ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

A compound comprising a first ligand LA of Formula I,where R* has a structure of Formula II,is provided. In Formula I and Formula II, moiety A is a 5-membered or 6-membered ring; each of Z1 and Z2 is C or N; K is a single bond or a linking group; each of X1 to X11 is C or N; Y is a linking group; L...

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Bibliographic Details
Main Authors FELDMAN, Jerald, HERBOL, Henry Carl
Format Patent
LanguageEnglish
Published 04.07.2024
Subjects
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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Summary:A compound comprising a first ligand LA of Formula I,where R* has a structure of Formula II,is provided. In Formula I and Formula II, moiety A is a 5-membered or 6-membered ring; each of Z1 and Z2 is C or N; K is a single bond or a linking group; each of X1 to X11 is C or N; Y is a linking group; L is a direct bond or a linker, each R, R′, Rα, Rβ, RA, RB, RC, and RD is hydrogen or a General Substituent; LA is coordinated to Ir by the dashed lines. Formulations, OLEDs, and consumer products comprising the compare are also provided.
Bibliography:Application Number: US202318496302