Invention Grant
- Patent Title: Electrophotographic photosensitive member, process cartridge, and image forming apparatus
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Application No.: US16740196Application Date: 2020-01-10
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Publication No.: US10996575B2Publication Date: 2021-05-04
- Inventor: Tomofumi Shimizu , Kazuaki Ezure , Hayase Yamamoto , Jun Azuma
- Applicant: KYOCERA Document Solutions Inc.
- Applicant Address: JP Osaka
- Assignee: KYOCERA Document Solutions Inc.
- Current Assignee: KYOCERA Document Solutions Inc.
- Current Assignee Address: JP Osaka
- Agency: Studebaker & Brackett PC
- Priority: JPJP2019-006903 20190118,JPJP2019-006905 20190118
- Main IPC: G03G5/00
- IPC: G03G5/00 ; G03G5/06 ; G03G5/05 ; G03G15/00 ; G03G21/18 ; G03G5/047

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
Public/Granted literature
- US20200233324A1 ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS Public/Granted day:2020-07-23
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