JP4268517B2 - エレクトロルミネセント材料及び素子 - Google Patents
エレクトロルミネセント材料及び素子 Download PDFInfo
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- JP4268517B2 JP4268517B2 JP2003512332A JP2003512332A JP4268517B2 JP 4268517 B2 JP4268517 B2 JP 4268517B2 JP 2003512332 A JP2003512332 A JP 2003512332A JP 2003512332 A JP2003512332 A JP 2003512332A JP 4268517 B2 JP4268517 B2 JP 4268517B2
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- JP
- Japan
- Prior art keywords
- electroluminescent
- layer
- electrode
- quinolate
- electroluminescent element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000463 material Substances 0.000 title claims description 52
- 230000005525 hole transport Effects 0.000 claims description 24
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 20
- -1 Polyphenylene Polymers 0.000 claims description 17
- 229920000767 polyaniline Polymers 0.000 claims description 17
- 125000003118 aryl group Chemical group 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 9
- 239000011737 fluorine Substances 0.000 claims description 9
- 229920000547 conjugated polymer Polymers 0.000 claims description 8
- 125000001931 aliphatic group Chemical group 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229920000553 poly(phenylenevinylene) Polymers 0.000 claims description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical group [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 5
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 claims description 5
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical compound C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 claims description 5
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 5
- IUFDZNVMARBLOJ-UHFFFAOYSA-K aluminum;quinoline-2-carboxylate Chemical compound [Al+3].C1=CC=CC2=NC(C(=O)[O-])=CC=C21.C1=CC=CC2=NC(C(=O)[O-])=CC=C21.C1=CC=CC2=NC(C(=O)[O-])=CC=C21 IUFDZNVMARBLOJ-UHFFFAOYSA-K 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 229920000123 polythiophene Polymers 0.000 claims description 4
- 125000001544 thienyl group Chemical group 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 125000005678 ethenylene group Chemical group [H]C([*:1])=C([H])[*:2] 0.000 claims description 3
- IMKMFBIYHXBKRX-UHFFFAOYSA-M lithium;quinoline-2-carboxylate Chemical compound [Li+].C1=CC=CC2=NC(C(=O)[O-])=CC=C21 IMKMFBIYHXBKRX-UHFFFAOYSA-M 0.000 claims description 3
- 150000002825 nitriles Chemical class 0.000 claims description 3
- 229910052762 osmium Inorganic materials 0.000 claims description 3
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical group [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- GCFCJKKZFSBDAZ-UHFFFAOYSA-N 1,3-diphenylpropane-1,3-dione;scandium Chemical compound [Sc].C=1C=CC=CC=1C(=O)CC(=O)C1=CC=CC=C1 GCFCJKKZFSBDAZ-UHFFFAOYSA-N 0.000 claims description 2
- OGGKVJMNFFSDEV-UHFFFAOYSA-N 3-methyl-n-[4-[4-(n-(3-methylphenyl)anilino)phenyl]phenyl]-n-phenylaniline Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 OGGKVJMNFFSDEV-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- YXLXNENXOJSQEI-UHFFFAOYSA-L Oxine-copper Chemical compound [Cu+2].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 YXLXNENXOJSQEI-UHFFFAOYSA-L 0.000 claims description 2
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical group [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 2
