KR20010042727A - 유기 전자 발광 소자 및 그의 제조 방법 - Google Patents
유기 전자 발광 소자 및 그의 제조 방법 Download PDFInfo
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- KR20010042727A KR20010042727A KR1020007011450A KR20007011450A KR20010042727A KR 20010042727 A KR20010042727 A KR 20010042727A KR 1020007011450 A KR1020007011450 A KR 1020007011450A KR 20007011450 A KR20007011450 A KR 20007011450A KR 20010042727 A KR20010042727 A KR 20010042727A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 74
- 229910010272 inorganic material Inorganic materials 0.000 claims abstract description 111
- 150000002484 inorganic compounds Chemical class 0.000 claims abstract description 108
- 150000001875 compounds Chemical class 0.000 claims abstract description 68
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 35
- 229910052718 tin Inorganic materials 0.000 claims abstract description 30
- 150000004770 chalcogenides Chemical class 0.000 claims abstract description 27
- 229910052738 indium Inorganic materials 0.000 claims abstract description 25
- 229910052793 cadmium Inorganic materials 0.000 claims abstract description 17
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 15
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 14
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 11
- 229910052745 lead Inorganic materials 0.000 claims abstract description 11
- 230000000737 periodic effect Effects 0.000 claims abstract description 10
- 239000010409 thin film Substances 0.000 claims description 153
- 239000000463 material Substances 0.000 claims description 82
- 239000010408 film Substances 0.000 claims description 64
- 238000002347 injection Methods 0.000 claims description 39
- 239000007924 injection Substances 0.000 claims description 39
- 150000004767 nitrides Chemical class 0.000 claims description 23
- 125000003118 aryl group Chemical group 0.000 claims description 19
- 238000004544 sputter deposition Methods 0.000 claims description 18
- 238000001771 vacuum deposition Methods 0.000 claims description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
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- 229910052708 sodium Inorganic materials 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 229910052744 lithium Inorganic materials 0.000 claims description 14
- 229910052792 caesium Inorganic materials 0.000 claims description 12
- 229910052791 calcium Inorganic materials 0.000 claims description 12
- 229910052712 strontium Inorganic materials 0.000 claims description 12
- 229910052701 rubidium Inorganic materials 0.000 claims description 11
- 125000005504 styryl group Chemical group 0.000 claims description 11
- 229910052741 iridium Inorganic materials 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 229910052763 palladium Inorganic materials 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- 229910052702 rhenium Inorganic materials 0.000 claims description 6
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- 229910052720 vanadium Inorganic materials 0.000 claims description 5
- 150000001491 aromatic compounds Chemical class 0.000 claims description 4
- IUHFWCGCSVTMPG-UHFFFAOYSA-N [C].[C] Chemical compound [C].[C] IUHFWCGCSVTMPG-UHFFFAOYSA-N 0.000 claims description 3
- 150000002894 organic compounds Chemical class 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 455
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- 238000002834 transmittance Methods 0.000 description 16
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- OSQXTXTYKAEHQV-WXUKJITCSA-N 4-methyl-n-[4-[(e)-2-[4-[4-[(e)-2-[4-(4-methyl-n-(4-methylphenyl)anilino)phenyl]ethenyl]phenyl]phenyl]ethenyl]phenyl]-n-(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(\C=C\C=2C=CC(=CC=2)C=2C=CC(\C=C\C=3C=CC(=CC=3)N(C=3C=CC(C)=CC=3)C=3C=CC(C)=CC=3)=CC=2)=CC=1)C1=CC=C(C)C=C1 OSQXTXTYKAEHQV-WXUKJITCSA-N 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
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- 238000007740 vapor deposition Methods 0.000 description 10
- 239000011787 zinc oxide Substances 0.000 description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 9
