Display device and method of driving the same

A display device comprising:

• a display panel including sub-pixels;
• a display panel driver configured to control the display panel;
• a touch panel including a touch sensor including a plurality of touch electrodes and a charger including a plurality of charge electrodes;
• and
• a touch panel driver configured to provide a first charge voltage having a first phase to a first charge electrode among the charge electrodes in a first charge period, provide the first charge voltage to a second charge electrode among the charge electrodes in a second charge period, provide a second charge voltage having a second phase different from the first phase to a third charge electrode among the charge electrodes in the first charge period, and provide the second charge voltage to a fourth charge electrode among the charge electrodes in the second charge period,
• wherein a minimum distance between the second charge electrode and the fourth charge electrode is different from a minimum distance between the first charge electrode and the third charge electrode.

A method of driving a display device, the method comprising:

• providing a first charge voltage having a first phase to N first charge electrodes among charge electrodes in a first charge period;
• providing a second charge voltage having a second phase different from the first phase to a third charge electrode among the charge electrodes in the first charge period;
• providing the first charge voltage to M (M is different from N) second charge electrode among the charge electrodes in a second charge period;
• and
• providing the second charge voltage to a fourth charge electrode among the charge electrodes in the second charge period, where N is a positive integer greater than or equal to 2, and M is a positive integer.

A display device comprising:

• a display panel including sub-pixels;
• a display panel driver configured to control the display panel;
• a touch panel including a touch sensor including a plurality of touch electrodes and a charger including a plurality of charge electrodes;
• and
• a touch panel driver configured to provide a first charge voltage having a first phase to a first charge electrode among the charge electrodes in a first charge period, provide the first charge voltage to a second charge electrode among the charge electrodes in a second charge period, provide a second charge voltage having a second phase different from the first phase to a third charge electrode among the charge electrodes in the first charge period, and provide the second charge voltage to a fourth charge electrode among the charge electrodes in the second charge period,
• wherein the charger comprises:
• a charge area including the charge electrodes;
• a peripheral area disposed adjacent to the charge area;
• and
• a dummy charge electrode disposed in the peripheral area.