| 摘要 |
PROBLEM TO BE SOLVED: To obtain an environmentally allowable and substantially nonpoisonous perylene dimer lurninous pigment and to obtain a new image forming member having improved photoconductivity. SOLUTION: The photoconductive image forming member has an asymmetric perylene of the formula, wherein R1 and R2 are different from each other and are each H, alkyl, cycloalkyl, substituted alkyl, ally, substituted allyl, aralkyl or substituted aralkyl, X is a symmetric bridging component and (y) is the number of the component X.
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