- 239000002019 doping agent Substances 0.000 description 9
- 229910003437 indium oxide Inorganic materials 0.000 description 9
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 8
- 238000001755 magnetron sputter deposition Methods 0.000 description 8
- 229910044991 metal oxide Inorganic materials 0.000 description 8
- 150000004706 metal oxides Chemical class 0.000 description 8
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000011133 lead Substances 0.000 description 7
- 125000001624 naphthyl group Chemical group 0.000 description 7
- 238000004528 spin coating Methods 0.000 description 7
- 238000007738 vacuum evaporation Methods 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
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- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 125000001424 substituent group Chemical group 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
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- 230000000694 effects Effects 0.000 description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 4
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- 238000012545 processing Methods 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
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- 238000002156 mixing Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical class C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 3
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- 239000005725 8-Hydroxyquinoline Substances 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
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- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 229910001508 alkali metal halide Inorganic materials 0.000 description 2
- 150000008045 alkali metal halides Chemical class 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
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- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- HTXDPTMKBJXEOW-UHFFFAOYSA-N dioxoiridium Chemical compound O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000007850 fluorescent dye Substances 0.000 description 2
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- 238000004770 highest occupied molecular orbital Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 238000007733 ion plating Methods 0.000 description 2
- 229910000457 iridium oxide Inorganic materials 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Inorganic materials [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 2
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 description 2
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- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- HONWGFNQCPRRFM-UHFFFAOYSA-N 2-n-(3-methylphenyl)-1-n,1-n,2-n-triphenylbenzene-1,2-diamine Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C(=CC=CC=2)N(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 HONWGFNQCPRRFM-UHFFFAOYSA-N 0.000 description 1
- CNGYZEMWVAWWOB-VAWYXSNFSA-N 5-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(e)-2-[4-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound N=1C(NC=2C=C(C(\C=C\C=3C(=CC(NC=4N=C(N=C(NC=5C=CC=CC=5)N=4)N(CCO)CCO)=CC=3)S(O)(=O)=O)=CC=2)S(O)(=O)=O)=NC(N(CCO)CCO)=NC=1NC1=CC=CC=C1 CNGYZEMWVAWWOB-VAWYXSNFSA-N 0.000 description 1
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 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
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
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- 241001249696 Senna alexandrina Species 0.000 description 1
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- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
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- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
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- 125000004185 ester group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- 238000011835 investigation Methods 0.000 description 1
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- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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Classifications
