WO2017043886A1 - 헤테로환 화합물 및 이를 이용한 유기 발광 소자 - Google Patents
헤테로환 화합물 및 이를 이용한 유기 발광 소자 Download PDFInfo
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- WO2017043886A1 WO2017043886A1 PCT/KR2016/010090 KR2016010090W WO2017043886A1 WO 2017043886 A1 WO2017043886 A1 WO 2017043886A1 KR 2016010090 W KR2016010090 W KR 2016010090W WO 2017043886 A1 WO2017043886 A1 WO 2017043886A1
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- 150000002391 heterocyclic compounds Chemical class 0.000 title abstract description 9
- 150000001875 compounds Chemical class 0.000 claims description 172
- 239000010410 layer Substances 0.000 claims description 166
- 125000003118 aryl group Chemical group 0.000 claims description 70
- 239000011368 organic material Substances 0.000 claims description 44
- 238000002347 injection Methods 0.000 claims description 33
- 239000007924 injection Substances 0.000 claims description 33
- 239000000126 substance Substances 0.000 claims description 31
- 125000000217 alkyl group Chemical group 0.000 claims description 24
- 239000012044 organic layer Substances 0.000 claims description 19
- 125000003367 polycyclic group Chemical group 0.000 claims description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 16
- 230000005525 hole transport Effects 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 239000001257 hydrogen Substances 0.000 claims description 16
- 125000002950 monocyclic group Chemical group 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 125000000623 heterocyclic group Chemical group 0.000 claims description 12
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 11
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims description 11
- 125000002560 nitrile group Chemical group 0.000 claims description 10
- 125000005264 aryl amine group Chemical group 0.000 claims description 9
- 125000000732 arylene group Chemical group 0.000 claims description 9
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 9
- 125000001072 heteroaryl group Chemical group 0.000 claims description 9
- 239000002019 doping agent Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 125000005581 pyrene group Chemical group 0.000 claims description 7
- 125000003277 amino group Chemical group 0.000 claims description 6
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 6
- 229910052805 deuterium Inorganic materials 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 125000005843 halogen group Chemical group 0.000 claims description 5
- 125000005549 heteroarylene group Chemical group 0.000 claims description 5
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 5
- 125000004076 pyridyl group Chemical group 0.000 claims description 4
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 claims description 3
- 125000004957 naphthylene group Chemical group 0.000 claims description 3
- 150000002894 organic compounds Chemical class 0.000 claims description 3
- HKMTVMBEALTRRR-UHFFFAOYSA-N Benzo[a]fluorene Chemical group C1=CC=CC2=C3CC4=CC=CC=C4C3=CC=C21 HKMTVMBEALTRRR-UHFFFAOYSA-N 0.000 claims description 2
- 125000005578 chrysene group Chemical group 0.000 claims description 2
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 claims description 2
- 150000002736 metal compounds Chemical class 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- UFHFLCQGNIYNRP-VVKOMZTBSA-N Dideuterium Chemical compound [2H][2H] UFHFLCQGNIYNRP-VVKOMZTBSA-N 0.000 claims 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 84
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 66
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- 239000003153 chemical reaction reagent Substances 0.000 description 56
- -1 hole transport Substances 0.000 description 56
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- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 46
- 239000000463 material Substances 0.000 description 44
- 238000002360 preparation method Methods 0.000 description 44
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 42
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 38
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- 125000004432 carbon atom Chemical group C* 0.000 description 23
- 229910000027 potassium carbonate Inorganic materials 0.000 description 23
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- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 20
- 238000001953 recrystallisation Methods 0.000 description 19
- 125000001424 substituent group Chemical group 0.000 description 19
- 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 16
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- UKSZBOKPHAQOMP-SVLSSHOZSA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 UKSZBOKPHAQOMP-SVLSSHOZSA-N 0.000 description 10
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 10
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- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000004821 distillation Methods 0.000 description 10
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 10
- 235000011056 potassium acetate Nutrition 0.000 description 10
- 238000010992 reflux Methods 0.000 description 10
- 238000003786 synthesis reaction Methods 0.000 description 10
- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 0 Cc1cc(I*)cc(I)c1 Chemical compound Cc1cc(I*)cc(I)c1 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 125000005241 heteroarylamino group Chemical group 0.000 description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- 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 5
- 125000003545 alkoxy group Chemical group 0.000 description 5
- 125000003282 alkyl amino group Chemical group 0.000 description 5
- 125000006267 biphenyl group Chemical group 0.000 description 5
- 229940125797 compound 12 Drugs 0.000 description 5
- 229940125782 compound 2 Drugs 0.000 description 5
- 229940126214 compound 3 Drugs 0.000 description 5
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 5
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 5
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 5
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- KCBAMQOKOLXLOX-BSZYMOERSA-N CC1=C(SC=N1)C2=CC=C(C=C2)[C@H](C)NC(=O)[C@@H]3C[C@H](CN3C(=O)[C@H](C(C)(C)C)NC(=O)CCCCCCCCCCNCCCONC(=O)C4=C(C(=C(C=C4)F)F)NC5=C(C=C(C=C5)I)F)O Chemical compound CC1=C(SC=N1)C2=CC=C(C=C2)[C@H](C)NC(=O)[C@@H]3C[C@H](CN3C(=O)[C@H](C(C)(C)C)NC(=O)CCCCCCCCCCNCCCONC(=O)C4=C(C(=C(C=C4)F)F)NC5=C(C=C(C=C5)I)F)O KCBAMQOKOLXLOX-BSZYMOERSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 125000002877 alkyl aryl group Chemical group 0.000 description 4
- 150000003974 aralkylamines Chemical group 0.000 description 4
- 229940125833 compound 23 Drugs 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 238000004770 highest occupied molecular orbital Methods 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 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 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- OJFKUJDRGJSAQB-UHFFFAOYSA-N TAK-632 Chemical compound C1=C(NC(=O)CC=2C=C(C=CC=2)C(F)(F)F)C(F)=CC=C1OC(C(=C1S2)C#N)=CC=C1N=C2NC(=O)C1CC1 OJFKUJDRGJSAQB-UHFFFAOYSA-N 0.000 description 3
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical group C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 3
- 125000005332 alkyl sulfoxy group Chemical group 0.000 description 3
- 125000005377 alkyl thioxy group Chemical group 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000010405 anode material Substances 0.000 description 3
- 125000005165 aryl thioxy group Chemical group 0.000 description 3
- 125000004104 aryloxy group Chemical group 0.000 description 3
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical group C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
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- 125000004185 ester group Chemical group 0.000 description 3
- 125000005462 imide group Chemical group 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 125000001624 naphthyl group Chemical group 0.000 description 3
