Patent ID: 11944000
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: nan (nan)
Classification: CPC H | IPC H

Claim 0:
1. A first device comprising a first organic light emitting device, the first organic light emitting device comprising:
an anode;
a cathode; and
an organic layer, disposed between the anode and the cathode, comprising a host and an emissive dopant, wherein the emissive dopant is a compound having a structure according to, wherein R1 and R2 each independently represent mono, di, tri, or tetra substitutions, or no substitution;
wherein R3 represents mono, di, tri, or tetra substitutions;
wherein each R1 is selected from the group consisting of hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof;
wherein each R2 and R3 is independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
wherein at least one R3 is partially or fully deuterated alkyl; and
wherein the compound is heteroleptic.