Power supply module, display device and related method of switching capacitors

A display device, comprising:

• a screen;
• a source driver, for outputting a plurality of source driving signals to the screen;
• a gate driver, for outputting a plurality of gate driving signals to the screen;
• and
• a power supply module, comprising:
• a source driver power supply circuit, for supplying power to the source driver;
• a gate driver power supply circuit, for supplying power to the gate driver;
• a first capacitor group, comprising:
• at least one first storage capacitor, for storing electric charges for driving the plurality of source driving signals;
• and
• at least one first flying capacitor, for charging the at least one first storage capacitor;
• a second capacitor group, comprising:
• at least one second storage capacitor, for storing electric charges for driving the plurality of gate driving signals;
• and
• at least one second flying capacitor, for charging the at least one second storage capacitor;
• and
• a switch module, for switching the first capacitor group connected with the source driver power supply circuit and not connected with the gate driver power supply circuit to be connected with the gate driver power supply circuit and disconnected from the source driver power supply circuit, in order to allow the electric charges stored in the at least one first storage capacitor to drive the plurality of gate driving signals, or switching the second capacitor group connected with the gate driver power supply circuit and not connected with the source driver power supply circuit to be connected with the source driver power supply circuit and disconnected from the gate driver power supply circuit, in order to allow the electric charges stored in the at least one second storage capacitor to drive the plurality of source driving signals.

A power supply module for a display device, comprising:

• a source driver power supply circuit, for supplying power to a source driver of the display device;
• a gate driver power supply circuit, for supplying power to a gate driver of the display device;
• a first capacitor group, comprising:
• at least one first storage capacitor, for storing electric charges for driving a plurality of source driving signals;
• and
• at least one first flying capacitor, for charging the at least one first storage capacitor;
• a second capacitor group, comprising:
• at least one second storage capacitor, for storing electric charges for driving a plurality of gate driving signals;
• and
• at least one second flying capacitor, for charging the at least one second storage capacitor;
• and
• a switch module, for switching the first capacitor group used for the source driver power supply circuit to be used for the gate driver power supply circuit, in order to allow the electric charges stored in the at least one first storage capacitor to drive the plurality of gate driving signals, or switching the second capacitor group used for the gate driver power supply circuit to be used for the source driver power supply circuit, in order to allow the electric charges stored in the at least one second storage capacitor to drive the plurality of source driving signals, the switch module comprising:
• a plurality of first switch elements, each of which switches two terminals of a first capacitor in the first capacitor group connected with the source driver power supply circuit to be connected with two corresponding terminals in the gate driver power supply circuit;
• and
• a plurality of second switch elements, each of which switches two terminals of a second capacitor in the second capacitor group connected with the gate driver power supply circuit to be connected with two corresponding terminals in the source driver power supply circuit.