- 150000004982 aromatic amines Chemical class 0.000 claims description 2
- 229910052790 beryllium Inorganic materials 0.000 claims description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Chemical group 0.000 claims description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 2
- 229910052741 iridium Inorganic materials 0.000 claims description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical group [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910052697 platinum Chemical group 0.000 claims description 2
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 claims description 2
- 229920002098 polyfluorene Polymers 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims 3
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 claims 2
- 125000001153 fluoro group Chemical group F* 0.000 claims 2
- 238000007740 vapor deposition Methods 0.000 claims 2
- UJPHWVYNGODIMX-UHFFFAOYSA-N 2-(1,3-benzothiazol-2-yl)phenol zinc Chemical compound [Zn].Oc1ccccc1-c1nc2ccccc2s1 UJPHWVYNGODIMX-UHFFFAOYSA-N 0.000 claims 1
- VZSNNUDOANMGNX-UHFFFAOYSA-K aluminum;4-phenylphenolate Chemical compound [Al+3].C1=CC([O-])=CC=C1C1=CC=CC=C1.C1=CC([O-])=CC=C1C1=CC=CC=C1.C1=CC([O-])=CC=C1C1=CC=CC=C1 VZSNNUDOANMGNX-UHFFFAOYSA-K 0.000 claims 1
- 239000007772 electrode material Substances 0.000 claims 1
- 150000002431 hydrogen Chemical group 0.000 claims 1
- IEXLHMWSNGVXFY-UHFFFAOYSA-L magnesium;quinoline-2-carboxylate Chemical compound [Mg+2].C1=CC=CC2=NC(C(=O)[O-])=CC=C21.C1=CC=CC2=NC(C(=O)[O-])=CC=C21 IEXLHMWSNGVXFY-UHFFFAOYSA-L 0.000 claims 1
- JYILWUOXRMWVGD-UHFFFAOYSA-M potassium;quinoline-2-carboxylate Chemical compound [K+].C1=CC=CC2=NC(C(=O)[O-])=CC=C21 JYILWUOXRMWVGD-UHFFFAOYSA-M 0.000 claims 1
- PLTCLMZAIZEHGD-UHFFFAOYSA-M sodium;quinoline-2-carboxylate Chemical compound [Na+].C1=CC=CC2=NC(C(=O)[O-])=CC=C21 PLTCLMZAIZEHGD-UHFFFAOYSA-M 0.000 claims 1
- SXKBKLGHKDARFJ-UHFFFAOYSA-L zinc;2-(1,3-benzoxazol-2-yl)phenolate Chemical compound [Zn+2].[O-]C1=CC=CC=C1C1=NC2=CC=CC=C2O1.[O-]C1=CC=CC=C1C1=NC2=CC=CC=C2O1 SXKBKLGHKDARFJ-UHFFFAOYSA-L 0.000 claims 1
- WNZNEKPFXJXMSK-UHFFFAOYSA-L zinc;quinoline-2-carboxylate Chemical compound [Zn+2].C1=CC=CC2=NC(C(=O)[O-])=CC=C21.C1=CC=CC2=NC(C(=O)[O-])=CC=C21 WNZNEKPFXJXMSK-UHFFFAOYSA-L 0.000 claims 1
- 239000010410 layer Substances 0.000 description 30
- 229910052751 metal Inorganic materials 0.000 description 23
- 239000002184 metal Substances 0.000 description 23
- 229920000642 polymer Polymers 0.000 description 17
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 14
- 230000032258 transport Effects 0.000 description 13
- 239000000243 solution Substances 0.000 description 11
- 125000000623 heterocyclic group Chemical group 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 9
- 239000011521 glass Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 238000001228 spectrum Methods 0.000 description 8
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 7
- 229910052761 rare earth metal Inorganic materials 0.000 description 7
- 150000002910 rare earth metals Chemical class 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 229920001940 conductive polymer Polymers 0.000 description 6
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 6
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 6
