CN112409339A - Heterocyclic compound and organic light-emitting element comprising same - Google Patents
Heterocyclic compound and organic light-emitting element comprising same Download PDFInfo
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- CN112409339A CN112409339A CN202011103216.2A CN202011103216A CN112409339A CN 112409339 A CN112409339 A CN 112409339A CN 202011103216 A CN202011103216 A CN 202011103216A CN 112409339 A CN112409339 A CN 112409339A
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- 150000002391 heterocyclic compounds Chemical class 0.000 title claims abstract description 48
- 239000012044 organic layer Substances 0.000 claims abstract description 41
- 239000000126 substance Substances 0.000 claims description 282
- 239000010410 layer Substances 0.000 claims description 105
- 150000001875 compounds Chemical class 0.000 claims description 95
- 125000003118 aryl group Chemical group 0.000 claims description 90
- 125000001072 heteroaryl group Chemical group 0.000 claims description 48
- 229910052739 hydrogen Inorganic materials 0.000 claims description 38
- 239000001257 hydrogen Substances 0.000 claims description 38
- 238000002347 injection Methods 0.000 claims description 37
- 239000007924 injection Substances 0.000 claims description 37
- 125000000217 alkyl group Chemical group 0.000 claims description 36
- 125000003277 amino group Chemical group 0.000 claims description 32
- 150000002431 hydrogen Chemical group 0.000 claims description 32
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 30
- 125000004414 alkyl thio group Chemical group 0.000 claims description 29
- 125000002560 nitrile group Chemical group 0.000 claims description 29
- 125000005110 aryl thio group Chemical group 0.000 claims description 28
- 125000003545 alkoxy group Chemical group 0.000 claims description 27
- 125000003368 amide group Chemical group 0.000 claims description 27
- 125000004104 aryloxy group Chemical group 0.000 claims description 27
- 125000004185 ester group Chemical group 0.000 claims description 27
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims description 27
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 26
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 26
- 125000003342 alkenyl group Chemical group 0.000 claims description 26
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 26
- 229910052805 deuterium Inorganic materials 0.000 claims description 26
- 125000005462 imide group Chemical group 0.000 claims description 26
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical group [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 claims description 26
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 25
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 25
- 125000000732 arylene group Chemical group 0.000 claims description 5
- 125000005549 heteroarylene group Chemical group 0.000 claims description 4
- 125000004644 alkyl sulfinyl group Chemical group 0.000 claims description 3
- 125000005135 aryl sulfinyl group Chemical group 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 23
- 230000006872 improvement Effects 0.000 abstract description 2
- -1 1-methylpentyl group Chemical group 0.000 description 63
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 54
- 230000000052 comparative effect Effects 0.000 description 51
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 36
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 29
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 27
- 125000001424 substituent group Chemical group 0.000 description 25
- 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 compound 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 24
- 230000032258 transport Effects 0.000 description 23
- 239000012299 nitrogen atmosphere Substances 0.000 description 19
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 19
- 125000004432 carbon atom Chemical group C* 0.000 description 18
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 13
- 239000000758 substrate Substances 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 12
- 125000002950 monocyclic group Chemical group 0.000 description 12
- 125000003367 polycyclic group Chemical group 0.000 description 12
- 238000003786 synthesis reaction Methods 0.000 description 12
- 230000005525 hole transport Effects 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 9
- 229910000027 potassium carbonate Inorganic materials 0.000 description 9
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 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 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 239000012153 distilled water Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 125000005264 aryl amine group Chemical group 0.000 description 7
- 125000000623 heterocyclic group Chemical group 0.000 description 7
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000001953 recrystallisation Methods 0.000 description 6
- JWJQEUDGBZMPAX-UHFFFAOYSA-N (9-phenylcarbazol-3-yl)boronic acid Chemical compound C12=CC=CC=C2C2=CC(B(O)O)=CC=C2N1C1=CC=CC=C1 JWJQEUDGBZMPAX-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 5
- 125000001931 aliphatic group Chemical group 0.000 description 5
- 150000004982 aromatic amines Chemical class 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- 125000006267 biphenyl group Chemical group 0.000 description 5
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 5
- 229910052733 gallium Inorganic materials 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- 125000001624 naphthyl group Chemical group 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- GHYOCDFICYLMRF-UTIIJYGPSA-N (2S,3R)-N-[(2S)-3-(cyclopenten-1-yl)-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]-3-hydroxy-3-(4-methoxyphenyl)-2-[[(2S)-2-[(2-morpholin-4-ylacetyl)amino]propanoyl]amino]propanamide Chemical compound C1(=CCCC1)C[C@@H](C(=O)[C@@]1(OC1)C)NC([C@H]([C@@H](C1=CC=C(C=C1)OC)O)NC([C@H](C)NC(CN1CCOCC1)=O)=O)=O GHYOCDFICYLMRF-UTIIJYGPSA-N 0.000 description 4
- DDGPPAMADXTGTN-UHFFFAOYSA-N 2-chloro-4,6-diphenyl-1,3,5-triazine Chemical compound N=1C(Cl)=NC(C=2C=CC=CC=2)=NC=1C1=CC=CC=C1 DDGPPAMADXTGTN-UHFFFAOYSA-N 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 229940125797 compound 12 Drugs 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 239000003599 detergent Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 125000005241 heteroarylamino group Chemical group 0.000 description 4
- 125000005842 heteroatom Chemical group 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 125000005562 phenanthrylene group Chemical group 0.000 description 4
- QFLWZFQWSBQYPS-AWRAUJHKSA-N (3S)-3-[[(2S)-2-[[(2S)-2-[5-[(3aS,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-[1-bis(4-chlorophenoxy)phosphorylbutylamino]-4-oxobutanoic acid Chemical compound CCCC(NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H](NC(=O)CCCCC1SC[C@@H]2NC(=O)N[C@H]12)C(C)C)P(=O)(Oc1ccc(Cl)cc1)Oc1ccc(Cl)cc1 QFLWZFQWSBQYPS-AWRAUJHKSA-N 0.000 description 3
- 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 3
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 235000010290 biphenyl Nutrition 0.000 description 3
- 239000010406 cathode material Substances 0.000 description 3
- 229940125904 compound 1 Drugs 0.000 description 3
- 229940125773 compound 10 Drugs 0.000 description 3
- 229940125782 compound 2 Drugs 0.000 description 3
- 229940125898 compound 5 Drugs 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 238000004770 highest occupied molecular orbital Methods 0.000 description 3
- 150000002430 hydrocarbons Chemical group 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- ZLVXBBHTMQJRSX-VMGNSXQWSA-N jdtic Chemical compound C1([C@]2(C)CCN(C[C@@H]2C)C[C@H](C(C)C)NC(=O)[C@@H]2NCC3=CC(O)=CC=C3C2)=CC=CC(O)=C1 ZLVXBBHTMQJRSX-VMGNSXQWSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 125000005504 styryl group Chemical group 0.000 description 3
- XSAOVBUSKVZIBE-UHFFFAOYSA-N (9-phenylcarbazol-2-yl)boronic acid Chemical compound C=1C(B(O)O)=CC=C(C2=CC=CC=C22)C=1N2C1=CC=CC=C1 XSAOVBUSKVZIBE-UHFFFAOYSA-N 0.000 description 2
- UWRZIZXBOLBCON-VOTSOKGWSA-N (e)-2-phenylethenamine Chemical class N\C=C\C1=CC=CC=C1 UWRZIZXBOLBCON-VOTSOKGWSA-N 0.000 description 2
- 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 2
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 2
- HNZUKQQNZRMNGS-UHFFFAOYSA-N 2-(3-bromophenyl)-4,6-diphenyl-1,3,5-triazine Chemical compound BrC1=CC=CC(C=2N=C(N=C(N=2)C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 HNZUKQQNZRMNGS-UHFFFAOYSA-N 0.000 description 2
- 125000005916 2-methylpentyl group Chemical group 0.000 description 2
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
- QENGPZGAWFQWCZ-UHFFFAOYSA-N 3-Methylthiophene Chemical compound CC=1C=CSC=1 QENGPZGAWFQWCZ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- DIVZFUBWFAOMCW-UHFFFAOYSA-N 4-n-(3-methylphenyl)-1-n,1-n-bis[4-(n-(3-methylphenyl)anilino)phenyl]-4-n-phenylbenzene-1,4-diamine Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 DIVZFUBWFAOMCW-UHFFFAOYSA-N 0.000 description 2
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 101000837344 Homo sapiens T-cell leukemia translocation-altered gene protein Proteins 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 102100028692 T-cell leukemia translocation-altered gene protein Human genes 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 125000003282 alkyl amino group Chemical group 0.000 description 2
- 239000010405 anode material Substances 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
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 125000001164 benzothiazolyl group Chemical group S1C(=NC2=C1C=CC=C2)* 0.000 description 2
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- 229910052791 calcium Inorganic materials 0.000 description 2
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
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- 238000005240 physical vapour deposition Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 2
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- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
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- 125000000335 thiazolyl group Chemical group 0.000 description 2
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- 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 2
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- 229910052725 zinc Inorganic materials 0.000 description 2
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- AFBZMKWCZFFWIC-HVEFNXCZSA-N (3s)-3-[[(2s)-2-[[(2s)-2-[[(2r)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-amino-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-sulfanylpropanoyl]amino]-3-(1h-imidazol-5-yl)propanoyl]amino]-4-methylpentanoyl]amino]-4-[ Chemical compound C([C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(O)=O)NC(=O)[C@H](CS)NC(=O)[C@H](CC=1C=CC(O)=CC=1)NC(=O)[C@H](CC=1C=CC(O)=CC=1)NC(=O)[C@@H](N)C(C)C)C1=CNC=N1 AFBZMKWCZFFWIC-HVEFNXCZSA-N 0.000 description 1
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- ASUOLLHGALPRFK-UHFFFAOYSA-N phenylphosphonoylbenzene Chemical group C=1C=CC=CC=1P(=O)C1=CC=CC=C1 ASUOLLHGALPRFK-UHFFFAOYSA-N 0.000 description 1
- 125000003356 phenylsulfanyl group Chemical group [*]SC1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 150000003220 pyrenes Chemical class 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 238000007650 screen-printing Methods 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
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation 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
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- IBBLKSWSCDAPIF-UHFFFAOYSA-N thiopyran Chemical compound S1C=CC=C=C1 IBBLKSWSCDAPIF-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 125000005259 triarylamine group Chemical group 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 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
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
The present invention relates to a heterocyclic compound and an organic light-emitting element including the same. The heterocyclic compound of the present invention is useful as a material for an organic layer of an organic light-emitting element, and by using the heterocyclic compound, improvement in efficiency, low driving voltage, and/or life characteristics of the organic light-emitting element can be achieved.
