WO2016133361A1 - 봉지 필름 - Google Patents
봉지 필름 Download PDFInfo
- Publication number
- WO2016133361A1 WO2016133361A1 PCT/KR2016/001603 KR2016001603W WO2016133361A1 WO 2016133361 A1 WO2016133361 A1 WO 2016133361A1 KR 2016001603 W KR2016001603 W KR 2016001603W WO 2016133361 A1 WO2016133361 A1 WO 2016133361A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- encapsulation
- layer
- resin
- film
- electronic device
- Prior art date
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- 238000005538 encapsulation Methods 0.000 title claims abstract description 155
- 239000010410 layer Substances 0.000 claims description 157
- 229920005989 resin Polymers 0.000 claims description 105
- 239000011347 resin Substances 0.000 claims description 105
- 239000000806 elastomer Substances 0.000 claims description 70
- 229920001971 elastomer Polymers 0.000 claims description 64
- 229910052751 metal Inorganic materials 0.000 claims description 64
- 239000002184 metal Substances 0.000 claims description 63
- 239000011241 protective layer Substances 0.000 claims description 52
- 239000003822 epoxy resin Substances 0.000 claims description 36
- 229920000647 polyepoxide Polymers 0.000 claims description 36
- 150000001875 compounds Chemical class 0.000 claims description 25
- 239000003463 adsorbent Substances 0.000 claims description 20
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 14
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 10
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- 229920005672 polyolefin resin Polymers 0.000 claims description 6
- 229920001225 polyester resin Polymers 0.000 claims description 5
- 239000004645 polyester resin Substances 0.000 claims description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229920006122 polyamide resin Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910003437 indium oxide Inorganic materials 0.000 claims description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 2
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 2
- 229920005668 polycarbonate resin Polymers 0.000 claims description 2
- 239000004431 polycarbonate resin Substances 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 2
- 229910001887 tin oxide Inorganic materials 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 106
- -1 polyorganosiloxane Substances 0.000 description 41
- 239000000203 mixture Substances 0.000 description 33
- 125000004432 carbon atom Chemical group C* 0.000 description 30
- 238000001723 curing Methods 0.000 description 22
- 239000003795 chemical substances by application Substances 0.000 description 18
- 239000003999 initiator Substances 0.000 description 17
- 230000004888 barrier function Effects 0.000 description 14
- 125000000217 alkyl group Chemical group 0.000 description 12
- 238000000576 coating method Methods 0.000 description 12
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- 239000011248 coating agent Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
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- 125000000524 functional group Chemical group 0.000 description 9
- 230000009477 glass transition Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 229920001187 thermosetting polymer Polymers 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 6
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 239000003760 tallow Substances 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 5
- 125000002947 alkylene group Chemical group 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 5
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 4
- CQOZJDNCADWEKH-UHFFFAOYSA-N 2-[3,3-bis(2-hydroxyphenyl)propyl]phenol Chemical compound OC1=CC=CC=C1CCC(C=1C(=CC=CC=1)O)C1=CC=CC=C1O CQOZJDNCADWEKH-UHFFFAOYSA-N 0.000 description 4
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 4
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000004840 adhesive resin Substances 0.000 description 4
- 229920006223 adhesive resin Polymers 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- 125000001118 alkylidene group Chemical group 0.000 description 4
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 4
- XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Chemical compound [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 description 4
- 238000012663 cationic photopolymerization Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004843 novolac epoxy resin Substances 0.000 description 4
- 239000011368 organic material Substances 0.000 description 4
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- 230000000704 physical effect Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229910000077 silane Inorganic materials 0.000 description 4
- KWVGIHKZDCUPEU-UHFFFAOYSA-N 2,2-dimethoxy-2-phenylacetophenone Chemical compound C=1C=CC=CC=1C(OC)(OC)C(=O)C1=CC=CC=C1 KWVGIHKZDCUPEU-UHFFFAOYSA-N 0.000 description 3
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229930185605 Bisphenol Natural products 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 239000004305 biphenyl Substances 0.000 description 3
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- 238000005229 chemical vapour deposition Methods 0.000 description 3
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- 229930003836 cresol Natural products 0.000 description 3
- 125000006165 cyclic alkyl group Chemical group 0.000 description 3
- 150000001993 dienes Chemical class 0.000 description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 239000003607 modifier Substances 0.000 description 3
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- 239000000126 substance Substances 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- NJWGQARXZDRHCD-UHFFFAOYSA-N 2-methylanthraquinone Chemical compound C1=CC=C2C(=O)C3=CC(C)=CC=C3C(=O)C2=C1 NJWGQARXZDRHCD-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
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- 239000004593 Epoxy Substances 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 244000028419 Styrax benzoin Species 0.000 description 2
- 235000000126 Styrax benzoin Nutrition 0.000 description 2
- 235000008411 Sumatra benzointree Nutrition 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229920000800 acrylic rubber Polymers 0.000 description 2
- 229920002877 acrylic styrene acrylonitrile Polymers 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 2
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 229920000180 alkyd Polymers 0.000 description 2
- 229960002130 benzoin Drugs 0.000 description 2
- 229940106691 bisphenol a Drugs 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
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- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
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- 238000004132 cross linking Methods 0.000 description 2
- 150000004292 cyclic ethers Chemical class 0.000 description 2
- GHLKSLMMWAKNBM-UHFFFAOYSA-N dodecane-1,12-diol Chemical compound OCCCCCCCCCCCCO GHLKSLMMWAKNBM-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
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- 238000005227 gel permeation chromatography Methods 0.000 description 2
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- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 2
- 235000019382 gum benzoic Nutrition 0.000 description 2
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- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 2
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- 150000001282 organosilanes Chemical class 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 2
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- 230000005855 radiation Effects 0.000 description 2
- 238000005546 reactive sputtering Methods 0.000 description 2
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- 238000004544 sputter deposition Methods 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
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- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
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- JNELGWHKGNBSMD-UHFFFAOYSA-N xanthone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3OC2=C1 JNELGWHKGNBSMD-UHFFFAOYSA-N 0.000 description 2
