KR20200110577A - 유기금속 화합물 및 이를 포함한 유기 발광 소자 - Google Patents
유기금속 화합물 및 이를 포함한 유기 발광 소자 Download PDFInfo
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- KR20200110577A KR20200110577A KR1020190030024A KR20190030024A KR20200110577A KR 20200110577 A KR20200110577 A KR 20200110577A KR 1020190030024 A KR1020190030024 A KR 1020190030024A KR 20190030024 A KR20190030024 A KR 20190030024A KR 20200110577 A KR20200110577 A KR 20200110577A
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- KR
- South Korea
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- substituted
- unsubstituted
- monovalent non
- aromatic condensed
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- 150000002902 organometallic compounds Chemical class 0.000 title claims abstract description 55
- 239000010410 layer Substances 0.000 claims description 211
- -1 silol group Chemical group 0.000 claims description 193
- 150000001875 compounds Chemical class 0.000 claims description 182
- 125000003118 aryl group Chemical group 0.000 claims description 138
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 76
- 125000003367 polycyclic group Chemical group 0.000 claims description 67
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 66
- 229910052805 deuterium Inorganic materials 0.000 claims description 66
- 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 claims description 63
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 63
- 125000006267 biphenyl group Chemical group 0.000 claims description 59
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 56
- 125000001624 naphthyl group Chemical group 0.000 claims description 56
- 229910052799 carbon Inorganic materials 0.000 claims description 55
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 claims description 52
- 125000000717 hydrazino group Chemical group [H]N([*])N([H])[H] 0.000 claims description 52
- 125000005638 hydrazono group Chemical group 0.000 claims description 52
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 52
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 52
- 125000004585 polycyclic heterocycle group Chemical group 0.000 claims description 51
- 125000006749 (C6-C60) aryl group Chemical group 0.000 claims description 50
- 125000006717 (C3-C10) cycloalkenyl group Chemical group 0.000 claims description 49
- 125000006376 (C3-C10) cycloalkyl group Chemical group 0.000 claims description 49
- 239000012044 organic layer Substances 0.000 claims description 49
- 125000006753 (C1-C60) heteroaryl group Chemical group 0.000 claims description 46
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 43
- 125000002837 carbocyclic group Chemical group 0.000 claims description 41
- 125000006743 (C1-C60) alkyl group Chemical group 0.000 claims description 40
- 125000006744 (C2-C60) alkenyl group Chemical group 0.000 claims description 39
- 125000006745 (C2-C60) alkynyl group Chemical group 0.000 claims description 39
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims description 39
- 125000006746 (C1-C60) alkoxy group Chemical group 0.000 claims description 38
- 230000005525 hole transport Effects 0.000 claims description 38
- 229910052757 nitrogen Inorganic materials 0.000 claims description 38
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 36
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 claims description 36
- 229910052739 hydrogen Inorganic materials 0.000 claims description 35
- 239000001257 hydrogen Substances 0.000 claims description 35
- 125000006751 (C6-C60) aryloxy group Chemical group 0.000 claims description 34
- 125000000623 heterocyclic group Chemical group 0.000 claims description 33
- 125000004366 heterocycloalkenyl group Chemical group 0.000 claims description 33
- 238000002347 injection Methods 0.000 claims description 33
- 239000007924 injection Substances 0.000 claims description 33
- 150000002431 hydrogen Chemical class 0.000 claims description 31
- 239000002019 doping agent Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 29
- 125000006752 (C6-C60) arylthio group Chemical group 0.000 claims description 28
- 230000000903 blocking effect Effects 0.000 claims description 27
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 26
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 21
- 125000001041 indolyl group Chemical group 0.000 claims description 19
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 claims description 19
- 239000000126 substance Substances 0.000 claims description 19
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 18
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 17
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 claims description 17
