JP7088991B2 - 有機化合物、これを含む発光ダイオードおよび発光装置 - Google Patents
有機化合物、これを含む発光ダイオードおよび発光装置 Download PDFInfo
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- JP7088991B2 JP7088991B2 JP2020128875A JP2020128875A JP7088991B2 JP 7088991 B2 JP7088991 B2 JP 7088991B2 JP 2020128875 A JP2020128875 A JP 2020128875A JP 2020128875 A JP2020128875 A JP 2020128875A JP 7088991 B2 JP7088991 B2 JP 7088991B2
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- light emitting
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- electrode
- emitting diode
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- 150000002894 organic compounds Chemical class 0.000 title claims description 56
- 239000000126 substance Substances 0.000 claims description 92
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 31
- 239000002019 doping agent Substances 0.000 claims description 27
- 125000000217 alkyl group Chemical group 0.000 claims description 24
- 125000001072 heteroaryl group Chemical group 0.000 claims description 21
- 125000003118 aryl group Chemical group 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 14
- 239000010409 thin film Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 12
- 125000003545 alkoxy group Chemical group 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 442
- 239000000463 material Substances 0.000 description 180
- 238000012546 transfer Methods 0.000 description 86
- 150000001875 compounds Chemical class 0.000 description 69
- 230000005525 hole transport Effects 0.000 description 69
- -1 hydrazil group Chemical group 0.000 description 56
- 239000002096 quantum dot Substances 0.000 description 44
- 238000002347 injection Methods 0.000 description 43
- 239000007924 injection Substances 0.000 description 43
- 230000015572 biosynthetic process Effects 0.000 description 34
- 238000004770 highest occupied molecular orbital Methods 0.000 description 34
- 238000003786 synthesis reaction Methods 0.000 description 33
- 229910052757 nitrogen Inorganic materials 0.000 description 32
- 239000011541 reaction mixture Substances 0.000 description 31
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 30
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 28
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 27
- 239000004065 semiconductor Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 24
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- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 22
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- 229910052741 iridium Inorganic materials 0.000 description 21
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- 239000002245 particle Substances 0.000 description 19
- 125000005843 halogen group Chemical group 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 16
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- 229910006404 SnO 2 Inorganic materials 0.000 description 15
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 15
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- 229910052736 halogen Inorganic materials 0.000 description 11
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 9
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- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 8
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 8
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- 229910016036 BaF 2 Inorganic materials 0.000 description 7
