KR102635543B1 - 유기금속 화합물 및 이를 포함한 유기 발광 소자 - Google Patents
유기금속 화합물 및 이를 포함한 유기 발광 소자 Download PDFInfo
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- KR102635543B1 KR102635543B1 KR1020230071925A KR20230071925A KR102635543B1 KR 102635543 B1 KR102635543 B1 KR 102635543B1 KR 1020230071925 A KR1020230071925 A KR 1020230071925A KR 20230071925 A KR20230071925 A KR 20230071925A KR 102635543 B1 KR102635543 B1 KR 102635543B1
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- 150000002902 organometallic compounds Chemical class 0.000 title claims abstract description 52
- -1 and -B(Q 31 )(Q 32 ) Chemical group 0.000 claims description 250
- 239000010410 layer Substances 0.000 claims description 162
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 76
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 71
- 125000001624 naphthyl group Chemical group 0.000 claims description 60
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims description 44
- 230000005525 hole transport Effects 0.000 claims description 35
- 125000006749 (C6-C60) aryl group Chemical group 0.000 claims description 34
- 238000002347 injection Methods 0.000 claims description 34
- 239000007924 injection Substances 0.000 claims description 34
- 229910052799 carbon Inorganic materials 0.000 claims description 33
- 150000001875 compounds Chemical class 0.000 claims description 33
- 229910052757 nitrogen Inorganic materials 0.000 claims description 33
- 239000012044 organic layer Substances 0.000 claims description 33
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 claims description 31
- 125000002837 carbocyclic group Chemical group 0.000 claims description 29
- 125000000623 heterocyclic group Chemical group 0.000 claims description 26
- 125000006743 (C1-C60) alkyl group Chemical group 0.000 claims description 23
- 239000002019 doping agent Substances 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 16
- 239000003446 ligand Substances 0.000 claims description 16
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 12
- 125000006575 electron-withdrawing group Chemical group 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 125000001424 substituent group Chemical group 0.000 claims description 10
- 230000005284 excitation Effects 0.000 claims description 5
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 claims description 4
- 125000005329 tetralinyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 238000010494 dissociation reaction Methods 0.000 claims description 3
- 230000005593 dissociations Effects 0.000 claims description 3
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical group [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
- 125000003118 aryl group Chemical group 0.000 description 64
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 56
- 229910052805 deuterium Inorganic materials 0.000 description 56
- 125000003367 polycyclic group Chemical group 0.000 description 44
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 41
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 40
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 39
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 35
- 125000000714 pyrimidinyl group Chemical group 0.000 description 34
