KR102624166B1 - 유기 전계 발광 소자 - Google Patents
유기 전계 발광 소자 Download PDFInfo
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- KR102624166B1 KR102624166B1 KR1020150164263A KR20150164263A KR102624166B1 KR 102624166 B1 KR102624166 B1 KR 102624166B1 KR 1020150164263 A KR1020150164263 A KR 1020150164263A KR 20150164263 A KR20150164263 A KR 20150164263A KR 102624166 B1 KR102624166 B1 KR 102624166B1
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- South Korea
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- 238000005401 electroluminescence Methods 0.000 title description 4
- 230000005525 hole transport Effects 0.000 claims abstract description 331
- 239000000463 material Substances 0.000 claims abstract description 160
- 150000001875 compounds Chemical class 0.000 claims description 143
- 125000004432 carbon atom Chemical group C* 0.000 claims description 134
- 125000003118 aryl group Chemical group 0.000 claims description 42
- 125000001072 heteroaryl group Chemical group 0.000 claims description 36
- 125000000217 alkyl group Chemical group 0.000 claims description 29
- 229910052805 deuterium Inorganic materials 0.000 claims description 20
- 125000004431 deuterium atom Chemical group 0.000 claims description 20
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 20
- 125000005843 halogen group Chemical group 0.000 claims description 16
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 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 claims description 15
- 125000006413 ring segment Chemical group 0.000 claims description 14
- 125000003545 alkoxy group Chemical group 0.000 claims description 12
- 125000001424 substituent group Chemical group 0.000 claims description 12
- 125000000732 arylene group Chemical group 0.000 claims description 10
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 10
- 125000005549 heteroarylene group Chemical group 0.000 claims description 10
- 125000004429 atom Chemical group 0.000 claims description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 4
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 4
- 125000005110 aryl thio group Chemical group 0.000 claims description 4
- 125000004104 aryloxy group Chemical group 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 4
- 125000002577 pseudohalo group Chemical group 0.000 claims description 4
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- FVQKGQNSCKJPIJ-UHFFFAOYSA-N 3-[4-(aminomethyl)-6-(trifluoromethyl)pyridin-2-yl]oxy-N-[2-(2-oxo-1,3-oxazolidin-3-yl)ethyl]benzamide Chemical compound NCC1=CC(=NC(=C1)C(F)(F)F)OC=1C=C(C(=O)NCCN2C(OCC2)=O)C=CC=1 FVQKGQNSCKJPIJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 3
- -1 9-anthryl group Chemical group 0.000 description 602
- 239000010410 layer Substances 0.000 description 412
- 230000000052 comparative effect Effects 0.000 description 38
- 238000002347 injection Methods 0.000 description 30
- 239000007924 injection Substances 0.000 description 30
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 22
- 239000000758 substrate Substances 0.000 description 22
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 19
- 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 18
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 18
- 125000006267 biphenyl group Chemical group 0.000 description 16
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical class C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 15
- 239000002019 doping agent Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 15
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 125000005493 quinolyl group Chemical group 0.000 description 10
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 10
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 description 9
- 239000011521 glass Substances 0.000 description 9
- 125000005561 phenanthryl group Chemical group 0.000 description 9
- 125000004076 pyridyl group Chemical group 0.000 description 9
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 8
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 8
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 8
- 125000004988 dibenzothienyl group Chemical group C1(=CC=CC=2SC3=C(C21)C=CC=C3)* 0.000 description 8