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- 125000001188 haloalkyl group Chemical group 0.000 description 7
- 150000002431 hydrogen Chemical class 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 7
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 7
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- 125000001424 substituent group Chemical group 0.000 description 7
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 6
- 229910001887 tin oxide Inorganic materials 0.000 description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
- 229920000144 PEDOT:PSS Polymers 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
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- 238000005507 spraying Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 229910052788 barium Inorganic materials 0.000 description 4
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 4
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- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000004776 molecular orbital Methods 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 4
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- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 3
- XNCMQRWVMWLODV-UHFFFAOYSA-N 1-phenylbenzimidazole Chemical compound C1=NC2=CC=CC=C2N1C1=CC=CC=C1 XNCMQRWVMWLODV-UHFFFAOYSA-N 0.000 description 3
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 3
- 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 3
- HNWFFTUWRIGBNM-UHFFFAOYSA-N 2-methyl-9,10-dinaphthalen-2-ylanthracene Chemical compound C1=CC=CC2=CC(C3=C4C=CC=CC4=C(C=4C=C5C=CC=CC5=CC=4)C4=CC=C(C=C43)C)=CC=C21 HNWFFTUWRIGBNM-UHFFFAOYSA-N 0.000 description 3
- ZOKIJILZFXPFTO-UHFFFAOYSA-N 4-methyl-n-[4-[1-[4-(4-methyl-n-(4-methylphenyl)anilino)phenyl]cyclohexyl]phenyl]-n-(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(=CC=1)C1(CCCCC1)C=1C=CC(=CC=1)N(C=1C=CC(C)=CC=1)C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 ZOKIJILZFXPFTO-UHFFFAOYSA-N 0.000 description 3
- SCZWJXTUYYSKGF-UHFFFAOYSA-N 5,12-dimethylquinolino[2,3-b]acridine-7,14-dione Chemical compound CN1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3N(C)C1=C2 SCZWJXTUYYSKGF-UHFFFAOYSA-N 0.000 description 3
- 229910004613 CdTe Inorganic materials 0.000 description 3
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 3
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 3
- 229920001167 Poly(triaryl amine) Polymers 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 229910007709 ZnTe Inorganic materials 0.000 description 3
- CUJRVFIICFDLGR-UHFFFAOYSA-N acetylacetonate Chemical compound CC(=O)[CH-]C(C)=O CUJRVFIICFDLGR-UHFFFAOYSA-N 0.000 description 3
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 239000004305 biphenyl Substances 0.000 description 3
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- 230000005281 excited state Effects 0.000 description 3
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
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- 125000005241 heteroarylamino group Chemical group 0.000 description 3
- 239000010954 inorganic particle Substances 0.000 description 3
- MILUBEOXRNEUHS-UHFFFAOYSA-N iridium(3+) Chemical compound [Ir+3] MILUBEOXRNEUHS-UHFFFAOYSA-N 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 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
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 3