- 125000003860 C1-C20 alkoxy group Chemical group 0.000 description 33
- 125000006267 biphenyl group Chemical group 0.000 description 33
- 125000004076 pyridyl group Chemical group 0.000 description 32
- 125000001041 indolyl group Chemical group 0.000 description 31
- 125000002883 imidazolyl group Chemical group 0.000 description 30
- 125000005509 dibenzothiophenyl group Chemical group 0.000 description 29
- 125000000717 hydrazino group Chemical group [H]N([*])N([H])[H] 0.000 description 29
- 125000005638 hydrazono group Chemical group 0.000 description 29
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 29
- 239000000463 material Substances 0.000 description 29
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 description 28
- 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 28
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 28
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 28
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 27
- 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 27
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 27
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 description 27
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 description 27
- 125000003373 pyrazinyl group Chemical group 0.000 description 27
- 125000003226 pyrazolyl group Chemical group 0.000 description 26
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 26
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 26
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 25
- 125000002541 furyl group Chemical group 0.000 description 25
- 125000001544 thienyl group Chemical group 0.000 description 25
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 description 24
- 125000004366 heterocycloalkenyl group Chemical group 0.000 description 23
- 125000000592 heterocycloalkyl group Chemical group 0.000 description 23
- 125000000842 isoxazolyl group Chemical group 0.000 description 23
- 125000006717 (C3-C10) cycloalkenyl group Chemical group 0.000 description 22
- 125000006376 (C3-C10) cycloalkyl group Chemical group 0.000 description 22
- 125000001162 cycloheptenyl group Chemical group C1(=CCCCCC1)* 0.000 description 22
- 125000003831 tetrazolyl group Chemical group 0.000 description 22
- 125000006753 (C1-C60) heteroaryl group Chemical group 0.000 description 21
- 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 description 21
- 125000003518 norbornenyl group Chemical group C12(C=CC(CC1)C2)* 0.000 description 21
- 125000002971 oxazolyl group Chemical group 0.000 description 21
- 125000002098 pyridazinyl group Chemical group 0.000 description 21
- 125000004306 triazinyl group Chemical group 0.000 description 21
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 20
- 125000002676 chrysenyl group Chemical group C1(=CC=CC=2C3=CC=C4C=CC=CC4=C3C=CC12)* 0.000 description 20
- 125000001715 oxadiazolyl group Chemical group 0.000 description 20
- 125000004625 phenanthrolinyl group Chemical group N1=C(C=CC2=CC=C3C=CC=NC3=C12)* 0.000 description 20
- 125000000335 thiazolyl group Chemical group 0.000 description 20
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 19
- 125000004857 imidazopyridinyl group Chemical group N1C(=NC2=C1C=CC=N2)* 0.000 description 19
