Patent ID: 7993763

Claim:
An organometallic compound comprising one or more branches linked to an emissive core as represented by the formula: wherein the emissive core comprises a metal atom and a plurality of ligands coordinated to the metal atom; wherein each branch is linked to one of the plurality of ligands; wherein variable “y” has an integer value of 1 to 3; wherein each variable “x” independently has an integer value of at least 2; wherein each host moiety R H is independently an aryl group having at least two rings or a heteroaryl group having at least two rings; wherein each R T is an optional terminal group independently selected from the group consisting of: an alkyl group, a heteroalkyl group, an aryl group, and a heteroaryl group; wherein each of R 1 and R 2 represents one or more optional independently selected substitutions located on any position of their respective rings, wherein each of the substitutions are independently an alkyl group or a heteroalkyl group.