Description
The present application is a divisional application of chinese patent application having an application date of 2017, 26.5 and 201710383655.5, entitled "heterocyclic compound and organic light emitting element including the same".
Technical Field
This application claims priority to korean patent application No. 10-2016-0066652, filed on 30.5.2016, to the korean patent office, the contents of which are all incorporated herein by reference.
The present specification relates to a heterocyclic compound and an organic light-emitting element including the same.
Background
In general, the organic light emission phenomenon is a phenomenon in which electric energy is converted into light energy by using an organic substance. An organic light emitting element utilizing an organic light emitting phenomenon generally has a structure including an anode and a cathode with an organic layer interposed therebetween. Here, in order to improve the efficiency and stability of the organic light emitting element, the organic layer may be formed of a multilayer structure composed of different materials, and may be formed of, for example, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer, or the like. In the structure of such an organic light emitting element, when a voltage is applied between both electrodes, holes are injected from the anode into the organic layer, electrons are injected from the cathode into the organic layer, and excitons (exiton) are formed when the injected holes and electrons meet each other, and light is emitted when the excitons transition to the ground state again.
There is a continuing need to develop new materials for organic light emitting elements as described above.
Documents of the prior art
Patent document
U.S. patent application publication No. 2004-0251816
Disclosure of Invention
The present specification provides a heterocyclic compound and an organic light-emitting element including the same.
According to one embodiment of the present specification, there is provided a heterocyclic compound represented by the following chemical formula 1.
[ chemical formula 1]
In the chemical formula 1 described above,
l1 and L2, which are identical to or different from one another, are each independently a direct bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group,
x1 is N or CR3, X2 is N or CR4, X3 is N or CR5,
at least one of X1 to X3 is N,
r1 to R5 are the same as or different from each other, and each independently is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
ar1 is a group represented by any one of the following chemical formulae a to h,
[ chemical formula a ]
In the chemical formula a above, in the formula a,
y1 is a direct bond, or-C (R6R7) -,
q1 to Q8 are the same as or different from each other, and are each independently hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or groups adjacent to each other may be bonded to each other to form a substituted or unsubstituted ring,
[ chemical formula b ]
In the chemical formula b above, the first and second,
u1 is a substituted or unsubstituted aryl group,
q9 and Q10 are hydrogen, or may combine with each other to form a substituted or unsubstituted ring,
q9 is an integer of 1 to 3,
q10 is an integer of 1 to 4,
when q9 and q10 are each plural, the structures in parentheses are the same as or different from each other,
[ chemical formula c ]
In the chemical formula c above, the metal oxide,
u2 is a substituted or unsubstituted aryl group,
q11 to Q13 are the same as or different from each other, and are each independently hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or groups adjacent to each other may be bonded to each other to form a substituted or unsubstituted ring,
q11 is 1 or 2 and q11 is,
q13 is an integer of 1 to 4,
when q11 and q13 are each plural, the structures in parentheses are the same as or different from each other,
[ chemical formula d ]
[ chemical formula e ]
In the above-mentioned chemical formulas d and e,
y2 is-O-or-S,
y3 is a direct bond, or-C (R9R10) -,
r8 to R10, Q14 and Q15 are the same as or different from each other, and each independently is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfinyl group, a substituted or unsubstituted arylsulfinyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q14 is an integer of 1 to 3,
q15 is an integer of 1 to 4,
when q14 and q15 are each plural, the structures in parentheses are the same as or different from each other,
[ chemical formula f ]
[ chemical formula g ]
[ chemical formula h ]
In the above-mentioned chemical formulae f to h,
u3 to U5 are identical to or different from one another and are each independently substituted or unsubstituted aryl,
q16 to Q21 are the same as or different from each other, and are each independently hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q16, q18 and q20 are each integers of 1 to 4,
q17, q19 and q21 are each integers of 1 to 5,
when q16 to q21 are each plural, the structures in parentheses are the same as or different from each other,
In addition, according to one embodiment of the present specification, there is provided an organic light-emitting element including a first electrode, a second electrode provided so as to face the first electrode, and 1 or more organic layers provided between the first electrode and the second electrode, wherein 1 or more of the organic layers include a heterocyclic compound represented by the chemical formula 1.
The heterocyclic compound according to one embodiment of the present specification can be used as a material of an organic layer of an organic light-emitting element, and by using the heterocyclic compound, improvement in efficiency, low driving voltage, and/or lifetime characteristics of the organic light-emitting element can be achieved.
Drawings
Fig. 1 illustrates an organic light emitting element 10 according to one embodiment of the present specification.
Fig. 2 illustrates an organic light emitting element 11 according to another embodiment of the present specification.
Description of the symbols
10. 11: organic light emitting element
20: substrate
30: a first electrode
40: luminescent layer
50: second electrode
60: hole injection layer
70: hole transport layer
80: electron transport layer
90: electron injection layer
Detailed Description
The present specification will be described in more detail below.
The present specification provides heterocyclic compounds represented by the above chemical formula 1.
In the present specification, when a part is referred to as "including" a certain component, unless specifically stated to the contrary, it means that the other component may be further included without excluding the other component.
In the present specification, when it is stated that a certain member is "on" another member, it includes not only a case where the certain member is in contact with the another member but also a case where another member exists between the two members.
In the present specification, examples of the substituent are described below, but not limited thereto.
The term "substituted" means that a hydrogen atom bonded to a carbon atom of a compound is replaced with another substituent, and the substituted position is not limited as long as the hydrogen atom can be substituted, that is, the substituted position of the substituent, and when 2 or more substituents are substituted, 2 or more substituents may be the same as or different from each other.
The term "substituted or unsubstituted" as used herein means substituted with 1 or 2 or more substituents selected from deuterium, a halogen group, a nitrile group, a nitro group, an imide group, an amide group, a carbonyl group, an ester group, a hydroxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group, or a substituent formed by connecting 2 or more substituents among the above-exemplified substituents, or do not have any substituents. For example, "a substituent in which 2 or more substituents are linked" may be a biphenyl group. That is, the biphenyl group may be an aryl group, or may be interpreted as a substituent in which 2 phenyl groups are linked.
In the context of the present specification,refers to a site that binds to another substituent or a binding moiety.
In the present specification, the halogen group may be fluorine, chlorine, bromine or iodine.
In the present specification, the number of carbon atoms in the imide group is not particularly limited, but is preferably 1 to 30. Specifically, the compound may have the following structure, but is not limited thereto.
In the amide group in the present specification, the nitrogen of the amide group may be substituted with hydrogen, a linear, branched or cyclic alkyl group having 1 to 30 carbon atoms, or an aryl group having 6 to 30 carbon atoms. Specifically, the compound may be represented by the following structural formula, but is not limited thereto.
In the present specification, the number of carbon atoms of the carbonyl group is not particularly limited, but is preferably 1 to 30. Specifically, the compound may have the following structure, but is not limited thereto.
In the ester group, the oxygen of the ester group may be substituted with a linear, branched or cyclic alkyl group having 1 to 25 carbon atoms or an aryl group having 6 to 30 carbon atoms. Specifically, the compound may be represented by the following structural formula, but is not limited thereto.
In the present specification, the alkyl group may be linear or branched, and the number of carbon atoms is not particularly limited, but is preferably 1 to 30. Specific examples thereof include methyl group, ethyl group, propyl group, n-propyl group, isopropyl group, butyl group, n-butyl group, isobutyl group, tert-butyl group, sec-butyl group, 1-methyl-butyl group, 1-ethyl-butyl group, pentyl group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl group, hexyl group, n-hexyl group, 1-methylpentyl group, 2-methylpentyl group, 4-methyl-2-pentyl group, 3-dimethylbutyl group, 2-ethylbutyl group, heptyl group, n-heptyl group, 1-methylhexyl group, cyclopentylmethyl group, cyclohexylmethyl group, octyl group, n-octyl group, tert-octyl group, 1-methylheptyl group, 2-ethylhexyl group, 2-propylpentyl group, n-nonyl group, 2-dimethylheptyl group, 1-ethyl-propyl group, 1-dimethyl-propyl group, 1, Isohexyl, 2-methylpentyl, 4-methylhexyl, 5-methylhexyl, and the like, but are not limited thereto.
In the present specification, the cycloalkyl group is not particularly limited, but is preferably a cycloalkyl group having 3 to 30 carbon atoms, specifically, a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a 3-methylcyclopentyl group, a 2, 3-dimethylcyclopentyl group, a cyclohexyl group, a 3-methylcyclohexyl group, a 4-methylcyclohexyl group, a 2, 3-dimethylcyclohexyl group, a 3,4, 5-trimethylcyclohexyl group, a 4-tert-butylcyclohexyl group, a cycloheptyl group, a cyclooctyl group, and the like, but not limited thereto.
In the present specification, the alkoxy group may be linear, branched or cyclic. The number of carbon atoms of the alkoxy group is not particularly limited, but the number of carbon atoms is preferably 1 to 30. Specifically, there may be mentioned methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, tert-butoxy, sec-butoxy, n-pentoxy, neopentoxy, isopentoxy, n-hexoxy, 3-dimethylbutoxy, 2-ethylbutoxy, n-octoxy, n-nonoxy, n-decoxy, benzyloxy, p-methylbenzyloxy and the like, but not limited thereto.
In the present specification, aminesThe radicals may be selected from the group consisting of-NH2The number of carbon atoms of the alkylamino group, the N-alkylarylamino group, the arylamine group, the N-arylheteroarylamino group, the N-alkylheteroarylamino group and the heteroarylamino group is not particularly limited, but is preferably 1 to 30. Specific examples of the amine group include, but are not limited to, a methylamino group, a dimethylamino group, an ethylamino group, a diethylamino group, a phenylamino group, a naphthylamino group, a biphenylamino group, an anthrylamino group, a 9-methyl-anthrylamino group, a diphenylamino group, an N-phenylnaphthylamino group, a ditolylamino group, an N-phenyltolylamino group, a triphenylamino group, an N-phenylbiphenylamino group, an N-phenylnaphthylamino group, an N-biphenylnaphthylamino group, an N-naphthylfluorenylamino group, an N-phenylphenanthrylamino group, an N-biphenylphenanthrylamino group, an N-phenylfluorenylamino group, an N-phenylterphenylamino group, an N-phenanthrenylfluorenylamino group, and an N-biphenylfluorenylamino group.
In the present specification, an N-alkylarylamino group means an amino group in which an alkyl group and an aryl group are substituted on N of the amino group.
In the present specification, an N-arylheteroarylamino group means an amino group in which an aryl group and a heteroaryl group are substituted on N of the amino group.
In the present specification, an N-alkylheteroarylamino group means an amino group in which an alkyl group and a heteroaryl group are substituted on N of the amino group.