- 125000001725 pyrenyl group Chemical group 0.000 description 19
- 125000001425 triazolyl group Chemical group 0.000 description 19
- 125000006649 (C2-C20) alkynyl group Chemical group 0.000 description 18
- 125000003358 C2-C20 alkenyl group Chemical group 0.000 description 18
- 125000001786 isothiazolyl group Chemical group 0.000 description 18
- 125000004585 polycyclic heterocycle group Chemical group 0.000 description 18
- 125000000168 pyrrolyl group Chemical group 0.000 description 18
- 230000015572 biosynthetic process Effects 0.000 description 17
- 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 17
- 239000002356 single layer Substances 0.000 description 17
- 238000003786 synthesis reaction Methods 0.000 description 17
- 125000006751 (C6-C60) aryloxy group Chemical group 0.000 description 16
- 125000006752 (C6-C60) arylthio group Chemical group 0.000 description 16
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 16
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 16
- 125000006744 (C2-C60) alkenyl group Chemical group 0.000 description 15
- 125000006745 (C2-C60) alkynyl group Chemical group 0.000 description 15
- 229910052783 alkali metal Inorganic materials 0.000 description 15
- 150000001340 alkali metals Chemical class 0.000 description 15
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 15
- 150000001342 alkaline earth metals Chemical class 0.000 description 15
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 15
- 125000006746 (C1-C60) alkoxy group Chemical group 0.000 description 14
- 150000002431 hydrogen Chemical class 0.000 description 14
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 14
- 125000005299 dibenzofluorenyl group Chemical group C1(=CC=CC2=C3C(=C4C=5C=CC=CC5CC4=C21)C=CC=C3)* 0.000 description 13
- 125000001633 hexacenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC5=CC6=CC=CC=C6C=C5C=C4C=C3C=C12)* 0.000 description 13
- 125000003933 pentacenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C12)* 0.000 description 13
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 125000004432 carbon atom Chemical group C* 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 229910052761 rare earth metal Inorganic materials 0.000 description 11
- 150000002910 rare earth metals Chemical class 0.000 description 11
- 125000000641 acridinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3C=C12)* 0.000 description 10
- 125000001791 phenazinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3N=C12)* 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 9
- ABRVLXLNVJHDRQ-UHFFFAOYSA-N [2-pyridin-3-yl-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound FC(C1=CC(=CC(=N1)C=1C=NC=CC=1)CN)(F)F ABRVLXLNVJHDRQ-UHFFFAOYSA-N 0.000 description 9
- 125000004429 atom Chemical group 0.000 description 9
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical group C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 9
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 9
- 125000001828 phenalenyl group Chemical group C1(C=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 9
- 125000001388 picenyl group Chemical group C1(=CC=CC2=CC=C3C4=CC=C5C=CC=CC5=C4C=CC3=C21)* 0.000 description 9
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 9
