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US 9,541,850 B2Granted
Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
AssigneeCanon Kabushiki Kaisha
InventorsTsutomu Nishida, Masato Tanaka, Masataka Kawahara
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Abstract
A photosensitive layer includes a gallium phthalocyanine crystal and 0.2% by mass or more and 20% by mass or less of an arene compound based on the gallium phthalocyanine crystal, and the arene compound has a halogen atom or a halogen-substituted alkyl group, and a sulfonic acid group or a sulfonic acid salt group, as a substituent.
Claims10
An electrophotographic photosensitive member comprising:
- a support;
- and
- a photosensitive layer on the support, the photosensitive layer comprising a gallium phthalocyanine crystal and an arene compound substituted with (i) a halogen atom or a halogen-substituted alkyl group, and (ii) a sulfonic acid group or a sulfonic acid salt group,
- wherein the content of the arene compound in the photosensitive layer is 0.2% to 20% by mass based on the gallium phthalocyanine crystal in the photosensitive layer.
1 more element
Dependencies are inferred from the claim text.