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 8
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 8
- 125000001041 indolyl group Chemical group 0.000 description 8
- 125000005956 isoquinolyl group Chemical group 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 8
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 8
- 125000001624 naphthyl group Chemical group 0.000 description 8
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 8
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 8
- 125000001725 pyrenyl group Chemical group 0.000 description 8
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical class O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 7
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- 125000001340 2-chloroethyl group Chemical group [H]C([H])(Cl)C([H])([H])* 0.000 description 6
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 6
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 6
- 125000002541 furyl group Chemical group 0.000 description 6
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 6
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 6
- 125000003226 pyrazolyl group Chemical group 0.000 description 6
- 125000006836 terphenylene group Chemical group 0.000 description 6
- 125000001544 thienyl group Chemical group 0.000 description 6
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 description 5
- 125000006083 1-bromoethyl group Chemical group 0.000 description 4
- 125000004066 1-hydroxyethyl group Chemical group [H]OC([H])([*])C([H])([H])[H] 0.000 description 4
- 125000005999 2-bromoethyl group Chemical group 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000007983 Tris buffer Substances 0.000 description 4
- 125000004062 acenaphthenyl group Chemical group C1(CC2=CC=CC3=CC=CC1=C23)* 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 125000004653 anthracenylene group Chemical group 0.000 description 4
- XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Chemical compound [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 description 4
- 150000001716 carbazoles Chemical class 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 125000005567 fluorenylene group Chemical group 0.000 description 4
- 125000005842 heteroatom Chemical group 0.000 description 4
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 4
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000004957 naphthylene group Chemical group 0.000 description 4
- 229920000767 polyaniline Polymers 0.000 description 4
- 229910052705 radium Inorganic materials 0.000 description 4
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 4
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 description 3
- BFTIPCRZWILUIY-UHFFFAOYSA-N 2,5,8,11-tetratert-butylperylene Chemical group CC(C)(C)C1=CC(C2=CC(C(C)(C)C)=CC=3C2=C2C=C(C=3)C(C)(C)C)=C3C2=CC(C(C)(C)C)=CC3=C1 BFTIPCRZWILUIY-UHFFFAOYSA-N 0.000 description 3
- AWXGSYPUMWKTBR-UHFFFAOYSA-N 4-carbazol-9-yl-n,n-bis(4-carbazol-9-ylphenyl)aniline Chemical compound C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(N(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 AWXGSYPUMWKTBR-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 101000837344 Homo sapiens T-cell leukemia translocation-altered gene protein Proteins 0.000 description 3
- 102100028692 T-cell leukemia translocation-altered gene protein Human genes 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 125000005566 carbazolylene group Chemical group 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000005281 excited state Effects 0.000 description 3
- 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 3
- 239000012044 organic layer Substances 0.000 description 3
- 125000005562 phenanthrylene group Chemical group 0.000 description 3
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 3
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 2
- 125000001478 1-chloroethyl group Chemical group [H]C([H])([H])C([H])(Cl)* 0.000 description 2
- JXKQGMUHBKZPCD-UHFFFAOYSA-N 1-n,1-n,4-n,4-n-tetraphenylpyrene-1,4-diamine Chemical compound C1=CC=CC=C1N(C=1C2=CC=C3C=CC=C4C=C(C(C2=C43)=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 JXKQGMUHBKZPCD-UHFFFAOYSA-N 0.000 description 2
