WO2007125714A1 - 芳香族アミン誘導体及びそれらを用いた有機エレクトロルミネッセンス素子 - Google Patents
芳香族アミン誘導体及びそれらを用いた有機エレクトロルミネッセンス素子 Download PDFInfo
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- WO2007125714A1 WO2007125714A1 PCT/JP2007/056596 JP2007056596W WO2007125714A1 WO 2007125714 A1 WO2007125714 A1 WO 2007125714A1 JP 2007056596 W JP2007056596 W JP 2007056596W WO 2007125714 A1 WO2007125714 A1 WO 2007125714A1
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- substituted
- general formula
- unsubstituted
- carbon atoms
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- 150000004982 aromatic amines Chemical class 0.000 title claims abstract description 69
- 238000005401 electroluminescence Methods 0.000 title claims abstract 5
- 230000005525 hole transport Effects 0.000 claims abstract description 33
- 239000010409 thin film Substances 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 17
- -1 aromatic amine amine Chemical class 0.000 claims description 169
- 125000004432 carbon atom Chemical group C* 0.000 claims description 92
- 125000003118 aryl group Chemical group 0.000 claims description 77
- 238000002347 injection Methods 0.000 claims description 71
- 239000007924 injection Substances 0.000 claims description 71
- 239000000463 material Substances 0.000 claims description 66
- 239000000126 substance Substances 0.000 claims description 58
- 229910052786 argon Inorganic materials 0.000 claims description 42
- 125000004429 atom Chemical group 0.000 claims description 38
- 125000000217 alkyl group Chemical group 0.000 claims description 34
- 125000003545 alkoxy group Chemical group 0.000 claims description 27
- 125000004104 aryloxy group Chemical group 0.000 claims description 26
- 229920006395 saturated elastomer Polymers 0.000 claims description 26
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 23
- 125000003277 amino group Chemical group 0.000 claims description 18
- 125000005843 halogen group Chemical group 0.000 claims description 16
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 14
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 14
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 14
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 12
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 10
- 125000006615 aromatic heterocyclic group Chemical group 0.000 claims description 8
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- UWRZIZXBOLBCON-VOTSOKGWSA-N (e)-2-phenylethenamine Chemical compound N\C=C\C1=CC=CC=C1 UWRZIZXBOLBCON-VOTSOKGWSA-N 0.000 claims description 5
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- 125000004434 sulfur atom Chemical group 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical group [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052711 selenium Inorganic materials 0.000 claims description 3
- 239000011669 selenium Chemical group 0.000 claims description 3
- 239000011593 sulfur Chemical group 0.000 claims description 3
- 229910052714 tellurium Chemical group 0.000 claims description 3
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical group [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 3
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- 125000001424 substituent group Chemical group 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
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- 125000000623 heterocyclic group Chemical group 0.000 description 15
- 229910052757 nitrogen Inorganic materials 0.000 description 13
- 239000011734 sodium Substances 0.000 description 13
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 12
- 239000002019 doping agent Substances 0.000 description 11
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 10
- 229910052783 alkali metal Inorganic materials 0.000 description 10
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 10
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- 230000000052 comparative effect Effects 0.000 description 9
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- 125000005561 phenanthryl group Chemical group 0.000 description 9
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 9
- CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 239000012043 crude product Substances 0.000 description 8
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000004528 spin coating Methods 0.000 description 8
- 150000004696 coordination complex Chemical class 0.000 description 7
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- 238000000151 deposition Methods 0.000 description 7
- 230000005684 electric field Effects 0.000 description 7
- 125000005956 isoquinolyl group Chemical group 0.000 description 7
- 125000001624 naphthyl group Chemical group 0.000 description 7
- 239000012044 organic layer Substances 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 7
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical class C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 7
- BWHDROKFUHTORW-UHFFFAOYSA-N tritert-butylphosphane Chemical compound CC(C)(C)P(C(C)(C)C)C(C)(C)C BWHDROKFUHTORW-UHFFFAOYSA-N 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 6
- 229910052792 caesium Inorganic materials 0.000 description 6
- 125000000753 cycloalkyl group Chemical group 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical compound C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 6
- YNHIGQDRGKUECZ-UHFFFAOYSA-N dichloropalladium;triphenylphosphanium Chemical compound Cl[Pd]Cl.C1=CC=CC=C1[PH+](C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1[PH+](C=1C=CC=CC=1)C1=CC=CC=C1 YNHIGQDRGKUECZ-UHFFFAOYSA-N 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 6
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 6
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 150000003613 toluenes Chemical class 0.000 description 6
- PKJBWOWQJHHAHG-UHFFFAOYSA-N 1-bromo-4-phenylbenzene Chemical group C1=CC(Br)=CC=C1C1=CC=CC=C1 PKJBWOWQJHHAHG-UHFFFAOYSA-N 0.000 description 5
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- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 150000001454 anthracenes Chemical class 0.000 description 5
- 125000000732 arylene group Chemical group 0.000 description 5
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- 229940125904 compound 1 Drugs 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
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- 229960003540 oxyquinoline Drugs 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
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- 238000005215 recombination Methods 0.000 description 5
- 230000006798 recombination Effects 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 5
- 125000003107 substituted aryl group Chemical group 0.000 description 5
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- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
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- 208000002991 Ring chromosome 4 syndrome Diseases 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
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- 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 4
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- ZXHUJRZYLRVVNP-UHFFFAOYSA-N dibenzofuran-4-ylboronic acid Chemical compound C12=CC=CC=C2OC2=C1C=CC=C2B(O)O ZXHUJRZYLRVVNP-UHFFFAOYSA-N 0.000 description 4
- 125000001072 heteroaryl group Chemical group 0.000 description 4
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- 229910010272 inorganic material Inorganic materials 0.000 description 4
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- 125000001715 oxadiazolyl group Chemical group 0.000 description 4
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 4
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- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
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- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 3
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- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 3
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- 125000001041 indolyl group Chemical group 0.000 description 3
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 3
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- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 3
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- VVJKKWFAADXIJK-UHFFFAOYSA-N Allylamine Chemical compound NCC=C VVJKKWFAADXIJK-UHFFFAOYSA-N 0.000 description 2
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- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
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- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
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- 125000006269 biphenyl-2-yl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C1=C(*)C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000002529 biphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C12)* 0.000 description 1
- UORVGPXVDQYIDP-BJUDXGSMSA-N borane Chemical class [10BH3] UORVGPXVDQYIDP-BJUDXGSMSA-N 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 125000005997 bromomethyl group Chemical group 0.000 description 1
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- KOPBYBDAPCDYFK-UHFFFAOYSA-N caesium oxide Chemical compound [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 description 1
- 229910001942 caesium oxide Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 125000002837 carbocyclic group Chemical group 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 1
- 238000010549 co-Evaporation Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000009918 complex formation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate group Chemical group [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000002933 cyclohexyloxy group Chemical group C1(CCCCC1)O* 0.000 description 1
- 125000001887 cyclopentyloxy group Chemical group C1(CCCC1)O* 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- DSSBJZCMMKRJTF-UHFFFAOYSA-N dibenzofuran-2-ylboronic acid Chemical compound C1=CC=C2C3=CC(B(O)O)=CC=C3OC2=C1 DSSBJZCMMKRJTF-UHFFFAOYSA-N 0.000 description 1
- GOXNHPQCCUVWRO-UHFFFAOYSA-N dibenzothiophen-4-ylboronic acid Chemical compound C12=CC=CC=C2SC2=C1C=CC=C2B(O)O GOXNHPQCCUVWRO-UHFFFAOYSA-N 0.000 description 1
- 125000004915 dibutylamino group Chemical group C(CCC)N(CCCC)* 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- 125000000532 dioxanyl group Chemical group 0.000 description 1
- 125000004914 dipropylamino group Chemical group C(CC)N(CCC)* 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000006575 electron-withdrawing group Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000000031 ethylamino group Chemical group [H]C([H])([H])C([H])([H])N([H])[*] 0.000 description 1
