Patent ID: 9202414
Filing Date: 2015-12-01
Classification: G09G

Abstract:
1. An organic light-emitting diode pixel circuit, comprising: a signal loading module; an organic light-emitting diode; a drive transistor connected to the signal loading module and configured to provide a current to the organic light-emitting diode; a storage capacitor connected to the drive transistor; and first and second switch modules configured to selectively control current to and from the drive transistor, wherein a first terminal of the signal loading module is connected with a data signal for a current image frame, a second terminal of the signal loading module is connected with a first scan signal, a third terminal of the signal loading module is connected with a gate of the drive transistor and a first terminal of the storage capacitor, a fourth terminal of the signal loading module is connected with a second scan signal, a fifth terminal of the signal loading module is connected with a first voltage signal, and a sixth terminal of the signal loading module is connected with a second terminal of the storage capacitor, a cathode of the organic light-emitting diode, and a first terminal of the first switch module, and wherein an anode of the organic light-emitting diode is configured to receive a high-level signal, a second terminal of the first switch module is connected with a source of the drive transistor, a first terminal of the second switch module is connected with a drain of the drive transistor, and a second terminal of the second switch module is connected with a low-level signal, and wherein the voltage of the first voltage signal is higher than the voltage of the high-level signal.