KR20200115890A - 유기 발광 소자 및 전자 장치 - Google Patents
유기 발광 소자 및 전자 장치 Download PDFInfo
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- KR20200115890A KR20200115890A KR1020190036222A KR20190036222A KR20200115890A KR 20200115890 A KR20200115890 A KR 20200115890A KR 1020190036222 A KR1020190036222 A KR 1020190036222A KR 20190036222 A KR20190036222 A KR 20190036222A KR 20200115890 A KR20200115890 A KR 20200115890A
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- -1 dibenzofuranyl group Chemical group 0.000 claims description 360
- 239000010410 layer Substances 0.000 claims description 200
- 125000003118 aryl group Chemical group 0.000 claims description 153
- 239000002019 doping agent Substances 0.000 claims description 135
- 150000001875 compounds Chemical class 0.000 claims description 93
- 125000003367 polycyclic group Chemical group 0.000 claims description 89
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 87
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 81
- 229910052805 deuterium Inorganic materials 0.000 claims description 81
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 75
- 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 71
- 125000006267 biphenyl group Chemical group 0.000 claims description 71
- 125000001624 naphthyl group Chemical group 0.000 claims description 65
- 125000006753 (C1-C60) heteroaryl group Chemical group 0.000 claims description 59
- 125000006749 (C6-C60) aryl group Chemical group 0.000 claims description 59
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 claims description 58
- 125000000717 hydrazino group Chemical group [H]N([*])N([H])[H] 0.000 claims description 58
- 125000005638 hydrazono group Chemical group 0.000 claims description 58
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 58
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 58
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 57
- 125000006717 (C3-C10) cycloalkenyl group Chemical group 0.000 claims description 54
- 125000006376 (C3-C10) cycloalkyl group Chemical group 0.000 claims description 54
- 125000004585 polycyclic heterocycle group Chemical group 0.000 claims description 47
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 46
- 125000006743 (C1-C60) alkyl group Chemical group 0.000 claims description 44
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims description 44
- 125000006751 (C6-C60) aryloxy group Chemical group 0.000 claims description 42
- 229910052799 carbon Inorganic materials 0.000 claims description 42
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 40
- 125000006744 (C2-C60) alkenyl group Chemical group 0.000 claims description 40
- 125000006745 (C2-C60) alkynyl group Chemical group 0.000 claims description 40
- 125000006746 (C1-C60) alkoxy group Chemical group 0.000 claims description 39
- 125000004366 heterocycloalkenyl group Chemical group 0.000 claims description 39
- 125000005509 dibenzothiophenyl group Chemical group 0.000 claims description 38
- 125000003860 C1-C20 alkoxy group Chemical group 0.000 claims description 37
- 230000005525 hole transport Effects 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 37
- 229910052757 nitrogen Inorganic materials 0.000 claims description 37
- 125000002837 carbocyclic 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
- 125000006752 (C6-C60) arylthio group Chemical group 0.000 claims description 32
- 150000002431 hydrogen Chemical class 0.000 claims description 32
- 229910052739 hydrogen Inorganic materials 0.000 claims description 32
- 239000001257 hydrogen Substances 0.000 claims description 32
- 238000002347 injection Methods 0.000 claims description 32
- 239000007924 injection Substances 0.000 claims description 32
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 29
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 claims description 27
- 125000000623 heterocyclic group Chemical group 0.000 claims description 27
- 125000004076 pyridyl group Chemical group 0.000 claims description 27
- 125000002676 chrysenyl group Chemical group C1(=CC=CC=2C3=CC=C4C=CC=CC4=C3C=CC12)* 0.000 claims description 26
- 125000001725 pyrenyl group Chemical group 0.000 claims description 26
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 claims description 26
- 125000001544 thienyl group Chemical group 0.000 claims description 26
- 125000005299 dibenzofluorenyl group Chemical group C1(=CC=CC2=C3C(=C4C=5C=CC=CC5CC4=C21)C=CC=C3)* 0.000 claims description 25
- 239000012044 organic layer Substances 0.000 claims description 25
- 125000003373 pyrazinyl group Chemical group 0.000 claims description 24
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 24
- 229910052760 oxygen Inorganic materials 0.000 claims description 23
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 claims description 23
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 claims description 23
- 229910052717 sulfur Inorganic materials 0.000 claims description 22
- 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 21
- 230000000903 blocking effect Effects 0.000 claims description 20
- 125000004306 triazinyl group Chemical group 0.000 claims description 20
- 125000002098 pyridazinyl group Chemical group 0.000 claims description 19
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 16
- 125000004625 phenanthrolinyl group Chemical group N1=C(C=CC2=CC=C3C=CC=NC3=C12)* 0.000 claims description 16
- 125000004429 atom Chemical group 0.000 claims description 15
