KR102261645B1 - 헤테로시클릭 화합물 및 이를 포함한 유기 발광 소자 - Google Patents
헤테로시클릭 화합물 및 이를 포함한 유기 발광 소자 Download PDFInfo
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- KR102261645B1 KR102261645B1 KR1020180147692A KR20180147692A KR102261645B1 KR 102261645 B1 KR102261645 B1 KR 102261645B1 KR 1020180147692 A KR1020180147692 A KR 1020180147692A KR 20180147692 A KR20180147692 A KR 20180147692A KR 102261645 B1 KR102261645 B1 KR 102261645B1
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- 150000002391 heterocyclic compounds Chemical class 0.000 title claims abstract description 47
- -1 cya No group Chemical group 0.000 claims description 211
- 239000010410 layer Substances 0.000 claims description 203
- 125000003118 aryl group Chemical group 0.000 claims description 135
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 91
- 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 83
- 125000003367 polycyclic group Chemical group 0.000 claims description 81
- 125000006267 biphenyl group Chemical group 0.000 claims description 73
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 65
- 229910052805 deuterium Inorganic materials 0.000 claims description 65
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 62
- 125000001624 naphthyl group Chemical group 0.000 claims description 62
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 61
- 150000001875 compounds Chemical class 0.000 claims description 60
- 125000006749 (C6-C60) aryl group Chemical group 0.000 claims description 58
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 55
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 claims description 54
- 125000006717 (C3-C10) cycloalkenyl group Chemical group 0.000 claims description 52
- 125000006743 (C1-C60) alkyl group Chemical group 0.000 claims description 51
- 125000006376 (C3-C10) cycloalkyl group Chemical group 0.000 claims description 48
- 125000000717 hydrazino group Chemical group [H]N([*])N([H])[H] 0.000 claims description 47
- 125000005638 hydrazono group Chemical group 0.000 claims description 47
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 42
- 239000012044 organic layer Substances 0.000 claims description 42
- 125000006753 (C1-C60) heteroaryl group Chemical group 0.000 claims description 41
- 125000006744 (C2-C60) alkenyl group Chemical group 0.000 claims description 41
- 125000006745 (C2-C60) alkynyl group Chemical group 0.000 claims description 41
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 41
- 125000004585 polycyclic heterocycle group Chemical group 0.000 claims description 41
- 125000006746 (C1-C60) alkoxy group Chemical group 0.000 claims description 40
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 39
- 230000005525 hole transport Effects 0.000 claims description 37
- 125000006751 (C6-C60) aryloxy group Chemical group 0.000 claims description 36
- 125000003860 C1-C20 alkoxy group Chemical group 0.000 claims description 36
- 125000006752 (C6-C60) arylthio group Chemical group 0.000 claims description 35
- 125000004366 heterocycloalkenyl group Chemical group 0.000 claims description 35
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 claims description 35
- 125000004076 pyridyl group Chemical group 0.000 claims description 33
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 claims description 32
- 238000002347 injection Methods 0.000 claims description 32
- 239000007924 injection Substances 0.000 claims description 32
- 229910052739 hydrogen Inorganic materials 0.000 claims description 30
- 239000001257 hydrogen Substances 0.000 claims description 30
- 239000002019 doping agent Substances 0.000 claims description 29
- 150000002431 hydrogen Chemical class 0.000 claims description 29