- 125000004134 1-norbornyl group Chemical group [H]C1([H])C([H])([H])C2(*)C([H])([H])C([H])([H])C1([H])C2([H])[H] 0.000 description 2
- 125000001462 1-pyrrolyl group Chemical group [*]N1C([H])=C([H])C([H])=C1[H] 0.000 description 2
- RIKNNBBGYSDYAX-UHFFFAOYSA-N 2-[1-[2-(4-methyl-n-(4-methylphenyl)anilino)phenyl]cyclohexyl]-n,n-bis(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C(=CC=CC=1)C1(CCCCC1)C=1C(=CC=CC=1)N(C=1C=CC(C)=CC=1)C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 RIKNNBBGYSDYAX-UHFFFAOYSA-N 0.000 description 2
- GEQBRULPNIVQPP-UHFFFAOYSA-N 2-[3,5-bis(1-phenylbenzimidazol-2-yl)phenyl]-1-phenylbenzimidazole Chemical compound C1=CC=CC=C1N1C2=CC=CC=C2N=C1C1=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=C1 GEQBRULPNIVQPP-UHFFFAOYSA-N 0.000 description 2
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 2
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 2
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 description 2
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
- 125000001622 2-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(*)C([H])=C([H])C2=C1[H] 0.000 description 2
- 125000004135 2-norbornyl group Chemical group [H]C1([H])C([H])([H])C2([H])C([H])([H])C1([H])C([H])([H])C2([H])* 0.000 description 2
- 125000000389 2-pyrrolyl group Chemical group [H]N1C([*])=C([H])C([H])=C1[H] 0.000 description 2
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 description 2
- ZMCQQCBOZIGNRV-UHFFFAOYSA-N 3-[4-(aminomethyl)-6-(trifluoromethyl)pyridin-2-yl]oxy-N-[2-(1,2,4-triazol-1-yl)ethyl]benzamide Chemical compound NCC1=CC(OC2=CC=CC(=C2)C(=O)NCCN2C=NC=N2)=NC(=C1)C(F)(F)F ZMCQQCBOZIGNRV-UHFFFAOYSA-N 0.000 description 2
- 125000003682 3-furyl group Chemical group O1C([H])=C([*])C([H])=C1[H] 0.000 description 2
- OGGKVJMNFFSDEV-UHFFFAOYSA-N 3-methyl-n-[4-[4-(n-(3-methylphenyl)anilino)phenyl]phenyl]-n-phenylaniline Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 OGGKVJMNFFSDEV-UHFFFAOYSA-N 0.000 description 2
- 125000001397 3-pyrrolyl group Chemical group [H]N1C([H])=C([*])C([H])=C1[H] 0.000 description 2
- 125000001541 3-thienyl group Chemical group S1C([H])=C([*])C([H])=C1[H] 0.000 description 2
- ZOKIJILZFXPFTO-UHFFFAOYSA-N 4-methyl-n-[4-[1-[4-(4-methyl-n-(4-methylphenyl)anilino)phenyl]cyclohexyl]phenyl]-n-(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(=CC=1)C1(CCCCC1)C=1C=CC(=CC=1)N(C=1C=CC(C)=CC=1)C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 ZOKIJILZFXPFTO-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- VIZUPBYFLORCRA-UHFFFAOYSA-N 9,10-dinaphthalen-2-ylanthracene Chemical compound C12=CC=CC=C2C(C2=CC3=CC=CC=C3C=C2)=C(C=CC=C2)C2=C1C1=CC=C(C=CC=C2)C2=C1 VIZUPBYFLORCRA-UHFFFAOYSA-N 0.000 description 2
- VFUDMQLBKNMONU-UHFFFAOYSA-N 9-[4-(4-carbazol-9-ylphenyl)phenyl]carbazole Chemical group C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 VFUDMQLBKNMONU-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 2
- SLGBZMMZGDRARJ-UHFFFAOYSA-N Triphenylene Natural products C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C2=C1 SLGBZMMZGDRARJ-UHFFFAOYSA-N 0.000 description 2
- 125000003670 adamantan-2-yl group Chemical group [H]C1([H])C(C2([H])[H])([H])C([H])([H])C3([H])C([*])([H])C1([H])C([H])([H])C2([H])C3([H])[H] 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 125000004202 aminomethyl group Chemical group [H]N([H])C([H])([H])* 0.000 description 2
- 125000002078 anthracen-1-yl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C([*])=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 2
- 125000000748 anthracen-2-yl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C([H])=C([*])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 2
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- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/54—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/82—Carbazoles; Hydrogenated carbazoles
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/636—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
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Abstract
일 실시예는 양극과 발광층 사이에 배치되는 복수의 정공 수송층을 포함한다. 복수의 정공 수송층은 양극측 정공 수송층, 중간 정공 수송층, 및 발광층측 정공 수송층을 포함하고, 발광층측 정공 수송층은 하기 일반식 (1)로 표시되는 발광층측 정공 수송 재료를 포함한다.