- 125000001072 heteroaryl group Chemical group 0.000 claims description 15
- 125000001424 substituent group Chemical group 0.000 claims description 15
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 14
- 238000000295 emission spectrum Methods 0.000 claims description 14
- 125000005553 heteroaryloxy group Chemical group 0.000 claims description 14
- 125000005368 heteroarylthio group Chemical group 0.000 claims description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 13
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 claims description 11
- 229910052698 phosphorus Inorganic materials 0.000 claims description 11
- 125000006762 (C1-C60) heteroarylene group Chemical group 0.000 claims description 10
- 125000006761 (C6-C60) arylene group Chemical group 0.000 claims description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 10
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical group C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 claims description 10
- 150000002391 heterocyclic compounds Chemical class 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000010409 thin film Substances 0.000 claims description 10
- 125000005724 cycloalkenylene group Chemical group 0.000 claims description 9
- 125000002993 cycloalkylene 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 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 9
- 125000006588 heterocycloalkylene group Chemical group 0.000 claims description 8
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 8
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 8
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 7
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 7
- 150000002902 organometallic compounds Chemical group 0.000 claims description 7
- 238000005424 photoluminescence Methods 0.000 claims description 7
- 241001122767 Theaceae Species 0.000 claims description 6
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 6
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 6
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 claims description 6
- 239000010948 rhodium Substances 0.000 claims description 6
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 claims description 5
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052741 iridium Inorganic materials 0.000 claims description 5
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 claims description 5
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 claims description 5
- 125000006606 n-butoxy group Chemical group 0.000 claims description 5
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 claims description 5
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 125000005920 sec-butoxy group Chemical group 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052771 Terbium Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 4
- 239000013110 organic ligand Substances 0.000 claims description 4
- 229910052762 osmium Inorganic materials 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 4
- 229910052693 Europium Inorganic materials 0.000 claims description 3
- 229910052775 Thulium Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052735 hafnium Inorganic materials 0.000 claims description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 claims description 3
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 3
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims description 3
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 3
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 2
- 125000003342 alkenyl group Chemical group 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 claims description 2
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 35
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 description 29
- 0 CC1(C)c2cc(-c3c(ccc(-c4cc(cccc5)*5*c4)c4)c4c(-c(cc4)ccc4-c4cc5ccccc5cc4)c4c3cccc4)ccc2-c2ccccc12 Chemical compound CC1(C)c2cc(-c3c(ccc(-c4cc(cccc5)*5*c4)c4)c4c(-c(cc4)ccc4-c4cc5ccccc5cc4)c4c3cccc4)ccc2-c2ccccc12 0.000 description 26
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 26
- 125000001041 indolyl group Chemical group 0.000 description 25
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 24
- 125000002541 furyl group Chemical group 0.000 description 24
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 24
- 125000003933 pentacenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C12)* 0.000 description 24
- 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
- 229910052783 alkali metal Inorganic materials 0.000 description 19
- 150000001340 alkali metals Chemical class 0.000 description 19
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 18
- 150000001342 alkaline earth metals Chemical class 0.000 description 18
- 125000002883 imidazolyl group Chemical group 0.000 description 18
- 125000000842 isoxazolyl group Chemical group 0.000 description 18
- 125000001828 phenalenyl group Chemical group C1(C=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 18
- 125000003226 pyrazolyl group Chemical group 0.000 description 18
- 239000002356 single layer Substances 0.000 description 18
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 16
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 16
- 125000004857 imidazopyridinyl group Chemical group N1C(=NC2=C1C=CC=N2)* 0.000 description 16
- 125000001791 phenazinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3N=C12)* 0.000 description 16
- 125000000641 acridinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3C=C12)* 0.000 description 15
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 15
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 14
- 125000001786 isothiazolyl group Chemical group 0.000 description 14
- 125000004593 naphthyridinyl group Chemical group N1=C(C=CC2=CC=CN=C12)* 0.000 description 14
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- 125000002971 oxazolyl group Chemical group 0.000 description 14
- 125000004934 phenanthridinyl group Chemical group C1(=CC=CC2=NC=C3C=CC=CC3=C12)* 0.000 description 14
- 125000003831 tetrazolyl group Chemical group 0.000 description 14
- 125000001113 thiadiazolyl group Chemical group 0.000 description 14
- 125000000335 thiazolyl group Chemical group 0.000 description 14
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- 229910052761 rare earth metal Inorganic materials 0.000 description 13
- 150000002910 rare earth metals Chemical class 0.000 description 13
- 229910052727 yttrium Inorganic materials 0.000 description 13
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 12
- 125000003828 azulenyl group Chemical group 0.000 description 12
- 125000004432 carbon atom Chemical group C* 0.000 description 12
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 description 12
- 125000003427 indacenyl group Chemical group 0.000 description 12
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 12
- 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 description 11
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 11
- 230000005281 excited state Effects 0.000 description 11
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 11
- 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 description 9
- 125000005872 benzooxazolyl group Chemical group 0.000 description 9
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 9
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- 239000000758 substrate Substances 0.000 description 9
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 8
- 125000005577 anthracene group Chemical group 0.000 description 8
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- 125000005566 carbazolylene group Chemical group 0.000 description 8
- XNKVIGSNRYAOQZ-UHFFFAOYSA-N dibenzofluorene Chemical group C12=CC=CC=C2C2=CC=CC=C2C2=C1CC1=CC=CC=C12 XNKVIGSNRYAOQZ-UHFFFAOYSA-N 0.000 description 8
- 125000005567 fluorenylene 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
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 8
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- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 7
- 150000001339 alkali metal compounds Chemical class 0.000 description 7
- 125000005842 heteroatom Chemical group 0.000 description 7
- 125000005560 phenanthrenylene group Chemical group 0.000 description 7
- 238000000103 photoluminescence spectrum Methods 0.000 description 7
- 125000001388 picenyl group Chemical group C1(=CC=CC2=CC=C3C4=CC=C5C=CC=CC5=C4C=CC3=C21)* 0.000 description 7
- 125000005581 pyrene group Chemical group 0.000 description 7
- 150000002909 rare earth metal compounds Chemical class 0.000 description 7
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 6
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 6
- KXZQISAMEOLCJR-UHFFFAOYSA-N 7H-indeno[2,1-a]anthracene Chemical group C1=CC=C2C=C3C4=CC5=CC=CC=C5CC4=CC=C3C2=C1 KXZQISAMEOLCJR-UHFFFAOYSA-N 0.000 description 6
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- HKMTVMBEALTRRR-UHFFFAOYSA-N Benzo[a]fluorene Chemical group C1=CC=CC2=C3CC4=CC=CC=C4C3=CC=C21 HKMTVMBEALTRRR-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 125000005578 chrysene group Chemical group 0.000 description 6
- 125000005584 chrysenylene group Chemical group 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 230000002950 deficient Effects 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 6
- 239000011368 organic material Substances 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
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- WCVXAYSKMJJPLO-UHFFFAOYSA-N furan Chemical group C=1C=COC=1.C=1C=COC=1 WCVXAYSKMJJPLO-UHFFFAOYSA-N 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
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- 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
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- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- CNAFOLPGHNAMBW-UHFFFAOYSA-N indeno[2,1-b]pyrrole Chemical group C1=CC=CC2=CC3=NC=CC3=C21 CNAFOLPGHNAMBW-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
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- 150000002527 isonitriles Chemical class 0.000 description 1
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- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 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
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical group [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 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
- 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
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 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
- 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
- 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
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
도 5는 일 구현예를 따르는 유기 발광 소자의 발광층에 포함된 제1호스트, 제1도펀트 및 제2도펀트의 에너지 관계를 도식적으로 나타낸 것이다.
