Dual layer photoconductors with charge generation layer containing hindered hydroxylated aromatic compound
US5972549A · kind A · utility
2Cited by
32References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1998 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Feb 13, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/103
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Photoconductors comprise a substrate, a charge transport layer, and a charge generation layer. The charge transport layer comprises binder and a charge transport compound comprising at least one of a hydrazone, aromatic amine, or substituted aromatic amine, and the charge generation layer comprises binder, a phthalocyanine charge generating compound and a hindered hydroxylated aromatic compound. The hindered hydroxylated aromatic compound reduces electrical fatigue upon cycling without adversely effecting the electrical performance of the photoconductors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.