WO2006051806A1 - 金属錯体化合物及びそれを用いた有機エレクトロルミネッセンス素子 - Google Patents
金属錯体化合物及びそれ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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- WO2006051806A1 WO2006051806A1 PCT/JP2005/020515 JP2005020515W WO2006051806A1 WO 2006051806 A1 WO2006051806 A1 WO 2006051806A1 JP 2005020515 W JP2005020515 W JP 2005020515W WO 2006051806 A1 WO2006051806 A1 WO 2006051806A1
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- carbon atoms
- atom
- metal complex
- complex compound
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- -1 Metal complex compound Chemical class 0.000 title claims abstract description 102
- 239000003446 ligand Substances 0.000 claims abstract description 26
- 239000013522 chelant Substances 0.000 claims abstract description 16
- 239000010409 thin film Substances 0.000 claims abstract description 12
- 125000001424 substituent group Chemical group 0.000 claims description 71
- 125000004432 carbon atom Chemical group C* 0.000 claims description 68
- 150000001875 compounds Chemical class 0.000 claims description 60
- 150000004696 coordination complex Chemical class 0.000 claims description 50
- 239000000126 substance Substances 0.000 claims description 41
- 229910052757 nitrogen Inorganic materials 0.000 claims description 31
- 229910052799 carbon Inorganic materials 0.000 claims description 27
- 230000000737 periodic effect Effects 0.000 claims description 24
- 125000004429 atom Chemical group 0.000 claims description 23
- 125000004122 cyclic group Chemical group 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 125000003545 alkoxy group Chemical group 0.000 claims description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 claims description 14
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 13
- 125000005843 halogen group Chemical group 0.000 claims description 11
- 125000000623 heterocyclic group Chemical group 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 125000003342 alkenyl group Chemical group 0.000 claims description 9
- 125000004104 aryloxy group Chemical group 0.000 claims description 9
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 8
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 6
- 125000003282 alkyl amino group Chemical group 0.000 claims description 6
- 125000000304 alkynyl group Chemical group 0.000 claims description 6
- 229910052740 iodine Inorganic materials 0.000 claims description 6
- 125000000962 organic group Chemical group 0.000 claims description 6
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 6
- 241000233855 Orchidaceae Species 0.000 claims description 5
- 150000001924 cycloalkanes Chemical group 0.000 claims description 5
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical group [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 5
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 4
- 150000001450 anions Chemical class 0.000 claims description 4
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 4
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 125000004426 substituted alkynyl group Chemical group 0.000 claims description 2
- 125000005346 substituted cycloalkyl group Chemical group 0.000 claims description 2
- 150000001721 carbon Chemical group 0.000 claims 11
- 125000004433 nitrogen atom Chemical group N* 0.000 claims 4
- 125000003107 substituted aryl group Chemical group 0.000 claims 2
- 150000001934 cyclohexanes Chemical class 0.000 claims 1
- 238000004020 luminiscence type Methods 0.000 claims 1
- 125000005017 substituted alkenyl group Chemical group 0.000 claims 1
- 238000006467 substitution reaction Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 59
- 238000003786 synthesis reaction Methods 0.000 description 59
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 56
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 55
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 41
- 239000010410 layer Substances 0.000 description 40
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 33
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 33
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 30
- 238000000295 emission spectrum Methods 0.000 description 29
- 239000000243 solution Substances 0.000 description 22
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- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 18
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- 239000007924 injection Substances 0.000 description 17
- 239000000047 product Substances 0.000 description 17
- 230000005284 excitation Effects 0.000 description 16
- 239000013078 crystal Substances 0.000 description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 14
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 14
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- 238000000034 method Methods 0.000 description 11
- 238000010992 reflux Methods 0.000 description 11
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 10
- 229910052783 alkali metal Inorganic materials 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
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- 229910052784 alkaline earth metal Inorganic materials 0.000 description 8
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- ONBQEOIKXPHGMB-VBSBHUPXSA-N 1-[2-[(2s,3r,4s,5r)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-4,6-dihydroxyphenyl]-3-(4-hydroxyphenyl)propan-1-one Chemical compound O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1OC1=CC(O)=CC(O)=C1C(=O)CCC1=CC=C(O)C=C1 ONBQEOIKXPHGMB-VBSBHUPXSA-N 0.000 description 7
- 229940126142 compound 16 Drugs 0.000 description 7
- 229940125898 compound 5 Drugs 0.000 description 7
- 235000011187 glycerol Nutrition 0.000 description 7
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 6
- BQXUPNKLZNSUMC-YUQWMIPFSA-N CCN(CCCCCOCC(=O)N[C@H](C(=O)N1C[C@H](O)C[C@H]1C(=O)N[C@@H](C)c1ccc(cc1)-c1scnc1C)C(C)(C)C)CCOc1ccc(cc1)C(=O)c1c(sc2cc(O)ccc12)-c1ccc(O)cc1 Chemical compound CCN(CCCCCOCC(=O)N[C@H](C(=O)N1C[C@H](O)C[C@H]1C(=O)N[C@@H](C)c1ccc(cc1)-c1scnc1C)C(C)(C)C)CCOc1ccc(cc1)C(=O)c1c(sc2cc(O)ccc12)-c1ccc(O)cc1 BQXUPNKLZNSUMC-YUQWMIPFSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 6
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 6
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 6
- 235000002597 Solanum melongena Nutrition 0.000 description 6
- 244000061458 Solanum melongena Species 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 6
- 229940125810 compound 20 Drugs 0.000 description 6
- 239000002019 doping agent 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
