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1. 发明申请

US20090208860A1 ORGANIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS 有权
标题翻译：有机光电子和图像形成装置
公开(公告)号：US20090208860A1
公开(公告)日：2009-08-20
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 , G03G15/04
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。

2. 发明申请

US20090104551A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING METHOD AND IMAGE FORMING 审中-公开
标题翻译：电子照相机，图像形成方法和图像形成
公开(公告)号：US20090104551A1
公开(公告)日：2009-04-23
申请号：US12248142
申请日：2008-10-09
申请人： Tomoko SAKIMURA , Toyoko SHIBATA , Tomoo SAKIMURA , Takeshi ISHIDA , Shinichi HAMAGUCHI
发明人： Tomoko SAKIMURA , Toyoko SHIBATA , Tomoo SAKIMURA , Takeshi ISHIDA , Shinichi HAMAGUCHI
IPC分类号： G03G17/04 , G03G15/02
CPC分类号： G03G5/0614 , G03G5/047 , G03G2215/00957
摘要： Disclosed is an electrophotographic photoreceptor comprising on an electrically conductive support, a charge generation layer and a charge transport layer, wherein the charge transport layer comprises a charge transport material represented by formula (1) and exhibits a transmittance at 370 nm of not more than 10% and a transmittance at 405 nm of not less than 70%, and the charge transport layer further comprising a compound represented by formula (2), (3) or (4).
摘要翻译：公开了一种电子照相感光体，其包含导电性载体，电荷产生层和电荷输送层，其中电荷传输层包含由式（1）表示的电荷传输材料，并且在370nm处的透射率不大于10 ％，405nm处的透射率为70％以上，电荷输送层还含有式（2），（3）或（4）表示的化合物。

3. 发明申请

US20110076603A1 ORGANIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE 审中-公开
标题翻译：有机光电器，图像形成装置和工艺盒
公开(公告)号：US20110076603A1
公开(公告)日：2011-03-31
申请号：US12891502
申请日：2010-09-27
申请人： Toyoko SHIBATA , Tomoko SAKIMURA , Shinichi HAMAGUCHI , Masanori YUMITA
发明人： Toyoko SHIBATA , Tomoko SAKIMURA , Shinichi HAMAGUCHI , Masanori YUMITA
IPC分类号： G03G15/00 , G03G21/18
CPC分类号： G03G5/0614 , G03G5/071 , G03G5/14704 , G03G5/1473 , G03G5/14734 , G03G5/14769 , G03G5/14786 , G03G5/14791 , G03G5/14795
摘要： An object of the invention is to provide an image forming apparatus and process cartridge both employing the organic photoreceptor by improving an abrasion resistance of the organic photoreceptor up to the same level as an amorphous silicone photoreceptor, the image blur and image flow problem liable to generate in high temperature and high moisture condition, and to provide an organic photoreceptor capable of obtaining a precise and a high quality dot image by short wavelength laser exposure. Provided is an organic photoreceptor having a conductive substrate, provided thereon at least a photo receiving layer and a protective layer in this order, wherein the protective layer comprises at least a resin layer obtained by a reaction between a chain polymerizable compound having a charge transportable structure represented by Formula (1) and a chain polymerizable compound without having a charge transportable structure.
摘要翻译：本发明的目的是提供一种图像形成装置和处理盒，其通过将有机感光体的耐磨性提高到与非晶硅聚合物感光体相同的水平来使用有机感光体，图像模糊和图像流动问题易于产生在高温高湿条件下，提供能够通过短波长激光曝光获得精确和高质量的点图像的有机感光体。本发明提供一种具有导电性基板的有机感光体，至少在其上设置有光接收层和保护层，其中，保护层至少包含通过具有电荷输送性结构的链式聚合性化合物由式（1）表示的化合物和不具有电荷传输结构的链可聚合化合物。

4. 发明申请

US20090280419A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS 有权
标题翻译：电子照相机和图像形成装置
公开(公告)号：US20090280419A1
公开(公告)日：2009-11-12
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 , G03G15/02
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更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。

5. 发明申请

US20090148784A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMATION METHOD 审中-公开
标题翻译：电子照相机和图像形成方法
公开(公告)号：US20090148784A1
公开(公告)日：2009-06-11
申请号：US12328020
申请日：2008-12-04
申请人： Tomoko SAKIMURA , Toyoko SHIBATA , Shinichi HAMAGUCHI , Masanori YUMITA
发明人： Tomoko SAKIMURA , Toyoko SHIBATA , Shinichi HAMAGUCHI , Masanori YUMITA
IPC分类号： G03G5/06 , G03G15/04 , G03G15/02 , G03G13/00
CPC分类号： G03G5/0605 , G03G5/0603 , 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 16.9°, 18.7° and 20.6°.
摘要翻译：公开了一种电子照相感光体，其在导电性载体上含有含有下式所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（2θ±0.2°）的峰值的CuKαX射线衍射光谱的晶体结构）为16.9°，18.7°和20.6°。

6. 发明申请

US20090011348A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMATION METHOD 有权
标题翻译：电子照相机和图像形成方法
公开(公告)号：US20090011348A1
公开(公告)日：2009-01-08
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： G03G13/04
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，其在导电性载体上含有含有下式所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（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°。

