A touch display device comprising: a substrate comprising data lines, gate lines, and subpixels; an encapsulation layer over the substrate; touch sensors sensing a touch and disposed on the encapsulation layer, wherein the touch sensors comprise driving electrodes located on the same column or the same row which are electrically connected via one or more driving bridges (Bt) and sensing electrodes located on the same column or the same row which are electrically connected via one or more driving bridges (Br), wherein the touch sensors comprise a plurality of first electrodes located on the encapsulation layer and a plurality of second electrodes located on the insulation layer, and wherein the first electrodes electrically contact the second electrodes; an insulation layer on the encapsulation layer; a plurality of signal lines electrically connected to at least one of the first and second electrodes (SE1, SE2) of the touch sensors and comprising a first sub-line and a second sub-line electrically connected to the first sub-line, and at least one transparent electrode located between the encapsulation layer and one of the first electrodes, on one of the second electrodes, or between the one of the first electrodes and the one of the second electrodes, wherein the first sub-line and the second sub-line form a double layer touch signal line partly inside the insulation layer such that the first sub-line of double layer touch signal line is fully inside the insulation layer and the second sub-line partially extends out of the insulation layer; wherein each of the touch sensors is a mesh type electrode with one or more open areas; and wherein the at least one transparent electrode has a greater size than each of the first electrodes or each of the second electrodes. a substrate comprising data lines, gate lines, and subpixels; an encapsulation layer over the substrate; touch sensors sensing a touch and disposed on the encapsulation layer, wherein the touch sensors comprise driving electrodes located on the same column or the same row which are electrically connected via one or more driving bridges (Bt) and sensing electrodes located on the same column or the same row which are electrically connected via one or more driving bridges (Br), wherein the touch sensors comprise a plurality of first electrodes located on the encapsulation layer and a plurality of second electrodes located on the insulation layer, and wherein the first electrodes electrically contact the second electrodes; an insulation layer on the encapsulation layer; a plurality of signal lines electrically connected to at least one of the first and second electrodes (SE1, SE2) of the touch sensors and comprising a first sub-line and a second sub-line electrically connected to the first sub-line, and at least one transparent electrode located between the encapsulation layer and one of the first electrodes, on one of the second electrodes, or between the one of the first electrodes and the one of the second electrodes, wherein the first sub-line and the second sub-line form a double layer touch signal line partly inside the insulation layer such that the first sub-line of double layer touch signal line is fully inside the insulation layer and the second sub-line partially extends out of the insulation layer; wherein each of the touch sensors is a mesh type electrode with one or more open areas; and wherein the at least one transparent electrode has a greater size than each of the first electrodes or each of the second electrodes.