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This paper proposes a highly stable amorphous indium‐gallium
zinc‐oxide (a‐IGZO) thin‐film transistor (TFT) pixel circuit for
the active‐matrix organic light‐emitting diode (AMOLED)
displays, which can compensate for the non‐uniform threshold
voltage (VTH) of the TFT at a low gray level. The stable operation
was achieved by minimizing the operation number of the switch
connected to the VTH storage...
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