KR20200118943A - 유기금속 화합물 및 이를 포함한 유기 발광 소자 - Google Patents
유기금속 화합물 및 이를 포함한 유기 발광 소자 Download PDFInfo
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- KR20200118943A KR20200118943A KR1020190041060A KR20190041060A KR20200118943A KR 20200118943 A KR20200118943 A KR 20200118943A KR 1020190041060 A KR1020190041060 A KR 1020190041060A KR 20190041060 A KR20190041060 A KR 20190041060A KR 20200118943 A KR20200118943 A KR 20200118943A
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- 150000002902 organometallic compounds Chemical class 0.000 title claims abstract description 52
- -1 silol ring Chemical group 0.000 claims description 248
- 239000010410 layer Substances 0.000 claims description 199
- 150000001875 compounds Chemical class 0.000 claims description 126
- 125000003118 aryl group Chemical group 0.000 claims description 96
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 74
- 125000001624 naphthyl group Chemical group 0.000 claims description 55
- 125000003367 polycyclic group Chemical group 0.000 claims description 52
- 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 51
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 50
- 229910052805 deuterium Inorganic materials 0.000 claims description 50
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 49
- 125000006267 biphenyl group Chemical group 0.000 claims description 44
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 claims description 44
- 125000000717 hydrazino group Chemical group [H]N([*])N([H])[H] 0.000 claims description 44
- 125000005638 hydrazono group Chemical group 0.000 claims description 44
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 44
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 44
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 43
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims description 40
- 239000012044 organic layer Substances 0.000 claims description 40
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 37
- 125000006749 (C6-C60) aryl group Chemical group 0.000 claims description 36
- 125000004585 polycyclic heterocycle group Chemical group 0.000 claims description 34
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 33
- 125000006717 (C3-C10) cycloalkenyl group Chemical group 0.000 claims description 33
- 125000006376 (C3-C10) cycloalkyl group Chemical group 0.000 claims description 33
- 125000006753 (C1-C60) heteroaryl group Chemical group 0.000 claims description 32
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 claims description 31
- 125000003860 C1-C20 alkoxy group Chemical group 0.000 claims description 30
- 125000005509 dibenzothiophenyl group Chemical group 0.000 claims description 30
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 claims description 29
- 125000004076 pyridyl group Chemical group 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 27
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 claims description 25
- 125000004366 heterocycloalkenyl group Chemical group 0.000 claims description 25
- 125000001041 indolyl group Chemical group 0.000 claims description 25
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 25
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 claims description 25
- 125000006743 (C1-C60) alkyl group Chemical group 0.000 claims description 24