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 8
- IYYZUPMFVPLQIF-ALWQSETLSA-N dibenzothiophene Chemical group C1=CC=CC=2[34S]C3=C(C=21)C=CC=C3 IYYZUPMFVPLQIF-ALWQSETLSA-N 0.000 description 8
- 125000004593 naphthyridinyl group Chemical group N1=C(C=CC2=CC=CN=C12)* 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 125000004934 phenanthridinyl group Chemical group C1(=CC=CC2=NC=C3C=CC=CC3=C12)* 0.000 description 8
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 8
- 125000001113 thiadiazolyl group Chemical group 0.000 description 8
- 150000003852 triazoles Chemical group 0.000 description 8
- 125000005580 triphenylene group Chemical group 0.000 description 8
- 125000006762 (C1-C60) heteroarylene group Chemical group 0.000 description 7
- 125000006761 (C6-C60) arylene group Chemical group 0.000 description 7
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 7
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical group C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 7
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 7
- 125000005577 anthracene group Chemical group 0.000 description 7
- 125000005578 chrysene group Chemical group 0.000 description 7
- ZLTPDFXIESTBQG-UHFFFAOYSA-N isothiazole Chemical group C=1C=NSC=1 ZLTPDFXIESTBQG-UHFFFAOYSA-N 0.000 description 7
- 125000005581 pyrene group Chemical group 0.000 description 7
- 229910052717 sulfur Inorganic materials 0.000 description 7
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 6
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical group C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 150000001339 alkali metal compounds Chemical class 0.000 description 6
- 125000004653 anthracenylene group Chemical group 0.000 description 6
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 125000005724 cycloalkenylene group Chemical group 0.000 description 6
- 125000002993 cycloalkylene group Chemical group 0.000 description 6
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical group C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 6
- 238000004992 fast atom bombardment mass spectroscopy Methods 0.000 description 6
- 125000005567 fluorenylene group Chemical group 0.000 description 6
- 125000005842 heteroatom Chemical group 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
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 125000004957 naphthylene group Chemical group 0.000 description 6
- 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 6
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 229920000767 polyaniline Polymers 0.000 description 6
- 125000005548 pyrenylene group Chemical group 0.000 description 6
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical group C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 6
- 125000005551 pyridylene group Chemical group 0.000 description 6
- 150000002909 rare earth metal compounds Chemical class 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 125000005730 thiophenylene group Chemical group 0.000 description 6
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 description 5
- 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 5
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical group C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 5
