CPC G06F 3/04184 (2019.05) [G06F 3/011 (2013.01); G06F 3/0418 (2013.01); G06F 3/0446 (2019.05); G06F 3/04166 (2019.05); G06F 2203/04108 (2013.01)] | 17 Claims |
1. A display device comprising:
a display panel configured to display an image;
a touch sensor configured to operate in one of a normal sensing mode in which a surface touch is recognized and a proximity sensing mode in which a hovering touch is recognized; and
a touch driver configured to supply a touch driving signal including driving pulses having a rising period and a falling period to the touch sensor during a sensing period, and receive a touch sensing signal from the touch sensor,
wherein, in the proximity sensing mode, the touch driver sets a noise period in the sensing period, when it is determined that a variation of the image is greater than a predetermined reference variation, and
wherein, during the noise period, the touch driver changes a ratio of a width of a rising period of each of the driving pulses and a width of a falling period of each of the driving pulses, and changes amplitudes of the rising period and the falling period of each of the driving pulses.
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