WO2018074505A1 - 有機ｅｌ表示素子用封止剤 - Google Patents
有機ｅｌ表示素子用封止剤 Download PDFInfo
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- WO2018074505A1 WO2018074505A1 PCT/JP2017/037654 JP2017037654W WO2018074505A1 WO 2018074505 A1 WO2018074505 A1 WO 2018074505A1 JP 2017037654 W JP2017037654 W JP 2017037654W WO 2018074505 A1 WO2018074505 A1 WO 2018074505A1
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- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 16
- 229910010272 inorganic material Inorganic materials 0.000 description 13
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- 238000004519 manufacturing process Methods 0.000 description 4
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- BQZJOQXSCSZQPS-UHFFFAOYSA-N 2-methoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OC)C(=O)C1=CC=CC=C1 BQZJOQXSCSZQPS-UHFFFAOYSA-N 0.000 description 2
- VVBLNCFGVYUYGU-UHFFFAOYSA-N 4,4'-Bis(dimethylamino)benzophenone Chemical compound C1=CC(N(C)C)=CC=C1C(=O)C1=CC=C(N(C)C)C=C1 VVBLNCFGVYUYGU-UHFFFAOYSA-N 0.000 description 2
- SXIFAEWFOJETOA-UHFFFAOYSA-N 4-hydroxy-butyl Chemical group [CH2]CCCO SXIFAEWFOJETOA-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
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- HIYIGPVBMDKPCR-UHFFFAOYSA-N 1,1-bis(ethenoxymethyl)cyclohexane Chemical compound C=COCC1(COC=C)CCCCC1 HIYIGPVBMDKPCR-UHFFFAOYSA-N 0.000 description 1
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- SDXHBDVTZNMBEW-UHFFFAOYSA-N 1-ethoxy-2-(2-hydroxyethoxy)ethanol Chemical compound CCOC(O)COCCO SDXHBDVTZNMBEW-UHFFFAOYSA-N 0.000 description 1
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- YHYCMHWTYHPIQS-UHFFFAOYSA-N 2-(2-hydroxyethoxy)-1-methoxyethanol Chemical compound COC(O)COCCO YHYCMHWTYHPIQS-UHFFFAOYSA-N 0.000 description 1
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- LWRBVKNFOYUCNP-UHFFFAOYSA-N 2-methyl-1-(4-methylsulfanylphenyl)-2-morpholin-4-ylpropan-1-one Chemical compound C1=CC(SC)=CC=C1C(=O)C(C)(C)N1CCOCC1 LWRBVKNFOYUCNP-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- BIDWUUDRRVHZLQ-UHFFFAOYSA-N 3-ethyl-3-(2-ethylhexoxymethyl)oxetane Chemical compound CCCCC(CC)COCC1(CC)COC1 BIDWUUDRRVHZLQ-UHFFFAOYSA-N 0.000 description 1
- JUXZNIDKDPLYBY-UHFFFAOYSA-N 3-ethyl-3-(phenoxymethyl)oxetane Chemical compound C=1C=CC=CC=1OCC1(CC)COC1 JUXZNIDKDPLYBY-UHFFFAOYSA-N 0.000 description 1
- LMIOYAVXLAOXJI-UHFFFAOYSA-N 3-ethyl-3-[[4-[(3-ethyloxetan-3-yl)methoxymethyl]phenyl]methoxymethyl]oxetane Chemical compound C=1C=C(COCC2(CC)COC2)C=CC=1COCC1(CC)COC1 LMIOYAVXLAOXJI-UHFFFAOYSA-N 0.000 description 1
- FMGBDYLOANULLW-UHFFFAOYSA-N 3-isocyanatopropyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCN=C=O FMGBDYLOANULLW-UHFFFAOYSA-N 0.000 description 1
- ATVJXMYDOSMEPO-UHFFFAOYSA-N 3-prop-2-enoxyprop-1-ene Chemical group C=CCOCC=C ATVJXMYDOSMEPO-UHFFFAOYSA-N 0.000 description 1
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 1
- UUEWCQRISZBELL-UHFFFAOYSA-N 3-trimethoxysilylpropane-1-thiol Chemical compound CO[Si](OC)(OC)CCCS UUEWCQRISZBELL-UHFFFAOYSA-N 0.000 description 1
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 1
- WOCGGVRGNIEDSZ-UHFFFAOYSA-N 4-[2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical compound C=1C=C(O)C(CC=C)=CC=1C(C)(C)C1=CC=C(O)C(CC=C)=C1 WOCGGVRGNIEDSZ-UHFFFAOYSA-N 0.000 description 1
