ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

A compound comprising a first ligand LA of Formula I,is provided. In Formula I, ring A is a 5-membered or 6-membered ring; K is a direct bond, O, or S; X1 to X8 are independently C or N; Y is a linker that forms a 5-membered ring between rings B and C; Z1 and Z2 are C or N; each R, R′, R″, RA, RB, R...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FLEETHAM, Tyler, FELDMAN, Jerald, DYATKIN, Alexey Borisovich, TSAI, Jui-Yi
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
ADHESIVES
CHEMISTRY
DYES
ELECTRICITY
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:A compound comprising a first ligand LA of Formula I,is provided. In Formula I, ring A is a 5-membered or 6-membered ring; K is a direct bond, O, or S; X1 to X8 are independently C or N; Y is a linker that forms a 5-membered ring between rings B and C; Z1 and Z2 are C or N; each R, R′, R″, RA, RB, RC, and R1 is a hydrogen or a General Substituent; LA is coordinated to a metal M by the dashed lines; and (i) at least one RC is a cyclic group that is not fused to ring C, or (ii) ring A has a structure of Formula II,and ring A is bonded to ring B at X1; or (iii) both (i) and (ii). Formulations, OLEDs, and consumer products containing the compound are also provided.