ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
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United States of America Patent
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Issued Date -
May 12, 2016
app pub date -
Oct 30, 2015
filing date -
Nov 11, 2014
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Abstract
Provided is an electrophotographic photosensitive member, including in the following order: a support; a charge-generating layer; and a charge-transporting layer, in which: the charge-generating layer includes a gallium phthalocyanine crystal in which an organic compound is contained; the organic compound is at least one compound selected from the group consisting of dimethyl sulfoxide, N,N-dimethylformamide, N-methylformamide, N-propylformamide, N-vinylformamide, and N-methylpyrrolidone; a content of the organic compound is 0.1% by mass or more and 1.5% by mass or less with respect to a mass of gallium phthalocyanine in the gallium phthalocyanine crystal; and the charge-transporting layer comprises at least one compound selected from the group consisting of a compound represented by the formula (1), a compound represented by the formula (2), a compound represented by the formula (3), and a compound represented by the formula (4).
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