- JAXFJECJQZDFJS-XHEPKHHKSA-N gtpl8555 Chemical compound OC(=O)C[C@H](N)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1CCC[C@@H]1C(=O)N[C@H](B1O[C@@]2(C)[C@H]3C[C@H](C3(C)C)C[C@H]2O1)CCC1=CC=C(F)C=C1 JAXFJECJQZDFJS-XHEPKHHKSA-N 0.000 description 6
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 6
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- 150000001342 alkaline earth metals Chemical class 0.000 description 5
- KGNDCEVUMONOKF-UGPLYTSKSA-N benzyl n-[(2r)-1-[(2s,4r)-2-[[(2s)-6-amino-1-(1,3-benzoxazol-2-yl)-1,1-dihydroxyhexan-2-yl]carbamoyl]-4-[(4-methylphenyl)methoxy]pyrrolidin-1-yl]-1-oxo-4-phenylbutan-2-yl]carbamate Chemical compound C1=CC(C)=CC=C1CO[C@H]1CN(C(=O)[C@@H](CCC=2C=CC=CC=2)NC(=O)OCC=2C=CC=CC=2)[C@H](C(=O)N[C@@H](CCCCN)C(O)(O)C=2OC3=CC=CC=C3N=2)C1 KGNDCEVUMONOKF-UGPLYTSKSA-N 0.000 description 5
- 229910052792 caesium Inorganic materials 0.000 description 5
- 229940125833 compound 23 Drugs 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- AOSZTAHDEDLTLQ-AZKQZHLXSA-N (1S,2S,4R,8S,9S,11S,12R,13S,19S)-6-[(3-chlorophenyl)methyl]-12,19-difluoro-11-hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-6-azapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one Chemical compound C([C@@H]1C[C@H]2[C@H]3[C@]([C@]4(C=CC(=O)C=C4[C@@H](F)C3)C)(F)[C@@H](O)C[C@@]2([C@@]1(C1)C(=O)CO)C)N1CC1=CC=CC(Cl)=C1 AOSZTAHDEDLTLQ-AZKQZHLXSA-N 0.000 description 4
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 229940126657 Compound 17 Drugs 0.000 description 4
- 229940126639 Compound 33 Drugs 0.000 description 4
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 description 4
- 101100129514 Mus musculus Mbip gene Proteins 0.000 description 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
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- PNUZDKCDAWUEGK-CYZMBNFOSA-N Sitafloxacin Chemical compound C([C@H]1N)N(C=2C(=C3C(C(C(C(O)=O)=CN3[C@H]3[C@H](C3)F)=O)=CC=2F)Cl)CC11CC1 PNUZDKCDAWUEGK-CYZMBNFOSA-N 0.000 description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 4
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 229910001508 alkali metal halide Inorganic materials 0.000 description 4
- 150000008045 alkali metal halides Chemical class 0.000 description 4
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
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- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 4
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 4
- UHPUCGUHOAGWID-UHFFFAOYSA-N mbid Chemical compound O.OC.C12C34CCN2CC=CC1(CC)C(OC(C)=O)C(C(=O)OC)(O)C4N(C)C(C=C1OC)=C3C=C1C12C3=CC=CC=C3NC11C(C(=O)OC)CC(CC(O)(CO)CC)CN1CC2 UHPUCGUHOAGWID-UHFFFAOYSA-N 0.000 description 4
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 4
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 4
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 4
- 239000011669 selenium Substances 0.000 description 4
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- KSAVQLQVUXSOCR-UHFFFAOYSA-M sodium lauroyl sarcosinate Chemical compound [Na+].CCCCCCCCCCCC(=O)N(C)CC([O-])=O KSAVQLQVUXSOCR-UHFFFAOYSA-M 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- DANYXEHCMQHDNX-UHFFFAOYSA-K trichloroiridium Chemical compound Cl[Ir](Cl)Cl DANYXEHCMQHDNX-UHFFFAOYSA-K 0.000 description 4
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- GSDQYSSLIKJJOG-UHFFFAOYSA-N 4-chloro-2-(3-chloroanilino)benzoic acid Chemical compound OC(=O)C1=CC=C(Cl)C=C1NC1=CC=CC(Cl)=C1 GSDQYSSLIKJJOG-UHFFFAOYSA-N 0.000 description 3
- VKLKXFOZNHEBSW-UHFFFAOYSA-N 5-[[3-[(4-morpholin-4-ylbenzoyl)amino]phenyl]methoxy]pyridine-3-carboxamide Chemical compound O1CCN(CC1)C1=CC=C(C(=O)NC=2C=C(COC=3C=NC=C(C(=O)N)C=3)C=CC=2)C=C1 VKLKXFOZNHEBSW-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
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- 229940126062 Compound A Drugs 0.000 description 3
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- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 3
- WRYCSMQKUKOKBP-UHFFFAOYSA-N Imidazolidine Chemical compound C1CNCN1 WRYCSMQKUKOKBP-UHFFFAOYSA-N 0.000 description 3
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- 229910001615 alkaline earth metal halide Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002484 inorganic compounds Chemical class 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
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- 238000001819 mass spectrum Methods 0.000 description 3
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- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229920000137 polyphosphoric acid Polymers 0.000 description 3
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 3
- 239000011698 potassium fluoride Substances 0.000 description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 229910052701 rubidium Inorganic materials 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 2
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 2
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- RZQQXRVPPOOCQR-UHFFFAOYSA-N 2,3-dihydro-1,3,4-oxadiazole Chemical compound C1NN=CO1 RZQQXRVPPOOCQR-UHFFFAOYSA-N 0.000 description 2
- 241000414116 Cyanobium Species 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
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- 238000001953 recrystallisation Methods 0.000 description 1
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- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
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- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
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- UZIXCCMXZQWTPB-UHFFFAOYSA-N trimethyl(2-phenylethynyl)silane Chemical group C[Si](C)(C)C#CC1=CC=CC=C1 UZIXCCMXZQWTPB-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- H10K85/30—Coordination compounds
- H10K85/341—Transition metal complexes, e.g. Ru(II)polypyridine complexes
- H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F19/00—Metal compounds according to more than one of main groups C07F1/00 - C07F17/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/20—Two benzimidazolyl-2 radicals linked together directly or via a hydrocarbon or substituted hydrocarbon radical
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0033—Iridium compounds
-
- 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
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Definitions
- the present invention relates to a novel metal complex compound and an organic electroluminescent device using the same, and in particular, an organic electroluminescent device capable of emitting blue light with high color purity by light emission at a short wavelength and the realization thereof. It relates to a metal complex compound.
