Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
US9645516B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2015 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Nov 9, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0618
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic photosensitive member including a support, and a charge generating layer and a charge transporting layer on the support, wherein the charge generating layer includes a gallium phthalocyanine crystal in which an organic compound is contained, wherein the organic compound is at least one compound selected from the group consisting of dimethylsulfoxide, N,N-dimethylformamide, N-methylformamide, N-propylformamide, N-vinylformamide and N-methylpyrrolidone, the content of the organic compound is 0.1% by mass or more and 1.5% or less based on a gallium phthalocyanine in the gallium phthalocyanine crystal, and the charge transporting layer includes a polyester resin having a structural unit represented by formula (1).A-B (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.