[화학식]
Description
| 양극측 정공 수송층 | 중간 정공 수송층 | 발광층측 정공 수송층 | |
| 실시예 1-1 | 화합물 2-3, 4-15 | 화합물 2-3 | 화합물 1-1 |
| 실시예 1-2 | 화합물 6-2, 4-15 | 화합물 2-3 | 화합물 1-1 |
| 실시예 1-3 | 화합물 2-3, 4-15 | 화합물 6-3 | 화합물 1-1 |
| 실시예 1-4 | 화합물 6-2, 4-15 | 화합물 6-3 | 화합물 1-3 |
| 실시예 1-5 | 화합물 6-2, 4-15 | 화합물 6-3 | 화합물 1-14 |
| 비교예 1-1 | 화합물 2-3, 4-15 | 화합물 1-1 | 화합물 2-3 |
| 비교예 1-2 | 화합물 2-3 | 화합물 2-3 | 화합물 1-1 |
| 비교예 1-3 | 화합물 2-3, 4-15 | 화합물 2-3 | 화합물 6-1 |
| 비교예 1-4 | 화합물 6-2, 4-15 | 화합물 6-3 | 화합물 6-1 |
| 비교예 1-5 | 화합물 2-3 | 화합물 2-3, 4-15 | 화합물 1-1 |
| 전압(V) | 발광효율(cd/A) | 반감수명(h) | |
| 실시예 1-1 | 6.2 | 7.5 | 4, 100 |
| 실시예 1-2 | 6.4 | 7.5 | 3, 300 |
| 실시예 1-3 | 6.4 | 7.4 | 3, 100 |
| 실시예 1-4 | 6.2 | 7.5 | 4, 300 |
| 실시예 1-5 | 6.1 | 7.6 | 3, 700 |
| 비교예 1-1 | 6.3 | 7.0 | 2, 400 |
| 비교예 1-2 | 7.4 | 6.8 | 2, 200 |
| 비교예 1-3 | 6.4 | 7.3 | 2, 300 |
| 비교예 1-4 | 6.2 | 7.1 | 2, 200 |
| 비교예 1-5 | 7.9 | 5.6 | 3, 100 |
| 양극측 정공 수송층 | 중간 정공 수송층 | 발광층측 정공 수송층 | |
| 실시예 2-1 | 화합물 4-15 | 화합물 2-3 | 화합물 1-1 |
| 실시예 2-2 | 화합물 4-15 | 화합물 6-2 | 화합물 1-1 |
| 실시예 2-3 | 화합물 4-15 | 화합물 2-3 | 화합물 1-3 |
| 실시예 2-4 | 화합물 4-15 | 화합물 2-3 | 화합물 1-14 |
| 비교예 2-1 | 화합물 4-15 | 화합물 1-1 | 화합물 2-3 |
| 비교예 2-2 | 화합물 1-1 | 화합물 4-15 | 화합물 1-1 |
| 비교예 2-3 | 화합물 4-15 | 화합물 2-3 | 화합물 6-1 |
| 비교예 2-4 | 화합물 2-3 | 화합물 4-15 | 화합물 1-1 |
| 전압(V) | 발광 효율(cd/A) | 반감 수명(h) | |
| 실시예 2-1 | 6.5 | 7.7 | 3, 300 |
| 실시예 2-2 | 6.5 | 7.6 | 3, 200 |