- Non-patent Document 1 Non-patent Document 1
- Non-patent document 2 Non-patent document 3
- Compound A Compound B
- the above compounds A and B are complexes using bidentate chelate ligands. Few complexes using similar tridentate chelate ligands are known, and compound C shown below Is known (see Non-Patent Document 3).
- the emission wavelength obtained from Compound C is 600 nm red light emission and not blue light emission. If such a complex using a tridentate chelate ligand can realize a blue-range light emission complex, there is a possibility of developing a new technology.
- Non-Patent B ⁇ l D.F. O'Brien and M.A.Baldo et al Improved energy transferin electro phosphorescent devices "Applied Physics letters Vol.74 No.3, pp442-444, January 18, 1999
- Non-Patent Document 2 M.A.Baldo et al "Very high-efficiencygreen organic light-emitting dev ices based on electrophosphorescence" Applied Physics letters Vol. 75 No. l, pp4 ⁇ 6, July 5, 1999
- Non-Patent Document 3 JP. Collin et.al., J. Am. Chem. Soc, 121,5009 (1999) Disclosure of the invention
- the present invention has been made to solve the above-described problems, and provides an organic EL device that can emit blue light with high color purity by light emission at a short wavelength and a metal complex compound that realizes the organic EL device. For the purpose.
- the present inventors can emit light with a short wavelength and color.
- the present inventors have completed the present invention by clarifying a new structural factor of blue coloration in which high-purity blue light emission can be obtained.
- the present invention provides a metal complex compound having a partial structure represented by the following general formula (I) or (II) having a tridentate chelate ligand.
- M is any metal atom of group 9 of the periodic table
- L and Z are each independently an organic group containing any atom in Groups 14 to 16 of the Periodic Table;
- X is a monovalent ligand containing any atom of Group 14 to 17 of the Periodic Table
- Y is any atom of Group 14 to 16 of the Periodic Table
- A represents a cyclic structure including Y indicated by a circle surrounding the symbol A, a cycloalkane residue having 6 to 20 carbon atoms which may have a substituent, and a carbon number which may have a substituent.
- 6-20 fragrances A heterocyclic group having 2 to 20 carbon atoms which may have an aromatic hydrocarbon group or a substituent,
- R 1 to R 4 may each independently have a hydrogen atom, a cyano group, a halogen atom, or a substituent, an alkynole group having carbon atoms:! To 12 or a substituent.
- Carbon number:! ⁇ 12 alkyl amino group, optionally having 6-20 carbon atoms aryl group, optionally having 1-12 carbon atoms alkoxy group, having substituents
- a C3-C20 heterocyclic group which may have a substituent, a C1-C12 halogenoalkyl group which may have a substituent, and a carbon group which may have a substituent 2 to: 12 alkenyl group, optionally substituted alkynyl group having 2 to 12 carbon
- the present invention provides an organic EL device having at least one organic thin film layer having at least one light emitting layer sandwiched between a pair of electrodes, and at least one layer of the organic thin film layer.
- the present invention provides an organic EL device that contains the metal complex compound and emits light when a voltage is applied between both electrodes.
- the present invention provides an organic EL device capable of obtaining blue light emission with high emission efficiency, high emission efficiency and short wavelength, and high color purity, and a metal complex compound that realizes the organic EL device.
- FIG. 1 is a view showing a room temperature emission spectrum of the metal complex compound 5 of the present invention.
- FIG. 2 shows a room temperature emission spectrum of the metal complex compound 6 of the present invention.
- FIG. 3 shows a room temperature emission spectrum of the metal complex compound 20 of the present invention.
- FIG. 4 shows a room temperature emission spectrum of the metal complex compound 23 of the present invention.
- FIG. 5 shows a room temperature emission spectrum of the metal complex compound 124 of the present invention.
- FIG. 6 is a view showing a room temperature light emission spectrum of the metal complex compound 7 of the present invention.
- FIG. 7 shows a room temperature emission spectrum of the metal complex compound 103 of the present invention.
