A touch display device, comprising: a first plurality of touch sensors disposed on a display panel along a first direction; a plurality of first touch lines (TL(Tx)) connected to the first plurality of touch sensors; a second plurality of touch sensors disposed on the display panel along a second direction that intersects the first direction; a plurality of second touch lines (TL(Rx)), the plurality of second touch lines connected to the second plurality of touch sensors; and a driving circuit that is configured to output a touch driving signal for sensing touch via both self-capacitive touch sensing and mutual capacitive touch sensing during a plurality of time-divided consecutive touch sensing periods in a single display frame, the touch driving signal output to at least one of the first plurality of touch sensors and the second plurality of touch sensors; wherein a display driving signal from the driving circuit and used to display an image on the display panel is output during a time excluding a partial initial time period and a partial last time period of a first touch sensing time period of a touch sensing time period; wherein the driving circuit is further configured to: during the first touch sensing time period, output a ground signal which is modulated to be the same as the touch driving signal; and during a second touch sensing time period, output the touch driving signal for sensing touch to a first touch line, receive the touch sensing signal through a second touch line and output a ground signal corresponding to a reference voltage. a first plurality of touch sensors disposed on a display panel along a first direction; a plurality of first touch lines (TL(Tx)) connected to the first plurality of touch sensors; a second plurality of touch sensors disposed on the display panel along a second direction that intersects the first direction; a plurality of second touch lines (TL(Rx)), the plurality of second touch lines connected to the second plurality of touch sensors; and a driving circuit that is configured to output a touch driving signal for sensing touch via both self-capacitive touch sensing and mutual capacitive touch sensing during a plurality of time-divided consecutive touch sensing periods in a single display frame, the touch driving signal output to at least one of the first plurality of touch sensors and the second plurality of touch sensors; wherein a display driving signal from the driving circuit and used to display an image on the display panel is output during a time excluding a partial initial time period and a partial last time period of a first touch sensing time period of a touch sensing time period; wherein the driving circuit is further configured to: during the first touch sensing time period, output a ground signal which is modulated to be the same as the touch driving signal; and during a second touch sensing time period, output the touch driving signal for sensing touch to a first touch line, receive the touch sensing signal through a second touch line and output a ground signal corresponding to a reference voltage. during the first touch sensing time period, output a ground signal which is modulated to be the same as the touch driving signal; and during a second touch sensing time period, output the touch driving signal for sensing touch to a first touch line, receive the touch sensing signal through a second touch line and output a ground signal corresponding to a reference voltage.