Patent ID: 7560207

Claim:
An organic photoreceptor comprising: an electrically conductive substrate; and a laminated photosensitive layer comprising a charge generating layer (CGL) and a charge transporting layer (CTL) including a charge transporting material and a binder resin, wherein the CGL includes a binder resin and charge generating material, and where the binder resin is an electron transporting polymer represented by Formula 1 below: wherein R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are each independently one selected from the group consisting of a hydrogen atom, a halogen atom, a hydroxyl group, a carboxyl group, a cyano group, a nitro group, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 6 -C 30 aryl group, and a substituted or unsubstituted C 7 -C 30 aralkyl group, and a substituted or unsubstituted C 1 -C 20 alkoxy group; —X— is a single bond, —S—, —O—, —NH—, a substituted or unsubstituted C 1 -C 20 alkylene group, a substituted or unsubstituted C 1 -C 20 heteroalkylene group, a substituted or unsubstituted C 2 -C 20 alkenylene group, a substituted or unsubstituted C 2 -C 20 heteroalkenylene group, a substituted or unsubstituted C 6 -C 30 arylene group, or a substituted or unsubstituted C 7 -C 30 aralkylene group; and n is an integer from 5 through 1,000.