화합물 | S1onset (eV) |
S1max (eV) |
T1onset (eV) |
T1max (eV) |
화합물 40-1 | 2.92 | 2.83 | 2.82 | 2.75 |
화합물 12-1 | 2.79 | 2.68 | 2.70 | 2.63 |
화합물 40-2 | 2.9 | 2.79 | 2.86 | 2.74 |
화합물 FD23 | 2.89 | 2.71 | 2.70 | 2.63 |
화합물 B-1 | 2.66 | 2.61 | - | - |
화합물 A-2 | 2.97 | 2.85 | - | - |
화합물 B-2 | 2.75 | 2.62 | - | - |
화합물 A-3 | 3.33 | 3.27 | - | - |
화합물 B-3 | 3.17 | 2.95 | - | - |
화합물 A-4 | 2.99 | 2.85 | - | - |
화합물 B-4 | 2.87 | 2.75 | - | - |
발광층 | 구동전압 (V) |
외부 양자 효율(%) | LT50 (시간) |
색좌표 | |||
제1도펀트 | 제2도펀트 | CIEx | CIEy | ||||
실시예 1 | 화합물 40-1 | 화합물 12-1 | 3.5 | 24.5 | 220 | 0.13 | 0.128 |
실시예 2 | 화합물 40-2 | 화합물 FD23 | 3.9 | 22.5 | 153 | 0.13 | 0.203 |
실시예 3 | 화합물 40-1 | 화합물 12-2 | 3.7 | 20.7 | 230 | 0.13 | 0.132 |
비교예 1 | 화합물 40-1 | 화합물 B-1 | 4.1 | 5 | 0.5 | 0.1 | 0.32 |
비교예 2 | 화합물 A-2 | 화합물 B-2 | 4.5 | 6 | 0.5 | 0.150 | 0.123 |
비교예 3 | 화합물 A-3 | 화합물 B-3 | 4.7 | 5 | 1 | 0.151 | 0.087 |
비교예 4 | 화합물 A-4 | 화합물 B-4 | 4.4 | 6 | 1 | 0.187 | 0.271 |
110: 제1전극
150: 유기층
190: 제2전극
210: 제1캡핑층
220: 제2캡핑층
Claims (20)
- 제1전극;
상기 제1전극에 대향된 제2전극; 및
상기 제1전극과 상기 제2전극 사이에 배치된, 발광층을 포함한 유기층;을 포함하고,
상기 발광층이 제1호스트, 제1도펀트 및 제2도펀트를 포함하고,
상기 제1도펀트는 원자량이 40 이상인 금속을 포함한 유기금속 화합물인, 유기 발광 소자. - 제1항에 있어서,
상기 제1도펀트 및 상기 제2도펀트가 하기 수식 1-1 및 수식 1-2를 만족하는, 유기 발광 소자:
<수식 1-1>
S1(D1)onset ≥ S1(D2)onset
<수식 1-2>
S1(D1)max ≥ S1(D2)max
상기 수식 1-1 및 1-2 중,
S1(D1)onset은 상기 제1도펀트의 광 발광(Photoluminescence: PL) 스펙트럼의 온셋(onset) 파장(λonset)에서의 삼중항 에너지이고,
S1(D2)onset은 상기 제2도펀트의 광 발광 스펙트럼의 온셋 파장에서의 삼중항 에너지이고,
S1(D1)max는 상기 제1도펀트의 광 발광 스펙트럼의 최대 발광 파장(λmax)에서의 삼중항 에너지이고,
S1(D2)max는 상기 제2도펀트의 광 발광 스펙트럼의 최대 발광 파장에서의 삼중항 에너지이다. - 제1항에 있어서,
상기 제1도펀트 및 제2도펀트가 하기 수식 2-1을 만족하는, 유기 발광 소자:
<수식 2-1>
S1(D1)onset - S1(D2)onset ≤ 0.2 eV - 제1항에 있어서,
상기 제1도펀트 및 제2도펀트가 하기 수식 2-2를 만족하는, 유기 발광 소자:
<수식 2-2>
T1(D1)onset - T1(D2)onset ≤ 0.2 eV