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
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- H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
- H10K50/171—Electron injection layers
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- 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
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/81—Anodes
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
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- H10K50/82—Cathodes
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- 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
- 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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- 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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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
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Abstract
Description
측정점 | 막 두께(Å) | Cs/Al |
4A | 1053 | 1.0 |
4B | 1035 | 1.0 |
4C | 1047 | 1.0 |
4D | 1088 | 1.1 |
4E | 1091 | 1.0 |
4F | 1093 | 1.1 |
4G | 1082 | 1.1 |
4H | 1075 | 1.0 |
4I | 1082 | 1.1 |
4J | 1065 | 1.1 |
4K | 1010 | 1.0 |
4L | 1008 | 1.0 |
4M | 1025 | 1.0 |
측정점 | 막 두께(Å) | Cs/Al |
4A | 895 | 0.6 |
4B | 941 | 1.1 |
4C | 884 | 1.1 |
4D | 911 | 0.7 |
4E | 922 | 1.1 |
4F | 1022 | 0.8 |
4G | 919 | 1.2 |
4H | 1015 | 1.3 |
4I | 1067 | 0.7 |
4J | 908 | 1.2 |
4K | 895 | 0.5 |
4L | 920 | 1.0 |
4M | 950 | 1.1 |
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | |
양극층 재료Ip(eV)막 두께(nm) | ITO5.075 | ITO5.075 | ITO5.075 | ITO5.075 |
무기 박막층 재료Ip(eV)막 두께(nm) | 산화Sn/산화Ru5.531 | SiOx/산화Ru5.532 | GeOx/산화Mo5.471 | SiOx/산화Ru(10.1.5)5.545 |
발광층 재료막 두께(nm) | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 |
전자 주입층 재료막 두께(nm) | Alq5 | Alq5 | Alq5 | |
음극층 재료막 두께(nm) | Al/Li200 | Al/Li200 | Al/Li200 | Al/Li200 |
전류 밀도(mA/cm2) | 1.5 | 1.7 | 1.3 | 1.0 |
발광 휘도(cd/m2) | 127 | 137 | 114 | 130 |
내구성 | 1000시간 이상 | 1000시간 이상 | 1000시간 이상 | 1000시간 이상 |
투과율(%) | 83 | 83 | 82 | 83 |
비교예 1 | 비교예 2 | 비교예 3 | |
양극층 재료Ip(eV)막 두께(nm) | ITO5.075 | ITO5.075 | ITO5.075 |
무기 박막층 재료Ip(eV)막 두께(nm) | 산화Sn4.810 | 산화Ru5.410 | |
발광층 재료막 두께(nm) | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 |
전자 주입층 재료막 두께(nm) | Alq5 | Alq5 | Alq5 |
음극층 재료막 두께(nm) | Al/Li200 | Al/Li200 | Al/Li200 |
전류 밀도(mA/cm2) | 2.2 | 0.9 | 0.6 |
발광 휘도(cd/m2) | 127 | 68 | 20 |
내구성 | 1000시간 이상 | 1000시간 이상 | 1000시간 이상 |
투과율(%) | 87 | 80 | 53 |
실시예 11 | 실시예 12 | 실시예 13 | 실시예 14 | |
양극층 재료Ip(eV)막 두께(nm) | 산화In/산화Ir5.5475 | 산화In/산화Sn/산화Zn/산화Mo5.4675 | 산화In/산화Sn/산화Zn/산화Pd5.6075 | 산화In/산화Sn/산화Zn/산화Re5.5275 |
발광층 재료막 두께(nm) | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 |
전자 주입층 재료막 두께(nm) | Alq5 | Alq5 | Alq5 | Alq5 |
음극층 재료막 두께(nm) | Al/Li200 | Al/Li200 | Al/Li200 | Al/Li200 |
전류 밀도(mA/cm2) | 1.2 | 1.1 | 1.4 | 1.2 |
발광 휘도(cd/m2) | 97 | 89 | 108 | 94 |
내구성 | 1000시간 이상 | 1000시간 이상 | 1000시간 이상 | 1000시간 이상 |
광 투과율(%) | 80 | 79 | 77 | 81 |
실시예 21 | 실시예 22 | 실시예 23 | 실시예 24 | 실시예 25 | 실시예 26 | 비교예 4 | |
양극층 재료Ip(eV)막 두께(nm) | 산화In/산화Sn/산화Zn/산화Ru5.5275 | 산화In/산화Sn/산화Zn/산화V5.4575 | 산화In/산화Sn/산화Zn/산화Ir5.4975 | 산화In/산화Zn/카본5.3175 | 산화In/산화Sn/산화Zn/산화Si5.2675 | 산화In/산화Sn/산화Zn/카본5.3075 | 산화In/산화Sn/산화Zn/5.2375 |
발광층 재료막 두께(nm) | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 | DPVTP/DPAVBi40 |
전자 주입층 재료막 두께(nm) | Alq5 | Alq5 | Alq5 | Alq5 | Alq5 | Alq5 | Alq5 |
음극층 재료막 두께(nm) | Al/Li200 | Al/Li200 | Al/Li200 | Al/Li200 | Al/Li200 | Al/Li200 | Al/Li200 |
전류 밀도(mA/cm2) | 1.2 | 1.1 | 1.2 | 1.4 | 1.1 | 2.4 | 0.6 |
발광 휘도(cd/m2) | 95 | 84 | 93 | 120 | 90 | 190 | 49 |
내구성 | 1000시간 이상 | 1000시간 이상 | 1000시간 이상 | 1000시간 이상 | 1000시간 이상 | 1000시간 이상 | 1000시간 이상 |
광 투과율(%) | 81 | 80 | 81 | 77 | 81 | 78 | 79 |
Claims (16)
- 적어도 양극층, 유기 발광층 및 음극층을 갖는 유기 전자 발광 소자로서,상기 양극층과 유기 발광층의 사이 및 음극층과 유기 발광층의 사이, 또는 어느 한쪽의 사이에 무기 박막층을 마련하고, 상기 양극층과 유기 발광층의 사이에 제 1 무기 박막층을 마련한 경우에는, 상기 제 1 무기 박막층의 중간 준위를 상기 유기 발광층의 이온화 포텐셜보다 작은 값으로 하고, 상기 음극층과 유기 발광층의 사이에 제 2 무기 박막층을 마련한 경우에는, 상기 제 2 무기 박막층의 중간 준위를 상기 유기 발광층의 전자 친화력보다 큰 값으로 함과 동시에, 상기 제 1 무기 박막층의 중간 준위 및 제 2 무기 박막층의 중간 준위, 또는 어느 한쪽의 중간 준위를 거쳐서 전하 주입을 수행함을 특징으로 하는 유기 전자 발광 소자.
