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    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    2.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER 有权
    电子感光元件

    公开(公告)号：US20150338754A1

    公开(公告)日：2015-11-26

    申请号：US14719911

    申请日：2015-05-22

    申请人： KYOCERA Document Solutions Inc.

    发明人： Jun AZUMA ,  Keiji MARUO ,  Kensuke OKAWA ,  Akihiko OGATA

    IPC分类号： G03G5/047 ,  G03G5/06

    CPC分类号： G03G5/047 ,  G03G5/0614 ,  G03G5/0672 ,  G03G5/0696

    摘要： An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer includes a charge generating layer and a charge transport layer located on the charge generating layer. The charge transport layer contains a pigment that is absorptive with respect to a wavelength of exposed light. The pigment is a metal phthalocyanine pigment represented by General Formula (I) or a metal-free phthalocyanine pigment represented by General Formula (II), where X represents a sulfur atom or an oxygen atom. R1 represents an aryl group or an alkyl group. R2-R4 each represent a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, a phenoxy group, an alkylthio group, a phenylthio group, or a dialkylamino group. M represents a metal atom. Y represents non-substitution or an alkyl group, an alkoxy group, an aryloxy group, a halogen atom, an oxygen atom, or a hydroxyl group.

    摘要翻译： 电子照相感光构件包括导电衬底和感光层。 感光层包括电荷产生层和位于电荷产生层上的电荷传输层。 电荷输送层含有相对于曝光光的波长吸收的颜料。 颜料是由通式（I）表示的金属酞菁颜料或由通式（II）表示的无金属酞菁颜料，其中X表示硫原子或氧原子。 R1表示芳基或烷基。 R 2 -R 4各自表示氢原子，烷基，芳基，烷氧基，苯氧基，烷硫基，苯硫基或二烷基氨基。 M表示金属原子。 Y表示非取代或烷基，烷氧基，芳氧基，卤素原子，氧原子或羟基。

    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    3.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER 审中-公开
    电子感光元件

    公开(公告)号：US20150261106A1

    公开(公告)日：2015-09-17

    申请号：US14656102

    申请日：2015-03-12

    申请人： KYOCERA DOCUMENT SOLUTIONS INC.

    发明人： Jun AZUMA ,  Kensuke OKAWA ,  Akihiko OGATA ,  Takahiro OKI

    IPC分类号： G03G5/06 ,  G03G5/05

    CPC分类号： G03G5/0614 ,  G03G5/0507 ,  G03G5/0564 ,  G03G5/0672 ,  G03G5/14704

    摘要： An electrophotographic photosensitive member includes a photosensitive layer. The photosensitive layer is a single-layer photosensitive layer or a multi-layer photosensitive layer having a charge transport layer as an outermost layer. Silica particles are contained in the photosensitive layer in an amount of no less than 0.5 parts by mass and no greater than 15 parts by mass relative to 100 parts by mass of a binder resin. The binder resin includes a polycarbonate resin represented by the general formula (1a) or the general formula (1b).

    摘要翻译： 电子照相感光构件包括感光层。 感光层是具有作为最外层的电荷输送层的单层感光层或多层感光层。 相对于100质量份的粘合剂树脂，二氧化硅颗粒以不小于0.5质量份且不大于15质量份的量包含在感光层中。 粘合剂树脂包括由通式（1a）或通式（1b）表示的聚碳酸酯树脂。

    MULTI-LAYER ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    5.
    发明申请
    MULTI-LAYER ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER 有权
    多层电子感光成像

    公开(公告)号：US20170068178A1

    公开(公告)日：2017-03-09

    申请号：US15254012

    申请日：2016-09-01

    申请人： KYOCERA Document Solutions Inc.

    发明人： Jun AZUMA ,  Kensuke OKAWA ,  Junichiro OTSUBO ,  Akihiko OGATA

    IPC分类号： G03G5/05 ,  G03G5/06 ,  G03G5/047

    CPC分类号： G03G5/0546 ,  G03G5/047 ,  G03G5/0507 ,  G03G5/0614 ,  G03G5/0672

    摘要： A multi-layer electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer includes a charge generating layer and a charge transport layer. The charge generating layer contains a charge generating material. The charge transport layer contains a charge transport material, a binder resin, and silica particles. The charge transport layer is a monolayer. The charge transport layer is disposed as an outermost surface layer of the multi-layer electrophotographic photosensitive member. The silica particles have a content of at least 0.5 parts by mass and no greater than 15 parts by mass relative to 100 parts by mass of the binder resin. The binder resin includes a polyarylate resin. The polyarylate resin has a repeating unit represented by general formula (I) shown below. In general formula (I), R1-R3 and Y are defined as those described in the specification.

    MULTI-LAYER ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
    6.
    发明申请
    MULTI-LAYER ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 有权
    多层电子感光元件，工艺盒和图像形成装置

    公开(公告)号：US20170060006A1

    公开(公告)日：2017-03-02

    申请号：US15247373

    申请日：2016-08-25

    申请人： KYOCERA Document Solutions Inc.

