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Effect of pulse on performance of InGaZnO thin film transistor
Device Physics and Device Preparation | 更新时间:2024-05-15
    • Effect of pulse on performance of InGaZnO thin film transistor

    • 一项关于超大尺寸IGZO(InGaZnO)产品的研究显示,在高温高湿环境下,该产品容易发生异常显示不良。经研究发现,这是由于集成栅极驱动电路中的关键器件M2的转移特性曲线在评价中发生了严重正移。研究团队通过脉冲实验模拟了M2的实际工作环境,并揭示了造成不良的主要影响因素:在M2器件关闭时,漏极与源极之间的压差VDS过大,导致IGZO膜层内的氧空位VO+迁移,并最终使转移特性曲线发生正移。研究还发现,迁移的氧空位VO+经过加热后可以复原。此外,研究团队在不改变IGZO成膜条件下,通过减小M2器件关闭时的VDS压差,成功将超大尺寸IGZO产品导入,并在高温高湿信赖性评价中未出现AD不良。这一研究为解决超大尺寸IGZO产品在高温高湿环境下的显示不良问题提供了解决方案,为相关领域的研究和应用开辟了新方向。
    • Chinese Journal of Liquid Crystals and Displays   Vol. 39, Issue 4, Pages: 466-471(2024)
    • DOI:10.37188/CJLCD.2024-0042    

      CLC: TN141.9
    • Published:05 April 2024

      Received:31 January 2024

      Revised:11 March 2024

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  • QIU Heyuan, XIE Xin, LI Zongxiang, et al. Effect of pulse on performance of InGaZnO thin film transistor. [J]. Chinese Journal of Liquid Crystals and Displays 39(4):466-471(2024) DOI: 10.37188/CJLCD.2024-0042.

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