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Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

  • US 7,927,774 B2
  • Filed: 09/08/2009
  • Issued: 04/19/2011
  • Est. Priority Date: 09/10/2004
  • Status: Expired due to Fees
First Claim
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1. An electrophotographic apparatus comprising an electrophotographic photosensitive member, a charging means, an exposure means, a developing means, and a transferring means,wherein the exposure means is for irradiating the electrophotographic photosensitive member with light having a wavelength of 380 to 450 nm as exposure light,wherein the electrophotographic photosensitive member comprises a support, a charge generation layer provided on the support, and a charge transport layer provided on the charge generation layer,wherein the charge transport layer is a surface layer of the electrophotographic photosensitive member, and contains a binder resin and a charge transport material,wherein the charge transport material consists of a triarylamine compound,wherein the binder resin consists of an aliphatic dicarboxylic acid polyester resin having repeating structural units consisting of repeating structural units each represented by formula (1):

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