- XYFCBTPGUUZFHI-UHFFFAOYSA-N phosphine group Chemical group P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 3
- LQUPKVMEAATBSL-UHFFFAOYSA-L zinc;2,3,4-trichlorophenolate Chemical compound [Zn+2].[O-]C1=CC=C(Cl)C(Cl)=C1Cl.[O-]C1=CC=C(Cl)C(Cl)=C1Cl LQUPKVMEAATBSL-UHFFFAOYSA-L 0.000 description 3
- YIWGJFPJRAEKMK-UHFFFAOYSA-N 1-(2H-benzotriazol-5-yl)-3-methyl-8-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carbonyl]-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound CN1C(=O)N(c2ccc3n[nH]nc3c2)C2(CCN(CC2)C(=O)c2cnc(NCc3cccc(OC(F)(F)F)c3)nc2)C1=O YIWGJFPJRAEKMK-UHFFFAOYSA-N 0.000 description 2
- DMEVMYSQZPJFOK-UHFFFAOYSA-N 3,4,5,6,9,10-hexazatetracyclo[12.4.0.02,7.08,13]octadeca-1(18),2(7),3,5,8(13),9,11,14,16-nonaene Chemical group N1=NN=C2C3=CC=CC=C3C3=CC=NN=C3C2=N1 DMEVMYSQZPJFOK-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
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- JAWMENYCRQKKJY-UHFFFAOYSA-N [3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-ylmethyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-8-yl]-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]methanone Chemical compound N1N=NC=2CN(CCC=21)CC1=NOC2(C1)CCN(CC2)C(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F JAWMENYCRQKKJY-UHFFFAOYSA-N 0.000 description 2
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- 150000004982 aromatic amines Chemical class 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 125000002676 chrysenyl group Chemical group C1(=CC=CC=2C3=CC=C4C=CC=CC4=C3C=CC12)* 0.000 description 2
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- 125000005842 heteroatom Chemical group 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
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- 238000007641 inkjet printing Methods 0.000 description 2
- IMKMFBIYHXBKRX-UHFFFAOYSA-M lithium;quinoline-2-carboxylate Chemical compound [Li+].C1=CC=CC2=NC(C(=O)[O-])=CC=C21 IMKMFBIYHXBKRX-UHFFFAOYSA-M 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
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- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 2
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- 238000007740 vapor deposition Methods 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- UGUHFDPGDQDVGX-UHFFFAOYSA-N 1,2,3-thiadiazole Chemical group C1=CSN=N1 UGUHFDPGDQDVGX-UHFFFAOYSA-N 0.000 description 1
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- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 1
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 1
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- 125000006218 1-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- NTYDMFCZXBCEJY-UHFFFAOYSA-N 1-methyl-2-phenylcyclohexa-2,4-dien-1-amine Chemical group CC1(N)CC=CC=C1C1=CC=CC=C1 NTYDMFCZXBCEJY-UHFFFAOYSA-N 0.000 description 1
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- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
- MYKQKWIPLZEVOW-UHFFFAOYSA-N 11h-benzo[a]carbazole Chemical group C1=CC2=CC=CC=C2C2=C1C1=CC=CC=C1N2 MYKQKWIPLZEVOW-UHFFFAOYSA-N 0.000 description 1
- VVEVWWSFKHEOJZ-UHFFFAOYSA-N 1h-benzimidazolo[4,5-h]quinazoline Chemical group C1=CC2=CN=CN=C2C2=C1C(N=CN1)=C1C=C2 VVEVWWSFKHEOJZ-UHFFFAOYSA-N 0.000 description 1
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 1
- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
- WONYVCKUEUULQN-UHFFFAOYSA-N 2-methyl-n-(2-methylphenyl)aniline Chemical group CC1=CC=CC=C1NC1=CC=CC=C1C WONYVCKUEUULQN-UHFFFAOYSA-N 0.000 description 1
- 125000005916 2-methylpentyl group Chemical group 0.000 description 1
- 125000006024 2-pentenyl group Chemical group 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 125000004975 3-butenyl group Chemical group C(CC=C)* 0.000 description 1
- 125000006027 3-methyl-1-butenyl group Chemical group 0.000 description 1
- JJYPMNFTHPTTDI-UHFFFAOYSA-N 3-methylaniline Chemical group CC1=CC=CC(N)=C1 JJYPMNFTHPTTDI-UHFFFAOYSA-N 0.000 description 1
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- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
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- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 238000010345 tape casting Methods 0.000 description 1
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- MXSVLWZRHLXFKH-UHFFFAOYSA-N triphenylborane Chemical group C1=CC=CC=C1B(C=1C=CC=CC=1)C1=CC=CC=C1 MXSVLWZRHLXFKH-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 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
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- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/14—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
Definitions
- the present specification relates to a heterocyclic compound and an organic light emitting device using the same.
- This application is subject to the Korean Patent Application No. 10-2015-0129129 filed with the Korean Patent Office on September 11, 2015 and the Korean Patent Application No. 10-2016-0094992 filed with the Korean Patent Office on July 26, 2016. Claims are made, the contents of which are incorporated herein in their entirety.
- organic light emitting phenomenon refers to a phenomenon of converting electrical energy into light energy using an organic material.
- An organic light emitting device using an organic light emitting phenomenon usually has a structure including an anode, a cathode, and an organic material layer therebetween.
- the organic material layer is often made of a multi-layered structure composed of different materials to increase the efficiency and stability of the organic light emitting device, for example, it may be made of a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer.
- An exemplary embodiment of the present specification provides a compound represented by the following formula (1).
- X 1 to X 3 are the same as or different from each other, and each independently N or CR 1 ,
- At least one of X 1 to X 3 is N,
- R 1 is hydrogen or deuterium
- Y 1 is a substituted or unsubstituted naphthylene group
- L 1 to L 4 are the same as or different from each other, and each independently a direct bond; Substituted or unsubstituted arylene group; Substituted or unsubstituted hetero arylene group; Or a substituted or unsubstituted divalent arylamine group,
- Ar 1 and Ar 2 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; Halogen group; Amino group; Nitrile group; Nitro group; A substituted or unsubstituted cycloalkyl group; Substituted or unsubstituted aryl group; Or a substituted or unsubstituted heteroaryl group,
- Ar 3 and Ar 4 are the same as or different from each other, and each independently represent a substituted or unsubstituted pyridyl group.
- an exemplary embodiment of the present specification includes a first electrode; A second electrode provided to face the first electrode; And an organic light emitting device including at least one organic material layer provided between the first electrode and the second electrode, wherein at least one of the organic material layers includes the compound of Formula 1.
- the compound described herein can be used as the material of the organic material layer of the organic light emitting device.
- the compound according to at least one exemplary embodiment may improve efficiency, low driving voltage, and / or lifetime characteristics in the organic light emitting diode.
- the compounds described herein can be used as hole injection, hole transport, hole injection and hole transport, electron suppression, luminescence, hole suppression, electron transport, or electron injection material.
- the compound as a material of the organic material layer of the organic light emitting device, it is possible to obtain a longer life of the organic light emitting device than when using the existing material.
- FIG. 1 shows an example of an organic light emitting element composed of a substrate 1, an anode 2, a light emitting layer 3, and a cathode 4.
