ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES

A compound of Formula Ir(LA)x(LB)y(LC)z is provided. Ligand LA has a structure of Formula I,ligand LB has a structure of Formula II,ligand LC is a bidentate ligand; at least one of RA and RB comprises Formula III,and LA, LB, and LC are different. In Formulae I and II, each of moiety A, B, C, and D i...

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Bibliographic Details
Main Authors JI, Zhiqiang, FELDMAN, Jerald, DYATKIN, Alexey Borisovich, TSAI, Jui-Yi
Format Patent
LanguageEnglish
Published 20.04.2023
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
ADHESIVES
CHEMISTRY
DYES
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 of Formula Ir(LA)x(LB)y(LC)z is provided. Ligand LA has a structure of Formula I,ligand LB has a structure of Formula II,ligand LC is a bidentate ligand; at least one of RA and RB comprises Formula III,and LA, LB, and LC are different. In Formulae I and II, each of moiety A, B, C, and D is a ring or a fused-ring system; each of Z1 to Z8 and X1 to X5 is C or N; K is a direct bond, O, or S; L is a direct bond or a linker; and Q is Si or Ge. Formulations, OLEDs, and consumer products containing the compound are also provided.
Bibliography:Application Number: US202217959326