- FIG. 8 shows a room temperature emission spectrum of the metal complex compound 105 of the present invention.
- FIG. 9 shows a room temperature emission spectrum of the metal complex compound 32 of the present invention.
- FIG. 10 is a diagram showing a room temperature light emission spectrum of the metal complex compound 33 of the present invention.
- FIG. 11 shows a room temperature emission spectrum of the metal complex compound 16 of the present invention.
- FIG. 12 is a view showing a room temperature light emission spectrum of the metal complex compound 17 of the present invention.
- FIG. 13 shows a room temperature emission spectrum of the metal complex compound 86 of the present invention.
- the metal complex compound of the present invention has a partial structure represented by the following general formula (I) or ( ⁇ ) having a tridentate chelate ligand.
- M is a metal atom of Group 9 of the periodic table, such as Co (cobalt), Rh (rhodium), Ir (iridium) atom etc. are mentioned, Ir is preferable.
- L and Z are each independently an organic group containing any one or more atoms in Groups 14 to 16 of the Periodic Table.
- Periodic Tables 14 to 16 included in this L and Z include C (carbon), N (nitrogen), O (oxygen), Si (caine), P (phosphorus), and S (sulfur). ), Ge (germanium), As (arsenic), Se (selenium) atoms and the like, and carbon, nitrogen, and oxygen atoms are preferable.
- the organic groups represented by L and Z each independently have a hydrogen atom, a cyano group, a halogen atom, an alkyl group having 1 to 12 carbon atoms which may have a substituent, or a substituent.
- Charcoal that may have Prime number 1 to: 12 halogenated alkoxy group, optionally substituted aryloxy group having 6 to 20 carbon atoms, optionally substituted aromatic hydrocarbon group having 6 to 20 carbon atoms, substituted It may have a group, a heterocyclic group having 3 to 20 carbon atoms, or a substituent, a halogenated alkyl group having!
- halogen atom examples include fluorine, chlorine, bromine, iodine atom and the like.
- alkyl group examples include methinole group, ethyl group, propyl group, isopropylinole group, n_butyl group, s_butyl group, isobutyl group, t_butyl group, n_pentyl group, n_hexyl group, n —Heptyl group, n —octyl group and the like can be mentioned.
- Examples of the aromatic hydrocarbon group include residues such as benzene, naphthalene, anthracene, phenanthrene, pyrene, biphenyl, terphenyl, and fluoranthene.
- Examples of the heterocyclic group include imidazole, benzimidazole, and pyrrole. And residues such as furan, thiophene, benzothiophene, oxadiazoline, indoline, carbazole, pyridine, quinoline, isoquinoline, benzoquinone, vilarodin, imidazolidine, piperidine and the like.
- alkynoleamino group examples include those in which a hydrogen atom of an amino group is substituted with the alkyl group.
- arylamino group examples include those in which a hydrogen atom of an amino group is replaced with the aromatic hydrocarbon group.
- the alkoxy group is represented by —OY ′, and Y ′ includes the same as those mentioned for the alkyl group.
- halogenated alkoxy group examples include those in which a hydrogen atom of the alkoxy group is substituted with the halogen atom.
- the aryloxy group is represented as _OY ", and examples of ⁇ " include those similar to those exemplified for the aromatic hydrocarbon group.
- examples of the halogenated alkyl group include those in which a hydrogen atom of the alkyl group is substituted with the halogen atom.
- alkenyl group examples include a bur group, a allyl group, a 2-butyl group, and a 3-pentenyl group.
- alkynyl group examples include an etulyl group and a methylethyl group.
- cycloalkyl group examples include a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, and the like.
- substituents of these groups include halogen atoms, hydroxyl groups, substituted or unsubstituted amino groups, nitro groups, cyan groups, substituted or unsubstituted alkyl groups, fluorine-substituted alkyl groups, substituted or unsubstituted groups.
- alkenyl group a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxyl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted arylalkyl group, a substituted or unsubstituted aryloxy group, substituted or An unsubstituted alkoxycarbonyl group, a carboxynole group, etc. are mentioned.
- X is a monovalent ligand containing any atom in Groups 14 to 17 of the Periodic Table.
- Periodic Tables 14 to 17 included in this X include atoms of C (carbon), N (nitrogen), ⁇ (oxygen), F (fluorine), Si (caine), P (phosphorus), S (sulfur), C1 (chlorine), Ge (germanium), As (arsenic), Se (selenium), Br (bromine), I (iodine) atoms, etc., carbon, nitrogen, chlorine, bromine, iodine atoms Is preferred.
- Examples of the ligand represented by X include a methoxy group, a phenoxy group, a cyano group, a chlorine atom, an iodine atom, and an iodine atom, and a cyano group, a chlorine atom, a bromine atom, and an iodine atom are preferable.
- Y is an atom in Groups 14 to 16 of the periodic table, and C (carbon), N (nitrogen), ⁇ (oxygen), F (fluorine) ), Si (caine), P (phosphorus), S (sulfur), C1 (chlorine), Ge (germanium), As (arsenic), Se (selenium) atoms, etc., carbon, nitrogen, oxygen atoms preferable.
- A represents a cyclic structure in which the circle surrounding symbol A includes Y. And a C6-C20 cycloalkane residue that may have a substituent, a C6-C20 aromatic hydrocarbon group that may have a substituent, or a substituent. It is a bicyclic group having 2 to 20 carbon atoms.
