公开(公告)号：US20070189790A1

公开(公告)日：2007-08-16

申请号：US11510570

申请日：2006-08-28

申请人： Hiroyuki Miura ,  Minoru Rokutan ,  Takanori Suga ,  Yukiko Oda

发明人： Hiroyuki Miura ,  Minoru Rokutan ,  Takanori Suga ,  Yukiko Oda

IPC分类号： G03G15/02

CPC分类号： G03G15/0233

摘要： The invention provides a charging device including a charging roll and a voltage application unit which is capable of applying to the charging roll a voltage in which an alternating current voltage is superimposed on a direct current voltage, the alternating current (Iac) which flows through the charging roll satisfying the following Equation (1), the charging roll satisfying the following conditions (a) to (c), and the charging roll contacting an image supporter to charge the image supporter: Iac/I(inflection)≦1.2   Equation (1) (in the Equation (1), I(inflection) represents the flexion point of lac)(a) the fluctuation of the outside diameter is 0.1 mm or less(b) resistance (common logarithm) is 9.0 log·Ω or less(c) resistance variation (common logarithm) is 0.5 log·Ω or less.

摘要翻译： 本发明提供了一种充电装置，包括充电辊和电压施加单元，其能够向充电辊施加电流，其中交流电流叠加在直流电压上，交流电流（Iac）流过 充电辊满足以下等式（1），充电辊满足以下条件（a）至（c），充电辊与图像支持者接触以对图像支持者充电：<？in-line-formula description =“In 线性公式“end =”lead“？> Iac / I（拐点）<= 1.2公式（1）<？in-line-formula description =”In-line Formulas“end =”tail“？> （1），I（拐点）表示lac的屈曲点）（a）外径的波动为0.1mm以下（b）电阻（通常对数）为9.0log.Omega以下（c）电阻变化（ 常用对数）为0.5log.Omega以下。

公开(公告)号：US20100330472A1

公开(公告)日：2010-12-30

申请号：US12623916

申请日：2009-11-23

申请人： Hirofumi NAKAMURA ,  Keiko MATSUKI ,  Shingo HIRAHARA ,  Takanori SUGA ,  Daisuke HARUYAMA ,  Hirokazu SAKASHITA ,  Masahiro IWASAKI ,  Takayuki YAMASHITA ,  Mitsuhide NAKAMURA

发明人： Hirofumi NAKAMURA ,  Keiko MATSUKI ,  Shingo HIRAHARA ,  Takanori SUGA ,  Daisuke HARUYAMA ,  Hirokazu SAKASHITA ,  Masahiro IWASAKI ,  Takayuki YAMASHITA ,  Mitsuhide NAKAMURA

IPC分类号： G03G15/00 ,  G03G5/04 ,  G03G5/047

CPC分类号： G03G5/144 ,  G03G5/0542 ,  G03G5/0564 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/0696 ,  G03G5/1476 ,  G03G5/14769

摘要： There is provided an electrophotographic photoreceptor including a conductive substrate; an intermediate layer; a photosensitive layer; and a surface layer, in this order, the surface layer including two or more charge transporting materials each including a reactive substituent and respectively having mutually different ionization potentials, in an amount of 90% by weight or more relative to the total solid content of the surface layer, and the content ratio X of each of the two or more charge transporting materials satisfying the following Formula (1). X(n) represents a content ratio (weight %) of a charge transporting material that has the nth highest ionization potential among the two or more charge transporting materials; X(n−1) represents a content ratio (weight %) of a charge transporting material that has the (n−1)th highest ionization potential among the two or more charge transporting materials; and n is an integer of two or more and represents a variable equal to or lower than the number of charge transporting materials contained in the surface layer. X(n−1)≧X(n)  Formula (1)

摘要翻译： 提供一种电子照相感光体，包括导电性基材; 中间层 感光层; 以及表面层，依次为包含两个或更多个电荷输送材料的表面层，每个电荷输送材料各自包含反应性取代基并且分别具有相互不同的电离电位，相对于该固体成分的总固体含量为90重量％以上 表面层，以及满足下述式（1）的两种以上电荷输送材料的含有比率X。 X（n）表示两种以上电荷输送材料中具有第n高电离电位的电荷输送材料的含量比（重量％）。 X（n-1）表示两种以上电荷输送材料中具有第（n-1）个最高电离电位的电荷输送材料的含量比（重量％）。 n为2以上的整数，表示包含在表层中的电荷输送材料的数量以下的变量。 X（n-1）≥X（n）式（1）