- 제 1 항에 있어서,제 1 무기 박막층 및 제 2 무기 박막층, 또는 어느 한쪽의 무기 박막층이 Si, Ge, Sn, Pb, Ga, In, Zn, Cd, Mg, Al, Ba, K, Li, Na, Ca, Sr, Cs 및 Rb의 칼코게나이드 또는 이들의 질화물로 이루어진 A군에서 선택된 하나 이상의 화합물 및 주기율표 5A 내지 8족의 화합물로 이루어진 B군에서 선택된 하나 이상의 화합물을 함유함을 특징으로 하는 유기 전자 발광 소자.
- 제 1 항 또는 제 2 항에 있어서,제 1 무기 박막층 또는 제 2 무기 박막층의 밴드 갭 에너지 값을 Ba, 유기 발광층의 밴드 갭 에너지 값을 Bh로 하는 경우에, Ba〉Bh의 관계를 만족시킴을 특징으로 하는 유기 전자 발광 소자.
- 제 2 항 또는 제 3 항에 있어서,A군의 무기 화합물이 Si, Ge, Sn, Zn, Cd, Al 및 Mg의 칼코게나이드 또는 이들의 질화물임을 특징으로 하는 유기 전자 발광 소자.
- 제 2 항 내지 제 4 항중 어느 한 항에 있어서,B군의 무기 화합물이 Ru, V, Mo, Re, Pd 및 Ir의 산화물임을 특징으로 하는 유기 전자 발광 소자.
- 제 2 항 내지 제 5 항중 어느 한 항에 있어서,제 1 무기 박막층 및 제 2 무기 박막층의 전체량을 100원자%로 하는 경우에, B군의 무기 화합물의 함유량을 0.1 내지 50원자%의 범위내의 값으로 함을 특징으로 하는 유기 전자 발광 소자.
- 제 1 항 내지 제 6 항중 어느 한 항에 있어서,제 1 무기 박막층 및 제 2 무기 박막층의 막 두께를 1 내지 100nm의 범위내의 값으로 함을 특징으로 하는 유기 전자 발광 소자.
- 적어도 양극층, 유기 발광층 및 음극층을 갖는 유기 전자 발광 소자로서,상기 양극층 및 음극층 또는 어느 한쪽의 전극층이, Si, Ge, Sn, Pb, Ga, In, Zn, Cd, Mg, Al, Ba, K, Li, Na, Ca, Sr, Cs 및 Rb의 칼코게나이드 또는 이들의 질화물로 이루어진 A-1군에서 선택된 하나 이상의 무기 화합물 및 주기율표 5A 내지 8족의 무기 화합물 또는 탄소(카본)로 이루어진 B-1군에서 선택된 하나 이상의 화합물, 또는 Ge, Sn, Pb, Ga, In, Zn, Cd, Mg, Al, Ba, K, Li, Na, Ca, Sr, Cs 및 Rb의 칼코게나이드 또는 이들의 질화물로 이루어진 A-2군에서 선택된 하나 이상의 무기 화합물 및 주기율표 5A 내지 8족의 무기 화합물, Si의 칼코게나이드 또는 질화물 및 탄소(카본)로 이루어진 B-2군에서 선택된 하나 이상의 화합물을 함유함을 특징으로 하는 유기 전자 발광 소자.
