CN116606300A - Amino compound, organic electroluminescent element and organic electroluminescent device - Google Patents
Amino compound, organic electroluminescent element and organic electroluminescent device Download PDFInfo
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- CN116606300A CN116606300A CN202310483119.8A CN202310483119A CN116606300A CN 116606300 A CN116606300 A CN 116606300A CN 202310483119 A CN202310483119 A CN 202310483119A CN 116606300 A CN116606300 A CN 116606300A
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- -1 Amino compound Chemical class 0.000 title claims abstract description 102
- 239000010410 layer Substances 0.000 claims description 176
- 239000000463 material Substances 0.000 claims description 51
- 125000003118 aryl group Chemical group 0.000 claims description 39
- 238000002347 injection Methods 0.000 claims description 31
- 239000007924 injection Substances 0.000 claims description 31
- 125000000217 alkyl group Chemical group 0.000 claims description 26
- 230000005525 hole transport Effects 0.000 claims description 26
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 125000001072 heteroaryl group Chemical group 0.000 claims description 17
- 239000012044 organic layer Substances 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 14
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical class C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 14
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 14
- 229910052717 sulfur Inorganic materials 0.000 claims description 14
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 12
- 229910052805 deuterium Inorganic materials 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 150000002431 hydrogen Chemical class 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 10
- 125000005264 aryl amine group Chemical group 0.000 claims description 9
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 9
- 125000001624 naphthyl group Chemical group 0.000 claims description 9
- 125000005842 heteroatom Chemical group 0.000 claims description 8
- 235000010290 biphenyl Nutrition 0.000 claims description 7
- 239000004305 biphenyl Substances 0.000 claims description 7
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 6
- 125000005103 alkyl silyl group Chemical group 0.000 claims description 6
- 125000005843 halogen group Chemical group 0.000 claims description 6
- 125000005549 heteroarylene group Chemical group 0.000 claims description 6
- 150000002825 nitriles Chemical class 0.000 claims description 6
- 125000004414 alkyl thio group Chemical group 0.000 claims description 5
- 125000000732 arylene group Chemical group 0.000 claims description 5
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 5
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 claims description 5
- 125000001041 indolyl group Chemical group 0.000 claims description 5
- 125000005561 phenanthryl group Chemical group 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 125000001725 pyrenyl group Chemical group 0.000 claims description 5
- 125000005580 triphenylene group Chemical group 0.000 claims description 5
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- SLGBZMMZGDRARJ-UHFFFAOYSA-N Triphenylene Natural products C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C2=C1 SLGBZMMZGDRARJ-UHFFFAOYSA-N 0.000 claims description 4
- 125000003342 alkenyl group Chemical group 0.000 claims description 4
- 125000003282 alkyl amino group Chemical group 0.000 claims description 4
- 125000005110 aryl thio group Chemical group 0.000 claims description 4
- 125000004104 aryloxy group Chemical group 0.000 claims description 4
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 claims description 4
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 4
- 125000006751 (C6-C60) aryloxy group Chemical group 0.000 claims description 3
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 claims description 3
- 125000005509 dibenzothiophenyl group Chemical group 0.000 claims description 3
- 125000004404 heteroalkyl group Chemical group 0.000 claims description 3
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 3
- 125000006746 (C1-C60) alkoxy group Chemical group 0.000 claims description 2
- 125000006745 (C2-C60) alkynyl group Chemical group 0.000 claims description 2
- MWPCBCGAQVXDCZ-UHFFFAOYSA-N 1-amino-1-nitramidoguanidine Chemical compound [N+](=O)([O-])NN(C(N)=N)N MWPCBCGAQVXDCZ-UHFFFAOYSA-N 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 150000007942 carboxylates Chemical class 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- 150000007857 hydrazones Chemical class 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 229910052711 selenium Inorganic materials 0.000 claims description 2
- SNOOUWRIMMFWNE-UHFFFAOYSA-M sodium;6-[(3,4,5-trimethoxybenzoyl)amino]hexanoate Chemical compound [Na+].COC1=CC(C(=O)NCCCCCC([O-])=O)=CC(OC)=C1OC SNOOUWRIMMFWNE-UHFFFAOYSA-M 0.000 claims description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 2
- 125000000101 thioether group Chemical group 0.000 claims description 2
- 150000002979 perylenes Chemical group 0.000 claims 2
- 150000001336 alkenes Chemical group 0.000 claims 1
- 125000005104 aryl silyl group Chemical group 0.000 claims 1
- 125000004122 cyclic group Chemical group 0.000 claims 1
- IYYZUPMFVPLQIF-ALWQSETLSA-N dibenzothiophene Chemical group C1=CC=CC=2[34S]C3=C(C=21)C=CC=C3 IYYZUPMFVPLQIF-ALWQSETLSA-N 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 58
- 125000004432 carbon atom Chemical group C* 0.000 description 24
- 230000032258 transport Effects 0.000 description 17
- 238000002360 preparation method Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 239000010408 film Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 238000000151 deposition Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 125000000524 functional group Chemical group 0.000 description 6
- 229910052736 halogen Inorganic materials 0.000 description 6
- 150000002367 halogens Chemical class 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000741 silica gel Substances 0.000 description 6
- 229910002027 silica gel Inorganic materials 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000012074 organic phase Substances 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 4
- 239000011368 organic material Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 101100446506 Mus musculus Fgf3 gene Proteins 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 125000001769 aryl amino group Chemical group 0.000 description 3
- 125000005605 benzo group Chemical group 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 125000000392 cycloalkenyl group Chemical group 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 150000002739 metals Chemical class 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
- 125000001644 phenoxazinyl group Chemical group C1(=CC=CC=2OC3=CC=CC=C3NC12)* 0.000 description 3
- 229930195734 saturated hydrocarbon Natural products 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000004528 spin coating Methods 0.000 description 3
- 238000005092 sublimation method Methods 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 3
- BFIMMTCNYPIMRN-UHFFFAOYSA-N 1,2,3,5-tetramethylbenzene Chemical compound CC1=CC(C)=C(C)C(C)=C1 BFIMMTCNYPIMRN-UHFFFAOYSA-N 0.000 description 2
- CHLICZRVGGXEOD-UHFFFAOYSA-N 1-Methoxy-4-methylbenzene Chemical compound COC1=CC=C(C)C=C1 CHLICZRVGGXEOD-UHFFFAOYSA-N 0.000 description 2
- WUYYVOWEBMOELQ-UHFFFAOYSA-N 1-bromodibenzofuran Chemical compound O1C2=CC=CC=C2C2=C1C=CC=C2Br WUYYVOWEBMOELQ-UHFFFAOYSA-N 0.000 description 2
- UFOVULIWACVAAC-UHFFFAOYSA-N 1-ethynyl-2-methoxybenzene Chemical group COC1=CC=CC=C1C#C UFOVULIWACVAAC-UHFFFAOYSA-N 0.000 description 2
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 description 2
- SPDPTFAJSFKAMT-UHFFFAOYSA-N 1-n-[4-[4-(n-[4-(3-methyl-n-(3-methylphenyl)anilino)phenyl]anilino)phenyl]phenyl]-4-n,4-n-bis(3-methylphenyl)-1-n-phenylbenzene-1,4-diamine Chemical compound CC1=CC=CC(N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N(C=2C=C(C)C=CC=2)C=2C=C(C)C=CC=2)C=2C=C(C)C=CC=2)=C1 SPDPTFAJSFKAMT-UHFFFAOYSA-N 0.000 description 2
- IXHWGNYCZPISET-UHFFFAOYSA-N 2-[4-(dicyanomethylidene)-2,3,5,6-tetrafluorocyclohexa-2,5-dien-1-ylidene]propanedinitrile Chemical compound FC1=C(F)C(=C(C#N)C#N)C(F)=C(F)C1=C(C#N)C#N IXHWGNYCZPISET-UHFFFAOYSA-N 0.000 description 2
- DXYYSGDWQCSKKO-UHFFFAOYSA-N 2-methylbenzothiazole Chemical compound C1=CC=C2SC(C)=NC2=C1 DXYYSGDWQCSKKO-UHFFFAOYSA-N 0.000 description 2
- QENGPZGAWFQWCZ-UHFFFAOYSA-N 3-Methylthiophene Chemical compound CC=1C=CSC=1 QENGPZGAWFQWCZ-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-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
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- LTEQMZWBSYACLV-UHFFFAOYSA-N Hexylbenzene Chemical compound CCCCCCC1=CC=CC=C1 LTEQMZWBSYACLV-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- PWATWSYOIIXYMA-UHFFFAOYSA-N Pentylbenzene Chemical compound CCCCCC1=CC=CC=C1 PWATWSYOIIXYMA-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 2
- 125000004448 alkyl carbonyl group Chemical group 0.000 description 2
- 125000000304 alkynyl group Chemical group 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- 125000005129 aryl carbonyl group Chemical group 0.000 description 2
- CUFNKYGDVFVPHO-UHFFFAOYSA-N azulene Chemical compound C1=CC=CC2=CC=CC2=C1 CUFNKYGDVFVPHO-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- XSIFPSYPOVKYCO-UHFFFAOYSA-N butyl benzoate Chemical compound CCCCOC(=O)C1=CC=CC=C1 XSIFPSYPOVKYCO-UHFFFAOYSA-N 0.000 description 2
- 150000001716 carbazoles Chemical group 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 125000001162 cycloheptenyl group Chemical group C1(=CCCCCC1)* 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- 125000004431 deuterium atom Chemical group 0.000 description 2
- MHDVGSVTJDSBDK-UHFFFAOYSA-N dibenzyl ether Chemical compound C=1C=CC=CC=1COCC1=CC=CC=C1 MHDVGSVTJDSBDK-UHFFFAOYSA-N 0.000 description 2
- 125000001028 difluoromethyl group Chemical group [H]C(F)(F)* 0.000 description 2
- SQNZJJAZBFDUTD-UHFFFAOYSA-N durene Chemical compound CC1=CC(C)=C(C)C=C1C SQNZJJAZBFDUTD-UHFFFAOYSA-N 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 125000001188 haloalkyl group Chemical group 0.000 description 2
- 125000000592 heterocycloalkyl group Chemical group 0.000 description 2
- PQNFLJBBNBOBRQ-UHFFFAOYSA-N indane Chemical compound C1=CC=C2CCCC2=C1 PQNFLJBBNBOBRQ-UHFFFAOYSA-N 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229940095102 methyl benzoate Drugs 0.000 description 2
- 125000002560 nitrile group Chemical group 0.000 description 2
- HFPZCAJZSCWRBC-UHFFFAOYSA-N p-cymene Chemical compound CC(C)C1=CC=C(C)C=C1 HFPZCAJZSCWRBC-UHFFFAOYSA-N 0.000 description 2
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 2
- 125000001484 phenothiazinyl group Chemical group C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000004076 pyridyl group Chemical group 0.000 description 2
- 125000000714 pyrimidinyl group Chemical group 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 2
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000000859 sublimation Methods 0.000 description 2
- 230000008022 sublimation Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- ZUHZGEOKBKGPSW-UHFFFAOYSA-N tetraglyme Chemical compound COCCOCCOCCOCCOC ZUHZGEOKBKGPSW-UHFFFAOYSA-N 0.000 description 2
- 238000009210 therapy by ultrasound Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 125000004205 trifluoroethyl group Chemical group [H]C([H])(*)C(F)(F)F 0.000 description 2
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- ABDKAPXRBAPSQN-UHFFFAOYSA-N veratrole Chemical compound COC1=CC=CC=C1OC ABDKAPXRBAPSQN-UHFFFAOYSA-N 0.000 description 2
- CXNIUSPIQKWYAI-UHFFFAOYSA-N xantphos Chemical compound C=12OC3=C(P(C=4C=CC=CC=4)C=4C=CC=CC=4)C=CC=C3C(C)(C)C2=CC=CC=1P(C=1C=CC=CC=1)C1=CC=CC=C1 CXNIUSPIQKWYAI-UHFFFAOYSA-N 0.000 description 2
- 125000006752 (C6-C60) arylthio group Chemical group 0.000 description 1
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- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 1
- 125000005582 pentacene group Chemical group 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000005981 pentynyl group Chemical group 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000004934 phenanthridinyl group Chemical group C1(=CC=CC2=NC=C3C=CC=CC3=C12)* 0.000 description 1
- 125000005562 phenanthrylene group Chemical group 0.000 description 1
- 125000001791 phenazinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3N=C12)* 0.000 description 1
- DLRJIFUOBPOJNS-UHFFFAOYSA-N phenetole Chemical compound CCOC1=CC=CC=C1 DLRJIFUOBPOJNS-UHFFFAOYSA-N 0.000 description 1
- 229960005323 phenoxyethanol Drugs 0.000 description 1
- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical class OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 125000002743 phosphorus functional group Chemical group 0.000 description 1
- LFGREXWGYUGZLY-UHFFFAOYSA-N phosphoryl Chemical group [P]=O LFGREXWGYUGZLY-UHFFFAOYSA-N 0.000 description 1
- 238000001126 phototherapy Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920000767 polyaniline 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
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 239000010453 quartz Substances 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
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 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
- 230000011664 signaling Effects 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([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
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical class [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- SUBJHSREKVAVAR-UHFFFAOYSA-N sodium;methanol;methanolate Chemical compound [Na+].OC.[O-]C SUBJHSREKVAVAR-UHFFFAOYSA-N 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 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
- 125000003944 tolyl group Chemical group 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-N triflic acid Chemical compound OS(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-N 0.000 description 1
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 1
- 125000000025 triisopropylsilyl group Chemical group C(C)(C)[Si](C(C)C)(C(C)C)* 0.000 description 1
- CWMFRHBXRUITQE-UHFFFAOYSA-N trimethylsilylacetylene Chemical group C[Si](C)(C)C#C CWMFRHBXRUITQE-UHFFFAOYSA-N 0.000 description 1
- BZLZKLMROPIZSR-UHFFFAOYSA-N triphenylsilicon Chemical group C1=CC=CC=C1[Si](C=1C=CC=CC=1)C1=CC=CC=C1 BZLZKLMROPIZSR-UHFFFAOYSA-N 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[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
- 238000005019 vapor deposition process Methods 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 230000003313 weakening effect Effects 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
- 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
- 239000011787 zinc oxide Substances 0.000 description 1
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Abstract
The invention relates to an amino compound, an organic electroluminescent element, an organic electroluminescent device, and an organic electroluminescent element and an organic electroluminescent device containing the amino compound of formula (I), which can improve the performance such as driving voltage and/or current efficiency;
Description
Technical Field
The invention belongs to the technical field of organic electroluminescence, and particularly relates to an amino compound and application thereof in an organic electroluminescent element and an organic electroluminescent device.
Background
Most of the materials used in the organic electroluminescent element are pure organic materials or organometallic complexes of organic materials and metals, and they are classified into hole injection materials, hole transport materials, light emitting materials, electron transport materials, electron injection materials, and the like, depending on the application. Here, an organic substance having a relatively small ionization energy is mainly used as the hole injection substance or the hole transport substance, and an organic substance having a relatively large electronegativity is mainly used as the electron injection substance or the electron transport substance. Further, the substance used as the light-emitting auxiliary layer preferably satisfies the following characteristics.
First, the materials used in the organic electroluminescent element need to have good thermal stability because joule heat is generated by charge transfer inside the organic electroluminescent element, and at present, the glass transition temperature of the materials generally used as hole transport layers is low, so that a phenomenon occurs in which light emission efficiency is lowered due to crystallization occurring at the time of driving at low temperature. Second, in order to reduce the driving voltage, it is necessary that the organic material adjacent to the cathode and anode is designed to have a small charge injection barrier and a high charge mobility. Third, there is always an energy barrier at the interface of the electrode and the organic layer, and at the interface of the organic layer and the organic layer, and some charges are inevitably accumulated, so that it is necessary to use a substance excellent in electrochemical stability.
The organic electroluminescent device generally includes an anode, a hole injection layer, a hole transport layer, an electroluminescent layer as an energy conversion layer, an electron transport layer, and a cathode, which are sequentially stacked. When voltage is applied to the cathode and the anode, the two electrodes generate an electric field, electrons at the cathode side move to the electroluminescent layer under the action of the electric field, holes at the anode side also move to the luminescent layer, the electrons and the holes are combined in the electroluminescent layer to form excitons, and the excitons are in an excited state to release energy outwards, so that the electroluminescent layer emits light.
In the prior art, KR1020190035567A, CN107459466A, CN106008424A, CN104583176A, CN103108859A, CN110467536a et al disclose materials that can be used to prepare hole transport layers in organic electroluminescent devices. However, there remains a need to continue to develop new materials to further improve the performance of electronic components.