In the present specification, alkylamino group, N-arylalkylamino group, alkylthio group: (Alkyl thio xy), Alkyl sulfoxide group(s) ((II)Alkyl groups in Alkyl sulfoxy) and N-alkylheteroarylamino groups are the same as those exemplified above for Alkyl groups. Specifically, examples of the alkylthio group include a methylthio group, an ethylthio group, a tert-butylthio group, a hexylthio group, and an octylthio group, and examples of the alkylsulfide group include a methylsulfonyl group, an ethylsulfoxide group, a propylsulfoxide group, and a butylsulfoxide group, but the alkylthio group is not limited thereto.
In the present specification, the alkenyl group may be linear or branched, and the number of carbon atoms is not particularly limited, but is preferably 2 to 30. Specific examples thereof include, but are not limited to, vinyl, 1-propenyl, isopropenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-pentenyl, 2-pentenyl, 3-methyl-1-butenyl, 1, 3-butadienyl, allyl, 1-phenylethen-1-yl, 2-diphenylethen-1-yl, 2-phenyl-2- (naphthalen-1-yl) ethen-1-yl, 2-bis (diphenyl-1-yl) ethen-1-yl, stilbene and styryl.
In the present specification, specific examples of the silyl group include, but are not limited to, a trimethylsilyl group, a triethylsilyl group, a t-butyldimethylsilyl group, a vinyldimethylsilyl group, a propyldimethylsilyl group, a triphenylsilyl group, a diphenylsilyl group, and a phenylsilyl group.
In this specification, the boron group may be-BR100R101R is as defined above100And R101The same or different from each other, and each independently may be selected from the group consisting of hydrogen, deuterium, halogen, a nitrile group, a substituted or unsubstituted monocyclic or polycyclic cycloalkyl group of carbon number 3 to 30, a substituted or unsubstituted linear or branched alkyl group of carbon number 1 to 30, a substituted or unsubstituted monocyclic or polycyclic aryl group of carbon number 6 to 30, and a substituted or unsubstituted monocyclic or polycyclic heteroaryl group of carbon number 2 to 30.
In the present specification, specific examples of the phosphine oxide group include, but are not limited to, diphenylphosphine oxide group, dinaphthylphosphine oxide group, and the like.
In the present specification, the aryl group is not particularly limited, but the number of carbon atoms is preferably 6 to 30, and the aryl group may be monocyclic or polycyclic.
When the aryl group is a monocyclic aryl group, the number of carbon atoms is not particularly limited, but is preferably 6 to 30. Specifically, the monocyclic aryl group may be a phenyl group, a biphenyl group, a terphenyl group, or the like, but is not limited thereto.
When the aryl group is a polycyclic aryl group, the number of carbon atoms is not particularly limited, but is preferably 10 to 30. Specifically, the polycyclic aryl group may be a naphthyl group, an anthryl group,Phenanthryl, triphenyl, pyrenyl, phenalenyl, perylenyl, perylene, and the like,And a fluorenyl group, etc., but are not limited thereto.
In the present specification, the fluorenyl group may be substituted, and adjacent groups may be bonded to each other to form a ring.
In the case where the above-mentioned fluorenyl group is substituted, it may be Etc., but are not limited thereto.
In the present specification, the term "adjacent" group may mean a substituent substituted on an atom directly bonded to an atom substituted with the relevant substituent, a substituent closest to the relevant substituent in terms of a steric structure, or another substituent substituted on an atom substituted with the relevant substituent. For example, 2 substituents on the phenyl ring substituted at the ortho (ortho) position and 2 substituents on the same carbon on the aliphatic ring may be interpreted as "adjacent" groups to each other.
In the present specification, aryloxy, arylthio(s) ((R))Aryl thio), Aryl sulfoxide group(s) ((s)Aryl groups in Aryl sulfoxy), N-arylalkylamino, N-arylheteroarylamino and arylphosphino groups are the same as those exemplified above for Aryl groups. Specifically, the aryloxy group includes phenoxy, p-tolyloxy, m-tolyloxy, 3, 5-dimethyl-phenoxy, 2,4, 6-trimethylphenoxy, p-tert-butylphenoxy, 3-biphenyloxy, 4-biphenyloxy, 1-naphthyloxy, 2-naphthyloxy, 4-methyl-1-naphthyloxy, 5-methyl-2-naphthyloxy, 1-anthracenyloxy, 2-anthracenyloxy, 9-anthracenyloxy, 1-phenanthrenyloxy, 3-phenanthrenyloxy, 9-phenanthrenyloxyExamples of the arylthio group include, but are not limited to, phenylthio group, 2-methylphenylthio group, 4-tert-butylphenylthio group and the like, and examples of the arylsulfoxido group include, but are not limited to, phenylsulfoxido group and p-tolylsulfoxido group.
In the present specification, examples of the arylamine group include a substituted or unsubstituted monoarylamine group, a substituted or unsubstituted diarylamine group, or a substituted or unsubstituted triarylamine group. The aryl group in the arylamine group may be a monocyclic aryl group or a polycyclic aryl group. Arylamine groups containing 2 or more of the above-described aryl groups may contain monocyclic aryl groups, polycyclic aryl groups, or both monocyclic aryl groups and polycyclic aryl groups. For example, the aryl group in the arylamine group can be selected from the examples of the aryl group.
In the present specification, the heteroaryl group contains 1 or more heteroatoms other than carbon atoms, specifically, the heteroatoms may contain 1 or more atoms selected from O, N, Se, S and the like. The number of carbon atoms is not particularly limited, but is preferably 2 to 30, and the above-mentioned heteroaryl group may be monocyclic or polycyclic, and examples of the heterocyclic group include thienyl, furyl, pyrrolyl, imidazolyl, thiazolyl, and the like,Azolyl group,Oxadiazolyl, pyridyl, bipyridyl, pyrimidinyl, triazinyl, triazolyl, acridinyl, pyridazinyl, pyrazinyl, quinolyl, quinazolinyl, quinoxalinyl, phthalazinyl, pyridopyrimidinyl, pyridopyrazinyl, pyrazinopyrazinyl, isoquinolyl, indolyl, carbazolyl, benzobenzoxazinylAzolyl, benzimidazolyl, benzothiazolyl, benzocarbazolyl, benzothienyl, dibenzothienyl, benzofuranyl, phenanthroline, thiazolyl, and isoquinoylAzolyl group,Oxadiazolyl, thiadiazolyl, benzothiazolyl, phenothiazinyl, dibenzofuranyl, and the like, but is not limited thereto.
In the present specification, as examples of the heteroarylamino group, there are a substituted or unsubstituted monoheteroarylamino group, a substituted or unsubstituted diheteroarylamino group, or a substituted or unsubstituted triheteroarylamino group. Heteroarylamine groups comprising more than 2 of the above-described heteroaryls may comprise a monocyclic heteroaryl, a polycyclic heteroaryl, or both a monocyclic heteroaryl and a polycyclic heteroaryl. For example, the heteroaryl group in the heteroarylamino group can be selected from the examples of the heteroaryl group.
In this specification, examples of the heteroaryl group in the N-arylheteroarylamino group and the N-alkylheteroarylamino group are the same as those of the heteroaryl group described above.
In the present specification, the arylene group means a group having two binding sites on the aryl group, that is, a 2-valent group. The aryl groups described above can be used as long as they are each a 2-valent group.
In the present specification, heteroarylene means a group having two binding sites on a heteroaryl group, i.e., a 2-valent group. The above description of heteroaryl groups can be used, except that they are each 2-valent groups.
In the present specification, in a substituted or unsubstituted ring formed by bonding adjacent groups to each other, "ring" means a substituted or unsubstituted hydrocarbon ring or a substituted or unsubstituted heterocyclic ring.
In the present specification, the hydrocarbon ring may be an aromatic ring, an aliphatic ring, or a condensed ring of aromatic and aliphatic, and may be selected from the examples of the cycloalkyl group and the aryl group, in addition to the group having a valence other than 1.
In the present specification, the aromatic ring may be a monocyclic ring or a polycyclic ring, and may be selected from the above-mentioned examples of aryl groups, except for groups having a valence other than 1.
In the present specification, the heterocyclic ring contains 1 or more heteroatoms other than carbon atoms, specifically, the heteroatoms may contain 1 or more atoms selected from O, N, Se, S and the like. The heterocyclic ring may be monocyclic or polycyclic, may be an aromatic ring, an aliphatic ring, or a fused ring of aromatic and aliphatic, and may be selected from the examples of the heteroaryl group and heterocyclic group except for a group having a valence other than 1.
According to one embodiment of the present specification, the above chemical formula 1 is represented by any one of the following chemical formulas 1-1 to 1-12.
[ chemical formula 1-1]
[ chemical formulas 1-2]
[ chemical formulas 1-3]
[ chemical formulas 1 to 4]
[ chemical formulas 1 to 5]
[ chemical formulas 1 to 6]
[ chemical formulas 1 to 7]
[ chemical formulas 1 to 8]
[ chemical formulas 1 to 9]
[ chemical formulas 1-10]
[ chemical formulas 1 to 11]
[ chemical formulas 1 to 12]
In the above chemical formulas 1-1 to 1-12,
l1, L2, Ar1, X1 to X3, R1 and R2 are as defined above in chemical formula 1.
According to an embodiment of the present disclosure, in chemical formula 1, any one of X1 to X3 is N, and the rest are CH.
According to an embodiment of the present disclosure, in the chemical formula 1, two of X1 to X3 are N, and the rest are CH.
According to an embodiment of the present disclosure, in the chemical formula 1, X1 to X3 are N.
According to one embodiment of the present specification, in the above chemical formula 1, L1 and L2 are the same as or different from each other, and each independently is a direct bond, or an arylene group.
According to one embodiment of the present specification, in the above chemical formula 1, L1 and L2 are the same as or different from each other, and each independently is a direct bond, or a phenylene group.
According to one embodiment of the present specification, in the above chemical formula 1, R1 and R2 are the same as or different from each other, and each is independently a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group.
According to one embodiment of the present specification, in the above chemical formula 1, R1 and R2 are the same as or different from each other, and each independently is an aryl group substituted with an aryl group or unsubstituted, or a heteroaryl group.
According to one embodiment of the present specification, in the above chemical formula 1, R1 and R2 are the same as or different from each other, and each independently is phenyl, biphenyl, naphthyl, or dibenzofuranyl substituted with or unsubstituted with aryl.
According to one embodiment of the present specification, in the above chemical formula 1, R1 and R2 are the same as or different from each other, and each independently is phenyl substituted or unsubstituted with phenyl, biphenyl, naphthyl, or dibenzofuranyl.