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 claims description 24
- 125000002676 chrysenyl group Chemical group C1(=CC=CC=2C3=CC=C4C=CC=CC4=C3C=CC12)* 0.000 claims description 24
- 125000003373 pyrazinyl group Chemical group 0.000 claims description 24
- 125000001544 thienyl group Chemical group 0.000 claims description 24
- 125000006744 (C2-C60) alkenyl group Chemical group 0.000 claims description 23
- 125000006745 (C2-C60) alkynyl group Chemical group 0.000 claims description 23
- 125000006751 (C6-C60) aryloxy group Chemical group 0.000 claims description 23
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 claims description 23
- 125000002541 furyl group Chemical group 0.000 claims description 23
- 229910052739 hydrogen Inorganic materials 0.000 claims description 23
- 239000001257 hydrogen Substances 0.000 claims description 23
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 claims description 23
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 claims description 23
- 125000001725 pyrenyl group Chemical group 0.000 claims description 23
- 125000006746 (C1-C60) alkoxy group Chemical group 0.000 claims description 22
- 150000002431 hydrogen Chemical class 0.000 claims description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims description 22
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 claims description 22
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 claims description 22
- 125000006752 (C6-C60) arylthio group Chemical group 0.000 claims description 19
- 125000002837 carbocyclic group Chemical group 0.000 claims description 19
- 125000002883 imidazolyl group Chemical group 0.000 claims description 19
- 229910052698 phosphorus Inorganic materials 0.000 claims description 19
- 125000003226 pyrazolyl group Chemical group 0.000 claims description 19
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 18
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 18
- 125000004306 triazinyl group Chemical group 0.000 claims description 18
- 125000000842 isoxazolyl group Chemical group 0.000 claims description 17
- 239000003446 ligand Substances 0.000 claims description 17
- 125000002098 pyridazinyl group Chemical group 0.000 claims description 17
- 125000004857 imidazopyridinyl group Chemical group N1C(=NC2=C1C=CC=N2)* 0.000 claims description 16
- 125000000641 acridinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3C=C12)* 0.000 claims description 15
- 125000002971 oxazolyl group Chemical group 0.000 claims description 15
- 125000001425 triazolyl group Chemical group 0.000 claims description 15
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 claims description 14
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 claims description 14
- 125000003518 norbornenyl group Chemical group C12(C=CC(CC1)C2)* 0.000 claims description 14
- 125000001715 oxadiazolyl group Chemical group 0.000 claims description 14
- 125000004625 phenanthrolinyl group Chemical group N1=C(C=CC2=CC=C3C=CC=NC3=C12)* 0.000 claims description 14
- 125000003831 tetrazolyl group Chemical group 0.000 claims description 14
- 125000000335 thiazolyl group Chemical group 0.000 claims description 14
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 claims description 14
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 13
