Touch sensor device, display device including the touch sensor device and electronic device including the display device

A display device comprising:

• a display panel;
• a display panel driver configured to drive the display panel;
• a touch sensor disposed on the display panel;
• and
• a touch driver configured to drive the touch sensor,
• wherein the touch driver is configured to:
• determine baseline data for a predetermined area of the touch sensor for use as a touch recognition reference,
• define a reference area including at least two of the baseline data,
• determine a first maximum value and a first minimum value in the reference area, the first maximum value being a maximum value of the baseline data in the reference area and a first minimum value being a minimum value of the baseline data in the reference area, and
• determine whether to initialize the baseline data for the predetermined area based on the first maximum value and the first minimum value and initializing the baseline data for the predetermined area only if a comparison value calculated from the first maximum value and the first minimum value, satisfies a threshold.

An electronic device comprising:

• a processor configured to output an input control signal and input image data;
• a display panel;
• a display panel driver configured to drive the display panel based on the input control signal and the input image data;
• a touch sensor disposed on the display panel;
• and
• a touch driver configured to drive the touch sensor,
• wherein the touch driver is configured to:
• determine baseline data for a predetermined area of the touch sensor, for use as a touch recognition reference,
• define a reference area in the predetermined area, the reference area including at least two of the baseline data,
• determine a first maximum value and a first minimum value in the reference area, the first maximum value being a maximum value of the baseline data in the reference area and a first minimum value being a minimum value of the baseline data in the reference area, and
• determine whether to initialize the baseline data for the predetermined area based on the first maximum value and the first minimum value and initializing the baseline data for the predetermined area only if a comparison value calculated from the first maximum value and the first minimum value, satisfies a threshold.