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US 2014/0065530 A1Published application
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
AssigneeCanon Kabushiki Kaisha
InventorsTsutomu Nishida, Junpei Kuno, Kaname Watariguchi, Masataka Kawahara, Masato Tanaka
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Abstract
A photosensitive layer of an electrophotographic photosensitive member includes a phthalocyanine pigment and a specific dicyanoethylene compound. Alternatively, the photosensitive layer and/or an undercoat layer of the electrophotographic photosensitive member include a specific dicyanoethylene compound, and the photosensitive layer includes the phthalocyanine pigment.
Claims16
An electrophotographic photosensitive member comprising:
- a support;
- and
- a photosensitive layer formed on the support,
- wherein the photosensitive layer comprises:
- a phthalocyanine pigment;
- and
- a dicyanoethylene compound represented by the following formula (1):
- wherein, in the formula (1), R1 and R2 each independently represent an unsubstituted or substituted alkyl group, an unsubstituted or substituted aryl group, an unsubstituted or substituted pyridyl group, an unsubstituted or substituted thienyl group, an unsubstituted or substituted piperidyl group, or a substituted amino group.
5 more elements
An electrophotographic photosensitive member comprising:
- a support;
- an undercoat layer formed on the support;
- and
- a photosensitive layer formed on the undercoat layer,
- wherein the undercoat layer comprises a dicyanoethylene compound represented by the following formula (1), and
- the photosensitive layer comprises a phthalocyanine pigment,
- wherein, in the formula (1), R1 and R2 each independently represent an unsubstituted or substituted alkyl group, an unsubstituted or substituted aryl group, an unsubstituted or substituted pyridyl group, an unsubstituted or substituted thienyl group, an unsubstituted or substituted piperidyl group, or a substituted amino group.
4 more elements
Dependencies are inferred from the claim text.