Layered photoconductive imaging devices
US4582772A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1983 |
| Grant date | Apr 15, 1986 |
| Priority date | — |
| Expiry date | Feb 15, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/047
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention is directed to an improved photoresponsive device comprised in the order stated of (1) a substrate, (2) a transmissive semi-conductive layer selected from the group consisting of indium-tin oxide, cadmium tin oxide, tin oxide, titanium oxides, titanium nitrides, titanium silicides, and mixtures thereof (3) a photogenerating layer comprised of an inorganic photoconductive composition or an organic photoconductive composition, dispersed in a resinous binder and (4) a charge carrier transport layer comprised of a combination of a resinous binder having dispersed therein small molecules of an electrically active material, the combination of which is substantially non-absorbing to visible light and allows the injection of photogenerating holes from the charge photogenerating layer in contact therewith, the electrically active material being of the following formula: ##STR1## wherein X is selected from the group consisting of ortho CH.sub.3, meta CH.sub.3, para CH.sub.3, ortho Cl, and para Cl, as well as the incorporation of such devices in electrostatographic imaging systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.