AMOLED PIXEL UNIT, METHOD FOR DRIVING THE SAME, AND DISPLAY DEVICE

摘要

Provided are an AMOLED pixel unit, a method for driving the same, and a display device. The AMOLED pixel unit includes a compensating unit, a light emitting control unit, a driving transistor, a storage capacitor and an organic light emitting diode, wherein the compensating unit is switched on under the control of a signal on a scan line; the light emitting control unit is switched on under the control of a signal on a light emitting control line; an anode of the organic light emitting diode is connected to a second terminal of the storage capacitor, and a cathode of the organic light emitting diode receives a second power supply signal. Such a circuit can effectively compensate for the drift and the non-uniformity of the threshold voltages of the transistors and the non-uniformity of the voltages of the organic light emitting diodes.

主权项

1. An AMOLED pixel unit comprising a compensating unit, a light emitting control unit, a driving transistor, a storage capacitor and an organic light emitting diode, wherein:
the compensating unit is switched on under a control of a signal on a scan line, transmits a signal on a data line to a gate and a first electrode of the driving transistor, and meanwhile transmits a reference power supply signal to a first terminal of the storage capacitor; the light emitting control unit is switched on under a control of a signal on a light emitting control line, transmits a first power supply signal to the first electrode of the driving transistor, and meanwhile connects the first terminal of the storage capacitor to the gate of the driving transistor to drive the organic light emitting diode to emit light; and an anode of the organic light emitting diode is connected to a second terminal of the storage capacitor, and a cathode of the organic light emitting diode receives a second power supply signal.