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 claims description 29
- 125000000623 heterocyclic group Chemical group 0.000 claims description 27
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 claims description 25
- JQQSUOJIMKJQHS-UHFFFAOYSA-N pentaphenyl group Chemical group C1=CC=CC2=CC3=CC=C4C=C5C=CC=CC5=CC4=C3C=C12 JQQSUOJIMKJQHS-UHFFFAOYSA-N 0.000 claims description 25
- 125000003373 pyrazinyl group Chemical group 0.000 claims description 25
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 25
- 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
- 150000003839 salts Chemical class 0.000 claims description 24
- 125000001544 thienyl group Chemical group 0.000 claims description 24
- 125000002837 carbocyclic group Chemical group 0.000 claims description 23
- 125000005299 dibenzofluorenyl group Chemical group C1(=CC=CC2=C3C(=C4C=5C=CC=CC5CC4=C21)C=CC=C3)* 0.000 claims description 23
- 125000002541 furyl group Chemical group 0.000 claims description 23
- 125000001725 pyrenyl group Chemical group 0.000 claims description 23
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 claims description 22
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 claims description 22
- 229910052783 alkali metal Inorganic materials 0.000 claims description 21
- 150000001340 alkali metals Chemical class 0.000 claims description 21
- 125000001072 heteroaryl group Chemical group 0.000 claims description 21
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 21
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 20
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- 125000001633 hexacenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC5=CC6=CC=CC=C6C=C5C=C4C=C3C=C12)* 0.000 claims description 19
- 125000002883 imidazolyl group Chemical group 0.000 claims description 19
- 125000000842 isoxazolyl group Chemical group 0.000 claims description 19
- 125000003933 pentacenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C12)* 0.000 claims description 19
- 125000003226 pyrazolyl group Chemical group 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- 125000001828 phenalenyl group Chemical group C1(C=CC2=CC=CC3=CC=CC1=C23)* 0.000 claims description 17
- 125000001388 picenyl group Chemical group C1(=CC=CC2=CC=C3C4=CC=C5C=CC=CC5=C4C=CC3=C21)* 0.000 claims description 17
- 125000002098 pyridazinyl group Chemical group 0.000 claims description 17
- 125000001424 substituent group Chemical group 0.000 claims description 17
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 claims description 17
- 125000004429 atom Chemical group 0.000 claims description 16
- 125000002971 oxazolyl group Chemical group 0.000 claims description 16
- 229910052717 sulfur Inorganic materials 0.000 claims description 16
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 15
- 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 15
- 125000004857 imidazopyridinyl group Chemical group N1C(=NC2=C1C=CC=N2)* 0.000 claims description 15
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 15
- 150000002910 rare earth metals Chemical class 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 14
- 125000002192 heptalenyl group Chemical group 0.000 claims description 13
- 125000006748 (C2-C10) heterocycloalkenyl group Chemical group 0.000 claims description 12
- 125000006747 (C2-C10) heterocycloalkyl group Chemical group 0.000 claims description 12
- ICPSWZFVWAPUKF-UHFFFAOYSA-N 1,1'-spirobi[fluorene] Chemical group C1=CC=C2C=C3C4(C=5C(C6=CC=CC=C6C=5)=CC=C4)C=CC=C3C2=C1 ICPSWZFVWAPUKF-UHFFFAOYSA-N 0.000 claims description 12
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 12
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 claims description 12
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 claims description 12
