JP2023551711A - 新規な化合物およびこれを利用した有機発光素子 - Google Patents
新規な化合物およびこれを利用した有機発光素子 Download PDFInfo
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- JP2023551711A JP2023551711A JP2023533381A JP2023533381A JP2023551711A JP 2023551711 A JP2023551711 A JP 2023551711A JP 2023533381 A JP2023533381 A JP 2023533381A JP 2023533381 A JP2023533381 A JP 2023533381A JP 2023551711 A JP2023551711 A JP 2023551711A
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 157
- 239000010410 layer Substances 0.000 claims description 84
- 125000004432 carbon atom Chemical group C* 0.000 claims description 53
- 239000000126 substance Substances 0.000 claims description 32
- 125000003118 aryl group Chemical group 0.000 claims description 29
- 239000012044 organic layer Substances 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 15
- 239000011368 organic material Substances 0.000 claims description 14
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 claims description 13
- 125000001072 heteroaryl group Chemical group 0.000 claims description 13
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 12
- 125000003342 alkenyl group Chemical group 0.000 claims description 11
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 11
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 9
- 229910052805 deuterium Inorganic materials 0.000 claims description 9
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 5
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 4
- 150000002825 nitriles Chemical class 0.000 claims description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 4
- BHFOCYFMWUHOLQ-UHFFFAOYSA-N 1,2-dimethyl-11h-benzo[a]fluorene Chemical compound C12=CC=CC=C2CC2=C1C=CC1=CC=C(C)C(C)=C12 BHFOCYFMWUHOLQ-UHFFFAOYSA-N 0.000 claims description 3
- BTYNYTXDGOZYEJ-UHFFFAOYSA-N C1(=CC=CC=C1)C=1C=CC=2C(=C3CC4=CC=CC=C4C3=CC=2)C=1C1=CC=CC=C1 Chemical group C1(=CC=CC=C1)C=1C=CC=2C(=C3CC4=CC=CC=C4C3=CC=2)C=1C1=CC=CC=C1 BTYNYTXDGOZYEJ-UHFFFAOYSA-N 0.000 claims description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- CRXBTDWNHVBEIC-UHFFFAOYSA-N 1,2-dimethyl-9h-fluorene Chemical compound C1=CC=C2CC3=C(C)C(C)=CC=C3C2=C1 CRXBTDWNHVBEIC-UHFFFAOYSA-N 0.000 claims description 2
- QTPLEVOKSWEYAC-UHFFFAOYSA-N 1,2-diphenyl-9h-fluorene Chemical compound C=1C=CC=CC=1C1=C2CC3=CC=CC=C3C2=CC=C1C1=CC=CC=C1 QTPLEVOKSWEYAC-UHFFFAOYSA-N 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 125000004244 benzofuran-2-yl group Chemical group [H]C1=C(*)OC2=C([H])C([H])=C([H])C([H])=C12 0.000 claims description 2
- 239000004305 biphenyl Substances 0.000 claims description 2
- 235000010290 biphenyl Nutrition 0.000 claims description 2
- -1 triethylsilyl group Chemical group 0.000 description 43
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 36
- 238000002347 injection Methods 0.000 description 29
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- 239000000463 material Substances 0.000 description 23
- 238000006243 chemical reaction Methods 0.000 description 21
- 239000000460 chlorine Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 19
- 239000000243 solution Substances 0.000 description 18
- 230000032258 transport Effects 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000008199 coating composition Substances 0.000 description 13
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- 239000002904 solvent Substances 0.000 description 12
- 125000001424 substituent group Chemical group 0.000 description 11
- 230000005525 hole transport Effects 0.000 description 10
- 238000004440 column chromatography Methods 0.000 description 9
- 239000002019 doping agent Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 239000000377 silicon dioxide Substances 0.000 description 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000012267 brine Substances 0.000 description 6
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 6
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 150000004982 aromatic amines Chemical class 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 125000003277 amino group Chemical group 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- UWRZIZXBOLBCON-VOTSOKGWSA-N (e)-2-phenylethenamine Chemical class N\C=C\C1=CC=CC=C1 UWRZIZXBOLBCON-VOTSOKGWSA-N 0.000 description 3
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 3
- 125000002877 alkyl aryl group Chemical group 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 125000003710 aryl alkyl group Chemical group 0.000 description 3
- 125000006267 biphenyl group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 3
- 125000000623 heterocyclic group Chemical group 0.000 description 3
- 238000004770 highest occupied molecular orbital Methods 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- UBOXGVDOUJQMTN-UHFFFAOYSA-N 1,1,2-trichloroethane Chemical compound ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 2
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 description 2
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- 125000005916 2-methylpentyl group Chemical group 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- PFYHAAAQPNMZHO-UHFFFAOYSA-N Methyl 2-methoxybenzoate Chemical compound COC(=O)C1=CC=CC=C1OC PFYHAAAQPNMZHO-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
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- 239000007983 Tris buffer Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 125000003282 alkyl amino group Chemical group 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 125000005264 aryl amine group Chemical group 0.000 description 2
- 125000001769 aryl amino group Chemical group 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- XSIFPSYPOVKYCO-UHFFFAOYSA-N butyl benzoate Chemical compound CCCCOC(=O)C1=CC=CC=C1 XSIFPSYPOVKYCO-UHFFFAOYSA-N 0.000 description 2
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
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- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
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- 230000008021 deposition Effects 0.000 description 2
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- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
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- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
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- 125000006218 1-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- UDONPJKEOAWFGI-UHFFFAOYSA-N 1-methyl-3-phenoxybenzene Chemical compound CC1=CC=CC(OC=2C=CC=CC=2)=C1 UDONPJKEOAWFGI-UHFFFAOYSA-N 0.000 description 1
- 125000006023 1-pentenyl group Chemical group 0.000 description 1
- YBFCBQMICVOSRW-UHFFFAOYSA-N 1-phenylindole Chemical compound C1=CC2=CC=CC=C2N1C1=CC=CC=C1 YBFCBQMICVOSRW-UHFFFAOYSA-N 0.000 description 1
- 125000006017 1-propenyl group Chemical group 0.000 description 1
- MYKQKWIPLZEVOW-UHFFFAOYSA-N 11h-benzo[a]carbazole Chemical group C1=CC2=CC=CC=C2C2=C1C1=CC=CC=C1N2 MYKQKWIPLZEVOW-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
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- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 1
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- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 1
- 125000006024 2-pentenyl group Chemical group 0.000 description 1
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- 125000004975 3-butenyl group Chemical group C(CC=C)* 0.000 description 1
- RIERSGULWXEJKL-UHFFFAOYSA-N 3-hydroxy-2-methylbenzoic acid Chemical compound CC1=C(O)C=CC=C1C(O)=O RIERSGULWXEJKL-UHFFFAOYSA-N 0.000 description 1
- 125000006027 3-methyl-1-butenyl group Chemical group 0.000 description 1
- DDTHMESPCBONDT-UHFFFAOYSA-N 4-(4-oxocyclohexa-2,5-dien-1-ylidene)cyclohexa-2,5-dien-1-one Chemical compound C1=CC(=O)C=CC1=C1C=CC(=O)C=C1 DDTHMESPCBONDT-UHFFFAOYSA-N 0.000 description 1
- 125000004920 4-methyl-2-pentyl group Chemical group CC(CC(C)*)C 0.000 description 1
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- LALRXNPLTWZJIJ-UHFFFAOYSA-N triethylborane Chemical group CCB(CC)CC LALRXNPLTWZJIJ-UHFFFAOYSA-N 0.000 description 1
- WXRGABKACDFXMG-UHFFFAOYSA-N trimethylborane Chemical group CB(C)C WXRGABKACDFXMG-UHFFFAOYSA-N 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- MXSVLWZRHLXFKH-UHFFFAOYSA-N triphenylborane Chemical group C1=CC=CC=C1B(C=1C=CC=CC=1)C1=CC=CC=C1 MXSVLWZRHLXFKH-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 125000001834 xanthenyl group Chemical group C1=CC=CC=2OC3=CC=CC=C3C(C12)* 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- HTPBWAPZAJWXKY-UHFFFAOYSA-L zinc;quinolin-8-olate Chemical compound [Zn+2].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 HTPBWAPZAJWXKY-UHFFFAOYSA-L 0.000 description 1
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Abstract
Description
本出願は、2021年1月4日付の韓国特許出願第10-2021-0000315号および2022年1月3日付の韓国特許出願第10-2022-0000238号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示された全ての内容は本明細書の一部として含まれる。
A1~A5はそれぞれ独立して、炭素数6~60の芳香族環;またはN、OおよびSのうちのいずれか1つ以上を含む炭素数2~60のヘテロ芳香族環であり、
Ar1およびAr2はそれぞれ独立して、置換または非置換の炭素数6~60の芳香族環;または置換または非置換のN、OおよびSのうちのいずれか1つ以上を含む炭素数2~60のヘテロ芳香族環であり、
