Patent ID: 11957047
Assignee: UNIVERSAL DISPLAY CORPORATION
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C  Y | IPC C  H

Claim 12:
13. The composition of claim 12, wherein the second compound is selected from the group consisting of, wherein X is selected from the group consisting of O, S and Se;
wherein R1 and R4 each independently represents mono, di, or tri, substitution, or no substitution;
wherein R2, R3, R5, and R6 each independently represents mono, di, tri, or tetra substitution, or no substitution; and
wherein R1 to R6 are each independently selected from the group consisting of hydrogen, deuterium, benzene, biphenyl, terphenyl, naphthalene, fluorene, triphenylene, phenanthrene, dibenzofuran, dibenzothiophene, carbazole and combinations thereof.