Disclosure of Invention
The present disclosure is directed to an amino compound, an organic electroluminescent material, a light-emitting element, and a light-emitting device for improving the performance of the organic electroluminescent element.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an amino compound has a structural general formula shown in a formula (I):
wherein T is 1 、T 2 Each independently selected from O, S, CR 12 R 13 ;
R 1 ~R 13 Are identical to or different from each other and are each independently selected from hydrogen, deuterium, cyano, halogen atoms, substituted or unsubstituted C 1 ~C 30 Alkyl, substituted or unsubstituted C 6 ~C 50 Aryl, substituted or unsubstituted C 3 ~C 30 Cycloalkyl, substituted or unsubstituted C 2 ~C 50 Heteroaryl, substituted or unsubstituted C 1 ~C 30 Alkoxy, substituted or unsubstituted C 6 ~C 50 Aryloxy, substituted or unsubstituted C 1 ~C 30 Alkylthio, substituted or unsubstituted C 6 ~C 50 Arylthio, substituted or unsubstituted C 1 ~C 30 Alkylamino, substituted or unsubstituted C 6 ~C 50 Arylamine group, substituted or unsubstituted C 1 ~C 30 Alkylsilyl, substituted or unsubstituted C 6 ~C 50 Aryl silicon group, optionally adjacent two or more R 1 ~R 13 Optionally bonded or fused to form a substituted or unsubstituted ring with or without heteroatoms N, O, S, P, B, si or Se in the ring formed;
L 1 、L 2 each independently selected from the group consisting of single bond, substituted or unsubstituted C 6 ~C 50 Arylene, substituted or unsubstituted C 2 ~C 50 A group consisting of heteroarylenes;
Ar 1 、Ar 2 each independently selected from the group consisting of substituted or unsubstituted C 6 ~C 50 Aryl, substituted or unsubstituted C 6 ~C 50 Arylamine group, substituted or unsubstituted C 6 ~C 50 Condensed aryl, substituted or unsubstituted C 2 ~C 50 Heteroaryl groups.
The alkyl group used in the present invention means a monovalent functional group obtained by removing one hydrogen atom from a linear or branched saturated hydrocarbon having 1 to 30 carbon atoms. As non-limiting examples thereof, there are methyl, ethyl, propyl, isobutyl, sec-butyl, pentyl, isopentyl, hexyl, and the like;
aryl groups in the sense of the present invention contain 6 to 50 carbon atoms, heteroaryl groups contain 2 to 50 carbon atoms and at least one heteroatom, provided that the sum of carbon atoms and heteroatoms is at least 5; the heteroatom is preferably selected from N, O or S. In this case, two or more rings of the heteroaryl group may be attached to each other simply or in a condensed form, or may further include a condensed form with the aryl group. As non-limiting examples of aryl and heteroaryl groups, in particular groups selected from the following: phenyl, naphthyl, anthryl, benzanthraceyl, phenanthryl, pyrenyl, A group, perylene group, fluoranthenyl group, naphthacene group, pentacene group, benzopyrene group, biphenyl group, terphenyl group, tripolyphenyl group, tetrabiphenyl group, fluorenyl group, spirobifluorenyl group, dihydrophenanthrene group, triphenylene group, dihydropyrenyl group, tetrahydropyrenyl group, cis-or trans-indenofluorenyl group, cis-or trans-indenocarbazolyl group, indolocarbazolyl group, benzofuranocarbazolyl group, benzothiophenocarbazolyl group, benzocarbazolyl group, dibenzocarbazolyl group, azadibenzo [ g, id]Naphtho [2,1,8-cde]Azulene, triindenyl, heterotrimeric indenyl, spirotrimeric indenyl, spiroheterotrimeric indenyl, furyl, benzofuryl, isobenzofuryl, dibenzofuryl, thienyl, benzothienyl, isobenzothienyl, dibenzothienyl, pyrrolyl, indolyl, isoindolyl, carbazolyl, pyridyl, quinolinyl, isoquinolinyl, acridinyl, phenanthridinyl, benzo [5,6 ]]Quinolinyl, benzo [6,7]Quinolinyl, benzo [7,8]Quinolinyl, phenothiazinyl, phenoxazinyl, pyrazolyl, indazolyl, imidazolyl, benzimidazolyl, naphthazolyimidazolyl, phenanthroimidazolyl, pyridoimidazolyl, pyrazinoimidazolyl, quinoxalinoimidazolyl, oxazolyl, benzoxazolyl, naphthazolyl, anthracrooxazolyl, phenanthrooxazolyl, isoxazolyl, 1, 2-thiazolyl, 1, 3-thiazolyl, benzothiazolyl, pyridazinyl, hexaazabenzophenanthryl, benzopyridazinyl, pyrimidinyl, benzopyrimidinyl, quinoxalinyl, 1, 5-diazaanthracenyl, 2, 7-diazapyrenyl, 2, 3-diazapyrenyl Heteropyrenyl, 1, 6-diazapyrenyl, 1, 8-diazapyrenyl, 4,5,9, 10-tetraazaperylene, pyrazinyl, phenazinyl, phenoxazinyl, phenothiazinyl, fluorozinyl, naphthyridinyl, azacarbazolyl, benzocarboline, carboline, phenanthroline, 1,2, 3-triazolyl, 1,2, 4-triazolyl, benzotriazole, 1,2, 3-oxadiazolyl, 1,2, 4-oxadiazolyl, 1,2, 5-oxadiazolyl, 1,3, 4-oxadiazolyl, 1,2, 3-thiadiazolyl, 1,2, 4-thiadiazolyl, 1,2, 5-thiadiazolyl, 1,3, 4-thiadiazolyl, 1,3, 5-triazinyl, 1,2, 4-triazinyl, 1,2, 3-triazinyl, tetrazolyl, 1,2,4, 5-tetrazinyl, 1,2,3, 4-tetrazinyl, 1,2,3, 5-tetrazinyl, purinyl, indolizinyl, diazolyl, or combinations thereof.
"halogen" or "halogen atom" as used herein means a member selected from fluorine, chlorine, bromine or iodine.
Further, the T is 1 Selected from O or S.
Further, the T is 2 Selected from O, s or CR 12 R 13 。
Further, the R 1 ~R 13 Each independently selected from the group consisting of hydrogen, deuterium, nitrile, methyl, ethyl, isopropyl, isobutyl, tert-butyl, substituted or unsubstituted phenyl, substituted or unsubstituted biphenyl, substituted or unsubstituted terphenyl, substituted or unsubstituted tetrabiphenyl, substituted or unsubstituted naphthyl, substituted or unsubstituted phenanthryl, substituted or unsubstituted triphenylene, substituted or unsubstituted anthracyl, substituted or unsubstituted benzanthracenyl, substituted or unsubstituted pyrenyl, substituted or unsubstituted A group, a substituted or unsubstituted perylene group, a substituted or unsubstituted fluoranthene group, a substituted or unsubstituted carbazole group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted indolyl group, a substituted or unsubstituted benzofuranyl group, a substituted or unsubstituted benzothienyl group, a,Substituted or unsubstituted dibenzofuranyl, substituted or unsubstituted dibenzothiophenyl.
According to an embodiment of the invention, the R 1 ~R 11 Each independently selected from the group consisting of hydrogen, deuterium, t-butyl, substituted or unsubstituted phenyl.
According to an embodiment of the invention, the R 12 、R 13 Each occurrence is independently selected from the group consisting of hydrogen, deuterium, methyl, substituted or unsubstituted phenyl, substituted or unsubstituted fluorenyl.
Further, the Ar 1 、Ar 2 Each independently selected from the group consisting of substituted or unsubstituted phenyl, substituted or unsubstituted biphenyl, substituted or unsubstituted terphenyl, substituted or unsubstituted tetrabiphenyl, substituted or unsubstituted naphthyl, substituted or unsubstituted phenanthryl, substituted or unsubstituted triphenylene, substituted or unsubstituted anthracenyl, substituted or unsubstituted benzanthracenyl, substituted or unsubstituted pyrenyl A group consisting of a group, a substituted or unsubstituted perylene group, a substituted or unsubstituted fluoranthene group, a substituted or unsubstituted carbazole group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted indolyl group, a substituted or unsubstituted benzofuranyl group, a substituted or unsubstituted benzothienyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophenyl group.
Heteroalkyl in the sense of the present invention means a hydrogen atom or-CH on an alkyl radical 2 Substituted with at least one heteroatom selected from halogen, nitrile, N, O, S or silicon, as non-limiting examples, difluoromethyl, trifluoromethyl, trifluoroethyl, pentafluoroethyl, nitrile, acetonitrile, methoxymethyl, methoxyethyl, trimethylsilyl, triisopropylsilyl and the like. Haloalkyl refers to the partial or complete replacement of a hydrogen atom on an alkyl group with a halogen, and as non-limiting examples there are fluorotoluene, difluoromethyl, trifluoromethyl, chloromethyl, dichloromethyl,Trichloromethyl, trifluoroethyl, pentafluoroethyl, and the like.
Alkenyl or alkynyl groups useful in the present invention contain at least two carbon atoms, and are preferably considered to mean, by way of non-limiting example, the following groups: cyclohexenyl, heptenyl, cycloheptenyl, octenyl, cyclooctenyl, ethynyl, propynyl, butynyl, pentynyl, hexynyl, heptynyl, or octynyl.