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 12
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical group C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 claims description 12
- 125000000623 heterocyclic group Chemical group 0.000 claims description 12
- 125000001786 isothiazolyl group Chemical group 0.000 claims description 12
- 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 11
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 claims description 10
- 125000005577 anthracene group Chemical group 0.000 claims description 9
- 229910052785 arsenic Inorganic materials 0.000 claims description 9
- 125000001162 cycloheptenyl group Chemical group C1(=CCCCCC1)* 0.000 claims description 9
- 125000001072 heteroaryl group Chemical group 0.000 claims description 9
- 125000001424 substituent group Chemical group 0.000 claims description 9
- 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 9
- 125000005580 triphenylene group Chemical group 0.000 claims description 9
- 125000006649 (C2-C20) alkynyl group Chemical group 0.000 claims description 8
- 125000003358 C2-C20 alkenyl group Chemical group 0.000 claims description 8
- 125000005872 benzooxazolyl group Chemical group 0.000 claims description 8
- 125000005578 chrysene group Chemical group 0.000 claims description 8
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 claims description 8
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 claims description 8
- ZLTPDFXIESTBQG-UHFFFAOYSA-N isothiazole Chemical group C=1C=NSC=1 ZLTPDFXIESTBQG-UHFFFAOYSA-N 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- 125000005593 norbornanyl group Chemical group 0.000 claims description 8
- 125000005581 pyrene group Chemical group 0.000 claims description 8
- 239000010948 rhodium Substances 0.000 claims description 8
- 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
- 230000002950 deficient Effects 0.000 claims description 7
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 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
- BPMFPOGUJAAYHL-UHFFFAOYSA-N 9H-Pyrido[2,3-b]indole Chemical group C1=CC=C2C3=CC=CC=C3NC2=N1 BPMFPOGUJAAYHL-UHFFFAOYSA-N 0.000 claims description 6
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical group C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 claims description 6
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 claims description 6
- 125000000392 cycloalkenyl 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
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 6
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical group C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 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
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052741 iridium Inorganic materials 0.000 claims description 5
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical group [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 5
- 238000001228 spectrum Methods 0.000 claims description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical group C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052703 rhodium Inorganic materials 0.000 claims description 4
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 4