According to an embodiment of the present disclosure, in the above chemical formula a, Q5 and Q6, Q6 and Q7, or Q7 and Q8 combine with each other to form a substituted or unsubstituted ring.
According to an embodiment of the present disclosure, in the above chemical formula a, Q5 and Q6, Q6 and Q7, or Q7 and Q8 combine with each other to form a substituted or unsubstituted hydrocarbon ring.
According to an embodiment of the present disclosure, in the above chemical formula a, Q5 and Q6, Q6 and Q7, or Q7 and Q8 combine with each other to form a substituted or unsubstituted benzene ring.
According to an embodiment of the present disclosure, in the chemical formula a, Q5 and Q6, Q6 and Q7, or Q7 and Q8 combine with each other to form a benzene ring.
According to one embodiment of the present specification, the above chemical formula a is represented by any one of the following chemical formulas a-1 to a-5.
[ chemical formula a-1]
[ chemical formula a-2]
[ chemical formula a-3]
[ chemical formula a-4]
[ chemical formula a-5]
In the above chemical formulae a-1 to a-5,
q1 to Q8, R6 and R7 are as defined above for formula a,
q101 is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfide group, a substituted or unsubstituted arylsulfide group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q101 is an integer of 1 to 4,
when Q101 is plural, plural Q101 s are the same as or different from each other,
According to one embodiment of the present disclosure, in the chemical formula a, Q1 to Q8 are hydrogen.
According to an embodiment of the present specification, in the above chemical formula a-2, R6 and R7 are the same as or different from each other, and each is independently an alkyl group.
According to an embodiment of the present disclosure, in the chemical formula a-2, R6 and R7 are methyl groups.
According to one embodiment of the present disclosure, in the above chemical formulas a-3 to a-5, Q101 is hydrogen.
According to one embodiment of the present specification, the chemical formula b is represented by any one of the following chemical formulas b-1 to b-6.
[ chemical formula b-1]
[ chemical formula b-2]
[ chemical formula b-3]
[ chemical formula b-4]
[ chemical formula b-5]
[ chemical formula b-6]
In the above chemical formulae b-1 to b-6,
u1 is as defined above for formula b.
Q102 is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfide group, a substituted or unsubstituted arylsulfide group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q102 is an integer of 1 to 4,
when Q102 is plural, plural Q102 are the same as or different from each other,
According to an embodiment of the present disclosure, in the chemical formula b, U1 is an aryl group substituted or unsubstituted with an alkyl group or an aryl group.
According to an embodiment of the present disclosure, in the chemical formula b, U1 is a phenyl group substituted or unsubstituted with a phenyl group, a naphthyl group, a biphenyl group, or a fluorenyl group substituted with a methyl group.
According to one embodiment of the present disclosure, in the above chemical formulas b-2 to b-6, Q102 is hydrogen.
According to one embodiment of the present specification, the chemical formula c is represented by any one of the following chemical formulas c-1 to c-6.
[ chemical formula c-1]
[ chemical formula c-2]
[ chemical formula c-3]
[ chemical formula c-4]
[ chemical formula c-5]
[ chemical formula c-6]
In the above chemical formulae c-1 to c-6,
u2, Q11 to Q13, Q11 and Q13 are as defined above for formula c.
Q103 is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfide group, a substituted or unsubstituted arylsulfide group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q103 is an integer of 1 to 4,
when Q103 is plural, the plural Q103 may be the same as or different from each other,
According to one embodiment of the present disclosure, in the above chemical formulas c-1 to c-6, Q103 is hydrogen.
According to an embodiment of the present disclosure, in the chemical formula c, U2 is an aryl group substituted or unsubstituted with an alkyl group or an aryl group.
According to an embodiment of the present disclosure, in the chemical formula c, U2 is a phenyl group substituted or unsubstituted with a phenyl group, a naphthyl group, a biphenyl group, or a fluorenyl group substituted with a methyl group.
According to an embodiment of the present specification, in the above chemical formula c, Q11 to Q13 are the same as or different from each other, and each independently is hydrogen, a nitrile group, an aryl group, or a heteroaryl group substituted or unsubstituted with an aryl group.
According to one embodiment of the present specification, in the above chemical formula c, Q11 to Q13 are the same as or different from each other, and each independently is a hydrogen, a nitrile group, a phenyl group, a carbazolyl group substituted with an aryl group or unsubstituted, or a dibenzofuranyl group.
According to one embodiment of the present specification, in the above chemical formula c, Q11 to Q13 are the same as or different from each other, and each independently is a hydrogen, a nitrile group, a phenyl group, a carbazolyl group substituted with or unsubstituted from a phenyl group, or a dibenzofuranyl group.
According to one embodiment of the present specification, the above chemical formula e is represented by any one of the following chemical formulas e-1 to e-4.
[ chemical formula e-1]
[ chemical formula e-2]
[ chemical formula e-3]
[ chemical formula e-4]
In the above chemical formulae e-1 to e-4,
r9, R10, Q14, Q15, Q14 and Q15 are as defined above for formula e.
According to an embodiment of the present disclosure, in the chemical formula d, R8 is an aryl group.
According to an embodiment of the present disclosure, in the chemical formula d, R8 is a phenyl group.
According to one embodiment of the present specification, in the above chemical formulas d and e-1, R9 and R10 are the same as or different from each other, and each is independently an alkyl group.
According to one embodiment of the present disclosure, in the above chemical formulas d and e-1, R9 and R10 are methyl groups.
According to one embodiment of the present disclosure, in the above chemical formulas d and e, Q14 and Q15 are hydrogen.
According to one embodiment of the present specification, in the above formulae f to h, U3 to U5 are the same as or different from each other, and are each independently an aryl group.
According to an embodiment of the present disclosure, in the above chemical formulas f to h, U3 to U5 are phenyl groups.
According to one embodiment of the present disclosure, in the above chemical formulae f to h, Q16 to Q21 are hydrogen.
According to one embodiment of the present specification, the above chemical formula 1-1 is selected from the following compounds.
According to one embodiment of the present specification, the above chemical formula 1-2 is selected from the following compounds.
According to one embodiment of the present specification, the above chemical formulas 1 to 3 are selected from the following compounds.
According to one embodiment of the present specification, the above chemical formulas 1 to 4 are selected from the following compounds.
According to one embodiment of the present specification, the above chemical formulas 1 to 5 are selected from the following compounds.
According to one embodiment of the present specification, the above chemical formulas 1 to 6 are selected from the following compounds.
According to one embodiment of the present specification, the above chemical formulas 1 to 7 are selected from the following compounds.
According to one embodiment of the present specification, the above chemical formulas 1 to 8 are selected from the following compounds.
According to one embodiment of the present specification, the above chemical formulas 1 to 9 are selected from the following compounds.
According to one embodiment of the present specification, the above chemical formula 1-10 is selected from the following compounds.
According to one embodiment of the present specification, the above chemical formulas 1 to 11 are selected from the following compounds.
According to one embodiment of the present specification, the above chemical formulas 1 to 12 are selected from the following compounds.
According to one embodiment of the present specification, the core structure of the heterocyclic compound represented by the above chemical formula 1 can be produced by the following general formula 1, but is not limited thereto.
[ general formula 1]
In the above general formula 1, L1, L2, Ar1, X1 to X3, R1, and R2 are the same as defined in the above chemical formula 1, and G1 to G3 are the same or different from each other and each independently is a halogen group.
According to one embodiment of the present specification, there is provided an organic light-emitting element including a first electrode, a second electrode provided so as to face the first electrode, and 1 or more organic layers provided between the first electrode and the second electrode, wherein 1 or more of the organic layers include the heterocyclic compound.
According to one embodiment of the present description, the organic layer of the organic light-emitting device in the present description may be formed of a single layer structure, or may be formed of a multilayer structure in which 2 or more organic layers are stacked. For example, the organic light-emitting element of the present invention may have a structure including a hole injection layer, a hole transport layer, an electron blocking layer, a light-emitting layer, a hole blocking layer, an electron transport layer, an electron injection layer, and the like as an organic layer. However, the structure of the organic light emitting element is not limited thereto, and a smaller or larger number of organic layers may be included.
For example, the structure of the organic light-emitting element in the present specification may have the structures shown in fig. 1 and 2, but is not limited thereto.
Fig. 1 illustrates an example of the structure of an organic light-emitting element 10 in which a first electrode 30, a light-emitting layer 40, and a second electrode 50 are sequentially stacked on a substrate 20. Fig. 1 is an exemplary structure of an organic light-emitting element according to one embodiment of the present specification, and may further include another organic layer.
Fig. 2 illustrates a structure of an organic light-emitting element in which a first electrode 30, a hole injection layer 60, a hole transport layer 70, a light-emitting layer 40, an electron transport layer 80, an electron injection layer 90, and a second electrode 50 are sequentially stacked on a substrate 20. Fig. 2 is an exemplary structure according to an embodiment of the present disclosure, and may further include another organic layer.
According to one embodiment of the present disclosure, the organic layer includes a light emitting layer, and the light emitting layer includes a heterocyclic compound represented by the chemical formula 1.
According to one embodiment of the present disclosure, the organic layer includes a light emitting layer, and the light emitting layer includes the heterocyclic compound represented by the chemical formula 1 as a host of the light emitting layer.
According to one embodiment of the present disclosure, the organic layer includes an electron injection layer, an electron transport layer, or a layer that simultaneously injects and transports electrons, and the electron injection layer, the electron transport layer, or the layer that simultaneously injects and transports electrons includes the heterocyclic compound represented by chemical formula 1.
According to one embodiment of the present specification, the organic layer may further include 1 or more layers selected from a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer.
The organic light-emitting device of the present specification can be manufactured using materials and methods known in the art, except that 1 or more of the organic layers include the heterocyclic compound of the present specification, that is, the heterocyclic compound represented by the above chemical formula 1.
In the case where the organic light-emitting element includes a plurality of organic layers, the organic layers may be formed of the same substance or different substances.
For example, the organic light-emitting element of the present specification can be manufactured by sequentially stacking a first electrode, an organic layer, and a second electrode on a substrate. At this time, the following can be made: a first electrode is formed by depositing metal, a metal oxide having conductivity, or an alloy thereof on a substrate by a Physical Vapor Deposition (PVD) method such as a sputtering method or an electron beam evaporation (e-beam evaporation) method, an organic layer including a hole injection layer, a hole transport layer, a light emitting layer, and an electron transport layer is formed on the first electrode, and then a substance which can be used as a second electrode is deposited on the organic layer. In addition to the above method, the second electrode material, the organic layer, and the first electrode material may be sequentially deposited on the substrate to manufacture the organic light-emitting element. In addition, the heterocyclic compound represented by the above chemical formula 1 may be formed into an organic layer not only by a vacuum deposition method but also by a solution coating method in the production of an organic light-emitting element. The solution coating method is not limited to spin coating, dip coating, blade coating, inkjet printing, screen printing, spraying, roll coating, and the like.