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 150000003852 triazoles Chemical class 0.000 description 3
- TYHJXGDMRRJCRY-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) tin(4+) Chemical compound [O-2].[Zn+2].[Sn+4].[In+3] TYHJXGDMRRJCRY-UHFFFAOYSA-N 0.000 description 3
- 229960001296 zinc oxide Drugs 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- YBNMDCCMCLUHBL-UHFFFAOYSA-N (2,5-dioxopyrrolidin-1-yl) 4-pyren-1-ylbutanoate Chemical compound C=1C=C(C2=C34)C=CC3=CC=CC4=CC=C2C=1CCCC(=O)ON1C(=O)CCC1=O YBNMDCCMCLUHBL-UHFFFAOYSA-N 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 2
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 2
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 2
- IYZMXHQDXZKNCY-UHFFFAOYSA-N 1-n,1-n-diphenyl-4-n,4-n-bis[4-(n-phenylanilino)phenyl]benzene-1,4-diamine Chemical compound C1=CC=CC=C1N(C=1C=CC(=CC=1)N(C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 IYZMXHQDXZKNCY-UHFFFAOYSA-N 0.000 description 2
- BFTIPCRZWILUIY-UHFFFAOYSA-N 2,5,8,11-tetratert-butylperylene Chemical group CC(C)(C)C1=CC(C2=CC(C(C)(C)C)=CC=3C2=C2C=C(C=3)C(C)(C)C)=C3C2=CC(C(C)(C)C)=CC3=C1 BFTIPCRZWILUIY-UHFFFAOYSA-N 0.000 description 2
- NRSBAUDUBWMTGL-UHFFFAOYSA-N 2-(1-benzothiophen-2-yl)pyridine Chemical compound S1C2=CC=CC=C2C=C1C1=CC=CC=N1 NRSBAUDUBWMTGL-UHFFFAOYSA-N 0.000 description 2
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 2
- OSQXTXTYKAEHQV-WXUKJITCSA-N 4-methyl-n-[4-[(e)-2-[4-[4-[(e)-2-[4-(4-methyl-n-(4-methylphenyl)anilino)phenyl]ethenyl]phenyl]phenyl]ethenyl]phenyl]-n-(4-methylphenyl)aniline Chemical group C1=CC(C)=CC=C1N(C=1C=CC(\C=C\C=2C=CC(=CC=2)C=2C=CC(\C=C\C=3C=CC(=CC=3)N(C=3C=CC(C)=CC=3)C=3C=CC(C)=CC=3)=CC=2)=CC=1)C1=CC=C(C)C=C1 OSQXTXTYKAEHQV-WXUKJITCSA-N 0.000 description 2
- VIZUPBYFLORCRA-UHFFFAOYSA-N 9,10-dinaphthalen-2-ylanthracene Chemical compound C12=CC=CC=C2C(C2=CC3=CC=CC=C3C=C2)=C(C=CC=C2)C2=C1C1=CC=C(C=CC=C2)C2=C1 VIZUPBYFLORCRA-UHFFFAOYSA-N 0.000 description 2
- NSXJEEMTGWMJPY-UHFFFAOYSA-N 9-[3-(3-carbazol-9-ylphenyl)phenyl]carbazole Chemical group C12=CC=CC=C2C2=CC=CC=C2N1C1=CC(C=2C=CC=C(C=2)N2C3=CC=CC=C3C3=CC=CC=C32)=CC=C1 NSXJEEMTGWMJPY-UHFFFAOYSA-N 0.000 description 2
- LTUJKAYZIMMJEP-UHFFFAOYSA-N 9-[4-(4-carbazol-9-yl-2-methylphenyl)-3-methylphenyl]carbazole Chemical group C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(C=2C(=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C)C(C)=C1 LTUJKAYZIMMJEP-UHFFFAOYSA-N 0.000 description 2
- VFUDMQLBKNMONU-UHFFFAOYSA-N 9-[4-(4-carbazol-9-ylphenyl)phenyl]carbazole Chemical group C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 VFUDMQLBKNMONU-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- 229910005540 GaP Inorganic materials 0.000 description 2
- 229910005542 GaSb Inorganic materials 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 229910004262 HgTe Inorganic materials 0.000 description 2
- 229910000673 Indium arsenide Inorganic materials 0.000 description 2
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 2
- OHCBXVFWNDILNR-UHFFFAOYSA-K N1=C(C=CC=C1)C(=O)[O-].FC1=C(C=CC(=C1)F)C1=NC2=CC=CC=C2C=C1.FC1=C(C=CC(=C1)F)C1=NC2=CC=CC=C2C=C1.[Ir+3].N1=C(C=CC=C1)C(=O)[O-].N1=C(C=CC=C1)C(=O)[O-] Chemical compound N1=C(C=CC=C1)C(=O)[O-].FC1=C(C=CC(=C1)F)C1=NC2=CC=CC=C2C=C1.FC1=C(C=CC(=C1)F)C1=NC2=CC=CC=C2C=C1.[Ir+3].N1=C(C=CC=C1)C(=O)[O-].N1=C(C=CC=C1)C(=O)[O-] OHCBXVFWNDILNR-UHFFFAOYSA-K 0.000 description 2
