Electrophotographic photoreceptor and image forming apparatus
US10025208B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2017 |
| Grant date | Jul 17, 2018 |
| Priority date | — |
| Expiry date | Mar 6, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00957
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photoreceptor includes: a conductive support; and a photosensitive layer which contains an electric charge generating material and an electric charge transport material, wherein a layer configuring a surface of the electrophotographic photoreceptor contains a resin binder, and conductive particles A and B dispersed in the resin binder, the conductive particles A have a single peak and volume resistance ρ1, the conductive particles B have a single peak and volume resistance ρ2, when a particle diameter of the conductive particles A is set to d1, and a particle diameter of the conductive particles B is set to d2, Expression (1) is satisfied, and when the volume resistance of the conductive particles A is set to ρ1, and the volume resistance of the conductive particles B is set to ρ2, Expression (2) is satisfied: 4×d2≤d1≤20×d2 (1)10×ρ1<ρ2 (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.