- cycloalkane residue examples include residues such as cyclopropane, cyclobutane, cyclopropane, cyclohexane, and cycloheptane.
- aromatic hydrocarbon group and heterocyclic group include the same examples as the organic groups represented by L and Z.
- R 1 to R 4 are each independently a hydrogen atom, a cyano group, a halogen atom, or a carbon number that may have a substituent: ⁇ 12 alkyl group, may have a substituent, carbon number:!
- ⁇ 12 anolequinolamino group may have a substituent, aryleneamino group having 6-20 carbon atoms, C1-C12 alkoxy group which may have a substituent, C1-C12 halogenated alkoxy group which may have a substituent, and C6 which may have a substituent Having a -20 aryloxy group, an optionally substituted aromatic hydrocarbon group having 6 to 20 carbon atoms, an optionally substituted heterocyclic group having 3 to 20 carbon atoms, and a substituent.
- halogenyl alkyl group optionally having a carbon number of 2 to: 12 alkenyl group, optionally having a carbon number of 2 to: 12 alkynyl group, or Is an optionally substituted cycloalkyl group having 3 to 20 carbon atoms, and specific examples of these groups include the same examples as L and Z.
- Examples of this cyclic structure in which R 1 , R and R 4 may be bonded to each other to form a cyclic structure are nitrogen-containing heterocyclic groups such as imidazole, benzimidazole, pyrrole, Examples include indoline, carbazole, pyridine, quinoline, isoquinoline, pyrarodine, imidazolidine, piperidine and the like, and pyridine, imidazole and benzimidazole are preferable.
- the tridentate chelate ligand is represented by the following general formulas (1) to (21) and (
- R 5 to R 98 , R 57 to R 96 and R ° 7 to R 276 are each independently the above R 1 To R 4, and specific examples and substituents of these groups are the same as those described for R 1 to R 4 .
- the number of each of R 5 to R 98 , 57 to 1 196 and 207 to R 276 may be plural. In that case, R 5 to R 98 , R 157 to R 196 and R 2Q7 to R 276 may form a ring structure bonded with each other in adjacent ones of Yogu R 5 ⁇ R 98, 57 ⁇ 1 196 and 1 2 ° 7 ⁇ 1 276 be the same or different.
- cycloalkane for example, cyclopropane, cyclobuta , Cyclopropane, cyclohexane, cycloheptane, etc.
- aromatic hydrocarbon rings eg, benzene, naphthalene, anthracene, phenanthrene, pyrene, biphenyl, terphenyl, fluoranthene, etc.
- heterocycles eg, imidazole, benzone, etc.
- the ligand formed by L—Z is preferably a compound represented by any one of the following general formulas (31) to (39).
- R 99 to R 156 are independently the same as R 1 to R 4, and Specific examples and substituents of each group are the same as those described for R 1 to R 4 .
- the number of each of R 99 to R 156 may be plural, and R 99 to R 156 in that case may be the same or different, and adjacent ones of R 99 to R 156 are mutually adjacent. Combine to form a ring structure.
- the metal complex compound represented by the general formula (I) of the present invention is represented by any one of the following general formulas (I I :!) to (I 9) and (I 10) to (I 15). It is preferable that it is.
- R 1 ′′ to R 0 are independently the same as R 1 to R 4, and specific examples and substituents of these groups are as follows. As described in R 1 to R 4 above
- R to u may be plural, and R in that case
- R may be the same or different. Adjacent ones of u are bonded together to form a cyclic structure.
- W— is an anion with a valence of 1 containing at least one type of metal atom from Groups 13 to 16 of the Periodic Table. Yes, for example, PF-, CIO-, Sb
- the tridentate chelate ligand is a compound represented by the following general formulas (40) to (42) and (43) to (44): If there is, I like it.
- R 2 ° 7 to R 22 °, R 227 to R 232, and R 243 to R 259 are independent of each other.
- R 1 to R 4 and specific examples and substituents of these groups are the same as those described for R 1 to R 4 .
- the number of R 207 to R 22 °, R 227 to R 232 and R 243 to R 259 may be plural.
- R 2Q7 to R 22 °, R 22 7 to R 232 and R 243 to R 259 is Yogu R 207 to R 22Q be the same or different, may form a ring structure bonded to each other in adjacent ones of the R 227 to R 232 and R 2 43 to R 259 Good.
- the metal complex compound represented by the general formula (II) of the present invention is preferably one represented by the following general formula (II 1) or (II 2).
- R 197 to R 2Q6 are independently the same as R 1 to R 4, and specific examples and substituents of these groups are the same as those described above. The same as described for R 1 to R 4 . Also, the number of each of R 197 to R ⁇ may be plural, and 97 to R ⁇ in that case may be the same or different, and adjacent ones of 97 to R ⁇ are connected to each other. To form a ring structure.
- Examples of this cyclic structure are the same as those described for R 5 to R 98 and R 157 to R 196 .
- W— is a valence 1 anion containing at least one metal atom from Groups 13 to 16 of the Periodic Table, for example, PF—, CIO—, SbF ⁇ ⁇ ⁇ Tf ⁇
- OTs—, BF—, BPh—, B (C F), etc., and PF— is preferred.
- metal complex compound of the present invention is illustrated below, but are not limited to these exemplary compounds.
