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    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
    1.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER 审中-公开

    公开(公告)号：US20190064684A1

    公开(公告)日：2019-02-28

    申请号：US16080534

    申请日：2017-02-10

    Applicant: KYOCERA Document Solutions Inc.

    Inventor： Hideki OKADA

    IPC: G03G5/06 ,  G03G5/05

    CPC classification number: G03G5/0657 ,  G03G5/0564 ,  G03G5/0614 ,  G03G5/0629 ,  G03G5/0696

    Abstract: An electrophotographic photosensitive member (1) includes a conductive substrate (2) and a photosensitive layer (3). The photosensitive layer (3) contains a charge generating material and a compound represented by general formula (1) shown below. In general formula (1), R1 and R2 each represent, independently of one another: a C1-20 alkyl group optionally having at least one of a C6-14 aryl group optionally having a substituent and a C2-20 alkoxycarbonyl group; a C6-14 aryl group optionally having a C1-20 alkyl group; a C3-10 cycloalkyl group; or a C1-6 alkoxy group.

    Image bearing member, image forming method, image forming apparatus, and process cartridge
    7.
    发明授权
    Image bearing member, image forming method, image forming apparatus, and process cartridge 有权
    图像承载部件，成像方法，图像形成装置和处理盒

    公开(公告)号：US08889324B2

    公开(公告)日：2014-11-18

    申请号：US13023089

    申请日：2011-02-08

    Applicant: Ryota Arai ,  Tomoyuki Shimada

    Inventor： Ryota Arai ,  Tomoyuki Shimada

    IPC: G03G5/04 ,  G03G5/06

    CPC classification number: G03G5/0651 ,  G03G5/0605 ,  G03G5/0609 ,  G03G5/0616 ,  G03G5/0629 ,  G03G5/0642 ,  G03G5/065 ,  G03G2215/00957

    Abstract: An image bearing member including an electroconductive substrate, and a photosensitive layer provided overlying the electroconductive substrate, the photosensitive layer containing at least one charge transport materials selected from the group consisting of a naphthalene tetracarboxylic acid diimide-isoindol derivative represented by the following chemical structure 1, a naphthalimide-isoindol derivative represented by the following chemical structure 2, and a triphenyl amine-isoindol derivative represented by the following chemical structure 3, where R1 and R2 independently represent a hydrogen atom, a substituted or non-substituted alkyl group, an alkoxy group, a substituted or non-substituted aromatic hydrocarbon group, a halogen atom, and a nitro group, k represents an integer of 1 to 4, and l represents an integer of from 1 to 5 and R3 represents a substituted or non-substituted alkyl group, a substituted or non-substituted cycloalkyl group, and a substituted or non-substituted aromatic hydrocarbon group, where R1, R2, and R4 independently represent a hydrogen atom, a substituted or non-substituted alkyl group, an alkoxy group, a substituted or non-substituted aromatic hydrocarbon group, a halogen atom, and nitro group, and k represents an integer of 1 to 4, l represents an integer of from 1 to 5, and m represents an integer of 1 to 6, and where R1, R2, R5, and R6 independently represent a hydrogen atom, a substituted or non-substituted alkyl group, an alkoxy group, a substituted or non-substituted aromatic hydrocarbon group, a halogen atom, and nitro group, and k represents an integer of 1 to 4, and l, n, and p represent integers of from 1 to 5.

    Abstract translation: 包含导电性基体的图像承载部件和设置在导电性基体上的感光层，所述感光层含有选自由以下化学结构1表示的萘四羧酸二酰亚胺 - 异吲哚衍生物的至少一种电荷输送材料 ，由以下化学结构2表示的萘酰亚胺 - 异吲哚衍生物和由以下化学结构3表示的三苯胺 - 异吲哚衍生物，其中R 1和R 2独立地表示氢原子，取代或未取代的烷基，烷氧基 基团，取代或未取代的芳族烃基，卤素原子和硝基，k表示1〜4的整数，l表示1〜5的整数，R 3表示取代或未取代的烷基 基团，取代或未取代的环烷基，以及取代或未取代的 芳烃基，其中R 1，R 2和R 4独立地表示氢原子，取代或未取代的烷基，烷氧基，取代或未取代的芳族烃基，卤素原子和硝基，k 表示1〜4的整数，l表示1〜5的整数，m表示1〜6的整数，R 1，R 2，R 5和R 6分别独立地表示氢原子，取代或未取代的 烷基，烷氧基，取代或未取代的芳族烃基，卤素原子和硝基，k表示1〜4的整数，l，n和p表示1〜5的整数。

    IMAGE HOLDING MEMBER FOR IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
    9.
    发明申请
    IMAGE HOLDING MEMBER FOR IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 有权
    图像形成装置的图像保持构件，处理盒和图像形成装置