- 239000000203 mixture Substances 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
- 125000003367 polycyclic group Chemical group 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 102100028630 Cytoskeleton-associated protein 2 Human genes 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 101000766848 Homo sapiens Cytoskeleton-associated protein 2 Proteins 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 239000003086 colorant Substances 0.000 description 5
- WOERBKLLTSWFBY-UHFFFAOYSA-M dihydrogen phosphate;tetramethylazanium Chemical compound C[N+](C)(C)C.OP(O)([O-])=O WOERBKLLTSWFBY-UHFFFAOYSA-M 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 150000002736 metal compounds Chemical group 0.000 description 5
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 5
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 4
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Natural products C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- NZZIMKJIVMHWJC-UHFFFAOYSA-N dibenzoylmethane Chemical compound C=1C=CC=CC=1C(=O)CC(=O)C1=CC=CC=C1 NZZIMKJIVMHWJC-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
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- 229910052723 transition metal Inorganic materials 0.000 description 4
- 150000003624 transition metals Chemical class 0.000 description 4
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
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- 238000002076 thermal analysis method Methods 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
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- JVSFQJZRHXAUGT-UHFFFAOYSA-N 2,2-dimethylpropanoyl chloride Chemical compound CC(C)(C)C(Cl)=O JVSFQJZRHXAUGT-UHFFFAOYSA-N 0.000 description 2
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- OTAWLCVBTHLMLA-UHFFFAOYSA-N 5-methyl-2-phenyl-1h-pyrazol-3-one Chemical compound N1C(C)=CC(=O)N1C1=CC=CC=C1.N1C(C)=CC(=O)N1C1=CC=CC=C1 OTAWLCVBTHLMLA-UHFFFAOYSA-N 0.000 description 1
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- 229910015898 BF4 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910000882 Ca alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000723346 Cinnamomum camphora Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 229910021188 PF6 Inorganic materials 0.000 description 1
- 229910006130 SO4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009102 absorption Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- JGDITNMASUZKPW-UHFFFAOYSA-K aluminium trichloride hexahydrate Chemical compound O.O.O.O.O.O.Cl[Al](Cl)Cl JGDITNMASUZKPW-UHFFFAOYSA-K 0.000 description 1
- 229940009861 aluminum chloride hexahydrate Drugs 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 150000001450 anions Chemical group 0.000 description 1
- ILFFFKFZHRGICY-UHFFFAOYSA-N anthracene-1-sulfonic acid Chemical compound C1=CC=C2C=C3C(S(=O)(=O)O)=CC=CC3=CC2=C1 ILFFFKFZHRGICY-UHFFFAOYSA-N 0.000 description 1
- BIOPPFDHKHWJIA-UHFFFAOYSA-N anthracene-9,10-dinitrile Chemical compound C1=CC=C2C(C#N)=C(C=CC=C3)C3=C(C#N)C2=C1 BIOPPFDHKHWJIA-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000004104 aryloxy group Chemical group 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-M benzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-M 0.000 description 1