- 125000004705 ethylthio group Chemical group C(C)S* 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 description 1
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- 239000007850 fluorescent dye Substances 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- XBOHKUPCELBZPH-UHFFFAOYSA-N furan-2,3-diamine Chemical class NC=1C=COC=1N XBOHKUPCELBZPH-UHFFFAOYSA-N 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003707 hexyloxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 125000005462 imide group Chemical group 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
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- 239000007791 liquid phase Substances 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- 125000003564 m-cyanobenzyl group Chemical group [H]C1=C([H])C(=C([H])C(C#N)=C1[H])C([H])([H])* 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 125000006178 methyl benzyl group Chemical group 0.000 description 1
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- OKQIEBVRUGLWOR-UHFFFAOYSA-N n-naphthalen-1-ylacetamide Chemical compound C1=CC=C2C(NC(=O)C)=CC=CC2=C1 OKQIEBVRUGLWOR-UHFFFAOYSA-N 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
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- AODWRBPUCXIRKB-UHFFFAOYSA-N naphthalene perylene Chemical group C1=CC=CC2=CC=CC=C21.C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 AODWRBPUCXIRKB-UHFFFAOYSA-N 0.000 description 1
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- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
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- UMRZSTCPUPJPOJ-KNVOCYPGSA-N norbornane Chemical compound C1C[C@H]2CC[C@@H]1C2 UMRZSTCPUPJPOJ-KNVOCYPGSA-N 0.000 description 1
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- 239000011368 organic material Substances 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
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- 125000006503 p-nitrobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1[N+]([O-])=O)C([H])([H])* 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
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 1
- 125000000538 pentafluorophenyl group Chemical group FC1=C(F)C(F)=C(*)C(F)=C1F 0.000 description 1
- 125000004115 pentoxy group Chemical group [*]OC([H])([H])C([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 125000003356 phenylsulfanyl group Chemical group [*]SC1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical class 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 1
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 150000004032 porphyrins Chemical group 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000004309 pyranyl group Chemical class O1C(C=CC=C1)* 0.000 description 1
- 150000003220 pyrenes Chemical class 0.000 description 1
- 125000005548 pyrenylene group Chemical group 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 125000005649 substituted arylene group Chemical group 0.000 description 1
- 125000005346 substituted cycloalkyl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- IFLREYGFSNHWGE-UHFFFAOYSA-N tetracene Chemical compound C1=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C21 IFLREYGFSNHWGE-UHFFFAOYSA-N 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M thiocyanate group Chemical group [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 150000004882 thiopyrans Chemical class 0.000 description 1
- NZFNXWQNBYZDAQ-UHFFFAOYSA-N thioridazine hydrochloride Chemical compound Cl.C12=CC(SC)=CC=C2SC2=CC=CC=C2N1CCC1CCCCN1C NZFNXWQNBYZDAQ-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- JFLKFZNIIQFQBS-FNCQTZNRSA-N trans,trans-1,4-Diphenyl-1,3-butadiene Chemical group C=1C=CC=CC=1\C=C\C=C\C1=CC=CC=C1 JFLKFZNIIQFQBS-FNCQTZNRSA-N 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000004784 trichloromethoxy group Chemical group ClC(O*)(Cl)Cl 0.000 description 1
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 1
- 125000005034 trifluormethylthio group Chemical group FC(S*)(F)F 0.000 description 1
- 125000003652 trifluoroethoxy group Chemical group FC(CO*)(F)F 0.000 description 1
- 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 1
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical class C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 1
- NHDIQVFFNDKAQU-UHFFFAOYSA-N tripropan-2-yl borate Chemical compound CC(C)OB(OC(C)C)OC(C)C NHDIQVFFNDKAQU-UHFFFAOYSA-N 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D333/76—Dibenzothiophenes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
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Definitions
- Aromatic amine amine derivatives and organic electoluminescence devices using them are aromatic amine amine derivatives and organic electoluminescence devices using them.
- the present invention relates to an aromatic amine derivative and an organic electoluminescence (EL) device using the same, and in particular, by using an aromatic amine derivative having a specific substituent as a hole transport material.
- the present invention relates to an aromatic amine derivative that suppresses crystallization, improves the yield in manufacturing an organic EL device, improves the lifetime of the organic EL device, and realizes it.
- An organic EL element is a self-luminous element that utilizes the principle that a fluorescent substance emits light by recombination energy of holes injected from an anode and electrons injected from a cathode by applying an electric field. .
- Tang et al Used tris (8-quinolinolato) aluminum for the light-emitting layer and triphenyldiamin derivative for the hole-transporting layer.
- the advantages of the stacked structure are that it increases the efficiency of hole injection into the light-emitting layer, increases the efficiency of exciton generation by recombination by blocking electrons injected from the cathode, and generates in the light-emitting layer. For example, confining excitons.
- the device structure of the organic EL device is a two-layer type of hole transport (injection) layer, electron transport light-emitting layer, or hole transport (injection) layer, light-emitting layer, electron transport (injection) layer
- the three-layer type is well known.
- the element structure and the formation method have been devised in order to increase the recombination efficiency of injected holes and electrons.
- Patent Document 3 describes an aromatic amine derivative having an asymmetric structure, but does not describe any specific features of the asymmetric compound.
- Patent Document 4 describes an asymmetric aromatic amine derivative having phenanthrene as an example, but it is treated in the same way as a symmetric compound and does not describe any characteristics of the asymmetric compound. Absent.
- Patent Document 5 describes a method for producing an aromatic amine derivative having an asymmetric structure, but does not describe the characteristics of the asymmetric compound.
- Patent Document 6 only exemplifies a compound having a powerful rubazole having a description of a thermally stable asymmetric compound having a high glass transition temperature.
- Patent Documents 7 to 13 which have a structure having dibenzofuran in the central skeleton of the diamine compound.
- patents 14 to 15 which are monoamine compounds.
- Patent Documents 8 to 12 are only illustrated as specific examples, and Patent Documents 7 and 14 are only used as photoconductors although they are actually implemented.
- Patent Document 1 U.S. Pat.No. 4,720,432
- Patent Document 2 U.S. Pat.No. 5, 061, 569
- Patent Document 3 JP-A-8-48656
- Patent Document 4 Japanese Patent Laid-Open No. 11-135261
- Patent Document 5 Japanese Patent Laid-Open No. 2003-171366
- Patent Document 6 U.S. Patent No. 6, 242, 115
- Patent Document 7 Patent No. 2501198
- Patent Document 8 Patent No. 2879370
- Patent Document 9 Patent No. 3508984
- Patent Document 10 Japanese Patent Laid-Open No. 5-34957
- Patent Document 11 JP-A-7-287408
- Patent Document 12 Patent No. 3114445
- Patent Document 13 JP-A-2005-112765
- Patent Document 14 Patent No. 3248627
- Patent Document 15 Japanese Patent Laid-Open No. 2001-288462
- the present invention has been made to solve the above-described problems, and realizes an organic EL device having a long lifetime and improved yield in manufacturing an organic EL device, in which molecules are hardly crystallized. It is an object to provide an aromatic amine derivative.
- novel aromatic amine derivative having a specific substituent represented by (1) is used as a material for an organic EL device, particularly as a hole transport material, it has been found that the above-mentioned problems can be solved, and the present invention It came to complete.
- the amine unit having a specific substituent is represented by the general formula (2) or the general formula (3).
- the present inventors have found that an amino group substituted with an aryl group having a furan structure is suitable. Since this amine unit is sterically hindered, the interaction between molecules is small, so crystallization is suppressed, the yield of manufacturing the organic EL device is improved, and the lifetime of the resulting organic EL device is extended. In particular, it was found that a remarkable long-life effect can be obtained by combining with a blue light emitting element.
- the present invention provides an aromatic amine derivative represented by the following general formula (1).
- R is a hydrogen atom, a substituted or unsubstituted aryl group having 5 to 50 nuclear atoms, a substituted
- a is an integer from 0 to 4
- b is an integer from 1 to 3.
- a plurality of R's are bonded to each other and may be substituted with a saturated or unsaturated 5-membered ring or
- At least one of Ar to Ar is represented by the following general formula (2) or (3).
- R and R are each independently selected from the same groups as R in the general formula (1).
- X is oxygen, sulfur, selenium or tellurium.
- c is an integer from 0 to 6
- d is an integer from 0 to 3
- e is an integer from 1 to 3.
- a plurality of Rs or Rs may be bonded to each other and substituted with saturated or unsaturated 5
- R to R are each independently selected from the same groups as R in the general formula (1).
- X is an oxygen or sulfur atom.
- f and h are each an integer from 0 to 4
- g is an integer from 0 to 3
- i is an integer from 1 to 3.
- a plurality of R or R or R are bonded to each other and substituted with saturated or unsaturated.
- the present invention provides an aromatic amine derivative represented by the following general formula (5).
