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1. 发明公开

US20240085818A1 IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE 审中-公开
公开(公告)号：US20240085818A1
公开(公告)日：2024-03-14
申请号：US18155032
申请日：2023-01-16
申请人： FUJIFILM Business Innovation Corp.
发明人： Yoshiteru YAMADA , Tomoya SASAKI , Ryosuke FUJII , Hiroko KOBAYASHI , Yuto OKAZAKI
IPC分类号： G03G15/02 , G03G5/05 , G03G5/06 , G03G15/08 , G03G21/00
CPC分类号： G03G15/0233 , G03G5/0567 , G03G5/0605 , G03G5/061473 , G03G15/0806 , G03G21/0011 , G03G2215/00518
摘要： An image forming apparatus includes an electrophotographic photoreceptor that has a photosensitive layer constituting a surface of the electrophotographic photoreceptor, a charging device that charges the surface of the electrophotographic photoreceptor, an electrostatic charge image forming device that forms an electrostatic charge image on the charged surface of the electrophotographic photoreceptor, a developing device that accommodates a developer containing a toner which contains toner particles and an external additive, and develops the electrostatic charge image formed on the surface of the electrophotographic photoreceptor by the developer as a toner image, a transfer device that transfers the toner image formed on the surface of the electrophotographic photoreceptor to a surface of a recording medium, and a cleaning device that includes a cleaning blade coming into contact with the surface of the electrophotographic photoreceptor and cleaning at least residual toner particles on the surface of the electrophotographic photoreceptor

2. 发明授权

US11892780B1 Image forming apparatus and process cartridge 有权
公开(公告)号：US11892780B1
公开(公告)日：2024-02-06
申请号：US18155032
申请日：2023-01-16
申请人： FUJIFILM Business Innovation Corp.
发明人： Yoshiteru Yamada , Tomoya Sasaki , Ryosuke Fujii , Hiroko Kobayashi , Yuto Okazaki
IPC分类号： G03G5/05 , G03G15/00 , G03G21/00 , G03G15/02 , G03G15/08 , G03G5/06
CPC分类号： G03G15/0233 , G03G5/0567 , G03G5/0605 , G03G5/061473 , G03G15/0806 , G03G15/752 , G03G21/0011 , G03G2215/00518
摘要： An image forming apparatus includes an electrophotographic photoreceptor that has a photosensitive layer constituting a surface of the electrophotographic photoreceptor, a charging device that charges the surface of the electrophotographic photoreceptor, an electrostatic charge image forming device that forms an electrostatic charge image on the charged surface of the electrophotographic photoreceptor, a developing device that accommodates a developer containing a toner which contains toner particles and an external additive, and develops the electrostatic charge image formed on the surface of the electrophotographic photoreceptor by the developer as a toner image, a transfer device that transfers the toner image formed on the surface of the electrophotographic photoreceptor to a surface of a recording medium, and a cleaning device that includes a cleaning blade coming into contact with the surface of the electrophotographic photoreceptor and cleaning at least residual toner particles on the surface of the electrophotographic photoreceptor.

3. 发明授权

US10078277B2 Electrophotographic photosensitive member 有权
公开(公告)号：US10078277B2
公开(公告)日：2018-09-18
申请号：US15827830
申请日：2017-11-30
申请人： KYOCERA Document Solutions Inc.
发明人： Hideki Okada
IPC分类号： G03G5/06 , G03G5/043 , G03G5/047 , G03G5/05 , C07C211/58 , C07C217/84
CPC分类号： G03G5/065 , C07C211/58 , C07C217/84 , G03G5/043 , G03G5/047 , G03G5/0564 , G03G5/0567 , G03G5/0592 , G03G5/0609 , G03G5/0614 , G03G5/0618 , G03G5/0633 , G03G5/0638 , G03G5/0646 , G03G5/0696
摘要： An electrophotographic photosensitive member includes a conductive substrate and a photosensitive layer containing a charge generating material, a hole transport material, a quinone derivative, and a binder resin. The quinone derivative is represented by general formula (1) or (2), where R1, R2, R3, R4, and R5 each represent, independently of one another, a hydrogen atom, an alkyl group having a carbon number of at least 1 and no greater than 12, an aryl group that has a carbon number of at least 6 and no greater than 14 and that may have an alkyl group having a carbon number of at least 1 and no greater than 6, an aralkyl group having a carbon number of at least 7 and no greater than 12, or a cycloalkyl group having a carbon number of at least 3 and no greater than 10. Z represents an oxygen atom or a sulfur atom.

