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1. 发明专利

JP2014164275A Positively-charged single-layered electrophotographic photoreceptor and image forming apparatus 有权
标题翻译：正电荷单层电子照相机和图像形成装置
公开(公告)号：JP2014164275A
公开(公告)日：2014-09-08
申请号：JP2013038025
申请日：2013-02-27
申请人： Kyocera Document Solutions Inc , 京セラドキュメントソリューションズ株式会社
发明人： SHIMIZU TOMOFUMI , TSURUMI HIROKI , YAMAMOTO YOHEI , MIYAMOTO EIICHI
IPC分类号： G03G5/06
CPC分类号： G03G5/0609 , G03G5/0614 , G03G5/0616 , G03G5/0618 , G03G5/0651 , G03G5/0672
摘要： PROBLEM TO BE SOLVED: To provide a positively-charged single-layered electrophotographic photoreceptor capable of suppressing the occurrence of image defects by suppressing a transfer memory; and provide an image forming apparatus including the positively-charged single-layered electrophotographic photoreceptor as an image carrier.SOLUTION: The positively-charged single-layered electrophotographic photoreceptor includes a photosensitive layer containing a charge generating material, a hole transport material, an electron transport material, and a binder resin; and the electron transport material contained in the photosensitive layer includes two or more compounds selected from the group consisting of specific four compounds such as diphenoquinone.
摘要翻译：要解决的问题：提供一种通过抑制转移记忆来抑制图像缺陷的发生的带正电单层电子照相感光体; 并提供一种包括带正电单层电子照相感光体作为图像载体的图像形成装置。解决方案：带正电的单层电子照相感光体包括含有电荷产生材料，空穴传输材料，电子传输材料和粘合剂树脂; 并且包含在感光层中的电子传输材料包括两种或更多种选自特定的四种化合物如二苯醌的化合物。

2. 发明专利

JP2013050559A Positively-charged single-layered electrophotographic photoreceptor, and image forming apparatus 有权
标题翻译：正电荷单层电子照相机和图像形成装置
公开(公告)号：JP2013050559A
公开(公告)日：2013-03-14
申请号：JP2011187986
申请日：2011-08-30
申请人： Kyocera Document Solutions Inc , 京セラドキュメントソリューションズ株式会社
发明人： SHIMIZU TOMOFUMI , MIYAMOTO EIICHI , OKADA HIDEKI , YAMAMOTO YOHEI
IPC分类号： G03G5/06 , G03G5/04
摘要： PROBLEM TO BE SOLVED: To provide a positively-charged single-layered electrophotographic photoreceptor that suppresses generation of image failure by suppressing a transfer memory, in an image forming apparatus including a DC voltage application-type charging unit employing a contact charging method; and an image forming apparatus that includes the positively-charged single-layered electrophotographic photoreceptor as an image carrier.SOLUTION: The positively-charged single-layered electrophotographic photoreceptor has a photosensitive layer formed on a conductive substrate, and contains a pyrene derivative represented by the following general formula (1) used as a hole transport agent. In the general formula (1), each of Rand Ris an alkyl group having 1 to 4 carbon atoms which may be the same or different with each other, and a, b, and c independently is an integer of 0 to 3.
摘要翻译：要解决的问题：提供一种图像形成装置，包括使用接触充电方法的直流电压施加型充电单元的图像形成装置中，通过抑制转印存储来提供抑制图像故障的产生的带正电单层电子照相感光体 ; 以及包括作为图像载体的带正电单层电子照相感光体的图像形成装置。正电荷单层电子照相感光体具有在导电性基板上形成的感光层，并且含有用作空穴传输剂的下述通式（1）所示的芘衍生物。通式（1）中，R 1 和R 2 中的每一个为具有1至4个碳原子的烷基，可以相同或不同，a，b和c独立地为0〜3的整数。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2013029692A Positive charging monolayer electrophotographic photoreceptor and image forming apparatus 有权
标题翻译：积极充电单机电子照相机和图像形成装置
公开(公告)号：JP2013029692A
公开(公告)日：2013-02-07
申请号：JP2011166092
申请日：2011-07-28
申请人： Kyocera Document Solutions Inc , 京セラドキュメントソリューションズ株式会社
发明人： MIYAMOTO EIICHI , YAMAMOTO YOHEI , SHIMIZU TOMOFUMI , OKADA HIDEKI
IPC分类号： G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus that includes a DC voltage application type charging section of a contact charging system and reduces transfer memory.SOLUTION: In a positive charging monolayer electrophotographic photoreceptor, a hole transport agent represented by general formula (1) is used.
