Patent ID: 11910700
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Basic materials chemistry (Chemistry)
Classification: CPC H  C  Y | IPC C  H

Claim 0:
1. A compound having the formula:, wherein R1 and R2 are optionally linked;
wherein the sum of the number of carbon atoms in R1 and R2 is at least 2;
wherein any two R3, R4, R5, or R6 are optionally linked;
wherein Ra and Rb represent mono-, di-, tri- or tetra-substitution;
wherein X is selected from the group consisting of BR, NR, PR, O, S, Se, C═O, S═O, SO2, CRR′, SiRR′, and GeRR′;
wherein Ra, Rb, R, R′, R1, R2, R3, R4, R5, and R6 are 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;
at least one of R1 or R2 comprises a silyl group comprising and at least one moiety selected from the group consisting of cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, and phosphino; and
wherein n is 1 or 2.