Electrophotographic photoreceptor having an electric charge generating
layer comprising a pyrylium compound
    1.
    发明授权
    Electrophotographic photoreceptor having an electric charge generating layer comprising a pyrylium compound 失效
    具有包含吡喃鎓化合物的电荷产生层的电子照相感光体

    公开(公告)号:US5024911A

    公开(公告)日:1991-06-18

    申请号:US201203

    申请日:1988-06-02

    IPC分类号: G03G5/06 G03G5/09

    CPC分类号: G03G5/0637

    摘要: An electrophotographic photoreceptor is disclosed, comprising an electrically conductive substrate having thereon and a light-sensitive layer, said light-sensitive layer comprising an electric charge generating layer and an electric charge transporting layer, wherein the electric charge generating layer contains an electric charge generating organic pigment having positive hole transporting properties and a pyrylium compound represented by the formula (I) or (II): ##STR1## wherein X is an oxygen atom or a sulfur atom; R.sub.1 to R.sub.5 are each a hydrogen atom, and alkyl group, a cycloalkyl group, an alkoxycarbonyl group, a benzyl group, a substituted or unsubstituted styryl group, or a substituted or unsubstituted phenyl group, and Z.sup..crclbar. is an anion.

    摘要翻译: 公开了一种电子照相感光体,包括其上具有感光层的导电基底,所述感光层包括电荷产生层和电荷输送层,其中电荷产生层含有产生电荷的有机物 具有空穴传输特性的颜料和由式(I)或(II)表示的吡喃鎓化合物:其中X是氧原子或硫原子;(I)其中X是氧原子或硫原子; R1〜R5各自为氢原子,烷基,环烷基,烷氧基羰基,苄基,取代或未取代的苯乙烯基或取代或未取代的苯基,Z( - )为阴离子。

    Electrophotographic photoreceptor having a bisazo compound
    2.
    发明授权
    Electrophotographic photoreceptor having a bisazo compound 失效
    具有双偶氮化合物的电子照相感光体

    公开(公告)号:US4833054A

    公开(公告)日:1989-05-23

    申请号:US114980

    申请日:1987-10-30

    IPC分类号: C09B35/039 G03G5/06

    摘要: An electrophotographic photoreceptor comprising an electrically conductive support having provided thereon a photosensitive layer composed of a charge generating layer and a charge transport layer, wherein said charge generating layer contains a bisazo compound represented by formula (I) ##STR1## wherein X, Y, and A are defined in the specification, and said charge transport layer contains a benzidine compound represented by formula (II) ##STR2## wherein R.sub.1, R.sub.2, and R.sub.3 are as defined in the specification. The photoreceptor exhibits high photoresponse performance even in a weak electric field and exhibits high sensitivity in a visible light region.

    摘要翻译: 一种电子照相感光体,包括在其上设置有由电荷产生层和电荷输送层构成的感光层的导电性支持体,其中所述电荷产生层含有由式(I)表示的双偶氮化合物。 其中X,Y和A在说明书中定义,并且所述电荷传输层含有由式(II)表示的联苯胺化合物。其中R1,R2和R3如说明书中所定义。 即使在弱电场中,感光体表现出高的光响应性能,并且在可见光区域中表现出高灵敏度。

    Electrophotographic photoreceptor having a bisazo compound
    3.
    发明授权
    Electrophotographic photoreceptor having a bisazo compound 失效
    具有双偶氮化合物的电子照相感光体

    公开(公告)号:US4822704A

    公开(公告)日:1989-04-18

    申请号:US080357

    申请日:1987-07-31

    IPC分类号: C09B35/039 G03G5/06

    CPC分类号: C09B35/039 G03G5/0679

    摘要: An electrophotographic photoreceptor is disclosed, comprising a conductive support having provided thereon a photosensitive layer containing a bisazo compound respresented by formula (I) ##STR1## wherein Y represents a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, a cyano group, a nitro group or a hydroxyl group; and A represents a substituted or unsubstituted divalent aromatic hydrocarbon group or a substituted unsubstituted divalent nitrogen-containing heterocyclic group. The photoreceptor exhibits excellent sensitivity and durability.

    摘要翻译: 公开了一种电子照相感光体,其包含导电性支持体,其上设置有含有式(I)表示的双偶氮化合物的感光层,其中Y表示氢原子,烷基,烷氧基,卤素原子 ,氰基,硝基或羟基; A表示取代或未取代的二价芳香族烃基或取代未取代的二价含氮杂环基。 感光体表现出极好的灵敏度和耐久性。

    Electrophotographic photoreceptor having a bisazo compound
    5.
    发明授权
    Electrophotographic photoreceptor having a bisazo compound 失效
    具有双偶氮化合物的电子照相感光体

    公开(公告)号:US4820600A

    公开(公告)日:1989-04-11

    申请号:US81509

    申请日:1987-08-05

    IPC分类号: C09B35/039 G03G5/06

    CPC分类号: C09B35/039 G03G5/0679

    摘要: An electrophotographic photoreceptor is disclosed, comprising a conductive support having provided thereon a photosensitive layer containing a bisazo compound represented by formula (I) ##STR1## wherein X represents a halogen atom or a nitro group, and A represents a substituted or unsubstituted divalent aromatic hydrocarbon group or a substituted unsubstituted divalent nitrogen-containing heterocyclic group. The photoreceptor exhibits excellent sensitivity and durability.

    摘要翻译: 公开了一种电子照相感光体,其包括导电性支持体,其上设置有含有式(I)表示的双偶氮化合物的感光层,其中X表示卤素原子或硝基,A表示取代或未取代的 二价芳族烃基或取代的未取代的二价含氮杂环基。 感光体表现出极好的灵敏度和耐久性。