- FIG. 2 shows an example of an organic light emitting element consisting of a substrate 1, an anode 2, a hole injection layer 5, a hole transport layer 6, a light emitting layer 7, an electron transport layer 8 and a cathode 4 It is.
- An exemplary embodiment of the present specification provides a compound represented by Chemical Formula 1.
- the term "substituted or unsubstituted” is deuterium; Halogen group; Nitrile group; Nitro group; Hydroxyl group; Carbonyl group; Ester group; Imide group; Amino group; Phosphine oxide groups; An alkoxy group; Aryloxy group; Alkyl thioxy group; Arylthioxy group; Alkyl sulfoxy groups; Aryl sulfoxy group; Silyl groups; Boron group; Alkyl groups; Cycloalkyl group; Alkenyl groups; Aryl group; Aralkyl group; Ar alkenyl group; Alkylaryl group; Alkylamine group; Aralkyl amine groups; Heteroarylamine group; Arylamine group; Aryl phosphine group; And it is substituted or unsubstituted with one or more substituents selected from the group consisting of a heterocyclic group, or substituted or unsubstituted two or more substituents of the substituents exemp
- a substituent to which two 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 to which two phenyl groups are linked.
- carbon number of a carbonyl group in this specification is not specifically limited, It is preferable that it is C1-C40. Specifically, it may be a compound having a structure as follows, but is not limited thereto.
- the oxygen of the ester group may be substituted with a linear, branched or cyclic alkyl group having 1 to 40 carbon atoms or an aryl group having 6 to 30 carbon atoms. Specifically, it may be a compound of the following structural formula, but is not limited thereto.
- carbon number of an imide group is not specifically limited, It is preferable that it is C1-C25. Specifically, it may be a compound having a structure as follows, but is not limited thereto.
- the silyl group may be represented by the formula of -SiR a R b R c , wherein R a , R b and R c are each hydrogen; Substituted or unsubstituted alkyl group; Or a substituted or unsubstituted aryl group.
- Specific examples of the silyl group include trimethylsilyl group, triethylsilyl group, t-butyldimethylsilyl group, vinyldimethylsilyl group, propyldimethylsilyl group, triphenylsilyl group, diphenylsilyl group, and phenylsilyl group, but are not limited thereto. Do not.
- the boron group may be represented by the formula of -BR a R b , wherein R a and R b are each hydrogen; Substituted or unsubstituted alkyl group; Or a substituted or unsubstituted aryl group.
- the boron group may include, but is not limited to, trimethylboron group, triethylboron group, t-butyldimethylboron group, triphenylboron group, and phenylboron group.
- the alkyl group may be linear or branched chain, carbon number is not particularly limited, but is preferably 1 to 40. According to an exemplary embodiment, the alkyl group has 1 to 20 carbon atoms. According to another exemplary embodiment, the alkyl group has 1 to 10 carbon atoms. According to another exemplary embodiment, the alkyl group has 1 to 6 carbon atoms.
- alkyl group examples include methyl, ethyl, propyl, n-propyl, isopropyl, butyl, n-butyl, isobutyl, tert-butyl, sec-butyl, 1-methyl-butyl, 1-ethyl-butyl, pentyl, n -Pentyl, isopentyl, neopentyl, tert-pentyl, hexyl, n-hexyl, 1-methylpentyl, 2-methylpentyl, 4-methyl-2-pentyl, 3,3-dimethylbutyl, 2-ethylbutyl, heptyl , n-heptyl, 1-methylhexyl, cyclopentylmethyl, cyclohexylmethyl, octyl, n-octyl, tert-octyl, 1-methylheptyl, 2-ethylhexyl
- the alkoxy group may be linear, branched or cyclic. Although carbon number of an alkoxy group is not specifically limited, It is preferable that it is C1-C40. Specifically, methoxy, ethoxy, n-propoxy, isopropoxy, i-propyloxy, n-butoxy, isobutoxy, tert-butoxy, sec-butoxy, n-pentyloxy, neopentyloxy, Isopentyloxy, n-hexyloxy, 3,3-dimethylbutyloxy, 2-ethylbutyloxy, n-octyloxy, n-nonyloxy, n-decyloxy, benzyloxy, p-methylbenzyloxy and the like It may be, but is not limited thereto.
- Substituents comprising alkyl groups, alkoxy groups and other alkyl group moieties described herein include both straight and pulverized forms.
- the alkenyl group may be linear or branched chain, the carbon number is not particularly limited, but is preferably 2 to 40. According to an exemplary embodiment, the alkenyl group has 2 to 20 carbon atoms. According to another exemplary embodiment, the alkenyl group has 2 to 10 carbon atoms. According to another exemplary embodiment, the alkenyl group has 2 to 6 carbon atoms.
- Specific examples include vinyl, 1-propenyl, isopropenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-pentenyl, 2-pentenyl, 3-pentenyl, 3-methyl-1- Butenyl, 1,3-butadienyl, allyl, 1-phenylvinyl-1-yl, 2-phenylvinyl-1-yl, 2,2-diphenylvinyl-1-yl, 2-phenyl-2- ( Naphthyl-1-yl) vinyl-1-yl, 2,2-bis (diphenyl-1-yl) vinyl-1-yl, stilbenyl group, styrenyl group and the like, but are not limited thereto.
- the cycloalkyl group is not particularly limited, but preferably has 3 to 60 carbon atoms, and according to one embodiment, the cycloalkyl group has 3 to 40 carbon atoms. According to another exemplary embodiment, the cycloalkyl group has 3 to 20 carbon atoms. According to another exemplary embodiment, the cycloalkyl group has 3 to 6 carbon atoms.
- the alkylamine group is not particularly limited in carbon number, but is preferably 1 to 40.
- Specific examples of the alkylamine group include a methylamine group, a dimethylamine group, an ethylamine group, a diethylamine group, and the like, but are not limited thereto.
- 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, may be a polycyclic aryl group.
- the arylamine group including two or more aryl groups may simultaneously include a monocyclic aryl group, a polycyclic aryl group, or a monocyclic aryl group and a polycyclic aryl group.
- arylamine group examples include phenylamine group, naphthylamine group, biphenylamine group, anthracenylamine group, 3-methyl-phenylamine group, 4-methyl-naphthylamine group, 2-methyl-biphenylamine Group, 9-methyl-anthracenylamine group, diphenyl amine group, phenyl naphthyl amine group, ditolyl amine group, phenyl tolyl amine group, carbazole and triphenylamine group, and the like, but are not limited thereto.
- examples of the heteroarylamine group include a substituted or unsubstituted monoheteroarylamine group, a substituted or unsubstituted diheteroarylamine group, or a substituted or unsubstituted triheteroarylamine group.
- the heteroaryl group in the heteroarylamine group may be a monocyclic hetero ring group or may be a polycyclic hetero ring group.
- the heteroarylamine group including two or more heterocyclic groups may simultaneously include a monocyclic hetero ring group, a polycyclic hetero ring group, or a monocyclic hetero ring group and a polycyclic hetero ring group.