- 125000006736 (C6-C20) aryl group Chemical group 0.000 claims description 3
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical group C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 3
- BZHCVCNZIJZMRN-UHFFFAOYSA-N 9h-pyridazino[3,4-b]indole Chemical group N1=CC=C2C3=CC=CC=C3NC2=N1 BZHCVCNZIJZMRN-UHFFFAOYSA-N 0.000 claims description 3
- 241001122767 Theaceae Species 0.000 claims description 3
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 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
- 125000001820 oxy group Chemical group [*:1]O[*:2] 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
- 125000000168 pyrrolyl group Chemical group 0.000 claims description 3
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 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
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 2
- 241000162682 Heterogen Species 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 description 2
- PENYYUANEFVUSQ-UHFFFAOYSA-N N1CNC=C1.N1CNC=C1 Chemical group N1CNC=C1.N1CNC=C1 PENYYUANEFVUSQ-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
- 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
- 230000003111 delayed effect Effects 0.000 claims description 2
- 125000004925 dihydropyridyl group Chemical group N1(CC=CC=C1)* 0.000 claims description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 238000005424 photoluminescence Methods 0.000 claims description 2
- 238000000103 photoluminescence spectrum Methods 0.000 claims description 2
- IWCKTDWOJGXHDZ-UHFFFAOYSA-N 2,3-dihydro-1h-imidazo[4,5-b]pyrazine Chemical group C1=CN=C2NCNC2=N1 IWCKTDWOJGXHDZ-UHFFFAOYSA-N 0.000 claims 1
- 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 1
- MXMZCLLIUQEKSN-UHFFFAOYSA-N benzimidazoline Chemical group C1=CC=C2NCNC2=C1 MXMZCLLIUQEKSN-UHFFFAOYSA-N 0.000 claims 1
- 150000004867 thiadiazoles Chemical group 0.000 claims 1
- 239000002019 doping agent Substances 0.000 description 40
- 230000015572 biosynthetic process Effects 0.000 description 34
- 239000000463 material Substances 0.000 description 34
- 230000005525 hole transport Effects 0.000 description 31
- 238000003786 synthesis reaction Methods 0.000 description 31
- 238000002347 injection Methods 0.000 description 30
- 239000007924 injection Substances 0.000 description 30
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 28
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 27
- 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
- 239000002356 single layer Substances 0.000 description 18
- 229910052783 alkali metal Inorganic materials 0.000 description 17
- 150000001340 alkali metals Chemical class 0.000 description 17
- 230000000903 blocking effect Effects 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
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- 229910052784 alkaline earth metal Inorganic materials 0.000 description 16
- 150000001342 alkaline earth metals Chemical class 0.000 description 16
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 14
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 13
- 101100401199 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SAM2 gene Proteins 0.000 description 13
- 125000004432 carbon atom Chemical group C* 0.000 description 12
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- 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