公开(公告)号：US08685600B2

公开(公告)日：2014-04-01

申请号：US12623916

申请日：2009-11-23

申请人： Hirofumi Nakamura ,  Keiko Matsuki ,  Shingo Hirahara ,  Takanori Suga ,  Daisuke Haruyama ,  Hirokazu Sakashita ,  Masahiro Iwasaki ,  Takayuki Yamashita ,  Mitsuhide Nakamura

发明人： Hirofumi Nakamura ,  Keiko Matsuki ,  Shingo Hirahara ,  Takanori Suga ,  Daisuke Haruyama ,  Hirokazu Sakashita ,  Masahiro Iwasaki ,  Takayuki Yamashita ,  Mitsuhide Nakamura

IPC分类号： G03G15/04 ,  G03G15/00

CPC分类号： G03G5/144 ,  G03G5/0542 ,  G03G5/0564 ,  G03G5/0592 ,  G03G5/0614 ,  G03G5/0696 ,  G03G5/1476 ,  G03G5/14769

摘要： There is provided an electrophotographic photoreceptor including a conductive substrate; an intermediate layer; a photosensitive layer; and a surface layer, in this order, the surface layer including two or more charge transporting materials each including a reactive substituent and respectively having mutually different ionization potentials, in an amount of 90% by weight or more relative to the total solid content of the surface layer, and the content ratio X of each of the two or more charge transporting materials satisfying the following Formula (1). X(n) represents a content ratio (weight %) of a charge transporting material that has the nth highest ionization potential among the two or more charge transporting materials; X(n−1) represents a content ratio (weight %) of a charge transporting material that has the (n−1)th highest ionization potential among the two or more charge transporting materials; and n is an integer of two or more and represents a variable equal to or lower than the number of charge transporting materials contained in the surface layer. X(n−1)≧X(n)  Formula (1).

摘要翻译： 提供一种电子照相感光体，包括导电性基材; 中间层 感光层; 以及表面层，依次为包含两个或更多个电荷输送材料的表面层，每个电荷输送材料各自包含反应性取代基并且分别具有相互不同的电离电位，相对于该固体成分的总固体含量为90重量％以上 表面层，以及满足下述式（1）的两种以上电荷输送材料的含有比率X。 X（n）表示两种以上电荷输送材料中具有第n高电离电位的电荷输送材料的含量比（重量％）。 X（n-1）表示两种以上电荷输送材料中具有第（n-1）个最高电离电位的电荷输送材料的含量比（重量％）。 n为2以上的整数，表示包含在表层中的电荷输送材料的数量以下的变量。 X（n-1）≥X（n）式（1）。

公开(公告)号：US07496318B2

公开(公告)日：2009-02-24

申请号：US11510570

申请日：2006-08-28

申请人： Hiroyuki Miura ,  Minoru Rokutan ,  Takanori Suga ,  Yukiko Oda

发明人： Hiroyuki Miura ,  Minoru Rokutan ,  Takanori Suga ,  Yukiko Oda

IPC分类号： G03G15/02

CPC分类号： G03G15/0233

摘要： The invention provides a charging device including a charging roll and a voltage application unit which is capable of applying to the charging roll a voltage in which an alternating current voltage is superimposed on a direct current voltage, the alternating current (Iac) which flows through the charging roll satisfying the following Equation (1), the charging roll satisfying the following conditions (a) to (c), and the charging roll contacting an image supporter to charge the image supporter: Iac/I(inflection)≦1.2  Equation (1) (in the Equation (1), I (inflection) represents the flexion point of lac) (a) the fluctuation of the outside diameter is 0.1 mm or less (b) resistance (common logarithm) is 9.0 log·Ω or less (c) resistance variation (common logarithm) is 0.5 log·Ω or less.

摘要翻译： 本发明提供了一种充电装置，包括充电辊和电压施加单元，其能够向充电辊施加电流，其中交流电流叠加在直流电压上，交流电流（Iac）流过 充电辊满足以下等式（1），充电辊满足以下条件（a）至（c），充电辊与图像支持者接触以对图像支持者充电：<？in-line-formula description =“In 线性公式“end =”lead“？> Iac / I（拐点）<= 1.2公式（1）<？in-line-formula description =”In-line Formulas“end =”tail“？> （1），I（拐点）表示lac的屈曲点）（a）外径的波动为0.1mm以下（b）电阻（通常对数）为9.0log.Omega以下（c）电阻变化（ 常用对数）为0.5log.Omega以下。