- 제 8 항에 있어서,양극층 및 음극층, 또는 어느 한쪽의 전극층의 비저항치를 1Ω·cm 미만의 값으로 함을 특징으로 하는 유기 전자 발광 소자.
- 제 8 항 또는 제 9 항에 있어서,A-1군 또는 A-2군의 무기 화합물이 Sn, In 및 Zn의 칼코게나이드 또는 이들의 질화물임을 특징으로 하는 유기 전자 발광 소자.
- 제 8 항 내지 제 10 항중 어느 한 항에 있어서,B-1군 또는 B-2군의 화합물이 Ru, Re, V, Mo, Pd 및 Ir의 산화물임을 특징으로 하는 유기 전자 발광 소자.
- 제 8 항 내지 제 11 항중 어느 한 항에 있어서,양극층 또는 음극층의 전체량을 100원자%로 하는 경우에, B-1군 또는 B-2군의 화합물의 함유량을 0.5 내지 30원자%의 범위내의 값으로 함을 특징으로 하는 유기 전자 발광 소자.
- 제 8 항 내지 제 12 항중 어느 한 항에 있어서,전극층의 막 두께를 1 내지 1OOnm의 범위내의 값으로 함을 특징으로 하는 유기 전자 발광 소자.
- 제 1 항 내지 제 13 항중 어느 한 항에 있어서,유기 발광층이 하기 화학식 1 내지 3으로 표시되는 스티릴기를 갖는 방향족 화합물을 하나 이상 포함함을 특징으로 하는 유기 전자 발광 소자:화학식 1[상기 식에서,Ar1은 탄소수 6 내지 50의 방향족기이며,Ar2, Ar3및 Ar4는 각각 수소 원자 또는 탄소수 6 내지 50의 방향족기이며,Ar1, Ar2, Ar3및 Ar4중 하나 이상은 방향족기이며,축합수 n은 1 내지 6의 정수이다]화학식 2[상기 식에서,Ar5는 탄소수 6 내지 50의 방향족기이며,Ar6및 Ar7은 각각 수소 원자 또는 탄소수 6 내지 50의 방향족기이며,Ar5, Ar6및 Ar7중 하나 이상은 스티릴기를 함유하고,축합수 m은 1 내지 6의 정수이다]화학식 3[상기 식에서,Ar8및 Ar14는 탄소수 6 내지 50의 방향족기이며,Ar9내지 Ar13은 각각 수소 원자 또는 탄소수 6 내지 50의 방향족기이며,Ar8내지 Ar14중 하나 이상은 스티릴기를 함유하고,축합수 p, q, r 및 s는 각각 O 또는 1이다].
- 유기 전자 발광 소자를 구성하는 하나 이상의 층을, 회전증착 장치를 사용하여 진공 증착법 및 스퍼터링법, 또는 어느 한쪽의 방법에 의해 형성함을 특징으로 하는,제 1 항 내지 제 14 항중 어느 한 항에 따른 유기 전자 발광 소자의 제조 방법.
- 제 15 항에 있어서,제 1 무기 박막층 및 제 2 무기 박막층, 또는 어느 한쪽의 무기 박막층을 스퍼터링법에 의해 형성하고, 유기 발광층을 진공 증착법에 의해 형성함을 특징으로 하는 유기 전자 발광 소자의 제조 방법.