- RLUFBDIRFJGKLY-UHFFFAOYSA-N (2,3-dichlorophenyl)-phenylmethanone Chemical compound ClC1=CC=CC(C(=O)C=2C=CC=CC=2)=C1Cl RLUFBDIRFJGKLY-UHFFFAOYSA-N 0.000 description 1
- XKSUVRWJZCEYQQ-UHFFFAOYSA-N 1,1-dimethoxyethylbenzene Chemical compound COC(C)(OC)C1=CC=CC=C1 XKSUVRWJZCEYQQ-UHFFFAOYSA-N 0.000 description 1
- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 description 1
- OUPZKGBUJRBPGC-UHFFFAOYSA-N 1,3,5-tris(oxiran-2-ylmethyl)-1,3,5-triazinane-2,4,6-trione Chemical compound O=C1N(CC2OC2)C(=O)N(CC2OC2)C(=O)N1CC1CO1 OUPZKGBUJRBPGC-UHFFFAOYSA-N 0.000 description 1
- 229940058015 1,3-butylene glycol Drugs 0.000 description 1
- DKEGCUDAFWNSSO-UHFFFAOYSA-N 1,8-dibromooctane Chemical compound BrCCCCCCCCBr DKEGCUDAFWNSSO-UHFFFAOYSA-N 0.000 description 1
- OHVLMTFVQDZYHP-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CN1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O OHVLMTFVQDZYHP-UHFFFAOYSA-N 0.000 description 1
- 239000012956 1-hydroxycyclohexylphenyl-ketone Substances 0.000 description 1
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- 239000004417 polycarbonate Substances 0.000 description 1
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910001631 strontium chloride Inorganic materials 0.000 description 1
- AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical compound [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- YRGLXIVYESZPLQ-UHFFFAOYSA-I tantalum pentafluoride Chemical compound F[Ta](F)(F)(F)F YRGLXIVYESZPLQ-UHFFFAOYSA-I 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- RBTVSNLYYIMMKS-UHFFFAOYSA-N tert-butyl 3-aminoazetidine-1-carboxylate;hydrochloride Chemical compound Cl.CC(C)(C)OC(=O)N1CC(N)C1 RBTVSNLYYIMMKS-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- HDUMBHAAKGUHAR-UHFFFAOYSA-J titanium(4+);disulfate Chemical compound [Ti+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O HDUMBHAAKGUHAR-UHFFFAOYSA-J 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 125000005106 triarylsilyl group Chemical group 0.000 description 1
- 125000005409 triarylsulfonium group Chemical group 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- ZOYIPGHJSALYPY-UHFFFAOYSA-K vanadium(iii) bromide Chemical compound [V+3].[Br-].[Br-].[Br-] ZOYIPGHJSALYPY-UHFFFAOYSA-K 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
-
- 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
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/351—Thickness
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/361—Temperature
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/88—Passivation; Containers; Encapsulations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present application relates to an encapsulation film, an organic electronic device including the same, and a manufacturing method of the organic electronic device using the same.
- An organic electronic device refers to a device including an organic material layer that generates an exchange of electric charges using holes and electrons, and examples thereof include a photovoltaic device, a rectifier, Transmitters and organic light emitting diodes (OLEDs); and the like.
- organic light emitting diodes have low power consumption, fast response speed, and are advantageous for thinning a display device or lighting, as compared with conventional light sources.
- OLED has excellent space utilization, and is expected to be applied in various fields including various portable devices, monitors, notebooks, and TVs.
- the present application is capable of forming a structure that can effectively block moisture or oxygen introduced into the organic electronic device from the outside, and provides an encapsulation film having excellent mechanical properties such as handleability and processability.
- the present application relates to an encapsulation film.
- the encapsulation film may be applied to encapsulate or encapsulate an organic electronic device such as, for example, an OLED.
- organic electronic device means an article or device having a structure including an organic material layer that generates an exchange of electric charge using holes and electrons between a pair of electrodes facing each other.
- the photovoltaic device, a rectifier, a transmitter, and an organic light emitting diode (OLED) may be mentioned, but is not limited thereto.
- the organic electronic device may be an OLED.
- the exemplary encapsulation film 10 may include a protective layer 13, a metal layer 12, and an encapsulation layer 11 sequentially formed as shown in FIG. 1.
- the protective layer may have a tensile modulus of 0.01MPa to 500MPa at 25 °C.
- the encapsulation layer may include an adhesive composition or an adhesive composition.
- the present application as described above, relates to an encapsulation film in which a protective layer, a metal layer, and an encapsulation layer are integrally provided.
- warpage of the panel may occur in a high temperature process, and there is a problem that an alignment error of each layer occurs.
- the present application by controlling the range of the tensile modulus of the protective layer as described above, it is possible to prevent the warpage of the panel that may occur due to the characteristics of the organic electronic device encapsulation film subjected to a high temperature process, it is also provided as an integrally encapsulation film Alignment error of can be minimized.
- the protective layer and the metal layer of the present application may satisfy the following general formula (1).
- T p is the thickness of the protective layer
- T m is the thickness of the metal layer.
- the ratio (T p / T m ) of the thickness of the protective layer to the thickness of the metal layer may be 1 or more, 1.3 or more, 1.5 or more, 1.8 or more, 2 or more, or 2.1 or more.
- the protective layer may have a thickness in the range of 40 ⁇ m to 400 ⁇ m, 50 ⁇ m to 380 ⁇ m, 55 ⁇ m to 350 ⁇ m, 60 ⁇ m to 330 ⁇ m, 70 ⁇ m to 300 ⁇ m, or 80 ⁇ m to 280 ⁇ m.
- the thickness of the metal layer ranges from 10 ⁇ m to 100 ⁇ m, 11 ⁇ m to 90 ⁇ m, 12 ⁇ m to 80 ⁇ m, 13 ⁇ m to 70 ⁇ m, 14 ⁇ m to 60 ⁇ m, 15 ⁇ m to 50 ⁇ m or 16 ⁇ m to 45 ⁇ m.
- the present application can prevent damage to the organic electronic device due to external impact during the organic electronic device manufacturing process by controlling the thickness of the protective layer to the above numerical value.
- the present application can provide an organic electronic device having a flexible characteristic by controlling the thickness of the metal layer below the numerical value.
- the thickness of the metal layer and the thickness of the protective layer May satisfy the thickness ratio of the general formula (1).
- the thickness of the protective layer may be 400 ⁇ m or less.
- the present application not only prevents damage to the device, but also prevents warpage of the panel, and minimizes the alignment error of the organic electronic device.
- An organic electronic device encapsulation film that can be applied to a flexible display can be provided.
- the metal layer of the encapsulation film may be transparent and opaque.
- the term metal layer herein may be used in the same sense as the inorganic layer.
- the metal layer may be a metal deposited on a metal foil or a polymer substrate layer of a thin film.
- the polymer base layer may be the above-mentioned protective layer.
- the metal layer may be used without limitation as long as it has a thermal conductivity and a material having moisture barrier property.
- the metal layer may comprise any one of metals, metal oxides, metal nitrides, metal carbides, metal oxynitrides, metal oxyborides, and combinations thereof.
- the metal layer may include an alloy in which one or more metal elements or nonmetal elements are added to one metal, and may include, for example, an iron-nickel alloy or stainless steel (SUS).
- the metal layer may include copper, aluminum nickel, silicon oxide, aluminum oxide, titanium oxide, indium oxide, tin oxide, indium tin oxide, tantalum oxide, zirconium oxide, niobium oxide, and combinations thereof.