- the arylheteroarylamine group means an amine group substituted with an aryl group and a heterocyclic group.
- examples of the arylphosphine group include a substituted or unsubstituted monoarylphosphine group, a substituted or unsubstituted diarylphosphine group, or a substituted or unsubstituted triarylphosphine group.
- the aryl group in the arylphosphine group may be a monocyclic aryl group, may be a polycyclic aryl group.
- the arylphosphine group containing two or more aryl groups may simultaneously include a monocyclic aryl group, a polycyclic aryl group, or a monocyclic aryl group and a polycyclic aryl group.
- the aryl group is not particularly limited, but preferably has 6 to 60 carbon atoms, and may be a monocyclic aryl group or a polycyclic aryl group. According to an exemplary embodiment, the aryl group has 6 to 30 carbon atoms. According to an exemplary embodiment, the aryl group has 6 to 20 carbon atoms.
- the aryl group may be a monocyclic aryl group, but may be a phenyl group, a biphenyl group, a terphenyl group, etc., but is not limited thereto.
- the polycyclic aryl group may be naphthyl group, anthracenyl group, phenanthryl group, pyrenyl group, perylenyl group, chrysenyl group, fluorenyl group, and the like, but is not limited thereto.
- the fluorenyl group may be substituted, and two substituents may be bonded to each other to form a spiro structure.
- Spirofluorenyl groups such as (9,9-dimethylfluorenyl group), and It may be a substituted fluorenyl group such as (9,9-diphenyl fluorenyl group).
- the present invention is not limited thereto.
- the heterocyclic group is a heterocyclic group including one or more of N, O, P, S, Si, and Se as hetero atoms, and carbon number is not particularly limited, but is preferably 1 to 60 carbon atoms. According to an exemplary embodiment, the heterocyclic group has 2 to 30 carbon atoms.
- heterocyclic group examples include, for example, pyridyl group, pyrrole group, pyrimidyl group, pyridazinyl group, furanyl group, thiophenyl group, imidazole group, pyrazole group, oxazole group, isoxazole group, thiazole group, isothiazole group, Triazole group, oxadiazole group, thiadiazole group, dithiazole group, tetrazole group, pyranyl group, thiopyranyl group, pyrazinyl group, oxazinyl group, thiazinyl group, deoxyyl group, triazinyl group, tetrazinyl group, qui Nolinyl group, isoquinolinyl group, quinolyl group, quinazolinyl group, quinoxalinyl group, naphthyridinyl group, acriridyl group, xanthenyl group
- heteroaryl group is aromatic
- the aryl group in the aryloxy group, arylthioxy group, aryl sulfoxy group, aryl phosphine group, aralkyl group, aralkylamine group, aralkenyl group, alkylaryl group, arylamine group, arylheteroarylamine group is described above.
- the description of one aryl group may apply.
- the alkyl group among the alkyl thioxy group, the alkyl sulfoxy group, the aralkyl group, the aralkyl amine group, the alkyl aryl group, and the alkyl amine group may be described with respect to the alkyl group described above.
- heteroaryl group a heteroarylamine group, and an arylheteroarylamine group among the heteroaryl groups may be applied to the description of the aforementioned heterocyclic group.
- alkenyl group of the alkenyl group may be applied to the description of the alkenyl group described above.
- heteroarylene is a divalent group
- the description of the heterocyclic group described above may be applied.
- the compound represented by Formula 1 may be represented by the following formula (2).
- L 1 to L 4 are the same as or different from each other, and each independently a direct bond; Or a substituted or unsubstituted arylene group.
- L 1 to L 4 are all a direct bond.
- L 1 and L 3 is a direct bond
- L 2 and L 4 is a substituted or unsubstituted arylene group.
- L 1 and L 3 are a substituted or unsubstituted arylene group
- L 2 and L 4 is a direct bond
- L 1 to L 4 are all substituted or unsubstituted arylene groups.
- L 1 to L 4 are the same as or different from each other, and each independently one of the substituents selected from the group below, but is not limited thereto, and the structures below may be further substituted. .
- the structures are deuterium; Halogen group; Nitrile group; Nitro group; Hydroxyl group; Carbonyl group; Ester group; Imide group; Amine groups; Phosphine oxide groups; An alkoxy group; Aryloxy group; Alkyl thioxy group; Arylthioxy group; Alkyl sulfoxy groups; Aryl sulfoxy group; Silyl groups; Boron group; Alkyl groups; Cycloalkyl group; Alkenyl groups; Aryl group; Aralkyl group; Ar alkenyl group; Alkylaryl group; Alkylamine group; Aralkyl amine groups; Heteroarylamine group; Arylamine group; Aryl heteroaryl amine group; Aryl phosphine group; And it may be substituted or unsubstituted with one or more substituents selected from the group consisting of a heterocyclic group.
- L 1 to L 4 are the same as or different from each other, and each independently a direct bond; Or a substituted or unsubstituted phenylene group.
- L 1 and L 2 are both direct bonds.
- L 1 and L 2 are different from each other, one of L 1 and L 2 is a direct bond and the other is a substituted or unsubstituted phenylene group.
- L 1 and L 2 are both a substituted or unsubstituted phenylene group.
- L 3 and L 4 are both direct bonds.
- L 3 and L 4 are different from each other, one of L 3 and L 4 is a direct bond and the other is a phenylene group.
- L 3 and L 4 are both a substituted or unsubstituted phenylene group.
- the compound represented by Formula 1 may be represented by the following formula (3) or formula (4).
- Y 1 is a substituted or unsubstituted naphthylene group.
- Y 1 is any one selected from the following structures.
- the compound represented by Chemical Formula 1 may be represented by the following Chemical Formulas 5 to 14.
- the compound represented by Chemical Formula 1 may be represented by the following Chemical Formulas 15 to 24.
- X 1 to X 3 , Ar 1 to Ar 4 , L 3 and L 4 are the same as defined in Formula 1.
- Ar 1 and Ar 2 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; Halogen group; Amino group; Nitrile group; Nitro group; A substituted or unsubstituted cycloalkyl group; Substituted or unsubstituted aryl group; Or a substituted or unsubstituted heteroaryl group.
- Ar 1 and Ar 2 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; Substituted or unsubstituted aryl group having 6 to 60 carbon atoms; Or a substituted or unsubstituted heteroaryl group having 1 to 60 carbon atoms.
- Ar 1 and Ar 2 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; Or a monocyclic or polycyclic substituted or unsubstituted aryl group having 6 to 30 carbon atoms.
- Ar 1 and Ar 2 are the same as or different from each other, and each independently hydrogen; heavy hydrogen; Substituted or unsubstituted phenyl group; A substituted or unsubstituted biphenyl group; Substituted or unsubstituted terphenyl group; Substituted or unsubstituted naphthyl group; Substituted or unsubstituted anthracenyl group; Substituted or unsubstituted phenanthryl group; Substituted or unsubstituted pyrenyl group; Substituted or unsubstituted perenyl group; Substituted or unsubstituted chrysenyl group; Or a substituted or unsubstituted fluorenyl group.