- Ar to Ar that are not general formula (3) are each independently
- Hydrogen atom substituted or unsubstituted aryl group having 5 to 50 nuclear atoms, substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms, substituted or unsubstituted Aralkyl group having 6 to 50 carbon atoms, substituted or unsubstituted aryloxy group having 5 to 50 carbon atoms, substituted or unsubstituted aryloxy group having 5 to 50 carbon atoms, substituted or unsubstituted carbon atoms 2 to 50 alkoxycarbonyl groups, substituted or unsubstituted amino groups substituted with 5-50 aryl groups, halogen atoms, cyan groups, nitro groups, hydroxyl groups, or carboxyl groups. ]
- the present invention provides an organic EL device in which an organic thin film layer having at least one or more light-emitting layers including a light emitting layer is sandwiched between a cathode and an anode, and at least one layer force of the organic thin film layer
- the present invention provides an organic EL device containing an amine derivative alone or as a component of a mixture.
- the aromatic amine derivative of the present invention and the organic EL device using the same are improved in yield when producing an organic EL device in which molecules are difficult to crystallize, and have a long life.
- the aromatic amine derivative of the present invention is represented by the following general formula (1).
- R is a hydrogen atom, a substituted or unsubstituted nucleus atom number 5-50.
- Reel group substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, substituted or unsubstituted An alkoxy group having 1 to 50 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 50 carbon atoms, a substituted or unsubstituted aryloxy group having 5 to 50 nuclear atoms, a substituted or unsubstituted nucleus atom having 5 to 50 Arylthio group, substituted or unsubstituted alkoxycarbonyl group having 2 to 50 carbon atoms, substituted or unsubstituted aryl group substituted with 5 to 50 aryl groups, halogen atom, cyano group, nitro group, hydroxyl group Group or carboxyl group.
- At least one of Ar to Ar is represented by the following general formula (2) or (3)
- R and R are each independently R and R in the general formula (1).
- X is oxygen, sulfur, selenium or tellurium, preferably oxygen or a sulfur atom, more preferably an oxygen atom.
- R to R are independently the same as R in the general formula (1).
- X is an oxygen or sulfur atom, preferably an oxygen atom.
- aryl group of R to R in the general formulas (1) to (3) include a phenol group, 1-na
- a phenyl group, a naphthyl group, a biphenyl group, an anthranyl group, a phenanthryl group, a pyrel group, a chrysyl group, a fluoranthur group, and a fluorine group are preferable.
- Examples of the alkyl group represented by R to R in the general formulas (1) to (3) include a methyl group and an ethyl group.
- R to R alkoxy groups are groups represented by OY,
- Examples of the aralkyl group of R to R in the general formulas (1) to (3) include a benzyl group, 1
- R to R arylothio groups are represented by —SY ′, and Y ′ is an example.
- R to R alkoxycarbonyl groups are represented by COOY.
- Examples of Y include the same examples as those described above for the alkyl group.
- the aryl in the amino group substituted with the R to R aryl group are the same examples as those described above for the alkyl group.
- R to R halogen atoms include fluorine and chlorine atoms.
- a is an integer of 0 to 4
- b is an integer of 1 to 3, and preferably 2.
- Multiple Rs may be bonded to each other to be saturated or unsaturated
- c is an integer of 0 to 6
- d is an integer of 0 to 3
- e is an integer of 1 to 3, preferably 1.
- f and h are each an integer of 0 to 4
- g is an integer of 0 to 3
- i is an integer of 1 to 3, preferably 1.
- a plurality of R or R or Rs are mutually
- a 5-membered or 6-membered ring structure may be formed.
- Examples of the 5-membered or 6-membered cyclic structure that may be formed include cycloalkanes having 4 to 12 carbon atoms such as cyclopentane, cyclohexane, adamantane, norbornane, cyclopentene, cyclohexene and the like. C4-C12 cycloalkene, cyclopentagen, cyclohexagen, etc.C6-C12 cycloalkadiene, benzene, naphthalene, phenanthrene, anthracene, pyrene, tarisene, acenaphthylene, etc. And aromatic rings.
- the total number of carbon atoms excluding substituents is 42 or more, and preferably 54 or more, more preferably 60 to 80.
- the aromatic amine derivative of the present invention preferably has Ar and Ar in the general formula (1).
- b is 2 in the general formula (1).
- f is 1 in the general formula (2).
- i is preferably 1.
- X in the general formula (2) is preferably an oxygen atom.
- the aromatic amine derivative of the present invention preferably has Ar in the general formula (1) as follows:
- R is selected from the same groups as R in the general formula (1).
- Examples of the body include the same examples as R to R in the general formulas (1) to (3).
- Saturated or unsaturated substituted ⁇ may form a 5-membered or 6-membered ring structure.
- k is 2 or more and j is not 0, multiple Rs are bonded together and saturated or unsaturated.
- Ar and Ar each independently represent the general formula (3), substituted or unsubstituted nuclear carbon number 6 to
- a 50 aryl group or a substituted or unsubstituted aromatic heterocyclic group having 5 to 50 nuclear carbon atoms are the same as those of R to R aryl groups.
- the aromatic amine derivative of the present invention is preferably Ar and Ar in the general formula (1).
- Arj in general formula (5), at least one of Ar to Ar is represented by general formula (3), and A
- r to Ar that are not represented by general formula (3) are each independently a hydrogen atom
- Substituted aryl group having 5 to 50 nuclear atoms substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms, substituted or unsubstituted carbon number 6 to 50 aralkyl groups, substituted or unsubstituted aryloxy groups having 5 to 50 nuclear atoms, substituted or unsubstituted aryloxy groups having 5 to 50 nuclear atoms, substituted or unsubstituted alkoxycarbocarbons having 2 to 50 carbon atoms Or an amino group substituted with a substituted or unsubstituted aryl group having 5 to 50 nucleus atoms, a halogen atom, a cyano group, a nitro group, a hydroxyl group, or a carboxyl group. Specific examples of these are the same as the examples of R to R.
- the aromatic amine derivative of the present invention is preferably a material for an organic electoluminescence device.
- the aromatic amine derivative of the present invention is preferably a hole transport material for an organic electoluminescence device.
- the aromatic amine derivative of the present invention is preferably a hole injection material for organic electoluminescence device.
- the aromatic amine derivative of the present invention is preferably a material having both functions of a hole injection material and a hole transport material for an organic electoluminescence device.
- the organic electroluminescent device of the present invention is an organic electroluminescent device in which an organic thin film layer composed of one or more layers including at least a light emitting layer is sandwiched between a cathode and an anode. It is preferable that at least one layer contains the aromatic amine derivative of the present invention alone or as a component of a mixture.
- the aromatic amine of the present invention is a hole. It is preferred to be contained in the transport layer.
- the organic electoluminescence device of the present invention is preferably such that the aromatic amine of the present invention is contained in a hole injection layer.
- the organic electoluminescence device of the present invention preferably contains styrylamine and Z or arylamine in the light emitting layer.
- the organic electoluminescence device of the present invention preferably emits blue light.
- aromatic amine derivative represented by the general formula (1) of the present invention are shown below, but are not limited to these exemplified compounds.
- the organic EL device of the present invention is an organic EL device in which an organic thin film layer composed of one or more layers including at least a light emitting layer is sandwiched between a cathode and an anode, and at least one layer of the organic thin film layer is
- the organic thin film layer has a hole transport layer, and the hole transport layer is a single compound of the aromatic amine derivative of the present invention. Alternatively, it is preferably contained as a component of the mixture. Further, the hole transport layer contains the aromatic amine derivative of the present invention as a main component. I like it.
- the aromatic amine derivative of the present invention is particularly preferably used for an organic EL device emitting blue light.
- the light emitting layer preferably contains an arylamine compound and Z or a styrylamine compound.
- arylamine compounds include compounds represented by the following general formula (I), and examples of styrylamine compounds include compounds represented by the following general formula ( ⁇ ).
- Ar represents fuel, biphenyl, terfel, stilbene, distyryl.
- Ar and Ar are each a hydrogen atom or 6 carbon atoms.
- p is an integer from 1 to 4.
- the aromatic group having 6 to 20 carbon atoms is preferably a phenyl group, a naphthyl group, an anthryl group, a phenanthryl group, a terfel group, or the like.
- Ar to Ar are optionally substituted aryl groups having 5 to 40 nuclear carbon atoms.
- q is an integer from 1 to 4.
