Touch sensor apparatus, display apparatus including the same and method of driving touch sensor using the same

A display apparatus comprising:

• a display panel comprising a pixel;
• a display panel driver configured to drive the display panel;
• a touch sensor;
• and
• a transistor connected to the touch sensor,
• wherein the transistor comprises:
• a first electrode configured to receive a first touch driving signal;
• a control electrode configured to receive a second touch driving signal;
• and
• a second electrode connected to the touch sensor, and
• wherein a phase of the first touch driving signal is substantially the same as a phase of the second touch driving signal.

A method of driving a touch sensor, the method comprising:

• applying a first touch driving signal to a first electrode of a transistor including a second electrode connected to the touch sensor;
• applying a second touch driving signal to a control electrode of the transistor;
• and
• receiving a sensed voltage of the touch sensor through the transistor,
• wherein a phase of the first touch driving signal is substantially the same as a phase of the second touch driving signal.