New electrophotographic elements contain electron-transport agents comprising certain chemical compounds, which are derivatives of certain substituted 9,10-anthraquinones in which the keto oxygens have been replaced by cyanoimino groups.
新型电致发光元件含有电子传输剂,其中包含某些化合物,这些化合物是某些取代的 9,10-
蒽醌的衍
生物,其中的酮氧基已被
氰亚胺基团取代。