- 125000003373 pyrazinyl group Chemical group 0.000 claims description 17
- 125000004429 atom Chemical group 0.000 claims description 16
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 claims description 16
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 125000001424 substituent group Chemical group 0.000 claims description 15
- GBXQPDCOMJJCMJ-UHFFFAOYSA-M trimethyl-[6-(trimethylazaniumyl)hexyl]azanium;bromide Chemical compound [Br-].C[N+](C)(C)CCCCCC[N+](C)(C)C GBXQPDCOMJJCMJ-UHFFFAOYSA-M 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 229910052698 phosphorus Inorganic materials 0.000 claims description 14
- 125000002883 imidazolyl group Chemical group 0.000 claims description 13
- 125000000842 isoxazolyl group Chemical group 0.000 claims description 13
- 125000003226 pyrazolyl group Chemical group 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 229910052717 sulfur Inorganic materials 0.000 claims description 13
- 125000001072 heteroaryl group Chemical group 0.000 claims description 12
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 12
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 11
- 125000005842 heteroatom Chemical group 0.000 claims description 10
- 239000010948 rhodium Substances 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 10
- 125000005577 anthracene group Chemical group 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 239000010931 gold Substances 0.000 claims description 9
- 125000002971 oxazolyl group Chemical group 0.000 claims description 9
- 125000001425 triazolyl group Chemical group 0.000 claims description 9
- 125000005580 triphenylene group Chemical group 0.000 claims description 9
- IYYZUPMFVPLQIF-ALWQSETLSA-N dibenzothiophene Chemical group C1=CC=CC=2[34S]C3=C(C=21)C=CC=C3 IYYZUPMFVPLQIF-ALWQSETLSA-N 0.000 claims description 8
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 claims description 8
- 125000005581 pyrene group Chemical group 0.000 claims description 8
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 7
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical group C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 claims description 7
- 125000003828 azulenyl group Chemical group 0.000 claims description 7
- 125000005578 chrysene group Chemical group 0.000 claims description 7
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 229910052709 silver Inorganic materials 0.000 claims description 7
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 6
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical group N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052771 Terbium Inorganic materials 0.000 claims description 6
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical group C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 claims description 6
- 125000003342 alkenyl group Chemical group 0.000 claims description 6
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical group C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 claims description 6
- ZLTPDFXIESTBQG-UHFFFAOYSA-N isothiazole Chemical group C=1C=NSC=1 ZLTPDFXIESTBQG-UHFFFAOYSA-N 0.000 claims description 6
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical group C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 6
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical group C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 claims description 5
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 claims description 5
- 229910052693 Europium Inorganic materials 0.000 claims description 5
- 241001122767 Theaceae Species 0.000 claims description 5
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052775 Thulium Inorganic materials 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 229910052735 hafnium Inorganic materials 0.000 claims description 5
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052741 iridium Inorganic materials 0.000 claims description 5
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 5
- 229910052762 osmium Inorganic materials 0.000 claims description 5
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 5
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 claims description 5
- 229910052703 rhodium Inorganic materials 0.000 claims description 5
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 5
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims description 5
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 5
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- UGUHFDPGDQDVGX-UHFFFAOYSA-N 1,2,3-thiadiazole Chemical group C1=CSN=N1 UGUHFDPGDQDVGX-UHFFFAOYSA-N 0.000 claims description 4
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical group C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 claims description 4