    公开(公告)号：US20130164662A1

    公开(公告)日：2013-06-27

    申请号：US13466634

    申请日：2012-05-08

    Applicant: Hidekazu HIROSE ,  Ryosaku IGARASHI ,  Katsuhiro SATO

    Inventor： Hidekazu HIROSE ,  Ryosaku IGARASHI ,  Katsuhiro SATO

    IPC: G03G15/00 ,  G03G5/07 ,  G03G21/18

    CPC classification number: G03G5/0629 ,  G03G5/0614 ,  G03G5/076

    Abstract: An image holding member for an image forming apparatus includes a support and a photosensitive layer disposed on the support and containing a compound represented by following formula (I), wherein R1s each independently represent a substituted or unsubstituted linear or branched alkyl group having from 1 to 8 carbon atoms; Ar's each independently represent a substituted or unsubstituted phenyl group, a substituted or unsubstituted monovalent polynuclear aromatic hydrocarbon group having two aromatic rings, a substituted or unsubstituted monovalent condensed aromatic hydrocarbon group having two or three aromatic rings, or a substituted or unsubstituted monovalent aromatic heterocyclic group; and n's each independently represent a number of from 0 to 7.

    Abstract translation: 用于图像形成装置的图像保持部件包括载体和设置在载体上的感光层，并且含有下式（I）表示的化合物，其中R 1各自独立地表示取代或未取代的直链或支链烷基，其具有1〜 8个碳原子; Ar各自独立地表示取代或未取代的苯基，具有两个芳香环的取代或未取代的一价多价芳香族烃基，具有两个或三个芳香环的取代或未取代的一价稠合芳香族烃基，或取代或未取代的1价芳香族杂环基 ; n分别独立地表示0〜7的数。

    IMAGE FORMING APPARATUS AND ELECTROPHOTOGRAPHIC CARTRIDGE
    10.
    发明申请
    IMAGE FORMING APPARATUS AND ELECTROPHOTOGRAPHIC CARTRIDGE 有权
    图像形成装置和电子绘图盒

    公开(公告)号：US20110206411A1

    公开(公告)日：2011-08-25

    申请号：US13033338

    申请日：2011-02-23

    Applicant: Tadashi MIZUSHIMA ,  Akiteru Fujii ,  Takayuki Shoda

    Inventor： Tadashi MIZUSHIMA ,  Akiteru Fujii ,  Takayuki Shoda

    IPC: G03G21/18 ,  G03G15/00

    CPC classification number: G03G5/047 ,  G03G5/04 ,  G03G5/043 ,  G03G5/0525 ,  G03G5/0542 ,  G03G5/056 ,  G03G5/0567 ,  G03G5/0614 ,  G03G5/0618 ,  G03G5/0629 ,  G03G5/1473 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/0904 ,  G03G9/0906 ,  G03G9/0926 ,  G03G9/09321 ,  G03G9/09364 ,  G03G9/09385 ,  G03G9/09392 ,  G03G21/0005 ,  G03G21/0011 ,  G03G2215/00957 ,  G03G2215/0604

    Abstract: The invention is to provide an image forming apparatus and an electrophotographic cartridge, which are free from problems of cleaning failure, filming, soiling, residual images (ghosts), fogging, density reduction, noise and the like and which can provide high-definition images even when a toner having a small particle size and having a high degree of circularity is used and even when a photoreceptor having a small outer diameter is used. An image forming apparatus comprising: an electrophotographic photoreceptor containing a conductive support and a photosensitive layer on the conductive support, a charging unit for charging the electrophotographic photoreceptor, an imagewise exposing unit for imagewise exposing the charged electrophotographic photoreceptor to form an electrostatic latent image thereon, a developing unit for developing the electrostatic latent image with a toner, and a transferring unit for transferring the toner from the electrophotographic photoreceptor to a receiving unit, wherein the outer diameter of the electrophotographic photoreceptor is 20 mm or less, the photosensitive layer contains a polyarylate resin, and the toner satisfies the specific requirements (1) and (2).

    Abstract translation: 本发明提供一种图像形成装置和电子照像盒，其不存在清洁故障，成膜，污染，残留图像（重影），起雾，降低密度，噪声等的问题，并且可以提供高清晰图像 即使当使用具有小颗粒尺寸并且具有高圆度度的调色剂时，即使使用具有小外径的感光体。 一种图像形成装置，包括：在导电支架上包含导电支撑体和感光层的电子照相感光体，用于对电子照相感光体充电的充电单元，用于对带电电子照相感光体进行成像曝光以在其上形成静电潜像的成像曝光单元， 用调色剂显影静电潜像的显影单元和用于将调色剂从电子照相感光体转印到接受单元的转印单元，其中电子照相感光体的外径为20mm以下，感光层含有多芳基化合物 树脂，并且调色剂满足具体要求（1）和（2）。

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