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

Claim 15:
16. The compound of claim 1, wherein at least one of R, Ar, RA, and RB comprises two groups selected from the group consisting of biphenyl, terphenyl, naphthalene, triphenylene, phenanthrene, fluorene, chrysene, carbazole, dibenzothiophene, dibenzofuran, benzofuran, benzothiophene, aza-dibenzothiophene, aza-dibenzofuran, pyrazole, imidazole, triazole, oxazole, thiazole, oxadiazole, oxatriazole, dioxazole, thiadiazole, pyridine, pyridazine, pyrimidine, pyrazine, triazine, indole, benzimidazole, indazole, benzoxazole, benzisoxazole, benzothiazole, quinoline, isoquinoline, cinnoline, quinazoline, quinoxaline, naphthyridine, phthalazine, pteridine, xanthene, phenothiazine, phenoxazine, benzofuropyridine, furodipyridine, benzothienopyridine, thienodipyridine, benzo[d]benzo[4,5]imidazo[2,1-b]oxazole, benzo[d]benzo[4,5]imidazo[2,1-b]thiazole, benzo[d]benzo[4,5]imidazo[3,2-a]imidazole, and combinations thereof.