- aryl groups having 5 to 40 nuclear atoms include phenyl, naphthyl, anthryl, phenanthryl, pyrenyl, coloninole, biphenyl, terphenyl, pyrrolyl, furanyl, thiophenyl, benzothiophenyl, oxadiazolyl, diphenyl Niluanthranil Nyldol, carbazolyl, pyridyl, benzoquinolyl, fluoranthenyl, acenaphthofluoranthur, stilbene and the like are preferable.
- the aryl group having 5 to 40 nucleus atoms may be further substituted with a substituent.
- Examples of the preferable substituent include an alkyl group having 1 to 6 carbon atoms (ethyl group, methyl group, i-propyl group). Group, n-propyl group, s butyl group, t-butyl group, pentyl group, hexyl group, cyclopentyl group, cyclohexyl group, etc.), alkoxy group having 1 to 6 carbon atoms (ethoxy group, methoxy group, i —Propoxy group, n-propoxy group, s butoxy group, t-butoxy group, pentoxy group, hexyloxy group, cyclopentoxy group, cyclohexyloxy group, etc.), aryl group having 5 to 40 atomic atoms, number of nuclear atoms An amino group substituted with an aryl group of 5 to 40, an ester group having an aryl group of 5 to 40 nuclear atoms, an ester group having an alkyl group of 1 to 6 carbon
- the aromatic amine derivative of the present invention can be used in any organic thin film layer of an organic EL device, and can be used in a light emission band or a hole transport band, preferably a hole transport band, particularly preferably a hole transport. By using it as a layer, the yield when manufacturing an organic EL device in which molecules are difficult to crystallize is improved.
- Aromatic Amin derivatives of the present invention the amount to be contained in the organic thin film layer,. 30 to: LOO mol 0/0 are preferred.
- the organic EL device of the present invention is manufactured on a light-transmitting substrate.
- the translucent substrate mentioned here is a substrate that supports the organic EL device, and a smooth substrate with a light transmittance in the visible region of 400 to 700 nm of 50% or more is preferable.
- a glass plate, a polymer plate, etc. are mentioned.
- the glass plate include soda-lime glass, norlium strontium-containing glass, lead glass, aluminosilicate glass, borosilicate glass, norium borosilicate glass, and quartz.
- the polymer plate include polycarbonate, acrylic, polyethylene terephthalate, polyethersulfide, and polysulfone.
- the anode of the organic EL device of the present invention has a function of injecting holes into the hole transport layer or the light emitting layer, and it is effective to have a work function of 4.5 eV or more.
- Specific examples of the anode material used in the present invention include indium tin oxide alloy (ITO), acid-tin tin (NE SA), indium-zinc oxide (IZO), gold, silver, platinum, copper, and the like. Can be mentioned.
- the anode can be produced by forming a thin film of these electrode materials by a method such as vapor deposition or sputtering.
- the transmittance of the anode for light emission is greater than 10%.
- the sheet resistance of the anode is preferably several hundred ⁇ or less.
- the film thickness of the anode is a force depending on the material. Usually, it is selected in the range of 10 nm to l ⁇ m, preferably 10 to 200 nm.
- the light emitting layer of the organic EL device has the following functions (1) to (3).
- Injection function Function that can inject holes from the anode or hole injection layer when an electric field is applied, and can inject electrons from the cathode or electron injection layer
- Transport function Function to move injected charges (electrons and holes) by the force of electric field
- Light emission function A function to provide a field for recombination of electrons and holes and connect this to light emission.However, there is no difference between the ease of hole injection and the ease of electron injection.
- the transport capacity expressed by the mobility of holes and electrons may be large or small, but it is preferable to move one of the charges.
- the light emitting layer is particularly preferably a molecular deposited film.
- the molecular deposition film is a thin film formed by deposition from a material compound in a gas phase state or a film formed by solidification from a material compound in a solution state or a liquid phase state.
- a film can be classified from a thin film (accumulated film) formed by the LB method by the difference in aggregated structure and higher-order structure and functional differences resulting from it.
- a binder such as rosin and a material compound are dissolved in a solvent to form a solution, which is then thin-filmed by spin coating or the like.
- the light emitting layer can also be formed by twisting.
- a known light-emitting material other than the light-emitting material comprising the aromatic amine derivative of the present invention may be contained in the light-emitting layer as desired, as long as the object of the present invention is not impaired.
- a light emitting layer containing another known light emitting material may be laminated on the light emitting layer containing the light emitting material comprising the aromatic amine derivative of the present invention.
- Examples of the light-emitting material or doping material that can be used in the light-emitting layer together with the aromatic amine derivative of the present invention include, for example, anthracene, naphthalene, phenanthrene, pyrene, tetracene, coronene, taricene, funorescein, perylene, lid-perylene, naphtha-mouth Perylene, perinone, lidar perinone, naphtalin perinone, diphenylbutadiene, tetraphenylbutadiene, coumarin, oxazirazole, aldazine, bisbenzoxazoline, bisstyryl, pyrazine, cyclopentagen, quinoline metal complex, aminoquinoline metal complex, benzo Quinoline Examples include, but are not limited to, metal complexes, imines, diphenylethylenes, buranthracenes, diaminocarbazoles, pyrans, thiopyrans
- Ar is a substituted or unsubstituted condensed aromatic group having 10 to 50 nuclear carbon atoms.
- Ar is a substituted or unsubstituted aromatic group having 6 to 50 nuclear carbon atoms.
- X is a substituted or unsubstituted aromatic group having 6 to 50 nuclear carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 5 to 50 nuclear atoms, or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- a, b and c are each an integer of 0-4.
- n is an integer of 1 to 3. When n is 2 or more, the values in [] may be the same or different. )
- ⁇ ! ⁇ Is independently a hydrogen atom, a substituted or unsubstituted aromatic ring group having 6 to 50 nuclear carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 5 to 50 nuclear atoms, a substituted or unsubstituted Is an unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 50 carbon atoms, Substituted or unsubstituted aryloxy group having 5 to 50 nuclear atoms, substituted or unsubstituted aryloxy group having 5 to 50 nuclear atoms, substituted or unsubstituted alkoxycarbo group having 1 to 50 carbon atoms, substituted or unsubstituted Substituted
- Ar and Ar are substituted or unsubstituted aromatic groups having 6 to 50 nuclear carbon atoms, respectively. It is.
- L and L are each a substituted or unsubstituted phenylene group, a substituted or unsubstituted naphthalene group, a substituted or unsubstituted fluorenylene group, or a substituted or unsubstituted dibenzosilolylene group.
- n is an integer from 1 to 4
- s is an integer from 0 to 2
- t is an integer from 0 to 4.
- L or Ar is bonded to any of the 1-5 positions of pyrene, and L or Ar, is bonded to any of the 6-10 positions of pyrene.
- each of A 1 and each independently represents a substituted or unsubstituted aromatic ring group having 10 nuclear carbon atoms.
- Ar 1 and Ar 2 are each independently a hydrogen atom or a substituted or unsubstituted aromatic ring group having 6 to 50 nuclear carbon atoms.
- R 1 -I ⁇ each independently represents a hydrogen atom, a substituted or unsubstituted aromatic ring group having 6 to 50 nuclear carbon atoms, a substituted or unsubstituted aromatic heterocyclic group having 5 to 50 nuclear atoms, or a substituted group.
- Substituted or unsubstituted aryloxy group having 5 to 50 nuclear atoms substituted or unsubstituted aryloxy group having 5 to 50 nucleus atoms, substituted or unsubstituted alkoxycarbo group having 1 to 50 carbon atoms, substituted or An unsubstituted silyl group, a carboxyl group, a halogen atom, a cyano group, a nitro group or a hydroxyl group.
- Ar 2 , R 9 and R 1Q may be plural or adjacent to each other to form a saturated or unsaturated cyclic structure.
- ⁇ to 1 ⁇ ° are independently hydrogen atom, alkyl group, cycloalkyl group, optionally substituted aryl group, alkoxyl group, aryloxy group, alkylamino group, alkyl group, aryl group
- a and b each represent an integer of 1 to 5, and when they are 2 or more, R 1 s or R 2 s are the same or different in each case R 1 or R 2 may be combined to form a ring, R 3 and R 4 , R 5 and R 6 , R 7 and R 8 , R 9 and R 1 (> Is connected to each other to form a ring Also good.