7. 发明申请

US20110287351A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：电子照相机和图像形成装置
公开(公告)号：US20110287351A1
公开(公告)日：2011-11-24
申请号：US13108380
申请日：2011-05-16
申请人： Tomoko SAKIMURA , Toyoko SHIBATA
发明人： Tomoko SAKIMURA , Toyoko SHIBATA
IPC分类号： G03G15/00 , G03G15/04
CPC分类号： G03G5/0696 , G03G5/05 , G03G5/051 , G03G2215/00957
摘要： An electrophotographic photoreceptor having a photosensitive layer on a conductive support, wherein the photosensitive layer comprises a pigment containing an adduct of titanyl phthalocyanine and 2,3-butanediol, and a ratio of an absorbance at a wavelength of 780 nm of the photosensitive layer (referred to as Abs780) divided by an absorbance at a wavelength of 700 nm of the photosensitive layer (referred to as Abs700) is 0.8 to 1.1, the ratio being referred to as Abs780/Abs700, and Abs780 and Abs700 each being calculated from a relative reflectance spectrum of the electrophotographic photoreceptor, wherein the relative reflectance spectrum is determined using an aluminum conductive support using a reflectance spectrum of the aluminum conductive support as a base line.
摘要翻译：一种在导电载体上具有感光层的电子照相感光体，其中感光层包含含有钛酞菁和2,3-丁二醇的加合物的颜料和感光层的波长780nm处的吸光度比（参考以Abs780除以感光层的波长700nm处的吸光度（称为Abs700）为0.8〜1.1，比例称为Abs780 / Abs700，Abs780和Abs700各自由相对反射率电子照相感光体的光谱，其中相对反射光谱使用铝导电支撑体，使用铝导电支撑体的反射光谱作为基线来确定。

8. 发明申请

US20080166645A1 PYRANTHRONE TYPE COMPOUND, ORGANIC PHOTORECEPTOR, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS 审中-公开
标题翻译：吡喃酮类化合物，有机光电子，图像形成方法和图像形成装置
公开(公告)号：US20080166645A1
公开(公告)日：2008-07-10
申请号：US11873032
申请日：2007-10-16
申请人： Toyoko SHIBATA , Tomoko SAKIMURA
发明人： Toyoko SHIBATA , Tomoko SAKIMURA
IPC分类号： G03G13/06 , G03C1/73 , C07C49/617
CPC分类号： C07C49/665 , C07C45/78 , C07C49/697 , C07C49/753 , C07C205/45 , C07C255/56 , C07C2603/54 , G03G5/0605 , G03G5/0609 , G03G15/04054 , G03G15/04072 , G03G2215/0409
摘要： An organic photoreceptor is described. The photosensitive layer contains a pyranthrone compound represented by Formula 1 which has been subjected to purification processing so as to have a mass reduction ratio D400/450 between 400° C. and 450° C. of not more than 2.0% in a thermogravimetric analysis; D400/450={(G400−G450)/Gi}×100 wherein Gi is a mass at 25° C., and G400 and G450 are each mass at 400° C. and 450° C., respectively, wherein R1 through R14 are each a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, a halogen atom, a cyano group or a nitro group. The image forming method using the photoreceptor, and the pyranthrone compound are also disclosed.
摘要翻译：描述有机感光体。感光层含有由式1表示的吡喃酮化合物，其经过净化处理，使得在400℃至450℃之间的质量减少率D 400/450℃不超过超过2.0％的热重分析; <？in-line-formula description =“In-line Formulas”end =“lead”？> D 400/450 = {（G 400> 其中，G = 1，其中G 1，X 2，X 3，是25℃时的质量，G 400和G 450分别是在400℃和450℃下的质量，其中R“ 1个R 14各自为氢原子，烷基，烷氧基，芳基，卤素原子，氰基或硝基。还公开了使用感光体和吡喃酮化合物的成像方法。

9. 发明申请

US20110151364A1 ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS 有权
标题翻译：电子照相机，图像形成方法和图像形成装置
公开(公告)号：US20110151364A1
公开(公告)日：2011-06-23
申请号：US12959964
申请日：2010-12-03
申请人： Masanori YUMITA , Toyoko SHIBATA , Shinichi HAMAGUCHI
发明人： Masanori YUMITA , Toyoko SHIBATA , Shinichi HAMAGUCHI
IPC分类号： G03G15/00
CPC分类号： G03G5/0614 , G03G5/0575 , G03G5/0603 , G03G5/0609 , G03G5/0631 , G03G5/0659
摘要： Provided is an electrophotographic photoreceptor exhibiting not only excellent durability together with high sensitivity but also excellent image reproduction, which is suitable for an image forming method by which imagewise exposure is performed employing a light source having an emission wavelength peak being in the range of 350-500 nm to form a high density electrostatic latent image on a photoreceptor, and also provided are an image forming method employing the electrophotographic photoreceptor, and an image forming apparatus thereof. Also disclosed is an electrophotographic photoreceptor possessing a conductive support and provided thereon, a charge generation layer and a charge transport layer, wherein the charge generation layer possesses a pyranthrone pigment, and the charge transport layer possesses at least one of compounds represented by Formula (1) or Formula (2) described below:
摘要翻译：本发明提供一种电子照相感光体，其不仅具有优异的耐久性以及高灵敏度，而且还具有优异的图像再现性，其适用于使用发光波长峰值在350nm范围内的光源进行成像曝光的成像方法， 500nm以在感光体上形成高密度静电潜像，并且还提供了使用电子照相感光体的图像形成方法及其图像形成装置。还公开了一种电子照相感光体，其上具有导电性支持体，其上设有电荷产生层和电荷输送层，其中电荷产生层具有吡喃酮颜料，电荷输送层具有至少一种式（1）表示的化合物）或式（2）：

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