상기 수식 2-2 중,
T1(D1)onset은 상기 제1도펀트의 광 발광 스펙트럼의 온셋 파장에서의 삼중항 에너지이고,
T1(D2)onset은 상기 제2도펀트의 광 발광 스펙트럼의 온셋 파장에서의 삼중항 에너지이다. - 제1항에 있어서,
상기 발광층은 최대 발광 파장이 420nm 이상 470nm 이하인 청색광을 방출하는, 유기 발광 소자. - 제1항에 있어서,
상기 발광층으로부터 방출되는 전체 발광 성분 중,
상기 제2도펀트로부터 방출되는 발광 성분의 비율이 50% 이상인, 유기 발광 소자. - 제1항에 있어서,
상기 발광층은 상기 제1호스트, 제1도펀트 및 제2도펀트로 이루어진(consist of), 유기 발광 소자. - 제1항에 있어서,
상기 제1도펀트는 하기 화학식 40 및 50 중 어느 하나로 표시되는 유기금속 화합물인, 유기 발광 소자:
<화학식 40>
<화학식 50>
상기 화학식 40 및 50 중,
M4 및 M5는 서로 독립적으로, 백금(Pt), 팔라듐(Pd), 구리(Cu), 은(Ag), 금(Au), 로듐(Rh), 이리듐(Ir), 루테늄(Ru), 오스뮴(Os), 티탄(Ti), 지르코늄(Zr), 하프늄(Hf), 유로퓸(Eu), 테르븀(Tb) 및 툴륨(Tm) 중에서 선택되고;
n51은 1 내지 3의 정수 중에서 선택되고,
Ln52는 유기 리간드이고, n52는 0 내지 2의 정수 중에서 선택되고,
Y41 내지 Y44, Y51 및 Y52는 서로 독립적으로, N 또는 C이고;
A41 내지 A44, A51 및 A52는 서로 독립적으로, C5-C60카보시클릭 그룹 및 C1-C60헤테로시클릭 그룹 중에서 선택되고,
T41 내지 T44, T51 및 T52는 서로 독립적으로, 단일결합, *-O-*' 및 *-S-*' 중에서 선택되고;
L41 내지 L44 및 L51은 서로 독립적으로, 단일결합, *-O-*', *-S-*', *-C(R45)(R46)-*', *-C(R45)=*', *=C(R45)-*', *-C(R45)=C(R45)-*', *-C(=O)-*', *-C(=S)-*', *-C≡C-*', *-B(R45)-*', *-N(R45)-*', *-P(R45)-*', *-Si(R45)(R46)-*', *-P(R45)(R46)-*' 및 *-Ge(R45)(R46)-*' 중에서 선택되고;
m41 내지 m44, m51 및 m52는 0 내지 3의 정수 중에서 선택되고,
R41 내지 R46, R51 및 R52는 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(Q41)(Q42)(Q43), -N(Q41)(Q42), -B(Q41)(Q42), -C(=O)(Q41), -S(=O)2(Q41) 및 -P(=O)(Q41)(Q42) 중에서 선택되고,
R45와 R41; R45와 R42; R45와 R43; 또는 R45와 R44;는 선택적으로, 서로 결합하여 치환 또는 비치환된 C5-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성할 수 있고,
b41, b42, b43 및 b44은 서로 독립적으로, 1 내지 8의 정수 중에서 선택되고;
* 및 *'은 이웃한 원자와의 결합 사이트이고,
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 중에서 선택된 적어도 하나의 치환기는,
