Image forming apparatus and process cartridge
US8380109B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2009 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Feb 10, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/751
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus including at least an image bearing member having a substrate having a photosensitive layer thereon, the image bearing member to bear a latent electrostatic image on a surface thereof, a charging device to the surface of the image bearing member, an irradiation device to irradiate the surface of the image bearing member with light to form a latent electrostatic image thereon, a development device to develop the latent electrostatic with toner to obtain a developed image, a transfer device to transfer the developed image to a recording medium, and a cleaning device to clean the surface of the image bearing member, wherein the photosensitive layer includes naphthalene tetracarbonic acid diimide derivative as a charge transport material represented by the following Chemical Structure (1):In the Chemical Structure (1), Z represents a group represented by the following Chemical Formula (1):or the following Chemical Formula (2):—R9 Chemical Formula (2).In the Chemical Structure (1), and the Chemical Formulae (1) and (2), R1, R2, R3, R4 and R9 each, independently, represent a substituted or non-substituted alkyl group or a substituted or non-substituted aromati…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.