- XNKVIGSNRYAOQZ-UHFFFAOYSA-N dibenzofluorene Chemical group C12=CC=CC=C2C2=CC=CC=C2C2=C1CC1=CC=CC=C12 XNKVIGSNRYAOQZ-UHFFFAOYSA-N 0.000 claims description 12
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 claims description 12
- 125000001786 isothiazolyl group Chemical group 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 125000000335 thiazolyl group Chemical group 0.000 claims description 12
- HKMTVMBEALTRRR-UHFFFAOYSA-N Benzo[a]fluorene Chemical group C1=CC=CC2=C3CC4=CC=CC=C4C3=CC=C21 HKMTVMBEALTRRR-UHFFFAOYSA-N 0.000 claims description 11
- 125000005577 anthracene group Chemical group 0.000 claims description 11
- 125000003828 azulenyl group Chemical group 0.000 claims description 11
- 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 11
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 11
- 125000003427 indacenyl group Chemical group 0.000 claims description 11
- 125000000168 pyrrolyl group Chemical group 0.000 claims description 11
- 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 11
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 10
- 125000005578 chrysene group Chemical group 0.000 claims description 10
- 125000005581 pyrene group Chemical group 0.000 claims description 10
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 claims description 9
- 150000001341 alkaline earth metal compounds Chemical class 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 125000003277 amino group Chemical group 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
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 8
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical group N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical group C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 claims description 8
- 150000001339 alkali metal compounds Chemical class 0.000 claims description 8
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine group Chemical group NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 8
- 125000005597 hydrazone group Chemical group 0.000 claims description 8
- ZLTPDFXIESTBQG-UHFFFAOYSA-N isothiazole Chemical group C=1C=NSC=1 ZLTPDFXIESTBQG-UHFFFAOYSA-N 0.000 claims description 8
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical group C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 claims description 8
- 150000002909 rare earth metal compounds Chemical class 0.000 claims description 8
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 8
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 claims description 7
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical group C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 claims description 7
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 7
- 125000003336 coronenyl group Chemical group C1(=CC2=CC=C3C=CC4=CC=C5C=CC6=CC=C1C1=C6C5=C4C3=C21)* 0.000 claims description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 6
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical group C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 5
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 claims description 5
- AELZBFQHFNMGJS-UHFFFAOYSA-N 1h-1-benzosilole Chemical group C1=CC=C2[SiH2]C=CC2=C1 AELZBFQHFNMGJS-UHFFFAOYSA-N 0.000 claims description 4
- HXGDTGSAIMULJN-UHFFFAOYSA-N acenaphthylene Chemical group C1=CC(C=C2)=C3C2=CC=CC3=C1 HXGDTGSAIMULJN-UHFFFAOYSA-N 0.000 claims description 4
- 239000003446 ligand Substances 0.000 claims description 4
- GUVXZFRDPCKWEM-UHFFFAOYSA-N pentalene group Chemical group C1=CC=C2C=CC=C12 GUVXZFRDPCKWEM-UHFFFAOYSA-N 0.000 claims description 4
- 239000010948 rhodium Substances 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052771 Terbium Inorganic materials 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 claims description 3