- L 1 represents a single bond, -0-, -S-, —N (R) — (R is an alkyl group or an optionally substituted aryl group), an alkylene group or an arylene group. )
- R u to! ⁇ are each independently a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an alkoxyl group, an aryloxy group, an alkylamino group, an arylamino group, or a plurality of which may be substituted.
- Cd, e and f each represent an integer of 1 to 5, and when they are 2 or more, R 11 to each other, R 12 to each other, R 16 to each other or R 17 to each other, It may be the same or different, and R 11 , R 12 , R 16, or R 17 may combine to form a ring, or R 13 and R 14 , R 18 and R 19 L 2 is a single bond, —O—, 1 S—, — N (R) — (R is an alkyl group or an optionally substituted aryl group) ), An alkylene group or an arylene group.
- a 5 to A 8 are each independently a substituted or unsubstituted biphenyl group or a substituted or unsubstituted naphthyl group.
- R 21 to R 23 are each independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, or 1 carbon atom. ⁇ 6 alkoxyl group, C5-C18 aryloxy group, C7-C18 aralkyloxy group, C5-C16 aryloyl group, nitro group, cyano group, C1-C6 ester group or halogen An atom, and at least one of A 9 to A 14 is a group having three or more condensed aromatic rings.
- R and R are hydrogen atoms, substituted or unsubstituted alkyl groups, substituted or
- R and R bonded to may be the same or different.
- R and R are hydrogen
- R and R bonded to the same fluorene group may be the same or different.
- 3 4 1 and Ar are substituted or unsubstituted condensed polycyclic aromatics with a total of 3 or more benzene rings
- n an integer of 1 to 10.
- anthracene derivatives are preferable, monoanthracene derivatives are more preferable, and asymmetric anthracene is particularly preferable.
- a phosphorescent compound can also be used as the dopant light-emitting material.
- a compound containing a force rubazole ring as a host material is preferable.
- the dopant is a compound capable of emitting triplet exciton force, and is not particularly limited as long as it also emits triplet exciton force, but also has Ir, Ru, Pd, Pt, Os, and Re forces.
- Group force At least one selected A borphyrin metal complex or an ortho metal ⁇ metal complex, which is preferably a metal complex containing two metals, is preferred.
- a host suitable for phosphorescence emission with a compound power containing a strong rubazole ring is a compound having the function of emitting a phosphorescent compound as a result of energy transfer from its excited state to the phosphorescent compound. is there.
- the host compound is not particularly limited as long as it is a compound that can transfer the exciton energy to the phosphorescent compound, and can be appropriately selected according to the purpose. It may have an arbitrary heterocyclic ring in addition to the force rubazole ring.
- host compounds include force rubazole derivatives, triazole derivatives, oxazole derivatives, oxaziazole derivatives, imidazole derivatives, polyarylalkane derivatives, pyrazoline derivatives, pyrazolone derivatives, furan diamine derivatives, arylamine derivatives , Amino-substituted chalcone derivatives, styrylanthracene derivatives, fluorenone derivatives, hydrazone derivatives, stilbene derivatives, silazane derivatives, aromatic tertiary amine compounds, styrylamine compounds, aromatic dimethylidene compounds, porphyrin compounds, anthraquinodis Methane derivatives, anthrone derivatives, diphenylquinone derivatives, thiobilane dioxide derivatives, carpositimide derivatives, fluorenylidenemethane derivatives, Metal complexes of styryl birazine derivatives, heterocyclic te
- the phosphorescent dopant is a compound capable of emitting triplet exciton power.
- the triplet exciton force is not particularly limited as long as it emits light, but a group complex of Ir, Ru, Pd, Pt, Os, and Re force is preferably a metal complex containing at least one selected metal, and is preferably a porphyrin metal complex or ortho metal ion. ⁇ Metal complexes are preferred.
- the porphyrin metal complex is preferably a porphyrin platinum complex.
- the phosphorescent compound may be used alone or in combination of two or more.
- ligands that form ortho-metal ⁇ metal complexes
- preferred ligands include 2-phenylpyrrolidine derivatives, 7,8-benzoquinoline derivatives, 2- (2 (Chayl) pyridine derivatives, 2- (1 naphthyl) pyridine derivatives, 2-phenolquinoline derivatives and the like. These derivatives may have a substituent as necessary. In particular, fluorinated compounds and trifluoromethyl groups introduced are preferred as blue dopants. Furthermore, it may have a ligand other than the above ligands such as acetylacetonate and picric acid as an auxiliary ligand.
- the content of the phosphorescent dopant in the light-emitting layer is a force that can be appropriately selected according to the purpose of restriction, for example, 0.1 to 70% by mass, and 1 to 30% by mass. preferable. If the phosphorescent emissive compound content is less than 0.1% by mass, the light emission is weak and the effect of the content is not fully exhibited. If the content exceeds 70% by mass, a phenomenon called concentration quenching is prominent. The device performance deteriorates.
- the light emitting layer may contain a hole transport material, an electron transport material, and a polymer binder as necessary.
- the thickness of the light emitting layer is preferably 5 to 50 nm, more preferably 7 to 50 nm, and most preferably 10 to 50 nm. If the thickness is less than 5 nm, it is difficult to form a light emitting layer, and it may be difficult to adjust the chromaticity. If it exceeds 50 nm, the driving voltage may increase.
- the hole injection 'transport layer is a layer that helps injecting holes into the light emitting layer and transports it to the light emitting region, and has a high ion mobility with a high hole mobility, usually less than 5.5 eV.
- a hole injection / transport layer a material that transports holes to the light-emitting layer with a lower electric field strength is preferable.
- the mobility force of holes is, for example, 10 4 to: when an electric field of L0 6 VZcm is applied. At least 10 4 cm 2 ZV ⁇ sec is preferred! /.
- the aromatic amine derivative of the present invention when used in a hole transport zone, the aromatic amine derivative of the present invention alone may be used as a hole injection or transport layer, or may be mixed with other materials. Yes.
- the material for forming the hole injection / transport layer by mixing with the aromatic amine derivative of the present invention is not particularly limited as long as it has the above-mentioned preferred properties. Any one of those commonly used as charge transport materials and known materials used for hole injection / transport layers of organic EL devices can be selected and used. Specific examples include triazole derivatives (see US Pat. No. 3,112,197), oxadiazole derivatives (see US Pat. No. 3,189,447), imidazole derivatives (Japanese Patent Publication No. 37-16096). Polyarylalkane derivatives (US Pat. Nos.
- the above-mentioned materials can be used. Volphiline compounds (disclosed in JP-A-63-29556965, etc.), aromatic tertiary amine compounds And styrylamine compounds (US Pat. No. 4,127,412, JP-A 53-27033, 54-58445, 54-149634, 54-64299) No. 55-79450, No. 55-144250, No. 56-119132, No. 61-295558, No. 61-98353, No. 63-295695, etc.), especially fragrance It is preferable to use a group III tertiary amine compound.
- inorganic compounds such as p-type Si and p-type SiC can be used as the material for the hole injection / transport layer in addition to the above-mentioned aromatic dimethylidin-based compounds shown as the material for the light emitting layer.
- R m to R 126 each represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted heterocyclic group.
- R m to R 126 may be the same or different.
- R m and R 122, R 122 and R m, R 123 and R, R 124 and R 125, R 125 and R 126, and R 126 and R m may form a condensed ring.
- R131 to R136 are substituents, preferably an electron-withdrawing group such as a cyano group, a nitro group, a sulfol group, a carbonyl group, a trifluoromethyl group, or a halogen atom.
- acceptor materials can also be used as the hole injection material. Specific examples thereof are as described above.
- inorganic compounds such as p-type Si and p-type SiC can also be used as the material for the hole injection layer.
- the hole-injecting / transporting layer can be formed by thinning the aromatic amine derivative of the present invention by a known method such as a vacuum deposition method, a spin coating method, a casting method, or an LB method. .
- the thickness of the hole injection / transport layer is not particularly limited, but is usually 5 ⁇ to 5 / ⁇ .
- This hole injection / transport layer may be composed of one or more layers of the above-mentioned materials as long as it contains the aromatic amine derivative of the present invention in the hole transport zone!
- the hole injection / transport layer is made of a compound different from the hole injection / transport layer. It may be.
- a hole injection or electron injection organic semiconductor layer provided as a layer to help Moyogu 10- 1Q SZcm more of the conductivity of the light-emitting layer.
- Examples of the material of such an organic semiconductor layer include thiophene oligomers, conductive oligomers such as allylamin oligomers disclosed in JP-A-8-193191, and conductive properties such as allylamin dendrimers. Dendrimers and the like can be used.
