The present invention provides an
AMOLED pixel
driving circuit and a pixel driving method. The
AMOLED pixel
driving circuit utilizes the 4T2C structure, comprising a first, a second, a third, a fourth thin film transistors (T1, T2, T3, T4), a first, a second
capacitor (C1, C2) and an organic
light emitting diode (
OLED) with introducing a first, a second global signals (Vselx, Vsely) and a reference
voltage (Vref); by providing the reference
voltage (Vref) to the first node (a) via the third
thin film transistor (T3), the
data signal voltage (Vdata) can be simplified to diminish the complexity of the
data signal voltage (Vdata). The process of writing the
data signal voltage (Vdata) into the first
thin film transistor T1, i.e. the driving the
thin film transistor is separated from the reset stage (Reset) and the
threshold voltage detection stage (Vth sensing) with the fourth thin film
transistor (T4). Thus, the reset time and the compensation time can be increased to effectively compensate the
threshold voltage changes of the drive thin film
transistor and the display brightness of the
AMOLED becomes more even to raise the display quality.