公开(公告)号：US20200233324A1

公开(公告)日：2020-07-23

申请号：US16740196

申请日：2020-01-10

Applicant: KYOCERA Document Solutions Inc.

Inventor： Tomofumi SHIMIZU ,  Kazuaki EZURE ,  Hayase YAMAMOTO ,  Jun AZUMA

IPC: G03G5/06 ,  G03G5/05 ,  G03G21/18 ,  G03G15/00

Abstract: A photosensitive layer included in an electrophotographic photosensitive member contains at least a charge generating material, a hole transport material, and a binder resin. The hole transport material includes a compound (1). The binder resin includes a polyarylate resin having at least one repeating unit (10) and at least one repeating unit (11). Alternatively, the binder resin includes a polycarbonate resin having a repeating unit (20) and a repeating unit (21). The general formulas (1), (10), (11), (20), and (21) are as follows