- 239000013110 organic ligand Substances 0.000 claims description 3
- 125000002524 organometallic group Chemical group 0.000 claims description 3
- 125000006736 (C6-C20) aryl group Chemical group 0.000 claims description 2
- 229910052693 Europium Inorganic materials 0.000 claims description 2
- 229910052775 Thulium Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052735 hafnium Inorganic materials 0.000 claims description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical group [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052762 osmium Inorganic materials 0.000 claims description 2
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 2
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims description 2
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 2
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 description 39
- 230000015572 biosynthetic process Effects 0.000 description 33
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- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 28
- 125000005509 dibenzothiophenyl group Chemical group 0.000 description 24
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 18
- 239000002356 single layer Substances 0.000 description 18
- 125000001041 indolyl group Chemical group 0.000 description 17
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 14
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 14
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- VESHSFVPYAHBNK-UHFFFAOYSA-N (3-triphenylsilylphenyl)boronic acid Chemical compound OB(O)C1=CC=CC([Si](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 VESHSFVPYAHBNK-UHFFFAOYSA-N 0.000 description 11
- 125000001791 phenazinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3N=C12)* 0.000 description 10
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- 239000000758 substrate Substances 0.000 description 9
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- 125000006761 (C6-C60) arylene group Chemical group 0.000 description 8
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- MHAUGLFOVCQYNR-UHFFFAOYSA-N pentaphenylene Chemical group C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C3=CC=CC=C3C3=CC=CC=C3C2=C1 MHAUGLFOVCQYNR-UHFFFAOYSA-N 0.000 description 8
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- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 6
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- 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
- 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
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 description 1
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 1
- 150000002527 isonitriles Chemical class 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
- 125000005647 linker group Chemical group 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
- 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
- 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
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 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
- 230000035945 sensitivity Effects 0.000 description 1
- 229910001415 sodium ion Inorganic materials 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
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-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
- 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
Y1은 O 또는 S이고,
상기 화학식 2-1 내지 2-7 중, Y1은 O 또는 S이고,
화합물 | 1H NMR (CDCl3 , 400 MHz) | MS/FAB | |
Found | calc. | ||
3 | 8.54 (d, 2H), 8.37 (d, 1H), 8.19 (d, 2H), 7.92 (d, 2H), 7.87 (s, 1H), 7.63 (t, 1H), 7.57-7.54 (m, 3H), 7.5 (t, 2H), 7.45-7.32 (m, 17H), 7.2 (t, 2H), 7.12 (t, 2H) | 746.33 | 745.27 |
