申请人:Takasago International Corporation
公开号:US05229238A1
公开(公告)日:1993-07-20
An electrophotographic photoreceptor is disclosed, comprising an electroconductive support having a light-sensitive layer containing a charge generating substance and a charge transporting substance, wherein said charge transporting substance is a 1,4-benzodithiafulvene derivative represented by formula (I): ##STR1## wherein R.sup.1 represents a lower alkyl group, a benzyl group, a naphthyl group, or a phenyl group which may contain a substituent; R.sup.2 represents a phenyl group which may contain a substituent or an N-alkyl-substituted carbazole group; R.sup.3 represents a hydrogen atom or a phenyl group which may contain a substituent; R.sup.4 represents a hydrogen atom, a lower alkyl group, a hydroxyl group, or an alkoxy group or an aryloxy group represented by OR.sup.5 ; R.sup.5 represents a lower alkyl group, a benzyl group, or a phenyl group which may contain a substituent; and n represents an integer of 0 or 1.
本发明公开了一种电子照相光导体,包括一个具有感光层的电导支撑体,所述感光层包含一个带电生成物和一个带电传输物质,其中所述带电传输物质是由式(I)表示的1,4-苯并二噻呋烯衍生物:##STR1## 其中R.sup.1表示较低的烷基、苯甲基、萘基或苯基,可以含有取代基;R.sup.2表示可以含有取代基的苯基或N-烷基取代的咔唑基;R.sup.3表示氢原子或可以含有取代基的苯基;R.sup.4表示氢原子、较低的烷基、羟基、或由OR.sup.5表示的烷氧基或芳氧基;R.sup.5表示较低的烷基、苯甲基或苯基,可以含有取代基;n表示0或1的整数。