According to one embodiment of the present disclosure, the first electrode is an anode, and the second electrode is a cathode.
According to another embodiment of the present disclosure, the first electrode is a cathode, and the second electrode is an anode.
The anode material is preferably a material having a large work function in order to smoothly inject holes into the organic layer. Specific examples of the anode material usable in the present invention include metals such as vanadium, chromium, copper, zinc, and gold, or alloys thereof; metal oxides such as zinc oxide, Indium Tin Oxide (ITO), and Indium Zinc Oxide (IZO); ZnO-Al or SnO2A combination of a metal such as Sb and an oxide; poly (3-methylthiophene), poly [3,4- (ethylene-1, 2-dioxy)Thiophene(s)]Conductive polymers such as (PEDOT), polypyrrole, and polyaniline, but the present invention is not limited thereto.
The cathode material is preferably a material having a small work function in order to easily inject electrons into the organic layer. Specific examples of the cathode material include metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin, and lead, or alloys thereof; LiF/Al or LiO2Multilayer structure materials such as/Al, Mg/Ag, etc., but not limited thereto.
The hole injection layer is a layer for injecting holes from the electrode, and the following compounds are preferable as the hole injection substance: the organic light-emitting device has the ability to transport holes, has a hole injection effect from the anode, has an excellent hole injection effect for the light-emitting layer or the light-emitting material, prevents excitons generated in the light-emitting layer from migrating to the electron injection layer or the electron injection material, and has excellent thin film formation ability. Preferably, the HOMO (highest occupied molecular orbital) of the hole injecting substance is between the work function of the anode substance and the HOMO of the surrounding organic layer. Specific examples of the hole injecting substance include, but are not limited to, metalloporphyrin (porphyrin), oligothiophene, arylamine-based organic substances, hexanitrile-hexaazatriphenylene-based organic substances, quinacridone-based organic substances, perylene-based organic substances, anthraquinone, polyaniline, and polythiophene-based conductive polymers.
The hole transport layer is a layer that receives holes from the hole injection layer and transports the holes to the light-emitting layer, and the hole transport material is a material that can receive holes from the anode or the hole injection layer and transport the holes to the light-emitting layer. Specific examples thereof include, but are not limited to, arylamine-based organic materials, conductive polymers, and block copolymers in which a conjugated portion and a non-conjugated portion are present simultaneously.
The light-emitting substance of the light-emitting layer is a substance capable of receiving holes and electrons from the hole-transporting layer and the electron-transporting layer, respectively, and combining them to emit light in the visible light region, and is preferably a substance having a high quantum efficiency with respect to fluorescence or phosphorescenceAnd (4) quality. As an example, there is an 8-hydroxyquinoline aluminum complex (Alq)3) (ii) a A carbazole-based compound; dimeric styryl (dimerized styryl) compounds; BAlq; 10-hydroxybenzoquinoline metal compounds; benzo (b) isAzole, benzothiazole and benzimidazole-based compounds; poly (p-phenylene vinylene) (PPV) polymers; spiro (spiroo) compounds; polyfluorene, rubrene, and the like, but are not limited thereto.
The light emitting layer may include a host material and a dopant material. The host material includes aromatic fused ring derivatives, heterocyclic compounds, and the like. Specifically, the aromatic condensed ring derivatives include anthracene derivatives, pyrene derivatives, naphthalene derivatives, pentacene derivatives, phenanthrene compounds, fluoranthene compounds, and the like, and the heterocyclic ring-containing compounds include carbazole derivatives, dibenzofuran derivatives, and ladder-type furan compoundsPyrimidine derivatives, and the like, but are not limited thereto.
As the dopant material, there are aromatic amine derivatives, styryl amine compounds, boron complexes, fluoranthene compounds, metal complexes, and the like. Specifically, the aromatic amine derivative is an aromatic fused ring derivative having a substituted or unsubstituted arylamine group, and includes pyrene, anthracene, or the like having an arylamine group,Diindenoperene (Periflanthene) and the like, as the styrylamine compound, a compound in which at least 1 arylvinyl group is substituted on a substituted or unsubstituted arylamine, and which is substituted or unsubstituted with 1 or 2 or more substituents selected from the group consisting of an aryl group, a silyl group, an alkyl group, a cycloalkyl group and an arylamino group. Specific examples thereof include, but are not limited to, styrylamine, styryldiamine, styryltrimethylamine, and styryltretramine. Further, as the metal complex, there are an iridium complex, a platinum complex and the like, but not limited thereto.
The electron transporting layer is a layer that receives electrons from the electron injecting layer and transports the electrons to the light emitting layer, and the electron transporting material is a material that can receive electrons from the cathode well and transfer the electrons to the light emitting layer, and a material having a high electron mobility is preferable. Specific examples thereof include Al complexes of 8-hydroxyquinoline and Al complexes containing Alq3The complex of (a), an organic radical compound, a hydroxyflavone-metal complex, etc., but are not limited thereto. The electron transport layer may be used with any desired cathode material as used in the prior art. Examples of suitable cathode substances are, in particular, the customary substances having a low work function and accompanied by an aluminum or silver layer. In particular cesium, barium, calcium, ytterbium and samarium, in each case accompanied by an aluminum or silver layer.
The electron injection layer is a layer for injecting electrons from the electrode, and is preferably a compound of: has an ability to transport electrons, an electron injection effect from a cathode, an excellent electron injection effect with respect to a light-emitting layer or a light-emitting material, prevents excitons generated in the light-emitting layer from migrating to a hole-injecting layer, and is excellent in thin-film formability. Specifically, there are fluorenone, anthraquinone dimethane (Anthraquinodimethane), diphenoquinone, thiopyran dioxide, and,Azole,Oxadiazole, triazole, imidazole, perylene tetracarboxylic acid, fluorenylidene methane, anthrone, and the like, and derivatives thereof, metal complexes, nitrogen-containing 5-membered ring derivatives, and the like, but are not limited thereto.
Examples of the metal complex include, but are not limited to, lithium 8-quinolinolato, zinc bis (8-quinolinolato), copper bis (8-quinolinolato), manganese bis (8-quinolinolato), aluminum tris (2-methyl-8-quinolinolato), gallium tris (8-quinolinolato), beryllium bis (10-hydroxybenzo [ h ] quinoline), zinc bis (10-hydroxybenzo [ h ] quinoline), gallium bis (2-methyl-8-quinolinolato) chloride, gallium bis (2-methyl-8-quinolinolato) (o) gallium, aluminum bis (2-methyl-8-quinolinolato) (1-naphthol), and gallium bis (2-methyl-8-quinolinolato) (2-naphthol).
The organic light-emitting element in this specification may be of a top emission type, a bottom emission type, or a bidirectional emission type depending on a material used.
According to one embodiment of the present specification, the heterocyclic compound represented by the above chemical formula 1 may be included in an organic solar cell or an organic transistor in addition to an organic light emitting element.
Hereinafter, the present specification will be described in detail with reference to examples. However, the embodiments of the present description may be modified into various other forms, and the scope of the present description is not to be construed as being limited to the embodiments described in detail below. The embodiments of the present description are provided to more fully describe the present description to those of ordinary skill in the art.
[ reaction formula 1]
[ reaction formula 2]
[ reaction formula 3]
Based on the above reaction formulas 1 to 3, compounds A to C and A-1 to C-1 were produced, respectively.
< production example 1>
1) Synthesis of Compound 1-1
After completely dissolving compound a (36.91g, 144.19mmol) and 2-chloro-4, 6-diphenyl-1, 3, 5-triazine (35.0g, 131.09mmol) in 300ml of tetrahydrofuran in a 1-L round-bottom flask under a nitrogen atmosphere, a 2M potassium carbonate aqueous solution (150ml) was added, tetrakis (triphenylphosphine) palladium (4.54g, 3.93mmol) was placed, and then heated and stirred for 6 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, recrystallization was carried out using 220ml of ethyl acetate to obtain 49.66g (85%) of compound 1-1.
MS[M+H]+=444
2) Synthesis of Compound 1
After completely dissolving compound 1-1(5.24g, 11.83mmol) and (9-phenyl-9H-carbazol-3-yl) boronic acid (3.73g, 12.98mmol) in 180ml of tetrahydrofuran in a 500ml round bottom flask under a nitrogen atmosphere, a 2M potassium carbonate aqueous solution (90ml) was added, tetrakis (triphenylphosphine) palladium (0.12g, 0.24mmol) was placed, and then heated and stirred for 3 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, recrystallization was performed using 120ml of tetrahydrofuran to obtain 5.11g (67%) of compound 1.
MS[M+H]+=651
< production example 2>
After completely dissolving compound 1-1(5.0g, 11.29mmol) and (9-phenyl-9H-carbazol-2-yl) boronic acid (3.55g, 12.39mmol) in 220ml of tetrahydrofuran in a 500ml round bottom flask under a nitrogen atmosphere, a 2M potassium carbonate aqueous solution (110ml) was added, tetrakis (triphenylphosphine) palladium (0.12g, 0.23mmol) was placed, and then heated and stirred for 3 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, recrystallization was performed using 130ml of tetrahydrofuran to produce 5.67g (77%) of compound 2.
MS[M+H]+=651
< production example 3>
After completely dissolving compound 1-1(5.59g, 12.62mmol) and dibenzo [ b, d ] furan-2-ylboronic acid (2.94g, 13.88mmol) in 160ml of tetrahydrofuran in a 500ml round bottom flask under a nitrogen atmosphere, a 2M aqueous potassium carbonate solution (80ml) was added, tetrakis (triphenylphosphine) palladium (0.44g, 0.38mmol) was placed, and then heated and stirred for 3 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 180ml of ethyl acetate to obtain 5.97g (82%) of compound 3.
MS[M+H]+=576
< production example 4>
After completely dissolving compound 1-1(6.32g, 14.27mmol) and dibenzo [ b, d ] thiophen-2-ylboronic acid (3.58g, 15.69mmol) in 240ml of tetrahydrofuran in a 500ml round bottom flask under a nitrogen atmosphere, a 2M aqueous potassium carbonate solution (120ml) was added, tetrakis (triphenylphosphine) palladium (0.49g, 0.43mmol) was placed, and then heated and stirred for 3 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 160ml of tetrahydrofuran to obtain 4.49g (53%) of compound 4.