| 실시예 2-3 | 6.5 | 7.8 | 3, 400 |
| 실시예 2-4 | 6.5 | 7.7 | 3, 200 |
| 비교예 2-1 | 6.4 | 6.3 | 1, 600 |
| 비교예 2-2 | 6.7 | 6.5 | 2, 100 |
| 비교예 2-3 | 6.5 | 7.3 | 2, 400 |
| 비교예 2-4 | 7.5 | 6.1 | 1, 900 |
120 : 제 1 전극 130 : 정공 수송층
131 : 양극측 정공 수송층 133 : 중간 정공 수송층
135 : 발광층측 정공 수송층 140 : 발광층
150 : 전자 수송층 160 : 전자 주입층
170 : 제 2 전극
Claims (16)
- 양극;
발광층;
상기 양극과 상기 발광층 사이에 배치되고, 양극측 정공 수송 재료 및 상기 양극측 정공 수송 재료에 도핑된 전자 수용성 재료를 포함하는 양극측 정공 수송층;
상기 양극측 정공 수송층과 상기 발광층 사이에 배치되고, 중간 정공 수송 재료를 포함하는 중간 정공 수송층; 및
상기 중간 정공 수송층과 상기 발광층 사이에 배치되고, 상기 발광층과 인접하여 배치되는 발광층측 정공 수송층; 을 포함하고,
상기 중간 정공 수송 재료는 하기 화합물 2-1 내지 화합물 2-17로 이루어진 군에서 선택되는 적어도 어느 하나이고,
상기 발광층측 정공 수송 재료는 하기 화합물 1-1 내지 화합물 1-28로 이루어진 군에서 선택되는 적어도 어느 하나인 유기 전계 발광 소자.
- 제 1항에 있어서,
상기 양극측 정공 수송 재료는 하기 일반식 (2)로 표시되는 화합물인 유기 전계 발광 소자.
[화학식 2]
상기 일반식 (2)에 있어서,
Ar1 내지 Ar3은 각각 독립적으로, 치환 또는 무치환의 고리 형성 탄소수 6 이상 50 이하의 아릴기, 또는 치환 또는 무치환의 고리 형성 탄소수 5 이상 50 이하의 헤테로아릴기이고,
Ar4는 수소 원자, 중수소 원자, 할로겐 원자, 치환 또는 무치환의 고리 형성 탄소수 6 이상 50 이하의 아릴기, 치환 또는 무치환의 고리 형성 탄소수 5 이상 50 이하의 헤테로아릴기, 또는 치환 또는 무치환의 탄소수 1 이상 50 이하의 알킬기이고,
L1은 단결합, 치환 또는 무치환의 고리 형성 탄소수 6 이상 18 이하의 아릴렌기, 또는 치환 또는 무치환의 고리 형성 탄소수 5 이상 15 이하의 헤테로아릴렌기이다. - 제 1항에 있어서,
상기 전자 수용성 재료는 -9.0 eV 이상 -4.0 eV 이하의 LUMO(Lowest Unoccupied Molecular Orbital) 준위를 갖는 유기 전계 발광 소자. - 제 1항에 있어서,
상기 양극측 정공 수송층은 상기 양극에 인접하여 배치되는 유기 전계 발광 소자. - 제 1항에 있어서,
상기 전자 수용성 재료는 하기 화합물 4-1 내지 화합물 4-14로 이루어진 군에서 선택되는 적어도 어느 하나인 유기 전계 발광 소자.