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 5
- MZSAMHOCTRNOIZ-UHFFFAOYSA-N 3-[4-(aminomethyl)-6-(trifluoromethyl)pyridin-2-yl]oxy-N-phenylaniline Chemical compound NCC1=CC(=NC(=C1)C(F)(F)F)OC=1C=C(NC2=CC=CC=C2)C=CC=1 MZSAMHOCTRNOIZ-UHFFFAOYSA-N 0.000 description 5
- HKMTVMBEALTRRR-UHFFFAOYSA-N Benzo[a]fluorene Chemical group C1=CC=CC2=C3CC4=CC=CC=C4C3=CC=C21 HKMTVMBEALTRRR-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical group C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 5
- 125000003828 azulenyl group Chemical group 0.000 description 5
- 239000000872 buffer Substances 0.000 description 5
- 125000005584 chrysenylene group Chemical group 0.000 description 5
- 125000003336 coronenyl group Chemical group C1(=CC2=CC=C3C=CC4=CC=C5C=CC6=CC=C1C1=C6C5=C4C3=C21)* 0.000 description 5
- 230000002950 deficient Effects 0.000 description 5
- XNKVIGSNRYAOQZ-UHFFFAOYSA-N dibenzofluorene Chemical group C12=CC=CC=C2C2=CC=CC=C2C2=C1CC1=CC=CC=C12 XNKVIGSNRYAOQZ-UHFFFAOYSA-N 0.000 description 5
- 125000006588 heterocycloalkylene group Chemical group 0.000 description 5
- 125000003427 indacenyl group Chemical group 0.000 description 5
- 125000002950 monocyclic group Chemical group 0.000 description 5
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical group C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 0.000 description 5
- 125000005560 phenanthrenylene group Chemical group 0.000 description 5
- 125000006736 (C6-C20) aryl group Chemical group 0.000 description 4
- UGUHFDPGDQDVGX-UHFFFAOYSA-N 1,2,3-thiadiazole Chemical group C1=CSN=N1 UGUHFDPGDQDVGX-UHFFFAOYSA-N 0.000 description 4
- YQDGQEKUTLYWJU-UHFFFAOYSA-N 5,6,7,8-tetrahydroquinoline Chemical group C1=CC=C2CCCCC2=N1 YQDGQEKUTLYWJU-UHFFFAOYSA-N 0.000 description 4
- 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 4
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 4
- ZEEBGORNQSEQBE-UHFFFAOYSA-N [2-(3-phenylphenoxy)-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound C1(=CC(=CC=C1)OC1=NC(=CC(=C1)CN)C(F)(F)F)C1=CC=CC=C1 ZEEBGORNQSEQBE-UHFFFAOYSA-N 0.000 description 4
- REAYFGLASQTHKB-UHFFFAOYSA-N [2-[3-(1H-pyrazol-4-yl)phenoxy]-6-(trifluoromethyl)pyridin-4-yl]methanamine Chemical compound N1N=CC(=C1)C=1C=C(OC2=NC(=CC(=C2)CN)C(F)(F)F)C=CC=1 REAYFGLASQTHKB-UHFFFAOYSA-N 0.000 description 4
- WZJYKHNJTSNBHV-UHFFFAOYSA-N benzo[h]quinoline Chemical compound C1=CN=C2C3=CC=CC=C3C=CC2=C1 WZJYKHNJTSNBHV-UHFFFAOYSA-N 0.000 description 4
- 238000004440 column chromatography Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 4
- 235000019341 magnesium sulphate Nutrition 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- 125000005565 oxadiazolylene group Chemical group 0.000 description 4
- RDOWQLZANAYVLL-UHFFFAOYSA-N phenanthridine Chemical compound C1=CC=C2C3=CC=CC=C3C=NC2=C1 RDOWQLZANAYVLL-UHFFFAOYSA-N 0.000 description 4
- 125000005550 pyrazinylene group Chemical group 0.000 description 4
- 125000005576 pyrimidinylene group Chemical group 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 125000005558 triazinylene group Chemical group 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 3
- FLBAYUMRQUHISI-UHFFFAOYSA-N 1,8-naphthyridine Chemical compound N1=CC=CC2=CC=CN=C21 FLBAYUMRQUHISI-UHFFFAOYSA-N 0.000 description 3