Alkoxy, alkylthio, preferably alkoxy or alkylthio having 1 to 30 carbon atoms, as used in the present invention is understood to mean methoxy, trifluoromethoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, sec-butoxy, tert-butoxy, n-pentoxy, sec-pentoxy, 2-methylbutoxy, n-hexoxy, cyclohexyloxy, n-heptoxy, cycloheptyloxy, n-octoxy, cyclooctoxy, 2-ethylhexyloxy, pentafluoroethoxy and 2, 2-trifluoroethoxy, methylthio, ethylthio, n-propylthio, isopropylthio, n-butylthio isobutylthio, sec-butylthio, tert-butylthio, trifluoromethylthio, trifluoromethoxy, pentafluoroethoxy, pentafluoroethylthio, 2-trifluoroethylthio, ethyleneoxy, ethylenethio, propyleneoxy, propylenethio, butyleneoxy, pentyleneoxy, cyclopentenyloxy, cyclopentenylthio, hexenyloxy, hexenylthio, cyclohexene oxy, cyclohexene thio, ethynyloxy, ethynylthio, propynyloxy, propynylthio, butynyloxy, butynylthio, pentynyloxy, pentynylthio, hexynyloxy, hexynylthio.
In general, cycloalkyl, cycloalkenyl groups according to the invention may be cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclobutenyl, cyclopentenyl, cyclohexenyl, cycloheptyl, cycloheptenyl, wherein one or more-CH 2 The radical may be replaced by N, O or s to form heterocycloalkyl, heterocycloalkenyl, e.g. one of the cyclopentyl groups-CH 2 -the radical is replaced by O to form one of the groups-CH in the tetrahydrofuranyl, cyclohexyl 2 -the group is replaced by O to form tetrahydropyranyl, etc.; in addition, one or more hydrogen atoms may be replaced by deuterium atoms, halogen atoms, or nitrile groups.
Aryloxy as used herein refers to R' O - The monovalent functional group represented by R' is an aryl group having 6 to 50 carbon atoms. As non-limiting examples of such aryloxy groups, there are phenoxy, naphthoxy, biphenyloxy, and the like.
As used herein, arylthio means a monovalent functional group represented by R 'S-wherein R' is an aryl group having 6 to 50 carbon atoms. As non-limiting examples of such arylthio groups, phenylthio, naphthylthio, biphenylthio and the like are mentioned.
The alkylsilyl group used in the present invention means a silyl group substituted with an alkyl group having 1 to 30 carbon atoms, and the number of carbon atoms constituting the alkylsilyl group is at least 3, and as non-limiting examples of the alkylsilyl group, there are trimethylsilyl group, triethylsilyl group and the like. Aryl silicon group means a silane group substituted with at least one aryl group having 6 to 50 carbon atoms, and examples of the aryl group include phenyl dimethylsilyl group, naphthyl dimethylsilyl group, phenyl diethylsilicon group, diphenylmethylsilicon group, diphenylethylsilicon group, and triphenylsilicon group.
The alkylamino group used in the present invention means an amino group substituted with an alkyl group having 1 to 30 carbon atoms or a secondary amino group substituted with two alkyl groups having 1 to 30 carbon atoms, and as non-limiting examples of the alkylamino group, there are methylamino group, dimethylamino group, ethylamino group, diethylamino group and the like.
As the arylamino group used in the present invention, an arylamino group refers to an amino group substituted with an aryl group having 6 to 50 carbon atoms or a secondary amino group substituted with two aryl groups having 6 to 60 carbon atoms, and as non-limiting examples of the arylamino group, an anilino group, a diphenylamino group, a 1-naphthylamino group, a 2-naphthylamino group, an N-phenylnaphthalen-1-amino group, a carbazolyl group, a phenoxazinyl group and the like are given.
"alkylcarbonyl", "alkoxycarbonyl", "arylcarbonyl", "arylborocarbonyl", "alkylborocarbonyl" in the sense of the present invention means a substituted carbonyl (-COR) wherein R is preferably selected from the group consisting of alkyl, alkoxy, cycloalkyl, aryl, heteroaryl, arylboronyl, alkylboronyl.
The arylphosphorus group used in the present invention means a diarylphosphorus group substituted with an aryl group having 6 to 50 carbon atoms, and as non-limiting examples of the arylphosphorus group, there are diphenylphosphorus group, bis (4-trimethylsilylbenzene) phosphorus group and the like. The phosphorus atom of the aryl phosphorus oxide group is the diaryl phosphorus group is oxidized to the highest valence state.
The arylboron group used in the present invention means a diarylboroyl group substituted with an aryl group having 6 to 50 carbon atoms, and as non-limiting examples of the arylboron group, there are diphenyl boron group, bis (2, 4, 6-trimethylbenzene) boron group and the like. The alkylboryl group means a dialkylboryl group substituted with an alkyl group having 1 to 30 carbon atoms, and as non-limiting examples of the alkylboryl group, there are di-t-butylboryl group, diisobutylboryl group and the like.
The arylalkyl group according to the present invention means an alkyl group in which at least one hydrogen atom of a straight or branched saturated hydrocarbon having from 1 to 30 carbon atoms is substituted with an aryl group having from 6 to 50 carbon atoms, and as a non-limiting example, phenylmethyl group, diphenylmethyl group, triphenylmethyl group, 2-phenylethyl group, 3-phenylpropyl group and the like can be mentioned.
Alkylaryl according to the present invention refers to an aryl group in which at least one hydrogen atom of the aryl group having from 6 to 50 carbon atoms is substituted with a straight or branched saturated hydrocarbon having from 1 to 30 carbon atoms, and as a non-limiting example, methylphenyl, dimethylphenyl, trimethylphenyl, tert-butylphenyl, isopropylphenyl and the like can be mentioned.
The substituents of the substituted alkyl, substituted aryl, substituted heteroaryl, substituted arylamine, substituted condensed aryl, substituted arylene, substituted heteroarylene described herein are each independently selected from at least one of the group consisting of: deuterium, halogen, cyano, carboxyl, nitro, hydroxyl, C 1 -C 40 Alkyl, C 1 -C 40 Haloalkyl, C 2 -C 40 Alkenyl, C 2 -C 40 Alkynyl, C 1 -C 40 Alkoxy, C 1 -C 40 Alkylthio, C 3 -C 40 Cycloalkyl, C 3 -C 40 Cycloalkenyl, 3-to 7-membered heterocycloalkyl, C 6 -C 60 Aryloxy, C 6 -C 60 Arylthio, unsubstituted or substituted by one or more C 6 -C 60 Aryl-substituted 3-to 30-membered heteroaryl, unsubstituted or deuterated, one or more C 1 -C 40 C substituted with at least one of an alkyl group and one or more 3-to 30-membered heteroaryl groups 6 -C 60 Aryl, tris (C) 1 -C 40 ) Alkylsilyl, tri (C) 6 -C 60 ) Aryl silicon based, di (C) 1 -C 4 0) Alkyl (C) 6 -C 60 ) Aryl silicon base, C 1 -C 40 Alkyldi (C) 6 -C 60 ) Aryl silicon base, C 1 -C 40 Alkylcarbonyl, C 1 -C 40 Alkoxycarbonyl group, C 6 -C 60 Arylcarbonyl, di (C) 6 -C 60 ) Arylborocarbonyl groups of di (C) 1 -C 40 ) Alkyl boron carbonyl, C 1 -C 40 Alkyl (C) 6 -C 6 0) Arylborocarbonyl, C 6 -C 60 Aryl (C) 1 -C 4 0) Alkyl, C 1 -C 40 Of alkyl (C) 6 -C 60 ) Aryl groups.
Arylene in the present invention means a divalent functional group obtained by removing two hydrogen atoms from an aromatic hydrocarbon having 6 to 50 carbon atoms. As non-limiting examples thereof, there are phenylene, naphthylene, phenanthrylene, anthrylene, fluorenylene, spirobifluorenylene and the like.
The heteroarylene or heteroarylene in the present invention means a divalent functional group obtained by removing two hydrogen atoms from a heteroarene having 2 to 50 carbon atoms. As non-limiting examples thereof, there are a pyridyl group, a quinolyl group, an isoquinolyl group, a carbolinyl group, a pyrimidyl group, a triazinyl group and the like.