- the organic EL device of the present invention is an organic EL device in which an organic thin film layer comprising at least one light-emitting layer or a plurality of layers is sandwiched between a pair of electrodes consisting of an anode and a cathode. However, it contains the metal complex compound of the present invention and emits light when a voltage is applied between both electrodes.
- the light emitting layer contains 1 to 30% by weight of the metal complex compound of the present invention, which is preferable if the light emitting layer contains the metal complex compound of the present invention.
- the light emitting layer is usually thinned by vacuum deposition or coating.
- the layer containing the metal complex compound of the present invention is coated. It is preferable to form a film with a cloth.
- the element structure of the organic EL element in the present invention is a structure in which one or two or more organic layers are stacked between electrodes. Examples thereof include (i) an anode, a light emitting layer, a cathode, and Gi) an anode. , Hole injection 'transport layer, light emitting layer, electron injection ⁇ transport layer, cathode, (iii) anode, hole injection ⁇ transport layer, light emitting layer, cathode, (iv) anode, light emitting layer, electron injection ⁇ transport layer, Examples of the structure include a cathode.
- the compound in the present invention can be doped into other hole transport materials, light emitting materials, and electron transport materials which may be used in any of the above organic layers.
- the method for forming each layer of the organic EL element is not particularly limited. In addition to the vapor deposition method, various light-emitting methods using the solution after dissolving the light-emitting composition of the present invention or the compound forming the composition, respectively. Thus, a light emitting medium or a light emitting layer can be formed. It can be formed by a known method such as a solution dating method, a spin coating method, a casting method, a bar coating method, a roll coating method, or an ink jet method.
- the film thickness of 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. Therefore, the range of several nm to 1 ⁇ m is usually preferable.
- Examples of solvents used in preparing a luminescent solution for forming a luminescent layer include dichloromethane, dichloroethane, chloroform, carbon tetrachloride, tetrachloroethane, trichloroethane, chlorobenzene, dichlorobenzene, chlorobenzene.
- Halogen hydrocarbon solvents such as toluene, ether solvents such as dibutyl ether, tetrahydrofuran, dioxane, and anisole, methanol and ethanol, propanol / le, butanol, pentano / re, hexanol / le, cyclohexanol, Ananolic solvents such as methinoreserosonoleb, ethinorecerosonolev, ethyleneglycolole, hydrocarbon solvents such as benzene, toluene, xylene, ethylbenzene, hexane, octane, decane, ethyl acetate, ptyl acetate, acetic acid Aster and other esthetics Medium, and the like.
- ether solvents such as dibutyl ether, tetrahydrofuran, dioxane, and anisole
- halogenated hydrocarbon solvents and hydrocarbon solvents are preferable. These solvents may be used alone or in combination. Note that usable solvents are not limited to these. Further, the dopant may be dissolved in advance in the luminescent solution containing the above compound.
- the electron injection / transport material used in the present invention is not particularly limited. Any compound that is used as a material may be used. For example, 2 (4-biphenyl) 5— (4 t-butylphenyl) 1, 3, 4-oxadiazole, bis ⁇ 2— (4-t-butylphenyl) 1 1, 3, 4-oxadiazole ⁇ — Examples thereof include oxadiazole derivatives such as m-phenylene, triazole derivatives, and quinolinol-based metal complexes. Further, it is preferable to use an insulator or a semiconductor as the inorganic compound constituting the electron injecting / transporting layer.
- the electron injection 'transport layer is made of an insulator or a semiconductor, current leakage can be effectively prevented and the electron injection property can be improved.
- an insulator it is preferable to use 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. If the electron injecting / transporting layer is composed of these alkali metal chalcogenides or the like, it is preferable in that the electron injecting property can be further improved.
- preferred alkali metal chalcogenides include, for example, Li 0, Na S and Na Se
- preferred alkaline earth metal chalcogenides include, for example,
- alkali metal halides include, for example, LiF, NaF, KF, LiCl, KC1, and NaCl.
- preferred alkaline earth metal halides for example, CaF
- Fluorides such as BaF, SrF, MgF and BeF, and halides other than fluorides.
- the electron injection 'transport layer at least one of Ba, Ca, Sr, Yb, Al, Ga, In, Li, Na, Cd, Mg, Si, Ta, Sb, and Zn is used.
- the inorganic compound constituting the electron injection / 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, and pixel defects such as dark spots can be reduced. Examples of such inorganic compounds include the alkali metal chalcogenides, alkali earth metal chalcogenides, alkali metal halides and alkaline earth metals described above. And genus halides.
- the electron injection / transport layer may contain a reducing dopant having a work function of 2.9 eV or less.
- 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, for example, alkali metals, alkaline earth metals, rare earth metals, alkali metal oxides, alkali metal halides, alkaline earth metals. At least selected from the group consisting of oxides, alkaline earth metal halides, rare earth metal oxides or rare earth metal halides, alkali metal organic complexes, alkaline earth metal organic complexes, rare earth metal organic complex forces One substance can be preferably used.
- 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. 95 eV) Force At least one alkali metal selected from the group consisting of Ca (work function: 2.9 eV), Sr (work function: 2.0 to 2.5 eV) and Ba (work function: 2 At least one alkaline earth metal selected from the group consisting of 52 eV), with a work function of 2.9 eV or less being particularly preferred.
- a more preferable reducing dopant is at least one alkali metal selected from the group consisting of K, Rb and Cs, more preferably Rb and Cs, and most preferably Cs. is there.
