HOST COMPOUNDS FOR PHOSPHORESCENT OLEDS AND DEVICES THEREOF

摘要

A compound according to a formula I, devices incorporating the same, and formulations including the same are described. The compound according to the formula I can have the structure;;wherein R1, R2, R3, R4, R5 and R6 each represent mono, di, tri, tetra substitutions, or no substitution, R9 represents mono, di, tri substitutions, or no substitution, R1, R2, R3, R4, R5, R6 and R9 are each 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 acid, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof. A1, A2, A3, A4, A5, and A6 are each independently selected from N or C and n is an integer from 1 to 20.

主权项

1. A compound having a formula I: wherein R1, R2, R3, R4, R5 and R6 each represent mono, di, tri, tetra substitutions, or no substitution; R9 represents mono, di, tri substitutions, or no substitution; R1, R2, R3, R4, R5, R6 and R9 are each 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 acid, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; A1, A2, A3, A4, A5, and A6 are each independently selected from N or C; and n is an integer from 1 to 20.