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 2
- 229910002665 PbTe Inorganic materials 0.000 description 2
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052771 Terbium Inorganic materials 0.000 description 2
- 229910052775 Thulium Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 2
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- 230000008033 biological extinction Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- UFVXQDWNSAGPHN-UHFFFAOYSA-K bis[(2-methylquinolin-8-yl)oxy]-(4-phenylphenoxy)alumane Chemical compound [Al+3].C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC([O-])=CC=C1C1=CC=CC=C1 UFVXQDWNSAGPHN-UHFFFAOYSA-K 0.000 description 1
- XZCJVWCMJYNSQO-UHFFFAOYSA-N butyl pbd Chemical compound C1=CC(C(C)(C)C)=CC=C1C1=NN=C(C=2C=CC(=CC=2)C=2C=CC=CC=2)O1 XZCJVWCMJYNSQO-UHFFFAOYSA-N 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 229960000956 coumarin Drugs 0.000 description 1
- 235000001671 coumarin Nutrition 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 125000005509 dibenzothiophenyl group Chemical group 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- ZIUSEGSNTOUIPT-UHFFFAOYSA-N ethyl 2-cyanoacetate Chemical compound CCOC(=O)CC#N ZIUSEGSNTOUIPT-UHFFFAOYSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 125000004446 heteroarylalkyl group Chemical group 0.000 description 1
- 125000000592 heterocycloalkyl group Chemical group 0.000 description 1
- 125000006588 heterocycloalkylene group Chemical group 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 125000003427 indacenyl group Chemical group 0.000 description 1
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- SFTOAWQJLAEXND-UHFFFAOYSA-N iridium(3+);2-phenylpyridine Chemical compound [Ir+3].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 SFTOAWQJLAEXND-UHFFFAOYSA-N 0.000 description 1
- RTRAMYYYHJZWQK-UHFFFAOYSA-N iridium;2-phenylpyridine Chemical compound [Ir].C1=CC=CC=C1C1=CC=CC=N1 RTRAMYYYHJZWQK-UHFFFAOYSA-N 0.000 description 1
- UEEXRMUCXBPYOV-UHFFFAOYSA-N iridium;2-phenylpyridine Chemical compound [Ir].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 UEEXRMUCXBPYOV-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 1
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 1
- 125000000040 m-tolyl group Chemical group [H]C1=C([H])C(*)=C([H])C(=C1[H])C([H])([H])[H] 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- WPJCJMUJHATBCW-UHFFFAOYSA-N n,n-bis(4-methylphenyl)anthracen-1-amine Chemical compound C1=CC(C)=CC=C1N(C=1C2=CC3=CC=CC=C3C=C2C=CC=1)C1=CC=C(C)C=C1 WPJCJMUJHATBCW-UHFFFAOYSA-N 0.000 description 1
- 125000001715 oxadiazolyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RJCRUVXAWQRZKQ-UHFFFAOYSA-N oxosilicon;silicon Chemical compound [Si].[Si]=O RJCRUVXAWQRZKQ-UHFFFAOYSA-N 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000001828 phenalenyl group Chemical group C1(C=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 1
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 1
- 125000004625 phenanthrolinyl group Chemical group N1=C(C=CC2=CC=C3C=CC=NC3=C12)* 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 229940070891 pyridium Drugs 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 125000004305 thiazinyl group Chemical group S1NC(=CC=C1)* 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 125000005033 thiopyranyl group Chemical group 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(II) oxide Inorganic materials [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- MBMQEIFVQACCCH-QBODLPLBSA-N zearalenone Chemical compound O=C1O[C@@H](C)CCCC(=O)CCC\C=C\C2=CC(O)=CC(O)=C21 MBMQEIFVQACCCH-QBODLPLBSA-N 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
