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A PWM Pixel Circuit with Fast Rising Time by Charge-Sharing Mechanism

This work presents a pixel circuit based on LTPS TFTs and utilizes PWM method to drive micro-LEDs, dramatically reducing rising time to around 4 μs through the charge-sharing mechanism. The VTH variations of TFTs are compensated with the current error rates below 2.53% and emission time shift within 1μs.

The International Display Workshops

Proceedings of the International Display Workshops Volume 31 (IDW '24)

Proceedings of the International Display Workshops Volume 31 (IDW '24)

[AMDp1-4L]A PWM Pixel Circuit with Fast Rising Time by Charge-Sharing Mechanism

Keywords: