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LTPS Pixel Circuit Using Additional Capacitor Structure to Prevent Leakage Current for Low-Frame-Rate Displays

研究成果: Conference contribution

1   !!Link opens in a new tab 引文 斯高帕斯(Scopus)

摘要

This paper proposes a pixel circuit combining with a leakage current prevention mechanism for use in wearable AMOLED displays. The pixel circuit consists of nine TFTs and two capacitors to eliminate the variations of the dnving current caused by the threshold voltage (VTH) vanations of the driving TFT. The vanation of the voltage at the gate node of the driving TFT is compensated for by using a capacitor to store a specific voltage to minimize the leakage current of LTPS TFTs. Moreover, the proposed circuit prevents the current from flowing through the OLED during the programming period. The simulation results indicate that the proposed pixel circuit successfully compensates for the vanations of VTH of the dnving TFT and solves the leakage current problem. Therefore, the proposed pixel circuit is appropnate for low-frame-rate display.

原文English
主出版物標題Proceedings of AM-FPD 2021 - 28th International Workshop on Active-Matrix Flatpanel Displays and Devices
主出版物子標題TFT Technologies and FPD Materials
發行者Institute of Electrical and Electronics Engineers Inc.
頁面73-76
頁數4
ISBN(電子)9784991216909
出版狀態Published - 2021
事件28th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials, AM-FPD 2021 - Virtual, Online, Japan
持續時間: 2021 6月 292021 7月 2

出版系列

名字Proceedings of AM-FPD 2021 - 28th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials

Conference

Conference28th International Workshop on Active-Matrix Flatpanel Displays and Devices: TFT Technologies and FPD Materials, AM-FPD 2021
國家/地區Japan
城市Virtual, Online
期間21-06-2921-07-02

All Science Journal Classification (ASJC) codes

  • 電腦繪圖與電腦輔助設計
  • 媒體技術
  • 電子、光磁材料
  • 儀器

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