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DE69027697T2 (de) * | 1989-03-31 | 1997-01-23 | Toshiba Kawasaki Kk | Organische elektrolumineszente Vorrichtung |
JP2895868B2 (ja) * | 1989-08-21 | 1999-05-24 | 出光興産株式会社 | 有機エレクトロルミネッセンス素子 |
US5349209A (en) * | 1992-07-30 | 1994-09-20 | Motorola, Inc. | Diamond/organic LED |
JP3332491B2 (ja) * | 1993-08-27 | 2002-10-07 | 三洋電機株式会社 | 有機el素子 |
JPH07147456A (ja) * | 1993-11-25 | 1995-06-06 | Sony Corp | 半導体装置 |
US5589733A (en) * | 1994-02-17 | 1996-12-31 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Electroluminescent element including a dielectric film of tantalum oxide and an oxide of either indium, tin, or zinc |
US5981092A (en) * | 1996-03-25 | 1999-11-09 | Tdk Corporation | Organic El device |
JP3645642B2 (ja) * | 1996-03-25 | 2005-05-11 | Tdk株式会社 | 有機エレクトロルミネセンス素子 |
JP3564859B2 (ja) * | 1996-04-01 | 2004-09-15 | 東洋インキ製造株式会社 | 有機エレクトロルミネッセンス素子用材料およびそれを使用した有機エレクトロルミネッセンス素子 |
US6433355B1 (en) * | 1996-06-05 | 2002-08-13 | International Business Machines Corporation | Non-degenerate wide bandgap semiconductors as injection layers and/or contact electrodes for organic electroluminescent devices |
JP3228502B2 (ja) * | 1996-10-08 | 2001-11-12 | 出光興産株式会社 | 有機エレクトロルミネッセンス素子 |
JPH10321376A (ja) * | 1997-03-19 | 1998-12-04 | Minolta Co Ltd | 有機エレクトロルミネセンス素子 |
JPH1126169A (ja) * | 1997-07-04 | 1999-01-29 | Tdk Corp | 有機el素子およびその製造方法 |
JPH1167459A (ja) * | 1997-08-12 | 1999-03-09 | Tdk Corp | 有機el素子およびその製造方法 |
JPH11204266A (ja) * | 1998-01-08 | 1999-07-30 | Mitsubishi Electric Corp | 有機エレクトロルミネッセンス素子 |
JP3776600B2 (ja) * | 1998-08-13 | 2006-05-17 | Tdk株式会社 | 有機el素子 |
WO2000048431A1 (en) | 1999-02-15 | 2000-08-17 | Idemitsu Kosan Co., Ltd. | Organic electroluminescent device and method of manufacture thereof |
KR100722084B1 (ko) * | 1999-04-30 | 2007-05-25 | 이데미쓰 고산 가부시키가이샤 | 유기 전기발광 소자 및 그의 제조방법 |
-
2000
- 2000-02-15 WO PCT/JP2000/000832 patent/WO2000048431A1/ja active IP Right Grant
- 2000-02-15 KR KR1020007011450A patent/KR100702763B1/ko not_active Expired - Fee Related
- 2000-02-15 CN CNB008001510A patent/CN100382354C/zh not_active Expired - Fee Related
- 2000-02-15 EP EP00902980A patent/EP1083776A4/en not_active Withdrawn
- 2000-09-27 US US09/671,296 patent/US6416888B1/en not_active Expired - Lifetime
-
2002
- 2002-04-17 US US10/123,169 patent/US6635365B2/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8242487B2 (en) | 2008-05-16 | 2012-08-14 | E I Du Pont De Nemours And Company | Anode for an organic electronic device |
US8846441B2 (en) | 2008-05-16 | 2014-09-30 | E I Du Pont De Nemours And Company | Anode for an organic electronic device |
WO2010065505A3 (en) * | 2008-12-01 | 2010-08-26 | E. I. Du Pont De Nemours And Company | Anode for an organic electronic device |
US8461758B2 (en) | 2008-12-19 | 2013-06-11 | E I Du Pont De Nemours And Company | Buffer bilayers for electronic devices |
Also Published As
Publication number | Publication date |
---|---|
EP1083776A1 (en) | 2001-03-14 |
US6635365B2 (en) | 2003-10-21 |
WO2000048431A1 (en) | 2000-08-17 |
US20020155319A1 (en) | 2002-10-24 |
KR100702763B1 (ko) | 2007-04-03 |
EP1083776A4 (en) | 2003-10-15 |
CN1294834A (zh) | 2001-05-09 |
CN100382354C (zh) | 2008-04-16 |
US6416888B1 (en) | 2002-07-09 |
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