- 102100033806 Alpha-protein kinase 3 Human genes 0.000 description 1
- 101710082399 Alpha-protein kinase 3 Proteins 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- GMXOYEFGMAXIIU-UHFFFAOYSA-N C[N+](CC1=CC(=C(C=C1)C)C)(C1=CC=CC=C1)C Chemical compound C[N+](CC1=CC(=C(C=C1)C)C)(C1=CC=CC=C1)C GMXOYEFGMAXIIU-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- NQSMEZJWJJVYOI-UHFFFAOYSA-N Methyl 2-benzoylbenzoate Chemical compound COC(=O)C1=CC=CC=C1C(=O)C1=CC=CC=C1 NQSMEZJWJJVYOI-UHFFFAOYSA-N 0.000 description 1
- QVHMSMOUDQXMRS-UHFFFAOYSA-N PPG n4 Chemical compound CC(O)COC(C)COC(C)COC(C)CO QVHMSMOUDQXMRS-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- MOOIXEMFUKBQLJ-UHFFFAOYSA-N [1-(ethenoxymethyl)cyclohexyl]methanol Chemical compound C=COCC1(CO)CCCCC1 MOOIXEMFUKBQLJ-UHFFFAOYSA-N 0.000 description 1
- DBHQYYNDKZDVTN-UHFFFAOYSA-N [4-(4-methylphenyl)sulfanylphenyl]-phenylmethanone Chemical compound C1=CC(C)=CC=C1SC1=CC=C(C(=O)C=2C=CC=CC=2)C=C1 DBHQYYNDKZDVTN-UHFFFAOYSA-N 0.000 description 1
- 150000008062 acetophenones Chemical class 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- CIZVQWNPBGYCGK-UHFFFAOYSA-N benzenediazonium Chemical compound N#[N+]C1=CC=CC=C1 CIZVQWNPBGYCGK-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AENNXXRRACDJAY-UHFFFAOYSA-N bis(2-dodecylphenyl)iodanium Chemical compound CCCCCCCCCCCCC1=CC=CC=C1[I+]C1=CC=CC=C1CCCCCCCCCCCC AENNXXRRACDJAY-UHFFFAOYSA-N 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- PESYEWKSBIWTAK-UHFFFAOYSA-N cyclopenta-1,3-diene;titanium(2+) Chemical class [Ti+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 PESYEWKSBIWTAK-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000012933 diacyl peroxide Substances 0.000 description 1
- URQUNWYOBNUYJQ-UHFFFAOYSA-N diazonaphthoquinone Chemical compound C1=CC=C2C(=O)C(=[N]=[N])C=CC2=C1 URQUNWYOBNUYJQ-UHFFFAOYSA-N 0.000 description 1
- ONRGBXGMVZEZLY-UHFFFAOYSA-N dimethyl-[(4-methylphenyl)methyl]-phenylazanium Chemical compound C1=CC(C)=CC=C1C[N+](C)(C)C1=CC=CC=C1 ONRGBXGMVZEZLY-UHFFFAOYSA-N 0.000 description 1
- OWZDULOODZHVCQ-UHFFFAOYSA-N diphenyl-(4-phenylsulfanylphenyl)sulfanium Chemical compound C=1C=C([S+](C=2C=CC=CC=2)C=2C=CC=CC=2)C=CC=1SC1=CC=CC=C1 OWZDULOODZHVCQ-UHFFFAOYSA-N 0.000 description 1
- OZLBDYMWFAHSOQ-UHFFFAOYSA-N diphenyliodanium Chemical compound C=1C=CC=CC=1[I+]C1=CC=CC=C1 OZLBDYMWFAHSOQ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- AZDCYKCDXXPQIK-UHFFFAOYSA-N ethenoxymethylbenzene Chemical compound C=COCC1=CC=CC=C1 AZDCYKCDXXPQIK-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 125000005641 methacryl group Chemical group 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- ZCIJAGHWGVCOHJ-UHFFFAOYSA-N naphthalene phenol Chemical compound C1(=CC=CC=C1)O.C1(=CC=CC=C1)O.C1=CC=CC2=CC=CC=C12.C1(=CC=CC=C1)O ZCIJAGHWGVCOHJ-UHFFFAOYSA-N 0.000 description 1
- 125000004923 naphthylmethyl group Chemical group C1(=CC=CC2=CC=CC=C12)C* 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- PBHPFFDRTUWVIT-UHFFFAOYSA-N oxetan-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CCO1 PBHPFFDRTUWVIT-UHFFFAOYSA-N 0.000 description 1
- 125000003566 oxetanyl group Chemical group 0.000 description 1
