| 摘要 |
A double-layered electrophotographic plate having at least a charge generating layer and a charge transporting layer on an electroconductive substrate, wherein said charge transporting layer comprises (a) a dicyano vinyl compound represented by general formula (I): <IMAGE> (I) where R1 and R3 independently represent hydrogen, halogen, cyano, nitro or a substituted- or unsubstituted-arylcarbonyloxy group, and R2 represents hydrogen, halogen, cyano or a substituted- or unsubstituted-arylcarbonyloxy group with the proviso that R1, R2 and R3 are not simultaneously hydrogen, and/or a dicyano vinyl compound represented by general formula (II): <IMAGE> (II) where R4 represents hydrogen, halogen, lower alkyl or aryl group, and (b) an electron-donating organic compound.
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