Display device with bidirectional synchronization for touch and electromagnetic sensing, control method thereof, and electronic device

A display device control method, applied to a display device, wherein the display device comprises a touch control circuit, a touch timing control circuit, an electromagnetic film circuit, and an electromagnetic film timing control circuit, and the method comprises:

• controlling the touch timing control circuit to output a first timing control signal, the first timing control signal being configured to control a working time sequence of the touch control circuit;
• controlling the electromagnetic film timing control circuit to output a second timing control signal, the second timing control signal being configured to control a working time sequence of the electromagnetic film circuit;
• controlling the touch timing control circuit to output a first synchronization signal to the electromagnetic film timing control circuit, the first synchronization signal being configured to synchronize the working time sequence of the touch control circuit to the electromagnetic film timing control circuit;
• and controlling the electromagnetic film timing control circuit to output a second synchronization signal to the touch timing control circuit, the second synchronization signal being configured to synchronize the working time sequence of the electromagnetic film circuit, so that a power-on timing of the first timing control signal is staggered with a power-on timing of the second timing control signal;
• wherein the first synchronization signal is configured to indicate a power-on timing and a power-off timing of the first timing control signal, or is configured to indicate a transition between the power-on timing and the power-off timing of the first timing control signal;
• and the second synchronization signal is configured to indicate a power-on timing and a power-off timing of the second timing control signal, or is configured to indicate a transition between the power-on timing and the power-off timing of the second timing control signal.

An electronic device, comprising a display device, wherein the display device comprises a touch control circuit, a touch timing control circuit, an electromagnetic film circuit, and an electromagnetic film timing control circuit;

• the touch timing control circuit is configured to output a first timing control signal, the first timing control signal is configured to control a working time sequence of the touch control circuit;
• the electromagnetic film timing control circuit is configured to output a second timing control signal, the second timing control signal is configured to control a working time sequence of the electromagnetic film circuit;
• the touch timing control circuit is further configured to output a first synchronization signal to the electromagnetic film timing control circuit, the first synchronization signal is configured to synchronize the working time sequence of the touch control circuit to the electromagnetic film timing control circuit;
• and the electromagnetic film timing control circuit is further configured to output a second synchronization signal to the touch timing control circuit, the second synchronization signal is configured to synchronize the working time sequence of the electromagnetic film circuit, so that a power-on timing of the first timing control signal is staggered with a power-on timing of the second timing control signal;
• wherein the first synchronization signal is configured to indicate a power-on timing and a power-off timing of the first timing control signal, or is configured to indicate a transition between the power-on timing and the power-off timing of the first timing control signal;
• and the second synchronization signal is configured to indicate a power-on timing and a power-off timing of the second timing control signal, or is configured to indicate a transition between the power-on timing and the power-off timing of the second timing control signal.