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US 6,376,141 B1Granted
Photoreceptor with layered charge generation section
AssigneeXerox Corporation
InventorsSatchidanand Mishra, Anthony M. Horgan, Kathleen M. Carmichael, Steven P Nonkes
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Abstract
An electrophotographic imaging member with a charge generation section having separate layers of benzimidazole perylene photoconductive pigment and hydroxygallium ptalocyanine photoconductive pigment.
Claims13
An electrophotographic imaging member comprising:
- a charge generation section comprising a first layer comprising hydroxygallium phthalocyanine photoconductive pigment in polymer or copolymer binder and a second layer comprising benzimidazole perylene photoconductive pigment in polymer or copolymer binder, wherein the benzimidazole perylene layer and the hydroxygallium phthalocyanine layer are immediately adjacent to each other;
- and
- a charge transport layer adjacent to the hydroxygallium phthalocyanine layer of the charge generation section.
A method of manufacturing an electrophotographic imaging member comprising:
- layering a first dispersion comprising benzimidazole perylene photoconductive pigment in polymer or copolymer binder upon a substrate to form a layer of benzimidazole perylene;
- layering a second dispersion comprising hydroxygallium phthalocyanine in polymer or copolymer binder to form a layer of hydroxygallium phthalocyanine immediately adjacent to the layer of benzimidazole perylene;
- and
- applying a charge transport layer adjacent to the hydroxygallium phthalocyanine layer.
1 more element
Dependencies are inferred from the claim text.