WO2003060956A3 - New material for transporting electrons and organic electroluminescent display using the same - Google Patents

New material for transporting electrons and organic electroluminescent display using the same Download PDF

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Publication number
WO2003060956A3
WO2003060956A3 PCT/KR2003/000112 KR0300112W WO03060956A3 WO 2003060956 A3 WO2003060956 A3 WO 2003060956A3 KR 0300112 W KR0300112 W KR 0300112W WO 03060956 A3 WO03060956 A3 WO 03060956A3
Authority
WO
WIPO (PCT)
Prior art keywords
electroluminescent display
organic electroluminescent
materials
stability
same
Prior art date
Application number
PCT/KR2003/000112
Other languages
French (fr)
Other versions
WO2003060956A2 (en
Inventor
Seok-Hee Yoon
Jae-Soon Bae
Youn-Gu Lee
Sung-Gap Im
Jae-Chol Lee
Ji-Eun Kim
Kong-Kyeom Kim
Se-Hwan Son
Young-Kyu Han
Original Assignee
Lg Chemical Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lg Chemical Ltd filed Critical Lg Chemical Ltd
Priority to EP03729561.5A priority Critical patent/EP1465874B1/en
Priority to JP2003560958A priority patent/JP4308663B2/en
Priority to CN038001551A priority patent/CN1625552B/en
Priority to AU2003215914A priority patent/AU2003215914A1/en
Publication of WO2003060956A2 publication Critical patent/WO2003060956A2/en
Priority to TW092121428A priority patent/TWI227655B/en
Publication of WO2003060956A3 publication Critical patent/WO2003060956A3/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
    • 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
    • C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • C07D235/08—Radicals containing only hydrogen and carbon atoms
    • 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
    • C07D235/18—Benzimidazoles; Hydrogenated benzimidazoles with aryl radicals directly attached in position 2
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H10K85/626—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
    • H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
    • 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
    • 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]
    • H10K50/14—Carrier transporting layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
    • H10K85/622—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing four rings, e.g. pyrene
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
    • H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/649—Aromatic compounds comprising a hetero atom
    • H10K85/654—Aromatic compounds comprising a hetero atom comprising only nitrogen as heteroatom
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/917—Electroluminescent

Abstract

Novel materials for electron injection/transportation and emitting layers can greatly improve the stability of an organic electroluminescent display. Electroluminescent displays incorporating these materials produce blue light at low voltage levels. These novel organic materials include compounds in which 1 to 2 imidazole functional groups are introduced in the 2 or 2,6-site of 9,10 substituted anthracene. An organic electroluminescent display with an organic compound layer of these materials has high efficiency, thermal stability, operationally stability and maintains driving voltage before and after operation.
PCT/KR2003/000112 2002-01-18 2003-01-17 New material for transporting electrons and organic electroluminescent display using the same WO2003060956A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP03729561.5A EP1465874B1 (en) 2002-01-18 2003-01-17 New material for transporting electrons and organic electroluminescent display using the same
JP2003560958A JP4308663B2 (en) 2002-01-18 2003-01-17 New electron transport material and organic light emitting device using the same
CN038001551A CN1625552B (en) 2002-01-18 2003-01-17 New material for transporting electrons and organic electroluminescent display using the same
AU2003215914A AU2003215914A1 (en) 2002-01-18 2003-01-17 New material for transporting electrons and organic electroluminescent display using the same
TW092121428A TWI227655B (en) 2002-01-18 2003-08-05 New material for transporting electrons and organic electroluminescent display using the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020020003025A KR100691543B1 (en) 2002-01-18 2002-01-18 New material for transporting electron and organic electroluminescent display using the same
KR10-2002-0003025 2002-01-18

Publications (2)

Publication Number Publication Date
WO2003060956A2 WO2003060956A2 (en) 2003-07-24
WO2003060956A3 true WO2003060956A3 (en) 2003-11-13

Family

ID=19718612

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2003/000112 WO2003060956A2 (en) 2002-01-18 2003-01-17 New material for transporting electrons and organic electroluminescent display using the same

Country Status (8)

Country Link
US (1) US6878469B2 (en)
EP (1) EP1465874B1 (en)
JP (1) JP4308663B2 (en)
KR (1) KR100691543B1 (en)
CN (1) CN1625552B (en)
AU (1) AU2003215914A1 (en)
TW (1) TWI227655B (en)
WO (1) WO2003060956A2 (en)

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