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

Claim 16:
17. An organic light emitting device (OLED) comprising:
an anode;
a cathode; and
an organic layer disposed between the anode and the cathode,, wherein the organic layer comprises a compound comprising a structure of, , wherein RA represents zero, mono or di-substitution; RA for each occurrence is 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; R is selected from the group consisting of alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, aryl, heteroaryl, and combinations thereof; R1 and R2 are each independently a hydrogen or a substituent selected from the group consisting of the general substituents defined herein; and any two adjacent R, R1, R2, or RA can be joined or fused to form a ring, wherein Formula I can be joined with one or more of the same structure or with a polymeric compound.