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    • 12. 发明授权
    • Image forming apparatus and process cartridge
    • 成像设备和处理盒
    • US08380109B2
    • 2013-02-19
    • US12319652
    • 2009-01-09
    • Eiji KurimotoKeisuke ShimoyamaTomoyuki ShimadaMasafumi OhtaYuuji Tanaka
    • Eiji KurimotoKeisuke ShimoyamaTomoyuki ShimadaMasafumi OhtaYuuji Tanaka
    • G03G15/00G03G5/06
    • G03G5/0648G03G5/0614G03G5/0651G03G15/751
    • An image forming apparatus including at least an image bearing member having a substrate having a photosensitive layer thereon, the image bearing member to bear a latent electrostatic image on a surface thereof, a charging device to the surface of the image bearing member, an irradiation device to irradiate the surface of the image bearing member with light to form a latent electrostatic image thereon, a development device to develop the latent electrostatic with toner to obtain a developed image, a transfer device to transfer the developed image to a recording medium, and a cleaning device to clean the surface of the image bearing member, wherein the photosensitive layer includes naphthalene tetracarbonic acid diimide derivative as a charge transport material represented by the following Chemical Structure (1): In the Chemical Structure (1), Z represents a group represented by the following Chemical Formula (1): or the following Chemical Formula (2): —R9  Chemical Formula (2). In the Chemical Structure (1), and the Chemical Formulae (1) and (2), R1, R2, R3, R4 and R9 each, independently, represent a substituted or non-substituted alkyl group or a substituted or non-substituted aromatic hydrocarbon group, R5, R6, R7 and R8 each, independently, represent hydrogen atom, a substituted or non-substituted alkyl group, or a substituted or non-substituted aromatic hydrocarbon group, and R1 and R2 and R3 and R4 optionally share a bond connectivity to form a substituted or non-substituted heterocyclic group including a nitrogen atom.
    • 一种图像形成装置,至少包括具有其上具有感光层的基底的图像承载部件,其表面上承载静电潜像的图像承载部件,图像承载部件的表面上的充电装置,照射装置 用光照射图像承载部件的表面以在其上形成静电潜像,显影装置,用调色剂显影静电以获得显影图像,将显影图像转印到记录介质的转印装置,以及 清洁装置,以清洁图像承载部件的表面,其中感光层包括萘四羧酸二酰亚胺衍生物作为由以下化学结构(1)表示的电荷传输材料:在化学结构(1)中,Z表示 通过以下化学式(1):或以下化学式(2):-R9化学式(2)。 在化学结构(1)和化学式(1)和(2)中,R 1,R 2,R 3,R 4和R 9各自独立地表示取代或未取代的烷基或取代或未取代的芳族 烃基,R 5,R 6,R 7和R 8各自独立地表示氢原子,取代或未取代的烷基或取代或未取代的芳族烃基,并且R 1和R 2和R 3和R 4任选地共享一个键 连接性以形成包括氮原子的取代或未取代的杂环基。
    • 14. 发明授权
    • Electrophotographic photoconductor, and image forming apparatus, process cartridge and image forming method using the same
    • 电子照相感光体和图像形成装置,处理盒和使用其的成像方法
    • US08007972B2
    • 2011-08-30
    • US11521493
    • 2006-09-15
    • Eiji KurimotoKeisuke ShimoyamaMichio KimuraShinichi KawamuraTakeshi TakadaYasuyuki YamashitaNaohiro TodaHideo Nakamori
    • Eiji KurimotoKeisuke ShimoyamaMichio KimuraShinichi KawamuraTakeshi TakadaYasuyuki YamashitaNaohiro TodaHideo Nakamori
    • G03G5/06
    • G03G5/047G03G5/0651G03G5/0661
    • An object of the present invention is to provide an image forming apparatus containing an electrophotographic photoconductor, a charging unit, an exposing unit, a developing unit, a transfer unit and a cleaning unit, wherein the electrophotographic photoconductor contains a support and at least a photosensitive layer disposed on the support, wherein the photosensitive layer contains a charge generating material and a compound expressed by the following Structural Formula (1), and wherein, in the Structural Formula (1), “R1” and “R2” may be identical to each other or different, and represent any one of hydrogen atom, alkyl group which may be substituted, cycloalkyl group which may be substituted and aralkyl group which may be substituted. “R3”, “R4”, “R5”, “R6”, “R7”, “R8”, “R9”, “R10”, “R11”, “R12”, “R13” and “R14” may be identical to each other or different, and represent any one of hydrogen atom, halogen atom, cyano group, nitro group, amino group, hydroxyl group, alkyl group which may be substituted, cycloalkyl group which may be substituted and aralkyl group which may be substituted. “n” is a number of replication and represents an integer of 0 to 100.