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 claims description 4
- 229910052702 rhenium Inorganic materials 0.000 claims description 4
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 4
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 claims description 3
- AUONHKJOIZSQGR-UHFFFAOYSA-N oxophosphane Chemical compound P=O AUONHKJOIZSQGR-UHFFFAOYSA-N 0.000 claims description 3
- 125000000168 pyrrolyl group Chemical group 0.000 claims description 3
- FLTNWMFPQFIBDA-UHFFFAOYSA-N 1,2,3,4-tetrahydronaphthalene Chemical group C1=CC=C2CCCCC2=C1.C1=CC=C2CCCCC2=C1 FLTNWMFPQFIBDA-UHFFFAOYSA-N 0.000 claims description 2
- FNQJDLTXOVEEFB-UHFFFAOYSA-N 1,2,3-benzothiadiazole Chemical group C1=CC=C2SN=NC2=C1 FNQJDLTXOVEEFB-UHFFFAOYSA-N 0.000 claims description 2
- AELZBFQHFNMGJS-UHFFFAOYSA-N 1h-1-benzosilole Chemical group C1=CC=C2[SiH2]C=CC2=C1 AELZBFQHFNMGJS-UHFFFAOYSA-N 0.000 claims description 2
- ZKAMEFMDQNTDFK-UHFFFAOYSA-N 1h-imidazo[4,5-b]pyrazine Chemical group C1=CN=C2NC=NC2=N1 ZKAMEFMDQNTDFK-UHFFFAOYSA-N 0.000 claims description 2
- AMFYRKOUWBAGHV-UHFFFAOYSA-N 1h-pyrazolo[4,3-b]pyridine Chemical group C1=CN=C2C=NNC2=C1 AMFYRKOUWBAGHV-UHFFFAOYSA-N 0.000 claims description 2
- JCZAVVUIFWZMQI-UHFFFAOYSA-N 1h-thieno[2,3-d]imidazole Chemical group N1C=NC2=C1C=CS2 JCZAVVUIFWZMQI-UHFFFAOYSA-N 0.000 claims description 2
- LJMZRBZETLXDSO-UHFFFAOYSA-N 1h-thieno[3,2-c]pyrazole Chemical group N1N=CC2=C1C=CS2 LJMZRBZETLXDSO-UHFFFAOYSA-N 0.000 claims description 2
- IDKLNGUDPJCFML-UHFFFAOYSA-N 2,3-dihydro-1h-imidazo[4,5-b]pyridine Chemical group C1=CN=C2NCNC2=C1 IDKLNGUDPJCFML-UHFFFAOYSA-N 0.000 claims description 2
- SNTWKPAKVQFCCF-UHFFFAOYSA-N 2,3-dihydro-1h-triazole Chemical group N1NC=CN1 SNTWKPAKVQFCCF-UHFFFAOYSA-N 0.000 claims description 2
- FBCMMVYNIPHHOV-UHFFFAOYSA-N 5H-[1]benzosilolo[3,2-b]pyridine Chemical group N1=CC=CC2=C1C1=C([SiH2]2)C=CC=C1 FBCMMVYNIPHHOV-UHFFFAOYSA-N 0.000 claims description 2
- BLYCANXALSORHF-UHFFFAOYSA-N 5H-[1]benzosilolo[3,2-d]pyrimidine Chemical group N1=CN=CC2=C1C1=C([SiH2]2)C=CC=C1 BLYCANXALSORHF-UHFFFAOYSA-N 0.000 claims description 2
- NSBVOLBUJPCPFH-UHFFFAOYSA-N 5h-pyrido[3,2-b]indole Chemical group C1=CN=C2C3=CC=CC=C3NC2=C1 NSBVOLBUJPCPFH-UHFFFAOYSA-N 0.000 claims description 2
- IADMQABXGAXDPF-UHFFFAOYSA-N 5h-pyrimido[5,4-b]indole Chemical group N1=CN=C2C3=CC=CC=C3NC2=C1 IADMQABXGAXDPF-UHFFFAOYSA-N 0.000 claims description 2
- PFWJFKBTIBAASX-UHFFFAOYSA-N 9h-indeno[2,1-b]pyridine Chemical group C1=CN=C2CC3=CC=CC=C3C2=C1 PFWJFKBTIBAASX-UHFFFAOYSA-N 0.000 claims description 2
- KPXWJZVFWZHULA-UHFFFAOYSA-N 9h-indeno[2,1-d]pyrimidine Chemical group N1=CN=C2CC3=CC=CC=C3C2=C1 KPXWJZVFWZHULA-UHFFFAOYSA-N 0.000 claims description 2
- RVIUATQSMDHXMU-UHFFFAOYSA-N C1=NC=CC=2CCCCC12.C1=NC=CC=2CCCCC12 Chemical group C1=NC=CC=2CCCCC12.C1=NC=CC=2CCCCC12 RVIUATQSMDHXMU-UHFFFAOYSA-N 0.000 claims description 2
- UCZOYEAYDXCZLX-UHFFFAOYSA-N N1=CC=CC=2CCCCC12.N1=CC=CC=2CCCCC12 Chemical compound N1=CC=CC=2CCCCC12.N1=CC=CC=2CCCCC12 UCZOYEAYDXCZLX-UHFFFAOYSA-N 0.000 claims description 2
- FBVBNCGJVKIEHH-UHFFFAOYSA-N [1]benzofuro[3,2-b]pyridine Chemical group C1=CN=C2C3=CC=CC=C3OC2=C1 FBVBNCGJVKIEHH-UHFFFAOYSA-N 0.000 claims description 2
- ITOKSWHFPQBNSE-UHFFFAOYSA-N [1]benzofuro[3,2-d]pyrimidine Chemical group N1=CN=C2C3=CC=CC=C3OC2=C1 ITOKSWHFPQBNSE-UHFFFAOYSA-N 0.000 claims description 2
- WIUZHVZUGQDRHZ-UHFFFAOYSA-N [1]benzothiolo[3,2-b]pyridine Chemical group C1=CN=C2C3=CC=CC=C3SC2=C1 WIUZHVZUGQDRHZ-UHFFFAOYSA-N 0.000 claims description 2
- OICJTSLHQGDCTQ-UHFFFAOYSA-N [1]benzothiolo[3,2-d]pyrimidine Chemical group N1=CN=C2C3=CC=CC=C3SC2=C1 OICJTSLHQGDCTQ-UHFFFAOYSA-N 0.000 claims description 2
- MXMZCLLIUQEKSN-UHFFFAOYSA-N benzimidazoline Chemical group C1=CC=C2NCNC2=C1 MXMZCLLIUQEKSN-UHFFFAOYSA-N 0.000 claims description 2
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 claims description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical group C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 claims description 2
- 125000004925 dihydropyridyl group Chemical group N1(CC=CC=C1)* 0.000 claims description 2
- LUYLXKVCWZDVBW-UHFFFAOYSA-N N1CNC2=C1C=NC=N2.N2CNC1=C2C=NC=N1 Chemical group N1CNC2=C1C=NC=N2.N2CNC1=C2C=NC=N1 LUYLXKVCWZDVBW-UHFFFAOYSA-N 0.000 claims 1
- LHYYEVHLGZEOOP-UHFFFAOYSA-N N1CNC2=C1N=CC=N2.N2CNC1=C2N=CC=N1 Chemical group N1CNC2=C1N=CC=N2.N2CNC1=C2N=CC=N1 LHYYEVHLGZEOOP-UHFFFAOYSA-N 0.000 claims 1
- PENYYUANEFVUSQ-UHFFFAOYSA-N N1CNC=C1.N1CNC=C1 Chemical group N1CNC=C1.N1CNC=C1 PENYYUANEFVUSQ-UHFFFAOYSA-N 0.000 claims 1
- 150000002736 metal compounds Chemical class 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 46