4 | 8.95(s, 2H), 8.37-8.32 (m, 3H), 7.87-7.82 (m, 3H), 7.65-7.60 (m, 2H), 7.55 (d, 1H), 7.49 (d, 2H), 7.45-7.32 (m, 15H), 7.11 (d, 2H), 1.43 (s, 12H) | 970.69 | 969.52 |
8 | 8.54 (d, 1H), 8.36 (d, 2H), 7.93 (s, 2H), 7.88-7.74 (m, 2H), 7.76 (t, 2H), 7.56 (d, 2H), 7.45-7.32 (m, 30H), 7.29-7.22 (m, 2H), 7.12 (t, 1H) | 940.28 | 939.32 |
18 | 8.55 (d, 1H), 8.3 (d, 1H), 7.98-7.90 (m, 4H), 7.82 (d, 1H), 7.8 (s, 1H), 7.72 (d, 1H), 7.67-7.50 (m, 7H), 7.44-7.40 (m, 7H), 7.32-7.22 (m, 20H), 7.11 (t, 1H) | 848.33 | 847.28 |
22 | 8.55(d, 1H), 8.37-8.32 (m, 3H), 8.22 (d, 1H), 7.94 (d, 1H), 7.87 (s, 1H), 7.69-7.62 (m, 2H), 7.56 (d, 1H), 7.51-7.45 (m, 15H), 7.39-7.32 (m, 19H), 7.26 (t, 1H), 7.16 (t, 1H) | 915.23 | 914.33 |
53 | 8.38(d, 1H), 7.87 (s, 1H), 7.62 (t, 1H), 7.56 (d, 1H), 7.46 (m, 12H), 7.38 (d, 18H), 7.22 (t, 4H), 7.09 (d, 4H), 6.99 (t, 2H) | 917.33 | 916.34 |
58 | 8.38-8.32 (m, 3H), 7.88 (s, 1H), 7.62 (t, 1H), 7.52 (d, 1H), 7.50-7.35 (m, 34H), 7.30 (s, 1H), 7.24 (t, 2H), 7.17 (t, 1H), 7.12 (d, 1H), 7.05 (t, 1H) | 917.29 | 916.34 |
구분 | 발광층 중 호스트 | 구동전압 (V) |
전류밀도(mA/cm2) | 최대양자효율(%) | 발광색 |
실시예 1 | 화합물 3 | 3.6 | 2.3 | 18.9 | 청색 |
실시예 2 | 화합물 4 | 3.8 | 2.3 | 18.2 | 청색 |
실시예 3 | 화합물 8 | 4.1 | 2.3 | 17.3 | 청색 |
실시예 4 | 화합물 18 | 4.5 | 2.3 | 20.2 | 청색 |
실시예 5 | 화합물 22 | 3.9 | 2.3 | 21.3 | 청색 |
실시예 6 | 화합물 53 | 4.1 | 2.3 | 19.1 | 청색 |
실시예 7 | 화합물 58 | 4.3 | 2.3 | 21.5 | 청색 |
비교예 1 | A | 4.6 | 2.3 | 13.3 | 청색 |
비교예 2 | B | 4.7 | 2.3 | 12.9 | 청색 |
비교예 3 | C | 4.9 | 2.3 | 13.1 | 청색 |
비교예 4 | D | 4.3 | 2.3 | 8.9 | 청색 |
비교예 5 | E | 5.1 | 2.3 | 14.3 | 청색 |
110: 제1전극
150: 유기층
190: 제2전극
210: 제1캡핑층
220: 제2캡핑층
Claims (20)
- 제1전극;
상기 제1전극에 대향된 제2전극; 및
상기 제1전극과 상기 제2전극 사이에 개재되고 발광층을 포함한 유기층;
을 포함하고,
하기 화학식 1로 표시된 헤테로시클릭 화합물을 1종 이상 포함한, 유기 발광 소자:
<화학식 1>
상기 화학식 1 및 2-1 내지 2-6 중,
X1 내지 X3은 서로 독립적으로, N 또는 C(R15)이고, 단, X1 내지 X3 중 적어도 하나는 N이고,
L1 내지 L3은 서로 독립적으로, 치환 또는 비치환된 C3-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹이고,
a1 내지 a3은 서로 독립적으로, 0 내지 3 중에서 선택된 정수이고,
i) 상기 Ar1 및 Ar2가 상기 화학식 2-1로 표시된 그룹이고, Ar3가 상기 화학식 2-2로 표시된 그룹이거나; ii) 상기 Ar1 및 Ar2가 상기 화학식 2-1로 표시된 그룹이고, Ar3가 상기 화학식 2-4로 표시된 그룹이거나; iii) 상기 Ar1이 상기 화학식 2-1로 표시된 그룹이고, Ar2 및 Ar3가 상기 화학식 2-3으로 표시된 그룹이거나; iv) 상기 Ar1이 상기 화학식 2-1로 표시된 그룹이고, Ar2 및 Ar3가 상기 화학식 2-4로 표시된 그룹이거나; v) 상기 Ar1 및 Ar2가 상기 화학식 2-3으로 표시된 그룹이고, Ar3가 상기 화학식 2-6으로 표시된 그룹이거나; vi) 상기 Ar1이 상기 화학식 2-1로 표시된 그룹이고, Ar2가 상기 화학식 2-2로 표시된 그룹이고, Ar3가 상기 화학식 2-3으로 표시된 그룹이거나; 또는 vii) 상기 Ar1이 상기 화학식 2-1로 표시된 그룹이고, Ar2가 상기 화학식 2-3으로 표시된 그룹이고, Ar3가 상기 화학식 2-6으로 표시된 그룹이고,
Y1은 O 또는 S이고,
R1 내지 R16은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미노기, 아미디노기, 히드라진기, 히드라존기, 카르복실산기 또는 이의 염, 술폰산기 또는 이의 염, 인산기 또는 이의 염, 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 C2-C10헤테로시클로알킬기, 치환 또는 비치환된 C3-C10시클로알케닐기, 치환 또는 비치환된 C2-C10헤테로시클로알케닐기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C2-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹 및 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹, -Si(Q1)(Q2)(Q3), -N(Q1)(Q2), -B(Q1)(Q2), -S(=O)2(Q1) 및 -P(=O)(Q1)(Q2) 중에서 선택되고,
b3는 0 내지 3 중에서 선택된 정수이고, b4는 0 내지 4 중에서 선택된 정수이고, b5는 0 내지 5 중에서 선택된 정수이고,
단, 상기 화학식 1로 표시되는 헤테로시클릭 화합물에 포함된 상기 화학식 2-1 내지 2-6 중 어느 하나로 표시된 그룹의 치환기 R1 내지 R11 중 적어도 하나는, -Si(Q1)(Q2)(Q3)이고,
상기 치환된 C3-C60카보시클릭 그룹, 치환된 C1-C60헤테로시클릭 그룹, 치환된 C1-C60알킬기, 치환된 C2-C60알케닐기, 치환된 C2-C60알키닐기, 치환된 C1-C60알콕시기, 치환된 C3-C10시클로알킬기, 치환된 C2-C10헤테로시클로알킬기, 치환된 C3-C10시클로알케닐기, 치환된 C2-C10헤테로시클로알케닐기, 치환된 C6-C60아릴기, 치환된 C6-C60아릴옥시기, 치환된 C6-C60아릴티오기, 치환된 C2-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, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기;
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, 비페닐기, 터페닐기, -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, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기; 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-C60알킬기로 치환된 C6-C60아릴기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기; 및
