System and method for controlling charge pump circuit, and display device

摘要

The present disclosure provides a system and a method for controlling a charge pump circuit, and a display device. The system includes the charge pump circuit configured to output a driving voltage to a gate driver circuit; and a controlling device in communication with the charge pump circuit and a timer and configured to, when a working time of the gate driver circuit is equal to a predefined working time threshold, reset the working time of the gate driver circuit to an initial value, acquire a compensating voltage corresponding to the working time of the gate driver circuit in accordance with a correspondence between the working time and the compensating voltage, output a compensating voltage signal and increase the driving voltage outputted by the charge pump circuit by the compensating voltage.

主权项

1. A system for controlling a charge pump circuit, comprising:
the charge pump circuit configured to output a driving voltage to a gate driver circuit; and a controlling device in communication with the charge pump circuit and configured to, when a working time of the gate driver circuit is equal to a predefined working time threshold, reset the working time of the gate driver circuit to an initial value, acquire a compensating voltage corresponding to the working time of the gate driver circuit in accordance with a correspondence between the working time of the gate driver circuit and the compensating voltage, output a compensating voltage signal and increase the driving voltage outputted by the charge pump circuit by the compensating voltage, wherein the controlling device comprises a charge pump interface circuit configured to output a signal to the charge pump circuit, the controlling device configured to: determine a reference compensating voltage in accordance with the compensating voltage and a duty ratio of an output signal of the charge pump interface circuit, output a reference compensating voltage signal to the charge pump interface circuit, and after the charge pump circuit receives the compensating voltage signal, increase the driving voltage outputted by the charge pump circuit by the compensating voltage.