- 238000003786 synthesis reaction Methods 0.000 description 45
- 239000000463 material Substances 0.000 description 33
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 31
- 125000004076 pyridyl group Chemical group 0.000 description 30
- 125000003860 C1-C20 alkoxy group Chemical group 0.000 description 28
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 28
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 27
- 125000005509 dibenzothiophenyl group Chemical group 0.000 description 24
- 230000000052 comparative effect Effects 0.000 description 23
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 description 23
- JQQSUOJIMKJQHS-UHFFFAOYSA-N pentaphenyl group Chemical group C1=CC=CC2=CC3=CC=C4C=C5C=CC=CC5=CC4=C3C=C12 JQQSUOJIMKJQHS-UHFFFAOYSA-N 0.000 description 23
- 229940125904 compound 1 Drugs 0.000 description 21
- 125000004306 triazinyl group Chemical group 0.000 description 21
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 19
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 18
- 125000002676 chrysenyl group Chemical group C1(=CC=CC=2C3=CC=C4C=CC=CC4=C3C=CC12)* 0.000 description 18
- 239000002356 single layer Substances 0.000 description 18
- 125000001544 thienyl group Chemical group 0.000 description 18
- 229910052783 alkali metal Inorganic materials 0.000 description 17
- 150000001340 alkali metals Chemical class 0.000 description 17
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 17
- 125000005299 dibenzofluorenyl group Chemical group C1(=CC=CC2=C3C(=C4C=5C=CC=CC5CC4=C21)C=CC=C3)* 0.000 description 17
- 125000002541 furyl group Chemical group 0.000 description 17
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 17
- 125000003933 pentacenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C12)* 0.000 description 17
- 125000001725 pyrenyl group Chemical group 0.000 description 17
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 16
- 150000001342 alkaline earth metals Chemical class 0.000 description 16
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 13
- 0 C*(C1C2)C=C*1c1cccc(C3(c4ccccc4-c4ccccc34)c3*(C)c(*4c5ccccc5C5=CC=CC(C)C45)cc(C(C)(C)C)c3)c1C2=C Chemical compound C*(C1C2)C=C*1c1cccc(C3(c4ccccc4-c4ccccc34)c3*(C)c(*4c5ccccc5C5=CC=CC(C)C45)cc(C(C)(C)C)c3)c1C2=C 0.000 description 11
- 125000004857 imidazopyridinyl group Chemical group N1C(=NC2=C1C=CC=N2)* 0.000 description 11
- 125000001828 phenalenyl group Chemical group C1(C=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 11
- 125000002098 pyridazinyl group Chemical group 0.000 description 11
- 229910052761 rare earth metal Inorganic materials 0.000 description 11
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- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene sulfoxide Natural products C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- 125000005594 diketone group Chemical group 0.000 description 1
- MNXYJVWXMUBENA-UHFFFAOYSA-N dinaphthofuran Chemical compound C1=CC=CC2=C(C3=C(C4=CC=CC=C4C=C3)O3)C3=CC=C21 MNXYJVWXMUBENA-UHFFFAOYSA-N 0.000 description 1
- SYXXZXWLYNODHL-UHFFFAOYSA-N dinaphthothiophene Chemical compound C1=CC=CC2=C(C3=C(C4=CC=CC=C4C=C3)S3)C3=CC=C21 SYXXZXWLYNODHL-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- WCVXAYSKMJJPLO-UHFFFAOYSA-N furan Chemical group C=1C=COC=1.C=1C=COC=1 WCVXAYSKMJJPLO-UHFFFAOYSA-N 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001633 hexacenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC5=CC6=CC=CC=C6C=C5C=C4C=C3C=C12)* 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical group [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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- 238000007641 inkjet printing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 150000002527 isonitriles Chemical class 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- CTAPFRYPJLPFDF-UHFFFAOYSA-N isoxazole Chemical compound C=1C=NOC=1 CTAPFRYPJLPFDF-UHFFFAOYSA-N 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- IMKMFBIYHXBKRX-UHFFFAOYSA-M lithium;quinoline-2-carboxylate Chemical compound [Li+].C1=CC=CC2=NC(C(=O)[O-])=CC=C21 IMKMFBIYHXBKRX-UHFFFAOYSA-M 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- BLFVVZKSHYCRDR-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-2-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-2-amine Chemical compound C1=CC=CC=C1N(C=1C=C2C=CC=CC2=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C3C=CC=CC3=CC=2)C=C1 BLFVVZKSHYCRDR-UHFFFAOYSA-N 0.000 description 1
- LKKPNUDVOYAOBB-UHFFFAOYSA-N naphthalocyanine Chemical class N1C(N=C2C3=CC4=CC=CC=C4C=C3C(N=C3C4=CC5=CC=CC=C5C=C4C(=N4)N3)=N2)=C(C=C2C(C=CC=C2)=C2)C2=C1N=C1C2=CC3=CC=CC=C3C=C2C4=N1 LKKPNUDVOYAOBB-UHFFFAOYSA-N 0.000 description 1