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(Q51)(Q52)(Q53), -N(Q51)(Q52), -B(Q51)(Q52), -C(=O)(Q51), -S(=O)2(Q51) 및 -P(=O)(Q51)(Q52) 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(Q61)(Q62)(Q63), -N(Q61)(Q62), -B(Q61)(Q62), -C(=O)(Q61), -S(=O)2(Q61) 및 -P(=O)(Q61)(Q62) 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(Q71)(Q72)(Q73), -N(Q71)(Q72), -B(Q71)(Q72), -C(=O)(Q71), -S(=O)2(Q71) 및 -P(=O)(Q71)(Q72);
중에서 선택되고,
상기 Q41 내지 Q43, Q51 내지 Q53, Q61 내지 Q63 및 Q71 내지 Q73은 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, C6-C60아릴옥시기, C6-C60아릴티오기, C1-C60헤테로아릴기, C1-C60헤테로아릴옥시기, C1-C60헤테로아릴티오기, 1가 비-방향족 축합다환 그룹, 1가 비-방향족 헤테로축합다환 그룹; 중수소, -F 및 시아노기 중에서 선택된 적어도 하나로 치환된 C1-C60알킬기; 중수소, -F 및 시아노기 중에서 선택된 적어도 하나로 치환된 C6-C60아릴기; 비페닐기 및 터페닐기 중에서 선택된다. - 제8항에 있어서,
A41 내지 A44, A51 및 A52는 서로 독립적으로, 하기 화학식 2-1 내지 2-43 중 어느 하나로 표시되는 그룹에서 선택된, 유기 발광 소자:
상기 화학식 2-1 내지 2-43 중,
X21 내지 X23은 서로 독립적으로 C(R24) 및 C-* 중에서 선택되되, X21 내지 X23 중 적어도 둘 이상은 C-*이고,
X24는 N-*이고, X25 및 X26은 서로 독립적으로, C(R24) 및 C-* 중에서 선택되되, X25 및 X26 중 적어도 하나 이상은 C-*이고,
X27 및 X28은 서로 독립적으로 N, N(R25) 및 N-* 중에서 선택되고, X29는 C(R24) 및 C-* 중에서 선택되되, i) X27 및 X28 중 하나 이상은 N-*이고, X29는 C-*이거나, ii) X27 및 X28는 N-*이고 X29는 C(R24)이고,
R21 내지 R25는 서로 독립적으로, 본 명세서 중 R10에 대한 설명을 참조하고,
b21은 1, 2 및 3 중에서 선택되고,
b22는 1, 2, 3, 4 및 5 중에서 선택되고,
b23은 1, 2, 3 및 4 중에서 선택되고,
b24는 1 및 2 중에서 선택되고,
*는 이웃한 원자와의 결합 사이트이다. - 제8항에 있어서,
M4는 Pt이고,
M5는 Ir이고,
T41 내지 T44, T51 및 T52는 각각 단일결합이고,
L41 내지 L44 및 L51은 서로 독립적으로, 단일결합, *-O-*', *-S-*', *-C(R45)(R46)-*', *-C(R45)=*', *=C(R45)-*', *-C(R45)=C(R45)-*', *-C(=O)-*' 및 *-N(R45)-*' 중에서 선택되고,
R41 내지 R46, R51 및 R52는 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 시아노기, C1-C20알킬기 및 C1-C20알콕시기;
중수소, -F, -Cl, -Br, -I, 시아노기, 페닐기 및 비페닐기 중에서 선택된 적어도 하나로 치환된, C1-C20알킬기 및 C1-C20알콕시기; 및
페닐기, 비페닐기, 터페닐기, 나프틸기, 플루오레닐기, 스파이로-바이플루오레닐기, 카바졸일기, 디벤조퓨라닐기, 디벤조티오페닐기 및 디벤조실롤기; 및