중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C1-C60알킬기 및 -Si(Ra)(Rb)(Rc) 중에서 선택된 적어도 하나로 치환된, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기, C1-C60알콕시기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C1-C60알킬기로 치환된 C6-C60아릴기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기; 중에서 선택되고,
상기 Ra 내지 Rc는 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미노기, 아미디노기, 히드라진기, 히드라존기, 카르복실산기 또는 이의 염, 술폰산기 또는 이의 염, 인산기 또는 이의 염, 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 C2-C10헤테로시클로알킬기, 치환 또는 비치환된 C3-C10시클로알케닐기, 치환 또는 비치환된 C2-C10헤테로시클로알케닐기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C2-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹 및 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹 중에서 선택되고,
*은 이웃한 원자와의 결합 사이트이다. - 제1항에 있어서,
상기 제1전극이 애노드이고,
상기 제2전극이 캐소드이고,
상기 유기층은 상기 헤테로시클릭 화합물을 1종 이상 포함하고,
상기 유기층은 상기 제1전극과 상기 발광층 사이에 개재된 정공 수송 영역 및 상기 발광층과 상기 제2전극 사이에 개재된 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 발광층은 도펀트 및 호스트를 포함하고,
상기 호스트는 상기 헤테로시클릭 화합물을 1종 이상 포함한, 유기 발광 소자. - 제3항에 있어서,
상기 도펀트는 인광 도펀트인, 유기 발광 소자. - 제3항에 있어서,
상기 도펀트는 하기 화학식 401로 표시되는 유기금속 착체를 포함한, 유기 발광 소자:
<화학식 401>
M(L401)xc1(L402)xc2
<화학식 402>
상기 화학식 401 및 402 중,
M은 이리듐(Ir), 백금(Pt), 팔라듐(Pd), 오스뮴(Os), 티탄(Ti), 지르코늄(Zr), 하프늄(Hf), 유로퓸(Eu), 테르븀(Tb), 로듐(Rh) 및 툴륨(Tm) 중에서 선택되고,
L401은 상기 화학식 402로 표시되는 리간드 중에서 선택되고, xc1은 1, 2 또는 3이고, xc1이 2 이상일 경우 2 이상의 L401은 서로 동일하거나 상이하고,
L402는 유기 리간드이고, xc2는 0 내지 4의 정수 중에서 선택되고, xc2가 2 이상일 경우 2 이상의 L402는 서로 동일하거나 상이하고,
X401 내지 X404는 서로 독립적으로, 질소 또는 탄소이고,
X401과 X403은 단일 결합 또는 이중 결합을 통하여 연결되고, X402와 X404는 단일 결합 또는 이중 결합을 통하여 연결되고,
A401 및 A402는 서로 독립적으로, C5-C60카보시클릭 그룹 또는 C1-C60헤테로시클릭 그룹이고,
X405는 단일 결합, *-O-*', *-S-*', *-C(=O)-*', *-N(Q411)-*', *-C(Q411)(Q412)-*', *-C(Q411)=C(Q412)-*', *-C(Q411)=*' 또는 *=C=*'이고, 상기 Q411 및 Q412는, 수소, 중수소, C1-C20알킬기, C1-C20알콕시기, 페닐기, 비페닐기, 터페닐기 또는 나프틸기이고,
X406은 단일 결합, O 또는 S이고,
R401 및 R402는 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, 치환 또는 비치환된 C1-C20알킬기, 치환 또는 비치환된 C1-C20알콕시기, 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 및 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹, -Si(Q401)(Q402)(Q403), -N(Q401)(Q402), -B(Q401)(Q402), -C(=O)(Q401), -S(=O)2(Q401) 및 -P(=O)(Q401)(Q402) 중에서 선택되고, 상기 Q401 내지 Q403은 서로 독립적으로, C1-C10알킬기, C1-C10알콕시기, C6-C20아릴기 및 C1-C20헤테로아릴기 중에서 선택되고,
xc11 및 xc12는 서로 독립적으로, 0 내지 10의 정수 중에서 선택되고,
상기 화학식 402 중 * 및 *'은 상기 화학식 401 중 M과의 결합 사이트이다. - 제2항에 있어서,
상기 정공 수송 영역이 LUMO 에너지 준위가 -3.5eV 보다 낮은 p-도펀트를 더 포함한, 유기 발광 소자. - 제2항에 있어서,
상기 전자 수송 영역은, 알칼리 금속, 알칼리 토금속, 희토류 금속, 알칼리 금속 화합물, 알칼리 토금속 화합물, 희토류 금속 화합물, 알칼리 금속 착체, 알칼리 토금속 착체, 희토류 금속 착체 또는 이들 중 임의의 조합을 포함한, 유기 발광 소자. - 제1항에 있어서,
상기 발광층은 제1색광 방출-발광층이고,
상기 제1전극과 제2전극 사이에, i) 적어도 하나의 제2색광 방출-발광층이 추가로 포함되어 있거나, ii) 적어도 하나의 제2색광 방출-발광층 및 적어도 하나의 제3색광 방출-발광층이 추가로 포함되어 있고,
상기 제1색광의 최대 발광 파장, 상기 제2색광의 최대 발광 파장 및 상기 제3색광의 최대 발광 파장은 서로 동일하거나 상이하고,
상기 제1색광과 상기 제2색광이 서로 혼합된 혼색광 또는 상기 제1색광, 상기 제2색광 및 상기 제3색광이 서로 혼합된 혼색광이 방출되는, 유기 발광 소자. - 하기 화학식 1로 표시된 헤테로시클릭 화합물:
<화학식 1>
상기 화학식 1 및 2-1 내지 2-6 중,
X1 내지 X3은 서로 독립적으로, N 또는 C(R15)이고, 단, X1 내지 X3 중 적어도 하나는 N이고,
L1 내지 L3은 서로 독립적으로, 치환 또는 비치환된 C3-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹이고,
a1 내지 a3은 서로 독립적으로, 0 내지 3 중에서 선택된 정수이고,
i) 상기 Ar1 및 Ar2가 상기 화학식 2-1로 표시된 그룹이고, Ar3가 상기 화학식 2-2로 표시된 그룹이거나; ii) 상기 Ar1 및 Ar2가 상기 화학식 2-1로 표시된 그룹이고, Ar3가 상기 화학식 2-4로 표시된 그룹이거나; iii) 상기 Ar1이 상기 화학식 2-1로 표시된 그룹이고, Ar2 및 Ar3가 상기 화학식 2-3으로 표시된 그룹이거나; iv) 상기 Ar1이 상기 화학식 2-1로 표시된 그룹이고, Ar2 및 Ar3가 상기 화학식 2-4로 표시된 그룹이거나; v) 상기 Ar1 및 Ar2가 상기 화학식 2-3으로 표시된 그룹이고, Ar3가 상기 화학식 2-6으로 표시된 그룹이거나; vi) 상기 Ar1이 상기 화학식 2-1로 표시된 그룹이고, Ar2가 상기 화학식 2-2로 표시된 그룹이고, Ar3가 상기 화학식 2-3으로 표시된 그룹이거나; 또는 vii) 상기 Ar1이 상기 화학식 2-1로 표시된 그룹이고, Ar2가 상기 화학식 2-3으로 표시된 그룹이고, Ar3가 상기 화학식 2-6으로 표시된 그룹이고,