- Ar 1 and Ar 2 are the same as or different from each other, and each hydrogen; Or a substituted or unsubstituted phenyl group.
- Ar 1 and Ar 2 are both a substituted or unsubstituted phenyl group.
- Ar 3 and Ar 4 are the same as or different from each other, and each independently represent a substituted or unsubstituted pyridyl group.
- Ar 3 and Ar 4 are the same as or different from each other, and each independently or to be.
- the compound of Formula 1 may be any one selected from the following compounds.
- the conjugation length of the compound and the energy bandgap are closely related. Specifically, the longer the conjugation length of the compound, the smaller the energy bandgap.
- compounds having various energy band gaps can be synthesized by introducing various substituents into the core structure.
- the HOMO and LUMO energy levels of the compound may be controlled by introducing various substituents into the core structure of the above structure.
- the compound which has the intrinsic property of the introduced substituent can be synthesize
- a substituent mainly used in the hole injection layer material, the hole transport material, the light emitting layer material, and the electron transport layer material used in the manufacture of the organic light emitting device into the core structure, it is possible to synthesize a material satisfying the requirements of each organic material layer. Can be.
- the organic light emitting device is an organic light emitting device comprising a first electrode, a second electrode, and at least one organic layer disposed between the first electrode and the second electrode, at least one of the organic layer It is characterized by including the compound.
- the organic light emitting device of the present invention may be manufactured by a conventional method and material for manufacturing an organic light emitting device, except that at least one organic material layer is formed using the above-described compound.
- the compound may be formed as an organic material layer by a solution coating method as well as a vacuum deposition method in the manufacture of the organic light emitting device.
- the solution coating method means spin coating, dip coating, inkjet printing, screen printing, spraying method, roll coating and the like, but is not limited thereto.
- the organic material layer of the organic light emitting device of the present invention may have a single layer structure, but may have a multilayer structure in which two or more organic material layers are stacked.
- the organic light emitting device of the present invention may have a structure including a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer and the like as an organic material layer.
- the structure of the organic light emitting device is not limited thereto and may include a smaller number of organic material layers.
- the organic material layer may include at least one or more of a hole injection layer, a hole transport layer, and a layer for simultaneously injecting holes and transporting holes, wherein at least one of the layers is It may include a compound represented by 1.
- the organic material layer includes a light emitting layer, and the light emitting layer includes a compound represented by Chemical Formula 1.
- the compound represented by Formula 1 may be included as a phosphorescent host material of the light emitting layer.
- the organic material layer including the compound represented by Chemical Formula 1 may include the compound represented by Chemical Formula 1 as a host, and may include another organic compound, a metal, or a metal compound as a dopant.
- the organic material layer including the compound represented by Chemical Formula 1 may include the compound represented by Chemical Formula 1 as a host, and may be used together with an iridium-based (Ir) dopant.
- the organic material layer is an electron transport layer; An electron injection layer; And at least one layer simultaneously performing electron transport and electron injection, and at least one of the layers may include the compound.
- the organic material layer may include an electron transport and hole blocking layer, and the electron transport and hole blocking layer may include the compound.
- the compound is a light emitting layer; A layer which simultaneously performs hole injection / hole transport and light emission; A layer for simultaneously transporting holes and emitting light; Or a layer that simultaneously performs electron transport and light emission.
- the organic material layer includes a light emitting layer, and the light emitting layer includes a compound of Formula A-1.
- n is an integer of 1 or more
- Ar5 is a substituted or unsubstituted monovalent or higher benzofluorene group; Substituted or unsubstituted monovalent or higher fluoranthene group; A substituted or unsubstituted monovalent or higher pyrene group; Or a substituted or unsubstituted monovalent or higher chrysene group,
- L5 is a direct bond; Substituted or unsubstituted arylene group; Or a substituted or unsubstituted heteroarylene group,
- Ar6 and Ar7 are the same as or different from each other, and each independently a substituted or unsubstituted aryl group; Substituted or unsubstituted silyl group; Substituted or unsubstituted alkyl group; Substituted or unsubstituted arylalkyl group; Or a substituted or unsubstituted heterocyclic group, or may combine with each other to form a substituted or unsubstituted ring,
- n 2 or more
- the structures in two or more parentheses are the same or different from each other.
- the organic material layer includes a light emitting layer, and the light emitting layer includes a compound represented by Chemical Formula A-1 as a dopant of the light emitting layer.
- L5 is a direct bond.
- n is 2.
- Ar5 is a divalent pyrene group unsubstituted or substituted with deuterium, methyl, ethyl, isopropyl, or tert-butyl groups; Or a divalent cryacene group unsubstituted or substituted with deuterium, methyl, ethyl or tert-butyl groups.
- Ar5 is a divalent pyrene group unsubstituted or substituted with an alkyl group; Or a divalent cryacene group unsubstituted or substituted with an alkyl group.
- Ar5 is a divalent pyrene group unsubstituted or substituted with an alkyl group.
- Ar5 is a divalent pyrene group.
- Ar6 and Ar7 are the same as or different from each other, and each independently represent a substituted or unsubstituted aryl group having 6 to 30 carbon atoms.
- Ar6 and Ar7 are the same as or different from each other, and each independently an aryl group unsubstituted or substituted with an alkyl group, a nitrile group, or a silyl group substituted with an alkyl group.
- Ar6 and Ar7 are the same as or different from each other, and each independently substituted or unsubstituted with a silyl group substituted with a methyl group, an ethyl group, an isopropyl group, a tert-butyl group, a nitrile group, and an alkyl group It is an aryl group.
- Ar6 and Ar7 are the same as or different from each other, and each independently an aryl group unsubstituted or substituted with a silyl group substituted with an alkyl group.
- Ar6 and Ar7 are the same as or different from each other, and each independently an aryl group unsubstituted or substituted with a trimethyl silyl group.
- Ar6 and Ar7 are the same as or different from each other, and each independently a substituted or unsubstituted phenyl group; Substituted or unsubstituted biphenyl group; Or a substituted or unsubstituted terphenyl group.
- Ar6 and Ar7 are the same as or different from each other, and each independently a phenyl group unsubstituted or substituted with a methyl group, an ethyl group, an isopropyl group, a tert-butyl group, a nitrile group, or a trimethylsilyl group.
- Ar6 and Ar7 are the same as or different from each other, and each independently represent a phenyl group unsubstituted or substituted with a trimethylsilyl group.
- Ar6 and Ar7 are the same as or different from each other, each independently represent a substituted or unsubstituted heteroaryl group having 2 to 30 carbon atoms.
- Ar6 and Ar7 are the same as or different from each other, and each independently substituted or unsubstituted with a methyl group, an ethyl group, a tert-butyl group, a nitrile group, a silyl group substituted with an alkyl group or a phenyl group It is an aryl group.