- FTMRMQALUDDFQO-UHFFFAOYSA-N naphtho[2,3-b][1]benzofuran Chemical compound C1=CC=C2C=C3C4=CC=CC=C4OC3=CC2=C1 FTMRMQALUDDFQO-UHFFFAOYSA-N 0.000 description 1
- UWMISBRPSJFHIR-UHFFFAOYSA-N naphtho[2,3-b][1]benzothiole Chemical compound C1=CC=C2C=C3C4=CC=CC=C4SC3=CC2=C1 UWMISBRPSJFHIR-UHFFFAOYSA-N 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- JZRYQZJSTWVBBD-UHFFFAOYSA-N pentaporphyrin i Chemical class N1C(C=C2NC(=CC3=NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 JZRYQZJSTWVBBD-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000005563 perylenylene group Chemical group 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- SIOXPEMLGUPBBT-UHFFFAOYSA-M picolinate Chemical compound [O-]C(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-M 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
- JWVCLYRUEFBMGU-UHFFFAOYSA-N quinazoline Chemical compound N1=CN=CC2=CC=CC=C21 JWVCLYRUEFBMGU-UHFFFAOYSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- 229910001419 rubidium ion Inorganic materials 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 239000010944 silver (metal) Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- VNFWTIYUKDMAOP-UHFFFAOYSA-N sphos Chemical compound COC1=CC=CC(OC)=C1C1=CC=CC=C1P(C1CCCCC1)C1CCCCC1 VNFWTIYUKDMAOP-UHFFFAOYSA-N 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910001427 strontium ion Inorganic materials 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000003507 tetrahydrothiofenyl group Chemical group 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- MBYLVOKEDDQJDY-UHFFFAOYSA-N tris(2-aminoethyl)amine Chemical group NCCN(CCN)CCN MBYLVOKEDDQJDY-UHFFFAOYSA-N 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000011701 zinc Substances 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
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Abstract
Description
화합물 번호 |
1H NMR (CDCl3 , 400 MHz) | LC-MS | |
found | calc. | ||
1 | 8.65 (d, 1H), 8.55 (d, 1H), 8.15 (d, 1H), 7.90-6.54 (m, 20H), 3.67 (s, 3H), 1.32 (s, 9H) | 813.22 | 813.24 |
2 | 8.61 (d, 1H), 7.87-6.60 (m, 25H), 6.49 (d, 1H), 3.62 (s, 3H), 1.30 (s, 9H) | 888.30 | 888.28 |
3 | 7.92-7.18 (m, 27 H), 7.06 (s, 1H), 3.73 (s, 3H), 1.29 (s, 9H) | 888.21 | 888.28 |
4 | 8.66 (d, 1H), 8.12-6.55 (m, 18H), 3.58 (s, 3H), 1.34 (s, 9H) | 740.24 | 740.21 |
5 | 8.58 (d, 1H), 8.03-6.27 (m, 18H), 5.67 (s, 1H), 3.69 (s, 3H), 1.31 (s, 9H) | 740.19 | 740.21 |
ΔEHOMO-LUMO (eV) |
λmax sim (nm) | λmax exp (nm) | 3MLCT (%) | Pt-Py 결합 해리 에너지 (eV) |
|
비교화합물 1 | 2.66 | 465.8094 | 453 | 11.0 | 2.96 |
비교화합물 2 | 1.73 | 714.005 | - | - | - |
비교화합물 3 | 1.63 | 756.637 | - | - | - |
비교화합물 4 | 2.59 | 478.1594 | 480 | 14.8 | 3.18 |
비교화합물 5 | 2.34 | 529.0396 | 515 | 15.1 | 3.01 |
화합물 1 | 2.23 | 555.13 | 543 | 16.2 | 3.21 |
화합물 2 | 2.22 | 557.64 | 546 | 17.6 | 3.27 |
화합물 3 | 2.64 | 468.5062 | 458 | 17.1 | 3.10 |
화합물 4 | 2.51 | 493.5235 | 479 | 15.7 | 3.07 |
화합물 5 | 2.93 | 422.5108 | 431 | 15.4 | 3.04 |
발광층 | 구동전압 (V) |
전류밀도 (mA/cm2 ) |
휘도 (cd/m2) |
효율 (cd/A) |
최대 발광 파장 (nm) |
발광색 | |
실시예 1 | 화합물 1 | 5.16 | 50 | 5351 | 10.7 | 543 | 녹색 |
실시예 2 | 화합물 2 | 5.07 | 50 | 5603 | 11.2 | 546 | 녹색 |
실시예 3 | 화합물 3 | 5.48 | 50 | 4033 | 8.07 | 458 | 청색 |
실시예 4 | 화합물 4 | 5.24 | 50 | 4272 | 8.54 | 479 | 청색 |
실시예 5 | 화합물 5 | 5.62 | 50 | 3995 | 7.99 | 431 | 청색 |
비교예1 | 비교화합물 1 | 5.45 | 50 | 3910 | 7.82 | 453 | 청색 |
비교예 2 | 비교화합물 4 | 6.85 | 50 | 3860 | 7.72 | 480 | 청색 |
비교예 3 | 비교화합물 5 | 5.22 | 50 | 4556 | 9.11 | 515 | 녹색 |
110: 제1전극
150: 유기층
190: 제2전극
210: 제1캡핑층
220: 제2캡핑층
Claims (20)
- 제1전극;
상기 제1전극에 대향된 제2전극; 및
상기 제1전극과 상기 제2전극 사이에 배치되고 발광층을 포함한 유기층;을 포함하고,
하기 화학식 1로 표시되는 유기금속 화합물을 1종 이상 포함한, 유기 발광 소자:
<화학식 1>
상기 화학식 1 중,
M1은 백금(Pt), 팔라듐(Pd), 구리(Cu), 아연(Zn), 은(Ag), 금(Au), 로듐(Rh), 이리듐(Ir), 루테늄(Ru), 레늄(Re), 오스뮴(Os), 티탄(Ti), 지르코늄(Zr), 하프늄(Hf), 유로퓸(Eu), 테르븀(Tb) 및 툴륨(Tm) 중에서 선택되고,
A1 고리 내지 A4 고리는 서로 독립적으로, C5-C60카보시클릭 그룹 및 C1-C60헤테로시클릭 그룹 중에서 선택되고,
L1 및 L4는 서로 독립적으로, 단일 결합, *-O-*', *-S-*', *-C(R5)(R6)-*', *-C(R5)=*', *=C(R5)-*', *-C(R5)=C(R6)-*', *-C(=O)-*', *-C(=S)-*', *-C≡C-*', *-B(R5)-*', *-N(R5)-*', *-P(R5)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되고,
L2 및 L3는 서로 독립적으로, *-O-*', *-S-*', *-C(R5)(R6)-*', *-C(R5)=*', *=C(R5)-*', *-C(R5)=C(R6)-*', *-C(=O)-*', *-C(=S)-*', *-C≡C-*', *-B(R5)-*', *-N(R5)-*', *-P(R5)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되되,
L2 및 L3 중 적어도 하나는 *-C(R5)(R6)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되고, 상기 L2 중의 R5 및 R6 및 상기 L3 중의 R5 및 R6 중에서 선택된 적어도 한 쌍의 R5 및 R6는 서로 결합하여 치환 또는 비치환된 C5-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성하고,
a1 및 a4는 서로 독립적으로, 0, 1, 2 및 3 중에서 선택되되, a1 및 a4의 합은 1 이상이고, a1가 0이면 A1 고리와 A2 고리는 서로 연결되어 있지 않고, a4가 0이면 A1 고리와 A4 고리는 서로 연결되어 있지 않고,