Y1은 O 또는 S이고,
R1 내지 R16은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미노기, 아미디노기, 히드라진기, 히드라존기, 카르복실산기 또는 이의 염, 술폰산기 또는 이의 염, 인산기 또는 이의 염, 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 C2-C10헤테로시클로알킬기, 치환 또는 비치환된 C3-C10시클로알케닐기, 치환 또는 비치환된 C2-C10헤테로시클로알케닐기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C2-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹 및 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹, -Si(Q1)(Q2)(Q3), -N(Q1)(Q2), -B(Q1)(Q2), -S(=O)2(Q1) 및 -P(=O)(Q1)(Q2) 중에서 선택되고,
b3는 0 내지 3 중에서 선택된 정수이고, b4는 0 내지 4 중에서 선택된 정수이고, b5는 0 내지 5 중에서 선택된 정수이고,
단, 상기 화학식 1로 표시되는 헤테로시클릭 화합물에 포함된 상기 화학식 2-1 내지 2-6 중 어느 하나로 표시된 그룹의 치환기 R1 내지 R11 중 적어도 하나는, -Si(Q1)(Q2)(Q3)이고,
상기 치환된 C3-C60카보시클릭 그룹, 치환된 C1-C60헤테로시클릭 그룹, 치환된 C1-C60알킬기, 치환된 C2-C60알케닐기, 치환된 C2-C60알키닐기, 치환된 C1-C60알콕시기, 치환된 C3-C10시클로알킬기, 치환된 C2-C10헤테로시클로알킬기, 치환된 C3-C10시클로알케닐기, 치환된 C2-C10헤테로시클로알케닐기, 치환된 C6-C60아릴기, 치환된 C6-C60아릴옥시기, 치환된 C6-C60아릴티오기, 치환된 C2-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, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기;
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, 비페닐기, 터페닐기, -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, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기; 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-C60알킬기로 치환된 C6-C60아릴기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기; 및
중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미디노기, 히드라지노기, 히드라조노기, C1-C60알킬기 및 -Si(Ra)(Rb)(Rc) 중에서 선택된 적어도 하나로 치환된, C1-C60알킬기, C2-C60알케닐기, C2-C60알키닐기, C1-C60알콕시기, C3-C10시클로알킬기, C1-C10헤테로시클로알킬기, C3-C10시클로알케닐기, C1-C10헤테로시클로알케닐기, C6-C60아릴기, C1-C60알킬기로 치환된 C6-C60아릴기, C1-C60헤테로아릴기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹, 비페닐기 및 터페닐기; 중에서 선택되고,
상기 Ra 내지 Rc는 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미노기, 아미디노기, 히드라진기, 히드라존기, 카르복실산기 또는 이의 염, 술폰산기 또는 이의 염, 인산기 또는 이의 염, 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 C2-C10헤테로시클로알킬기, 치환 또는 비치환된 C3-C10시클로알케닐기, 치환 또는 비치환된 C2-C10헤테로시클로알케닐기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C2-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹 및 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹 중에서 선택되고,
*은 이웃한 원자와의 결합 사이트이다. - 제9항에 있어서,
상기 L1 내지 L3는 서로 독립적으로,
벤젠 그룹, 펜탈렌 그룹, 인덴 그룹, 나프탈렌 그룹, 아줄렌 그룹, 헵탈렌 그룹, 인다센 그룹, 아세나프탈렌 그룹, 플루오렌 그룹, 스파이로-비플루오렌 그룹, 스파이로-벤조플루오렌-플루오렌 그룹, 벤조플루오렌 그룹, 디벤조플루오렌 그룹, 페날렌 그룹, 페난트렌 그룹, 안트라센 그룹, 플루오란텐 그룹, 파이렌 그룹, 크라이센 그룹, 나프타센 그룹, 피센 그룹, 페릴렌 그룹, 피롤 그룹, 티오펜 그룹, 퓨란 그룹, 실롤 그룹, 이미다졸 그룹, 피라졸 그룹, 티아졸 그룹, 이소티아졸 그룹, 옥사졸 그룹, 이속사졸 그룹, 피리딘 그룹, 피라진 그룹, 피리미딘 그룹, 피리다진 그룹, 트리아진 그룹, 벤조퓨란 그룹, 벤조티오펜 그룹, 벤조실롤 그룹, 디벤조실롤 그룹, 퀴놀린 그룹, 이소퀴놀린 그룹, 벤조이미다졸 그룹, 이미다조피리딘 그룹, 및 이미다조피리미딘 그룹;
중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, C1-C20알킬기, C1-C20알콕시기, 시클로펜틸기, 시클로헥실기, 시클로헵틸기, 시클로펜테닐기, 시클로헥세닐기, 페닐기, 비페닐기, 터페닐기, 펜탈레닐기, 인데닐기, 나프틸기, 아줄레닐기, 헵탈레닐기, 인다세닐기, 아세나프틸기, 플루오레닐기, 스파이로-비플루오레닐기, 벤조플루오레닐기, 디벤조플루오레닐기, 페날레닐기, 페난트레닐기, 안트라세닐기, 플루오란테닐기, 파이레닐기, 크라이세닐기, 나프타세닐기, 피세닐기, 페릴기레닐기, 펜타페닐기, 헥사세닐기, 펜타세닐기, 루비세닐기, 코로네닐기, 오발레닐기, 피롤일기, 티오페닐기, 퓨라닐기, 피리디닐기, 피라지닐기, 피리미디닐기, 피리다지닐기, 퀴놀리닐기, 이소퀴놀리닐기, 벤조퓨라닐기, 벤조티오페닐기, -Si(Q31)(Q32)(Q33), -N(Q31)(Q32) 및 -B(Q31)(Q32) 중에서 선택된 적어도 하나로 치환된, 벤젠 그룹, 펜탈렌 그룹, 인덴 그룹, 나프탈렌 그룹, 아줄렌 그룹, 헵탈렌 그룹, 인다센 그룹, 아세나프탈렌 그룹, 플루오렌 그룹, 스파이로-비플루오렌 그룹, 스파이로-벤조플루오렌-플루오렌 그룹, 벤조플루오렌 그룹, 디벤조플루오렌 그룹, 페날렌 그룹, 페난트렌 그룹, 안트라센 그룹, 플루오란텐 그룹, 파이렌 그룹, 크라이센 그룹, 나프타센 그룹, 피센 그룹, 페릴렌 그룹, 피롤 그룹, 티오펜 그룹, 퓨란 그룹, 실롤 그룹, 이미다졸 그룹, 피라졸 그룹, 티아졸 그룹, 이소티아졸 그룹, 옥사졸 그룹, 이속사졸 그룹, 피리딘 그룹, 피라진 그룹, 피리미딘 그룹, 피리다진 그룹, 트리아진 그룹, 벤조퓨란 그룹, 벤조티오펜 그룹, 벤조실롤 그룹, 디벤조실롤 그룹, 퀴놀린 그룹, 이소퀴놀린 그룹, 벤조이미다졸 그룹, 이미다조피리딘 그룹, 및 이미다조피리미딘 그룹;
중에서 선택되고,
