Photoreceptor for electrophotography
AssigneeFuji Xerox Co., Ltd.
InventorsHiroyuki Tanaka, Seki Kin, Lyong S. Pu
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Abstract
Novel squarylium compounds, a process for the production thereof as well as to a photoreceptor for electrophotography containing the squarylium compound are disclosed, said squarylium compounds being represented by formula (I) or (II): ##STR1## wherein X is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom; Y is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms a hydroxyl group or an alkoxyl group having 1 to 4 carbon atoms.
Claims22
A photoreceptor for electrophotography, comprising an electroconductive support and a light-sensitive layer comprising a charge transport layer and a charge generation layer containing a squarylium compound of general formulae (I) or (II):
- ##STR27## wherein X is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom;
- Y is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, or an alkoxy group having 1 to 4 carbon atoms.
A photoreceptor for electrophotography comprising an electroconductive support and a light-sensitive layer comprising a charge transport layer and a charge generation layer containing a squarylium compound dispersed in a binder in the form of particles, said squarylium compound being represented by the formula (I) or (II):
- ##STR28## wherein X is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a hydroxyl group, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom;
- Y is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a hydroxyl group, or an alkoxy group having 1 to 4 carbon atoms.
Dependencies are inferred from the claim text.