- Ar6 and Ar7 are the same as or different from each other, and each independently substituted or unsubstituted with a methyl group, ethyl group, tert-butyl group, nitrile group, trimethylsilyl group or phenyl group to be.
- the formula A-1 is selected from the following compounds.
- the organic material layer includes a light emitting layer, and the light emitting layer includes a compound represented by Chemical Formula A-2.
- Ar11 and Ar12 are the same as or different from each other, and each independently a substituted or unsubstituted monocyclic aryl group; Or a substituted or unsubstituted polycyclic aryl group,
- G1 to G8 are the same as or different from each other, and each independently hydrogen; Substituted or unsubstituted monocyclic aryl group; Or a substituted or unsubstituted polycyclic aryl group.
- the organic material layer includes a light emitting layer, and the light emitting layer includes a compound represented by Chemical Formula A-2 as a host of the light emitting layer.
- Ar11 and Ar12 are the same as or different from each other, and each independently a substituted or unsubstituted polycyclic aryl group.
- Ar11 and Ar12 are the same as or different from each other, and each independently represent a substituted or unsubstituted polycyclic aryl group having 10 to 30 carbon atoms.
- Ar11 and Ar12 are the same as or different from each other, and each independently a substituted or unsubstituted naphthyl group.
- Ar11 and Ar12 are the same as or different from each other, and each independently a substituted or unsubstituted 1-naphthyl group.
- Ar11 and Ar12 are 1-naphthyl group.
- the G1 to G8 is hydrogen.
- the formula A-2 is selected from the following compounds.
- the organic material layer includes a light emitting layer
- the light emitting layer includes the compound represented by Formula A-1 as a dopant of the light emitting layer
- the compound represented by Formula A-2 includes a host of the light emitting layer Include as.
- An organic light emitting device including two or more organic material layers provided between the light emitting layer and the first electrode or between the light emitting layer and the second electrode, wherein at least one of the two or more organic material layers includes the heterocyclic compound.
- the two or more organic material layer is an electron transport layer; An electron injection layer; A layer which simultaneously conducts electron transport and electron injection; And a hole blocking layer may be selected from two or more.
- the organic material layer includes two or more electron transport layers, and at least one of the two or more electron transport layers includes the heterocyclic compound.
- the heterocyclic compound may be included in one layer of the two or more electron transport layers, and may be included in each of the two or more electron transport layers.
- heterocyclic compound when included in each of the two or more electron transport layers, other materials except for the heterocyclic compound may be the same or different from each other.
- the structure of the organic light emitting device of the present invention may have a structure as shown in FIGS. 1 and 2, but is not limited thereto.
- FIG. 1 illustrates a structure of an organic light emitting device in which an anode 2, a light emitting layer 3, and a cathode 4 are sequentially stacked on a substrate 1.
- the compound may be included in the light emitting layer (3).
- FIG. 2 illustrates an organic light emitting device in which an anode 2, a hole injection layer 5, a hole transport layer 6, a light emitting layer 7, an electron transport layer 8, and a cathode 4 are sequentially stacked on a substrate 1.
- the structure is illustrated.
- the compound may be included in the hole injection layer 5, the hole transport layer 6, the light emitting layer 7, or the electron transport layer 8.
- the organic light emitting device uses a metal vapor deposition (PVD) method such as sputtering or e-beam evaporation, and has a metal oxide or a metal oxide or an alloy thereof on a substrate. It can be prepared by depositing an anode to form an anode, an organic material layer including a hole injection layer, a hole transport layer, a light emitting layer and an electron transport layer thereon, and then depositing a material that can be used as a cathode thereon.
- PVD metal vapor deposition
- an organic light emitting device may be manufactured by sequentially depositing a cathode material, an organic material layer, and an anode material on a substrate.
- the organic material layer may have a multilayer structure including a hole injection layer, a hole transport layer, a light emitting layer, and an electron transport layer, but is not limited thereto and may have a single layer structure.
- the organic layer may be prepared by using a variety of polymer materials, and by using a method such as spin coating, dip coating, doctor blading, screen printing, inkjet printing, or thermal transfer, rather than a deposition method. It can be prepared in layers.
- the anode material a material having a large work function is usually preferred to facilitate hole injection into the organic material layer.
- the positive electrode material that can be used in the present invention include metals such as vanadium, chromium, copper, zinc and gold or alloys thereof; Metal oxides such as zinc oxide, indium oxide, indium tin oxide (ITO), indium zinc oxide (IZO); A combination of a metal and an oxide such as ZnO: Al or SnO 2 : Sb; Conductive polymers such as poly (3-methyl compound), poly [3,4- (ethylene-1,2-dioxy) compound] (PEDT), polypyrrole and polyaniline, and the like, but are not limited thereto.
- the cathode material is a material having a small work function to facilitate electron injection into the organic material layer.
- the negative electrode material include metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin, and lead or alloys thereof; Multilayer structure materials such as LiF / Al or LiO 2 / Al, and the like, but are not limited thereto.
- the hole injection material is a material capable of well injecting holes from the anode at a low voltage, and the highest occupied molecular orbital (HOMO) of the hole injection material is preferably between the work function of the anode material and the HOMO of the surrounding organic material layer.
- the hole injection material include metal porphyrine, oligothiophene, arylamine-based organics, hexanitrile hexaazatriphenylene-based organics, quinacridone-based organics, and perylene-based Organic compounds, anthraquinones and polyaniline and poly-compounds of conductive polymers, and the like, but are not limited thereto.
- the hole transporting material a material capable of transporting holes from the anode or the hole injection layer to be transferred to the light emitting layer is suitable.
- a material capable of transporting holes from the anode or the hole injection layer to be transferred to the light emitting layer is suitable.
- Specific examples thereof include an arylamine-based organic material, a conductive polymer, and a block copolymer having a conjugated portion and a non-conjugated portion together, but are not limited thereto.
- the light emitting material is a material capable of emitting light in the visible region by transporting and combining holes and electrons from the hole transport layer and the electron transport layer, respectively, and a material having good quantum efficiency with respect to fluorescence or phosphorescence is preferable.
- Specific examples thereof include 8-hydroxyquinoline aluminum complex (Alq 3 ); Carbazole series compounds; Dimerized styryl compounds; BAlq; 10-hydroxybenzoquinoline-metal compound; Benzoxazole, benzthiazole and benzimidazole series compounds; Poly (p-phenylenevinylene) (PPV) -based polymers; Spiro compounds; Polyfluorene, rubrene and the like, but are not limited thereto.
- the organic material layer including the compound represented by Chemical Formula 1 includes the compound represented by Chemical Formula 1 as a host, and may be used together with an iridium-based (Ir) dopant.
- Iridium complex used as a dopant is as follows.
- the electron transporting material is a material capable of injecting electrons well from the cathode and transferring the electrons to the light emitting layer.
- a material having high mobility to electrons is suitable. Specific examples include Al complexes of 8-hydroxyquinoline; Complexes including Alq 3 ; Organic radical compounds; Hydroxyflavone-metal complexes and the like, but are not limited thereto.
