아이피 앤드 홀딩 게엠베하 | 경화성 캡슐화제 및 그의 용도 |
-
2014
- 2014-06-18 CN CN201480035544.XA patent/CN105324420B/zh active Active
- 2014-06-18 KR KR1020140074588A patent/KR101641414B1/ko active Active
- 2014-06-18 WO PCT/KR2014/005386 patent/WO2014204223A1/ko not_active Ceased
- 2014-06-18 US US14/899,978 patent/US9768386B2/en active Active
- 2014-06-18 EP EP14813975.1A patent/EP3012284B1/en active Active
- 2014-06-18 JP JP2016521207A patent/JP6195099B2/ja active Active
- 2014-06-19 TW TW103121230A patent/TWI586720B/zh active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000080274A (ja) * | 1998-09-04 | 2000-03-21 | Matsushita Electric Works Ltd | 電子部品封止用樹脂組成物およびその製造方法、ならびにこの電子部品封止用樹脂組成物を用いた封止電子部品 |
| KR101224713B1 (ko) * | 2008-11-24 | 2013-01-21 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 에틸렌 공중합체의 블렌드의 봉지제 시트를 포함하는 태양 전지 모듈 |
| JP2011077360A (ja) * | 2009-09-30 | 2011-04-14 | Asahi Kasei E-Materials Corp | 樹脂封止シート及びこれを用いた太陽電池モジュール |
| JP2011152720A (ja) * | 2010-01-27 | 2011-08-11 | Asahi Kasei E-Materials Corp | 樹脂封止シートの製造方法及び樹脂封止シート |
| JP2012015204A (ja) * | 2010-06-29 | 2012-01-19 | Japan Polyethylene Corp | 太陽電池モジュール、それに用いる太陽電池封止材用組成物および太陽電池封止材 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3012284A4 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107592877A (zh) * | 2015-03-24 | 2018-01-16 | 株式会社Lg化学 | 粘合剂组合物 |
| JP2018513889A (ja) * | 2015-03-24 | 2018-05-31 | エルジー・ケム・リミテッド | 接着剤組成物 |
| JP2018513888A (ja) * | 2015-03-24 | 2018-05-31 | エルジー・ケム・リミテッド | 接着剤組成物 |
| EP3275941A4 (en) * | 2015-03-24 | 2018-06-13 | LG Chem, Ltd. | Adhesive composition |
| EP3275944A4 (en) * | 2015-03-24 | 2018-07-04 | LG Chem, Ltd. | Adhesive composition |
| US10336919B2 (en) | 2015-03-24 | 2019-07-02 | Lg Chem, Ltd. | Adhesive composition |
| JP2020111755A (ja) * | 2015-03-24 | 2020-07-27 | エルジー・ケム・リミテッド | 接着剤組成物 |
| US11319468B2 (en) | 2015-03-24 | 2022-05-03 | Lg Chem, Ltd. | Adhesive composition |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3012284B1 (en) | 2020-08-26 |
| US9768386B2 (en) | 2017-09-19 |
| JP2016522304A (ja) | 2016-07-28 |
| TW201516079A (zh) | 2015-05-01 |
| CN105324420A (zh) | 2016-02-10 |
| CN105324420B (zh) | 2018-09-04 |
| US20160149131A1 (en) | 2016-05-26 |
| KR101641414B1 (ko) | 2016-07-20 |
| JP6195099B2 (ja) | 2017-09-13 |
| TWI586720B (zh) | 2017-06-11 |
| EP3012284A4 (en) | 2017-03-01 |
| EP3012284A1 (en) | 2016-04-27 |
| KR20140147736A (ko) | 2014-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2013103282A1 (ko) | 봉지용 필름 | |
| KR101641414B1 (ko) | 봉지재 필름용 조성물, 봉지재 필름 및 이를 포함하는 전자장치 | |
| WO2014204257A2 (ko) | 봉지재 필름 | |
| WO2015020408A1 (ko) | 점착제 조성물, 점착 필름 및 이를 이용한 유기전자장치의 제조방법 | |
| WO2014189291A1 (ko) | 봉지 필름 및 이를 이용한 유기전자장치의 봉지 방법 | |
| WO2014189292A1 (ko) | 봉지 필름 및 이를 이용한 유기전자장치의 봉지 방법 | |
| WO2016126130A1 (ko) | 점착제 조성물 | |
| WO2017179907A1 (ko) | 봉지 필름 | |
| WO2019088450A1 (ko) | 유-무기 복합 태양전지 및 유-무기 복합 태양전지 제조방법 | |
| WO2017183833A1 (ko) | 광학용 점착제 조성물 및 이의 경화물을 포함하는 광학용 점착층 | |
| WO2014021696A1 (ko) | 접착 필름 및 이를 이용한 유기전자장치의 봉지 제품 | |
| WO2015126176A1 (ko) | 봉지 필름 및 이를 포함하는 유기전자장치 | |
| WO2017078489A1 (ko) | 광학용 점착제 조성물 및 광학용 점착 필름 | |
| WO2019112175A1 (ko) | 접착제 키트, 이를 포함하는 접착필름 및 봉지재, 및 유기전자장치의 봉지방법 | |
| WO2010074518A2 (ko) | 반도체용 복층구조 접착 필름 및 이를 포함하는 다이본딩필름 | |
| WO2022039492A1 (ko) | 열경화성 수지 조성물, 및 이를 이용한 봉지 필름 | |
| WO2014021697A1 (ko) | 접착 필름 및 이를 이용한 유기전자장치의 봉지 제품 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 201480035544.X Country of ref document: CN |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14813975 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2016521207 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14899978 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2014813975 Country of ref document: EP |