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- QRUBYZBWAOOHSV-UHFFFAOYSA-M silver trifluoromethanesulfonate Chemical compound [Ag+].[O-]S(=O)(=O)C(F)(F)F QRUBYZBWAOOHSV-UHFFFAOYSA-M 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 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
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 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
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 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
- 229910052719 titanium Inorganic materials 0.000 description 1
- LBNVCJHJRYJVPK-UHFFFAOYSA-N trimethyl(4-trimethylsilylbuta-1,3-diynyl)silane Chemical compound C[Si](C)(C)C#CC#C[Si](C)(C)C LBNVCJHJRYJVPK-UHFFFAOYSA-N 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
- 238000007740 vapor deposition Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229910052727 yttrium Inorganic materials 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 | 1H NMR (CDCl3 , 400 MHz) | LC-MS | |
found | calc. | ||
BD1 | 8.65 (d, 1H), 8.60 (d, 1H), 7.47-7.27 (m, 14H), 6.80-6.73 (m, 4H), 6.49 (d, 1H), 6.45 (d, 1H), 4.66 (q, 2H), 4.42 (dd, 2H), 4.23 (s, 3H), 3.17 (m, 2H), 3.01 (m, 2H), 1.84 (m, 2H), 1.58 (m, 2H) | 862.23 | 862.28 |
BD2 | 7.38-7.16 (m, 14 H), 6.82-6.67 (m, 4H), 4.63 (q, 2H), 4.44 (dd, 2H), 4.23 (s, 3H), 3.16 (m, 2H), 3.08 (m, 2H), 2.27 (s, 3H), 2.25 (s, 3H), 2.20 (s, 3H), 2.18 (s, 3H), 1.85 (m, 2H), 1.60 (m, 2H) | 918.34 | 918.35 |
BD3 | 7.43-6.62 (m, 26 H), 4.67 (q, 2H), 4.46 (dd, 2H), 4.22 (s, 3H), 3.17 (m, 2H), 3.08 (m, 2H), 1.87 (m, 2H), 1.59 (m, 2H) | 962.33 | 962.31 |
도펀트 | 제1 호스트 |
제2 호스트 |
휘도 (cd/㎡) |
구동전압 (V) |
전류밀도 (㎃/cm2) |
효율 (cd/A) |
최대 발광 파장 (nm) | 소자 수명 (T90, h) | |
실시예 1 | BD1 | ETH2 | HTH2 | 1000 | 4.3 | 5.3 | 18.8 | 469 | 1.2 |
실시예 2 | BD2 | ETH2 | HTH2 | 1000 | 3.3 | 6.5 | 16.2 | 470 | 1.6 |
실시예 3 | BD3 | ETH2 | HTH2 | 1000 | 3.3 | 4.8 | 21.6 | 466 | 3.0 |
실시예 4 | BD1 | ETH77 | HTH2 | 1000 | 3.2 | 4.2 | 23.7 | 470 | 6.2 |
실시예 5 | BD1 | ETH2 | HTH4 | 1000 | 3.2 | 4.8 | 21.3 | 469 | 6.8 |
실시예 6 | BD1 | ETH77 | HTH4 | 1000 | 3.1 | 4.0 | 24.9 | 471 | 11.5 |
비교예1 | Ir-01 | ETH2 | HTH2 | 1000 | 4.5 | 4.7 | 21.2 | 487 | 0.5 |
비교예 2 | 화합물 A | ETH2 | HTH2 | 1000 | 6.3 | 7.2 | 9.8 | 517 | 0.7 |
비교예 3 | 화합물 B | ETH2 | HTH2 | 1000 | 4.9 | 5.2 | 19.1 | 476 | 0.4 |
110: 제1전극
150: 유기층
190: 제2전극
210: 제1캡핑층
220: 제2캡핑층
Claims (20)
- 하기 화학식 1로 표시되는 유기금속 화합물:
<화학식 1>
ML1L2
상기 화학식 1 중, M은 이리듐(Ir), 로듐(Rh), 코발트(Co) 및 마이트너륨(Mt) 중에서 선택되고,
L1은 하기 화학식 1A 또는 1B로 표시된 리간드이고,
L2는 하기 화학식 1C로 표시된 리간드이고,
<화학식 1A>
<화학식 1B>
<화학식 1C>
상기 화학식 1A 내지 1C 중,
A1 내지 A4는 서로 독립적으로, C5-C60카보시클릭 고리 및 C1-C60헤테로시클릭 고리 중에서 선택되고,
X11은 C(R11) 또는 N이고, X12는 C(R12) 또는 N이고, X13는 C(R13) 또는 N이고, X14는 C(R14) 또는 N이고,
X15는 N(R21), P(R21) 또는 As(R21)이고, X16은 N, P 또는 As이고, X17은 N, P 또는 As이고, X18은 N(R22), P(R22) 또는 As(R22)이고, X19은 N, P 또는 As이고, X20은 N(R23), P(R23) 또는 As(R23)이고,
n은 2 내지 6의 정수 중에서 선택되고,
R11 내지 R23은 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), -P(Q1)(Q2), -C(=O)(Q1), -S(=O)2(Q1) 및 -P(=O)(Q1)(Q2) 중에서 선택되고,
b17 내지 b20은 서로 독립적으로, 1 내지 6의 정수 중에서 선택되고,
*은 M과의 결합 사이트이고,
상기 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, 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 n은 4인 유기금속 화합물. - 제1항에 있어서,
