摘要:
The present invention provides a single-layer type electrophotosensitive material comprising a conductive substrate and a photosensitive layer formed on the conductive substrate, wherein the photosensitive layer contains a phthalocyanine compound as an electric charge generating material, a hole transferring material and an electron transferring material in a binder resin, and that a difference in absolute value between a plus polarity sensitivity and a minus polarity sensitivity measured under the conditions of an exposure wavelength of 780 nm and an exposure energy of 1.0 &mgr;J/cm2 is not more than 500 V, and a reversal development type digital image forming apparatus using the electrophotosensitive material, which does not include a charge neutralizing step.
摘要翻译:本发明提供一种单层型电光敏材料,其包括形成在导电基板上的导电基板和感光层,其中感光层含有作为电荷产生材料的酞菁化合物,空穴转移材料和电子转移材料 粘合剂树脂,并且在780nm的曝光波长和1.0μJ/ cm 2的曝光能量的条件下测量的正极性灵敏度和负极性灵敏度之间的绝对值差异不大于500V,并且 使用不包括电荷中和步骤的电光敏材料的反转显影型数字图像形成装置。
摘要:
In a electrophotographic photoconductor having a single layer type photosensitive layer 3 laminated directly or through an undercoat layer 2 on an electroconductive substrate 1, the single layer type photosensitive layer 3 contains at least a resin binder, a charge generating substance, a hole transfer substance and an electron transfer substance, wherein the hole transfer substance is a compound represented by the general formula (HT1) shown below and an electrophotographic apparatus comprise this photoconductor. This electrophotographic photoconductor has good electric property in positive charge and good stability in repeated use.