상기 화합물 4-1 내지 화합물 4-14에 있어서,
R은 수소 원자, 중수소 원자, 할로겐 원자, 탄소수 1 이상 50 이하의 불화알킬기, 시아노기, 탄소수 1 이상 50 이하의 알콕시기, 탄소수 1 이상 50 이하의 알킬기 또는 탄소수 6 이상 50 이하의 아릴기 또는 고리 형성 원자수 5 이상 50 이하의 헤테로아릴기이고,
Ar은 전자 흡인성 치환기가 치환 또는 비치환된 고리 형성 탄소수 6 이상 50 이하의 아릴기, 전자 흡인성 치환기가 치환 또는 비치환된 고리 형성 탄소수 6 이상 50 이하의 아릴렌기, 치환 또는 무치환의 고리 형성 원자수 5 이상 50 이하의 헤테로아릴기이고, 또는 치환 또는 무치환의 고리 형성 원자수 5 이상 50 이하의 헤테로아릴렌기이고,
Y는 메틴기(-CH=), 또는 질소 원자(-N=)이고,
Z는 유사 할로겐 원자, 또는 황(S)원자이고,
n은 0 이상 10 이하의 정수이고,
X는 이하의 화학식 X1 내지 X7로 표시되는 치환기 중의 어느 하나이고,
상기 화학식 X1 내지 X7에 있어서,
Ra는 수소 원자, 중수소 원자, 할로겐 원자, 탄소수 1 이상 50 이하의 불화알킬기, 시아노기, 탄소수 1 이상 50 이하의 알콕시기, 탄소수 1 이상 50 이하의 알킬기, 치환 또는 무치환의 고리 형성 탄소수 6 이상 50 이하의 아릴기, 또는 치환 또는 무치환의 고리 형성 원자수 5 이상 50 이하의 헤테로아릴기이다. - 삭제
- 제 1항에 있어서,
상기 양극측 정공 수송 재료는 하기 화합물 2-1 내지 화합물 2-17로 이루어진 군에서 선택되는 적어도 어느 하나인 유기 전계 발광 소자.
- 제 1항에 있어서,
상기 발광층은 하기 일반식 (3)으로 표시되는 화합물을 포함하는 유기 전계 발광 소자.
[화학식 3]
상기 일반식 (3)에 있어서,
Ar1은 각각 독립적으로, 수소 원자, 중수소 원자, 치환 또는 무치환의 탄소수 1 이상 50 이하의 알킬기, 치환 또는 무치환의 고리 형성 탄소수 3 이상 50 이하의 시클로알킬기, 치환 또는 무치환의 탄소수 1 이상 50 이하의 알콕시기, 치환 또는 무치환의 탄소수 7 이상 50 이하의 아랄킬(aralkyl)기, 치환 또는 무치환의 고리 형성 탄소수 6 이상 50 이하의 아릴옥시기, 치환 또는 무치환의 고리 형성 탄소수 6 이상 50 이하의 아릴티오기, 치환 또는 무치환의 탄소수 2 이상 50 이하의 알콕시카르보닐기, 치환 또는 무치환의 고리 형성 탄소수 6 이상 50 이하의 아릴기, 치환 또는 무치환의 고리 형성 원자수 5 이상 50 이하의 헤테로아릴기, 치환 또는 무치환의 실릴기, 카르복시기, 할로겐 원자, 시아노기, 니트로기, 또는 하이드록시기이고,
n은 1 이상 10 이하의 정수이다. - 양극;
발광층;
상기 양극과 상기 발광층 사이에 배치되고, 전자 수용성 재료를 포함하는 양극측 정공 수송층;
상기 양극측 정공 수송층과 상기 발광층 사이에 배치되고, 중간 정공 수송 재료를 포함하는 중간 정공 수송층; 및
상기 중간 정공 수송층과 상기 발광층 사이에 배치되고, 상기 발광층과 인접하여 배치되는 발광층측 정공 수송층; 을 구비하고,
상기 중간 정공 수송 재료는 하기 화합물 2-1 내지 화합물 2-17로 이루어진 군에서 선택되는 적어도 어느 하나이고,
상기 발광층측 정공 수송 재료는 하기 화합물 1-1 내지 화합물 1-28로 이루어진 군에서 선택되는 적어도 어느 하나인 유기 전계 발광 소자.
- 삭제
- 제 9항에 있어서,
상기 전자 수용성 재료는 -9.0eV 이상 -4.0eV 이하의 LUMO(Lowest Unoccupied Molecular Orbital) 준위를 갖는 유기 전계 발광 소자. - 제 9항에 있어서,
상기 양극측 정공 수송층은 상기 양극에 인접하여 배치되는 유기 전계 발광 소자. - 제 9항에 있어서,
상기 전자 수용성 재료는 하기 화합물 4-1 내지 화합물 4-14로 이루어진 군에서 선택되는 적어도 어느 하나인 유기 전계 발광 소자.