상기 n은 4이고, R15 및 R16은 모두 수소인, 유기금속 화합물. - 제1항에 있어서,
상기 A1 내지 A4는 서로 독립적으로, 벤젠 고리, 나프탈렌 고리, 안트라센 고리, 페난트렌 고리, 아줄렌 고리, 트리페닐렌 고리, 파이렌 고리, 크라이센 고리, 시클로펜타디엔 고리, 1,2,3,4-테트라하이드로나프탈렌(1,2,3,4-tetrahydronaphthalene) 고리, 퓨란 고리, 티오펜 고리, 실롤 고리, 인덴 고리, 플루오렌 고리, 인돌 고리, 카바졸 고리, 벤조퓨란 고리, 디벤조퓨란 고리, 벤조티오펜 고리, 디벤조티오펜 고리, 벤조실롤 고리, 디벤조실롤 고리, 인데노피리딘 고리, 인돌로피리딘 고리, 벤조퓨로피리딘 고리, 벤조티에노피리딘 고리, 벤조실롤로피리딘 고리, 인데노피리미딘 고리, 인돌로피리미딘 고리, 벤조퓨로피리미딘 고리, 벤조티에노피리미딘 고리, 벤조실롤로피리미딘 고리, 디하이드로피리딘 고리, 피리딘 고리, 피리미딘 고리, 피라진 고리, 피리다진 고리, 트리아진 고리, 퀴놀린 고리, 이소퀴놀린 고리, 퀴녹살린 고리, 퀴나졸린 고리, 페난트롤린 고리, 피롤 고리, 피라졸 고리, 이미다졸 고리, 2,3-디하이드로이미다졸(2,3-dihydroimidazole) 고리, 트리아졸 고리, 2,3-디하이드로트리아졸(2,3-dihydrotriazole) 고리, 옥사졸 고리, 이소옥사졸 고리, 티아졸 고리, 이소티아졸 고리, 옥사디아졸 고리, 티아디아졸 고리, 벤조피라졸 고리, 피라졸로피리딘 고리, 퓨로피라졸 고리, 티에노피라졸 고리, 벤즈이미다졸 고리, 2,3-디하이드로벤즈이미다졸(2,3-dihydrobenzimidazole) 고리, 이미다조피리딘 고리, 2,3-디하이드로이미다조피리딘(2,3-dihydroimidazopyridine) 고리, 퓨로이미다졸 고리, 티에노이미다졸 고리, 이미다조피리미딘 고리, 2,3-디하이드로이미다조피리미딘(2,3-dihydroimidazopyrimidine) 고리, 이미다조피라진 고리, 2,3-디하이드로이미다조피라진(2,3-dihydroimidazopyrazine) 고리, 벤조옥사졸 고리, 벤조티아졸 고리, 벤조옥사디아졸 고리, 벤조티아디아졸 고리, 5,6,7,8-테트라하이드로이소퀴놀린(5,6,7,8-tetrahydroisoquinoline) 고리 및 5,6,7,8-테트라하이드로퀴놀린(5,6,7,8-tetrahydroquinoline) 고리 중에서 선택된, 유기금속 화합물. - 제1항에 있어서,
X11는 C(R11)이고, X12는 C(R12)이고, X13는 C(R13)이고, X14는 C(R14)인, 유기금속 화합물. - 제1항에 있어서,
상기 화학식 1 중, L1은 하기 화학식 1A-1 및 1B-1 내지 1B-3으로 표시된 리간드 중에서 선택되는, 유기금속 화합물:
<화학식 1A-1>
<화학식 1B-1>
<화학식 1B-2>
<화학식 1B-3>
상기 화학식 1A-1 및 1B-1 내지 1B-3 중,
n, R11 내지 R18, b17 및 b18에 대한 설명은 화학식 1 중의 설명을 참조하고,
R19a 내지 R19d에 대한 설명은 화학식 1 중 R19에 대한 설명을 참조하고,
R20a 내지 R20d에 대한 설명은 화학식 1 중 R20에 대한 설명을 참조하고,
*은 M과의 결합 사이트이다. - 제1항에 있어서,
상기 화학식 1C 중,
i) X15는 N(R21)이고, X16 및 X17은 N이거나; 또는 X15는 P(R21)이고, X16는 N이고, X17은 P이고,
ii) X18은 N(R22)이고, X19 및 X20은 N이거나; 또는 X18은 P(R22)이고, X19는 N이고, X20은 P(R23)인, 유기금속 화합물. - 제1항에 있어서,
R11 내지 R23은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C1-C20알킬기, C2-C20알케닐기, C2-C20알키닐기 및 C1-C20알콕시기;
중수소, -F, -Cl, -Br, -I, -CD3, -CD2H, -CDH2, -CF3, -CF2H, -CFH2, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, 시클로펜틸기, 시클로헥실기, 시클로헵틸기, 시클로옥틸기, 아다만타닐기(adamantanyl), 노르보나닐기(norbornanyl), 노르보네닐기(norbornenyl), 시클로펜테닐기, 시클로헥세닐기, 시클로헵테닐기, 페닐기, 나프틸기, 피리디닐기, 피리미디닐기, -Si(Q31)(Q32)(Q33), -N(Q31)(Q32), -B(Q31)(Q32), -C(=O)(Q31), -S(=O)2(Q31) 및 -P(=O)(Q31)(Q32) 중에서 선택된 적어도 하나로 치환된, C1-C20알킬기, C2-C20알케닐기, C2-C20알키닐기 및 C1-C20알콕시기;
시클로펜틸기, 시클로헥실기, 시클로헵틸기, 시클로옥틸기, 아다만타닐기, 노르보나닐기, 노르보네닐기, 시클로펜테닐기, 시클로헥세닐기, 시클로헵테닐기, 페닐기, 나프틸기, 플루오레닐기, 페난트레닐기, 안트라세닐기, 플루오란테닐기, 트리페닐레닐기, 파이레닐기, 크라이세닐기, 피롤일기, 티오페닐기, 퓨라닐기, 이미다졸일기, 피라졸일기, 티아졸일기, 이소티아졸일기, 옥사졸일기, 이속사졸일기, 피리디닐기, 피라지닐기, 피리미디닐기, 피리다지닐기, 이소인돌일기, 인돌일기, 인다졸일기, 푸리닐기, 퀴놀리닐기, 이소퀴놀리닐기, 벤조퀴놀리닐기, 퀴녹살리닐기, 퀴나졸리닐기, 시놀리닐기, 카바졸일기, 아크리디닐기, 페난트롤리닐기, 벤조이미다졸일기, 벤조퓨라닐기, 벤조티오페닐기, 이소벤조티아졸일기, 벤조옥사졸일기, 이소벤조옥사졸일기, 트리아졸일기, 테트라졸일기, 옥사디아졸일기, 트리아지닐기, 디벤조퓨라닐기, 디벤조티오페닐기, 벤조카바졸일기, 디벤조카바졸일기, 이미다조피리디닐기 및 이미다조피리미디닐기;