Arylene and heteroarylene as divalent functional groups with N and Ar according to the foregoing 1 Or N and Ar 2 Connection, preferably, the L 1 、L 2 Each independently selected from a single bond or from the group consisting of groups III-1 to III-24:
wherein,,T 3 selected from O, S, se, CR ' R ', siR ' R ', or NAr ';
Z n 、Z m 、Z 13 、Z 14 each independently selected from the group consisting of hydrogen, deuterium, halogen atoms, hydroxyl, nitrile, nitro, amino, amidino, hydrazine, hydrazone, carboxyl or carboxylate thereof, sulfonic acid or sulfonate thereof, phosphoric acid or phosphate thereof, C 1 -C 60 Alkyl, C of (2) 2 -C 60 Alkenyl, C 2 -C 60 Alkynyl, C 1 -C 60 Alkoxy, C 3 -C 60 Is C 3 -C 60 Cycloalkenyl, substituted or unsubstituted C 6 -C 60 Aryl, substituted or unsubstituted C 6 -C 60 Aryloxy, substituted or unsubstituted C 6 -C 60 Aryl sulfide group, or substituted or unsubstituted C 2 -C 60 Heteroaryl groups;
y1 represents an integer of 1 to 4; y2 represents an integer of 1 to 6; y3 represents an integer of 1 to 3; y4 represents an integer of 1 to 5; y5 represents 1 or 2;
r ', R' are each independently selected from C 1 -C 60 Alkyl, C of (2) 1 -C 60 Is optionally substituted C 6 -C 60 Aryl, substituted or unsubstituted C 6 -C 60 Arylamine groups, or substituted or unsubstituted C 2 -C 60 Heteroaryl groups, R' and R, may optionally be joined or fused to form one or more additional substituted or unsubstituted rings, with or without one or more heteroatoms N, P, B, O or S in the ring formed; preferably, R', R "is methyl, phenyl or fluorenyl;
Ar' is selected from C 1 -C 60 Alkyl, C of (2) 1 -C 60 Heteroalkyl of (C) 3 -C 60 Cycloalkyl, substituted or unsubstituted C 6 -C 60 Aryl, substituted or unsubstituted C 6 -C 60 Condensed ring aryl, substituted or unsubstituted C 6 -C 60 Arylamine groups, or substituted or unsubstituted C 2 -C 60 A group consisting of heteroaryl groups; preferablyAr' is methyl, ethyl, phenyl, biphenyl or naphthyl;
wherein the dotted line represents the attachment site of the group.
Preferably, the L 1 、L 2 Each independently selected from a single bond or a group consisting of groups III-1 to III-15, III-24 as follows:
preferably, said Z 11 、Z 12 、Z 13 、Z 14 Each independently selected from the group consisting of hydrogen, deuterium, fluorine, nitrile groups.
Preferably, the T 3 Selected from O or S.
Further, the amino compound is selected from one or more of the following C01-C114 structures:
/>
wherein each of x— is independently selected from the group consisting of-O-, -S-, or one of the structures shown below:
* And-represents a bond.
As used herein, "combination thereof" or "group" means that one or more members of the applicable list are combined to form a known or chemically stable arrangement that one of ordinary skill in the art can contemplate from the applicable list. For example, the alkyl and deuterium atoms can combine to form a partially or fully deuterated alkyl group; halogen and alkyl groups may combine to form haloalkyl substituents such as trifluoromethyl and the like; and halogen, alkyl and aryl may combine to form a haloaralkyl.
An organic electroluminescent material comprising the amino compound; the organic electroluminescent material comprising the amino compound according to the invention has a carrier transporting capacity.
The organic electroluminescent material may be constituted by using the amino compound of the present invention alone, or may contain other compounds at the same time.
Preferably, the organic electroluminescent material is a hole injection layer material, a hole transport layer material, a hole blocking layer material, a light emitting layer material, an electron transport layer material, an electron injection layer material, a capping layer (CPL for short) material, or an electron blocking layer material.
The invention also provides application of the amino compound in preparation of the organic electroluminescent element.
The present invention also provides an organic electroluminescent element comprising: a first electrode, a second electrode, a CPL, and more than one organic layer disposed between the first electrode and the second electrode; at least one of the organic layer and the CPL comprises the amino compound.
The organic electroluminescent element comprises a cathode, an anode, CPL and at least one light emitting layer. In addition to these layers, it may also comprise further layers, for example in each case one or more hole-injection layers, hole-transport layers, hole-blocking layers, electron-transport layers, electron-injection layers, exciton-blocking layers, electron-blocking layers and/or charge-generating layers. An intermediate layer having, for example, an exciton blocking function can likewise be introduced between the two light-emitting layers. It should be noted, however, that not every one of these layers need be present. The organic electroluminescent element described herein may include one light emitting layer, or it may include a plurality of light emitting layers. That is, a plurality of light-emitting compounds capable of emitting light are used in the light-emitting layer. Particularly preferred is a system with three light-emitting layers, wherein the three layers can display blue, green and red light emission. If more than one light-emitting layer is present, at least one of these layers comprises a compound of the invention according to the invention.
Further, the organic electroluminescent element according to the present invention does not comprise a separate hole injection layer and/or hole transport layer and/or hole blocking layer and/or electron transport layer, i.e. the light emitting layer is directly adjacent to the hole injection layer or anode and/or the light emitting layer is directly adjacent to the electron transport layer or electron injection layer or cathode.
In the other layers of the organic electroluminescent element according to the invention, in particular in the hole-transport layer and in the light-emitting layer and in the CPL, all materials can be used in the manner customary in accordance with the prior art. A person of ordinary skill in the art will thus be able to use all materials known in relation to organic electroluminescent elements in combination with the light-emitting layer according to the invention without inventive effort.
In general, an OLED includes at least one organic layer disposed between and electrically connected to an anode and a cathode. Fig. 1 shows a schematic diagram of an organic light emitting device 100. The illustrations are not necessarily drawn to scale. The device 100 may include a substrate 101, an anode 102, a hole injection layer 103, a hole transport layer 104, an electron blocking layer 105, a light emitting layer 106, an electron transport layer 107, an electron injection layer 108, a cathode 109, and a capping layer (CPL) 110. The device 100 may be fabricated by sequentially depositing the layers described.
Fig. 2 shows a schematic diagram of an organic light emitting device 200 containing two light emitting layers. The device includes a substrate 201, an anode 202, a hole injection layer 203, a hole transport layer 204, a first emissive layer 205, an electron transport layer 206, a charge generation layer 207, a hole injection layer 208, a hole transport layer 209, a second emissive layer 210, an electron transport layer 211, an electron injection layer 212, and a cathode 213. The device 200 may be prepared by sequentially depositing the layers described. Because the most common OLED devices have one single color light emitting layer or three light emitting layers of three primary colors, while device 200 has two light emitting layers of the same color. In the corresponding layers of device 200, materials similar to those described with respect to device 100 may be used. Fig. 2 provides one example of how some layers may be added from the structure of device 100.
The simple layered structure illustrated in fig. 1 and 2 is provided as a non-limiting example, and it should be understood that embodiments of the present invention may be used in conjunction with a wide variety of other structures. The particular materials and structures described are exemplary in nature, and other materials and structures may be used. Functional OLEDs may be implemented by combining the various layers described in different ways based on design, performance, and cost factors, or several layers may be omitted entirely. Other layers not specifically described may also be included. Materials other than those specifically described may be used. Although many of the examples provided herein describe the various layers as comprising a single material, it will be understood that combinations of materials may be used, such as mixtures of host and dopant, or more generally, mixtures. Also, the layers may have various sublayers. The names given to the various layers herein are not intended to be strictly limiting. For example, in device 200, hole transport layer 204 transports holes and injects holes into light emitting layer 205, and may be described as a hole transport layer or an electron blocking layer. In one embodiment, an OLED may be described as having an organic layer disposed between a cathode and an anode. This organic layer may comprise a single layer or may further comprise multiple layers of different organic materials as described in fig. 1 and 2.
Structures and materials not specifically described, such as PLEDs comprising polymeric materials, may also be used. As another example, an OLED with a single organic layer or multiple stacks may be used. The OLED structure may deviate from the simple layered structure illustrated in fig. 1 and 2. For example, the substrate may include an angled reflective surface to improve optical coupling.
On the other hand, regarding the organic electroluminescent element of the present invention, in addition to one or more of the above organic layers containing the above amino compound, the organic layers and the electrode production can be formed using materials and methods well known in the art.
Further, a substance that can be used as an anode included in the organic electroluminescent element according to the present invention is not particularly limited, and as a non-limiting example, metals such as vanadium, chromium, copper, zinc, gold, aluminum, or the like, or alloys thereof can be used; metal oxides such as zinc oxide, indium Tin Oxide (ITO), and Indium Zinc Oxide (IZO); znO: al or SnO 2 A combination of metal such as Sb and oxide; polythiophene, poly (3-methylthiophene), poly [3,4- (ethylene-1, 2-dioxy) thiophene]Conductive polymers such as (PEDT), polypyrrole, and polyaniline; and carbon black, etc.
The substance that can be used as the cathode included in the organic electroluminescent element according to the present invention is not particularly limited, and as a non-limiting example, metals such as magnesium, calcium, sodium, potassium, titanium, indium, yttrium, lithium, gadolinium, aluminum, silver, tin, or lead, or alloys thereof can be used; liF/Al or Li 2 And multilayer structures such as O/Al.
The substance that can be used as the substrate included in the organic electroluminescent element according to the present invention is not particularly limited, and as a non-limiting example, a silicon wafer, quartz, a glass plate, a metal plate, a plastic film, a sheet, or the like can be used.
