Patent ID: 11957050
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 5:
6. The compound of claim 1, wherein one of RA or RB is selected from the group consisting of phenyl, biphenyl, terphenyl, carbazole, naphthalene, quinazoline, carbazole, dibenzothiophene, dibenzofuran, benzo[d]benzo[4,5]imidazo[2,1-b]oxazole, benzo[d]benzo[4,5]imidazo[2,1-b]thiazole, and benzo[d]benzo[4,5]imidazo[3,2-a]imidazole; or optionally, one of RA and one of RB is independently selected from the group consisting of an optionally substituted phenyl, biphenyl, terphenyl, carbazole, naphthalene, carbazole, dibenzothiophene, dibenzofuran, aza-dibenzothiophene, aza-dibenzofuran, benzo[d]benzo[4,5]imidazo[2,1-b]oxazole, benzo[d]benzo[4,5]imidazo[2,1-b]thiazole, and benzo[d]benzo[4,5]imidazo[3,2-a]imidazole, and combinations thereof.