Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

一种电子照相、感光构件的技术，应用在应用电荷图形的电记录工艺的设备、应用电荷图形的电记录工艺、光学等方向，能够解决图像缺陷、电子照相感光构件带电等问题

Active Publication Date: 2018-09-07
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When leakage occurs, it is impossible to sufficiently charge the electrophotographic photosensitive member, which causes image defects such as black spots, white horizontal streaks, and black horizontal streaks

Method used

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  • Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
  • Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus
  • Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

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Embodiment Construction

[0025] Hereinafter, the present invention will now be described in detail with reference to preferred embodiments thereof.

[0026] As a result of the inventor's research, it was found that it is impossible to form a The conductive layer has a high resistance, so when image formation is repeatedly performed in a low-temperature and low-humidity environment, leakage can easily occur in the electrophotographic photosensitive member.

[0027] In addition, it is known that image exposure light incident on the photosensitive layer of an electrophotographic photosensitive member may be reflected on a lower layer of the photosensitive layer (a layer existing after image exposure light passes through the photosensitive layer) or an interface with a support, and at the same time Image exposure light may be scattered in the lower layer of the photosensitive layer. As a result of research by the present inventors, it was found that in the prior art disclosed in Japanese Patent Applicati...

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PUM

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Abstract

The invention relates to an electrophotographic photosensitive member, a process cartridge, and an electrophotographic apparatus. Disclosed herein is an electrophotographic photosensitive member in which leakage hardly occurs even in the case of using a layer containing metal oxide particles as an electrically conductive layer in the electrophotographic photosensitive member, and which is compatible with definition in output images, the electrophotographic photosensitive member sequentially including: a support, an electrically conductive layer, and a photosensitive layer, the electrically conductive layer containing a binder material and particles represented by General Formula (1). N b2.00O5.00-XNY ......... (1) (In Formula (1), Nb is a niobium atom, O is an oxygen atom, N is a nitrogenatom, and 0.00 < Y < X <= 4.00.)

Description

technical field [0001] The present invention relates to an electrophotographic photosensitive member, a process cartridge and an electrophotographic apparatus having the same. Background technique [0002] Recently, research and development on electrophotographic photosensitive members using organic photoconductive materials (organic electrophotographic photosensitive members) are actively being carried out. [0003] An electrophotographic photosensitive member is basically composed of a support and a photosensitive layer formed on the support. However, in practice, various layers are often provided on the support in order to cover surface defects of the support, protect the photosensitive layer from electrical damage, improve charging and improve charge injection inhibition from the support to the photosensitive layer, etc. between the photosensitive layer. [0004] Among the layers provided between the support and the photosensitive layer, a layer containing metal oxide ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G5/06
CPCG03G5/0618G03G5/144G03G2215/00962G03G2221/183
Inventor 久野纯平加来贤一佐藤太一姉崎隆志藤井淳史
Owner CANON KK
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