    发明人： Akihiko OGATA ,  Hideki OKADA ,  Jun AZUMA ,  Kensuke OKAWA

    IPC分类号： G03G15/00

    CPC分类号： G03G5/0614 ,  G03G5/047 ,  G03G5/0525 ,  G03G5/0564 ,  G03G5/0609 ,  G03G5/0672 ,  G03G5/0696

    摘要： A multi-layer electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer. The photosensitive layer includes a charge generating layer and a charge transport layer. The charge generating layer contains a charge generating material. The charge transport layer contains a hole transport material and a binder resin. The charge generating material contains a titanyl phthalocyanine that exhibits a main peak at a Bragg angle (2θ±0.2°) of 27.2° in a CuKα characteristic X-ray diffraction spectrum. The hole transport material contains a triarylamine derivative represented by generic formula (1). The hole transport material has a mass ratio of at least 0.30 and no greater than 0.55 relative to the binder resin in the charge transport layer. In general formula (1), R1, R2, l, and m are the same as those defined in the specification.

    摘要翻译： 多层电子照相感光构件包括导电衬底（2）和感光层（3）。 感光层包括电荷产生层（3a）和电荷传输层（3b）。 电荷产生层含有电荷产生材料。 电荷输送层含有空穴传输材料和粘合剂树脂。 电荷产生材料含有在CuK±特征X射线衍射光谱中表现出布拉格角（2±±0.2°）为27.2°的主峰的氧钛酞菁。 空穴传输材料含有由通式（1）表示的三芳基胺衍生物。 空穴传输材料相对于电荷输送层中的粘合剂树脂的质量比为至少0.30且不大于0.55。 在通式（1）中，R 1，R 2，1和m与说明书中定义的相同。

    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS
    8.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS 有权
    电子感光成像和图像形成装置

    公开(公告)号：US20140356773A1

    公开(公告)日：2014-12-04

    申请号：US14288614

    申请日：2014-05-28

    申请人： KYOCERA DOCUMENT SOLUTIONS INC.

    发明人： Jun AZUMA ,  Keiji MARUO ,  Kensuke OKAWA ,  Akihiko OGATA

    IPC分类号： G03G15/00 ,  G03G5/00

    CPC分类号： G03G5/047 ,  G03G5/0564 ,  G03G5/0614 ,  G03G5/0672

    摘要： An electrophotographic photosensitive member includes a photosensitive layer. The photosensitive layer contains a charge generating material, a hole transport material, and a binder resin. The hole transport material contains an amine stilbene derivative represented by a general formula (1), and the binder resin contains a polycarbonate resin represented by a general formula (2).

    摘要翻译： 电子照相感光构件包括感光层。 感光层含有电荷产生材料，空穴传输材料和粘合剂树脂。 空穴传输材料含有由通式（1）表示的胺二苯乙烯衍生物，粘合剂树脂含有由通式（2）表示的聚碳酸酯树脂。

    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    9.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER 审中-公开

    公开(公告)号：US20200233321A1

    公开(公告)日：2020-07-23

    申请号：US16746274

    申请日：2020-01-17

    申请人： KYOCERA Document Solutions Inc.

    发明人： Kazutaka SUGIMOTO ,  Kensuke OKAWA ,  Jun AZUMA

    IPC分类号： G03G5/047 ,  G03G5/05

    摘要： An electrophotographic photosensitive member includes a conductive substrate, a charge generating layer, and a charge transport layer. The charge generating layer has a thickness of at least 0.07 μm. The charge transport layer contains a binder resin, a hole transport material, and meta-terphenyl. The binder resin includes a polyarylate resin including repeating units and a group represented by respective general formulas (1) to (3). The electrophotographic photosensitive member satisfies at least two conditions of: (A) the charge generating layer has a thickness of at least 0.12 μm; (B) the charge transport layer contains a specific amount of fluororesin particles; and (C) the charge transport layer contains meta-terphenyl in an amount of at least 5.0 parts by mass and no greater than 15.0 parts by mass relative to 100 parts by mass of the binder resin.

    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS
    10.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER AND IMAGE FORMING APPARATUS 审中-公开

    公开(公告)号：US20200026207A1

    公开(公告)日：2020-01-23

    申请号：US16496487

    申请日：2017-12-28

    申请人： KYOCERA Document Solutions Inc.

    发明人： Kensuke OKAWA ,  Seiki HASUNUMA ,  Jun AZUMA

    IPC分类号： G03G5/06 ,  G03G5/07 ,  G03G15/00

    摘要： An electrophotographic photosensitive member (1) includes a conductive substrate (2) and a photosensitive layer (3) disposed directly or indirectly on the conductive substrate (2). The photosensitive layer (3) has a charge generating layer (3a) and a charge transport layer (3b) disposed in order from the conductive substrate (2). The charge generating layer (3a) contains a charge generating material. The charge transport layer (3b) contains a charge transport material, a binder resin, and a pigment that absorbs light having an irradiation wavelength. The binder resin includes a polyarylate resin including a repeating unit represented by general formula (1): In general formula (1), X and Y each represent, independently of one another, a divalent group represented by chemical formula (1-1). (1-2), (1-3), or (1-4): The pigment is a naphthalocyanine compound represented by general formula (2) or (3):