Patent ID: 8436341

Claim:
An organic electronic device comprising an anode, a hole injection layer, a photoactive layer, an electron transport layer, and a cathode, wherein at least one of the photoactive layer and the electron transport layer comprises a compound having Formula I where: R 1 is the same or different and is selected from the group consisting of phenyl, biphenyl, naphthyl, naphthylphenyl, triphenylamino, and m-carbazolylphenyl; and one of the following conditions is met: (i) R 2 ═R 3 and is selected from the group consisting of naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, and m-carbazolylphenyl; or (ii) R 2 is selected from the group consisting of H and phenyl; R 3 is selected from the group consisting of naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, and m-carbazolylphenyl; with the proviso that when both R 1 are phenyl, R 2 and R 3 are selected from the group consisting of 2 naphthyl, naphthylphenyl, arylanthracenyl, 9-phenanthryl, and m-carbazolylphenyl.