- the metal layer may be deposited by electrolytic, rolling, heat evaporation, electron beam evaporation, sputtering, reactive sputtering, chemical vapor deposition, plasma chemical vapor deposition or electron cyclotron resonance source plasma chemical vapor deposition means. In one embodiment of the present application, the metal layer may be deposited by reactive sputtering.
- the metal layer is 50 W / mK or more, 60 W / mK or more, 70 W / mK or more, 80 W / mK or more, 90 W / mK or more, 100 W / mK or more, 110 W / mK or more, 120 W / mK 130 W / mK or more, 140 W / mK or more, 150 W / mK or more, 200 W / mK or more, or 250 W / mK or more.
- the high thermal conductivity quickly releases heat accumulated during the operation of the organic electronic device to the outside, thereby keeping the temperature of the organic electronic device itself lower and reducing the occurrence of cracks and defects.
- thermal conductivity is a degree indicating the ability of a material to transfer heat by conduction, and a unit may be represented by W / mK.
- the unit represents the degree of heat transfer of the material at the same temperature and distance, and means the unit of heat (watt) with respect to the unit of distance (meter) and the unit of temperature (Kelvin).
- the metal layer may have a tensile modulus of 10,000 MPa to 250,000 MPa, 20,000 MPa to 240,000 MPa, or 30,000 MPa to 230,000 MPa at 25 ° C.
- the present application may provide an organic electronic device encapsulation film that can prevent warpage of the panel, minimize alignment errors of the organic electronic device, and be applied to a flexible display. .
- the encapsulation film may include a protective layer.
- the protective layer prevents corrosion of the metal layer when it comes into contact with moisture and prevents damage due to folding or bending during the process.
- the protective layer may have a tensile modulus of 0.01 MPa to 500 MPa at 25 ° C.
- the measurement of the tensile modulus can be carried out by a method known in the art.
- the thickness of the protective layer is prepared to 80 ⁇ m, and the prepared protective layer is cut to a size of 50 mm ⁇ 10 mm (length ⁇ width) in the longitudinal direction of the coating direction during the manufacture to prepare a specimen Afterwards, the specimens were tapered at both ends so that only 25 mm was left in the longitudinal direction. Next, the tensile modulus was measured while holding the taping portion and pulling at a rate of 1 mm / min at 25 ° C.
- the tensile modulus of the protective layer may be in the range of 0.01 MPa to 500 MPa, 0.01 MPa to 450 MPa, 0.5 MPa to 400 MPa or 1 MPa to 350 MPa at 25 ° C.
- the protective layer of the present invention may have a linear expansion coefficient of 60 ppm / K or more or 100 ppm / K or more, and may be 500 ppm / K or less.
- the protective layer may have a low tensile modulus as described above even though the linear expansion coefficient is high.
- the protective layer may include a resin component.
- the material constituting the protective layer is not particularly limited as long as the tensile modulus of elasticity is satisfied.
- the resin component constituting the protective layer polyorganosiloxane, polyimide, styrene resin or elastomer, polyolefin resin or elastomer, polyoxyalkylene resin or elastomer, polyester resin or elastomer, poly Vinyl chloride resin or elastomer, polycarbonate resin or elastomer, polyphenylene sulfide resin or elastomer, polyamide resin or elastomer, acrylate resin or elastomer, epoxy resin or elastomer, silicone resin or elastomer, and fluorine It may include one or more selected from the group consisting of resins or elastomers, but is not limited thereto.
- the resin component may have a glass transition temperature of less than 0 ° C, less than -10 ° C or less than -30 ° C, less than -50 ° C or less than -60 ° C.
- the glass transition temperature is a glass transition temperature after irradiation with ultraviolet radiation of about 1J / cm 2 or more; Or it may refer to the glass transition temperature after the further heat curing after ultraviolet irradiation.
- the protective layer may further include a magnetic body.
- the magnetic material may be made of Fe 3 O 4 , Fe 2. It may be at least one selected from the group consisting of O 3 , MnFe 2 O 4 , BaFe 12 O 19 , SrFe 12 O 19 , CoFe 2 O 4 , Fe, CoPt, and FePt.
- the magnetic body may form a protective layer together with the resin component of the protective layer in powder form.
- the magnetic body may be included in 20 to 400 parts by weight, 50 to 400 parts by weight, 60 to 350 parts by weight, 70 to 300 parts by weight, or 80 to 250 parts by weight based on 100 parts by weight of the resin component. Can be. Since the magnetic material is included above the numerical value, the film may be fixed by a magnet with sufficient magnetic force, and thus, an additional process is not required to fix the film, thereby improving productivity.
- the thermal conductivity of the protective layer may be 0.5 W / mK or more, 0.7 W / mK or more, 1 W / mK or more, 5 W / mK or more, 10 W / mK or more, or 20 W / mK or more, the upper limit is Although not particularly limited, it may be 500 W / mK or less.
- the protective layer can include a thermally conductive filler.
- the thermally conductive filler may be a material known in the art and includes, for example, at least one selected from the group consisting of aluminum oxide, magnesium oxide, calcium oxide, calcium carbonate, boron nitride, aluminum nitride, silicon carbide, and aluminum hydroxide. can do.
- the thermally conductive filler may be included in an amount of 200 to 1500 parts by weight, 300 to 1400 parts by weight, 400 to 1300 parts by weight, or 450 to 1200 parts by weight based on 100 parts by weight of the resin component constituting the protective layer.
- the encapsulation film may include an encapsulation layer.
- the encapsulation layer may be a single layer or a multilayer structure of two or more. When two or more layers constitute the encapsulation layer, the composition of each layer of the encapsulation layer may be the same or different.
- the encapsulation layer may be an adhesive layer including an adhesive composition.
- the encapsulation layer may be an adhesive layer including an adhesive composition.
- the encapsulation layer may include an encapsulation resin.
- the encapsulation resin may have a glass transition temperature of less than 0 ° C, less than -10 ° C or less than -30 ° C, less than -50 ° C or less than -60 ° C.
- the glass transition temperature is a glass transition temperature after irradiation with ultraviolet radiation of about 1J / cm 2 or more; Or it may refer to the glass transition temperature after the further heat curing after ultraviolet irradiation.
- the encapsulation resin is a styrene resin or elastomer, polyolefin resin or elastomer, other elastomer, polyoxyalkylene resin or elastomer, polyester resin or elastomer, polyvinyl chloride resin or elastomer, polycarbonate-based Resins or elastomers, polyphenylenesulfide resins or elastomers, mixtures of hydrocarbons, polyamide resins or elastomers, acrylate resins or elastomers, epoxy resins or elastomers, silicone resins or elastomers, fluorine resins or elastomers or mixtures thereof And the like.
