公开(公告)号：US20110311907A1

公开(公告)日：2011-12-22

申请号：US13151807

申请日：2011-06-02

申请人： Tomoo SAKIMURA ,  Naoki NOZAKI ,  Shinichi HAMAGUCHI ,  Toshiko Nozaki ,  Hisashi NOZAKI ,  Mayuko MATSUSAKI

发明人： Tomoo SAKIMURA ,  Naoki NOZAKI ,  Shinichi HAMAGUCHI ,  Toshiko Nozaki ,  Hisashi NOZAKI ,  Mayuko MATSUSAKI

IPC分类号： G03G5/00 ,  G03G13/04

CPC分类号： G03G15/0115 ,  G03G5/04 ,  G03G15/751

摘要： Reduced are interferential streaks in a halftone image, which are produced when using a cylindrical photoreceptor conductive substrate having been subjected to tool bit cutting processing, and provided are an electrophotographic photoreceptor capable of obtaining high image quality in response to a light printing field or the like and an image forming method employing the electrophotographic photoreceptor. Disclosed is an electrophotographic photoreceptor possessing a cylindrical substrate having been finished via cutting processing and provided thereon, a photosensitive layer, wherein among peaks other than at a lag of 0 in a correlogram of a substrate surface profile in a direction along a central axis of the substrate, a mean value from a maximum peak in height to a third peak in height is 0.3-0.8, each of the peaks in height corresponding to an autocorrelation coefficient.

摘要翻译： 在使用已经进行了刀头切割处理的圆柱形感光体导电基板时产生的半色调图像中的干涉条纹减小，并且提供了一种能够响应于光打印场等获得高图像质量的电子照相感光体 以及使用电子照相感光体的图像形成方法。 公开了一种电子照相感光体，其具有通过切割处理完成的圆柱形基板，并且在其上提供感光层，其中在沿着沿着中心轴的方向的基板表面轮廓的相对图中的滞后0之间的峰中 底物，从高度的最大峰值到高度的第三峰值的平均值为0.3-0.8，每个高度峰值对应于自相关系数。

公开(公告)号：US20120288300A1

公开(公告)日：2012-11-15

申请号：US13466192

申请日：2012-05-08

申请人： Mayuko MATSUSAKI ,  Tomoo SAKIMURA ,  Shinichi HAMAGUCHI

发明人： Mayuko MATSUSAKI ,  Tomoo SAKIMURA ,  Shinichi HAMAGUCHI

IPC分类号： G03G21/18 ,  G03G15/00 ,  G03G5/043 ,  G03G5/047 ,  B82Y30/00

CPC分类号： G03G5/144 ,  G03G5/0696 ,  G03G2215/00957

摘要： The present invention provides an electrophotographic photoconductor that can improve unevenness in image density and reduce image defects such as fogging and dots. The electrophotographic photoconductor includes a conductive support, an intermediate layer, and a photosensitive layer. The intermediate layer includes metal oxide particles surface-treated with a titanium chelate compound represented by the following formula (1): Ti(OR)n(L)4-n  (1) wherein R at each occurrence independently represents a C1-16 aliphatic hydrocarbon group; L at each occurrence independently represents a ligand derived from a chelating agent selected from the group consisting of β-ketoester represented by the following formula (1a): β-diketone represented by the following formula (1b): and a C3-10 alkylene glycol; n represents an integer of 1 to 3; if n is 2 or more, two Rs may be coupled to each other.