상기 화합물 4-1 내지 화합물 4-14에 있어서,
R은 수소 원자, 중수소 원자, 할로겐 원자, 탄소수 1 이상 50 이하의 불화알킬기, 시아노기, 탄소수 1 이상 50 이하의 알콕시기, 탄소수 1 이상 50 이하의 알킬기 또는 탄소수 6 이상 50 이하의 아릴기 또는 고리 형성 원자수 5 이상 50 이하의 헤테로아릴기이고,
Ar은 전자 흡인성 치환기가 치환 또는 비치환된 고리 형성 탄소수 6 이상 50 이하의 아릴기, 전자 흡인성 치환기가 치환 또는 비치환된 고리 형성 탄소수 6 이상 50 이하의 아릴렌기, 치환 또는 무치환의 고리 형성 원자수 5 이상 50 이하의 헤테로아릴기이고, 또는 치환 또는 무치환의 고리 형성 원자수 5 이상 50 이하의 헤테로아릴렌기이고,
Y는 메틴기(-CH=), 또는 질소 원자(-N=)이고,
Z는 유사 할로겐 원자, 또는 황(S)원자이고,
n은 0 이상 10 이하의 정수이고,
X는 이하의 화학식 X1 내지 X7로 표시되는 치환기 중의 어느 하나이고,
상기 화학식 X1 내지 X7에 있어서,
Ra는 수소 원자, 중수소 원자, 할로겐 원자, 탄소수 1 이상 50 이하의 불화알킬기, 시아노기, 탄소수 1 이상 50 이하의 알콕시기, 탄소수 1 이상 50 이하의 알킬기, 치환 또는 무치환의 고리 형성 탄소수 6 이상 50 이하의 아릴기, 또는 치환 또는 무치환의 고리 형성 원자수 5 이상 50 이하의 헤테로아릴기이다. - 삭제
- 제 9항에 있어서,
상기 양극측 정공 수송층은 양극측 정공 수송 재료를 더 포함하고,
상기 양극측 정공 수송 재료는 하기 화합물 2-1 내지 화합물 2-17로 이루어진 군에서 선택되는 적어도 어느 하나인 유기 전계 발광 소자.
- 제 9항에 있어서,
상기 발광층은 하기 일반식 (3)으로 표시되는 화합물을 포함하는 유기 전계 발광 소자.
[화학식 3]
상기 일반식 (3)에 있어서,
Ar1은 각각 독립적으로, 수소 원자, 중수소 원자, 치환 또는 무치환의 탄소수 1 이상 50 이하의 알킬기, 치환 또는 무치환의 고리 형성 탄소수 3 이상 50 이하의 시클로알킬기, 치환 또는 무치환의 탄소수 1 이상 50 이하의 알콕시기, 치환 또는 무치환의 탄소수 7 이상 50 이하의 아랄킬기, 치환 또는 무치환의 고리 형성 탄소수 6 이상 50 이하의 아릴옥시기, 치환 또는 무치환의 고리 형성 탄소수 6 이상 50 이하의 아릴티오기, 치환 또는 무치환의 탄소수 2 이상 50 이하의 알콕시카르보닐기, 치환 또는 무치환의 고리 형성 탄소수 6 이상 50 이하의 아릴기, 치환 또는 무치환의 고리 형성 탄소수 5 이상 50 이하의 헤테로아릴기, 치환 또는 무치환의 실릴기, 카르복실기, 할로겐 원자, 시아노기, 니트로기, 또는 하이드록시기이고,
n은 1 이상 10 이하의 정수이다.
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| US20230120404A1 (en) | 2020-01-15 | 2023-04-20 | Idemitsu Kosan Co.,Ltd. | Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device |
| KR102851397B1 (ko) * | 2020-06-11 | 2025-08-29 | 삼성디스플레이 주식회사 | 유기 전계 발광 소자 및 유기 전계 발광 소자용 아민 화합물 |
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