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- 125000004464 hydroxyphenyl group Chemical group 0.000 description 1
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- HLYTZTFNIRBLNA-LNTINUHCSA-K iridium(3+);(z)-4-oxopent-2-en-2-olate Chemical compound [Ir+3].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O HLYTZTFNIRBLNA-LNTINUHCSA-K 0.000 description 1
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- NYESPUIMUJRIAP-UHFFFAOYSA-N naphtho[1,2-e][1]benzofuran Chemical group C1=CC=CC2=C3C(C=CO4)=C4C=CC3=CC=C21 NYESPUIMUJRIAP-UHFFFAOYSA-N 0.000 description 1
- XRJUVKFVUBGLMG-UHFFFAOYSA-N naphtho[1,2-e][1]benzothiole Chemical group C1=CC=CC2=C3C(C=CS4)=C4C=CC3=CC=C21 XRJUVKFVUBGLMG-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 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
- 125000005593 norbornanyl group Chemical group 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 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
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 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
- 150000003839 salts Chemical group 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910001427 strontium ion Inorganic materials 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 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
- 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
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
| 화합물 No. | 시뮬레이션 데이터 | ||
| BDE 최소값 (eV) |
T1 에너지 준위 (eV) |
BDE 최소값 - T1 에너지 준위 (eV) |
|
| 1-1 | 3.674 | 2.718 | 0.956 |
| 1-2 | 2.894 | 2.892 | 0.002 |
| 1-3 | 3.729 | 3.156 | 0.573 |
| 1-4 | 3.709 | 3.149 | 0.56 |
| 1-5 | 3.288 | 3.063 | 0.225 |
| 1-6 | 3.557 | 3.175 | 0.382 |
| 1-7 | 3.556 | 3.184 | 0.327 |
| 1-8 | 3.225 | 3.162 | 0.057 |
| 1-A | 3.182 | 3.234 | -0.052 |
| 1-B | 3.166 | 3.287 | -0.121 |
| 1-C | 3.27 | 3.280 | -0.01 |
| 2-1 | 2.910 | 2.864 | 0.046 |
| 2-2 | 3.551 | 2.816 | 0.735 |
| 2-A | 0.94 | 3.096 | -2.102 |
| 2-B | 2.57 | 2.67 | -0.1 |
| 2-C | 2.58 | 2.99 | -0.38 |
| 도펀트 화합물 No. | 전류 밀도 (mA/cm2) |
발광 효율 (cd/A) | 최대 발광 파장 (nm) |
수명(T97) (hr@1000nit) |
|
| 실시예 1 | 1-5 | 4.2 | 15 | 461 | 0.7 |
| 비교예 A | 1-A | 4.1 | 13 | 454 | 0.2 |
110: 제1전극
150: 유기층
190: 제2전극
Claims (15)
- 하기 화학식 1로 표시되는 유기금속 화합물:
<화학식 1>
M(L1)n1(L2)n2
<화학식 2A> <화학식 2B>
상기 화학식 1 중 M은 이리듐(Ir)이고,
상기 화학식 1 중 L1은 상기 화학식 2A로 표시된 리간드이고, n1은 1, 2 또는 3이고, n1이 2 이상일 경우, 2 이상의 L1은 서로 동일하거나 상이하고,
상기 화학식 1 중 L2는 상기 화학식 2B로 표시된 리간드이고, n2는 0, 1 또는 2이고, n2가 2 이상일 경우, 2 이상의 L2는 서로 동일하거나 상이하고,
상기 화학식 1 중 n1 + n2는 3이고,
상기 화학식 2A 및 2B 중 * 및 *'은 상기 화학식 1 중 M과의 결합 사이트이고,
상기 화학식 2A 중 X1은 N 또는 C(R1)이고, X2는 N 또는 C(R2)이고, X3은 N 또는 C(R3)이고, X4는 N 또는 C(R4)이고, X5는 N 또는 C(R5)이고, X6은 N 또는 C(R6)이되, X3 내지 X6 중 N은 하나이고,
상기 화학식 2B 중 Y1은 C이고, Y2 및 Y3는 서로 독립적으로, C 또는 N이고, Y4는 N이고, Y1과 Y2 사이의 결합은 단일 결합 또는 이중 결합이고, Y2와 Y3 사이의 결합은 단일 결합이고, Y3와 Y4 사이의 결합은 단일 결합 또는 이중 결합이고,
상기 화학식 2B 중 고리 A1은 벤젠 그룹, 나프탈렌 그룹, 또는 1,2,3,4-테트라히드로나프탈렌 그룹이고, 고리 A2는 피리딘 그룹, 퀴놀린 그룹, 또는 5,6,7,8-테트라히드로퀴놀린 그룹이고,
상기 화학식 2A 및 2B 중 R1 내지 R7, R11 및 R12는 서로 독립적으로, 수소, -F, 시아노기, 치환 또는 비치환된 C1-C60알킬기, 치환 또는 비치환된 C6-C60아릴기, 및 -B(Q1)(Q2) 중에서 선택되고,
상기 화학식 2A 중 R1 내지 R7 중 이웃한 2개의 임의의 그룹은 선택적으로(optionally), 서로 결합하여, 치환 또는 비치환된 C4-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성할 수 있고,