중수소, -F, -Cl, -Br, -I, 시아노기, C1-C20알킬기, C1-C20알콕시기, 페닐기 및 비페닐기 중에서 선택된 적어도 하나로 치환된, 페닐기, 비페닐기, 터페닐기, 나프틸기, 플루오레닐기, 스파이로-바이플루오레닐기, 카바졸일기, 디벤조퓨라닐기, 디벤조티오페닐기 및 디벤조실롤기;
중에서 선택된, 유기 발광 소자. - 제1항에 있어서,
상기 제2도펀트가 하기 수식 3-2를 만족하는 지연 형광 도펀트인, 유기 발광 소자:
<수식 3-2>
S1(D2) - T1(D2) ≤ 0.3 eV
상기 수식 3-2 중,
S1(D2)은 상기 제2도펀트의 일중항 에너지이고,
T1(D2)은 상기 제2도펀트의 삼중항 에너지이다. - 제12항에 있어서,
상기 제2도펀트는 하기 화학식 11(4)로 표시된 헤테로시클릭 화합물을 포함한, 유기 발광 소자:
<화학식 11(4)>
상기 화학식 11(4) 중,
CY11 내지 CY13은 서로 독립적으로, C5-C60카보시클릭 그룹 또는 C1-C60헤테로시클릭 그룹이고,
Y11 및 Y12는 서로 독립적으로, 단일결합, -O-, -S-, -C(R14)(R15)-, -N(R14)-, Si(R14)(R15)-, -C(=O)-, -S(=O)2-, -B(R14)-, -P(R14)- 및 -P(=O)(R14)(R15)- 중에서 선택되고,
Y15는 N, B 또는 P이고,
R11 내지 R15은 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 C1-C60헤테로아릴옥시기, 치환 또는 비치환된 C1-C60헤테로아릴티오기, 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,
R11 내지 R15 중에서 선택된 2 이상의 치환기가 선택적으로(optionally), 서로 결합하여 치환 또는 비치환된 C5-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성하고,
a11 내지 a13은 서로 독립적으로, 1 내지 6의 정수 중에서 선택되고,
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 C1-C60헤테로아릴옥시기, 치환된 C1-C60헤테로아릴티오기, 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. - 제13항에 있어서,
상기 CY11 내지 CY14는 서로 독립적으로, 벤젠 그룹, 나프탈렌 그룹, 카바졸 그룹, 디벤조퓨란 그룹, 디벤조티오펜 그룹 및 디벤조실롤 그룹 중에서 선택되고,
상기 R11 내지 R15은 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 메틸기, 에틸기, n-프로필기, iso-프로필기, n-부틸기, sec-부틸기, iso-부틸기, tert-부틸기, 에테닐기, 프로페닐기, 부테닐기, 메톡시기, 에톡시기, n-프로폭시기, iso-프로폭시기, n-부톡시기, sec-부톡시기, iso-부톡시기, tert-부톡시기, 페닐기, 비페닐기 및 화학식 4-1 내지 4-34, 화학식 5-1 내지 5-26 및 화학식 6-1 내지 6-55 중 어느 하나로 표시되는 그룹 중에서 선택되는, 유기 발광 소자:
상기 화학식 4-1 내지 4-34, 화학식 5-1 내지 5-26 및 화학식 6-1 내지 6-55 중,
Y21 및 Y22은 서로 독립적으로, O, S, C(Z26)(Z27), N(Z26) 또는 Si(Z26)(Z27)이고,
Y23 내지 Y26은 서로 독립적으로, 단일결합, O, S, C(Z28)(Z29), N(Z28) 또는 Si(Z28)(Z29)이고,
Y27은 N, B 또는 P이고,