    • 本发明的目的是提供一种包含电子照相感光体,充电单元,曝光单元,显影单元,转印单元和清洁单元的图像形成设备,其中电子照相感光体含有载体和至少一种感光 层,其中感光层包含电荷产生材料和由以下结构式(1)表示的化合物,并且其中在结构式(1)中,“R1”和“R2”可以相同 彼此或不同,并且表示氢原子,可被取代的烷基,可被取代的环烷基和可被取代的芳烷基中的任何一个。 “R3”,“R4”,“R5”,“R6”,“R7”,“R8”,“R9”,“R10”,“R11”,“R12”,“R13”和“R14” 表示氢原子,卤素原子,氰基,硝基,氨基,羟基,可以被取代的烷基,可被取代的环烷基和可以被取代的芳烷基中的任意一种。 “n”是复制数,表示0〜100的整数。
    • 16. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US08588630B2
    • 2013-11-19
    • US13343910
    • 2012-01-05
    • Eiji KurimotoHiroshi IkunoKeisuke Shimoyama
    • Eiji KurimotoHiroshi IkunoKeisuke Shimoyama
    • G03G21/00
    • G03G21/1671G03G15/5033G03G15/505G03G15/757
    • An image forming apparatus having a rotary image bearing member, a charging device to charge the image bearing member. an irradiator to irradiate the image bearing member to form a latent electrostatic image thereon, a developing device to develop the latent electrostatic image with a developing agent containing toner to obtain a visible image, a transfer device to transfer the visible image to a recording medium, a first cleaner that slidably contacts the image bearing member to remove toner remaining thereon, a driving mechanism to drive the image bearing member at different linear speeds, a noise detector provided in the vicinity of the image bearing member to detect noise, and an abnormal noise predictor device to predict whether abnormal noise hear during image formation based on noise detected by the noise detector when the image bearing member is driven not during image formation at a linear speed different from that during image formation.
    • 一种图像形成装置,具有旋转图像承载部件,对图像承载部件进行充电的充电装置。 用于照射图像承载部件以在其上形成静电潜像的照射器,用含有调色剂的显影剂显影静电潜像以获得可见图像的显影装置,将可见图像转印到记录介质的转印装置, 第一清洁器,其可滑动地接触图像承载部件以除去残留在其上的调色剂;以不同线速度驱动图像承载部件的驱动机构;设置在图像承载部件附近以检测噪声的噪声检测器和异常噪声 预测器装置,用于在图像形成期间以不同于图像形成期间的线速度的图像形成期间,基于噪声检测器检测到的噪声来预测图像形成期间异常噪声是否听到。
    • 17. 发明授权
    • Image forming method and image forming apparatus
    • 图像形成方法和图像形成装置
    • US08252499B2
    • 2012-08-28
    • US13014337
    • 2011-01-26
    • Eiji KurimotoKeisuke Shimoyama
    • Eiji KurimotoKeisuke Shimoyama
    • G03G5/05
    • G03G5/047G03G5/0564G03G5/0575G03G5/0637G03G5/0651G03G5/0696G03G2215/00957
    • A high-quality, stable image forming apparatus and method which are free from abnormal images, particularly afterimages, after prolonged repeated use by using a photoconductor a conductive substrate and a single-layered photosensitive layer which contains a charge generating material, an electron transporting material, a positive-hole transporting substance and a binder resin, wherein the charge generating material contains crystalline titanyl phthalocyanine having a maximum diffraction peak of at least 27.2° as a diffraction peak ±0.2° of the Bragg angle 2θ with respect to the Cu-Kα line of the wavelength of 1.542Å, further having major peaks at 9.4°, 9.6°, 24.0°, and also having a peak at 7.3° as a diffraction peak on the lowest angle side but not having a peak between the peak of 7.3° and that of 9.4°, and X-metal free phthalocyanine, and the electron transporting material contains a compound represented by the following General Formula (1),
    • 通过使用感光体长时间重复使用导电性基板和含有电荷产生材料的单层感光层,不会出现异常图像,特别是残影的高质量,稳定的图像形成装置和方法,电子传输材料 ,空穴传输物质和粘合剂树脂,其中电荷产生材料包含具有至少27.2°的最大衍射峰的晶体氧钛酞菁作为布拉格角2的衍射峰±0.2°; 相对于波长为1.542的Cu-Kα线,在9.4°,9.6°,24.0°处具有主峰,并且在最低角度侧还具有在7.3°处的峰,但不具有 峰值为7.3°和9.4°之间的峰,以及X-金属的酞菁,电子传输材料含有由以下通式(1)表示的化合物,