- the organic light emitting device according to the present invention may be a top emission type, a bottom emission type or a double-sided emission type depending on the material used.
- reagent 1 100.0 g, 257.55 mmol
- reagent 2 58.5 g, 206.43 mmol
- potassium carbonate 71.2 g, 515.11 mmol
- tetrakistriphenyl-phosphinopalladium 8.9 g, 7.73 mmol
- Compound 1B (51 g, 61%) was prepared by recrystallization with ethanol after distillation under reduced pressure.
- Reagent 4 was purchased from Aldrich.
- reagent 4-1 (100.0 g, 215.35 mmol) and reagent 2 (48.9 g, 236.88 mmol) were added to 1000 ml of tetrahydrofuran and stirred and refluxed. Thereafter, potassium carbonate (59.5 g, 430.69 mmol) was dissolved in 200 ml of water, and after sufficient stirring, tetrakistriphenyl-phosphinopalladium (7.5 g, 6.46 mmol) was added thereto. After the reaction for 12 hours, the temperature was lowered to room temperature and the resulting solid was filtered.
- Compound 4A (70.0 g, 128.21 mmol) was mixed with reagent 3 (39.1 g, 153.85 mmol) and potassium acetate (37.7 g, 384.62 mmol) in a nitrogen atmosphere, added to 700 ml dioxane and heated with stirring.
- Bis (dibenzylideneacetone) palladium (2.2g, 3.85mmol) and tricyclohexylphosphine (2.2g, 3.85mmol) were added under reflux, and the mixture was heated and stirred for 24 hours. After the reaction was completed, the temperature was lowered to room temperature, followed by filtration. Water was added to the filtrate, and the mixture was extracted with chloroform, and the organic layer was dried over anhydrous magnesium sulfate.
- Compound 4B (62 g, 75%) was prepared by recrystallization with ethanol after distillation under reduced pressure.
- Reagent 4 was purchased from Aldrich.
- Reagent 5-1 was purchased from Aldrich.
- Reagent 6-1 (50.0 g, 187.27 mmol) and Reagent 2 (42.5 g, 205.99 mmol) were added to 1000 ml of tetrahydrofuran and stirred and refluxed. Thereafter, potassium carbonate (51.8g, 374.53mmol) was dissolved in 200ml of water, and after sufficient stirring, tetrakistriphenyl-phosphinopalladium (6.5g, 5.62mmol) was added thereto. After the reaction for 12 hours, the temperature was lowered to room temperature and the resulting solid was filtered.
- Reagent 4 was purchased from Aldrich.
- Formula 6C (33.5 g, 66.6 mmol) was mixed with reagent 3 (36.1 g, 159.84 mmol) and potassium acetate (39.2 g, 399.60 mmol) in a nitrogen atmosphere, added to 300 ml of dioxane and heated with stirring. At reflux, bis (dibenzylideneacetone) palladium (2.3 g, 4.0 mmol) and tricyclohexylphosphine (2.2 g, 7.99 mmol) were added thereto, and the mixture was heated and stirred for 24 hours. After the reaction was completed, the temperature was lowered to room temperature, followed by filtration.
- Reagent 5-1 was purchased from Aldrich.
- reagent 7-1 (100.0 g, 257.55 mmol) and reagent 2 (58.5 g, 206.43 mmol) were added to 1000 ml of tetrahydrofuran and stirred and refluxed. Thereafter, potassium carbonate (71.2 g, 515.11 mmol) was dissolved in 200 ml of water, and after sufficient stirring, tetrakistriphenyl-phosphinopalladium (8.9 g, 7.73 mmol) was added thereto. After the reaction for 12 hours, the temperature was lowered to room temperature and the resulting solid was filtered.
- reagent 8-1 (50.0 g, 114.94 mmol) and reagent 8-2 (25.6 g, 206.43 mmol) were added to 1000 ml of tetrahydrofuran and stirred and refluxed. Thereafter, potassium carbonate (71.2 g, 515.11 mmol) was dissolved in 200 ml of water, and after sufficient stirring, tetrakistriphenyl-phosphinopalladium (8.9 g, 7.73 mmol) was added thereto. After the reaction for 12 hours, the temperature was lowered to room temperature and the resulting solid was filtered.
- reagent 8-1 (50.0 g, 114.94 mmol) and reagent 9-2 (25.6 g, 206.43 mmol) were added to 1000 ml of tetrahydrofuran and stirred and refluxed. Thereafter, potassium carbonate (71.2 g, 515.11 mmol) was dissolved in 200 ml of water, and then stirred sufficiently, followed by tetrakistriphenyl-phosphinopalladium (8.9 g, 7.73 mmol). After the reaction for 12 hours, the temperature was lowered to room temperature and the resulting solid was filtered.
- Formula 9C (30.6 g, 52.71 mmol) was mixed with reagent 3 (15.6 g, 126.51 mmol) and potassium acetate (31 g, 316.27 mmol) in a nitrogen atmosphere, added to 300 ml of dioxane and heated with stirring.
- Bis (dibenzylideneacetone) palladium (0.9g, 1.58mmol) and tricyclohexylphosphine (0.9g, 3.16mmol) were added under reflux, and the mixture was heated and stirred for 24 hours. After the reaction was completed, the temperature was lowered to room temperature, followed by filtration. Water was added to the filtrate, and the mixture was extracted with chloroform, and the organic layer was dried over anhydrous magnesium sulfate. Distillation under reduced pressure and recrystallization with ethanol to give compound 9D (33g, 89%).
- a glass substrate (corning 7059 glass) coated with ITO (Indium Tin Oxide) having a thickness of 1000 ⁇ was placed in distilled water in which a dispersant was dissolved, and ultrasonically washed. Fischer Co. products were used for the detergent, and Millipore Co. Secondly filtered distilled water was used as a filter of the product. After washing ITO for 30 minutes, ultrasonic washing was performed twice with distilled water for 10 minutes. After washing the distilled water, the ultrasonic washing in the order of isopropyl alcohol, acetone, methanol solvent and dried.
- ITO Indium Tin Oxide
- Hexanitrile hexaazatriphenylene was thermally vacuum deposited to a thickness of 500 kPa on the prepared ITO transparent electrode to form a hole injection layer.
- HT1 400 kPa
- the host H1 and the dopant D1 compound were vacuum deposited to a thickness of 300 kPa as a light emitting layer.
- Compound 1 and LiQ (Lithium Quinolate) prepared in Synthesis Example 1 were vacuum-deposited on the emission layer in a weight ratio of 1: 1 to form an electron injection and transport layer at a thickness of 350 Pa.
- An organic light emitting device was manufactured by sequentially depositing lithium fluoride (LiF) and aluminum at a thickness of 2,000 ⁇ on the electron injection and transport layer sequentially to form a cathode.
- LiF lithium fluoride
- the lithium fluoride of the cathode was 0.3 ⁇ / sec
- aluminum is deposited at a rate of 2 ⁇ / sec
- the organic light emitting device was manufactured by maintaining 7 to 5 ⁇ 10 ⁇ 6 torr.
- An organic light-emitting device was manufactured in the same manner as in Experimental Example 1-1, except that Compound ET1 was used instead of Compound 1 in Experimental Example 1-1.
- An organic light-emitting device was manufactured in the same manner as in Experimental Example 1-1, except that Compound ET2 was used instead of Compound 1 in Experimental Example 1-1.
- An organic light-emitting device was manufactured in the same manner as in Experimental Example 1-1, except that Compound ET4 was used instead of Compound 1 in Experimental Example 1-1.
- the organic light emitting device manufactured by using the compound of the present specification as an electron transporting layer material showing excellent properties in terms of efficiency and stability when compared with the case of using the Comparative Examples 1 to 3 materials Able to know.
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Abstract
Description
실험예@10mA/cm2 | 화합물 | 전압 (V) | 전류효율 (cd/A) | 색좌표 (x,y) | LT 95% (hr)@ 20mA/cm2 |
실험예 1-1 | 화합물 1 | 4.23 | 5.59 | (0.141, 0.152) | 42 |
실험예 1-2 | 화합물 2 | 4.24 | 5.66 | (0.140, 0.153) | 42 |
실험예 1-3 | 화합물 3 | 4.35 | 5.45 | (0.140, 0.151) | 51 |
실험예 1-4 | 화합물 4 | 4.24 | 5.49 | (0.142, 0.149) | 65 |
실험예 1-5 | 화합물 7 | 4.22 | 5.88 | (0.143, 0.153) | 35 |
실험예 1-6 | 화합물 8 | 4.38 | 5.25 | (0.144, 0.150) | 90 |
실험예 1-7 | 화합물 9 | 4.22 | 6.10 | (0.140, 0.150) | 29 |
실험예 1-8 | 화합물 12 | 4.18 | 6.24 | (0.142, 0.152) | 28 |
실험예 1-9 | 화합물 23 | 4.24 | 5.49 | (0.143, 0.153) | 60 |
비교예 1 | ET1 | 4.03 | 5.16 | (0.134, 0.141) | 29.5 |
비교예 2 | ET2 | 4.00 | 6.21 | (0.139, 0.148) | 15 |
비교예 3 | ET4 | 4.01 | 6.18 | (0.134, 0.148) | 17 |
Claims (18)
- 하기 화학식 1 로 표시되는 화합물:[화학식 1]상기 화학식 1에 있어서,X1 내지 X3은 서로 같거나 상이하고, 각각 독립적으로 N 또는 CR1이며,X1 내지 X3 중 적어도 하나는 N이고,R1은 수소 또는 중수소이며,Y1은 치환 또는 비치환된 나프틸렌기이며,L1 내지 L4는 서로 같거나 상이하고, 각각 독립적으로 직접결합; 치환 또는 비치환된 아릴렌기; 치환 또는 비치환된 헤테로아릴렌기; 또는 치환 또는 비치환된 2가의 아릴아민기이며,Ar1 및 Ar2는 서로 같거나 상이하고, 각각 독립적으로 수소; 중수소; 할로겐기; 아미노기; 니트릴기; 니트로기; 치환 또는 비치환된 시클로알킬기; 치환 또는 비치환된 아릴기; 또는 치환 또는 비치환된 헤테로아릴기이며,Ar3 및 Ar4는 서로 같거나 상이하고, 각각 독립적으로 치환 또는 비치환된 피리딜기이다.
- 제1 전극, 제2 전극, 및 상기 제1 전극과 제2 전극 사이에 배치된 1층 이상의 유기물층을 포함하는 유기 발광 소자로서, 상기 유기물층 중 1층 이상은 청구항 1 내지 7 중 어느 하나의 항에 따른 화합물을 포함하는 것을 특징으로 하는 유기 발광 소자.
- 청구항 8에 있어서, 상기 유기물층은 전자 수송층; 전자 주입층; 및 전자 수송 및 전자 주입을 동시에 하는 층 중 적어도 한 층을 포함하고, 상기 층들 중 적어도 한 층이 상기 화합물을 포함하는 것을 특징으로 하는 유기 발광 소자.
- 청구항 8에 있어서, 상기 유기물층은 전자 수송 및 정공 차단층을 포함하고, 상기 전자 수송 및 정공 차단층이 상기 화합물을 포함하는 것을 특징으로 하는 유기 발광 소자.
- 청구항 8에 있어서, 상기 유기물층은 발광층을 포함하고, 상기 발광층이 상기 화합물을 발광층의 호스트로서 포함하는 것인 유기 발광 소자.
- 청구항 8에 있어서, 상기 유기물층은 정공 주입층; 정공 수송층; 및 정공 주입 및 정공 수송을 동시에 하는 층 중 적어도 한 층을 포함하고, 상기 층들 중 적어도 한 층이 상기 화합물을 포함하는 것을 특징으로 하는 유기 발광 소자.
- 청구항 8에 있어서, 상기 유기물층은 상기 화합물을 호스트로서 포함하고, 다른 유기 화합물, 금속 또는 금속 화합물을 도펀트로 포함하는 것인 유기 발광 소자.
- 청구항 8에 있어서, 상기 유기물층은 발광층을 포함하고,상기 발광층은 하기 화학식 A-1의 화합물을 포함하는 것인 유기 발광 소자:[화학식 A-1]상기 화학식 A-1에 있어서,n은 1 이상의 정수이고,Ar5는 치환 또는 비치환된 1가 이상의 벤조플루오렌기; 치환 또는 비치환된 1가 이상의 플루오란텐기; 치환 또는 비치환된 1가 이상의 파이렌기; 또는 치환 또는 비치환된 1가 이상의 크라이센기이고,L5은 직접결합; 치환 또는 비치환된 아릴렌기; 또는 치환 또는 비치환된 헤테로아릴렌기이며,Ar6 및 Ar7는 서로 같거나 상이하고, 각각 독립적으로 치환 또는 비치환된 아릴기; 치환 또는 비치환된 실릴기; 치환 또는 비치환된 알킬기; 치환 또는 비치환된 아릴알킬기; 또는 치환 또는 비치환된 헤테로고리기이거나, 서로 결합하여 치환 또는 비치환된 고리를 형성할 수 있으며,n이 2 이상인 경우, 2 이상의 괄호 안의 구조는 서로 같거나 상이하다.
- 청구항 14에 있어서, 상기 L5 은 직접결합이고,Ar5는 2가의 파이렌기이며,Ar6 및 Ar7는 서로 같거나 상이하고 각각 독립적으로 알킬기로 치환된 실릴기로 치환 또는 비치환된 아릴기이고, n은 2 인 것인 유기 발광 소자.
- 청구항 16에 있어서,상기 Ar11 및 Ar12는 1-나프틸기이고, G1 내지 G8은 수소인 것인 유기 발광 소자.
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