상기 화학식 2B 중 복수 개의 R11 중 이웃한 2개의 임의의 그룹은 선택적으로, 서로 결합하여, 치환 또는 비치환된 C4-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성할 수 있고,
상기 화학식 2B 중 복수 개의 R12 중 이웃한 2개의 임의의 그룹은 선택적으로, 서로 결합하여, 치환 또는 비치환된 C4-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성할 수 있고,
상기 화학식 2B 중 서로 이웃한 R11 및 R12는 선택적으로, 서로 결합하여, 치환 또는 비치환된 C4-C60카보시클릭 그룹 또는 치환 또는 비치환된 C1-C60헤테로시클릭 그룹을 형성할 수 있고,
상기 화학식 2B 중 a11 및 a12는 서로 독립적으로, 0, 1, 2, 3, 4 또는 5이고,
i) 상기 화학식 1 중 n1이 3일 경우, a) 화학식 2A의 X2 및 X3는 N이거나; 또는 b) 화학식 2A의 X4 내지 X6 중 하나는 N이고, R7은 전자 당김기(electron withdrawing group)이고,
ii) 상기 화학식 1 중 n1이 1 또는 2일 경우, a) 화학식 2A의 X3, X5 및 X6 중 하나는 N이고, b) 화학식 2A의 X1은 C(R1)이고, X4는 C(R4)이고, R1 및 R4 중 적어도 하나는 전자 당김기이되, R1 및 R4 중 하나 이상은 시아노기이고,
상기 전자 당김기는,
-F, 시아노기, 또는 -B(Q1)(Q2)이거나; 또는 -F, -CF3, -CF2H, -CFH2, 시아노기, 및 -B(Q31)(Q32) 중에서 선택된 적어도 하나로 치환된 C1-C20알킬기이고,
치환된 C1-C60알킬기, 및 치환된 C6-C60아릴기의 치환기 중에서 선택된 치환기는 서로 독립적으로,
-F, 시아노기, 및 C1-C60알킬기;
-F, 시아노기, C6-C60아릴기, 및 -B(Q11)(Q12) 중에서 선택된 적어도 하나로 치환된, C1-C60알킬기;
C6-C60아릴기;
-F, 시아노기, C1-C60알킬기 및 -B(Q21)(Q22), 중에서 선택된 적어도 하나로 치환된, C6-C60아릴기; 및
-B(Q31)(Q32);
중에서 선택되고,
상기 Q1 내지 Q2, Q11 내지 Q12, Q21 내지 Q22 및 Q31 내지 Q32은 서로 독립적으로, 수소, -F, 시아노기, C1-C60알킬기, -F 및 시아노기 중에서 선택된 적어도 하나로 치환된 C1-C60알킬기, 및 -F 및 시아노기 중에서 선택된 적어도 하나로 치환된 C6-C60아릴기 중에서 선택된다. - 제1항에 있어서,
상기 화학식 1 중 n1은 3이고,
상기 화학식 1 중 3개의 L1은 서로 동일한, 유기금속 화합물. - 제1항에 있어서,
상기 L2가 하기 화학식 2B-1로 표시되는 리간드인, 유기금속 화합물:
상기 화학식 2B-1 중
Z1 및 Z2에 대한 설명은 각각 제1항 중 R11 및 R12에 대한 설명과 동일하고,
d4는 0 내지 4의 정수 중에서 선택되고,
* 및 *'은 서로 독립적으로, 화학식 1 중 M과의 결합 사이트이다. - 제1항에 있어서,
하기 화학식 1(1)로 표시되는, 유기금속 화합물:
상기 화학식 1(1) 중 M, R1 및 R4 내지 R7에 대한 설명은 각각 제1항에 기재된 바와 동일하다. - 제1항에 있어서,
하기 화학식 1(2) 내지 1(4) 중 하나로 표시되는, 유기금속 화합물:
상기 화학식 1(2) 내지 1(4) 중
M, X1, X2, R3 내지 R6에 대한 설명은 각각 제1항에 기재된 바와 동일하고,
R7은, -F, 시아노기, 또는 -B(Q1)(Q2)이거나; 또는 -F, -CF3, -CF2H, -CFH2, 시아노기, 및 -B(Q31)(Q32) 중에서 선택된 적어도 하나로 치환된 C1-C20알킬기이고,
Q1, Q2, Q31 및 Q32에 대한 설명은 각각 제1항에 기재된 바와 동일하다. - 제1항에 있어서,
하기 화학식 2(1) 내지 2(3) 중 하나로 표시되는, 유기금속 화합물:
상기 화학식 2(1) 내지 2(3) 중
n1 및 n2는 서로 독립적으로, 1 또는 2이고,
d4는 0 내지 4의 정수 중에서 선택되고,
Z1 및 Z2에 대한 설명은 각각 제1항 중 R11 및 R12에 대한 설명과 동일하고,
M, R1, X2, R3 내지 R7에 대한 설명은 각각 제1항에 기재된 바와 동일하되,
R1 및 R4는 서로 독립적으로, -F, 시아노기, 또는 -B(Q1)(Q2)이거나; 또는 -F, -CF3, -CF2H, -CFH2, 시아노기, 및 -B(Q31)(Q32) 중에서 선택된 적어도 하나로 치환된 C1-C20알킬기이고,
Q1, Q2, Q31 및 Q32에 대한 설명은 각각 제1항에 기재된 바와 동일하다. - 제1항에 있어서,
하기 화합물 1-1 내지 1-8, 2-1 및 2-2 중에서 선택된, 유기금속 화합물:
- 제1항에 있어서,
금속과 리간드 간의 결합 분해 에너지(bond dissociation energy) 중 최소값(eV)이 최저 여기 삼중항 에너지 준위(eV)보다 큰, 유기금속 화합물. - 제1항에 있어서,
2.7 eV 이상 및 3.3eV 이하의 최저 여기 삼중항 에너지 준위를 갖는, 유기금속 화합물. - 제1항에 있어서,
77 Kelvin에서 392 nm 이상 및 460 nm 이하의 최대 발광 파장을 갖는 청색광을 방출하는, 유기금속 화합물. - 제1전극;
상기 제1전극에 대향된 제2전극; 및
상기 제1전극과 상기 제2전극 사이에 개재되고 발광층을 포함한 유기층;
을 포함하고,
상기 유기층은 상기 제1항 내지 제10항 중 어느 한 항의 유기금속 화합물을 1종 이상 포함한, 유기 발광 소자. - 제11항에 있어서,
상기 제1전극이 애노드이고,
상기 제2전극이 캐소드이고,
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. - 제11항에 있어서,
상기 발광층에 상기 유기금속 화합물이 포함되어 있고, 상기 발광층은 호스트를 더 포함하고, 상기 발광층 중 호스트의 중량은 상기 발광층 중 상기 유기금속 화합물의 중량보다 큰, 유기 발광 소자. - 제13항에 있어서,
상기 유기금속 화합물의 LUMO 에너지 준위의 절대값이 상기 호스트의 LUMO 에너지 준위의 절대값보다 작은, 유기 발광 소자. - 제12항에 있어서,
상기 정공 수송 영역이 LUMO 에너지 준위가 -3.5eV 보다 낮은 p-도펀트를 포함한, 유기 발광 소자.
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