a2 및 a3는 서로 독립적으로, 1, 2 및 3 중에서 선택되고,
Y1 내지 Y4는 서로 독립적으로, 탄소 원자(C) 및 질소 원자(N) 중에서 선택되고,
B1 내지 B4는 서로 독립적으로, 화학 결합, *-O-*' 및 *-S-*' 중에서 선택되고,
R1 내지 R6은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, 치환 또는 비치환된 C1-C60알킬기, 치환 또는 비치환된 C2-C60알케닐기, 치환 또는 비치환된 C2-C60알키닐기, 치환 또는 비치환된 C1-C60알콕시기, 치환 또는 비치환된 C3-C10시클로알킬기, 치환 또는 비치환된 C1-C10헤테로시클로알킬기, 치환 또는 비치환된 C3-C10시클로알케닐기, 치환 또는 비치환된 C1-C10헤테로시클로알케닐기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C1-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹, 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹, -Si(Q1)(Q2)(Q3), -B(Q1)(Q2), -N(Q1)(Q2), -P(Q1)(Q2), -C(=O)(Q1), -S(=O)(Q1), -S(=O)2(Q1), -P(=O)(Q1)(Q2) 및 -P(=S)(Q1)(Q2) 중에서 선택되고,
R1 내지 R6 중 서로 인접한 2개의 치환기는 선택적으로(optionally) 서로 결합하여, 치환 또는 비치환된 C5-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성할 수 있고,
b1 내지 b4는 서로 독립적으로, 1 내지 5의 정수 중에서 선택되고,
* 및 *'는 각각 이웃한 원자와의 결합사이트이고,
상기 치환된 C5-C60카보시클릭 그룹, 치환된 C1-C60헤테로시클릭 그룹, 치환된 C1-C60알킬기, 치환된 C2-C60알케닐기, 치환된 C2-C60알키닐기, 치환된 C1-C60알콕시기, 치환된 C3-C10시클로알킬기, 치환된 C1-C10헤테로시클로알킬기, 치환된 C3-C10시클로알케닐기, 치환된 C1-C10헤테로시클로알케닐기, 치환된 C6-C60아릴기, 치환된 C6-C60아릴옥시기, 치환된 C6-C60아릴티오기, 치환된 C1-C60헤테로아릴기, 치환된 1가 비-방향족 축합다환 그룹 및 치환된 1가 비-방향족 헤테로축합다환 그룹의 치환기 중 적어도 하나는,
중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기 및 C1-C60알콕시기;
중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C6-C60아릴옥시기, C6-C60아릴티오기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, -Si(Q11)(Q12)(Q13), -N(Q11)(Q12), -B(Q11)(Q12), -C(=O)(Q11), -S(=O)2(Q11) 및 -P(=O)(Q11)(Q12) 중에서 선택된 적어도 하나로 치환된, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기 및 C1-C60알콕시기;
C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C6-C60아릴옥시기, C6-C60아릴티오기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹 및 1가 비-방향족 헤테로축합다환 그룹;
중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기, C1-C60알콕시기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C6-C60아릴옥시기, C6-C60아릴티오기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, -Si(Q21)(Q22)(Q23), -N(Q21)(Q22), -B(Q21)(Q22), -C(=O)(Q21), -S(=O)2(Q21) 및 -P(=O)(Q21)(Q22) 중에서 선택된 적어도 하나로 치환된, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C6-C60아릴옥시기, C6-C60아릴티오기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹 및 1가 비-방향족 헤테로축합다환 그룹; 및
-Si(Q31)(Q32)(Q33), -N(Q31)(Q32), -B(Q31)(Q32), -C(=O)(Q31), -S(=O)2(Q31) 및 -P(=O)(Q31)(Q32);
중에서 선택되고,
상기 Q1 내지 Q3, Q11 내지 Q13, Q21 내지 Q23 및 Q31 내지 Q33은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미노기, 아미디노기, 히드라지노기, 히드라조노기, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기, C1-C60알콕시기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기 중에서 선택된다. - 제1항에 있어서,
상기 제1전극이 애노드이고,
상기 제2전극이 캐소드이고,
상기 유기층이 상기 유기금속 화합물을 포함하고,
상기 유기층은 상기 제1전극과 상기 발광층 사이에 배치된 정공 수송 영역 및 상기 발광층과 상기 제2전극 사이에 배치된 전자 수송 영역을 더 포함하고,
상기 정공 수송 영역은 정공 주입층, 정공 수송층, 발광 보조층, 전자 저지층 또는 이의 임의의 조합을 포함하고,
상기 전자 수송 영역은, 정공 저지층, 전자 수송층, 전자 주입층 또는 이의 임의의 조합을 포함한, 유기 발광 소자. - 제1항에 있어서,
상기 발광층이 상기 유기금속 화합물을 포함하는, 유기 발광 소자. - 제3항에 있어서,
상기 발광층이 호스트를 더 포함하고, 상기 발광층에 포함된 상기 유기금속 화합물의 함량이 상기 발광층 100 중량부 당 0.01 내지 30 중량부인, 유기 발광 소자. - 제3항에 있어서,
상기 발광층으로부터 400 nm 이상 및 600 nm 이하의 최대 발광 파장을 갖는 청색광 또는 녹색광이 방출되는, 유기 발광 소자. - 제2항에 있어서,
상기 정공 수송 영역이 전자 저지층을 포함하고, 상기 전자 저지층이 상기 유기금속 화합물을 포함하거나; 또는
상기 전자 수송 영역이 정공 저지층을 포함하고, 상기 정공 저지층이 상기 유기금속 화합물을 포함하는, 유기 발광 소자. - 제2항에 있어서,
상기 정공 수송 영역이 LUMO 에너지 준위가 -3.5eV 보다 낮은 p-도펀트를 포함하는, 유기 발광 소자. - 제2항에 있어서,
상기 전자 수송 영역이 포스핀옥사이드-함유 화합물 또는 실릴-함유 화합물을 포함하는, 유기 발광 소자. - 하기 화학식 1로 표시되는 유기금속 화합물:
<화학식 1>
상기 화학식 1 중,
M1은 백금(Pt), 팔라듐(Pd), 구리(Cu), 아연(Zn), 은(Ag), 금(Au), 로듐(Rh), 이리듐(Ir), 루테늄(Ru), 레늄(Re), 오스뮴(Os), 티탄(Ti), 지르코늄(Zr), 하프늄(Hf), 유로퓸(Eu), 테르븀(Tb) 및 툴륨(Tm) 중에서 선택되고,
A1 고리 내지 A4 고리는 서로 독립적으로, C5-C60카보시클릭 그룹 및 C1-C60헤테로시클릭 그룹 중에서 선택되고,
L1 및 L4는 서로 독립적으로, 단일 결합, *-O-*', *-S-*', *-C(R5)(R6)-*', *-C(R5)=*', *=C(R5)-*', *-C(R5)=C(R6)-*', *-C(=O)-*', *-C(=S)-*', *-C≡C-*', *-B(R5)-*', *-N(R5)-*', *-P(R5)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되고,
L2 및 L3는 서로 독립적으로, *-O-*', *-S-*', *-C(R5)(R6)-*', *-C(R5)=*', *=C(R5)-*', *-C(R5)=C(R6)-*', *-C(=O)-*', *-C(=S)-*', *-C≡C-*', *-B(R5)-*', *-N(R5)-*', *-P(R5)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되되,
L2 및 L3 중 적어도 하나는 *-C(R5)(R6)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되고, 상기 L2 중의 R5 및 R6 및 상기 L3 중의 R5 및 R6 중에서 선택된 적어도 한 쌍의 R5 및 R6는 서로 결합하여 치환 또는 비치환된 C5-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성하고,
a1 및 a4는 서로 독립적으로, 0, 1, 2 및 3 중에서 선택되되, a1 및 a4의 합은 1 이상이고, a1가 0이면 A1 고리와 A2 고리는 서로 연결되어 있지 않고, a4가 0이면 A1 고리와 A4 고리는 서로 연결되어 있지 않고,
a2 및 a3는 서로 독립적으로, 1, 2 및 3 중에서 선택되고,
Y1 내지 Y4는 서로 독립적으로, 탄소 원자(C) 및 질소 원자(N) 중에서 선택되고,
B1 내지 B4는 서로 독립적으로, 화학 결합, *-O-*' 및 *-S-*' 중에서 선택되고,
