ORGANIC ELECTROLUMINESCENT DEVICES AND COMPOSITION

ORGANIC ELECTROLUMINESCENT DEVICES AND COMPOSITION

An organic light emitting device contains a cathode, an anode, and has located there-between a light emitting layer, comprising co-hosts including a hole transporting compound and a particular aluminum chelate, together with at least one light emitting Iridium compound, wherein the Iridium compound...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BROWN, CHRISTOPHER TYLER, HUO, SHOUQUAN, KONDAKOVA, MARINA EDUARDOVNA, PLACE, DAVID WILLIAM, DEATON, JOSEPH CHARLES
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ADHESIVES
BASIC ELECTRIC ELEMENTS
CHEMISTRY
DYES
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:An organic light emitting device contains a cathode, an anode, and has located there-between a light emitting layer, comprising co-hosts including a hole transporting compound and a particular aluminum chelate, together with at least one light emitting Iridium compound, wherein the Iridium compound is a tris C^N-cyclometallated complex with a triplet energy less than or equal to the triplet energy of each of the co-hosts.