MS[M+H]+=592
< production example 5>
After completely dissolving compound 1-1(6.42g, 14.49mmol) and (9, 9-dimethyl-10-phenyl-9, 10-dihydroacridin 2-yl) boronic acid (5.24g, 15.94mmol) in tetrahydrofuran 220ml in a 500ml round-bottom flask under a nitrogen atmosphere, a 2M aqueous potassium carbonate solution (110ml) was added, tetrakis (triphenylphosphine) palladium (0.50g, 0.43mmol) was placed, and then heated and stirred for 8 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, recrystallization was carried out using 220ml of ethyl acetate to obtain 7.11g (71%) of compound 5.
MS[M+H]+=693
< production example 6>
1) Synthesis of Compound 6-1
After completely dissolving compound a (12.35g, 48.25mmol) and 4- ([1,1' -biphenyl ] -4-yl) -6-chloro-2-phenylpyrimidine (15.0g, 43.86mmol) in 220ml of tetrahydrofuran in a 500ml round-bottom flask under a nitrogen atmosphere, a 2M aqueous potassium carbonate solution (110ml) was added, tetrakis (triphenylphosphine) palladium (1.52g, 1.32mmol) was placed, and then stirred with heating for 3 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 320ml of ethyl acetate to obtain 18.85g (83%) of compound 6-1.
MS[M+H]+=519
2) Synthesis of Compound 6
After completely dissolving compound 6-1(9.0g, 17.34mmol) and (9-phenyl-9H-carbazol-3-yl) boronic acid (5.47g, 19.08mmol) in 240ml of tetrahydrofuran in a 500ml round bottom flask under a nitrogen atmosphere, a 2M potassium carbonate aqueous solution (120ml) was added, tetrakis (triphenylphosphine) palladium (0.60g, 0.52mmol) was placed, and then heated and stirred for 3 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 160ml of tetrahydrofuran to obtain 8.22g (65%) of compound 6.
MS[M+H]+=726
< production example 7>
1) Synthesis of Compound 7-1
After completely dissolving compound a-1(30.0g, 103.45mmol) and (9-phenyl-9H-carbazol-3-yl) boronic acid (32.66g, 113.79mmol) in tetrahydrofuran 400ml in a 1L round bottom flask under a nitrogen atmosphere, a 2M potassium carbonate aqueous solution (180ml) was added, tetrakis (triphenylphosphine) palladium (3.59g, 3.10mmol) was placed, and then stirred with heating for 10 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 320ml of ethyl acetate to obtain 35.47g (76%) of compound 7-1.
MS[M+H]+=454
2) Synthesis of Compound 7-2
Compound 7-1(35.47g, 78.30mmol), pinacol-diborane (25.85g, 101.79mmol), potassium acetate (16.44g, 195.75mmol) were completely dissolved in 1, 4-bis-diborane in a 1L round bottom flask under nitrogen atmosphereAfter 520ml of an alkane, heating was carried out. After stirring at reflux for 1h, Pd (dppf) Cl2(2.02g, 2.35mmol) was added, followed by 8 h of reaction. The temperature was lowered to normal temperature and concentrated under reduced pressure, followed by filtration to remove salts. Removal of 1, 4-bisAlkane was recrystallized from 850ml of ethanol to obtain 30.07g (70%) of Compound 7-2.
MS[M+H]+=546
3) Synthesis of Compound 7
After completely dissolving compound 7-2(19.77g, 36.27mmol) and 2-chloro-4, 6-diphenyl-1, 3, 5-triazine (7.45g, 27.90mmol) in 250ml of tetrahydrofuran in a 500ml round-bottom flask under a nitrogen atmosphere, 2M aqueous potassium carbonate solution (120ml) was added, tetrakis (triphenylphosphine) palladium (0.72g, 0.84mmol) was placed, and then heated and stirred for 5 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 320ml of ethyl acetate to obtain 15.26g (84%) of compound 7.
MS[M+H]+=651
< production example 8>
After completely dissolving compound 7-2(9.96g, 18.27mmol) and 2- (3-bromophenyl) -4, 6-diphenyl-1, 3, 5-triazine (5.44g, 14.06mmol) in 250ml of tetrahydrofuran in a 500ml round-bottom flask under a nitrogen atmosphere, a 2M aqueous potassium carbonate solution (120ml) was added, tetrakis (triphenylphosphine) palladium (0.36g, 0.42mmol) was placed, and then stirred with heating for 3 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 190ml of tetrahydrofuran to obtain 8.33g (82%) of compound 8.
MS[M+H]+=727
< production example 9>
After completely dissolving compound 1-1(6.64g, 14.99mmol) and (9-phenyl-9H-carbazol-2-yl) boronic acid (7.07g, 19.49mmol) in 280ml of tetrahydrofuran in a 1L round bottom flask under a nitrogen atmosphere, 2M potassium carbonate aqueous solution (140ml) was added, tetrakis (triphenylphosphine) palladium (0.52g, 0.45mmol) was charged, and then stirred with heating for 5 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 230ml of tetrahydrofuran to obtain 6.79g (62%) of compound 9.
MS[M+H]+=727
< production example 10>
1) Synthesis of Compound 10-1
After completely dissolving compound B (8.91g, 13.48mmol) and 2-chloro-4, 6-diphenyl-1, 3, 5-triazine (8.45g, 31.56mmol) in 240ml of tetrahydrofuran in a 500ml round-bottom flask under a nitrogen atmosphere, a 2M aqueous potassium carbonate solution (120ml) was added, tetrakis (triphenylphosphine) palladium (1.09g, 0.95mmol) was placed, and then heated and stirred for 4 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 220ml of ethyl acetate to obtain 7.65g (71%) of compound 10-1.
MS[M+H]+=444
2) Synthesis of Compound 10
After completely dissolving compound 10-1(5.52g, 12.46mmol) and (9-phenyl-9H-carbazol-3-yl) boronic acid (4.65g, 16.20mmol) in 260ml of tetrahydrofuran in a 500ml round bottom flask under a nitrogen atmosphere, a 2M potassium carbonate aqueous solution (130ml) was added, tetrakis (triphenylphosphine) palladium (0.43g, 0.37mmol) was placed, and then heated and stirred for 3 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, recrystallization was performed using 210ml of tetrahydrofuran to obtain 5.66g (70%) of compound 10.
MS[M+H]+=651
< production example 11>
1) Synthesis of Compound 11-1
After completely dissolving compound B (5.78g, 22.57mmol) and 2- (3-bromophenyl) -4, 6-diphenyl-1, 3, 5-triazine (6.72g, 17.36mmol) in 200ml of tetrahydrofuran in a 500ml round-bottom flask under a nitrogen atmosphere, a 2M aqueous potassium carbonate solution (100ml) was added, tetrakis (triphenylphosphine) palladium (0.60g, 0.52mmol) was placed, and the mixture was stirred with heating for 6 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, recrystallization was carried out using 220ml of ethyl acetate to obtain 7.12g (79%) of compound 11-1.
MS[M+H]+=519
2) Synthesis of Compound 11
After completely dissolving compound 11-1(7.12g, 13.72mmol) and (9-phenyl-9H-carbazol-4-yl) boronic acid (5.12g, 17.83mmol) in 220ml of tetrahydrofuran in a 500ml round bottom flask under a nitrogen atmosphere, a 2M potassium carbonate aqueous solution (110ml) was added, tetrakis (triphenylphosphine) palladium (0.48g, 0.41mmol) was placed, and then heated and stirred for 5 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 230ml of tetrahydrofuran to obtain 6.53g (65%) of compound 11.
MS[M+H]+=727
< production example 12>
1) Synthesis of Compound 12-1
After completely dissolving compound C (9.38g, 35.67mmol) and 2-chloro-4, 6-diphenyl-1, 3, 5-triazine (7.55g, 29.72mmol) in 220ml of tetrahydrofuran in a 500ml round-bottom flask under a nitrogen atmosphere, a 2M aqueous potassium carbonate solution (110ml) was added, tetrakis (triphenylphosphine) palladium (1.03g, 0.89mmol) was placed, and then heated and stirred for 3 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 250ml of ethyl acetate to obtain 8.12g (51%) of compound 12-1.
MS[M+H]+=444
2) Synthesis of Compound 12
After completely dissolving compound 12-1(8.12g, 18.29mmol) and (9-phenyl-9H-carbazol-3-yl) boronic acid (6.30g, 21.95mmol) in 240ml of tetrahydrofuran in a 500ml round bottom flask under a nitrogen atmosphere, a 2M potassium carbonate aqueous solution (120ml) was added, tetrakis (triphenylphosphine) palladium (0.63g, 0.55mmol) was placed, and then heated and stirred for 4 hours. After the temperature was lowered to normal temperature and concentrated under reduced pressure, it was recrystallized from 230ml of tetrahydrofuran to obtain 7.76g (65%) of compound 12.
MS[M+H]+=651
< comparative example 1-1>
With respect to the compounds 1 to 12 synthesized in production examples 1 to 12, high-purity sublimation purification was performed by a generally known method, and then a green organic light-emitting element was produced by the method described below.
Will be provided withThe glass substrate coated with ITO (indium tin oxide) in a thick film was put in distilled water in which a detergent was dissolved, and washed by ultrasonic waves. In this case, a product of fisher corporation (Fischer Co.) was used as the detergent, and distilled water was filtered 2 times using a Filter (Filter) manufactured by Millipore Co. After washing the ITO for 30 minutes, ultrasonic washing was repeated 2 times with distilled water for 10 minutes. After the washing with distilled water is completed, the mixture is subjected to ultrasonic washing with solvents of isopropyl alcohol, acetone and methanol in sequence, dried and then conveyed to a plasma cleaning machine. After the substrate was cleaned with oxygen plasma for 5 minutes, the substrate was transported to a vacuum evaporator.
On the ITO transparent electrode thus prepared, m-MTDATA (60nm)/TCTA (80nm)/CBP + 10% Ir (ppy) was used as a host, using CBP3The organic EL element was manufactured by constituting a light-emitting element in the order of (300nm)/BCP (10n m)/Alq3(30nm)/LiF (1nm)/Al (200 nm).
m-MTDATA、TCTA、Ir(ppy)3The structures of CBP and BCP are as follows.
< Experimental examples 1-1>
An organic light-emitting device was produced in the same manner as in comparative example 1-1, except that in comparative example 1-1, the compound 1 was used instead of CBP.
< Experimental examples 1 and 2>
An organic light-emitting device was produced in the same manner as in comparative example 1-1, except that in comparative example 1-1, the compound 2 was used in place of CBP.
< Experimental examples 1 to 3>
An organic light-emitting device was produced in the same manner as in comparative example 1-1, except that the compound 3 was used instead of CBP in comparative example 1-1.
< Experimental examples 1 to 4>
An organic light-emitting device was produced in the same manner as in comparative example 1-1, except that in comparative example 1-1, the compound 4 was used in place of CBP.
< Experimental examples 1 to 5>
An organic light-emitting device was produced in the same manner as in comparative example 1-1, except that in comparative example 1-1, the compound 5 was used in place of CBP.
< Experimental examples 1 to 6>
An organic light-emitting device was produced in the same manner as in comparative example 1-1, except that the compound 7 was used in place of CBP in comparative example 1-1.
< Experimental examples 1 to 7>
An organic light-emitting device was produced in the same manner as in comparative example 1-1, except that in comparative example 1-1, the compound 10 was used in place of CBP.
< Experimental examples 1 to 8>
An organic light-emitting device was produced in the same manner as in comparative example 1-1, except that in comparative example 1-1, the compound 12 was used in place of CBP.
< comparative examples 1 and 2>
An organic light-emitting element was produced in the same manner as in comparative example 1-1, except that the following compound GH1 was used instead of CBP in comparative example 1-1.
< comparative examples 1 to 3>
An organic light-emitting element was produced in the same manner as in comparative example 1-1, except that the following compound GH2 was used instead of CBP in comparative example 1-1.
[GH2]
< comparative examples 1 to 3>
An organic light-emitting element was produced in the same manner as in comparative example 1-1, except that the following compound GH3 was used instead of CBP in comparative example 1-1.
[GH3]
When a current was applied to the organic light-emitting elements fabricated in experimental examples 1-1 to 1-8 and comparative examples 1-1 to 1-4, the voltage, efficiency, emission peak, and lifetime were measured, and the results are shown in table 1. T95 refers to the time required for the luminance to decrease to (5000nit) 95% of the initial luminance.
[ Table 1]
As a result of the experiment, it was confirmed that the green organic light emitting devices of examples 1-1 to 1-8 using the heterocyclic compound represented by chemical formula 1 according to one embodiment of the present specification as the host material of the light emitting layer exhibited more excellent performance in terms of current efficiency and driving voltage than the organic light emitting devices manufactured using the compound of comparative example 1-1 of conventional CBP and the compound of comparative example 1-2 in which substituents are bonded to the 9-and 10-positions of phenanthrylene group as the host material. The measured T95 life was also 15% to 30% higher.
In addition, the organic light-emitting elements of examples 1-1 to 1-8 obtained such an excellent effect that the efficiency was 10% or more higher than that of comparative examples 1-3 and 1-4, in which a compound in which the 4-position of a carbazolyl group substituted with a phenyl group was bonded to a phenanthrylene group was used as a host substance of the organic light-emitting element.
< comparative example 2-1>
Will be provided withThe glass substrate coated with ITO (indium tin oxide) in a thick film was put in distilled water in which a detergent was dissolved, and washed by ultrasonic waves. In this case, a product of fisher corporation (Fischer Co.) was used as the detergent, and distilled water was filtered 2 times using a Filter (Filter) manufactured by Millipore Co. After washing the ITO for 30 minutes, ultrasonic washing was repeated 2 times with distilled water for 10 minutes. After the washing with distilled water is completed, the mixture is subjected to ultrasonic washing with solvents of isopropyl alcohol, acetone and methanol in sequence, dried and then conveyed to a plasma cleaning machine. After the substrate was cleaned with oxygen plasma for 5 minutes, the substrate was transported to a vacuum evaporator.
On the ITO transparent electrode thus prepared, toThe hole injection layer was formed by thermally vacuum-evaporating hexanitrile Hexaazatriphenylene (HAT) of the following chemical formula.
The following compound HT1, namely N4, N4, N4', N4' -tetrakis ([1,1' -biphenyl), which is a substance for transporting holes, was vacuum-evaporated on the hole injection layer]-4-yl) - [1,1' -biphenyl]-4,4' -diamineA hole transport layer is formed.
Then, on the above-mentioned hole transport layerThe following compound EB1 was vacuum-deposited to form an electron blocking layer.
Then, on the above-mentioned electron blocking layerThe light-emitting layer was formed by vacuum deposition of the following BH and BD at a weight ratio of 25: 1.
And a light-emitting layer formed on the substrate, wherein the ratio of 1: 1 weight ratio of the above compound ET1 and the above compound LiQ (Lithium quinolinolate) were vacuum-deposited to prepare a film, andthe thickness of (a) forms an electron injection and transport layer. On the above-mentioned electron injection and transport layer successivelyDepositing lithium fluoride (LiF) in a thickness ofAnd evaporating aluminum in thickness to form a cathode.
In the above process, the evaporation speed of the organic material is maintainedLithium fluoride maintenance of cathodeAluminum maintenanceThe deposition rate of (2) and the degree of vacuum during deposition were maintained at 2X 10-7~5×10-6torr to thereby fabricate an organic light emitting element.
< Experimental example 2-1>
An experiment was carried out in the same manner as in comparative example 2-1 except that compound 1 was used instead of compound ET 1.
< Experimental examples 2-2>
An experiment was carried out in the same manner as in comparative example 2-1 except that compound 2 was used instead of compound ET 1.
< Experimental examples 2 to 3>
An experiment was carried out in the same manner as in comparative example 2-1 except that compound 5 was used instead of compound ET 1.
< Experimental examples 2 to 4>
An experiment was carried out in the same manner as in comparative example 2-1 except that compound 6 was used instead of compound ET 1.
< Experimental examples 2 to 5>
An experiment was carried out in the same manner as in comparative example 2-1 except that compound 7 was used instead of compound ET 1.
< Experimental examples 2 to 6>
An experiment was carried out in the same manner as in comparative example 2-1 except that compound 8 was used instead of compound ET 1.
< Experimental examples 2 to 7>
An experiment was carried out in the same manner as in comparative example 2-1 except that compound 9 was used instead of compound ET 1.
< Experimental examples 2 to 8>
An experiment was carried out in the same manner as in comparative example 2-1 except that compound 10 was used instead of compound ET 1.
< Experimental examples 2 to 9>
An experiment was carried out in the same manner as in comparative example 2-1 except that compound 11 was used instead of compound ET 1.
< Experimental examples 2 to 10>
An experiment was carried out in the same manner as in comparative example 2-1 except that compound 12 was used instead of compound ET 1.
< comparative example 2-2>
An organic light-emitting element was produced in the same manner as in comparative example 2-1, except that the compound ET2 described below was used in place of the compound ET1 in comparative example 2-1.
< comparative example 2-2>
An organic light-emitting element was produced in the same manner as in comparative example 2-1, except that the compound ET3 described below was used in place of the compound ET1 in comparative example 2-1.
[ET3]
The results of table 2 were obtained when current was applied to the organic light emitting elements fabricated by experimental examples 2-1 to 2-10 and comparative examples 2-1 to 2-3.
[ Table 2]
As a result of the experiment, it was confirmed that the organic light emitting devices of experimental examples 2-1 to 2-10 using the heterocyclic compound represented by chemical formula 1 according to one embodiment of the present specification as the electron injecting and transporting layer exhibited more excellent performance in terms of current efficiency and driving voltage than the organic light emitting device of comparative example 2-1 and comparative example 2-2 having substituents at positions 9 and 10 of phenanthrylene group. Further, the T95 lifetime was greatly increased.
In addition, the organic light emitting devices of examples 2-1 to 2-10 obtained excellent results of more than 15% as compared with comparative example 2-3, which used a compound in which the 4-position of the carbazolyl group substituted with the phenyl group was bonded to the phenanthrylene group as an electron injecting and transporting layer substance of the organic light emitting device.
While the preferred embodiments of the present invention (green light emitting layer, electron injection and transport layer) have been described above, the present invention is not limited thereto, and various modifications can be made within the scope of the claims and the scope of the embodiments of the present invention, which also falls within the scope of the present invention.
The present invention also includes the following embodiments:
embodiment 1. a heterocyclic compound represented by the following chemical formula 1:
chemical formula 1
In the chemical formula 1, the metal oxide is represented by,
l1 and L2, which are identical to or different from one another, are each independently a direct bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group,
x1 is N or CR3, X2 is N or CR4, X3 is N or CR5,
at least one of X1 to X3 is N,
r1 to R5 are the same as or different from each other, and each independently is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
ar1 is a group represented by any one of the following chemical formulae a to h,
chemical formula a
In the chemical formula a, the compound represented by the formula (a),
y1 is a direct bond, or-C (R6R7) -,
q1 to Q8 are the same as or different from each other, and are each independently hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or groups adjacent to each other may be bonded to each other to form a substituted or unsubstituted ring,
chemical formula b
In the chemical formula b, the compound represented by the formula (A),
u1 is a substituted or unsubstituted aryl group,
q9 and Q10 are hydrogen, or may combine with each other to form a substituted or unsubstituted ring,
q9 is an integer of 1 to 3,
q10 is an integer of 1 to 4,
when q9 and q10 are each plural, the structures in parentheses are the same as or different from each other, and formula c
In the chemical formula c, the compound represented by the formula (c),
u2 is a substituted or unsubstituted aryl group,
q11 to Q13 are the same as or different from each other, and are each independently hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or groups adjacent to each other may be bonded to each other to form a substituted or unsubstituted ring,
q11 is 1 or 2 and q11 is,
q13 is an integer of 1 to 4,
when q11 and q13 are each plural, the structures in parentheses are the same as or different from each other, and formula d
Chemical formula e
In the chemical formulae d and e,
y2 is-O-or-S,
y3 is a direct bond, or-C (R9R10) -,
r8 to R10, Q14 and Q15 are the same as or different from each other, and each independently is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfinyl group, a substituted or unsubstituted arylsulfinyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q14 is an integer of 1 to 3,
q15 is an integer of 1 to 4,
when q14 and q15 are each plural, the structures in parentheses are the same as or different from each other, and formula f
Chemical formula g
Chemical formula h
In the chemical formulae f to h,
u3 to U5 are identical to or different from one another and are each independently substituted or unsubstituted aryl,
q16 to Q21 are the same as or different from each other, and are each independently hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q16, q18 and q20 are each integers of 1 to 4,
q17, q19 and q21 are each integers of 1 to 5,
when q16 to q21 are each plural, the structures in parentheses are the same as or different from each other,
Embodiment 2. the heterocyclic compound according to embodiment 1, wherein the chemical formula 1 is represented by any one of the following chemical formulae 1-1 to 1-12:
chemical formula 1-1
Chemical formula 1-2
Chemical formulas 1 to 3
Chemical formulas 1 to 4
Chemical formulas 1 to 5
Chemical formulas 1 to 6
Chemical formulas 1 to 7
Chemical formulas 1 to 8
Chemical formulas 1 to 9
Chemical formulas 1 to 10
Chemical formulas 1 to 11
Chemical formulas 1 to 12
In the chemical formulas 1-1 to 1-12,
l1, L2, Ar1, X1 to X3, R1 and R2 are the same as defined in said chemical formula 1.
