Patent ID: 6833227
Filing Date: 2004-12-21
Classification: G03G

Abstract:
An electrophotographic photosensitive member, comprising a support and a photosensitive layer disposed on the support, wherein the photosensitive layer contains a binder resin and a porphyrin compound as a charge generating material having a structure represented by formula (1) shown below: wherein M denotes hydrogen atoms or a metal capable of having an axial ligand; R11 to R18 independently denote a hydrogen atom, an alkyl group capable of having a substituent, an aromatic ring capable of having a substituent, an amino group capable of having a substituent, a sulfur atom capable of having a substituent, an alkoxy group, a halogen atom, a nitro group or a cyano group; and A11 to A14 independently denote a hydrogen atom, an alkyl group capable of having a substituent, an aromatic ring capable of having a substituent or a heterocyclic ring capable of having a substituent with the proviso that at least one of A11 to A14 is a pyridyl group capable of having a substituent.