一种基于PWM方法的6T2C像素电路

2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE) Pub Date : 2021-10-09 DOI:10.1109/REPE52765.2021.9617022

B. Liu, Wenxue Huo, Liang Hu, Quansheng Liu, Ji Li, Juncheng Xiao

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引用次数: 1

摘要

提出了一种新的有源矩阵发光二极管(AMLED)像素电路，突破了PWM驱动与内部补偿相结合难以获得高位显示的限制。在240 Hz的10排面板上，通过附加另一个TFT将PWM的等子场划分为不等子场，将位明显地从3位提高到8位。仿真结果表明，所设计的6T2C电路电流误差率在5.4%以下(@ Δ Vth =±3 V)，表明所设计的6T2C电路适用于提高显示系统的比特率和稳定性。

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A Novel 6T2C Pixel Circuit Based on PWM Method

The letter presents a new active-matrix light-emitting diode (AMLED) pixel circuit which breaks the limit that the PWM driving method combined with internal compensation is difficult to obtain the high-bit display. Based on a 10 row panel of 240 Hz, the bit is obviously improved from 3 bits to 8 bits by means of attaching another TFT to divide the equal sub-field of PWM into unequal one. Moreover, simulation results of the proposed 6T2C circuit demonstrate that the current error ratio is below 5.4% (@ Δ Vth = ± 3 V), indicating that this proposed 6T2C circuit is suitable for improving the bits and stability of display system.

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2021 IEEE 4th International Conference on Renewable Energy and Power Engineering (REPE)

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