Embodiment 3. the heterocyclic compound according to embodiment 1, wherein the chemical formula a is represented by any one of the following chemical formulae a-1 to a-5:
chemical formula a-1
Chemical formula a-2
Chemical formula a-3
Chemical formula a-4
Chemical formula a-5
In the chemical formulae a-1 to a-5,
q1 to Q8, R6 and R7 are as defined for the formula a,
q101 is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfide group, a substituted or unsubstituted arylsulfide group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q101 is an integer of 1 to 4,
when Q101 is plural, plural Q101 s are the same as or different from each other,
Embodiment 4. the heterocyclic compound according to embodiment 1, wherein the chemical formula b is represented by any one of the following chemical formulae b-1 to b-6:
chemical formula b-1
Chemical formula b-2
Chemical formula b-3
Chemical formula b-4
Chemical formula b-5
Chemical formula b-6
In the chemical formulae b-1 to b-6,
u1 is as defined for formula b,
q102 is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfide group, a substituted or unsubstituted arylsulfide group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q102 is an integer of 1 to 4,
when Q102 is plural, plural Q102 are the same as or different from each other,
Embodiment 5. the heterocyclic compound according to embodiment 1, wherein the chemical formula c is represented by any one of the following chemical formulae c-1 to c-6:
chemical formula c-1
Chemical formula c-2
Chemical formula c-3
Chemical formula c-4
Chemical formula c-5
Chemical formula c-6
In the chemical formulae c-1 to c-6,
u2, Q11 to Q13, Q11 and Q13 are as defined for the formula c,
q103 is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfide group, a substituted or unsubstituted arylsulfide group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q103 is an integer of 1 to 4,
when Q103 is plural, the plural Q103 may be the same as or different from each other,
Embodiment 6 the heterocyclic compound according to embodiment 1, wherein the chemical formula e is represented by any one of the following chemical formulae e-1 to e-4:
chemical formula e-1
Chemical formula e-2
Chemical formula e-3
Chemical formula e-4
In the chemical formulae e-1 to e-4,
r9, R10, Q14, Q15, Q14 and Q15 are as defined for said formula e.
Embodiment 7 the heterocyclic compound according to embodiment 1, wherein R1 and R2 are the same as or different from each other, and each independently is aryl substituted with aryl or unsubstituted, or heteroaryl.
Embodiment 8 the heterocyclic compound according to embodiment 1, wherein the chemical formula 1 is selected from the specific compounds selected from the chemical formulas 1-1 to 1-12 above.
Embodiment 9 provides an organic light-emitting element including a first electrode, a second electrode provided so as to face the first electrode, and 1 or more organic layers provided between the first electrode and the second electrode, wherein 1 or more of the organic layers include the heterocyclic compound according to any one of embodiments 1 to 8.
Embodiment 12 the organic light-emitting element according to embodiment 9, wherein the organic layer comprises an electron injection layer, an electron transport layer, or a layer that performs both electron injection and transport, and the electron injection layer, the electron transport layer, or the layer that performs both electron injection and transport comprises the heterocyclic compound.
Claims (11)
1. A heterocyclic compound represented by the following chemical formula 1-2:
chemical formula 1-2
In the chemical formula 1-2,
l1 and L2, which are identical to or different from one another, are each independently a direct bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group,
x1 is N or CR3, X2 is N or CR4, X3 is N or CR5,
at least one of X1 to X3 is N,
r1 to R5 are the same as or different from each other, and each independently is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
ar1 is a group represented by any one of the following chemical formulae a to h,
chemical formula a
In the chemical formula a, the compound represented by the formula (a),
y1 is a direct bond, or-C (R6R7) -,
q1 to Q8 are the same as or different from each other, and are each independently hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or groups adjacent to each other may be bonded to each other to form a substituted or unsubstituted ring,
chemical formula b
In the chemical formula b, the compound represented by the formula (A),
u1 is a substituted or unsubstituted aryl group,
q9 and Q10 are hydrogen, or may combine with each other to form a substituted or unsubstituted ring,
q9 is an integer of 1 to 3,
q10 is an integer of 1 to 4,
when q9 and q10 are each plural, the structures in parentheses are the same as or different from each other,
chemical formula c
In the chemical formula c, the compound represented by the formula (c),
u2 is a substituted or unsubstituted aryl group,
q11 to Q13 are the same as or different from each other, and are each independently hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group, or groups adjacent to each other may be bonded to each other to form a substituted or unsubstituted ring,
q11 is 1 or 2 and q11 is,
q13 is an integer of 1 to 4,
when q11 and q13 are each plural, the structures in parentheses are the same as or different from each other,
chemical formula d
Chemical formula e
In the chemical formulae d and e,
y2 is-O-or-S,
y3 is a direct bond, or-C (R9R10) -,
r8 to R10, Q14 and Q15 are the same as or different from each other, and each independently is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfinyl group, a substituted or unsubstituted arylsulfinyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q14 is an integer of 1 to 3,
q15 is an integer of 1 to 4,
when q14 and q15 are each plural, the structures in parentheses are the same as or different from each other,
chemical formula f
Chemical formula g
Chemical formula h
In the chemical formulae f to h,
u3 to U5 are identical to or different from one another and are each independently substituted or unsubstituted aryl,
q16 to Q21 are the same as or different from each other, and are each independently hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfidenyl group, a substituted or unsubstituted arylsulfidenyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q16, q18 and q20 are each integers of 1 to 4,
q17, q19 and q21 are each integers of 1 to 5,
when q16 to q21 are each plural, the structures in parentheses are the same as or different from each other,
2. The heterocyclic compound according to claim 1, wherein the chemical formula a is represented by any one of the following chemical formulae a-1 to a-5:
chemical formula a-1
Chemical formula a-2
Chemical formula a-3
Chemical formula a-4
Chemical formula a-5
In the chemical formulae a-1 to a-5,
q1 to Q8, R6 and R7 are as defined for the formula a,
q101 is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfide group, a substituted or unsubstituted arylsulfide group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q101 is an integer of 1 to 4,
when Q101 is plural, plural Q101 s are the same as or different from each other,
3. The heterocyclic compound according to claim 1, wherein the chemical formula b is represented by any one of the following chemical formulae b-1 to b-6:
chemical formula b-1
Chemical formula b-2
Chemical formula b-3
Chemical formula b-4
Chemical formula b-5
Chemical formula b-6
In the chemical formulae b-1 to b-6,
u1 is as defined for formula b,
q102 is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfide group, a substituted or unsubstituted arylsulfide group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q102 is an integer of 1 to 4,
when Q102 is plural, plural Q102 are the same as or different from each other,
4. The heterocyclic compound according to claim 1, wherein the chemical formula c is represented by any one of the following chemical formulae c-1 to c-6:
chemical formula c-1
Chemical formula c-2
Chemical formula c-3
Chemical formula c-4
Chemical formula c-5
Chemical formula c-6
In the chemical formulae c-1 to c-6,
u2, Q11 to Q13, Q11 and Q13 are as defined for the formula c,
q103 is hydrogen, deuterium, a nitrile group, a nitro group, a hydroxyl group, a carbonyl group, an ester group, an imide group, an amide group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthio group, a substituted or unsubstituted arylthio group, a substituted or unsubstituted alkylsulfide group, a substituted or unsubstituted arylsulfide group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted amine group, a substituted or unsubstituted arylphosphine group, a substituted or unsubstituted phosphine oxide group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group,
q103 is an integer of 1 to 4,
when Q103 is plural, the plural Q103 may be the same as or different from each other,
5. The heterocyclic compound according to claim 1, wherein the formula e is represented by any one of the following formulae e-1 to e-4:
chemical formula e-1
Chemical formula e-2
Chemical formula e-3
Chemical formula e-4
In the chemical formulae e-1 to e-4,
r9, R10, Q14, Q15, Q14 and Q15 are as defined for said formula e.
6. The heterocyclic compound according to claim 1, wherein the R1 and R2 are the same as or different from each other, and each independently is an aryl group substituted or unsubstituted with an aryl group, or a heteroaryl group.
8. an organic light-emitting element comprising a first electrode, a second electrode provided so as to face the first electrode, and 1 or more organic layers provided between the first electrode and the second electrode, wherein 1 or more of the organic layers contain the heterocyclic compound according to any one of claims 1 to 7.
9. The organic light-emitting element according to claim 8, wherein the organic layer comprises a light-emitting layer containing the heterocyclic compound.
10. The organic light-emitting element according to claim 8, wherein the organic layer comprises a light-emitting layer containing the heterocyclic compound as a host of the light-emitting layer.
11. The organic light-emitting element according to claim 8, wherein the organic layer comprises an electron injection layer, an electron transport layer, or a layer that performs both electron injection and transport, and the electron injection layer, the electron transport layer, or the layer that performs both electron injection and transport comprises the heterocyclic compound.
Priority Applications (1)
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CN202011103216.2A CN112409339B (en) | 2016-05-30 | 2017-05-26 | Heterocyclic compound and organic light-emitting element comprising same |
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WO2019164301A1 (en) * | 2018-02-21 | 2019-08-29 | 주식회사 엘지화학 | Compound and organic light emitting diode comprising same |
KR102251402B1 (en) * | 2018-08-17 | 2021-05-12 | 주식회사 엘지화학 | Novel compound and organic light emitting device comprising the same |
WO2020036314A1 (en) * | 2018-08-17 | 2020-02-20 | 주식회사 엘지화학 | Novel compound and organic light emitting diode using same |
KR102168068B1 (en) | 2018-08-17 | 2020-10-20 | 주식회사 엘지화학 | Novel compound and organic light emitting device comprising the same |
WO2020036313A1 (en) * | 2018-08-17 | 2020-02-20 | 주식회사 엘지화학 | Novel compound and organic light-emitting device using same |
WO2020209602A1 (en) * | 2019-04-10 | 2020-10-15 | 두산솔루스 주식회사 | Organic compound, and organic electroluminescent element using same |
KR102666351B1 (en) * | 2020-06-12 | 2024-05-20 | 주식회사 엘지화학 | Hetero-cyclic compound and organic light emitting device comprising the same |
CN115515951A (en) * | 2020-07-24 | 2022-12-23 | 株式会社Lg化学 | Compound and organic light emitting device including the same |
WO2022019536A1 (en) * | 2020-07-24 | 2022-01-27 | 주식회사 엘지화학 | Compound and organic light-emitting device comprising same |
CN112898199B (en) * | 2021-01-26 | 2022-11-11 | 上海传勤新材料有限公司 | Organic electron transport material containing nitrogen atom heterocycle and benzonitrile and application thereof |
CN114835686A (en) * | 2021-02-02 | 2022-08-02 | 江苏三月科技股份有限公司 | Compound containing phenanthrene and triazine structure and application thereof |
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