Furthermore, preference is given to organic electroluminescent elements in which one or more layers can be applied by means of a sublimation process, wherein the sublimation process is carried out in a vacuum at a temperature of less than 10 -5 Pa, preferably below 10 -6 The material is applied by vapor deposition at an initial pressure of Pa. However, the initial pressure may also be even lower, for example below 10 -7 Pa。
Also preferred are organic electroluminescent elements in which one or more layers can also be applied by means of an organic vapor deposition process or by means of carrier gas sublimation, where at 10 -5 The material is applied at a pressure between Pa and 1 Pa. Specific examples of the method areA machine vapor jet printing process wherein the material is applied directly through a nozzle and is thus structured.
Furthermore, organic electroluminescent elements are preferred, from which one or more layers are produced, for example by spin coating, or by means of any desired printing method, for example screen printing, flexography, lithography, photoinitiated thermal imaging, thermal transfer, inkjet printing or nozzle printing. Soluble compounds the soluble compounds are obtained, for example, by suitable substitution of the compounds of formula (I). These methods are also particularly suitable for oligomers, dendrimers and polymers. Furthermore, a hybrid method is possible, in which one or more layers are applied, for example from a solution, and one or more further layers are applied by vapor deposition.
These methods are generally known to those of ordinary skill in the art and they can be applied to the organic electroluminescent element comprising the compound according to the present invention without inventive effort.
The invention therefore also relates to a method of manufacturing an organic electroluminescent element according to the invention, comprising applying at least one layer by means of a sublimation method, and/or applying at least one layer by means of an organic vapour deposition method or by means of carrier gas sublimation, and/or applying at least one layer from solution by spin coating or by means of a printing method.
Furthermore, the present invention relates to a pharmaceutical composition comprising at least one compound of the invention as indicated above. The same preferable cases as indicated above with respect to the organic electroluminescent element apply to the compound of the present invention. In particular, the compounds may furthermore preferably comprise further compounds. Treatment of the compounds of the invention from the liquid phase, for example by spin coating or by printing methods, requires treatment of preparations of the compounds of the invention, which preparations may be, for example, solutions, dispersions or emulsions. For this purpose, it may be preferable to use a mixture of two or more solvents. Suitable and preferred solvents are, for example, toluene, anisole, o-xylene, m-xylene or p-xylene, methyl benzoate, mesitylene, tetralin, o-dimethoxybenzene, tetrahydrofuran, methyltetrahydrofuran, tetrahydropyran, chlorobenzene, dioxane, phenoxytoluene, in particular 3-phenoxytoluene, (-) -fenchyl ketone, 1,2,3, 5-tetramethylbenzene, 1,2,4, 5-tetramethylbenzene, 1-methylnaphthalene, 2-methylbenzothiazole, 2-phenoxyethanol, 2-pyrrolidone, 3-methylanisole, 4-methylanisole, 3, 4-dimethylanisole, 3, 5-dimethylanisole, acetophenone, alpha-terpineol, benzothiazole, butyl benzoate, cumene, cyclohexanol, cyclohexanone, cyclohexylbenzene, decahydronaphthalene, dodecylbenzene, ethyl benzoate, indane, methyl benzoate, 1-methylpyrrolidone, p-cymene, phenetole, 1, 4-diisopropylbenzene, dibenzyl ether, diethylene glycol butyl methyl ether, triethylene glycol butyl methyl ether, diethylene glycol dibutyl ether, triethylene glycol dimethyl ether, diethylene glycol monobutyl ether, tripropylene glycol dimethyl ether, tetraethylene glycol dimethyl ether, 2-isopropylnaphthalene, pentylbenzene, hexylbenzene, heptylbenzene, octylbenzene, 1-bis (3, 4-dimethylphenyl) ethane, or mixtures of these solvents.
Preferably, the organic layer includes a hole injection layer, a hole transport layer, a hole blocking layer, a light emitting layer, an electron transport layer, an electron injection layer, a CPL layer, or an electron blocking layer.
Further, the hole transport layer, light emitting layer, or CPL layer comprises the amino compound of the present invention.
A consumer product made from the organic electroluminescent device, the consumer product comprising the organic electroluminescent device provided by the invention.
The consumer product described in the present invention may be one of the following products: flat panel displays, computer monitors, medical monitors, televisions, billboards, lights for interior or exterior illumination and/or signaling, heads-up displays, fully or partially transparent displays, flexible displays, laser printers, telephones, cellular telephones, tablet computers, tablet handsets, personal Digital Assistants (PDAs), wearable devices, laptop computers, digital cameras, video cameras, viewfinders, micro-displays with a diagonal of less than 2 inches, 3-D displays, virtual reality or augmented reality displays, vehicles, video walls comprising a plurality of displays tiled together, theatre or gym screens, phototherapy devices, and billboards.
In addition, unless otherwise specified, all raw materials used in the present invention are commercially available, and any ranges recited in the present invention include any numerical value between the end values and any sub-range constituted by any numerical value between the end values or any numerical value between the end values.
The invention also relates to mixtures comprising at least one compound of formula (I) or a preferred embodiment described above and at least one further compound. If the compounds according to the invention are used as matrix materials, the other compounds may be fluorescent or phosphorescent emitters. The mixture may then additionally comprise other materials as additional matrix materials. The invention also relates to the use of the compounds according to the invention in electronic components. Preferably, as mentioned above and below, the compounds according to the invention are used in a hole transport layer or as host material in a light-emitting layer. The compounds according to the invention and the electronic components obtainable therefrom, in particular organic electroluminescent components, differ from the prior art in one or more of the following surprising advantages:
the amino compound has a novel rigid structure such as large-plane conjugated naphthobenzofuran, naphthobenzothiophene or naphthoindene, and the mobility of carriers is large because of the compound shown in the general formula (I); (2) high internal quantum efficiency; (3) stable film state; (4) The organic electroluminescent element of the present invention is suitable for use as a constituent material of a light-emitting layer of the organic electroluminescent element because of its excellent heat resistance.
In the organic electroluminescent element of the present invention using the amino compound represented by the general formula (I) as a host material for the light-emitting layer, since a compound having higher carrier mobility than conventional materials, high internal quantum efficiency, excellent amorphousness, and stable thin film state is used, it is possible to realize an organic electroluminescent element having high efficiency, low driving voltage, and long lifetime.
Further, in the present invention, the light-emitting layer is formed by the amino compound of the general formula (I), so that the high quantum efficiency performance and heat resistance of the compound can be utilized to the maximum extent, and the long-life organic electroluminescent element can be realized with higher efficiency.
In the present invention, the organic electroluminescent element of the present invention, in which the amino compound represented by the general formula (I) is used as a constituent material for at least one of the light-emitting layers or the laminated film in which two or more light-emitting layers are arranged, uses a compound having high carrier mobility, high internal quantum efficiency, excellent amorphism, and stable thin film state, and thus can realize a high-efficiency, low-driving voltage, and long-life organic electroluminescent element.
These advantages mentioned above are not accompanied by a weakening of other electronic properties.
It should be noted that variations of the embodiments described in the present invention fall within the scope of the present invention. Each feature disclosed in this disclosure may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly excluded. Thus, unless indicated otherwise, each feature disclosed in this document is to be understood as an example of a generic series or equivalent or similar feature.
All features of the invention may be combined with each other in any way, unless the specific features and/or steps are mutually exclusive. This applies in particular to the preferred features of the invention. Also, features that are not necessarily combined may be used alone (and not in combination). Furthermore, it should be noted that many features, particularly those of the preferred embodiments of the present invention, are inventive in their own right and should not be taken as part of an embodiment of the present invention. For these features, independent protection may be sought in addition to, or in lieu of, each of the presently claimed inventions.
The teachings of the technical actions disclosed in the present invention can be extracted and combined with other embodiments. The present invention is explained in more detail by the following examples, but is not intended to be limited thereby. Based on the description, one skilled in the art will be able to practice the invention throughout the scope of the disclosure and, without inventive effort, be able to prepare and use other compounds of the invention in electronic components or use the methods of the invention.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic diagram of an organic light emitting device 100. The illustrations are not necessarily drawn to scale. The device 100 may include a substrate 101, an anode 102, a hole injection layer 103, a hole transport layer 104, an electron blocking layer 105, a light emitting layer 106, a hole blocking layer 107, an electron transport layer 108, an electron injection layer 109, a cathode 110, and a capping layer (CPL) 111. The device 100 may be fabricated by sequentially depositing the layers described.
Fig. 2 shows a schematic diagram of an organic light emitting device 200 with two light emitting layers. The device includes a substrate 201, an anode 202, a hole injection layer 203, a hole transport layer 204, a first emissive layer 205, an electron transport layer 206, a charge generation layer 207, a hole injection layer 208, a hole transport layer 209, a second emissive layer 210, an electron transport layer 211, an electron injection layer 212, and a cathode 213. The device 200 may be prepared by sequentially depositing the layers described. Because the most common OLED device has one light emitting layer, and device 200 has a first light emitting layer and a second light emitting layer, the light emitting peaks of the first and second light emitting layers may be overlapping or cross-overlapping or non-overlapping. In the corresponding layers of device 200, materials similar to those described with respect to device 100 may be used. Fig. 2 provides one example of how some layers may be added from the structure of device 100.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
In the invention, the preparation methods are all conventional methods unless otherwise specified. All materials used, unless otherwise indicated, are commercially available from the disclosure and percentages such as percentages by mass unless otherwise indicated. The novel series of organic compounds provided by the present invention, all of which are carried out under well known suitable conditions, involve some simple organic preparation, for example the preparation of phenylboronic acid derivatives, can be synthesised by skilled operating skills and are not described in detail in the present invention.
Any range recited in the invention includes any numerical value between the endpoints and any sub-range of any numerical value between the endpoints or any numerical value between the endpoints.
The following examples are examples of the test apparatus and method for testing the performance of OLED materials and devices as follows:
OLED element performance detection conditions:
luminance and chromaticity coordinates: photoresearch PR-715 was tested using a spectrum scanner;
current density and lighting voltage: testing using a digital source table Keithley 2420;
power efficiency: using the NEWPORT 1931-C test;
life test: LTS-1004AC life test apparatus was used.
Example 1
A process for the preparation of compound C20 comprising the steps of:
the first step: preparation of compound int.—1
Under the protection of nitrogen, 37.8mmol of 2-methoxy phenylacetylene is dissolved in 50mL of triethylamine, 45.5mmol of 1-bromo-dibenzofuran, 4.0mmol of cuprous iodide, 4.0mmol of palladium acetate and 8.0mmol of triphenylphosphine are added, the mixture is heated, refluxed and stirred for reaction for 6 hours, concentrated to dryness under reduced pressure, and separated and purified by a silica gel column to obtain an intermediate Int. -1, and the yield is 90%.
And a second step of: preparation of compound int-2
Under the protection of nitrogen, 33.5mmol of intermediate int-1 is dissolved in 60mL of dichloromethane, 33.5mmol of iodine is added, stirring reaction is carried out at room temperature for 20 hours, 20mL of saturated sodium thiosulfate aqueous solution is added, an organic phase is separated, washed by 1M of dilute hydrochloric acid aqueous solution, washed by water, dried, filtered, and the filtrate is concentrated under reduced pressure to dryness, and is separated and purified by a silica gel column to obtain intermediate int-2, and the yield is 92%.
And a third step of: preparation of compound int.—3
Referring to the synthesis method of the first step, 1-bromodibenzofuran is replaced by Int-2, 2-methoxy phenylacetylene is replaced by trimethylsilylacetylene, and the compound Int-3 is prepared with a yield of 92%.
Fourth step: preparation of Compound Int. -4
Under the protection of nitrogen, 20.0mmol of Int. -3 prepared in the previous step and 80mL of 30% sodium methoxide methanol solution are heated to reflux and stirred for reaction for 5 hours, cooled to room temperature, concentrated to dryness under reduced pressure, dissolved with dichloromethane, washed twice with water, and the organic phase is collected, dried, filtered, concentrated to dryness under reduced pressure, and separated and purified by a silica gel column to obtain the compound Int. -4 as a yellow solid with the yield of 85%.
Fifth step: preparation of compound int.—5
Under the protection of nitrogen, 20.0mmol of Int. -4 prepared in the previous step and 60mL of dichloromethane are mixed, 30.0mmol of trifluoromethanesulfonic acid is added dropwise, stirring reaction is carried out at room temperature for 12 hours, 50mL of saturated sodium bicarbonate aqueous solution is added, an organic phase is separated, drying, filtering and concentrating filtrate under reduced pressure to dryness, and compound Int. -5 is obtained by separating and purifying with a silica gel column, wherein the yield is 94%.
Sixth step: preparation of compound int.—6
Under the protection of nitrogen, 20.0mmol of Int.-5 prepared in the previous step is dissolved in 50mL of DMF, the temperature is reduced to 0 ℃, 21.0mmol of NBS is added in portions, the reaction is stirred for 2 hours, the reaction solution is poured into 150mL of saturated sodium chloride aqueous solution, the solution is filtered, a filter cake is washed with water, and the solid is separated and purified by a silica gel column to obtain a compound Int.-6, white solid, and the yield is 90%.
Seventh step: preparation of Compound C20
22.0mmol of Int.- -6 (reactant 1), 20.0mmol of sub-1 (reactant 2), 30.0mmol of sodium tert-butoxide and 0.2mmol of Pd prepared in the previous step under the protection of nitrogen 2 (dba) 3 And 0.4mmol Xantphos, then 80mL of toluene is added, the temperature is raised to 100 ℃ and the mixture is stirred for reaction for 15 hours, the temperature is reduced to room temperature, 50mL of water is added, the organic phase is separated, the water phase is extracted by toluene, the organic phase is dried and filtered, the filtrate is concentrated to dryness under reduced pressure, and the compound C20 is obtained by separating and purifying by a silica gel column;
X=CMe 2 yellow solid, yield 83%, MS (TOF): m/z 668.2603[ M+H ]] + ; 1 HNMR(δ、CDCl 3 ):8.43(1H,s);8.26(1H,s);8.01(1H,s);7.96~7.93(2H,m);7.91~7.86(2H,m);7.58~7.52(5H,m);7.42~7.28(11H,m);7.17~7.14(2H,m);7.08~7.06(2H,m);1.68(6H,s)。
X=9, 9-Fluorenyl (FR), yellow solid, yield 82%, MS (TOF): m/z 790.2754[ M+H ]] + ; 1 HNMR(δ、CDCl 3 ):8.43(1H,s);7.96~7.90(3H,m);7.85~7.81(2H,m);7.72~7.62(7H,m);7.59~7.50(5H,m);7.45~7.35(8H,m);7.20~7.12(5H,m);7.15~7.12(2H,m);7.08~7.06(2H,m)。
Referring to the synthesis procedure analogous to the above examples, the following compounds were prepared:
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in the above embodiments, each X-is independently selected from one of the structures shown below:
* -and-represents a bond.
Example 2
As shown in FIG. 1, the preparation method of the OLED element comprises the following steps:
1) The glass substrate coated with the ITO conductive layer is subjected to ultrasonic treatment in a cleaning agent for 30 minutes, rinsed in deionized water, subjected to ultrasonic treatment in an acetone/ethanol mixed solvent for 30 minutes, baked in a clean environment until completely dried, irradiated by an ultraviolet light cleaning machine for 10 minutes, and bombarded on the surface by a low-energy cation beam.
2) Placing the above ITO glass substrate in vacuum chamber, and vacuumizing to less than 1×10 -5 Pa, evaporating metallic silver as anode on the ITO film, and evaporating film thickness to beContinuing to vapor deposit the compounds DNTPD and F4TCNQ respectively as hole injection layers, wherein F4TCNQ is 3% of DNTPD by mass, and the vapor deposition film thickness is +.>
3) Continuously depositing a layer of the compound shown in the formula (I) as a hole transport layer on the hole injection layer film, wherein the deposition film thickness is
4) Continuously evaporating a layer of compound HT202 as electron blocking layer on the hole transport layer to obtain an evaporating film with a thickness of
5) Continuously evaporating a layer of compounds RH345 and RD018 on the electron blocking layer as organic light emitting layers, wherein RD018 is a doping material and compound RH345 is a main material, the doping concentration of the compound RD018 in RH345 is 5%, and the evaporating film thickness is
6) And continuing to vapor deposit a layer of compounds LiQ and ET212 on the light-emitting layer as an electron transport layer of the device, wherein the mass ratio of the LiQ to the ET212 is 1:1, the thickness of the vapor deposition film is
7) Evaporating a layer of compound LiF on the electron transport layer to obtain an electron injection layer with a thickness of
8) Evaporating metal magnesium and silver on the electron injection layer to obtain cathode with mass ratio of magnesium to silver of 1:10, and evaporating film thickness of
Finally, the same compound as in step 3) is deposited on the cathode as a capping layer of the element, and the thickness of the deposited film is
The structure of the compound used in example 2 above is as follows:
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comparative example 1
Example 2 the same procedure is followed except that compound H01 is used in place of the compound of formula (I) in example 2, step 3) and the final capping layer. The structure of compound H01 is:
the driving voltage and current efficiency of the organic electroluminescent elements prepared in example 2 and comparative example 1 and the lifetime of the elements were measured using a digital source meter and a luminance meter at the same luminance. Specifically, the luminance of the organic electroluminescent element was measured to reach 1000cd/m by increasing the voltage at a rate of 0.1V per second 2 The voltage at the time is the driving voltage, and the current density at the time is measured; the ratio of brightness to current density is the current efficiency; LT90% life test is as follows: at 1000cd/m using a luminance meter 2 The luminance decay of the organic electroluminescent element was measured to be 900cd/m while maintaining a constant current at luminance 2 Time in hours. All results are summarized in table 2, and test results were normalized against the data of comparative example 1 (bracketed data) for comparison.