- 229940077388 benzenesulfonate Drugs 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical group OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052794 bromium Inorganic materials 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
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 229960000846 camphor Drugs 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-M ethenesulfonate Chemical compound [O-]S(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-M 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-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
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- BDVZHDCXCXJPSO-UHFFFAOYSA-N indium(3+) oxygen(2-) titanium(4+) Chemical compound [O-2].[Ti+4].[In+3] BDVZHDCXCXJPSO-UHFFFAOYSA-N 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 238000004776 molecular orbital Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- BLFVVZKSHYCRDR-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-2-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-2-amine Chemical compound C1=CC=CC=C1N(C=1C=C2C=CC=CC2=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C3C=CC=CC3=CC=2)C=C1 BLFVVZKSHYCRDR-UHFFFAOYSA-N 0.000 description 1
- VMPITZXILSNTON-UHFFFAOYSA-N o-anisidine Chemical compound COC1=CC=CC=C1N VMPITZXILSNTON-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000013110 organic ligand Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 1
- 238000000103 photoluminescence spectrum Methods 0.000 description 1
- 125000005498 phthalate group Chemical group 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000548 poly(silane) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000447 polyanionic polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical compound O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 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
- 125000001424 substituent group Chemical group 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- 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
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- H—ELECTRICITY
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- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1003—Carbocyclic compounds
- C09K2211/1007—Non-condensed systems
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- C09K2211/10—Non-macromolecular compounds
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- C09K2211/1014—Carbocyclic compounds bridged by heteroatoms, e.g. N, P, Si or B
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- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
- C09K2211/1025—Heterocyclic compounds characterised by ligands
- C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms
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- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/18—Metal complexes
- C09K2211/186—Metal complexes of the light metals other than alkali metals and alkaline earth metals, i.e. Be, Al or Mg
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
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- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/621—Aromatic anhydride or imide compounds, e.g. perylene tetra-carboxylic dianhydride or perylene tetracarboxylic di-imide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Description
