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    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
    3.
    发明授权
    Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US06465143B2

    公开(公告)日：2002-10-15

    申请号：US09768052

    申请日：2001-01-24

    申请人： Masato Tanaka ,  Hideki Anayama ,  Hidetoshi Hirano ,  Kan Tanabe ,  Kazue Asakura ,  Atsushi Fujii

    发明人： Masato Tanaka ,  Hideki Anayama ,  Hidetoshi Hirano ,  Kan Tanabe ,  Kazue Asakura ,  Atsushi Fujii

    IPC分类号： G03G506

    CPC分类号： G03G5/0694 ,  G03G5/0521

    摘要： An electrophotographic photosensitive member capable of forming images with less defects, such as ghost, while retaining a high photo-sensitivity, is provided. The photosensitive member includes a support and a photosensitive layer disposed on the support, wherein said photosensitive layer contains a phthalocyanine pigment and an azo calix[n]arene compound represented by the formula (1) below: wherein n denotes an integer of 4-8; a number (n) of R1 independently denote a hydrogen atom or an alkyl group capable of having a substituent and including at least one alkyl group capable of having a substituent; a number (2n) of R2 independently denote a hydrogen atom or an alkyl group capable of having a substituent; and a number (n) of Ar independently denote a monovalent group selected from an aromatic hydrocarbon ring group capable of having a substituent, a heterocyclic ring group capable of having a substituent, and a combination of these groups capable of having a substituent.

    摘要翻译： 提供能够形成具有较少缺陷的图像（例如重影）同时保持高光敏性的电子照相感光构件。 感光构件包括载体和设置在载体上的感光层，其中所述感光层含有酞菁颜料和由下式（1）表示的偶氮杯[n]芳烃化合物：其中n表示4-8的整数 ; R1的数个（n）独立地表示氢原子或能够具有取代基的烷基，并且包括至少一个能够具有取代基的烷基; R2的数（2n）独立地表示氢原子或能够具有取代基的烷基; 并且数个（n）的Ar独立地表示选自能够具有取代基的芳族烃环基团，可以具有取代基的杂环基团和可以具有取代基的这些基团的组合的一价基团。

    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
    5.
    发明授权
    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US07452644B2

    公开(公告)日：2008-11-18

    申请号：US11358204

    申请日：2006-02-22

    申请人： Masato Tanaka ,  Masataka Kawahara ,  Atsushi Fujii ,  Yuka Ishizuka

    发明人： Masato Tanaka ,  Masataka Kawahara ,  Atsushi Fujii ,  Yuka Ishizuka

    IPC分类号： G03G5/047

    CPC分类号： G03G5/144 ,  G03G5/0517 ,  G03G5/0542 ,  G03G5/0571 ,  G03G5/0601 ,  G03G5/0609 ,  G03G5/0679 ,  G03G5/0696 ,  G03G5/0698 ,  G03G5/142

    摘要： An electrophotographic photosensitive member capable of outputting an image in which a defect such as a ghost is suppressed even in a high-temperature-and-high-humidity environment, and in which a defect such as a change in density due to an abrupt change in light-area potential at an initial stage or a ghost due to long-term durable use is suppressed even in a low-humidity environment; and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member; are provided. The electrophotographic photosensitive member has a layer which comprises a compound having a specific structure between a support and a charge-generating layer.

    摘要翻译： 能够输出即使在高温高湿环境下也能抑制诸如重影等缺陷的图像的电子照相感光构件，其中由于突然变化引起的密度变化等缺陷 甚至在低湿度环境下也抑制了由于长期耐久使用而导致的初始阶段或重影的光区电位; 以及各自具有电照相感光构件的处理盒和电子照相设备; 被提供。 电子照相感光构件具有包含在载体和电荷产生层之间具有特定结构的化合物的层。

    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
    6.
    发明授权
    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US07097950B2

    公开(公告)日：2006-08-29

    申请号：US11151309

    申请日：2005-06-14

    申请人： Masato Tanaka ,  Masataka Kawahara ,  Atsushi Fujii ,  Yuka Ishizuka

    发明人： Masato Tanaka ,  Masataka Kawahara ,  Atsushi Fujii ,  Yuka Ishizuka

    IPC分类号： G03G5/047

    CPC分类号： G03G5/144 ,  G03G5/0517 ,  G03G5/0542 ,  G03G5/0571 ,  G03G5/0601 ,  G03G5/0609 ,  G03G5/0679 ,  G03G5/0696 ,  G03G5/0698 ,  G03G5/142

    摘要： An electrophotographic photosensitive member capable of outputting an image in which a defect such as a ghost is suppressed even in a high-temperature-and-high-humidity environment, and in which a defect such as a change in density due to an abrupt change in light-area potential at an initial stage or a ghost due to long-term durable use is suppressed even in a low-humidity environment; and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member; are provided. The electrophotographic photosensitive member has a layer which comprises a compound having a specific structure between a support and a charge-generating layer.

    摘要翻译： 能够输出即使在高温高湿环境下也能抑制诸如重影等缺陷的图像的电子照相感光构件，其中由于突然变化引起的密度变化等缺陷 甚至在低湿度环境下也抑制了由于长期耐久使用而导致的初始阶段或重影的光区电位; 并且提供各自具有电子照相感光构件的处理盒和电子照相设备。 电子照相感光构件具有包含在载体和电荷产生层之间具有特定结构的化合物的层。

    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus
    7.
    发明申请
    Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus 有权
    电子照相感光构件，处理盒和电子照相设备

    公开(公告)号：US20060172208A1

    公开(公告)日：2006-08-03

    申请号：US11358204

    申请日：2006-02-22

    申请人： Masato Tanaka ,  Masataka Kawahara ,  Atsushi Fujii ,  Yuka Ishizuka

    发明人： Masato Tanaka ,  Masataka Kawahara ,  Atsushi Fujii ,  Yuka Ishizuka

    IPC分类号： G03G5/14 ,  G03G5/047

    CPC分类号： G03G5/144 ,  G03G5/0517 ,  G03G5/0542 ,  G03G5/0571 ,  G03G5/0601 ,  G03G5/0609 ,  G03G5/0679 ,  G03G5/0696 ,  G03G5/0698 ,  G03G5/142

    摘要： An electrophotographic photosensitive member capable of outputting an image in which a defect such as a ghost is suppressed even in a high-temperature-and-high-humidity environment, and in which a defect such as a change in density due to an abrupt change in light-area potential at an initial stage or a ghost due to long-term durable use is suppressed even in a low-humidity environment; and a process cartridge and an electrophotographic apparatus each having the electrophotographic photosensitive member; are provided. The electrophotographic photosensitive member has a layer which comprises a compound having a specific structure between a support and a charge-generating layer.

    摘要翻译： 能够输出即使在高温高湿环境下也能抑制诸如重影等缺陷的图像的电子照相感光构件，其中由于突然变化引起的密度变化等缺陷 甚至在低湿度环境下也抑制了由于长期耐久使用而导致的初始阶段或重影的光区电位; 以及各自具有电照相感光构件的处理盒和电子照相设备; 被提供。 电子照相感光构件具有包含在载体和电荷产生层之间具有特定结构的化合物的层。

    Electrophotographic apparatus, process cartridge and electrophotographic photosensitive member unit
    8.
    发明授权
    Electrophotographic apparatus, process cartridge and electrophotographic photosensitive member unit 有权
    电子照相设备，处理盒和电子照相感光元件单元

    公开(公告)号：US07071962B2

    公开(公告)日：2006-07-04

    申请号：US10842488

    申请日：2004-05-11

    申请人： Atsushi Fujii ,  Masato Tanaka ,  Ryuji Higashi

    发明人： Atsushi Fujii ,  Masato Tanaka ,  Ryuji Higashi

    IPC分类号： B41J2/435

    CPC分类号： G03G15/326 ,  G03G15/04072 ,  G03G15/751 ,  G03G2215/00962 ,  G03G2215/0404 ,  G03G2215/0407

    摘要： An electrophotographic apparatus has a beam spot made to have a small spot diameter by the use of a laser having an oscillation wavelength within the range of from 380 nm to 450 nm, and enables image reproduction at ultra-high resolution and with ultra-high image quality. The apparatus includes I) an electrophotographic photosensitive member unit having i) an electrophotographic photosensitive member having a photosensitive layer on a cylindrical support and ii) fitting members fitted to the end portions of the electrophotographic photosensitive member, and II) an exposure device having a laser having an oscillation wavelength within the range of from 380 nm to 450 nm, and in which a spot diameter Di (μm) of a beam spot formed on the surface of the electrophotographic photosensitive member by a laser beam emitted from the laser is 40 μm or less, and the cylinder deflection De (μm) of the electrophotographic photosensitive member unit is 1.5 times or less the spot diameter Di (μm) of the beam spot.

    摘要翻译： 电子照相设备具有通过使用具有380nm至450nm范围内的振荡波长的激光而具有小斑点直径的束斑，并且能够以超高分辨率和超高图像进行图像再现 质量。 该装置包括I）电子照相感光构件单元，其具有i）在圆柱形支撑件上具有感光层的电子照相感光构件，以及ii）配合到电子摄影感光构件的端部的配合构件，以及II）具有激光的曝光装置 其振荡波长在380nm至450nm的范围内，并且其中通过激光束发射的激光束在电子照相感光构件的表面上形成的光束点的光斑直径Di（mum）为40μm或 电子照相感光构件单元的圆柱偏转De（mum）为光点的光斑直径Di（mum）的1.5倍以下。

    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND ELECTROPHOTOGRAPHIC APPARATUS AND PROCESS CARTRIDGE WHICH MAKE USE OF THE SAME
    9.
    发明申请
    ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, AND ELECTROPHOTOGRAPHIC APPARATUS AND PROCESS CARTRIDGE WHICH MAKE USE OF THE SAME 有权
    电子照相感光元件和电子照相设备及使用其的电子摄像机

    公开(公告)号：US20070154828A1

    公开(公告)日：2007-07-05

    申请号：US11687163

    申请日：2007-03-16

    申请人： Atsushi Fujii ,  Masato Tanaka

    发明人： Atsushi Fujii ,  Masato Tanaka

    IPC分类号： G03G5/06

    CPC分类号： G03G5/0681 ,  G03G5/0679 ,  G03G5/0683

    摘要： An electrophotographic photosensitive member having a support and a photosensitive layer sensitive to semiconductor laser light of wavelength from 380 to 500 nm. The photosensitive layer contains (a) a bisazo pigment (i) of the following Formula (1): wherein R1 and R2 are each an optionally substituted alkyl group or a halogen atom; R3 and R5 are each a hydrogen atom, R4 and R6 are each a 3-substituted phenyl group where the substitutent is Cl, F, Br, I, nitro, trifluoromethyl, trifluromethoxyl, acetyl or cyano; Z1 and Z2 are each an oxygen atom; m1 and m2 are each 0 to 4; and n1, n2 and n3 are 0; or (b) a bisazo pigment (ii) of Formula (1) wherein R1-R6, Z1, Z2 and m1, m2 are as before, n1, n2 and n3 are each 1, and A1 and A2 are phenylene and A3 is carbonyl.

    摘要翻译： 具有支持体的电子照相感光构件和对波长为380〜500nm的半导体激光敏感的感光层。 感光层含有（a）下式（1）的双偶氮颜料（i）：其中R 1和R 2各自为任选取代的烷基或 卤素原子; R 3和R 5各自为氢原子，R 4和R 6各自为3-取代的 苯基，其中取代基为Cl，F，Br，I，硝基，三氟甲基，三氟甲氧基，乙酰基或氰基; Z 1和Z 2各自为氧原子; m 1和m 2 2各自为0至4; 且n 1，n 2和n 3均为0; 或（b）式（1）的双偶氮颜料（ii），其中R 1 -R 6，Z 1，Z 3， 2＆lt; 1＆gt;和＆lt; 1＆gt;，m 2＆gt;如前所述，n 1，n 2和n 3个，各自为1，A 1和A 2是亚苯基，A 3是羰基。

    Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge which make use of the same
    10.
    发明申请
    Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge which make use of the same 有权

    公开(公告)号：US20050181292A1

    公开(公告)日：2005-08-18

    申请号：US10981564

    申请日：2004-11-05

    申请人： Atsushi Fujii ,  Masato Tanaka

    发明人： Atsushi Fujii ,  Masato Tanaka

    IPC分类号： G03G5/06 ,  C09B35/023 ,  G03G5/04

    CPC分类号： G03G5/0681 ,  G03G5/0679 ,  G03G5/0683

    摘要： This invention relates to an electrophotographic photosensitive member having a support and a photosensitive layer. In the electrophotographic photosensitive member having a support and a photosensitive layer, which electrophotographic photosensitive member makes use of, as writing light, a semiconductor laser light ray having a wavelength of from 380 to 500 nm, the photosensitive layer contains a bisazo pigment represented by the following Formula (1): wherein A1, A2 and A3 may be the same or different, and each independently represent a saturated or unsaturated aliphatic hydrocarbon group which may have a substituent, an aromatic hydrocarbon ring group which may have a substituent, a heterocyclic ring group which may have a substituent, or a carbonyl group; R1 and R2 may be the same or different, and each independently represent an alkyl group which may have a substituent, an aryl group which may have a substituent, or a halogen atom; R3, R4, R5 and R6 may be the same or different, and each independently represent a hydrogen atom, an alkyl group which may have a substituent, an aryl group which may have a substituent, a heterocyclic ring group which may have a substituent, or an aralkyl group which may have a substituent, provided that R3 and R4, and R5 and R6, may each form a cyclic amino group via the nitrogen atom in the formula; Z1 and Z2 each independently represent an oxygen atom or a sulfur atom; m1 and m2 each represent an integer of 0 to 4; and n1, n2 and n3 each independently represent 0 or 1.