- alkali metals can improve emission brightness and extend the life of organic EL devices by adding a relatively small amount to the electron injection region, which has a particularly high reducing ability.
- a combination of two or more alkali metals is also preferable.
- a combination containing Cs for example, Cs and Na, Cs and K, Cs and Rb.
- C, Na and K are preferred combinations.
- the anode of the organic EL element plays a role of injecting holes into the hole injection 'transport layer and Z 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), tin oxide (NE SA), gold, silver, platinum, copper and the like.
- ITO indium tin oxide alloy
- NE SA tin oxide
- gold silver, platinum, copper and the like.
- the cathode an electron injection 'transport layer and For the purpose of injecting electrons into the light emitting layer, a material having a low work function is preferable.
- a hole injection (transport) layer may be used on the anode.
- the hole injecting / transporting layer include various organic compounds generally used in organic EL devices described in, for example, JP-A-63-295695 and JP-A-2-191694. Products and polymers can be used. Examples thereof include aromatic tertiary amines, hydrazone derivatives, force rubazole derivatives, triazole derivatives, imidazole derivatives, polybutcarbazole, polyethylene dioxythiophene 'polysulfonic acid (PEDOT-PSS), and the like.
- the cathode material of the organic EL element is not particularly limited, but specifically, indium, aluminum, magnesium, magnesium-indium alloy, magnesium-indium alloy, aluminum-lithium alloy, aluminum-scandium- Lithium alloy, magnesium-silver alloy, etc. can be used.
- the metal complex compound 5 was synthesized by the following route.
- the metal complex compound 6 was synthesized by the following route.
- the metal complex compound 20 was synthesized by the following route.
- the obtained complex was dissolved in acetonitrile 3 Oml, filtered through Celite, the solution was concentrated under reduced pressure, recrystallized using jetyl ether, and 0.08 g of metal complex compound 20 as red crystals (yield 61% )Obtained.
- the obtained compound was subjected to FD-MS measurement and confirmed to be the target compound.
- the FD MS results are shown below.
- the metal complex compound 23 was synthesized by the following route.
- the metal complex compound 124 was synthesized by the following route.
- (mbib) lrCl was synthesized by the method described in Synthesis Example 1. In a 100 ml eggplant-shaped flask, (m bib) lrCl 0.084 mmol (0. lg), 2- (2, 4, 4-difunole old Rofe Ninore) Lysine 0.1
- the metal complex compound 103 was synthesized by the following route.
- the metal complex compound 130 was synthesized by the following route.
- the metal complex compound 131 was synthesized by the following route.
- the metal complex compound 132 was synthesized by the following route.
- the metal complex compound 105 was synthesized by the following route.
- the metal complex compound 32 was synthesized by the following route.
- the metal complex compound 16 was synthesized by the following route.
- the metal complex compound 85 was synthesized by the following route. [Chemical 34]
- the FT-IR measurement showed a characteristic absorption at 2104 cm 1 , confirming the presence of the cyano group in the target compound.
- Table 1 shows the physical property values of the complexes synthesized above with respect to phosphorescence. Both complexes have higher K (radiation speed) and higher than K (non-radiation speed) compared to the known Ir (ppy) (compound A). Therefore, it can be seen that the phosphorescence quantum yield is also very high at 0.63 to 0.86.
- a glass substrate with a 25 mm ⁇ 75 mm ⁇ l. 1 mm thick IT ⁇ transparent electrode (Zomatic Co., Ltd.) was ultrasonically cleaned in isopropyl alcohol for 5 minutes, followed by UV ozone cleaning for 30 minutes.
- PED ⁇ T polyethylenedioxythiophene
- This layer functions as a light emitting layer.
- the film thickness at this time was 50 nm.
- a film of the following BA1 q having a film thickness of 25 nm was formed.
- This BAlq film functions as a hole barrier layer.
- the following Alq having a film thickness of 5 nm was formed on this film.
- This Alq film functions as an electron injection layer.
- lithium fluoride was evaporated to a thickness of 0.1 nm, and then aluminum was evaporated to a thickness of 150 nm.
- This AlZLiF functions as a cathode. In this way, an organic EL device was produced.
- the voltage 7. 9V at a current density of 0. 68 mA / cm 2, CIE chromaticity in the light emitting luminance 102cdZm 2 (0. 28, 0. 63 ) Green light emission was obtained, and the light emission efficiency was 15. OcdZA.
- Example 1 an organic EL device was produced in the same manner except that the following metal complex compound D described in the publicly known document Inog. Chem., 6513 (2004) was used instead of the metal complex compound 6. Obtained device When energization test was conducted after sealing, orange emission with CIE chromaticity (0.51, 0.48) was obtained at a voltage of 8.8 V, current density of 0.68 mA / cm 2 and emission luminance of lOlcdZm 2. The light emission efficiency was 6.5 cdZA.
- the organic EL device using the metal complex compound of the present invention can emit blue light with high color purity by light emission with a short wavelength with high luminous efficiency. Therefore, it can be applied to fields such as various display elements, displays, knock lights, illumination light sources, signs, signboards, interiors, etc., and is particularly suitable as a display element for color displays.