摘要翻译： 本发明提供一种电子照相感光体，其可以改善图像浓度的不均匀性并减少诸如起雾和点的图像缺陷。 电子照相感光体包括导电载体，中间层和感光层。 中间层包括用下式（1）表示的钛螯合化合物表面处理的金属氧化物颗粒：Ti（OR）n（L）4-n（1）其中每次出现的R独立地表示C1-16脂族 烃基; L在每次出现时独立地表示衍生自螯合剂的配体，所述螯合剂选自由下式（1a）表示的＆bgr-酮酯：＆lt;由下式（1b）表示的二酮：和C3-10 亚烷基二醇; n表示1〜3的整数， 如果n为2以上，则可以将两个Rs彼此耦合。

公开(公告)号：US20130052575A1

公开(公告)日：2013-02-28

申请号：US13595315

申请日：2012-08-27

申请人： Shinichi HAMAGUCHI ,  Tomoo SAKIMURA ,  Mayuko MATSUSAKI

发明人： Shinichi HAMAGUCHI ,  Tomoo SAKIMURA ,  Mayuko MATSUSAKI

IPC分类号： G03G15/00 ,  G03G21/18

CPC分类号： G03G5/144 ,  G03G5/142 ,  G03G2215/00957

摘要： The present invention provides an electrophotographic photoconductor including an intermediate layer having sufficient electron transportability and blocking property and capable of suppressing image defects such as fogging and dots. The electrophotographic photoconductor according to the present invention includes a conductive support, a photosensitive layer disposed on the conductive support, and an intermediate layer disposed between the conductive support and the photosensitive layer, wherein the intermediate layer comprises metal oxide particles and a binder resin. The metal oxide particles are surface-treated with an alkoxysilane oligomer represented by the following Formula (1): SinOn-1(OR1)m(OR2)l  Formula (1) wherein R1 and R2 each individually represents a C1-4 alkyl group; n represents an integer of 2 to 20; and m and l each individually represents an integer of 0 or more and satisfies an equation of m+1=2n+2.

摘要翻译： 本发明提供一种电子照相感光体，其包括具有足够的电子传输性和阻挡性的中间层，并且能够抑制诸如起雾和点的图像缺陷。 根据本发明的电子照相感光体包括导电载体，设置在导电载体上的感光层和设置在导电载体和感光层之间的中间层，其中中间层包含金属氧化物颗粒和粘合剂树脂。 金属氧化物粒子用下述式（1）表示的烷氧基硅烷低聚物进行表面处理：SinOn-1（OR1）m（OR2）l式（1）其中R1和R2各自独立地表示C1-4烷基; n表示2〜20的整数， 并且m和l各自独立地表示0以上的整数，并且满足m + 1 = 2n + 2的等式。

公开(公告)号：US20120077116A1

公开(公告)日：2012-03-29

申请号：US13238760

申请日：2011-09-21

申请人： Shinichi HAMAGUCHI ,  Tomoo SAKIMURA ,  Mayuko MATSUSAKI

发明人： Shinichi HAMAGUCHI ,  Tomoo SAKIMURA ,  Mayuko MATSUSAKI

IPC分类号： G03G15/00

CPC分类号： G03G5/10 ,  G03G5/0696 ,  G03G5/102 ,  G03G2215/00957

摘要： An organic photoreceptor comprising a cylindrical support having thereon at least a charge generation layer and a charge transport layer, the cylindrical support having a corrugation processing profile along a central axis direction of the cylindrical support provided on a circumferential surface of the cylindrical support, wherein the corrugation processing profile meets Formula 1: 10 μm≦ΔL,  Formula 1 provided that ΔL represents a maximum value of variation of periods of the corrugation processing profile within an image-forming region of the cylindrical support, and the charge generation layer comprises a gallium phthalocyanine pigment.

摘要翻译： 一种有机感光体，包括至少具有电荷产生层和电荷传输层的圆柱形支撑体，所述圆柱形支撑件沿着设置在圆柱形支撑件的圆周表面上的圆柱形支撑件的中心轴线方向具有波纹加工轮廓，其中， 波纹加工轮廓满足公式1：10μm和nlE;＆amp; Dgr; L，式1，条件是＆Dgr; L表示圆柱形支撑件的图像形成区域内的波纹加工轮廓的周期的变化的最大值，并且电荷产生层 包括镓酞菁颜料。