중수소, -F, -Cl, -Br, -I, -CD3, -CD2H, -CDH2, -CF3, -CF2H, -CFH2, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C1-C20알킬기, C2-C20알케닐기, C2-C20알키닐기, C1-C20알콕시기, 시클로펜틸기, 시클로헥실기, 시클로헵틸기, 시클로옥틸기, 아다만타닐기, 노르보나닐기, 노르보네닐기, 시클로펜테닐기, 시클로헥세닐기, 시클로헵테닐기, 페닐기, 나프틸기, 플루오레닐기, 페난트레닐기, 안트라세닐기, 플루오란테닐기, 트리페닐레닐기, 파이레닐기, 크라이세닐기, 피롤일기, 티오페닐기, 퓨라닐기, 이미다졸일기, 피라졸일기, 티아졸일기, 이소티아졸일기, 옥사졸일기, 이속사졸일기, 피리디닐기, 피라지닐기, 피리미디닐기, 피리다지닐기, 이소인돌일기, 인돌일기, 인다졸일기, 푸리닐기, 퀴놀리닐기, 이소퀴놀리닐기, 벤조퀴놀리닐기, 퀴녹살리닐기, 퀴나졸리닐기, 시놀리닐기, 카바졸일기, 아크리디닐기, 페난트롤리닐기, 벤조이미다졸일기, 벤조퓨라닐기, 벤조티오페닐기, 이소벤조티아졸일기, 벤조옥사졸일기, 이소벤조옥사졸일기, 트리아졸일기, 테트라졸일기, 옥사디아졸일기, 트리아지닐기, 디벤조퓨라닐기, 디벤조티오페닐기, 벤조카바졸일기, 디벤조카바졸일기, 이미다조피리디닐기, 이미다조피리미디닐기, -Si(Q31)(Q32)(Q33), -N(Q31)(Q32), -B(Q31)(Q32), -C(=O)(Q31), -S(=O)2(Q31) 및 -P(=O)(Q31)(Q32) 중에서 선택된 적어도 하나로 치환된, 시클로펜틸기, 시클로헥실기, 시클로헵틸기, 시클로옥틸기, 아다만타닐기, 노르보나닐기, 노르보네닐기, 시클로펜테닐기, 시클로헥세닐기, 시클로헵테닐기, 페닐기, 나프틸기, 플루오레닐기, 페난트레닐기, 안트라세닐기, 플루오란테닐기, 트리페닐레닐기, 파이레닐기, 크라이세닐기, 피롤일기, 티오페닐기, 퓨라닐기, 이미다졸일기, 피라졸일기, 티아졸일기, 이소티아졸일기, 옥사졸일기, 이속사졸일기, 피리디닐기, 피라지닐기, 피리미디닐기, 피리다지닐기, 이소인돌일기, 인돌일기, 인다졸일기, 푸리닐기, 퀴놀리닐기, 이소퀴놀리닐기, 벤조퀴놀리닐기, 퀴녹살리닐기, 퀴나졸리닐기, 시놀리닐기, 카바졸일기, 아크리디닐기, 페난트롤리닐기, 벤조이미다졸일기, 벤조퓨라닐기, 벤조티오페닐기, 이소벤조티아졸일기, 벤조옥사졸일기, 이소벤조옥사졸일기, 트리아졸일기, 테트라졸일기, 옥사디아졸일기, 트리아지닐기, 디벤조퓨라닐기, 디벤조티오페닐기, 벤조카바졸일기, 디벤조카바졸일기, 이미다조피리디닐기 및 이미다조피리미디닐기; 및
-Si(Q1)(Q2)(Q3), -N(Q1)(Q2), -B(Q1)(Q2), -C(=O)(Q1), -S(=O)2(Q1), -P(Q1)(Q2) 및 -P(=O)(Q1)(Q2);
중에서 선택되고,
Q1 내지 Q3 및 Q31 내지 Q33은 서로 독립적으로,
수소, 중수소, -F, -Cl, -Br, -I, 시아노기, C1-C20알킬기, C2-C20알케닐기, C2-C20알키닐기, C1-C20알콕시기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C20아릴기, C1-C20헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기;
중에서 선택된, 유기금속 화합물. - 제1항에 있어서,
상기 R11 내지 R23은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 시아노기, 메틸기, -CD3, 에틸기, 프로필기, 이소프로필기, n-부틸기, 이소부틸기, sec-부틸기, tert-부틸기, 페닐기, 벤질기 및 -Si(CH3)3 중에서 선택된, 유기금속 화합물. - 제1항에 있어서,
R21 및 R23은 서로 동일하며, 메틸기, -CD3, 이소프로필기, 벤질기 및 -Si(CH3)3 중에서 선택되고,
R22는 메틸기, 이소프로필기 및 페닐기 중에서 선택된, 유기금속 화합물. - 제1전극;
상기 제1전극에 대향된 제2전극; 및
상기 제1전극과 상기 제2전극 사이에 배치되고 발광층을 포함한 유기층;을 포함하고,
상기 제1항 내지 제13항 중 어느 한 항의 유기금속 화합물을 1종 이상 포함한, 유기 발광 소자. - 제14항에 있어서,
상기 발광층이 상기 유기금속 화합물을 포함한, 유기 발광 소자. - 제15항에 있어서,
상기 발광층이 호스트를 더 포함하고,
상기 호스트는 제1호스트 및 제2호스트 중 적어도 하나를 포함한, 유기 발광 소자. - 제16항에 있어서,
상기 제1호스트는 π 전자 결핍성 함질소 고리를 적어도 하나 포함한 전자 수송성 화합물을 포함하고,
상기 제2호스트는 카바졸 그룹, 디벤조퓨란 그룹, 디벤조티오펜 그룹, 플루오렌 그룹, 아자카바졸 그룹 및 디아자카바졸 그룹 중 적어도 하나를 포함한 정공 수송성 화합물을 포함한, 유기 발광 소자. - 제16항에 있어서,
상기 발광층이 제1호스트 및 제2호스트를 모두 포함하고, 상기 제1호스트와 제2호스트가 엑시플렉스(exciplex)를 형성하는, 유기 발광 소자. - 제18항에 있어서, 상기 제1호스트와 제2호스트로부터 형성된 엑시플렉스의 PL 발광 스펙트럼(photoluminescence spectrum) 중 최대 발광 파장 (λmax)은 390 nm 이상 및 500 nm 이하인, 유기 발광 소자.
- 제18항에 있어서, 상기 제1호스트와 제2호스트로부터 형성된 엑시플렉스의 시간-분해 발광 스펙트럼 (time-resolved photoluminescence(TRPL) spectrum) 중 지연 형광(delayed fluorescence)의 감소 시간(decay time)(τdacay)은 50 나노초(ns) 이상인, 유기 발광 소자.
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US16/683,549 US11124533B2 (en) | 2019-04-08 | 2019-11-14 | Organometallic compound and organic light-emitting device including the same |
US17/403,843 US11697664B2 (en) | 2019-04-08 | 2021-08-16 | Organometallic compound and organic light-emitting device including the same |
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US7393599B2 (en) | 2004-05-18 | 2008-07-01 | The University Of Southern California | Luminescent compounds with carbene ligands |
KR100730115B1 (ko) | 2004-06-23 | 2007-06-19 | 삼성에스디아이 주식회사 | 이리듐 화합물 및 이를 이용한 유기 전계 발광 소자 |
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KR101681273B1 (ko) | 2012-11-02 | 2016-11-30 | 삼성전자 주식회사 | 유기 금속 착물, 이를 이용한 유기 전계 발광 소자 및 표시 장치 |
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US20200317707A1 (en) | 2020-10-08 |
US11697664B2 (en) | 2023-07-11 |
US11124533B2 (en) | 2021-09-21 |
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