Research Article

Improvement in Brightness Uniformity by Compensating for the Threshold Voltages of Both the Driving Thin-Film Transistor and the Organic Light-Emitting Diode for Active-Matrix Organic Light-Emitting Diode Displays

Figure 2

(a) Schematic diagram of the proposed pixel circuit and (b) its control-signal timing diagram.
604286.fig.002a
(a)
604286.fig.002b
(b)