Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and gallium phthalocyanine crystal
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United States of America Patent
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Oct 4, 2016
Grant Date -
Oct 16, 2014
app pub date -
Nov 29, 2012
filing date -
Nov 30, 2011
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Abstract
Provided is an electrophotographic photosensitive member, a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member that can output an image having less image defects due to a ghost phenomenon not only under a normal-temperature, normal-humidity environment but also under a low-temperature, low-humidity environment as a particularly severe condition. The electrophotographic photosensitive member includes a support and a photosensitive layer formed on the support, in which the photosensitive layer includes a gallium phthalocyanine crystal containing a specific amine compound in itself.
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