- styrene resin or elastomer in the above 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 copolymer (ASA), styrene-butadiene-styrene block copolymer (SBS), styrene homopolymer or mixtures thereof can be exemplified.
- SEBS styrene-ethylene-butadiene-styrene block copolymer
- SIS styrene-isoprene-styrene block copolymer
- ABS acrylonitrile-butadiene-styrene block copolymer
- ASA acrylon
- olefin resin or elastomer for example, a high density polyethylene resin or an elastomer, a low density polyethylene resin or an elastomer, a polypropylene resin or an elastomer, or a mixture thereof may be exemplified.
- elastomer for example, an ester thermoplastic elastomer, an olefin elastomer, a silicone elastomer, an acrylic elastomer or a mixture thereof may be used.
- polybutadiene resin or elastomer or polyisobutylene resin or elastomer may be used as the olefin thermoplastic elastomer.
- polyoxyalkylene-based resin or elastomer for example, polyoxymethylene-based resin or elastomer, polyoxyethylene-based resin or elastomer or a mixture thereof may be exemplified.
- polyester resin or elastomer for example, polyethylene terephthalate resin or elastomer, polybutylene terephthalate resin or elastomer, or a mixture thereof may be exemplified.
- polyvinyl chloride-based resin or elastomer for example, polyvinylidene chloride and the like can be exemplified.
- mixture of the hydrocarbons for example, hexatriacotane or paraffin may be exemplified.
- polyamide-based resin or elastomer may include nylon and the like.
- acrylate resin or elastomer for example, polybutyl (meth) acrylate and the like can be exemplified.
- epoxy-type resin or elastomer For example, Bisphenol-type, such as bisphenol-A type, bisphenol F-type, bisphenol S-type, and these water additives; 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
- silicone-based resin or elastomer for example, polydimethylsiloxane and the like can be exemplified.
- fluorine-based resin or elastomer polytrifluoroethylene resin or elastomer, polytetrafluoroethylene resin or elastomer, polychlorotrifluoroethylene resin or elastomer, polyhexafluoropropylene resin or elastomer, polyfluorinated Vinylidene, polyvinylidene fluoride, polyfluorinated ethylene propylene or mixtures thereof and the like can be exemplified.
- the above-listed resins or elastomers may be used, for example, by grafting maleic anhydride, or the like, or may be copolymerized with other resins or elastomers or monomers for preparing resins or elastomers, and may be modified with other compounds. It can also be used. Examples of the other compounds include carboxyl-terminated butadiene-acrylonitrile copolymers.
- the encapsulation layer may include, but is not limited to, an olefin elastomer, a silicone elastomer, an acrylic elastomer, and the like, as the encapsulation resin.
- the encapsulation resin may be an olefin resin.
- the olefin resin may be a copolymer of an olefin compound including a diene and one carbon-carbon double bond.
- the olefin compound may include isobutylene, propylene or ethylene
- the diene may be a monomer polymerizable with the olefin compound, for example, 1-butene, 2-butene, isoprene or butadiene, and the like. It may include.
- the sealing resin of this invention is a homopolymer of isobutylene monomer, for example; Copolymers obtained by copolymerizing isobutylene monomers with other monomers polymerizable; Or mixtures thereof.
- the copolymer of the olefinic compound and diene containing one carbon-carbon double bond may be butyl rubber.
- the resin or elastomer component in the encapsulation layer may have a weight average molecular weight (Mw) of the adhesive composition can be molded into a film shape.
- Mw weight average molecular weight
- the resin or elastomer may have a weight average molecular weight of about 100,000 to 2 million, 100,000 to 1.5 million or 100,000 to 1 million.
- the term weight average molecular weight means a conversion value with respect to standard polystyrene measured by gel permeation chromatography (GPC).
- GPC gel permeation chromatography
- the above-mentioned weight average molecular weight does not necessarily have to be the resin or the elastomer component.
- a separate binder resin may be blended into the pressure-sensitive adhesive composition.
- the encapsulation resin according to the present application can be a curable resin.
- the specific kind of curable resin that can be used in the present invention is not particularly limited, and various thermosetting or photocurable resins known in the art may be used.
- thermosetting resin means a resin that can be cured through an appropriate heat application or aging process
- photocurable resin means a resin that can be cured by irradiation of electromagnetic waves.
- the curable resin may be a dual curable resin including both thermosetting and photocuring properties.
- curable resin in this application will not be restrict
- it may be cured to exhibit adhesive properties, and may include one or more thermosetting functional groups such as glycidyl group, isocyanate group, hydroxy group, carboxyl group or amide group, or may be an epoxide group or a cyclic ether. and resins containing at least one functional group curable by irradiation of electromagnetic waves such as a (cyclic ether) group, a sulfide group, an acetal group, or a lactone group.
- specific types of the resin may include an acrylic resin, a polyester resin, an isocyanate resin, an epoxy resin, and the like, but is not limited thereto.
- the curable resin aromatic or aliphatic; Or an epoxy resin of linear or branched chain type can be used.
- an epoxy resin having an epoxy equivalent of 180 g / eq to 1,000 g / eq may be used as containing two or more functional groups.
- an epoxy resin having an epoxy equivalent in the above range it is possible to effectively maintain properties such as adhesion performance and glass transition temperature of the cured product.
- examples of such epoxy resins include cresol novolac epoxy resins, bisphenol A epoxy resins, bisphenol A novolac epoxy resins, phenol novolac epoxy resins, tetrafunctional epoxy resins, biphenyl epoxy resins, and triphenol methane types.
- a kind or mixture of an epoxy resin, an alkyl modified triphenol methane epoxy resin, a naphthalene type epoxy resin, a dicyclopentadiene type epoxy resin, or a dicyclopentadiene modified phenol type epoxy resin is mentioned.
- an epoxy resin containing a cyclic structure in a molecular structure can be used as the curable resin, and an epoxy resin containing an aromatic group (for example, a phenyl group) can be used.
- an epoxy resin containing an aromatic group for example, a phenyl group
- the cured product may have excellent thermal and chemical stability while exhibiting low moisture absorption, thereby improving reliability of the organic electronic device encapsulation structure.
- aromatic group-containing epoxy resin examples include biphenyl type epoxy resin, dicyclopentadiene type epoxy resin, naphthalene type epoxy resin, dicyclopentadiene modified phenol type epoxy resin, cresol type epoxy resin, Bisphenol-based epoxy resins, xylox-based epoxy resins, polyfunctional epoxy resins, phenol novolac epoxy resins, triphenol methane-type epoxy resins and alkyl-modified triphenol methane epoxy resins, such as one or a mixture of two or more, but is not limited thereto. no.
- the epoxy resin a silane-modified epoxy resin or a silane-modified epoxy resin having an aromatic group can be used.
