Patent ID: 11917900
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 6:
7. The compound of claim 2, wherein the compound has a structure of, wherein L2 is a direct bond, or a linker selected from the group consisting of one atom backbone, two atom backbone, three atom backbone, and four atom backbone groups with the backbone atoms selected from B, N, Si, C, O, S, and P; R5 and R6 are each independently a hydrogen or a substituent 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, and combinations thereof; and any two adjacent R, R1, R2, R5, R6, or RA can be joined or fused to form a ring.