| abstract |
Organic electronic devices having an anode, a hole injection layer, a photoactive layer, an electron transport layer, and a cathode are provided. At least one of the photoactive layer and the electron transport layer is of formula I [Chemical 1] (Where: R 1 can be the same or different and can be phenyl, biphenyl, naphthyl, naphthylphenyl, triphenylamino or carbazolylphenyl; And the following conditions: (I) R 2 = R 3 and H, phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino or carbazolylphenyl; or (ii) R 2 is H And R 3 is phenyl, biphenyl, naphthyl, naphthylphenyl, arylanthracenyl, phenanthryl, triphenylamino and carbazolylphenyl; When both R 1 are phenyl and R 2 and R 3 are 2-naphthyl, naphthylphenyl, arylanthracenyl, 9-phenanthryl, triphenylamino or m-carbazolylphenyl Can be) A compound having |