- an epoxy resin modified with silane and structurally having a silane group is used, the adhesion of the organic electronic device to the glass substrate or the substrate inorganic material can be maximized, and the moisture barrier property, durability and reliability can be improved.
- the specific kind of the above epoxy resin that can be used in the present invention is not particularly limited, and such a resin can be easily obtained from a place of purchase such as, for example, National Chemical.
- the encapsulation layer of the present application may have a high compatibility with the encapsulation resin, and may include an active energy ray-polymerizable compound capable of forming a specific crosslinked structure together with the encapsulation resin.
- the encapsulation layer of the present application may include a polyfunctional active energy ray polymerizable compound that can be polymerized together with the encapsulation resin by irradiation of active energy rays.
- the active energy ray-polymerizable compound is, for example, a functional group capable of participating in a polymerization reaction by irradiation of active energy rays, for example, a functional group including an ethylenically unsaturated double bond such as acryloyl group or methacryloyl group It may mean a compound containing two or more functional groups, such as an epoxy group or an oxetane group.
- polyfunctional active energy ray polymerizable compound for example, polyfunctional acrylate (MFA) can be used.
- MFA polyfunctional acrylate
- the multifunctional active energy ray polymerizable compound which may be polymerized by the irradiation of the active energy ray may satisfy the following formula (1).
- the active energy ray-polymerizable compound is 5 parts by weight to 30 parts by weight, 5 parts by weight to 25 parts by weight, 8 parts by weight to 20 parts by weight, 10 parts by weight to 18 parts by weight, or 12 parts by weight of 100 parts by weight of the encapsulating resin. It may be included in the weight part to 18 weight part.
- R 1 is hydrogen or an alkyl group having 1 to 4 carbon atoms
- n is an integer of 2 or more
- X represents a residue derived from a straight, branched or cyclic alkyl group having 3 to 30 carbon atoms.
- X may be, for example, a residue derived from a cyclic alkyl group having 3 to 30 carbon atoms, 6 to 28 carbon atoms, 8 to 22 carbon atoms, or 12 to 20 carbon atoms. have.
- X when X is a residue derived from a straight alkyl group, X may be a residue derived from a straight alkyl group having 3 to 30 carbon atoms, 6 to 25 carbon atoms, or 8 to 20 carbon atoms. In addition, when X is a residue derived from a branched alkyl group, X may be a residue derived from a branched alkyl group having 3 to 30 carbon atoms, 5 to 25 carbon atoms, or 6 to 20 carbon atoms.
- the term “residue derived from an alkyl group” may mean a residue composed of an alkyl group as a residue of a specific compound.
- X when n is 2, X may be an alkylene group.
- X when n is 3 or more, X may be bonded to the (meth) acryloyl group of Formula 1 by desorbing two or more hydrogens of the alkyl group.
- alkyl group includes 1 to 30 carbon atoms, 1 to 25 carbon atoms, 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 mean an alkyl group.
- the alkyl group may have a linear, branched or cyclic structure, and may be optionally substituted with one or more substituents.
- alkylene group or “alkylidene group” means 2 to 30 carbon atoms, 2 to 25 carbon atoms, 2 to 20 carbon atoms, 2 to 16 carbon atoms, unless otherwise specified. 12, an alkylene group or an alkylidene group having 2 to 10 carbon atoms or 2 to 8 carbon atoms.
- the alkylene group or alkylidene group may be linear, branched or cyclic.
- the alkylene group or alkylidene group may be optionally substituted with one or more substituents.
- alkoxy group may mean an alkoxy 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, unless otherwise specified.
- the alkoxy group may be linear, branched or cyclic.
- the alkoxy group may be optionally substituted with one or more substituents.
- the polyfunctional active energy ray polymerizable compound which can be polymerized by irradiation of the active energy ray can be used without limitation as long as it satisfies the formula (1).
- the compound may be 1,4-butanediol di (meth) acrylate, 1,3-butylene glycol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, 1,8- Octanediol di (meth) acrylate, 1,12-dodecanediol di (meth) acrylate, neopentylglycol di (meth) acrylate, dicyclopentanyl di (meth) acrylate, cyclo Hexane-1,4-dimethanol di (meth) acrylate, tricyclodecane dimethanol (meth) diacrylate, dimethylol dicyclopentane di (meth) acrylate, neopentylglycol modified tri
- the polyfunctional active energy ray polymerizable compound for example, a compound having a molecular weight of less than 1,000 and containing two or more functional groups can be used.
- the molecular weight may mean a weight average molecular weight or a conventional molecular weight.
- the ring structure included in the polyfunctional active energy ray polymerizable compound may be a carbocyclic structure or a heterocyclic structure; Or any of a monocyclic or polycyclic structure.
- the encapsulation layer may further comprise a radical initiator.
- the radical initiator may be a photoinitiator or a thermal initiator.
- Specific types of photoinitiators may be appropriately selected in consideration of the curing rate and the possibility of yellowing. For example, a benzoin type, a hydroxy ketone type, an amino ketone type, or a phosphine oxide type photoinitiator etc.
- benzoin benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether , Benzoin n-butyl ether, benzoin isobutyl ether, acetophenone, dimethylanino acetophenone, 2,2-dimethoxy-2-phenylacetophenone, 2,2-diethoxy-2-phenylacetophenone, 2 -Hydroxy-2-methyl-1-phenylpropane-1one, 1-hydroxycyclohexylphenylketone, 2-methyl-1- [4- (methylthio) phenyl] -2-morpholino-propane-1- On, 4- (2-hydroxyethoxy) phenyl-2- (hydroxy-2-propyl) ketone, benzophenone, p-phenylbenzophenone, 4,4'-diethylaminobenzophenone, dichlorobenzophenone, 2-methylanthraquinone, 2-
- the radical initiator may be included in a ratio of 0.2 to 20 parts by weight, 0.5 to 18 parts by weight, 1 to 15 parts by weight, or 2 to 13 parts by weight based on 100 parts by weight of the active energy ray-polymerizable compound.
- the encapsulation layer can further include a thermosetting compound.
- the thermosetting compound may comprise the aforementioned multifunctional acrylate.
- Such polyfunctional acrylates may be crosslinked by the above-described thermal radical initiators or curing agents.
- the encapsulation layer of the encapsulation film may further include a curing agent, depending on the type of encapsulation resin.
- a curing agent that can react with the encapsulation resin described above to form a crosslinked structure or the like.
- An appropriate kind can be selected and used according to the kind of sealing resin or the functional group contained in the resin for a hardening
- the curing agent is 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 kind or more than one kind may be used, but 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 proportion of the encapsulating 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 encapsulating resin.
- the weight ratio may be changed depending on the type and ratio of the encapsulating resin or functional group of the resin, or the crosslinking density to be implemented.
