Patent ID: 7811624

Claim:
A compound having formula I: X 3 Si-L-Ar—HTM I wherein: X is alkoxy or halogen; L is either one bond or alkylene; Ar is aryl; and HTM is a hole transporting material selected from triphenylamine, a heterocycle, a stilbene, a hydrazone, an oxadiazole, and a phthalocyanine; with the proviso that when L is alkylene, HTM is a triphenylamine selected from N,N′-dipheny-N,N′-di(3-methylphenyl)-1,1′-diphenyl-4,4′-diamine, N,N′-diphenyl-N,N′-dinaphthyl-1,1′-diphenyl-4,4′-diamine, and combinations thereof.