特許出願WO98/58037には、特性が改善され、よりよい結果が得られたエレクトロルミネセント素子で使用することができる各種のランタニド錯体が記載されている。特許出願PCT/GB98/01773、PCT/GB99/03619、PCT/GB99/04030、PCT/GB99/04024、PCT/GB99/04028、PCT/GB00/00268には、希土類キレートを用いたエレクトロルミネセント錯体、その構造、及びその素子が記載されている。
本発明によれば、以下の式で表されるエレクトロルミネセント化合物を提供する。
Mは、例えば、リチウム、ナトリウム、カリウム、ルビジウム、セシウム、ベリリウム、マグネシウム、カルシウム、ストロンチウム、バリウム、銅、銀、金、亜鉛、ホウ素、アルミニウム、ガリウム、インジウム、ゲルマニウム、スズ、アンチモン、鉛、マンガン、鉄、ルテニウム、オスミウム、コバルト、オスミウム、ロジウム、イリジウム、ニッケル、パラジウム、白金、カドミウム、ニッケル、クロム、及び電流が流れたときに発光する第1族や第2族、第3族遷移金属等の非希土類金属から選択される金属化合物である。
好ましくは、透過基質上に析出した正孔輸送層があり、エレクトロルミネセント材料は正孔輸送層上に析出している。正孔輸送層は、正孔を輸送し、電子をブロックする役目を果たす。そうして、電子がホールと再結合しないように電子が電極へ移動するのを阻害する。したがって、キャリアの再結合は発光層で主に行われる。
ポリ(ビニルカルバゾール)、N,N’−ジフェニル−N,N’−ビス(3−メチルフェニル)−1,1’−ビフェニル−4,4’−ジアミン(TPD)、アミノで置換された芳香族化合物、ポリアニリン、置換されたポリアニリン、ポリチオフェン、置換されたポリチオフェン、ポリシラン等の置換されていない又は置換されたポリマー等の芳香族アミン錯体の膜から正孔輸送層を作ることができる。ポリアニリンの一例としては、次のポリマーがある。
本発明において使用されるポリアニリンは次のような一般的な式を有する。
ポリマーは、じっくりと十分に脱プロトン化されるのが好ましい。
芳香環は、エチル基等のC1からC20までのアルキル基によって置換されていなくてもよいし、置換されていてもよい。
使用可能な他の正孔輸送材料は、共役ポリマーである。
正孔輸送材料と発光金属化合物を、発光金属化合物95〜5%に対して正孔輸送材料5%〜95%の割合で1つの層を形成するために混合する。
エレクトロルミネセント材料は、有機溶媒で溶液から真空蒸発や蒸発により直接基質を析出することができる。使用される溶媒は、金属に依存するが、ジクロロメタンとn−メチルピロリドン等の塩素化されたヒドロカーボン、ジメチルスルフォキシド、テトラヒドロフラン、ジメチルホルムアミド等は多くの場合、適している。
第2の電極は、陰極として機能し、例えば、アルミニウム、カルシウム、リチウム、銀/マグネシウム合金等、好ましい金属はアルミニウムでるが、あらゆる低い仕事関数金属とすることができる。
1−フェニル−3−メチルピラゾール−5−one(25.0g)を、還流冷却器、滴下漏斗及びスターラーを支えている500mlの3口クイックフィット丸底フラスコに入れたジオキサン235.3mlに温めて加える。溶液を室温まで冷却する。乾燥水酸化カルシウム29.4gを溶液に加え、攪拌する。トリメチルアセチルクロライド17.7mlを、15mm以内で激しく攪拌させているフラスコ内の混合物へ滴下して加える。ピラゾロンとトリメチルアセチルクロライドのモル比は1:1である。熱反応混合物を40mm間加熱しないで攪拌し、カルシウム生成物を分解するために攪拌しながら、得られたオレンジ色の混合物を3Mの冷HCl 1176mlの中へ注ぐ。生成物をCH2Cl2へ抽出し、溶媒を蒸発させて粗生成物を得る。それから、カラムクロマトグラフィーを用いて、ジエチルエーテルペットで溶出すると、黒みをおびた赤茶色の溶液として純生成物が単離される。(エーテル(60−80℃)(3:2))。溶媒混合液を蒸発させ、オイル状の生成物を固めるために冷蔵庫におく。融点98℃。生成物の元素分析はC:69.47%、H:7.00%、N:10.69%である。計算によると、C15H〜8N2O2では、はC:69.76%、H:6.98%、N:10.85%である。
3−メチル−1−フェニルピラゾール−5−one(5g;0.029モル)をスターラーと還流冷却器を取り付けたフラスコに入れる。乾燥蒸留ジオキサン(40ml)を温めて加え、透明な溶液になるまで、tert−ブチルアセチルクロライド(4.8ml;0.034モル)を滴下しながら、水酸化カルシウム(6.4g;0.086モル)を加える。混合物を4時間加熱還流して、カルシウム錯体を分解するために2M HCl(200ml)へ注ぐ。すぐに、ライトブラウン色の沈殿物が形成され、これを一晩冷却した後、吸引ろ過をする。生成物を水で洗浄し、50℃の真空で乾燥する。灰色の結晶性固体(融点85−86℃;6.8g(82%))を与えて、メタノールで生成物を再結晶する。
エタノール(15ml)に溶解させた1−フェニル−3−メチル−4−トリメチルアセチルピラゾール−5−one(TMAP)(3.9mM)の溶液を攪拌して、水酸化ナトリウム(NaOH)(H2O 2mlに対して、3.9mM)溶液で中和する。混合物に対して、室温でAlCl3・6H2O(H2O 2mlに対して、1.3mM)を滴下して加える。混合物を室温で5分間攪拌し、さらに5分間温める。溶液から一斉に沈殿した粗生成物をろ過で収集し、水とエタノールで洗浄する。それを65℃で5時間乾燥させる。Al錯体の元素分析は次の通りである。検出したもの C:66.64%、H:6.37%、N:10.22%。計算によると、Al(C45H54N6O6)では、C:67.66%、H:6.39%、N:10.52%である。
4−tert−ブチルアセチル−3−メチル−1−フェニルピラゾール−5−one(2.0g:0.0074モル)をエタノール(25ml)に溶解し、溶液を攪拌しながら、水(5ml)にアルミニウムクロライドヘキサハイドレート(0.6g:0.0025モル)を加えた溶液に溶解させる。5分以内で沈殿物が形成される。反応混合物は18時間室温で攪拌され、吸引ろ過する。生成物は、脱イオン化水、エタノールでじっくりと洗浄され、70℃で10時間真空で乾燥される。(1.85g(53%).融点236.5−237度)
DSC分析は、231℃での開始融解点と236℃でのピークの融解を示している。
IR(KBr)スペクトルは2943,1607,1488、1431、1080、及び753cm-1で現れた主要な吸収を示す。
PL測定
Lot Oriel Multispec Model 77400 CCD カメラにより、PLスペクトルを測定した。
PL 効果:0.034cdm-2μlW-1
カラーコーディネート: x 0.19; y 0.21
最大ピーク:450nm(FWHM〜110nm)
ITO被膜ガラス片(1×1cm2)は、ITOを除去するため濃塩酸でエッチされた部分があり、汚れも無く、乾燥されている。素子は、吸引減圧によりITOに順に形成することにより製造される。層は以下より構成される。
ITO(100Ω/sqr.m)/CuPc(2.5mg;〜7.8nm)/TPD(10.4mg;〜44.8nm)/Al(TMAP)3(10.6mg;〜61.6)nm)/LiF(0.59mg;〜2.7nm)/Al
上記で、ITOはインジウムチタニウム酸化物被膜ガラスのことであり、CuPcは銅フタロシアニンであり、TPDは本明細書で定義したものである。
電流は、素子にわたって作用し、電流対電圧のプロットは、図8のグラフに示す。電圧に対する明るさのプロットを図9に示す。電圧に対する電流効果のプロットを図10に示す。電圧に対する電力プロットを図11に示す。エレクトロルミネセントスペクトルを図12に示す。
エレクトロルミネセントスペクトルは、図15に示される。パーキンエルマーサーマル分析を用いた熱フロー特性を図16に示す。ここでは、40℃/分で50から300℃まで熱し、300℃を50℃/分で冷やす。
エレクトロルミネセント特性を測定し、その結果を表5に示す。
Claims (13)
- 第 1 の電極と、第 2 の電極と、式( I )の化合物を有するエレクトロルミネセンス材料層からなり、
M は、リチウム、銅、アルミニウム、ルテニウム、オスミウム、イリジウム、パラジウム、または白金であり、
n は、 M の原子価であり、
R 1 、 R 2 及び R 3 は、それぞれ同じまたは異なっているものであって、水素、脂肪族基、芳香族環構造、フルオロカーボン、ハロゲン、チオフェニル基、または二トリルから選択されるものである
ことを特徴とするエレクトロルミネセンス素子。 - 前記エレクトロルミネセンス材料は、前記式( I )の化合物からなり、 M はアルミニウムであり、 R 1 はメチルであり、 R 2 はフッ素またはシアノ基で選択的に置換されたフェニルであり、 R 3 は C 1 − C 5 アルキル、フェニル、ベンジル、ベンジルもしくはフェネチル、またはフェニルがフッ素またはシアノ基で置換されたフェニル、ベンジルもしくはフェニチルのいずれかである
ことを特徴とする請求項1に記載のエレクトロルミネセンス素子。 - 前記式( I )の化合物は、以下の式( a )〜( h )のいずれかである
- 前記第1の電極と前記エレクトロルミネセント材料層との間に正孔輸送材料層がある
ことを特徴とする請求項1〜3のうちいずれか1項に記載のエレクトロルミネセンス素子。 - 前記正孔輸送材料は、芳香族アミンからなる
ことを特徴とする請求項4に記載のエレクトロルミネセンス素子。 - 前記正孔輸送材料は、 N,N ’‐ジフェニル‐ N,N ’‐ジ(ナフタレン -1- イル)‐ 1,1 ’‐ビフェニル‐ 4,4 ’‐ジアミン(α‐ NBP )、 N,N ’‐ジフェニル‐ N,N ’‐ビス( 3 ‐メチルフェニル)‐ 1,1 ’‐ビフェニル‐ 4,4 ’‐ジアミン( TPD )、トリ[ 4 ‐( N ‐フェニル‐ N ‐ m ‐トリル)アミノ]フェニルアミン( mTADATA )、
のうちのいずれかからなる
ことを特徴とする請求項5に記載のエレクトロルミネセンス素子。 - 前記正孔輸送層は、共役重合体からなる
ことを特徴とする請求項4に記載のエレクトロルミネセンス素子。 - 前記正孔輸送層は、
ポリ(ビニルカルバゾール)、
ポリアニリン、
ポリ( p ‐フェニレンビニレン)‐ PPV 及びその共重合体、
ポリ( 2,5 ‐ジアルコキシフェニレンビニレン)、
ポリフルオレンまたはオリゴフルオレン、
ポリフェニレンまたはオリゴフェニレン、
ポリアントラセンまたはオリゴアントラセン、及び
ポリチオフェンまたはオリゴチオフェン
からなる基から選択される材料のうちの1つからなる
ことを特徴とする請求項7に記載のエレクトロルミネセンス素子。 - 前記第2の電極と前記エレクトロルミネセント材料層との間に電子輸送材料層がある
ことを特徴とする請求項1〜8のうちいずれか1項に記載のエレクトロルミネセンス素子。 - 前記電子輸送材料は、リチウムキノレート、ナトリウムキノレート、カリウムキノレート、亜鉛キノレート、マグネシウムキノレート、アルミニウムキノレート、ベリリウムキノレート( Bebq )、ビキノイルアルミニウム 4 ‐フェニルフェノレート( BAlql )、亜鉛 2 ‐(ベンゾ [d] オキサゾール‐ 2 ‐イル)フェノレート( ZnPBO )、亜鉛 2 ‐(ベンゾ [d] チアゾール‐ 2 ‐イル)フェノール( ZnPBT )、もしくは以下の(i)〜(n)のいずれか
ことを特徴とする請求項9に記載のエレクトロルミネセンス素子。 - 前記第 1 及び前記第 2 の電極のうちの少なくとも1つは、結晶シリコン基板の蒸着表面上に形成され、該基板の蒸着表面は、電極材料またはエレクトロルミネセンス材料の堆積に優先して平らな表面を生成するために研磨又は滑らかにする
ことを特徴とする請求項1〜10のうちいずれか1項に記載のエレクトロルミネセンス素子。 - 前記第 1 及び前記第 2 の電極のうちの少なくとも1つは、非平坦化シリコン基板の表面上に形成される
ことを特徴とする請求項1〜10のうちいずれか1項に記載のエレクトロルミネセンス素子。 - 前記第1の電極に銅フタロシアニン層があり、前記第2の電極にフッ化リチウム層がある
ことを特徴とする請求項1〜12のうちいずれか1項に記載のエレクトロルミネセンス素子。
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TWI303533B (en) | 2001-06-15 | 2008-11-21 | Oled T Ltd | Electroluminescent devices |
GB0116644D0 (en) * | 2001-07-09 | 2001-08-29 | Elam T Ltd | Electroluminescent materials and devices |
EP1414927A1 (en) | 2001-08-04 | 2004-05-06 | Elam-T Limited | Electroluminescent device |
GB0228335D0 (en) * | 2002-12-05 | 2003-01-08 | Elam T Ltd | Electroluminescent materials and devices |
-
2001
- 2001-07-09 GB GBGB0116644.6A patent/GB0116644D0/en not_active Ceased
-
2002
- 2002-07-09 EP EP02740949A patent/EP1404778A1/en active Pending
- 2002-07-09 US US10/483,137 patent/US7211334B2/en not_active Expired - Fee Related
- 2002-07-09 WO PCT/GB2002/003163 patent/WO2003006573A1/en active Application Filing
- 2002-07-09 JP JP2003512332A patent/JP4268517B2/ja not_active Expired - Fee Related
-
2007
- 2007-04-27 US US11/796,256 patent/US7887933B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1404778A1 (en) | 2004-04-07 |
US20050175855A1 (en) | 2005-08-11 |
WO2003006573A1 (en) | 2003-01-23 |
US7211334B2 (en) | 2007-05-01 |
US7887933B2 (en) | 2011-02-15 |
JP2004534102A (ja) | 2004-11-11 |
GB0116644D0 (en) | 2001-08-29 |
US20070259208A1 (en) | 2007-11-08 |
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