- the sealing resin is a resin which can be cured by irradiation of active energy rays
- the initiator for example, a cationic photopolymerization initiator can be used.
- an onium salt or an organometallic salt-based ionizing cation initiator or an organosilane or a latent sulfuric acid-based or non-ionized cationic photopolymerization initiator may be used.
- the onium salt-based initiator include a diaryliodonium salt, a triarylsulfonium salt, an aryldiazonium salt, and the like.
- 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 encapsulation layer may further include a tackifier, and the tackifier may preferably be a hydrogenated cyclic olefin polymer.
- 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 may be selected from those having good compatibility with the pressure-sensitive adhesive composition and excellent in water barrier property and low in organic volatile components.
- 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.
- the content of the tackifier may be selected in consideration of the gel content described below, and, according to one example, 5 parts by weight to 100 parts by weight, 8 to 95 parts by weight with respect to 100 parts by weight of the solid content of the pressure-sensitive adhesive composition It may be included in the ratio of 10 parts by weight to 93 parts by weight or 15 parts by weight to 90 parts by weight.
- the encapsulation layer may further contain a moisture adsorbent, if necessary.
- moisture absorbent may refer to, for example, a substance capable of removing the above through a chemical reaction with moisture or moisture penetrated into a sealing film to be described later.
- the encapsulation layer of the present invention includes a moisture adsorbent, it may not satisfy the light transmittance described later when formed into a film, but may implement excellent moisture barrier property instead.
- the encapsulation layer may be applied to encapsulating the organic electronic device when formed into a film.
- the encapsulation layer is applied to the encapsulation of a top emission type organic electronic device without or containing a small amount of the moisture adsorbent; Or it may be applied to the encapsulation of a bottom emission type organic electronic device, including a moisture absorbent exhibits excellent moisture barrier properties, but is not limited thereto.
- the moisture adsorbent may be present in an evenly dispersed state in the encapsulation layer or encapsulation film.
- the evenly dispersed state may refer to a state in which the water adsorbent is present at the same or substantially the same density in any portion of the encapsulation layer or the encapsulation film.
- the moisture adsorbent that can be used above include metal oxides, sulfates or organic metal oxides.
- examples of the sulfate include magnesium sulfate, sodium sulfate or nickel sulfate
- examples of the organic metal oxide include aluminum oxide octylate.
- the metal oxides include phosphorus pentoxide (P 2 O 5 ), lithium oxide (Li 2 O), sodium oxide (Na 2 O), barium oxide (BaO), calcium oxide (CaO) or magnesium oxide (MgO).
- the metal salts include lithium sulfate (Li 2 SO 4 ), sodium sulfate (Na 2 SO 4 ), calcium sulfate (CaSO 4 ), magnesium sulfate (MgSO 4 ), cobalt sulfate (CoSO 4 ), Sulfates such as gallium sulfate (Ga 2 (SO 4 ) 3 ), titanium sulfate (Ti (SO 4 ) 2 ) or nickel sulfate (NiSO 4 ), calcium chloride (CaCl 2 ), magnesium chloride (MgCl 2 ), strontium chloride (SrCl 2 ), yttrium chloride (YCl 3 ), copper chloride (CuCl 2 ), cesium fluor
- the moisture adsorbent that may be included in the encapsulation layer one type of the above-described structure may be used, or two or more types may be used. In one example, when two or more species are used as the moisture adsorbent, calcined dolomite may be used.
- Such moisture adsorbents can be controlled to an appropriate size depending on the application.
- the average particle diameter of the moisture adsorbent may be controlled to about 10 to 15000 nm.
- the moisture adsorbent 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 content of the moisture adsorbent is not particularly limited and may be appropriately selected in consideration of the desired barrier property.
- the encapsulation layer can also include a moisture barrier if necessary.
- moisture blocker may refer to a material that has no or low reactivity with water but may block or prevent movement of water or moisture in 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 barrier is not particularly limited and may be appropriately selected in consideration of the desired barrier properties.
- the encapsulation layer may include various additives depending on the use and the manufacturing process of the encapsulation film described later in addition to the above-described configuration.
- the encapsulation layer may include a curable material, a crosslinking agent, or a filler in an appropriate range of contents depending on the desired physical properties.
- the encapsulation layer may be formed in a single layer structure as described above, and may also be formed of two or more layers.
- the encapsulation film may include a first layer including the aforementioned encapsulation layer and a second layer including an adhesive resin or an adhesive resin.
- the adhesive resin or adhesive resin included in the second layer may be the same as or different from the above-mentioned encapsulating resin, and may be appropriately selected as desired by a person skilled in the art.
- each of the first and second layers may or may not include a moisture adsorbent.
- the first layer or the second layer has a structure other than the above-described resin, for example, the above-described active energy ray-polymerizable compound, thermosetting compound, radical initiator, tackifier, moisture adsorbent, moisture
- a blocking agent, a dispersing agent or a silane compound may be included, and the configuration of the first layer and the second layer may be the same or different.
- the second layer may include a curable material, a curing agent or a filler in an appropriate range of content depending on the desired physical properties.
- the content of the moisture adsorbent when considering that the encapsulation film is applied to the encapsulation of the organic electronic device, can be controlled in consideration of damage to the device.
- a small amount of the moisture adsorbent may be formed in the layer in contact with the device, or may not include the moisture adsorbent.
- the second layer in contact with the device may comprise 0-20% of the water absorbent based on the total mass of the water absorbent contained in the encapsulation film.
- the first layer not in contact with the device may include 80 to 100% of the water absorbent based on the total mass of the water absorbent contained in the encapsulation film.
- the stacking order of the first layer and the second layer to be additionally stacked is not particularly limited, and the second layer may be formed on the first layer, and conversely, the first layer may be formed on the second layer.
- the encapsulation layer may be composed of three or more layers, for example, the first layer may be included in two or more layers, or the second layer may be included in two or more layers.
- the encapsulation film according to the present invention is produced in a thickness of 100 ⁇ m, the water vapor transmission rate measured for the thickness direction of the film is 50 g / m 2 ⁇ under a relative humidity of 100 ° F and 100%. day or less, 40 g / m 2 ⁇ day or less, 30 g / m 2 ⁇ day or less, 20 g / m 2 ⁇ day or less, or 10 g / m 2 ⁇ day or less.
- the device when applied to the encapsulation or encapsulation structure of the electronic device, the device can be reliably protected by blocking moisture or oxygen that penetrates from the outside.
- Encapsulated or encapsulated structures can be implemented.
- the sealing film further includes a base film or a release film (hereinafter may be referred to as "first film”), and may have a structure in which the sealing layer is formed on the base material or the release film.
- the structure may further include a base material or a release film (hereinafter, sometimes referred to as "second film”) formed on the protective layer.
