wherein at least one of X₁ and X₂ is a bromine atom provided that at least one benzene ring in the units is partly or fully substituted with the bromine atom and n is an integer. The photoconductor may be X-type metal-free phthalocyanine or τ -type metal-free phthalocyanine dispersed partially in a molecular state and partially in a particulate state. Alternatively, combinations of carrier generation and carrier transport agents may be used. The layer structure is either a single-layer structure or a double-layer structure."/>
公开/公告号EP0458651A3
专利类型
公开/公告日1992-03-04
原文格式PDF
申请/专利号EP19910304740
申请日1991-05-24
分类号G03G5/05;
国家 EP
入库时间 2022-08-22 05:29:52