R1 내지 R6은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, 치환 또는 비치환된 C1-C60알킬기, 치환 또는 비치환된 C2-C60알케닐기, 치환 또는 비치환된 C2-C60알키닐기, 치환 또는 비치환된 C1-C60알콕시기, 치환 또는 비치환된 C3-C10시클로알킬기, 치환 또는 비치환된 C1-C10헤테로시클로알킬기, 치환 또는 비치환된 C3-C10시클로알케닐기, 치환 또는 비치환된 C1-C10헤테로시클로알케닐기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C1-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹, 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹, -Si(Q1)(Q2)(Q3), -B(Q1)(Q2), -N(Q1)(Q2), -P(Q1)(Q2), -C(=O)(Q1), -S(=O)(Q1), -S(=O)2(Q1), -P(=O)(Q1)(Q2) 및 -P(=S)(Q1)(Q2) 중에서 선택되고,
R1 내지 R6 중 서로 인접한 2개의 치환기는 선택적으로(optionally) 서로 결합하여, 치환 또는 비치환된 C5-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성할 수 있고,
b1 내지 b4는 서로 독립적으로, 1 내지 5의 정수 중에서 선택되고,
* 및 *'는 각각 이웃한 원자와의 결합사이트이고,
상기 치환된 C5-C60카보시클릭 그룹, 치환된 C1-C60헤테로시클릭 그룹, 치환된 C1-C60알킬기, 치환된 C2-C60알케닐기, 치환된 C2-C60알키닐기, 치환된 C1-C60알콕시기, 치환된 C3-C10시클로알킬기, 치환된 C1-C10헤테로시클로알킬기, 치환된 C3-C10시클로알케닐기, 치환된 C1-C10헤테로시클로알케닐기, 치환된 C6-C60아릴기, 치환된 C6-C60아릴옥시기, 치환된 C6-C60아릴티오기, 치환된 C1-C60헤테로아릴기, 치환된 1가 비-방향족 축합다환 그룹 및 치환된 1가 비-방향족 헤테로축합다환 그룹의 치환기 중 적어도 하나는,
중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기 및 C1-C60알콕시기;
중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C6-C60아릴옥시기, C6-C60아릴티오기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, -Si(Q11)(Q12)(Q13), -N(Q11)(Q12), -B(Q11)(Q12), -C(=O)(Q11), -S(=O)2(Q11) 및 -P(=O)(Q11)(Q12) 중에서 선택된 적어도 하나로 치환된, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기 및 C1-C60알콕시기;
C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C6-C60아릴옥시기, C6-C60아릴티오기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹 및 1가 비-방향족 헤테로축합다환 그룹;
중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기, C1-C60알콕시기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C6-C60아릴옥시기, C6-C60아릴티오기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, -Si(Q21)(Q22)(Q23), -N(Q21)(Q22), -B(Q21)(Q22), -C(=O)(Q21), -S(=O)2(Q21) 및 -P(=O)(Q21)(Q22) 중에서 선택된 적어도 하나로 치환된, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C6-C60아릴옥시기, C6-C60아릴티오기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹 및 1가 비-방향족 헤테로축합다환 그룹; 및
-Si(Q31)(Q32)(Q33), -N(Q31)(Q32), -B(Q31)(Q32), -C(=O)(Q31), -S(=O)2(Q31) 및 -P(=O)(Q31)(Q32);
중에서 선택되고,
상기 Q1 내지 Q3, Q11 내지 Q13, Q21 내지 Q23 및 Q31 내지 Q33은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미노기, 아미디노기, 히드라지노기, 히드라조노기, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기, C1-C60알콕시기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기 중에서 선택된다. - 제9항에 있어서,
A1 고리 내지 A4 고리는 서로 독립적으로, 벤젠 그룹, 나프탈렌 그룹, 안트라센 그룹, 페난트렌 그룹, 아줄렌 그룹, 트리페닐렌 그룹, 파이렌 그룹, 크라이센 그룹, 시클로펜타디엔 그룹, 1,2,3,4-테트라히드로나프탈렌(1,2,3,4-tetrahydronaphthalene) 그룹, 퓨란 그룹, 티오펜 그룹, 실롤 그룹, 인덴 그룹, 플루오렌 그룹, 인돌 그룹, 카바졸 그룹, 벤조퓨란 그룹, 디벤조퓨란 그룹, 벤조티오펜 그룹, 디벤조티오펜 그룹, 벤조실롤 그룹, 디벤조실롤 그룹, 인데노피리딘 그룹, 인돌로피리딘 그룹, 벤조퓨로피리딘 그룹, 벤조티에노피리딘 그룹, 벤조실롤로피리딘 그룹, 인데노피리미딘 그룹, 인돌로피리미딘 그룹, 벤조퓨로피리미딘 그룹, 벤조티에노피리미딘 그룹, 벤조실롤로피리미딘 그룹, 디히드로피리딘 그룹, 피리딘 그룹, 피리미딘 그룹, 피라진 그룹, 피리다진 그룹, 트리아진 그룹, 퀴놀린 그룹, 이소퀴놀린 그룹, 퀴녹살린 그룹, 퀴나졸린 그룹, 페난트롤린 그룹, 피롤 그룹, 피라졸 그룹, 이미다졸 그룹, 2,3-디하이드로이미다졸(2,3-dihydroimidazole) 그룹, 트리아졸 그룹, 2,3-디하이드로트리아졸(2,3-dihydrotriazole) 그룹, 옥사졸 그룹, 이소옥사졸 그룹, 티아졸 그룹, 이소티아졸 그룹, 옥사디아졸 그룹, 티아디아졸 그룹, 벤조피라졸 그룹, 피라졸로피리딘 그룹, 퓨로피라졸 그룹, 티에노피라졸 그룹, 벤즈이미다졸 그룹, 2,3-디하이드로벤즈이미다졸(2,3-dihydrobenzimidazole) 그룹, 이미다조피리딘 그룹, 2,3-디하이드로이미다조피리딘(2,3-dihydroimidazopyridine) 그룹, 퓨로이미다졸 그룹, 티에노이미다졸 그룹, 이미다조피리미딘 그룹, 2,3-디하이드로이미다조피리미딘(2,3-dihydroimidazopyrimidine) 그룹, 이미다조피라진 그룹, 2,3-디하이드로이미다조피라진(2,3-dihydroimidazopyrazine) 그룹, 벤조옥사졸 그룹, 벤조티아졸 그룹, 벤조옥사디아졸 그룹, 벤조티아디아졸 그룹, 5,6,7,8-테트라히드로이소퀴놀린(5,6,7,8-tetrahydroisoquinoline) 그룹 및 5,6,7,8-테트라히드로퀴놀린(5,6,7,8-tetrahydroquinoline) 중에서 선택된, 유기금속 화합물. - 제9항에 있어서,
A3 고리는 N을 1개 이상 포함하는 6원환이고,
A1 고리, A2 고리 및 A4 고리 중 하나는 N을 2개 이상 포함하는 5원환인, 유기금속 화합물. - 제9항에 있어서,
A3 고리는 하기 화학식 2-2(1)로 표시되고, Y15가 N인 그룹이고,
A1 고리, A2 고리 및 A4 고리는 서로 독립적으로, 하기 화학식 2-1(1) 내지 2-1(35) 및 2-2(1) 내지 2-2(25)로 표시되는 그룹 중에서 선택되는, 유기금속 화합물:
상기 화학식 2-1(1) 내지 2-1(35) 및 2-2(1) 내지 2-2(25) 중,
Y15는 탄소 원자(C) 또는 질소 원자(N)이고,
X21는 N 또는 C(R21)이고, X22는 N 또는 C(R22)이고, X23는 N 또는 C(R23)이고, X24는 N 또는 C(R24)이고, X25는 N 또는 C(R25)이고, X26는 N 또는 C(R26)이고, X27는 N 또는 C(R27)이고, X28는 N 또는 C(R28)이고,
X29는 C(R29a)(R29b), Si(R29a)(R29b), N(R29), O 또는 S이고,
X30는 C(R30a)(R30b), Si(R30a)(R30b), N(R30), O 또는 S이고,
R21 내지 R30 및 R25a 내지 R30b에 대한 설명은 서로 독립적으로, 상기 화학식 1 중의 R1 내지 R4에 대한 설명을 참조하고,
*은 B1, B2, B3 또는 B4와의 결합 사이트이고,
*' 및 *''은 이웃한 원자와의 결합 사이트이다. - 제12항에 있어서,
a4는 0이고,
A1 고리 및 A4 고리는 서로 독립적으로, 상기 화학식 2-1(1) 내지 2-1(35)로 표시되는 그룹 중에서 선택되고,
A2 고리는 상기 화학식 2-2(1) 내지 2-2(25)로 표시되는 그룹 중에서 선택된, 유기금속 화합물. - 제9항에 있어서,
i) a2 및 a3는 1이고, L2는 *-C(R5)(R6)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되고, L3는 *-O-*', *-S-*', *-C(R5)(R6)-*' 및 *-N(R5)-*' 중에서 선택되고, 상기 L2 중의 R5 및 R6는 서로 결합하여 치환 또는 비치환된 C5-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성하거나;
