Abstract
This paper proposes a new amorphous indium gallium zinc oxide (a‐IGZO) pixel circuit for the simultaneous emission active‐matrix organic light‐emitting diode (AMOLED) displays, which can compensate for the non‐uniform threshold voltage (VTH) and mobility (μ) of the thin‐film transistor (TFT). The Negative VTH are successfully compensated by adopting the source follower method, and then mobility compensation is carried out by additional voltage adjustment. The OLED current error rate is within 9 % against the VTH and mobility variations in the simulation.
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