TABLE 2 results of testing the performance of the elements
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Wherein Me is methyl; ph is phenyl; phPh is biphenyl; nap is naphthyl; ad is 2, 2-adamantyl; FR is 9, 9-fluorenyl.
As can be seen from table 2, the compound of the present invention provides an organic electroluminescent element having high efficiency and long life as a material for a hole transport layer and a capping layer, and the element has low driving voltage, improved current efficiency, and excellent LT90% lifetime, indicating that the compound of the present invention is an organic electroluminescent material having excellent performance.
The compound H01 of comparative example 1 is different from the compound of the present invention in that the hole transport ability is weaker than the electron transport ability after the large planar conjugated group of H01 is linked to carbazole, resulting in imbalance in transfer of excitons in the element, an increase in element driving voltage, and a decrease in efficiency. The compound of the invention improves the hole transmission capability after introducing branched arylamine groups, so that the compound has excellent performance in molecular film formation and exciton transmission, the exciton transmission in the element is more balanced, and the element performance is improved.
The organic electroluminescent device of the present invention can be applied to flat-panel light emitters such as wall-mounted televisions, flat-panel displays, and lighting, light sources such as copiers, printers, backlights for liquid crystal displays, and measuring instruments, display panels, and marker lamps.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An amino compound is characterized in that the structural general formula of the amino compound is shown as a formula (I):
wherein T is 1 、T 2 Each independently selected from O, S, CR 12 R 13 ;
R 1 ~R 13 Are identical to or different from each other and are each independently selected from hydrogen, deuterium, cyano, halogen atoms, substituted or unsubstituted C 1 ~C 30 Alkyl, substituted or unsubstituted C 6 ~C 50 Aryl group,Substituted or unsubstituted C 3 ~C 30 Cycloalkyl, substituted or unsubstituted C 2 ~C 50 Heteroaryl, substituted or unsubstituted C 1 ~C 30 Alkoxy, substituted or unsubstituted C 6 ~C 50 Aryloxy, substituted or unsubstituted C 1 ~C 30 Alkylthio, substituted or unsubstituted C 6 ~C 50 Arylthio, substituted or unsubstituted C 1 ~C 30 Alkylamino, substituted or unsubstituted C 6 ~C 50 Arylamine group, substituted or unsubstituted C 1 ~C 30 Alkylsilyl, substituted or unsubstituted C 6 ~C 50 Aryl silyl group, any adjacent two or more R I ~R 13 Optionally bonded or fused to form a substituted or unsubstituted ring with or without heteroatoms N, O, S, P, B, si or Se in the ring formed;
L 1 、L 2 each independently selected from the group consisting of single bond, substituted or unsubstituted C 6 ~C 50 Arylene, substituted or unsubstituted C 2 ~C 50 A group consisting of heteroarylenes;
Ar 1 、Ar 2 each independently selected from the group consisting of substituted or unsubstituted C 6 ~C 50 Aryl, substituted or unsubstituted C 6 ~C 50 Arylamine group, substituted or unsubstituted C 6 ~C 50 Condensed aryl, substituted or unsubstituted C 2 ~C 50 Heteroaryl groups.
2. The amino compound of claim 1, wherein T is 1 Selected from O, S or CR 12 R 13 ;T 2 Selected from O or S; r is R I ~R 13 Each independently selected from the group consisting of hydrogen, deuterium, nitrile, methyl, ethyl, isopropyl, isobutyl, tert-butyl, substituted or unsubstituted phenyl, substituted or unsubstituted biphenyl, substituted or unsubstituted terphenylSubstituted tetralylmethyl, substituted or unsubstituted naphthyl, substituted or unsubstituted phenanthryl, substituted or unsubstituted triphenylene, substituted or unsubstituted anthracenyl, substituted or unsubstituted benzanthracenyl, substituted or unsubstituted pyrenyl A group consisting of a group, a substituted or unsubstituted perylene group, a substituted or unsubstituted fluoranthene group, a substituted or unsubstituted carbazole group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted indolyl group, a substituted or unsubstituted benzofuranyl group, a substituted or unsubstituted benzothienyl group, a substituted or unsubstituted dibenzofuranyl group, and a substituted or unsubstituted dibenzothiophenyl group.
3. The amino compound of claim 1, wherein R 1 ~R 11 Each independently selected from the group consisting of hydrogen, deuterium, t-butyl, substituted or unsubstituted phenyl;
R 12 、R 13 each occurrence is independently selected from the group consisting of hydrogen, deuterium, methyl, substituted or unsubstituted phenyl, substituted or unsubstituted fluorenyl.
4. The amino compound of claim 1, wherein Ar 1 、Ar 2 Each independently selected from the group consisting of substituted or unsubstituted phenyl, substituted or unsubstituted biphenyl, substituted or unsubstituted terphenyl, substituted or unsubstituted tetrabiphenyl, substituted or unsubstituted naphthyl, substituted or unsubstituted phenanthryl, substituted or unsubstituted triphenylene, substituted or unsubstituted anthracenyl, substituted or unsubstituted benzanthracenyl, substituted or unsubstituted pyrenyl A group, a substituted or unsubstituted perylene group, a substituted or unsubstituted fluoranthene group, a substituted or unsubstituted carbazole group, a substituted or unsubstituted fluorenyl group,A substituted or unsubstituted indolyl group, a substituted or unsubstituted benzofuranyl group, a substituted or unsubstituted benzothienyl group, a substituted or unsubstituted dibenzofuranyl group, or a substituted or unsubstituted dibenzothiophene group.
5. The amino compound of any one of claims 1 to 4, wherein each L1, L2 is independently selected from a single bond or a group consisting of the following groups III-1 to III-24:
wherein T is 3 Selected from O, S, se, CR ' R ', siR ' R ', or NAr ';
Z 11 、Z 12 、Z 13 、Z 14 each independently selected from the group consisting of hydrogen, deuterium, halogen atoms, hydroxyl, nitrile, nitro, amino, amidino, hydrazine, hydrazone, carboxyl or carboxylate thereof, sulfonic acid or sulfonate thereof, phosphoric acid or phosphate thereof, C 1 -C 60 Alkyl, C of (2) 2 -C 60 Alkenyl, C 2 -C 60 Alkynyl, C 1 -C 60 Alkoxy, C 3 -C 60 Is C 3 -C 60 Cyclic olefin group, substituted or unsubstituted C 6 -C 60 Aryl, substituted or unsubstituted C 6 -C 60 Aryloxy, substituted or unsubstituted C 6 -C 60 Aryl sulfide group, or substituted or unsubstituted C 2 -C 60 Heteroaryl groups;
y1 represents an integer of 1 to 4; y2 represents an integer of 1 to 6; y3 represents an integer of 1 to 3; y4 represents an integer of 1 to 5; y5 represents 1 or 2;
r ', R' are each independently selected from C 1 -C 60 Alkyl, C of (2) 1 -C 60 Is optionally substituted C 6 -C 60 Aryl, substituted or unsubstituted C 6 -C 60 Arylamine groups, or substituted or unsubstituted C 2 -C 60 Heteroaryl, R' and R "may optionally be joined or fused to form one or more additional substituted or unsubstituted rings, with or without one or more heteroatoms N, P, B, O or S in the ring formed; preferably, R', R "is methyl, phenyl or fluorenyl;
ar' is selected from C 1 -C 60 Alkyl, C of (2) 1 -C 60 Heteroalkyl of (C) 3 -C 60 Cycloalkyl, substituted or unsubstituted C 6 -C 60 Aryl, substituted or unsubstituted C 6 -C 60 Condensed ring aryl, substituted or unsubstituted C 6 -C 60 Arylamine groups, or substituted or unsubstituted C 2 -C 60 A group consisting of heteroaryl groups; preferably, ar' is methyl, ethyl, phenyl, biphenyl or naphthyl;
wherein the dotted line represents the attachment site of the group.
6. The amino compound of any one of claims 1 to 5, wherein the amino compound is selected from the group consisting of structures shown in C01 to C102:
wherein, -X-/each is independently selected from-0-, -S-/or one of the following structures:
* -and-represents a bond.
7. An organic electroluminescent material, characterized in that it comprises an amino compound according to any one of claims 1 to 6.
8. An organic electroluminescent device comprising a first electrode, a second electrode, a capping layer, and at least one organic layer disposed between the first electrode and the second electrode, wherein the organic layer or capping layer comprises the amino compound of any one of claims 1-6.
9. The organic electroluminescent device according to claim 8, wherein the organic layer comprises 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; wherein each organic layer may be one, two or more layers; the hole transport layer or/and the light-emitting layer contains the amino compound according to any one of claims 1 to 6.
10. A consumer product comprising the organic electroluminescent device of any one of claims 8-9.
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