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Electrophotographic photoreceptor, process cartridge, and image forming apparatus

  • US 10,642,173 B1
  • Filed: 04/16/2019
  • Issued: 05/05/2020
  • Est. Priority Date: 12/21/2018
  • Status: Active Grant
First Claim
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1. An electrophotographic photoreceptor comprising:

  • a conductive substrate;

    an undercoat layer on the conductive substrate; and

    a photosensitive layer on the undercoat layer,wherein the undercoat layer contains;

    at least one perinone compound selected from the group consisting of a compound represented by general formula (1) below and a compound represented by general formula (2) below,an amine compound (A) having an ionization potential of 5.4 eV or more and 5.9 eV or less, wherein an amount of the amine compound (A) contained relative to a total solid content of the undercoat layer is 0.01 mmol/g or more and 1 mmol/g or less, anda binder resin,

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