- the electron injection layer 'transport layer is a layer that assists the injection of electrons into the light emitting layer and transports it to the light emitting region.
- the electron mobility is high and the adhesion improving layer is included in the electron injection layer.
- it is a layer having good material strength with good adhesion to the cathode.
- the electron transport layer is appropriately selected with a film thickness of several nm to several m.
- 10 4 to 10 V / cm it is preferred electron mobility when an electric field is applied are the least 10- 5 cm 2 ZVs than.
- 8-hydroxyquinoline or a metal complex of its derivative, oxadiazole derivative is suitable.
- specific examples of the above-mentioned metal complexes of 8-hydroxyquinoline or derivatives thereof include metal chelate oxinoid compounds including chelates of oxine (generally 8-quinolinol or 8-hydroxyquinoline), such as tris (8-quinolinol).
- Aluminum can be used as an electron injection material.
- examples of the oxadiazole derivative include an electron transfer compound represented by the following general formula.
- Ar 1 , Ar 2 , Ar 3 , Ar 5 , Ar 6 , Ar 9 each represents a substituted or unsubstituted aryl group, which may be the same or different from each other.
- Ar 4 , Ar 7 and Ar 8 represent a substituted or unsubstituted arylene group, which may be the same or different.
- the aryl group is a phenyl group, a biphenyl group, an anthryl group, or a perylenyl group. Group, pyrenyl group.
- Examples of the arylene group include a phenylene group, a naphthylene group, a biphenylene group, an anthracene group, a peryleneylene group, and a pyrenylene group.
- examples of the substituent include an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, and a cyan group.
- This electron transfer compound is preferably a film-forming material. Specific examples of the electron-transmitting compound include the following.
- AA 3 is independently a nitrogen atom or a carbon atom.
- Ar 1 is a substituted or unsubstituted aryl group having 6 to 60 nuclear carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 60 nuclear carbon atoms
- Ar 2 is a hydrogen atom, substituted or unsubstituted Aryl group having 6 to 60 nuclear carbon atoms, substituted or unsubstituted heteroaryl group having 3 to 60 nuclear carbon atoms, substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or substituted or unsubstituted carbon number 1 to 20 alkoxy groups, or these divalent groups.
- any one of Ar 1 and Ar 2 is a substituted or unsubstituted condensed ring group having 10 to 60 nuclear carbon atoms, or a substituted or unsubstituted monoheterocondensed ring group having 3 to 60 nuclear carbon atoms. .
- ⁇ L 2 and L are each independently a single bond, a substituted or unsubstituted arylene group having 6 to 60 nuclear carbon atoms, a substituted or unsubstituted heteroarylene group having 3 to 60 nuclear carbon atoms, or a substituted or unsubstituted group. It is a substituted fluorenylene group.
- R is a hydrogen atom, a substituted or unsubstituted aryl group having 6 to 60 nuclear carbon atoms, a substituted or unsubstituted heteroaryl group having 3 to 60 nuclear carbon atoms, or a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms.
- ⁇ is an integer of 0 to 5, and when ⁇ is 2 or more, a plurality of Rs may be the same or different and adjacent to each other
- a plurality of R groups may be bonded to each other to form a carbocyclic aliphatic ring or a carbocyclic aromatic ring. The nitrogen-containing heterocyclic derivative represented by this.
- HAr is a nitrogen-containing heterocycle having 3 to 40 carbon atoms which may have a substituent
- L Has a single bond, an optionally substituted arylene group having 6 to 60 carbon atoms, and a substituent! Or may have a heteroarylene group having 3 to 60 carbon atoms or a substituent! /, May! /,
- a fluorolenylene group, and Ar 1 may have a substituent.
- a divalent aromatic hydrocarbon group having 6 to 60 carbon atoms, and Ar 2 may have an aryl group or substituent having 6 to 60 carbon atoms which may have a substituent.
- X and Y are each independently a saturated or unsaturated hydrocarbon group having 1 to 6 carbon atoms, an alkoxy group, an alkoxy group, an alkyloxy group, a hydroxy group, a substituted or An unsubstituted aryl group, a substituted or unsubstituted heterocyclic ring, or a structure in which X and Y are combined to form a saturated or unsaturated ring, R to R
- alkyl 14 is independently hydrogen, halogen atom, substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, alkoxy group, aryloxy group, perfluoroalkyl group, perfluoroalkoxy group, Amino group, alkyl carboxylic group, aryl carbonyl group, alkoxy carbo yl group, aryl carbonyl group, azo group, alkyl carbo oxy group, aryl carbo oxy group, alkoxy carbo oxy group, ally oxy Carboxyoxy group, sulfyl group, sulfol group, sulfar group, silyl group, strong rubamoyl group, aryl group, heterocyclic group, alkenyl group, alkyl group, nitro group, formyl group , Nitroso group, formyloxy group, isocyano group, cyanate group, isocyanate group, thiocyanate group, isothiocyanate group or
- R to R and Z are each independently a hydrogen atom, saturated or unsaturated carbonization
- a hydrogen group, an aromatic group, a heterocyclic group, a substituted amino group, a substituted boryl group, an alkoxy group or an aryloxy group, and X, Y and Z are each independently a saturated or unsaturated carbonization.
- Z and Z substituents may be bonded to each other to form a condensed ring.
- N is 1.
- Q 1 and Q 2 each independently represent a ligand represented by the following general formula (G), and L represents a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted group.
- L represents a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted group.
- OR ⁇ R 1 is a hydrogen atom, substituted or unsubstituted alkyl group, substituted or unsubstituted cycloalkyl group, substituted Or an unsubstituted aryl group or a substituted or unsubstituted heterocyclic group.
- —O Ga—Q 3 (Q 4 ) Q 3 and Q 4 are the same as Q 1 and Q 2 ).
- rings A 1 and A 2 are 6-membered aryl ring structures condensed with each other which may have a substituent. ]
- This metal complex is strong as an n-type semiconductor and has a high electron injection capability. Furthermore, since the generation energy at the time of complex formation is low, the bond between the metal and the ligand of the formed metal complex is strengthened, and the fluorescence quantum efficiency as a light emitting material is also increasing.
- substituents of the rings A 1 and A 2 forming the ligand of the general formula (G) include chlorine, bromine, iodine, halogen atoms of fluorine, methyl group, ethyl group, propyl group, A substituted or unsubstituted alkyl group such as a methyl group, a s-butyl group, a t-butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group, a stearyl group, or a trichloromethyl group, a phenyl group, a naphthyl group, Substitution of 3-methylphenyl group, 3-methoxyphenyl group, 3-fluorophenyl group, 3-trichloromethylphenol group, 3-trifluoromethylphenyl group, 3-triphenyl group, etc.
- aryl group methoxy group, n -butoxy group, t -butoxy group, trichloromethoxy group, trifluoroethoxy group, pentafluoropropoxy group, 2, 2, 3, 3-terafluro group Lopropoxy group, 1, 1, 1, 3, 3, 3 Hexafluoro 2-propyloxy group, 6- (Perfluoroethyl) Hexyloxy group substituted or unsubstituted alkoxy group, phenoxy group, p-trophenoxy group, p-t-butylphenoxy group, 3- Substituted or unsubstituted aryloxy group such as fluorophenoxy group, pentafluorophenyl group, 3-trifluoromethylphenoxy group, methylthio group, ethylthio group, t-butylthio group, hexylthio group , Octylthio group, trifluoromethylthio group, etc., substituted
- Rubamoyl group carboxylic acid group, sulfonic acid group, imide group, cyclopentane group, cyclohexyl group such as cyclohexyl group, phenol group, naphthyl group, biphenyl group, anthral group, Aryl groups such as phenanthryl groups, fluoro groups, pyrenyl groups, Ridyl group, birazinyl group, pyrimidinyl group, pyridazil group, triazyl group, indolyl group, quinolinyl group, attaridinyl group, pyrrolidyl group, dioxanyl group, piberidyl group, morphidyl group Group, piperazinyl group, triatinyl group, carbazolyl group, furanyl group, thiophenyl group, oxazolyl group, oxadiazolyl group, benzoxazolyl group, thiazolyl group, thiadia
- a preferred form of the organic EL device of the present invention is a device containing a reducing dopant in an electron transporting region or an interface region between the cathode and the organic layer.