摘要翻译：要解决的问题：提供一种图像形成装置，其包括接触充电系统的直流电压施加型充电部分并且减少传送存储器。解决方案：在正电荷单层电子照相感光体中，使用由通式（1）表示的空穴传输剂。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2013050506A Positively-charged single-layered electrophotographic photoreceptor, and image forming apparatus 有权
标题翻译：正电荷单层电子照相机和图像形成装置
公开(公告)号：JP2013050506A
公开(公告)日：2013-03-14
申请号：JP2011187024
申请日：2011-08-30
申请人： Kyocera Document Solutions Inc , 京セラドキュメントソリューションズ株式会社
发明人： OKADA HIDEKI , YAMAMOTO YOHEI , SHIMIZU TOMOFUMI , MIYAMOTO EIICHI
IPC分类号： G03G5/06 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a positively-charged single-layered electrophotographic photoreceptor that suppresses generation of image failure by suppressing a transfer memory, in an image forming apparatus including a DC voltage application-type charging unit employing a contact charging method; and an image forming apparatus that includes the positively-charged single-layered electrophotographic photoreceptor as an image carrier.SOLUTION: The positively-charged single-layered electrophotographic photoreceptor has a photosensitive layer formed on a conductive substrate, and contains a triaryl amine derivative represented by the following general formula (1) used as a hole transport agent.
摘要翻译：要解决的问题：提供一种图像形成装置，包括使用接触充电方法的直流电压施加型充电单元的图像形成装置中，通过抑制转印存储来提供抑制图像故障的产生的带正电单层电子照相感光体 ; 以及包括作为图像载体的带正电单层电子照相感光体的图像形成装置。正电荷单层电子照相感光体具有在导电性基材上形成的感光层，并且含有作为空穴传输剂使用的以下通式（1）表示的三芳基胺衍生物。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2012250963A Triarylamine derivative, electrophotographic photoreceptor, and image formation apparatus 有权
标题翻译：三胺衍生物，电子照相光电子和图像形成装置
公开(公告)号：JP2012250963A
公开(公告)日：2012-12-20
申请号：JP2011126903
申请日：2011-06-07
申请人： Kyocera Document Solutions Inc , 京セラドキュメントソリューションズ株式会社
发明人： OKADA HIDEKI , MIYAMOTO EIICHI , YAMAMOTO YOHEI , SHIMIZU TOMOFUMI
IPC分类号： C07C217/84 , C07C211/54 , C07C217/90 , G03G5/06 , G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide triarylamine derivatives providing an electrophotographic photoreceptor capable of forming high quality images over a long period.SOLUTION: The triarylamine derivatives are of formula (1), wherein Aris e.g. a phenyl group having one or more substituents; Arand Arare identical or different and an (un)substituted phenyl group, (un)substituted fused polycyclic hydrocarbon group and (un)substituted heteroaryl group; and Rand Rare identical or different and an (un)substituted alkyl group, (un)substituted alkoxy group, (un)substituted aralkyl group and (un)substituted aryl group.