Q31 내지 Q33은 서로 독립적으로, C1-C20알킬기, C1-C20알콕시기, 페닐기, 비페닐기, 터페닐기, 나프틸기 및 피리디닐기 중에서 선택된, 헤테로시클릭 화합물. - 제9항에 있어서,
상기 L1 내지 L3는 서로 독립적으로, 하기 화학식 3-1 내지 3-27로 표시된 그룹 중에서 선택된, 헤테로시클릭 화합물:
상기 화학식 3-1 내지 3-27 중,
Y11은 C(Z3)(Z4), N(Z5), Si(Z6)(Z7), O 및 S 중 선택되고,
Z1 내지 Z7은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, C1-C20알킬기, C1-C20알콕시기, 시클로펜틸기, 시클로헥실기, 시클로헵틸기, 시클로펜테닐기, 시클로헥세닐기, 페닐기, 비페닐기, 터페닐기, 나프틸기, 플루오레닐기, 스파이로-비플루오레닐기, 벤조플루오레닐기, 디벤조플루오레닐기, 페난트레닐기, 안트라세닐기, 플루오란테닐기, 파이레닐기, 크라이세닐기, 피롤일기, 티오페닐기, 퓨라닐기, 실롤일기, 이미다졸일기, 피라졸일기, 티아졸일기, 이소티아졸일기, 옥사졸일기, 이속사졸일기, 피리디닐기, 피라지닐기, 피리미디닐기, 피리다지닐기, 벤조퓨라닐기, 벤조티오페닐기, 벤조실롤일기, 디벤조실롤일기, 및 -Si(Q31)(Q32)(Q33) 중에서 선택되고,
상기 Q31 내지 Q33은 서로 독립적으로, C1-C20알킬기, C1-C20알콕시기, 페닐기, 비페닐기, 터페닐기, 나프틸기 및 피리디닐기 중에서 선택되고,
d2는 0 내지 2의 정수이고,
d3는 0 내지 3의 정수이고,
d4는 0 내지 4의 정수이고,
d6는 0 내지 6의 정수이고,
d8은 0 내지 8의 정수이고,
* 및 *'은 이웃한 원자와의 결합 사이트이다. - 삭제
- 삭제
- 삭제
- 제9항에 있어서,
i) 상기 Ar1이 상기 화학식 2-1로 표시된 그룹인 경우, b5개의 R1 중 하나 이상은 -Si(Q1)(Q2)(Q3)이고,
ii) 상기 Ar1 및 Ar2가 상기 화학식 2-3으로 표시된 그룹이고, Ar3가 상기 화학식 2-6으로 표시된 그룹인 경우, b4개의 R10 및 b3개의 R11 중 하나 이상은 -Si(Q1)(Q2)(Q3)인, 헤테로시클릭 화합물. - 제9항에 있어서,
상기 Ar1 내지 Ar3는 서로 독립적으로, 하기 화학식 2-1(1) 내지 2-1(3), 2-2(1) 내지 2-2(2), 2-3(1) 내지 2-3(2), 2-4(1) 내지 2-4(2) 및 2-6(1) 내지 2-6(4) 중에서 선택된 어느 하나로 표시된 그룹인, 헤테로시클릭 화합물:
상기 화학식 2-1(1) 내지 2-1(3), 2-2(1) 내지 2-2(2), 2-3(1) 내지 2-3(2), 2-4(1) 내지 2-4(2) 및 2-6(1) 내지 2-6(4) 중,
Z11 내지 Z15는 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, C1-C20알킬기, C1-C20알콕시기, 시클로펜틸기, 시클로헥실기, 시클로헵틸기, 시클로펜테닐기, 시클로헥세닐기, 페닐기, 비페닐기, 터페닐기, 나프틸기, 플루오레닐기, 스파이로-비플루오레닐기, 벤조플루오레닐기, 디벤조플루오레닐기, 페난트레닐기, 안트라세닐기, 플루오란테닐기, 파이레닐기, 크라이세닐기, 피롤일기, 티오페닐기, 퓨라닐기, 실롤일기, 이미다졸일기, 피라졸일기, 티아졸일기, 이소티아졸일기, 옥사졸일기, 이속사졸일기, 피리디닐기, 피라지닐기, 피리미디닐기, 피리다지닐기, 벤조퓨라닐기, 벤조티오페닐기, 벤조실롤일기, 디벤조실롤일기, 및 -Si(Q31)(Q32)(Q33) 중에서 선택되고,
상기 Q31 내지 Q33은 서로 독립적으로, C1-C20알킬기, C1-C20알콕시기, 페닐기, 비페닐기, 터페닐기, 나프틸기 및 피리디닐기 중에서 선택되고,
e3는 0 내지 3의 정수이고,
e4는 0 내지 4의 정수이고,
e5는 0 내지 5의 정수이고,
Ph는 페닐기이고,
* 및 *'은 이웃한 원자와의 결합 사이트이다. - 제16항에 있어서,
상기 Ar1 내지 Ar3 중 하나 이상은 상기 화학식 2-1(2), 2-1(3), 2-2(2), 2-3(2), 2-6(3) 및 2-6(4) 중에서 선택된 어느 하나로 표시된 그룹인, 헤테로시클릭 화합물. - 제9항에 있어서,
i) 상기 X1 내지 X3는 N이거나;
ii) 상기 X1 및 X2는 N이고, X3는 C(R15)이거나;
iii) 상기 X1 및 X3는 N이고, X2는 C(R15)이거나;
iv) 상기 X2 및 X3는 N이고, X1은 C(R15)이거나;
v) 상기 X1은 N이고, X2 및 X3는 C(R15)이거나;
vi) 상기 X2는 N이고, X1 및 X3는 C(R15)이거나; 또는
vii) 상기 X3는 N이고, X1 및 X2는 C(R15)이고,
상기 R15는 수소인, 헤테로시클릭 화합물.
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WO2016080749A1 (en) * | 2014-11-18 | 2016-05-26 | Rohm And Haas Electronic Materials Korea Ltd. | A plurality of dopant materials and organic electroluminescent device comprising the same |
WO2016080791A1 (en) * | 2014-11-20 | 2016-05-26 | Rohm And Haas Electronic Materials Korea Ltd. | A plurality of host materials and an organic electroluminescent device comprising the same |
KR20160060569A (ko) * | 2014-11-20 | 2016-05-30 | 롬엔드하스전자재료코리아유한회사 | 복수종의 호스트 재료 및 이를 포함하는 유기 전계 발광 소자 |
KR102343146B1 (ko) * | 2014-12-16 | 2021-12-27 | 삼성디스플레이 주식회사 | 유기금속 화합물 및 이를 포함한 유기 발광 소자 |
KR20170008358A (ko) * | 2015-07-13 | 2017-01-24 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
US20230279029A1 (en) * | 2019-10-25 | 2023-09-07 | Universal Display Corporation | Organic electroluminescent materials and devices |
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KR101502316B1 (ko) * | 2014-04-18 | 2015-03-13 | 롬엔드하스전자재료코리아유한회사 | 복수종의 호스트 재료 및 이를 포함하는 유기 전계 발광 소자 |
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EP4113644A1 (en) | 2023-01-04 |
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EP3872888A3 (en) | 2021-12-22 |
EP3848992A1 (en) | 2021-07-14 |
US20230403928A1 (en) | 2023-12-14 |
CN111224005B (zh) | 2024-12-03 |
EP3657563A2 (en) | 2020-05-27 |
EP3872888B1 (en) | 2024-05-22 |
US20200168819A1 (en) | 2020-05-28 |
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