- the specific kind of the said 1st film which can be used by this application is not specifically limited.
- a general polymer film of this field may be used as the first film.
- a polyethylene terephthalate film, a polytetrafluoroethylene film, a polyethylene film, a polypropylene film, a polybutene film, a polybutadiene film, a vinyl chloride copolymer film, a polyurethane film , Ethylene-vinyl acetate film, ethylene-propylene copolymer film, ethylene-ethyl acrylate copolymer film, ethylene-methyl acrylate copolymer film, polyimide film and the like can be used.
- an appropriate release treatment may be performed on one or both surfaces of the base film or the release film of the present application.
- Alkyd-based, silicone-based, fluorine-based, unsaturated ester-based, polyolefin-based, or wax-based may be used as an example of the release agent used in the release treatment of the base film, and among these, it is preferable to use an alkyd-based, silicone-based, or fluorine-based release agent in terms of heat resistance. Preferred, but not limited to.
- the thickness of the base film or the release film (first film) as described above is not particularly limited and may be appropriately selected depending on the application to be applied.
- the thickness of the first film may be about 10 ⁇ m to 500 ⁇ m, preferably about 20 ⁇ m to 200 ⁇ m. If the thickness is less than 10 ⁇ m, deformation of the base film may occur easily during the manufacturing process. If the thickness is more than 500 ⁇ m, the economy is inferior.
- the thickness of the encapsulation layer included in the encapsulation film of the present application is not particularly limited and may be appropriately selected according to the following conditions in consideration of the use to which the film is applied.
- the thickness of the encapsulation layer may be about 5 ⁇ m to 200 ⁇ m, preferably about 5 ⁇ m to 100 ⁇ m. If the thickness of the encapsulation layer is less than 5 ⁇ m, sufficient water blocking ability cannot be exhibited. If the thickness of the encapsulation layer is less than 200 ⁇ m, it is difficult to ensure fairness. Falls.
- the present application also relates to a method for producing an encapsulation film.
- Exemplary encapsulation film may include molding the encapsulation layer into a film or sheet shape.
- the method may include applying a coating solution including the components constituting the encapsulation layer in a sheet or film form on a substrate or a release film, and drying the applied coating solution.
- the coating liquid can be prepared, for example, by dissolving or dispersing the components of each encapsulation layer described above in an appropriate solvent.
- the encapsulation layer may be prepared by dissolving or dispersing the moisture adsorbent or filler in a solvent, if necessary, and then mixing the pulverized moisture adsorbent or filler with the encapsulating resin.
- the kind of solvent used for coating liquid manufacture is not specifically limited. However, when the drying time of the solvent is too long, or when drying at a high temperature is required, problems may occur in terms of workability or durability of the encapsulation film, and a solvent having a volatilization temperature of 150 ° C. or less may be used. In consideration of film formability, a small amount of a solvent having a volatilization temperature of the above range or more can be mixed and used.
- the solvent include methyl ethyl ketone (MEK), acetone, toluene, dimethylformamide (DMF), methyl cellosolve (MCS), tetrahydrofuran (THF), xylene or N-methylpyrrolidone (NMP).
- MEK methyl ethyl ketone
- DMF dimethylformamide
- MCS methyl cellosolve
- THF tetrahydrofuran
- xylene xylene
- NMP N-methylpyrrol
- the method of applying the coating solution to the substrate or the release film is not particularly limited, and for example, a known coating method such as a knife coat, roll coat, spray coat, gravure coat, curtain coat, comma coat, or lip coat may be applied. Can be.
- the applied coating liquid may be dried to volatilize the solvent and form an encapsulation layer.
- the drying may be performed, for example, for 1 minute to 10 minutes at a temperature of 70 ° C to 150 ° C.
- the conditions of the drying may be changed in consideration of the type of solvent used.
- the method of laminating each of the first layer and the second layer is also not particularly limited.
- the first layer and the second layer formed on a separate release film may be laminated together to form a multi-layered encapsulation film, or a second layer may be directly formed on the first layer, or vice versa. It may be.
- a metal layer and a protective layer may be formed on the encapsulation layer.
- the method of forming the metal layer can be formed using techniques known in the art.
- the metal layer may be formed of a metal foil or may be formed by depositing a metal on the protective layer.
- the metal layer can be produced by electrolytic or rolling.
- the present application also relates to an organic electronic device.
- the organic electronic device as shown in Figure 2, the substrate 21; An organic electronic device 22 formed on the substrate 21; And the aforementioned encapsulation film 10 encapsulating the organic electronic device 22.
- the encapsulation film may encapsulate both an entire surface, for example, an upper side and a side surface of the organic electronic device.
- the encapsulation film may include an encapsulation layer containing an adhesive composition or an adhesive composition in a crosslinked state.
- the organic electronic device may be formed such that the encapsulation layer contacts the entire surface of the organic electronic device.
- the organic electronic device may be, for example, an organic light emitting device.
- the present invention also relates to a method for manufacturing an organic electronic device.
- the organic electronic device may be manufactured using, for example, the encapsulation film.
- the encapsulation layer may be formed as a structural encapsulation layer for efficiently fixing and supporting the substrate and the metal layer while exhibiting excellent moisture barrier property in the organic electronic device.
- the encapsulation layer may be formed as a stable encapsulation layer regardless of the shape of the organic electronic device such as top emission or bottom emission.
- encapsulation layer may refer to an adhesive that covers both the top and side surfaces of the organic electronic device.
- the organic electronic device for example, applying the aforementioned encapsulation film to the substrate on which the organic electronic device is formed to cover the organic electronic device; And it may include the step of curing the encapsulation film.
- the curing step of the encapsulation film means curing of the encapsulation layer.
- the term “curing” may mean that the pressure-sensitive adhesive composition of the present invention forms a crosslinked structure through a heating or UV irradiation step or the like to prepare a pressure-sensitive adhesive.
- the adhesive composition is prepared in the form of an adhesive.
- a transparent electrode is formed on a glass or polymer film used as a substrate by vacuum deposition or sputtering, and a light emitting organic material composed of, for example, a hole transport layer, a light emitting layer, an electron transport layer, and the like on the transparent electrode.
- a light emitting organic material composed of, for example, a hole transport layer, a light emitting layer, an electron transport layer, and the like on the transparent electrode.
- an electrode layer may be further formed on the organic electronic device. Subsequently, the entire surface of the organic electronic device of the substrate subjected to the above process is positioned to cover the encapsulation layer of the encapsulation film.
- the encapsulation film of the present application may be applied to encapsulation or encapsulation of an organic electronic device such as an OLED.
- the film is also capable of forming a structure that can effectively block moisture or oxygen introduced into the organic electronic device from the outside, and excellent mechanical properties such as handleability and processability.
