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

Table 1

Simulation parameters of the proposed pixel circuit.

Devices
𝑊/𝐿 (Sw1~Sw4) (𝜇m)	8/2	𝑉TH (DTFT) (V)	1
𝑊/𝐿 (DTFT) (𝜇m)	12/2	𝑉TH_OLED (OLED) (V)	1
𝐶ST (pF)	0.35	𝐶OLED (pF)	1
𝜇 FET (cm^2/Vs)		51.48
Signal line
𝑉SCAN1 (V)	−3 to 15	𝑉 DATA (V)	1 to 4.5
𝑉SCAN2 (V)	−3 to 15	𝑉 DD (V)	12