ORGANIC ELECTROLUMINESCENT ELEMENT

ORGANIC ELECTROLUMINESCENT ELEMENT

There is provided an organic EL element having high efficiency and high driving stability despite having a low driving voltage. An organic electroluminescent element has a light-emitting layer between an anode and a cathode which face each other, and the light-emitting layer contains a first host se...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TADA, Masashi, OGAWA, Junya
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
HETEROCYCLIC COMPOUNDS
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC CHEMISTRY
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:There is provided an organic EL element having high efficiency and high driving stability despite having a low driving voltage. An organic electroluminescent element has a light-emitting layer between an anode and a cathode which face each other, and the light-emitting layer contains a first host selected from among indolocarbazole compounds represented by formula (1), a second host selected from among biscarbazole compounds represented by formula (2), and a light-emitting dopant material: