公开(公告)号：US08129083B2

公开(公告)日：2012-03-06

申请号：US12431490

申请日：2009-04-28

申请人： Tomoko Sakimura ,  Toyoko Shibata ,  Fumitaka Mochizuki ,  Shinichi Hamaguchi ,  Masanori Yumita

发明人： Tomoko Sakimura ,  Toyoko Shibata ,  Fumitaka Mochizuki ,  Shinichi Hamaguchi ,  Masanori Yumita

IPC分类号： G03G5/06

CPC分类号： G03G5/0614 ,  G03G5/0603 ,  G03G5/0605 ,  G03G5/0609

摘要： An electrophotographic photoreceptor is disclosed, comprising on or over an electrically conductive support a photosensitive layer containing a charge generation material and a charge transfer material, wherein the charge generation material is comprised of two or more compounds represented by the following formula wherein X and Y are each an alkyl group or a halogen atom, n is an integer of 1 to 6 and m is an integer of 0 to 6, and wherein the compounds differ in at least one of m and n of the formula.

摘要翻译： 公开了一种电子照相感光体，其在导电载体上或上方包含含有电荷产生材料和电荷转移材料的感光层，其中电荷产生材料由两种或多种由下式表示的化合物组成：其中X和Y为 每个为烷基或卤素原子，n为1至6的整数，m为0至6的整数，并且其中化合物的m和n至少之一不同。

公开(公告)号：US08158314B2

公开(公告)日：2012-04-17

申请号：US12370920

申请日：2009-02-13

申请人： Tomoko Sakimura ,  Toyoko Shibata ,  Shinichi Hamaguchi

发明人： Tomoko Sakimura ,  Toyoko Shibata ,  Shinichi Hamaguchi

IPC分类号： G03G5/047

CPC分类号： G03G15/751 ,  G03G5/0605 ,  G03G5/0609 ,  G03G5/0614

摘要： An object of the present invention is to form a high density electrostatic latent image on an organic photoreceptor via image exposure using a semiconductor laser or a light-emitting diode of an oscillation wavelength of 350-500 nm; and to provide an organic photoreceptor exhibiting improved sensitivity and repetition characteristics or improved dot reproducibility deterioration, and an image forming apparatus employing the organic photoreceptor. In an organic photoreceptor having a charge generating layer and a charge transporting layer on a conductive support, an organic photoreceptor wherein a charge generating layer incorporates a binder resin and a Br substituted pyranthrone-based compound and the spectral spectrum of the charge generating layer has maximum absorption values each in the region of 430-445 nm, 500-510 nm, and 530-545 nm.

摘要翻译： 本发明的目的是通过使用半导体激光器或振荡波长为350-500nm的发光二极管通过图像曝光在有机感光体上形成高密度静电潜像; 并且提供具有改进的灵敏度和重复特性或改进的点再现性劣化的有机感光体，以及使用有机感光体的图像形成装置。 在导电性载体上具有电荷产生层和电荷传输层的有机感光体中，电荷产生层包含粘合剂树脂和Br取代的吡喃酮类化合物的有机感光体，电荷产生层的光谱具有最大值 在430-445nm，500-510nm和530-545nm的区域中各自的吸收值。

公开(公告)号：US08034519B2

公开(公告)日：2011-10-11

申请号：US12139648

申请日：2008-06-16

申请人： Tomoko Sakimura ,  Toyoko Shibata ,  Shinichi Hamaguchi

发明人： Tomoko Sakimura ,  Toyoko Shibata ,  Shinichi Hamaguchi

IPC分类号： G03G5/00

CPC分类号： G03G5/0659 ,  G03G5/0605 ,  G03G5/0609 ,  G03G5/0614 ,  G03G2215/00957

摘要： Disclosed is an electrophotographic photoreceptor comprising on or over an electrically conductive support a photosensitive layer containing a pyranthrone compound represented by the following formula and the pyranthrone compound has a crystal structure exhibiting a CuKα X-ray diffraction spectrum having peaks at angles (2θ±0.2°) of 12.3°, 20.5°, 25.3° and 28.3°.

摘要翻译： 公开了一种电子照相感光体，其在导电性载体上包含含有由下式表示的吡喃酮化合物的感光层，所述吡喃酮化合物具有呈现出角度为（2θ±0.2°）的峰值的CuKαX射线衍射光谱的晶体结构 °）为12.3°，20.5°，25.3°和28.3°。

公开(公告)号：US20090214968A1

公开(公告)日：2009-08-27

申请号：US12388014

申请日：2009-02-18

申请人： Shinichi Hamaguchi ,  Toyoko Shibata ,  Tomoko Sakimura

发明人： Shinichi Hamaguchi ,  Toyoko Shibata ,  Tomoko Sakimura

IPC分类号： G03G5/04 ,  G03G5/00 ,  G03G13/06 ,  G03G15/00

CPC分类号： G03G5/0657 ,  G03G5/0605 ,  G03G5/0614 ,  G03G15/751 ,  G03G2215/00957

摘要： A mixture of bisamine compounds comprising a bisamine compound represented by Formula (1) and a bisamine compound represented by Formula (2): A-X-A  Formula (1) A-X—B  Formula (2) wherein, A and B represent a different substituted amino group represented by Formula (3), X represents a bivalent linkage group: wherein, each of Ara and Arb independently represents an aryl group which may have a substituted group, and Arc represents an arylene group which may have a substituted group, and Ara, Arb and Arc may be combined to form a ring structure.

摘要翻译： 包括由式（1）表示的双胺化合物和由式（2）表示的双胺化合物的双胺化合物的混合物：<？在线公式描述=“在线公式”末端=“铅”→AXA式 （1）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> AXB Formula 其中，A和B表示由式（3）表示的不同的取代氨基，X表示二价连接基团：其中， Ara和Arb各自独立地表示可以具有取代基的芳基，Arc表示可以具有取代基的亚芳基，Ara，Arb和Arc可以结合形成环结构。

公开(公告)号：US07238457B2

公开(公告)日：2007-07-03

申请号：US11040448

申请日：2005-01-21

申请人： Toyoko Shibata ,  Masao Asano ,  Hiroshi Yamazaki ,  Tomoko Sakimura

发明人： Toyoko Shibata ,  Masao Asano ,  Hiroshi Yamazaki ,  Tomoko Sakimura

IPC分类号： G03G15/02

CPC分类号： G03G5/0614 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/067 ,  G03G5/0672 ,  G03G5/0674

摘要： An electrophotographic photoreceptor comprising a support, an interlayer containing inorganic particle and a photosensitive layer is disclosed. The photosensitive layer contains a mixture of compounds represented by Formula (1) having different n and (Rp+Rs) is not more than 99%, wherein Rp is a ratio of a component having the maximum content in the mixture and Rs is a ratio of a component having the content next to the maximum content in percent. X—(CTM-group)n—Y   (1) In the formula, CTM-group is a charge transfer group; X and Y are each a hydrogen atom, a halogen atom or a mono-valent organic group; and n is an integer of from 0 to 10, provided that n is an integer of from 1 to 10 when both X and Y are hydrogen atom or a halogen atom. A processing cartridge comprising the electrophotographic photoreceptor is also disclosed.

摘要翻译： 公开了一种包含载体，含有无机颗粒的中间层和感光层的电子照相感光体。 感光层含有不同于n的式（1）表示的化合物的混合物，（Rp + Rs）不大于99％，其中Rp是混合物中具有最大含量的组分的比例，Rs是比例 具有以百分比表示的最大内容旁边的内容的组件。 <？in-line-formula description =“In-line Formulas”end =“lead”？> X-（CTM-group） -Y（1）<？in-line-formula description =“在线公式”end =“tail”？>在公式中，CTM组是电荷转移组; X和Y各自为氢原子，卤素原子或一价有机基团; n为0〜10的整数，条件是当X和Y均为氢原子或卤素原子时，n为1〜10的整数。 还公开了一种包括电子照相感光体的处理盒。

公开(公告)号：US20060088777A1

公开(公告)日：2006-04-27

申请号：US11215328

申请日：2005-08-30

申请人： Tomoko Sakimura ,  Toyoko Shibata

发明人： Tomoko Sakimura ,  Toyoko Shibata

IPC分类号： G03G5/00

CPC分类号： G03G9/0827 ,  G03G5/04 ,  G03G5/043 ,  G03G5/0614 ,  G03G5/0637 ,  G03G5/0638 ,  G03G5/0642 ,  G03G5/0644 ,  G03G5/0666 ,  G03G9/0819

摘要： An electrophotographic image forming method is disclosed in which toner has a number ratio of toner particles having a shape coefficient of 1.2 to 1.6 being at least 65 percent, a variation coefficient of the shape coefficient of 4 to 16%, and a number variation coefficient in the toner number particle size distribution of 8 to 27 percent, and charge generation material used in the photoreceptor contains a mixture compound represented by Formula 1 in which n has a range of distribution and (x+y) is not more than 99% when x represents the ratio of a component having the largest content and y represents the ratio of a component having the second content, X-(CTM-group)n-Y  Formula (1): CTM-group is a charge transfer group; X and Y are each a hydrogen atom, a halogen atom or a mono-valent organic group; and n is an integer of from 0 to 10.

摘要翻译： 公开了一种电照相成像方法，其中调色剂具有形状系数为1.2至1.6的调色剂颗粒的数量比至少为65％，形状系数的变异系数为4至16％，数字变异系数 调色剂数粒径分布为8〜27％，感光体中使用的电荷产生材料含有式1表示的混合物，其中n具有分布范围，（x + y）不大于99％，当x 表示具有最大含量的成分的比率，y表示具有第二含量的成分的比率<βin-line-formula description =“In-line Formulas”end =“lead”→> X-（CTM- （1）式中：<？in-line-formula description =“In-line Formulas”end =“tail”？> CTM-group是一个电荷转移组; X和Y各自为氢原子，卤素原子或一价有机基团; n为0〜10的整数。

公开(公告)号：US6143452A

公开(公告)日：2000-11-07

申请号：US395829

申请日：1999-09-14

申请人： Tomoo Sakimura ,  Akihiko Itami ,  Kazumasa Watanabe ,  Shingo Fujimoto ,  Toyoko Shibata ,  Tomoko Sakimura

发明人： Tomoo Sakimura ,  Akihiko Itami ,  Kazumasa Watanabe ,  Shingo Fujimoto ,  Toyoko Shibata ,  Tomoko Sakimura

IPC分类号： G03G5/047 ,  G03G5/07 ,  G03G5/147

CPC分类号： G03G5/047 ,  G03G5/078 ,  G03G5/14773

摘要： An electrophotographic photoreceptor characterized in comprising a resin layer containing a hardenable siloxane-based resin having a partial structure described below: ##STR1## wherein X represents a charge transportability providing group, which is a group bonding to Y in the formula via a carbon atom constituting said providing group, and Y represents at least a bivalent atom or group, excluding adjacent bonding atoms.

摘要翻译： 一种电子照相感光体，其特征在于包括含有下述部分结构的可硬化硅氧烷类树脂的树脂层：其中X表示电荷传输性提供基团，其是通过构成所述提供基团的碳原子与式中的Y键合的基团 ，Y除了相邻的键合原子以外的至少2价的原子或基团。

公开(公告)号：US20050164105A1

公开(公告)日：2005-07-28

申请号：US11040448

申请日：2005-01-21

申请人： Toyoko Shibata ,  Masao Asano ,  Hiroshi Yamazaki ,  Tomoko Sakimura

发明人： Toyoko Shibata ,  Masao Asano ,  Hiroshi Yamazaki ,  Tomoko Sakimura

IPC分类号： G03G5/06 ,  G03G5/14

CPC分类号： G03G5/0614 ,  G03G5/0666 ,  G03G5/0668 ,  G03G5/067 ,  G03G5/0672 ,  G03G5/0674

摘要： An electrophotographic photoreceptor comprising a support, an interlayer containing inorganic particle and a photosensitive layer is disclosed. The photosensitive layer contains a mixture of compounds represented by Formula (1) having different n and (Rp+Rs) is not more than 99%, wherein Rp is a ratio of a component having the maximum content in the mixture and Rs is a ratio of a component having the content next to the maximum content in percent. X—CTM-group)n—Y  (1)In the formula, CTM-group is a charge transfer group; X and Y are each a hydrogen atom, a halogen atom or a mono-valent organic group; and n is an integer of from 0 to 10, provided that n is an integer of from 1 to 10 when both X and are hydrogen atom or a halogen atom. A processing cartridge comprising the electrophotographic photoreceptor is also disclosed.

摘要翻译： 公开了一种包含载体，含有无机颗粒的中间层和感光层的电子照相感光体。 感光层含有不同于n的式（1）表示的化合物的混合物，（Rp + Rs）不大于99％，其中Rp是混合物中具有最大含量的组分的比例，Rs是比例 具有以百分比表示的最大内容旁边的内容的组件。 <？in-line-formula description =“In-line formula”end =“lead”？> X-CTM-group） -Y（1）<？in-line-formula description = “在线公式”end =“tail”？>在公式中，CTM组是电荷转移组; X和Y各自为氢原子，卤素原子或一价有机基团; n为0〜10的整数，条件是当X均为氢原子或卤素原子时，n为1〜10的整数。 还公开了一种包括电子照相感光体的处理盒。

公开(公告)号：US07241543B2

公开(公告)日：2007-07-10

申请号：US11215328

申请日：2005-08-30

申请人： Tomoko Sakimura ,  Toyoko Shibata

发明人： Tomoko Sakimura ,  Toyoko Shibata

IPC分类号： G03G15/02

CPC分类号： G03G9/0827 ,  G03G5/04 ,  G03G5/043 ,  G03G5/0614 ,  G03G5/0637 ,  G03G5/0638 ,  G03G5/0642 ,  G03G5/0644 ,  G03G5/0666 ,  G03G9/0819

摘要： An electrophotographic image forming method is disclosed in which toner has a number ratio of toner particles having a shape coefficient of 1.2 to 1.6 being at least 65 percent, a variation coefficient of the shape coefficient of 4 to 16%, and a number variation coefficient in the toner number particle size distribution of 8 to 27 percent, and charge generation material used in the photoreceptor contains a mixture compound represented by Formula 1 in which n has a range of distribution and (x+y) is not more than 99% when x represents the ratio of a component having the largest content and y represents the ratio of a component having the second content, X-(CTM-group)n-Y:  Formula (1) CTM-group is a charge transfer group; X and Y are each a hydrogen atom, a halogen atom or a mono-valent organic group; and n is an integer of from 0 to 10.

摘要翻译： 公开了一种电照相成像方法，其中调色剂具有形状系数为1.2至1.6的调色剂颗粒的数量比至少为65％，形状系数的变异系数为4至16％，数字变异系数 调色剂数粒径分布为8〜27％，感光体中使用的电荷产生材料含有式1表示的混合物，其中n具有分布范围，（x + y）不大于99％，当x 表示具有最大含量的成分的比率，y表示具有第二含量的成分的比率<βin-line-formula description =“In-line Formulas”end =“lead”→> X-（CTM- （1）式（1）<？in-line-formula description =“In-line Formulas”end =“tail”？> CTM-group是一个电荷转移组; X和Y各自为氢原子，卤素原子或一价有机基团; n为0〜10的整数。

公开(公告)号：US07175954B2

公开(公告)日：2007-02-13

申请号：US10805962

申请日：2004-03-22

申请人： Tomoko Sakimura ,  Toyoko Shibata

发明人： Tomoko Sakimura ,  Toyoko Shibata

IPC分类号： G03G15/02

CPC分类号： G03G5/0672 ,  G03G5/0614 ,  G03G5/0666 ,  G03G5/076 ,  G03G9/091 ,  G03G9/09783

摘要： An electrophotographic photoreceptor comprising a support and a photosensitive layer is disclosed. The photosensitive layer contains a mixture of compounds represented by Formula (1) having different n and (Rp+Rs) is not more than 99%, wherein Rp is a ratio of a component having the maximum content in the mixture and Rs is a ratio of a component having the content next to the maximum content in percent. X—(CTM-group)n—Y  (1) In the formula, CTM-group is a charge transfer group; X and Y are each a hydrogen atom, a halogen atom or a mono-valent organic group; and n is an integer of from 0 to 10, provided that n is an integer of from 1 to 10 when both X and Y are hydrogen atom or a halogen atom. A processing cartridge comprising the electrophotographic photoreceptor is also disclosed.

摘要翻译： 公开了一种包含支持体和感光层的电子照相感光体。 感光层含有不同于n的式（1）表示的化合物的混合物，（Rp + Rs）不大于99％，其中Rp是混合物中具有最大含量的组分的比例，Rs是比例 具有以百分比表示的最大内容旁边的内容的组件。 <？in-line-formula description =“In-line Formulas”end =“lead”？> X-（CTM-group） -Y（1）<？in-line-formula description =“在线公式”end =“tail”？>在公式中，CTM组是电荷转移组; X和Y各自为氢原子，卤素原子或一价有机基团; n为0〜10的整数，条件是当X和Y均为氢原子或卤素原子时，n为1〜10的整数。 还公开了一种包括电子照相感光体的处理盒。