- FIG. 1 is a cross-sectional view showing an encapsulation film according to one example of the present application.
- FIG. 2 is a cross-sectional view illustrating an organic electronic device according to one example of the present application.
- Dow corning's Sylgard 184 (polydimethylsiloxane) was mixed in a weight ratio of 5: 1 and the curing agent to prepare a coating solution for the protective layer, and the coating solution was coated on a 50 ⁇ m aluminum film to a thickness of 100 ⁇ m.
- the prepared encapsulation layer solution was applied to the release surface of the release PET and dried in an oven at 100 ° C. for 15 minutes to form an encapsulation layer having a thickness of 50 ⁇ m, which was then laminated with the aluminum film to prepare an encapsulation film.
- the physical properties of the sample to which the prepared film was irradiated with ultraviolet light at 2 J / cm 2 were measured.
- An encapsulation film was prepared in the same manner as in Example 1, except that the metal layer was formed to have a thickness of 30 ⁇ m.
- An encapsulation film was prepared in the same manner as in Example 1, except that the thickness of the metal layer was 20 ⁇ m.
- An encapsulation film was prepared in the same manner as in Example 1, except that the thickness of the protective layer was formed at 50 ⁇ m.
- An encapsulation film was prepared in the same manner as in Example 1, except that a metal layer (SUS304) having a thickness of 700 ⁇ m was used without forming a protective layer.
- a metal layer SUS304 having a thickness of 700 ⁇ m was used without forming a protective layer.
- An encapsulation film was prepared in the same manner as in Example 1 except that polyethylene terephthalate was used as the protective layer.
- the encapsulation films prepared through Examples and Comparative Examples were placed on a substrate, and the degree of warpage of the films was measured at room temperature after storage for 1 hour in an oven at 100 ° C. Specifically, the distance between the side surface and the bottom surface of the film in which warpage occurred (degree of excitation of the film side) was measured.
- Tensile modulus was measured for the protective layer, the metal layer and the encapsulation layer prepared in Examples and Comparative Examples, respectively.
- the protective layer, the metal layer, and the encapsulation layer were cut in a length of 50 mm ⁇ 10 mm (length ⁇ width) with the coating direction at the time of manufacture, and then the specimen was 25 mm in the longitudinal direction. Both ends were taped to remain.
- the tensile modulus was measured while holding the taping portion and pulling at a rate of 1 mm / min at 25 ° C.
- Comparative Example 2 used PET as a protective layer, even though the PET has a coefficient of linear expansion of about 59.4 ppm / K (polydimethylsiloxane: about 310 ppm / K), as a result of the tensile modulus is out of the present range, the film warpage This occurred quite a bit.
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Abstract
Description
인장 탄성률(MPa) | 휨(mm) | |||
보호층 | 메탈층 | 봉지층 | ||
실시예 1 | 2 | 69,000 | 5 | 4 |
실시예 2 | 2 | 69,000 | 5 | 2.7 |
실시예 3 | 2 | 69,000 | 5 | 1.9 |
실시예 4 | 2 | 69,000 | 5 | 1.9 |
비교예 1 | - | 203,000 | 5 | 4.8 |
비교예 2 | 2350 | 69,000 | 5 | 5 |
Claims (15)
- 25℃에서 0.01MPa 내지 500MPa의 인장 탄성률을 갖는 보호층; 상기 보호층의 일면에 형성된 메탈층; 및 상기 메탈층 상에 형성된 봉지층을 포함하는 유기전자소자 봉지 필름.
- 제 1 항에 있어서, 보호층 및 메탈층은 하기 일반식 1을 만족하는 봉지 필름:[일반식 1]Tp / Tm ≥ 1상기 일반식 1에서, Tp는 보호층의 두께이고, Tm은 메탈층의 두께이다.
- 제 1 항에 있어서, 보호층의 두께는 40 내지 400㎛의 범위 내에 있는 봉지 필름.
- 제 1 항에 있어서, 메탈층의 두께는 10 내지 100㎛의 범위 내에 있는 봉지 필름.
- 제 1 항에 있어서, 메탈층은 25℃에서 10,000MPa 내지 250,000MPa의 인장 탄성률을 갖는 봉지 필름.
- 제 1 항에 있어서, 메탈층은 금속, 산화금속, 질화금속, 탄화금속, 옥시질화금속, 옥시붕화금속, 및 그의 배합물 중 어느 하나를 포함하는 봉지 필름.
- 제 1 항에 있어서, 메탈층은 알루미늄, 구리, 니켈, 산화실리콘, 산화알루미늄, 산화티타늄, 산화인듐, 산화 주석, 산화주석인듐, 산화탄탈룸, 산화지르코늄, 산화니오븀, 및 그들의 배합물 중 어느 하나를 포함하는 봉지 필름.
- 제 1 항에 있어서, 보호층은 폴리오가노실록산, 폴리이미드, 스티렌계 수지 또는 엘라스토머, 폴리올레핀계 수지 또는 엘라스토머, 폴리옥시알킬렌계 수지 또는 엘라스토머, 폴리에스테르계 수지 또는 엘라스토머, 폴리염화비닐계 수지 또는 엘라스토머, 폴리카보네이트계 수지 또는 엘라스토머, 폴리페닐렌설파이드계 수지 또는 엘라스토머, 폴리아미드계 수지 또는 엘라스토머, 아크릴레이트계 수지 또는 엘라스토머, 에폭시계 수지 또는 엘라스토머, 실리콘계 수지 또는 엘라스토머, 및 불소계 수지 또는 엘라스토머로 이루어진 군으로부터 선택된 1 이상인 수지 성분을 포함하는 봉지 필름.
- 제 1 항에 있어서, 봉지층은 단일층 혹은 2 이상의 층으로 형성되어 있는 봉지 필름.
- 제 1 항에 있어서, 봉지층은 봉지 수지를 포함하는 봉지 필름.
- 제 10 항에 있어서, 봉지층은 활성 에너지선 중합성 화합물을 추가로 포함하는 봉지 필름.
- 제 1 항에 있어서, 봉지층은 수분 흡착제를 포함하는 봉지 필름.
- 기판; 기판 상에 형성된 유기전자소자; 및 상기 유기전자소자를 봉지하는 제 1 항에 따른 봉지 필름을 포함하는 유기전자장치.
- 제 13 항에 있어서, 봉지 필름의 봉지층이 유기전자소자의 전면을 커버하고 있는 유기전자장치.
- 상부에 유기전자소자가 형성된 기판에 제 1 항에 따른 봉지 필름이 상기 유기전자소자를 커버하도록 적용하는 단계; 및 상기 봉지 필름을 경화하는 단계를 포함하는 유기전자장치의 제조 방법.
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US15/305,319 US9871224B2 (en) | 2015-02-17 | 2016-02-17 | Encapsulation film |
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