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Description
発光ダイオードにおいて電荷輸送材料として使用される化合物は、電荷移動度に優れている必要があり、発光物質層に電荷をバランスよく注入できなければならない。本発明の一態様による有機化合物は、このような特性を満たすことができ、下記化学式1で表示され得る。
また、他の実施形態において、R1aおよびR1bは同一であり、水素、非置換もしくは置換されたC5~C14アリル基、非置換もしくは置換されたC4~C14ヘテロアリル基、非置換もしくは置換されたアラルキル基、非置換もしくは置換されたC4~C14ヘテロアラルキル基であって、置換基は、望ましくはハロゲン、さらに望ましくはフッ素である。そして、
酸素もしくはCR7R8であり、R7およびR8は、それぞれ独立して、ハロゲン、ハロアルキル基、シアノ基、ニトロ基、C1~C20アルキル基、C5~C30アルキル基もしくはC4~C30ヘテロアリル基であって、C1~C20アルキル基、C5~C30アルキル基、C5~C30アリル基およびC4~C30ヘテロアリル基は、それぞれシアノ基、ニトロ基およびハロゲンで構成される群から選択される少なくとも1つの置換基に選択的に置換され、XとYは同一ではない;Z1とZ2は、それぞれ独立して、NR3、SもしくはOであり、R3は、水素または置換されたり、もしくは置換されていないC1~C20アルキル基である。R2aおよびR2bは水素であり、Z1およびZ2は全てSであり、YはCR7R8であって、R7およびR8は、シアノ基であり、XはCR5R6であって、R5およびR6は、下記の構造のうち、いずれか1つを有する。
合成例1によって合成されたSH01化合物を正孔輸送層のドーパントとして使用して発光ダイオードを製作した。ITOガラスの発光面積が3mm×3mmサイズになるようにパターニングした後、洗浄した。次に、以下のような順序によって発光層および負極を積層した。正孔注入層(HIL、PEDOT:PSS、スピンコート(7000rpm)後に150℃で30分間加熱;30nm)、正孔輸送層(HTL、TFB:SH01(2:1~1:2重量比)、真空チャンバーに移送した後に蒸着(1×10-6Torr)、20nm)、発光物質層(EML、InP/ZnSe/ZnS、スピンコート(2000rpm)後に80℃で1時間加熱;20nm)、電子輸送層(ETL、2-[4-(9、10-ジ-2-ナフタレニル-2-アントラセニル)フェニル]-1-フェニル-1H-ベンズイミダゾール:LIQ(50%)、基板を真空チャンバーに移送した後に蒸着(1×10-6Torr)、40nm)、負極(Al、蒸着(1×10-6Torr)、80nm)。
合成例2によって合成されたSH02化合物を正孔輸送層のドーパントとして使用することを除いて、実施例1の手続を繰り返して発光ダイオードを製作した。
合成例3によって合成されたSH03化合物を正孔輸送層のドーパントとして使用することを除いて、実施例1の手続を繰り返して発光ダイオードを製作した。
合成例4によって合成されたSH04化合物を正孔輸送層のドーパントとして使用することを除いて、実施例1の手続を繰り返して発光ダイオードを製作した。
正孔輸送層にドーパントを適用せず、TFBのみを適用することを除いて、実施例1の手続を繰り返して発光ダイオードを製作した。
比較合成例1によって製造されたTH01化合物を正孔輸送層のドーパントとして使用することを除いて、実施例1の手続を繰り返して発光ダイオードを製作した。
比較合成例2によって製造されたTH02化合物を正孔輸送層のドーパントとして使用することを除いて、実施例1の手続を繰り返して発光ダイオードを製作した。
比較合成例3によって製造されたTH03化合物を正孔輸送層のドーパントとして使用することを除いて、実施例1の手続を繰り返して発光ダイオードを製作した。
比較合成例4によって製造されたTH04化合物を正孔輸送層のドーパントとして使用することを除いて、実施例1の手続を繰り返して発光ダイオードを製作した。
実施例1~4と、比較例1~5でそれぞれ製造された発光ダイオードを外部電力供給源に連結し、本発明において製造されたすべての素子のEL特性を一定の電流供給源(KEITHLEY)および光度計PR650を使用して室温で評価した。具体的に、実施例1~4と、比較例1~5でそれぞれ製作された発光ダイオードの駆動電圧(V)、電流効率(Cd/A)、外部量子効率(external quantum efficiency、EQE)および発光波長に対する色座標を測定した。測定結果を表1に示す。
110、210、410 第1電極
120、220、320 第2電極
130、230、430 発光層
140 第1電荷移動層(正孔移動層)
150、250、450 発光物質層
160 第2電荷移動層(電子移動層)
240 第1電荷移動層(電子移動層)
260 第2電荷移動層(正孔移動層)
300 発光表示装置
440 第1電荷移動層
460 第2電荷移動層
Tr 駆動薄膜トランジスタ
Claims (5)
- 互いに対向する第1電極および第2電極と、
前記第1電極と前記第2電極との間に位置し、請求項1に記載の有機化合物を含む正孔移動層を含む発光層とを備える発光ダイオード。 - 請求項2または請求項3に記載の発光ダイオードを備える発光装置。
- 基板と、
前記基板の上部に位置する前記発光ダイオードと、
前記基板と前記発光ダイオードとの間に位置し、前記発光ダイオードに連結される薄膜トランジスタと、を備える、請求項4に記載の発光装置。
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KR1020170140169A KR102518835B1 (ko) | 2017-10-26 | 2017-10-26 | 유기 화합물, 이를 포함하는 발광다이오드 및 발광장치 |
KR10-2017-0140169 | 2017-10-26 |
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DE102018126668B4 (de) | 2023-08-17 |
GB201817348D0 (en) | 2018-12-12 |
DE102018126668A1 (de) | 2019-05-02 |
US20190131548A1 (en) | 2019-05-02 |
CN109705134A (zh) | 2019-05-03 |
US11139436B2 (en) | 2021-10-05 |
CN109705134B (zh) | 2021-05-11 |
KR102518835B1 (ko) | 2023-04-05 |
GB2569854A (en) | 2019-07-03 |
JP2019077685A (ja) | 2019-05-23 |
JP6744376B2 (ja) | 2020-08-19 |
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