Electrophotographic light-sensitive element, process cartridge and electrophotographic device
DE602024004528T2Active Publication Date: 2026-05-06CANON KK
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Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- CANON KK
- Filing Date
- 2024-03-26
- Publication Date
- 2026-05-06
AI Technical Summary
Technical Problem
Existing electrophotographic photosensitive members experience potential fluctuations during mass printing and high-speed printing due to insufficient electron mobility and charge retention, leading to reduced image quality over repeated use.
Method used
Incorporating a specific polymer with structural units in the undercoat layer to improve electron mobility, using polymers with structural units represented by formulas (1) and (2), which help distribute perylene imide and naphthalene imide molecules uniformly, thereby suppressing potential fluctuations.
Benefits of technology
The solution effectively stabilizes image quality by enhancing electron mobility and reducing potential fluctuations, ensuring consistent image density during repeated use.
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