- the reducing dopant is defined as a substance capable of reducing the electron transporting compound. Accordingly, various materials can be used as long as they have a certain reducibility, such as alkali metals, alkaline earth metals, rare earth metals, alkali metal oxides, alkali metal halides, alkaline earths.
- preferable reducing dopants include Na (work function: 2.36 eV), K (work function: 2.28 eV), Rb (work function: 2.16 eV), and Cs (work function: 1).
- 95eV) Force is a group force At least one selected alkali metal or Ca (work function: 2.9eV ;), Sr (work function: 2.0 to 2.5 eV), and Ba (work function: 2.52 eV).
- the work function includes at least one alkaline earth metal selected from the group consisting of 2.9 eV. The following are particularly preferred.
- a more preferable reducing dopant is at least one alkali metal selected from the group force consisting of K, Rb and Cs, more preferably Rb or Cs, and most preferably Cs. .
- alkali metals in particular, can improve the emission brightness and extend the life of organic EL devices by adding a relatively small amount to the electron injection region where the reducing ability is high.
- a reducing dopant having a work function of 2.9 eV or less a combination of two or more alkali metals is also preferable. Particularly, combinations containing Cs, for example, Cs and Na, Cs and K, and Cs. A combination of Rb or Cs, Na and ⁇ is preferred. By including Cs in combination, the reducing ability can be efficiently exhibited, and by adding it to the electron injection region, the emission luminance of the organic EL element can be improved and the lifetime can be extended.
- an electron injection layer composed of an insulator or a semiconductor may be further provided between the cathode and the organic layer.
- an insulator at least one metal compound selected from the group consisting of alkali metal chalcogenides, alkaline earth metal chalcogenides, alkali metal halides and alkaline earth metal halides is used. I like it. If the electron injection layer is composed of these alkali metal chalcogenides or the like, it is preferable in that the electron injection property can be further improved.
- preferred alkali metal chalcogenides include, for example, Li 0, K 0, Na S, Na Se, and Na 2 O.
- alkaline earth metal chalcogenides examples include CaO, BaO, Sr 0, BeO, BaS, and CaSe.
- preferable alkali metal halides include, for example, LiF, NaF, KF, LiCl, KC1, and NaCl.
- preferable alkaline earth metal halides include, for example, CaF, BaF, SrF.
- semiconductors constituting the electron transport layer include Ba, Ca, Sr, Yb, Al, Ga, In, Li, Na, Cd, Oxides and nitrides containing at least one element of Mg, Si, Ta, Sb and Zn Alternatively, one kind of acid oxynitride or a combination of two or more kinds may be used.
- the inorganic compound constituting the electron transport layer is preferably a microcrystalline or amorphous insulating thin film. If the electron transport layer is composed of these insulating thin films, a more uniform thin film is formed, so that pixel defects such as dark spots can be reduced. Examples of such inorganic compounds include the alkali metal chalcogenides, alkaline earth metal chalcogenides, alkali metal halides, and alkaline earth metal halides described above.
- the cathode in order to inject electrons into the electron injecting / transporting layer or the light emitting layer, a material having a small work function (4 eV or less) metal, an alloy, an electrically conductive compound, and a mixture thereof is used.
- electrode materials include sodium, sodium 'potassium alloy, magnesium, lithium, magnesium' silver alloy, aluminum / acid aluminum, aluminum 'lithium alloy, indium, and rare earth metals. It is done.
- This cathode can be produced by forming a thin film of these electrode materials by a method such as vapor deposition or sputtering.
- the transmittance for the light emission of the cathode is preferably larger than 10%.
- the sheet resistance as a cathode is several hundred ⁇ or less.
- the preferred film thickness is usually ⁇ ! To 1 m, preferably 50 to 200 nm.
- organic EL devices apply an electric field to ultra-thin films, pixel defects are likely to occur due to leaks and shorts. In order to prevent this, it is preferable to insert an insulating thin film layer between the pair of electrodes.
- Examples of the material used for the insulating layer include: aluminum oxide, lithium fluoride, lithium oxide, cesium fluoride, cesium oxide, magnesium oxide, magnesium fluoride, acid calcium, calcium fluoride, aluminum nitride , Titanium oxide, silicon oxide, germanium oxide, silicon nitride, boron nitride, molybdenum oxide, ruthenium oxide, vanadium oxide, and the like, and mixtures or laminates thereof may be used. [0074] (9) Manufacturing method of organic EL element
- anode By forming the anode, the light-emitting layer, the hole injection 'transport layer, and the electron injection' transport layer as necessary, and the cathode by forming the anode and the light-emitting layer, if necessary, by the materials and formation methods exemplified above, and further forming the cathode
- An element can be manufactured.
- An organic EL element can also be fabricated from the cathode to the anode in the reverse order.
- an organic EL device having a configuration in which an anode, a hole injection layer, a Z light emitting layer, a Z electron injection layer, and a Z cathode are sequentially provided on a light transmitting substrate will be described.
- a thin film made of an anode material is formed on a suitable translucent substrate by a method such as vapor deposition or sputtering so as to have a film thickness of 1 ⁇ m or less, preferably in the range of 10 to 200 nm, to produce an anode.
- a hole injection layer is provided on the anode.
- the hole injection layer can be formed by a vacuum deposition method, a spin coating method, a casting method, an LB method, or the like, but a homogeneous film can be obtained immediately and pinholes are generated. It is preferable to form by a vacuum vapor deposition method.
- the deposition conditions vary depending on the compound used (material of the hole injection layer), the crystal structure and recombination structure of the target hole injection layer, etc.
- the formation of the light-emitting layer in which the light-emitting layer is provided on the hole injection layer is also performed using a desired organic light-emitting material by a method such as vacuum deposition, sputtering, spin coating, or casting.
- a method such as vacuum deposition, sputtering, spin coating, or casting.
- the deposition conditions vary depending on the compound used, but can generally be selected from the same condition range as the hole injection layer.
- an electron injection layer is provided on the light emitting layer.
- a vacuum deposition method because a uniform film is required.
- the vapor deposition conditions can be selected from the same condition ranges as those for the hole injection layer and the light emitting layer.
- the aromatic amine derivative of the present invention differs depending on which layer in the emission band or the hole transport band is contained, but when using the vacuum evaporation method, co-evaporation with other materials is performed. You can. Moreover, when using a spin coat method, it can be included by mixing with other materials.
- a cathode can be stacked to obtain an organic EL device.
- the cathode also has a metallic force, and vapor deposition and sputtering can be used. In order to protect the underlying organic layer from the damage when forming the film, vacuum deposition is preferred. It is preferable to fabricate the organic EL element from the anode to the cathode consistently by a single vacuum.
- the method of forming each layer of the organic EL device of the present invention is not particularly limited. Conventionally known methods such as vacuum deposition and spin coating can be used.
- the organic thin film layer containing the compound represented by the general formula (1) used in the organic EL device of the present invention is a vacuum deposition method, a molecular beam deposition method (MBE method) or a dating method of a solution dissolved in a solvent, It can be formed by a known method such as a spin coating method, a casting method, a bar coating method, or a roll coating method.
- each organic layer of the organic EL device of the present invention is not particularly limited, but in general, if the film thickness is too thin, defects such as pinholes are generated. Usually, the range of several nm to 1 ⁇ m is preferable because of worsening.
- a direct current voltage When a direct current voltage is applied to the organic EL element, light emission can be observed by applying a voltage of 5 to 40 V with the anode set to + and the cathode set to one polarity. In addition, even when a voltage is applied with the opposite polarity, no current flows and no light emission occurs. Furthermore, when AC voltage is applied, uniform light emission is observed only when the anode is + and the cathode is of the same polarity.
- the alternating current waveform to be applied may be arbitrary.
- Synthesis Example 6 Synthesis of Intermediate 6 Under an anoregon stream, 5.5 g of anidine, 16.2 g of intermediate 3, 6.8 g of T-buxina HJ cum (manufactured by Hiroshima Wako), tris (dibenzylideneacetone) dipalladium (0) 0.46 g ( Aldrich) and 300 mL of dehydrated toluene were added and reacted at 80 ° C for 8 hours.
- 1-acetamidonaphthalene 547g (manufactured by Tokyo Chemical Industry Co., Ltd.), 4, 4, —Jord biphenyl 400g (manufactured by Wako Pure Chemical Industries), potassium carbonate 544g (manufactured by Wako Pure Chemical Industries, Ltd.), copper powder 12 5 g (manufactured by Wako Pure Chemical Industries) and 2 L of decalin were charged and reacted at 190 ° C for 4 days.