Rのうちの少なくとも1つはベンゾフラニルであり、残りはそれぞれ独立して、水素;重水素;ハロゲン;ニトリル;ニトロ;アミノ;置換または非置換の炭素数1~60のアルキル;置換または非置換の炭素数3~60のシクロアルキル;置換または非置換の炭素数2~60のアルケニル基;または置換または非置換の炭素数6~60のアリールであるか、または隣接した2つのRが互いに結合して置換または非置換の炭素数3~6のアルキレンを形成する。
本明細書において、
本発明は、前記化学式1で表される化合物を提供する。
前記化学式1で表される化合物は、分子構造内にアミン置換基を導入して化合物のvibronic peakが減少し、これにより発光スペクトルの半値幅が減少して有機発光素子の色純度を向上させることができる。
Ar1、Ar2およびRは上記定義の通りである。
Ar1およびAr2は上記定義の通りであり、
Rのうちの少なくとも1つはベンゾフラニルであり、残りはそれぞれ独立して、水素;重水素;ハロゲン;ニトリル;ニトロ;アミノ;置換または非置換の炭素数1~60のアルキル;置換または非置換の炭素数3~60のシクロアルキル;置換または非置換の炭素数2~60のアルケニル基;または置換または非置換の炭素数6~60のアリールである。
一方、本発明に係る化合物は、溶液工程で有機発光素子の有機物層、特に発光層を形成することができる。具体的には、前記化合物は発光層のドーパント材料として用いられる。そのため、本発明は、上述した本発明に係る化合物および溶媒を含むコーティング組成物を提供する。
また、本発明は、前記化学式1で表される化合物を含む有機発光素子を提供する。一例として、本発明は、第1電極と、前記第1電極に対向して備えられた第2電極と、前記第1電極と前記第2電極との間に備えられた1層以上の有機物層と、を含む有機発光素子であって、前記有機物層のうちの1層以上は前記化学式1で表される化合物を含む、有機発光素子を提供する。
実施例1:化合物BD8の製造
m/z[M+H]+1154.5
m/z[M+H]+1094.6
m/z[M+H]+1094.6
m/z[M+H]+1142.6
m/z[M+H]+1102.1
m/z[M+H]+992.4
m/z[M+H]+932.4
m/z[M+H]+1048.5
m/z[M+H]+1144.6
m/z[M+H]+1044.6
比較例1:化合物Fの製造
m/z[M+H]+=659.6
m/z[M+H]+=659.5
m/z[M+H]+=725.5
実験例1
ITO(indium tin oxide)が500Åの厚さに薄膜コーティングされたガラス基板を洗剤を溶かした蒸留水に入れて超音波洗浄した。この時、洗剤としてはフィッシャー社(Fischer Co.)製品を使用し、蒸留水としてはミリポア社(Millipore Co.)製品のフィルターで2次ろ過した蒸留水を使用した。ITOを30分間洗浄した後、蒸留水で2回繰り返し超音波洗浄を10分間進行した。蒸留水洗浄が終わった後、イソプロピル、アセトンの溶剤で超音波洗浄をし、乾燥させた後、前記基板を5分間洗浄した後、グローブボックスに基板を輸送させた。
発光層のドーパントとして化合物BD8の代わりに下記表1に記載された化合物を使用したことを除いて、前記実験例1と同様の方法で有機発光素子を製造した。
発光層のドーパントとして化合物BD8の代わりに下記表1に記載された化合物を使用したことを除いて、前記実験例1と同様の方法で有機発光素子を製造した。
2 正極
3 発光層
4 負極
5 正孔注入層
6 正孔輸送層
7 発光層
8 電子注入および輸送層
m/z[M+H]+992.4
Claims (12)
- 下記化学式1で表される化合物:
A1~A5はそれぞれ独立して、炭素数6~60の芳香族環;またはN、OおよびSのうちのいずれか1つ以上を含む炭素数2~60のヘテロ芳香族環であり、
Ar1およびAr2はそれぞれ独立して、置換または非置換の炭素数6~60の芳香族環;または置換または非置換のN、OおよびSのうちのいずれか1つ以上を含む炭素数2~60のヘテロ芳香族環であり、
Rのうちの少なくとも1つはベンゾフラニルであり、残りはそれぞれ独立して、水素;重水素;ハロゲン;ニトリル;ニトロ;アミノ;置換または非置換の炭素数1~60のアルキル;置換または非置換の炭素数3~60のシクロアルキル;置換または非置換の炭素数2~60のアルケニル基;または置換または非置換の炭素数6~60のアリールであるか、または隣接した2つのRが互いに結合して置換または非置換の炭素数3~6のアルキレンを形成する。 - A2およびA3が同一であり、A4およびA5が同一である、請求項1に記載の化合物。
- 前記化学式1は、下記化学式1-1で表される、請求項1に記載の化合物:
Ar1、Ar2およびRは請求項1で定義した通りである。 - Ar1およびAr2はそれぞれ独立して、ベンゼン、ビフェニル、ナフタレン、ジメチルフルオレン、ジフェニルフルオレン、ジメチルベンゾフルオレン、またはジフェニルベンゾフルオレン環である、請求項1に記載の化合物。
- Rのうちの少なくとも1つはベンゾフラニルであり、残りはそれぞれ独立して、水素;重水素;または置換または非置換の炭素数1~10のアルキルであるか;または隣接した2つのRが互いに結合して
- Rのうちの少なくとも1つはベンゾフラニルであり、残りはそれぞれ独立して、水素;重水素;メチル;エチル;プロピル;イソプロピル;ブチル;イソブチル;またはtert-ブチルであるか;または隣接した2つのRが互いに結合して
- Rのうちの1~3つがベンゾフラニルである、請求項1に記載の化合物。
- 前記ベンゾフラニルはベンゾフラン-2-イルである、請求項1に記載の化合物。
- 前記化学式1は、下記化学式2~4のうちのいずれか1つで表される、請求項1に記載の化合物:
Ar1およびAr2は請求項1で定義した通りであり、
Rのうちの少なくとも1つはベンゾフラニルであり、残りはそれぞれ独立して、水素;重水素;ハロゲン;ニトリル;ニトロ;アミノ;置換または非置換の炭素数1~60のアルキル;置換または非置換の炭素数3~60のシクロアルキル;置換または非置換の炭素数2~60のアルケニル基;または置換または非置換の炭素数6~60のアリールである。 - 前記化学式1で表される化合物は、下記で構成される群より選択されるいずれか1つである、請求項1に記載の化合物:
- 第1電極と、前記第1電極に対向して備えられた第2電極と、前記第1電極と前記第2電極との間に備えられた1層以上の有機物層と、を含む有機発光素子であって、前記有機物層のうちの1層以上は、請求項1~10のいずれか一項に記載の化合物を含む、有機発光素子。
- 前記化合物を含む有機物層は、発光層である、請求項11に記載の有機発光素子。
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