- AFEQENGXSMURHA-UHFFFAOYSA-N oxiran-2-ylmethanamine Chemical compound NCC1CO1 AFEQENGXSMURHA-UHFFFAOYSA-N 0.000 description 1
- 125000006353 oxyethylene group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000000538 pentafluorophenyl group Chemical group FC1=C(F)C(F)=C(*)C(F)=C1F 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229940044654 phenolsulfonic acid Drugs 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003458 sulfonic acid derivatives Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- HMKGBOLFVMRQRP-UHFFFAOYSA-N tribenzyl(phenyl)azanium Chemical compound C=1C=CC=CC=1C[N+](C=1C=CC=CC=1)(CC=1C=CC=CC=1)CC1=CC=CC=C1 HMKGBOLFVMRQRP-UHFFFAOYSA-N 0.000 description 1
- GAMLUOSQYHLFCT-UHFFFAOYSA-N triethoxy-[3-[(3-ethyloxetan-3-yl)methoxy]propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1(CC)COC1 GAMLUOSQYHLFCT-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- WLOQLWBIJZDHET-UHFFFAOYSA-N triphenylsulfonium Chemical compound C1=CC=CC=C1[S+](C=1C=CC=CC=1)C1=CC=CC=C1 WLOQLWBIJZDHET-UHFFFAOYSA-N 0.000 description 1
- 239000012953 triphenylsulfonium Substances 0.000 description 1
- ULNJZOIDTANZKR-UHFFFAOYSA-N tris[4-(4-acetylphenyl)sulfanylphenyl]sulfanium Chemical compound C1=CC(C(=O)C)=CC=C1SC1=CC=C([S+](C=2C=CC(SC=3C=CC(=CC=3)C(C)=O)=CC=2)C=2C=CC(SC=3C=CC(=CC=3)C(C)=O)=CC=2)C=C1 ULNJZOIDTANZKR-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
- H05B33/04—Sealing arrangements, e.g. against humidity
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/873—Encapsulations
Definitions
- the present invention relates to an encapsulant for an organic EL display element that can be easily applied by an ink jet method, can provide an organic EL display element that is excellent in low outgassing properties and excellent in reliability.
- organic electroluminescence (hereinafter, also referred to as “organic EL”) display element has a laminated structure in which an organic light emitting material layer is sandwiched between a pair of electrodes facing each other, and the organic light emitting material layer is formed from one electrode on the organic light emitting material layer.
- organic EL organic electroluminescence
- the organic EL display element performs self-emission, it has better visibility than a liquid crystal display element that requires a backlight, can be reduced in thickness, and can be driven by a DC low voltage. Has the advantage.
- the upper limit of the volatility after 4 days at 25 ° C. is 1%.
- the volatilization rate after 4 days at 25 ° C. is 1% or less, the obtained sealing agent for organic EL display elements has excellent low outgassing properties, and the obtained organic EL display elements have excellent reliability. It will be a thing.
- a preferable upper limit of the volatilization rate after 4 days at 25 ° C. is 0.5%, and a more preferable upper limit is 0.1%.
- the volatilization rate at 25 ° C. is most preferably 0%.
- the viscosity, the surface tension, and the volatility after 4 days at 25 ° C. are selected and contained for the polymerizable compound, the polymerization initiator, and other components that may be contained, which will be described later.
- the ratio By adjusting the ratio, the above-mentioned range can be obtained.