摘要翻译：要解决的问题：提供提供能够长时间形成高质量图像的电子照相感光体的三芳基胺衍生物。解决方案：三芳基胺衍生物具有式（1），其中Ar 1。具有一个或多个取代基的苯基; Ar 2 和Ar 3 是相同或不同的，（取代的）取代的苯基，（取代的）取代的稠合多环烃基和（未）取代的杂芳基; 并且R（SP）=“POST”> 1 和R 2 相同或不同，并且（未）取代的烷基，（未）取代的烷氧基，（un）取代的芳烷基和（un）取代的芳基。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2012208232A Positively-charged single-layered electrophotographic photoreceptor, and image forming apparatus 有权
标题翻译：正电荷单层电子照相机和图像形成装置
公开(公告)号：JP2012208232A
公开(公告)日：2012-10-25
申请号：JP2011072579
申请日：2011-03-29
申请人： Kyocera Document Solutions Inc , 京セラドキュメントソリューションズ株式会社
发明人： OKADA HIDEKI , MIYAMOTO EIICHI , SHIMIZU TOMOFUMI , YAMAMOTO YOHEI
IPC分类号： G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide a positively-charged single-layered electrophotographic photoreceptor that suppresses the transfer memory to suppress the occurrence of image failure, and has a large degree of freedom in selection of materials constituting the photosensitive layer in an image forming apparatus that includes a charging unit employing a contact charging method, and uses the positively-charged single-layered electrophotographic photoreceptor; and an image forming apparatus that includes the positively-charged single-layered electrophotographic photoreceptor as an image carrier.SOLUTION: A positively-charged single-layered electrophotographic photoreceptor is obtained by forming a photosensitive layer on a conductive substrate, and used in an image forming apparatus that includes a charging unit employing a contact charging method. The photosensitive layer contains an electron transport agent having the reduction potential of -0.85 to -0.55 V(vs. Ag/Ag).
摘要翻译：要解决的问题：提供抑制转印记忆抑制图像故障发生的带正电的单层电子照相感光体，并且在图像中构成感光层的材料的选择方面具有较大的自由度包括采用接触充电方法的充电单元，并使用带正电的单层电子照相感光体; 以及包括作为图像载体的带正电单层电子照相感光体的图像形成装置。解决方案：通过在导电性基板上形成感光层得到带正电的单层电子照相感光体，并用于包括采用接触充电法的充电单元的图像形成装置中。感光层含有还原电位为-0.85〜-0.55V（相对于Ag / Ag + SP））的电子传输剂。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2013029688A Positive charging monolayer electrophotographic photoreceptor and image forming apparatus 有权
标题翻译：积极充电单机电子照相机和图像形成装置
公开(公告)号：JP2013029688A
公开(公告)日：2013-02-07
申请号：JP2011166039
申请日：2011-07-28
申请人： Kyocera Document Solutions Inc , 京セラドキュメントソリューションズ株式会社
发明人： SHIMIZU TOMOFUMI , MIYAMOTO EIICHI , OKADA HIDEKI , YAMAMOTO YOHEI
IPC分类号： G03G5/06
摘要： PROBLEM TO BE SOLVED: To reduce transfer memory in an image forming apparatus that includes a DC voltage application type charging section of a contact charging system and uses a positive charging monolayer electrophotographic photoreceptor.SOLUTION: In a positive charging monolayer electrophotographic photoreceptor where a photosensitive layer is formed on a conductive substrate, a hole transport agent represented by general formula (1) is used.