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Description
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EP05806221.7A EP1816134B1 (en) | 2004-11-10 | 2005-11-09 | Metal complex compound and organic electroluminescent device using same |
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JP2004326428 | 2004-11-10 | ||
JP2005-224670 | 2005-08-02 | ||
JP2005224670A JP2006160724A (ja) | 2004-11-10 | 2005-08-02 | 金属錯体化合物及びそれを用いた有機エレクトロルミネッセンス素子 |
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WO2006051806A1 true WO2006051806A1 (ja) | 2006-05-18 |
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Country Status (6)
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US (1) | US7625639B2 (ja) |
EP (1) | EP1816134B1 (ja) |
JP (1) | JP2006160724A (ja) |
KR (1) | KR20070084109A (ja) |
TW (1) | TW200624436A (ja) |
WO (1) | WO2006051806A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2007018067A1 (ja) * | 2005-08-05 | 2007-02-15 | Idemitsu Kosan Co., Ltd. | 遷移金属錯体化合物及びそれを用いた有機エレクトロルミネッセンス素子 |
WO2007069537A1 (ja) * | 2005-12-15 | 2007-06-21 | Idemitsu Kosan Co., Ltd. | 金属錯体化合物及びそれを用いた有機エレクトロルミネッセンス素子 |
JP2008007500A (ja) * | 2006-06-02 | 2008-01-17 | Canon Inc | 金属錯体及び有機発光素子 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US6603352B2 (en) * | 2001-12-03 | 2003-08-05 | Icefyre Semiconductor Corporation | Switched-mode power amplifier integrally performing power combining |
US8039124B2 (en) * | 2005-06-30 | 2011-10-18 | Koninklijke Philips Electronics N.V. | Electro luminescent metal complexes |
JP4956831B2 (ja) * | 2006-03-09 | 2012-06-20 | 学校法人 中央大学 | 金属錯体化合物及びそれを用いた有機エレクトロルミネッセンス素子 |
DE102006035018B4 (de) * | 2006-07-28 | 2009-07-23 | Novaled Ag | Oxazol-Triplett-Emitter für OLED-Anwendungen |
US20090102363A1 (en) * | 2007-08-03 | 2009-04-23 | Idemitsu Kosan Co., Ltd. | Metal complex compound, material for organic electroluminescence device and organic electroluminescence device using the same |
US20090039767A1 (en) * | 2007-08-03 | 2009-02-12 | Idemitsu Kosan Co., Ltd. | Metal complex compound, material for organic electroluminescence device and organic electroluminescence device using the same |
EP2036955B1 (en) | 2007-09-17 | 2012-05-16 | JSR Corporation | Dyestuff, dye-sensitized solar cell, and method for manufacturing same |
JP2010031249A (ja) * | 2008-06-23 | 2010-02-12 | Sumitomo Chemical Co Ltd | 組成物及び該組成物を用いてなる発光素子 |
TWI392721B (zh) * | 2010-02-08 | 2013-04-11 | Nat Univ Tsing Hua | 具有面構形碳-磷-碳(c^p^c)三牙螫合體的磷光過渡金屬錯合物及其有機發光二極體 |
US8822042B2 (en) * | 2010-06-28 | 2014-09-02 | The University Of Southern California | Luminescent cyclometallated iridium(III) complexes having acetylide ligands |
US9289759B2 (en) * | 2011-09-13 | 2016-03-22 | Rutgers, The State University Of New Jersey | Iridium catalyst complexes and C—H bond activated products therefrom |
WO2014023972A1 (en) * | 2012-08-09 | 2014-02-13 | University Of Northumbria At Newcastle | Light emitting compounds |
TWI568725B (zh) | 2016-05-17 | 2017-02-01 | 國立清華大學 | 銥錯合物及含氮三牙配基 |
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- 2005-08-02 JP JP2005224670A patent/JP2006160724A/ja active Pending
- 2005-11-09 WO PCT/JP2005/020515 patent/WO2006051806A1/ja active Application Filing
- 2005-11-09 KR KR1020077010522A patent/KR20070084109A/ko not_active Application Discontinuation
- 2005-11-09 EP EP05806221.7A patent/EP1816134B1/en not_active Not-in-force
- 2005-11-10 TW TW094139462A patent/TW200624436A/zh unknown
- 2005-11-10 US US11/270,500 patent/US7625639B2/en not_active Expired - Fee Related
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JP2001270893A (ja) | 2000-03-23 | 2001-10-02 | Takeko Matsumura | 高輝度蛍光イリジウム錯体およびそのマイクロ波加熱迅速簡易合成法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007018067A1 (ja) * | 2005-08-05 | 2007-02-15 | Idemitsu Kosan Co., Ltd. | 遷移金属錯体化合物及びそれを用いた有機エレクトロルミネッセンス素子 |
WO2007069537A1 (ja) * | 2005-12-15 | 2007-06-21 | Idemitsu Kosan Co., Ltd. | 金属錯体化合物及びそれを用いた有機エレクトロルミネッセンス素子 |
JP2008007500A (ja) * | 2006-06-02 | 2008-01-17 | Canon Inc | 金属錯体及び有機発光素子 |
Also Published As
Publication number | Publication date |
---|---|
US20060115675A1 (en) | 2006-06-01 |
KR20070084109A (ko) | 2007-08-24 |
EP1816134B1 (en) | 2013-10-23 |
EP1816134A1 (en) | 2007-08-08 |
US7625639B2 (en) | 2009-12-01 |
EP1816134A4 (en) | 2007-11-28 |
JP2006160724A (ja) | 2006-06-22 |
TW200624436A (en) | 2006-07-16 |
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