4. 发明授权

US09599917B2 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus 有权
公开(公告)号：US09599917B2
公开(公告)日：2017-03-21
申请号：US14971156
申请日：2015-12-16
申请人： CANON KABUSHIKI KAISHA
发明人： Atsushi Okuda , Nobuhiro Nakamura , Kazunori Noguchi , Akihiro Maruyama , Atsushi Fujii , Yuka Ishiduka , Yuki Yamamoto , Kazuko Sakuma , Tatsuya Ikezue
IPC分类号： G03G5/14 , G03G5/05
CPC分类号： G03G5/144 , G03G5/0567 , G03G5/142
摘要： An electrophotographic photosensitive member that abuts with a charging member and/or a developer carrying member with an abutting member interposed therebetween, wherein the electrophotographic photosensitive member has a first portion and a second portion abutting with the abutting member along the longitudinal direction thereof, the electrophotographic photosensitive member has a support, a charge generation layer containing a charge generating material and a polyacetal resin, and a surface layer in this order, the electrophotographic photosensitive member has, in the first portion, an undercoat layer containing a polymerized product of a composition including an electron transporting material and a cross-linking agent, the layer being adjacent to a surface of the charge generation layer, facing the support, and the electrophotographic photosensitive member has, in the second portion, an intermediate layer containing a metal oxide particle and a phenol resin, the layer being between and adjacent to the support and the charge generation layer.

5. 发明申请

US20160187794A1 ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS 有权
标题翻译：电子感光元件，工艺盒和电子照相设备
公开(公告)号：US20160187794A1
公开(公告)日：2016-06-30
申请号：US14971156
申请日：2015-12-16
申请人： CANON KABUSHIKI KAISHA
发明人： Atsushi Okuda , Nobuhiro Nakamura , Kazunori Noguchi , Akihiro Maruyama , Atsushi Fujii , Yuka Ishiduka , Yuki Yamamoto , Kazuko Sakuma , Tatsuya Ikezue
IPC分类号： G03G15/00
CPC分类号： G03G5/144 , G03G5/0567 , G03G5/142
摘要： An electrophotographic photosensitive member that abuts with a charging member and/or a developer carrying member with an abutting member interposed therebetween, wherein the electrophotographic photosensitive member has a first portion and a second portion abutting with the abutting member along the longitudinal direction thereof, the electrophotographic photosensitive member has a support, a charge generation layer containing a charge generating material and a polyacetal resin, and a surface layer in this order, the electrophotographic photosensitive member has, in the first portion, an undercoat layer containing a polymerized product of a composition including an electron transporting material and a cross-linking agent, the layer being adjacent to a surface of the charge generation layer, facing the support, and the electrophotographic photosensitive member has, in the second portion, an intermediate layer containing a metal oxide particle and a phenol resin, the layer being between and adjacent to the support and the charge generation layer.
摘要翻译：一种电子照相感光构件，其与充电构件和/或显影剂承载构件抵接，其间具有邻接构件，其中电子照相感光构件具有第一部分和第二部分，其沿着其纵向邻接抵接构件，电子照相感光构件具有支撑体，含有电荷产生材料和聚缩醛树脂的电荷产生层，并且依次具有表面层，电子照相感光构件在第一部分中具有底涂层，该底涂层含有包含电子传输材料和交联剂，所述层与电荷产生层的表面相邻，面对载体，并且电子照相感光构件在第二部分中具有含有金属氧化物颗粒和酚醛树脂，层之间并且与载体和电荷产生层相邻。

