Patent ID: 7314692

Claim:
An electrophotographic photoreceptor comprising: a conductive substrate; and a photoconductive layer formed on the conductive substrate, wherein the photoconductive layer comprises: a charge generating material; and a charge transferring material, wherein the charge transferring material comprises: a phenylazomethylene-cyclohexadienone derivative represented by the following Formula 5: wherein R 1 and R 2 are independently selected from the group consisting of a substituted or unsubstituted alkyl group having 1 to 20 carbon atom(s), a substituted or unsubstituted alkoxy group having 1 to 20 carbon atom(s), a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, and a halogen; A is selected from the group consisting of a nitro group, a cyano group and a sulfone group; l is a natural number of 0 to 4; m is a natural number of 0 to 4; and n is a natural number of 1 to 5.