Patent ID: 11970508
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H | IPC C  H

Claim 6:
7. The compound of claim 1, wherein the ligand LA is selected from the group consisting of:, X is selected from the group consisting of a direct bond, BR, NR, PR, O, S, Se, C═O, S═O, SO2, CR′R″, SiR′R″, GeR′R″, and combinations thereof; and
RA1, RA2, RA3, RA4, and RB are each independently selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, boryl, and combinations thereof.