International Display Workshops General Incorporated Association

[AMDp2-4] A Micro Light-Emitting Diode Pixel Circuit Based on Metal Oxide Thin-Film Transistor with Progressive Emission Using Pulse Width Modulation

*Eun Kyo Jung1、Hwarim Im1、Yong-Sang Kim1 (1.Sungkyunkwan University (Korea))

μLED, a-IGZO TFT, pixel circuit, progressive emission

https://doi.org/10.36463/idw.2022.0242

The pixel circuit was proposed for the μLED displays. The PWM and progressive emission were applied to use tens of μA current and hundreds of us emission time in considering EQE characteristics. The proposed circuit was proved to operate stably in depletion mode of a-IGZO TFT.