6. 发明授权

US08790853B2 Charge generating composition 有权
标题翻译：电荷产生组成
公开(公告)号：US08790853B2
公开(公告)日：2014-07-29
申请号：US11364228
申请日：2006-03-01
申请人： Jin Wu , John J. Wilbert , Marc J. Livecchi , Liang-bih Lin
发明人： Jin Wu , John J. Wilbert , Marc J. Livecchi , Liang-bih Lin
IPC分类号： G03G5/00
CPC分类号： G03G5/0542 , G03G5/0546 , G03G5/0567
摘要： The present disclosure is directed to charge generating compositions and methods of making the charge generating compositions. The composition may comprise one or more polymers comprising styrene units and allyl alcohol units, and one or more photoconductive particles. Electrophotographic devices employing the compositions, including methods of making the devices, are also disclosed.
摘要翻译：本公开涉及电荷产生组合物和制备电荷产生组合物的方法。组合物可以包含一种或多种包含苯乙烯单元和烯丙醇单元的聚合物，以及一种或多种光电导颗粒。还公开了使用该组合物的电子照相装置，包括制备该装置的方法。

7. 发明授权

US08679709B2 Electrophotographic photoreceptor, process cartridge, image forming apparatus, and film forming coating solution 有权
标题翻译：电子照相感光体，处理盒，成像装置和成膜涂层溶液
公开(公告)号：US08679709B2
公开(公告)日：2014-03-25
申请号：US12049718
申请日：2008-03-17
申请人： Katsumi Nukada , Wataru Yamada , Masahiro Iwasaki , Kazuhiro Koseki
发明人： Katsumi Nukada , Wataru Yamada , Masahiro Iwasaki , Kazuhiro Koseki
IPC分类号： G03G5/047 , G03G5/147
CPC分类号： G03G5/14791 , G03G5/0567 , G03G5/0575 , G03G5/0614 , G03G5/0616 , G03G5/0668 , G03G5/0672 , G03G5/076 , G03G5/1476 , G03G5/14769 , G03G2215/00957
摘要： According to the invention, there is provided an electrophotographic photoreceptor comprising a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate, an outermost layer of the photosensitive layer containing a crosslinked product composed of a guanamine compound and at least one charge transporting material having at least one substituent selected from the group consisting of —OH, —OCH3, —NH2, —SH, and —COOH.
摘要翻译：根据本发明，提供了一种电子照相感光体，其包括导电基底和设置在导电基底表面上的光敏层，感光层的最外层含有由胍胺化合物组成的交联产物和至少一种电荷输送具有至少一个选自-OH，-OCH 3，-NH 2，-SH和-COOH的取代基的材料。

8. 发明授权

US08197997B2 Electrophotographic photoconductor, production method thereof, image forming method and image forming apparatus using photoconductor, and process cartridge 有权
标题翻译：电子照相感光体及其制造方法，成像方法以及使用感光体的成像装置和处理盒
公开(公告)号：US08197997B2
公开(公告)日：2012-06-12
申请号：US12281230
申请日：2007-02-27
申请人： Yoshiki Yanagawa , Yoshiaki Kawasaki , Tetsuro Suzuki
发明人： Yoshiki Yanagawa , Yoshiaki Kawasaki , Tetsuro Suzuki
IPC分类号： G03G17/06
CPC分类号： G03G5/14791 , G03G5/0546 , G03G5/0567 , G03G5/0592 , G03G5/14734 , G03G5/1476
摘要： To provide an electrophotographic photoconductor that comprises a support and a cross-linked layer formed over the support, wherein the cross-linked layer comprises at least light curable of radically polymerizable compound, the difference of maximum value of the post-exposure electrical potential and minimum value of the post-exposure electrical potential when writing is conducted under the condition that image static power is 0.53 mW, exposure energy is 4.0 erg/cm2 for the electrophotographic photoconductor is within 30V.
摘要翻译：为了提供一种电子照相感光体，其包括在载体上形成的载体和交联层，其中交联层至少包含可自由基聚合的化合物的可光固化的，曝光后电位的最大值与最小值之差在图像静电功率为0.53mW的条件下进行写入时的曝光后电位值，电子照相感光体的曝光能量为4.0erg / cm2，为30V以内。

9. 发明授权

US08105739B2 Electrophotographic photoreceptor, process cartridge, and image forming apparatus 有权
标题翻译：电子照相感光体，处理盒和成像设备
公开(公告)号：US08105739B2
公开(公告)日：2012-01-31
申请号：US12053996
申请日：2008-03-24
申请人： Wataru Yamada , Katsumi Nukada , Yukiko Furushiro
发明人： Wataru Yamada , Katsumi Nukada , Yukiko Furushiro
IPC分类号： G03G5/00
CPC分类号： G03G5/0614 , G03G5/0542 , G03G5/0567 , G03G5/0696
摘要： An electrophotographic photoreceptor includes a conductive support and a photosensitive layer. The photosensitive layer is disposed on the conductive support, and includes a layer that includes, in the same layer, at least a charge generating material and a compound having a triple bond and a hydroxy group.
摘要翻译：电子照相感光体包括导电性支持体和感光层。感光层设置在导电支撑体上，并且包括在同一层中至少包含电荷产生材料和具有三键和羟基的化合物的层。

10. 发明申请

US20110300475A1 Electrophotographic Photoconductor and Image-Forming Apparatus 审中-公开
标题翻译：电子照相感光体和成像装置
公开(公告)号：US20110300475A1
公开(公告)日：2011-12-08
申请号：US13153123
申请日：2011-06-03
申请人： Kuboshima Daisuke , Shishido Makoto , Yamamoto Yohei , Shimizu Tomofumi , Miyamoto Eiichi
发明人： Kuboshima Daisuke , Shishido Makoto , Yamamoto Yohei , Shimizu Tomofumi , Miyamoto Eiichi
IPC分类号： G03G15/00
CPC分类号： G03G5/056 , G03G5/0567 , G03G5/0596
摘要： An electrophotographic photoconductor includes a photosensitive layer on a conductive base, in which 1) the photosensitive layer includes a charge-generating layer including a charge-generating material, and a charge-transport layer including a charge-transport material and a binder resin, the charge-generating layer and the charge-transport layer being stacked, in that order, on the conductive base, and the charge-transport layer having a yield strain of about 5%-25%, or 2) the photosensitive layer includes a charge-generating material, a charge-transport material, and a binder resin in the same layer and has a yield strain of about 5%-25%, corresponding to the yield strain measured using a 10 mm×30 mm rectangular, sample having a thickness of 30 μm with both 10-mm sides held at an initial load of 1 N, a strain rate of 0.5 %/min, and a temperature of 30°C., in which the electrophotographic photoconductor is used as an image-bearing member.
摘要翻译：电子照相感光体包括导电基底上的感光层，其中1）感光层包括含电荷产生材料的电荷产生层和包含电荷传输材料和粘合剂树脂的电荷传输层，电荷产生层和电荷传输层按顺序堆叠在导电性基底上，电荷传输层的屈服应变为约5％-25％，或2）感光层包括电荷 - 产生材料，电荷传输材料和粘合剂树脂，并且具有约5％-25％的屈服应变，对应于使用10mm×30mm矩形样品测量的屈服应变，其厚度为 30微米，两个10毫米面的初始载荷保持在1N，应变速率为0.5％/分钟，温度为30℃，其中电子照相感光体用作图像承载部件。

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