- the volatilization rate after 4 days at 25 ° C. should be within the above range by adjusting the boiling point and molecular weight of the polymerizable compound described later, or using a hydrogen bonding component as the polymerizable compound. Can do.
- Examples of the hydrogen bonding component include an —OH group, —NH 2 group, —NHR group (R represents an aromatic, aliphatic hydrocarbon, or a derivative thereof), —COOH group, —CONH 2 group. And polymerizable compounds having a functional group such as —NHOH group.
- Examples of the hydrogen bonding component include polymerization having residues such as —R—O— bond, —NHCO— bond, —NH— bond, —CONHCO— bond, —NH—NH— bond in the molecule. And other compounds. Among these, a polymerizable compound having at least one of —OH group and —RO— bond is preferable.
- an epoxy compound an oxetane compound, a vinyl ether compound etc. are mentioned, for example.
- alicyclic epoxy resins are preferred.
- examples of commercially available alicyclic epoxy resins include Celoxide 2000, Celoxide 2021P, Celoxide 2081, Celoxide 3000, Celoxide 8000 (all manufactured by Daicel), and Sunsizer EPS (manufactured by Shin Nippon Rika Kogyo Co., Ltd.). ) And the like.
- the monofunctional (meth) acrylic compound examples include 3,4-epoxycyclohexylmethyl (meth) acrylate, glycidyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate glycidyl ether, and (meth) acrylic.
- the preferred lower limit of the content of the monofunctional (meth) acrylic compound in 100 parts by weight of the polymerizable compound is 20 parts by weight, and the preferred upper limit is 80. Parts by weight.
- the content of the monofunctional (meth) acrylic compound is within this range, the obtained sealing agent for organic EL display elements is excellent due to low outgassing properties and the like.
- the minimum with more preferable content of the said monofunctional (meth) acryl compound is 30 weight part, and a more preferable upper limit is 60 weight part.
- the anion moiety is BF 4 ⁇ , PF 6 ⁇ , SbF 6 ⁇ , or (BX 4 ) ⁇ (where X is substituted with at least two fluorine or trifluoromethyl groups
- a sulfonium salt, a phosphonium salt, an ammonium salt, and the like are preferable.
- sulfonium salt examples include triphenylsulfonium tetrafluoroborate and triphenylsulfonium hexafluoroantimonate.
- Examples of commercially available photo radical polymerization initiators include IRGACURE 184, IRGACURE 369, IRGACURE 379, IRGACURE 651, IRGACURE 819, IRGACURE 907, IRGACURE 2959, IRGACURE OXE01, and Lucin TPO (both benzoin methyl ether, benzoin methyl ether) Examples include ethyl ether and benzoin isopropyl ether (both manufactured by Tokyo Chemical Industry Co., Ltd.).
- the transmittance at 400 nm after irradiating the cured product with ultraviolet rays for 100 hours is preferably 85% or more at an optical path length of 20 ⁇ m.
- the transmittance after irradiating the ultraviolet rays for 100 hours is 85% or more, the transparency is high, the loss of light emission is small, and the color reproducibility is excellent.
- a more preferable lower limit of the transmittance after irradiation with the ultraviolet rays for 100 hours is 90%, and a more preferable lower limit is 95%.
- the light source for irradiating the ultraviolet rays a conventionally known light source such as a xenon lamp or a carbon arc lamp can be used.
- the sealing agent for organic EL display elements of the present invention may have a moisture content of less than 0.5% when the cured product is exposed to an environment of 85 ° C. and 85% RH for 24 hours. preferable.
- the moisture content of the cured product is less than 0.5%, the effect of preventing the deterioration of the organic light emitting material layer due to moisture in the cured product is excellent, and the obtained organic EL display element is excellent in reliability. It becomes.
- a more preferable upper limit of the moisture content of the cured product is 0.3%.
- Examples of the method for measuring the moisture content include a method of obtaining by a Karl Fischer method in accordance with JIS K 7251, and a method of obtaining a weight increment after water absorption in accordance with JIS K 7209-2.
- cured material used for the measurement of the said moisture content is a photocurable sealing agent, it can obtain by irradiating 3000 mJ / cm ⁇ 2 > of ultraviolet rays with a wavelength of 365 nm with a LED lamp to a sealing agent, for example. If it is a thermosetting sealing agent, it can obtain by heating at 80 degreeC for 1 hour, for example.