摘要翻译：要解决的问题：为了减少包括接触充电系统的直流电压施加型充电部分的图像形成装置中的转印存储器，并使用正电荷单层电子照相感光体。解决方案：在导电性基板上形成感光层的正极性单层电子照相感光体中，使用由通式（1）表示的空穴传输剂。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012246281A Triarylamine derivative, electrophotographic photoreceptor, and image forming apparatus 有权
标题翻译：三叉酚衍生物，电子照相光电子和图像形成装置
公开(公告)号：JP2012246281A
公开(公告)日：2012-12-13
申请号：JP2011121965
申请日：2011-05-31
申请人： Kyocera Document Solutions Inc , 京セラドキュメントソリューションズ株式会社
发明人： OKADA HIDEKI , MIYAMOTO EIICHI , SHIMIZU TOMOFUMI , YAMAMOTO YOHEI
IPC分类号： C07C217/84 , C07C211/54 , C07C211/60 , C07D317/66 , G03G5/06 , G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor excellent in sensitivity characteristics, and a hole transporting agent yielding a positively charging single layer type electrophotographic photoreceptor which suppresses occurrence of transcription memory in an image forming apparatus including a contact charge mode charging section.SOLUTION: A triarylamine derivative represented by general formula (1) is used [in formula (1), Aris an aryl group, or a heterocyclic group with a conjugated double bond, Aris an aryl group, and each of Arand Aroptionally is substituted by one or more groups selected from a group of a 1C-6C alkyl group, a 1C-6C alkoxy group, and a phenoxy group].
摘要翻译：要解决的问题：提供灵敏度特性优异的电子照相感光体和产生带正电的单层型电子照相感光体的空穴传输剂，其抑制在包括接触充电模式充电部分的图像形成装置中的转录记忆的发生。解决方案：通式（1）表示的三芳基胺衍生物用于式（1）中，芳基或具有共轭的杂环基双键，Ar 2 是芳基，Ar 1 和Ar 2 任选被一个或多个选自1C-6C烷基，1C-6C烷氧基和苯氧基的基团取代）。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012234001A Positively-charged electrophotographic photoreceptor and image forming apparatus 有权
标题翻译：正电荷电子照相机和图像形成装置
公开(公告)号：JP2012234001A
公开(公告)日：2012-11-29
申请号：JP2011101518
申请日：2011-04-28
申请人： Kyocera Document Solutions Inc , 京セラドキュメントソリューションズ株式会社
发明人： OKADA HIDEKI , MIYAMOTO EIICHI , SHIMIZU TOMOFUMI , YAMAMOTO YOHEI
IPC分类号： G03G5/06
摘要： PROBLEM TO BE SOLVED: To provide a positively-charged electrophotographic photoreceptor that, when used as an image carrier of an image forming apparatus including a charger employing a DC voltage application contact charging method, forms high-quality images for a long period.SOLUTION: A positively-charged electrophotographic photoreceptor includes a conductive substrate and a single-layered photosensitive layer, and contains a compound represented by the following formula (1) as an electron transport agent contained in the photosensitive layer.

10. 发明专利

JP2012234000A Positively-charged electrophotographic photoreceptor and image forming apparatus 审中-公开
标题翻译：正电荷电子照相机和图像形成装置
公开(公告)号：JP2012234000A
公开(公告)日：2012-11-29
申请号：JP2011101517
申请日：2011-04-28
申请人： Kyocera Document Solutions Inc , 京セラドキュメントソリューションズ株式会社
发明人： OKADA HIDEKI , MIYAMOTO EIICHI , SHIMIZU TOMOFUMI , YAMAMOTO YOHEI
IPC分类号： G03G5/06 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a positively-charged electrophotographic photoreceptor that, when used as an image carrier of an image forming apparatus including a charger employing a DC voltage application contact charging method, forms high-quality images for a long period.SOLUTION: A positively-charged electrophotographic photoreceptor 10 is used as an image carrier included in an image forming apparatus that includes a charger employing a DC voltage application contact charging method, and has a photosensitive layer 14 that contains as a hole transport agent a hydrazone component and a styryl component, each of which contains a triphenylamine compound that is present in separate phenyl groups.
摘要翻译：要解决的问题：提供一种带正电的电子照相感光体，当用作包括使用直流电压施加接触充电方法的充电器的图像形成装置的图像载体时，长时间形成高质量图像。解决方案：带正电的电子照相感光体10被用作包括在包括使用直流电压施加接触充电方法的充电器的图像形成装置中的图像载体，并且具有包含作为空穴传输剂的感光层14 腙组分和苯乙烯基组分，其各自含有以分开的苯基存在的三苯胺化合物。版权所有（C）2013，JPO＆INPIT

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