ii) a2 및 a3는 1이고, L2는 *-O-*', *-S-*', *-C(R5)(R6)-*' 및 *-N(R5)-*' 중에서 선택되고, L3는 *-C(R5)(R6)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되고, 상기L3 중의 R5 및 R6는 서로 결합하여 치환 또는 비치환된 C5-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성하거나; 또는
iii) a2 및 a3는 1이고, L2 및 L3는 서로 독립적으로 *-C(R5)(R6)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되고, 상기 L2 중의 R5 및 R6 및 상기 L3 중의 R5 및 R6 중에서 선택된 적어도 한 쌍의 R5 및 R6는 서로 결합하여 치환 또는 비치환된 C5-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성하는, 유기금속 화합물. - 제9항에 있어서,
상기 L2 및 L3 중 적어도 하나가 *-C(R5)(R6)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되고, 상기 L2 중의 R5 및 R6 및 상기 L3 중의 R5 및 R6 중에서 선택된 적어도 한 쌍의 R5 및 R6가 서로 결합하여 하기 화학식 3으로 표시되는 그룹을 형성하는, 유기금속 화합물:
<화학식 3>
상기 화학식 3 중,
X31은 단일 결합, *-O-*', *-S-*', *-Se-*', *-C(R33)(R34)-*, *-C(R33)=C(R34)-*', *-Si(R33)(R34)-*' 및 *-Ge(R33)(R34)-*' 중에서 선택되고,
A31 및 A32는 서로 독립적으로, C6-C30카보시클릭 그룹 및 C1-C30헤테로시클릭 그룹 중에서 선택되고,
R31 내지 R34는 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, 치환 또는 비치환된 C1-C60알킬기, 치환 또는 비치환된 C2-C60알케닐기, 치환 또는 비치환된 C2-C60알키닐기, 치환 또는 비치환된 C1-C60알콕시기, 치환 또는 비치환된 C3-C10시클로알킬기, 치환 또는 비치환된 C1-C10헤테로시클로알킬기, 치환 또는 비치환된 C3-C10시클로알케닐기, 치환 또는 비치환된 C1-C10헤테로시클로알케닐기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C1-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹, 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹, -Si(Q1)(Q2)(Q3), -N(Q1)(Q2), -B(Q1)(Q2), -C(=O)(Q1), -S(=O)2(Q1) 및 -P(=O)(Q1)(Q2) 중에서 선택되고,
Q1 내지 Q3는 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기, C1-C60알콕시기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기 중에서 선택되고,
b31 및 b32는 서로 독립적으로, 1, 2, 3, 4, 5 및 6 중에서 선택되고,
*는 상기 C, Si, P 또는 Ge와의 연결 사이트이다. - 제9항에 있어서,
상기 L2 및 L3 중 적어도 하나가 *-C(R5)(R6)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되고, 상기 L2 중의 R5 및 R6 및 상기 L3 중의 R5 및 R6 중에서 선택된 적어도 한 쌍의 R5 및 R6가 서로 결합하여 하기 화학식 3A으로 표시되는 그룹을 형성하는, 유기금속 화합물:
<화학식 3A>
상기 화학식 3A 중,
X31은 단일 결합, *-O-*', *-S-*', *-Se-*', *-C(R33)(R34)-*, *-C(R33)=C(R34)-*', *-Si(R33)(R34)-*' 및 *-Ge(R33)(R34)-*' 중에서 선택되고,
R31 내지 R34는 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, 치환 또는 비치환된 C1-C60알킬기, 치환 또는 비치환된 C2-C60알케닐기, 치환 또는 비치환된 C2-C60알키닐기, 치환 또는 비치환된 C1-C60알콕시기, 치환 또는 비치환된 C3-C10시클로알킬기, 치환 또는 비치환된 C1-C10헤테로시클로알킬기, 치환 또는 비치환된 C3-C10시클로알케닐기, 치환 또는 비치환된 C1-C10헤테로시클로알케닐기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C1-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹, 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹, -Si(Q1)(Q2)(Q3), -N(Q1)(Q2), -B(Q1)(Q2), -C(=O)(Q1), -S(=O)2(Q1) 및 -P(=O)(Q1)(Q2) 중에서 선택되고,
Q1 내지 Q3는 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기, C1-C60알콕시기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기 중에서 선택되고,
b31 및 b32는 서로 독립적으로, 1, 2, 3 및 4 중에서 선택되고,
*는 상기 C, Si, P 또는 Ge와의 연결 사이트이다. - 제9항에 있어서,
B1 내지 B4는 모두 화학 결합이고,
Y3는 N이고, Y3와 M1의 결합은 배위 결합이고,
i) Y1, Y2 및 Y4가 C이고, Y1와 M1의 결합, Y2와 M1의 결합 및 Y4와 M1의 결합 중 하나는 배위 결합이고, 나머지는 공유 결합이거나;
ii) Y1 및 Y4가 C이고, Y2가 N이고, Y2와 M1의 결합은 배위결합이고, Y1와 M1의 결합 및 Y4와 M1의 결합은 공유 결합이거나; 또는
iii) Y1가 N이고, Y2 및 Y4가 C이고, Y1와 M1의 결합은 배위결합이고, Y2와 M1의 결합 및 Y4와 M1의 결합은 공유 결합인, 유기금속 화합물. - 제9항에 있어서,
i) a1이 1이고, a4가 0이거나; 또는
ii) a1이 0이고, a4가 1인, 유기금속 화합물. - 제9항에 있어서,
하기 화학식 1-1 내지 1-3 중 어느 하나로 표시되는, 유기금속 화합물:
<화학식 1-1>
<화학식 1-2>
<화학식 1-3>
상기 화학식 1-1 내지 1-3 중,
L2 및 L3는 서로 독립적으로, *-O-*', *-S-*', *-C(R5)(R6)-*', *-C(R5)=*', *=C(R5)-*', *-C(R5)=C(R6)-*', *-C(=O)-*', *-C(=S)-*', *-C≡C-*', *-B(R5)-*', *-N(R5)-*', *-P(R5)-*', *-Si(R5)(R6)-*', *-P(R5)(R6)-*' 및 *-Ge(R5)(R6)-*' 중에서 선택되고,
X1 및 X2는 서로 독립적으로, C, Si, P 및 Ge 중에서 선택되고,
X22는 N 또는 C(R22)이고, X23는 N 또는 C(R23)이고, X24는 N 또는 C(R24)이고,
X31은 단일 결합, *-O-*', *-S-*', *-Se-*', *-C(R33)(R34)-*, *-C(R33)=C(R34)-*', *-Si(R33)(R34)-*' 및 *-Ge(R33)(R34)-*' 중에서 선택되고,
X32는 단일 결합, *-O-*', *-S-*', *-Se-*', *-C(R37)(R38)-*, *-C(R37)=C(R38)-*', *-Si(R37)(R38)-*' 및 *-Ge(R37)(R38)-*' 중에서 선택되고,
R22 내지 R24 및 R31 내지 R38은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, 치환 또는 비치환된 C1-C60알킬기, 치환 또는 비치환된 C2-C60알케닐기, 치환 또는 비치환된 C2-C60알키닐기, 치환 또는 비치환된 C1-C60알콕시기, 치환 또는 비치환된 C3-C10시클로알킬기, 치환 또는 비치환된 C1-C10헤테로시클로알킬기, 치환 또는 비치환된 C3-C10시클로알케닐기, 치환 또는 비치환된 C1-C10헤테로시클로알케닐기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C1-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹, 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹, -Si(Q1)(Q2)(Q3), -B(Q1)(Q2), -N(Q1)(Q2), -P(Q1)(Q2), -C(=O)(Q1), -S(=O)(Q1), -S(=O)2(Q1), -P(=O)(Q1)(Q2) 및 -P(=S)(Q1)(Q2) 중에서 선택되고,
b31, b32, b35 및 b36은 서로 독립적으로, 1, 2, 3 및 4 중에서 선택되고,
M1, A1 고리, A2 고리, A4 고리, L1, L4, a1, a4, Y1 내지 Y4, B1 내지 B4, R1, R2, R4, b1, b2 및 b4의 정의는 각각 상기 화학식 1에서 정의한 바와 동일하다.
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