Patent ID: 11939293
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 1:
2. A composition comprising the first compound of claim 1 and a second compound selected from the group consisting of:, , wherein,
RE to RU each independently represents mono to the maximum allowable substitutions, or no substitution;
each R4, R5, and RE to RU is independently hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof;
any two substituents may be joined or fused together to form a ring;
Y is O or S; and
Ar3 is a substituted or unsubstituted aryl ring.