- Examples of the light irradiation means to the organic EL display element sealant of the present invention include simultaneous irradiation of various light sources, sequential irradiation with a time difference, combined irradiation of simultaneous irradiation and sequential irradiation, and the like. Any irradiation means may be used.
- an encapsulant for an organic EL display element that can be easily applied by an ink jet method, can obtain an organic EL display element that is excellent in low outgassing properties and excellent in reliability. Can do.
- the crucible containing Alq 3 was heated to form an organic light emitting material layer having a thickness of 600 ⁇ at a deposition rate of 15 ⁇ / s. Thereafter, the substrate on which the hole transport layer and the organic light emitting material layer are formed is transferred to another vacuum vapor deposition apparatus, and 200 mg of lithium fluoride is added to a tungsten resistance heating boat in the vacuum vapor deposition apparatus, and an aluminum wire is added to another tungsten boat. 1.0 g was added.
- the obtained sealant for organic EL display element was alkali-washed with an ink-jet discharge device (“NanoPrinter500” manufactured by Microjet Co., Ltd.) with a droplet volume of 30 picoliters (manufactured by Asahi Glass Co., Ltd.). , “AN100”).
- the ink jet discharge performance was evaluated by assuming that “ ⁇ ” indicates that the liquid droplets were normally discharged from the ink jet nozzle and landed on the substrate, and “X” indicates that the liquid droplets were not normally discharged.
- IJH-30 manufactured by IJT was used as an inkjet coating head, and inkjet coating was performed without heating (head temperature 25 ° C.).
Landscapes
- Electroluminescent Light Sources (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020227014108A KR20220061267A (ko) | 2016-10-19 | 2017-10-18 | 유기 el 표시 소자용 봉지제 |
| KR1020187028712A KR102392860B1 (ko) | 2016-10-19 | 2017-10-18 | 유기 el 표시 소자용 봉지제 |
| JP2017556250A JP6404494B2 (ja) | 2016-10-19 | 2017-10-18 | 有機ｅｌ表示素子用封止剤 |
| CN201780023757.4A CN109076661B (zh) | 2016-10-19 | 2017-10-18 | 有机el显示元件用密封剂 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016205486 | 2016-10-19 | ||
| JP2016-205486 | 2016-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018074505A1 true WO2018074505A1 (ja) | 2018-04-26 |
Family
ID=62019492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2017/037654 WO2018074505A1 (ja) | 2016-10-19 | 2017-10-18 | 有機ｅｌ表示素子用封止剤 |
Country Status (5)
| Country | Link |
|---|---|
| JP (3) | JP6404494B2 (ko) |
| KR (2) | KR102392860B1 (ko) |
| CN (1) | CN109076661B (ko) |
| TW (1) | TW201819450A (ko) |
| WO (1) | WO2018074505A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019203180A1 (ja) * | 2018-04-20 | 2019-10-24 | 積水化学工業株式会社 | 有機ｅｌ表示素子用封止剤 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020031941A1 (ja) * | 2018-08-10 | 2020-02-13 | 三井化学株式会社 | 封止剤 |
| CN112912407A (zh) | 2018-12-18 | 2021-06-04 | 积水化学工业株式会社 | 固化性树脂组合物、固化物及有机el显示元件 |
| CN111785845A (zh) * | 2019-04-04 | 2020-10-16 | 上海和辉光电有限公司 | 薄膜封装材料及其制造方法、薄膜封装结构和电子器件 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Also Published As
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|---|---|
| KR20190064531A (ko) | 2019-06-10 |
| CN109076661A (zh) | 2018-12-21 |
| KR102392860B1 (ko) | 2022-04-29 |
| KR20220061267A (ko) | 2022-05-12 |
| JP2022027781A (ja) | 2022-02-14 |
| TW201819450A (zh) | 2018-06-01 |
| JP2018195593A (ja) | 2018-12-06 |
| JPWO2018074505A1 (ja) | 2018-10-25 |
| JP6985228B2 (ja) | 2021-12-22 |
| CN109076661B (zh) | 2021-11-12 |
| JP6404494B2 (ja) | 2018-10-10 |
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