Patent · US Active

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

US12153370B2 · kind B2 · utility

0Cited by
41References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 30, 2023
Grant dateNov 26, 2024
Priority date
Expiry dateNov 30, 2043

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2221/183
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Provided is an electrophotographic photosensitive member that achieves satisfactory transferability. An electrophotographic photosensitive member including a charge generating layer, a charge transporting layer, and a protection layer laminated on a support in the stated order, wherein the protection layer contains a binder resin and particles, and wherein when an average thickness of the protection layer in a site free of the particles is represented by T and a volume-average particle diameter of the particles is represented by Dm in a cross-section of the protection layer, the following formula (a) is satisfied. Dm>T  Formula(a)

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.