Y31은 O, S, C(Z34)(Z35), N(Z34) 또는 Si(Z34)(Z35)이고,Z21 내지 Z27 및 Z31 내지 Z35는 서로 독립적으로, 수소, 중수소, -F, -Cl, -Br, -I, 히드록실기, 시아노기, 니트로기, 아미노기, 아미디노기, 히드라지노기, 히드라조노기, C1-C20알킬기, C1-C20알콕시기, 페닐기, 비페닐기, 터페닐기, 나프틸기, 플루오레닐기, 스파이로-비플루오레닐기, 벤조플루오레닐기, 디벤조플루오레닐기, 페난트레닐기, 안트라세닐기, 파이레닐기, 크라이세닐기, 피리디닐기, 피라지닐기, 피리미디닐기, 피리다지닐기, 퀴놀리닐기, 이소퀴놀리닐기, 퀴녹살리닐기, 퀴나졸리닐기, 카바졸일기, 디벤조퓨라닐기, 디벤조티오페닐기, 트리아지닐기, 벤조이미다졸일기, 페난트롤리닐기 및 -Si(Q31)(Q32)(Q33) 중에서 선택되고,
상기 Q31 내지 Q33은 서로 독립적으로, C1-C10알킬기, C1-C10알콕시기, 페닐기, 비페닐기, 터페닐기 및 나프틸기 중에서 선택되고,
g2는 1 또는 2이고,
g3는 1 내지 3의 정수 중에서 선택되고,
g4는 1 내지 4의 정수 중에서 선택되고,
g5는 1 내지 5의 정수 중에서 선택되고,
g7은 1 내지 7의 정수 중에서 선택되고,
g8는 1 내지 8의 정수 중에서 선택되고,
e2는 1 또는 2이고,
e3는 1 내지 3의 정수 중에서 선택되고,
e4는 1 내지 4의 정수 중에서 선택되고,
e5는 1 내지 5의 정수 중에서 선택되고,
e6은 1 내지 6의 정수 중에서 선택되고,
e7은 1 내지 7의 정수 중에서 선택되고,
e9는 1 내지 9의 정수 중에서 선택되고,
* 은 이웃한 원자와의 결합 사이트이다. - 제1항에 있어서,
상기 제2도펀트가 형광 도펀트이고, 하기 화학식 501로 표시된 화합물을 포함한, 유기 발광 소자:
<화학식 501>
상기 화학식 501 중,
Ar501은 치환 또는 비치환된 C5-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹이고,
L501 내지 L503은 서로 독립적으로, 치환 또는 비치환된 C3-C10시클로알킬렌기, 치환 또는 비치환된 C1-C10헤테로시클로알킬렌기, 치환 또는 비치환된 C3-C10시클로알케닐렌기, 치환 또는 비치환된 C1-C10헤테로시클로알케닐렌기, 치환 또는 비치환된 C6-C60아릴렌기, 치환 또는 비치환된 C1-C60헤테로아릴렌기, 치환 또는 비치환된 2가 비-방향족 축합다환 그룹 및 치환 또는 비치환된 2가 비-방향족 헤테로축합다환 그룹 중에서 선택되고,
xd1 내지 xd3는 서로 독립적으로, 0 내지 3의 정수 중에서 선택되고,
R501 및 R502는 서로 독립적으로, 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 중에서 선택되고,
xd4는 1 내지 6의 정수 중에서 선택될 수 있다. - 제1항에 있어서,
상기 제1전극이 애노드이고,
상기 제2전극이 캐소드이고,
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. - 제17항에 있어서,
상기 정공 수송 영역이 p-도펀트를 포함하고,
상기 p-도펀트의 LUMO는 -3.5eV 이하인, 유기 발광 소자. - 제17항에 있어서,
상기 전자 수송 영역은 금속-함유 물질을 포함하는, 유기 발광 소자. - 제1항 내지 제19항 중 어느 한 항의 유기 발광 소자 및 박막 트랜지스터를 포함하고,
상기 유기 발광 소자의 제1전극과 상기 박막 트랜지스터의 소스 전극 및 드레인 전극 중 하나가 전기적으로 접촉되어 있는, 전자 장치.
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