- reaction mixture was cooled, 2 L of toluene was added, and insoluble matter was collected by filtration.
- the filtered product was dissolved in 4.5 L of black mouth form to remove insolubles, treated with activated carbon, and concentrated. To this was added 3 L of acetone, and 382 g of precipitated crystals were collected by filtration.
- the reaction solution was poured into 10 L of water, and the precipitated crystals were collected by filtration and washed with water and methanol.
- the obtained crystals were dissolved by heating in 3 L of tetrahydrofuran, treated with activated carbon and concentrated, and acetone was added to precipitate crystals. This was collected by filtration to obtain 264 g of white powder.
- the powder was identified as Intermediate 11 by FD-MS analysis.
- the reaction solution was transferred to a separating funnel, and 600 mL of dichloromethane was added to dissolve the precipitate. After washing with 120 mL of saturated brine, the organic layer was dried over anhydrous potassium carbonate. The solvent of the organic layer obtained by filtering out potassium carbonate was distilled off, and 400 mL of toluene and 80 mL of ethanol were added to the resulting residue, and a drying tube was attached and heated to 80 ° C to completely dissolve the residue. did . Then, it was left to stand for 12 hours and recrystallized by cooling to room temperature. The precipitated crystals were separated by filtration and vacuum dried at 60 ° C.
- the reduced hydrogen gas was refilled and the hydrogen gas volume was again adjusted to 2 L, and then the solution was vigorously stirred at room temperature. After stirring for 30 hours, 10 mL of dichloromethane was added and the catalyst was filtered off. Next, the obtained solution was transferred to a separatory funnel and washed with 5 OmL of a saturated aqueous solution of sodium hydrogen carbonate, and then the organic layer was separated and dried over anhydrous potassium carbonate. After filtration, the solvent was distilled off, and 50 mL of toluene was added to the resulting residue and recrystallized. The precipitated crystals were separated by filtration and vacuum dried at 50 ° C. to obtain 0.99 g of di-4-biphenylamine.
- Example 1 Manufacture of organic EL devices
- a glass substrate with a transparent electrode having a thickness of 25 mm X 75 mm X 1.1 mm was ultrasonically cleaned in isopropyl alcohol for 5 minutes, followed by UV ozone cleaning for 30 minutes.
- the following compound H232 having a film thickness of 60 nm was formed on the surface on which the transparent electrode line was formed so as to cover the transparent electrode.
- This H232 film functions as a hole injection layer.
- the compound HI layer having a thickness of 20 nm was formed as a hole transport material.
- This film functions as a hole transport layer.
- the following compound EM1 having a film thickness of 40 nm was deposited to form a film.
- the following amine compound D1 having a styryl group was deposited as a luminescent molecule so that the weight ratio of EM1 to D1 was 40: 2. This film functions as a light emitting layer.
- Alq film having a thickness of lOnm was formed. This functions as an electron injection layer. Thereafter, Li (Li source: manufactured by Saesgetter), which is a reducing dopant, and Alq were vapor-deposited to form an Alq: Li film (film thickness lOnm) as an electron injection layer (cathode). On this Alq: Li film, metal A1 was deposited to form a metal cathode, and an organic EL device was formed.
- Li Li source: manufactured by Saesgetter
- the obtained organic EL device was measured for luminous efficiency and observed for luminescent color.
- Luminous efficiency was measured using Minolta CS1000 and the luminous efficiency at lOmA / cm 2 was calculated.
- Table 1 shows the results of measuring the half-life of light emission at an initial luminance of 5000 cdZm 2 , room temperature, and DC constant current drive.
- Example 1 an organic EL device was produced in the same manner except that the compound shown in Table 1 was used instead of compound HI as the hole transport material.
- Table 1 shows the results of measuring the half-life of light emission at a luminance of 5000 cdZm 2 , room temperature, and DC constant current drive.
- Comparative Compound 1 (Comparative Example 1) was used instead of Compound HI as the hole transport material. Comparative Compound 1 crystallized during vapor deposition, and it was unable to produce a decent device.
- Table 1 shows the results of measuring the luminous efficiency of the obtained organic EL device, observing the luminescent color, and measuring the half-life of light emission at an initial luminance of 5000 cdZm 2 , room temperature, and DC constant current drive. Show.
- Example 10 Manufacture of organic EL elements
- An organic EL device was produced in the same manner as in Example 1 except that the following arylamine compound D2 was used instead of the amine compound D1 having a styryl group.
- Me is a methyl group.
- the half-life of light emission measured at an initial luminance of 5000 cd / m 2 , room temperature, and DC constant current drive was 430 hours.
- An organic EL device was produced in the same manner as in Example 10 except that the comparative compound 1 was used instead of the compound HI as the hole transport material.
- the luminous efficiency of the obtained organic EL device As a result of measuring the luminous efficiency of the obtained organic EL device, it was 4.9 cdZA, and the emitted color was blue. Furthermore, the half-life of light emission measured at an initial luminance of 5000 cd / m 2 , room temperature, and DC constant current drive was 260 hours.
- Example 11 (Production of organic EL device)
- An organic EL device was produced in the same manner as in Example 1, except that HI was used instead of H232, and Comparative Compound 1 was used instead of HI.
- the emission efficiency of the obtained organic EL device was measured and found to be 5. lcdZA, and the emission color was blue. Furthermore, the half-life of light emission measured at an initial luminance of 5000 cdZm 2 , room temperature, and DC constant current drive was 360 hours.
- the aromatic amine derivative of the present invention is difficult to crystallize molecules, and by incorporating this in the organic thin film layer, the yield in producing an organic EL device is improved and the lifetime is increased. Long organic EL elements can be realized.
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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EP07740034.9A EP2011790B1 (en) | 2006-04-26 | 2007-03-28 | Aromatic amine derivative, and organic electroluminescence element using the same |
KR1020147018087A KR101551591B1 (ko) | 2006-04-26 | 2007-03-28 | 방향족 아민 유도체 및 그들을 이용한 유기 전기 발광 소자 |
CN200780014872.1A CN101432272B (zh) | 2006-04-26 | 2007-03-28 | 芳香族胺衍生物及使用了它们的有机电致发光元件 |
EP13171994.0A EP2639231B1 (en) | 2006-04-26 | 2007-03-28 | Aromatic amine derivative, and organic electroluminescence element using the same |
KR1020087025937A KR101453109B1 (ko) | 2006-04-26 | 2007-03-28 | 방향족 아민 유도체 및 그들을 이용한 유기 전기 발광 소자 |
JP2008513112A JP5186365B2 (ja) | 2006-04-26 | 2007-03-28 | 芳香族アミン誘導体及びそれらを用いた有機エレクトロルミネッセンス素子 |
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JP2006121672 | 2006-04-26 | ||
JP2006-121672 | 2006-04-26 |
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WO2007125714A1 true WO2007125714A1 (ja) | 2007-11-08 |
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PCT/JP2007/056596 WO2007125714A1 (ja) | 2006-04-26 | 2007-03-28 | 芳香族アミン誘導体及びそれらを用いた有機エレクトロルミネッセンス素子 |
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US (1) | US8129038B2 (ja) |
EP (2) | EP2011790B1 (ja) |
JP (1) | JP5186365B2 (ja) |
KR (2) | KR101453109B1 (ja) |
CN (1) | CN101432272B (ja) |
TW (1) | TWI418547B (ja) |
WO (1) | WO2007125714A1 (ja) |
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JPWO2007125714A1 (ja) | 2009-09-10 |
TWI418547B (zh) | 2013-12-11 |
EP2011790A4 (en) | 2010-08-25 |
KR101453109B1 (ko) | 2014-10-27 |
KR20080112325A (ko) | 2008-12-24 |
EP2639231A1 (en) | 2013-09-18 |
EP2639231B1 (en) | 2019-02-06 |
CN101432272B (zh) | 2013-02-27 |
US8129038B2 (en) | 2012-03-06 |
KR101551591B1 (ko) | 2015-09-08 |
US20070278938A1 (en) | 2007-12-06 |
EP2011790B1 (en) | 2016-06-29 |
CN101432272A (zh) | 2009-05-13 |
JP5186365B2 (ja) | 2013-04-17 |
KR20140091074A (ko) | 2014-07-18 |
EP2011790A1 (en) | 2009-01-07 |
TW200812994A (en) | 2008-03-16 |
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