A touch display device, comprising: a plurality of light-emitting elements disposed on an active area of a display panel; an encapsulation layer (ENCAP) disposed on the plurality of light-emitting elements; a plurality of X-touch electrode lines (X-TEL) disposed on the encapsulation layer (ENCAP) and arranged along a first direction; a plurality of Y-touch electrode lines (Y-TEL) disposed on the encapsulation layer (ENCAP) and arranged along a second direction; and a plurality of touch routing lines electrically connected to at least one of the plurality of first and second touch electrode lines (X-TEL, Y-TEL), wherein the active area includes a plurality of sub-areas divided by a boundary of the first direction and a boundary of the second direction crossing the first direction, wherein the plurality of sub-areas include a first sub-area and a second sub-area divided by the boundary of the first direction, and the plurality of touch electrodes disposed on each of the plurality of sub-areas are separated from a touch electrode disposed on another sub-area, wherein a plurality of first Y-touch electrode lines (Y-TEL-1) is arranged in the first sub-area and a plurality of second Y-touch electrode lines (Y-TEL-2) is arranged in the second sub-area, wherein the plurality of touch routing lines are disposed on an area other than the boundary of the second direction on the active area, and a portion of at least one of the plurality of touch routing lines is disposed on the boundary of the first direction, and wherein a portion of a touch routing line electrically connected to a touch electrode disposed on the first sub-area is disposed on the second sub-area, wherein at least one first dummy electrode is disposed on a first area of the first sub-area corresponding to a second area of the second sub-area where the portion of the touch routing line is disposed on the second sub-area, wherein the first area of the first sub-area is located between adjacent first Y-touch electrode lines (Y-TEL-1) disposed on the first sub-area, wherein the second area of the second sub-area is located between adjacent second Y-touch electrode lines (Y-TEL-2) disposed on the first sub-area, and wherein the at least one first dummy electrode is electrically separated from the first Y-touch electrode lines (Y-TEL-1) and the touch routing line. a plurality of light-emitting elements disposed on an active area of a display panel; an encapsulation layer (ENCAP) disposed on the plurality of light-emitting elements; a plurality of X-touch electrode lines (X-TEL) disposed on the encapsulation layer (ENCAP) and arranged along a first direction; a plurality of Y-touch electrode lines (Y-TEL) disposed on the encapsulation layer (ENCAP) and arranged along a second direction; and a plurality of touch routing lines electrically connected to at least one of the plurality of first and second touch electrode lines (X-TEL, Y-TEL), wherein the active area includes a plurality of sub-areas divided by a boundary of the first direction and a boundary of the second direction crossing the first direction, wherein the plurality of sub-areas include a first sub-area and a second sub-area divided by the boundary of the first direction, and the plurality of touch electrodes disposed on each of the plurality of sub-areas are separated from a touch electrode disposed on another sub-area, wherein a plurality of first Y-touch electrode lines (Y-TEL-1) is arranged in the first sub-area and a plurality of second Y-touch electrode lines (Y-TEL-2) is arranged in the second sub-area, wherein the plurality of touch routing lines are disposed on an area other than the boundary of the second direction on the active area, and a portion of at least one of the plurality of touch routing lines is disposed on the boundary of the first direction, and wherein a portion of a touch routing line electrically connected to a touch electrode disposed on the first sub-area is disposed on the second sub-area, wherein at least one first dummy electrode is disposed on a first area of the first sub-area corresponding to a second area of the second sub-area where the portion of the touch routing line is disposed on the second sub-area, wherein the first area of the first sub-area is located between adjacent first Y-touch electrode lines (Y-TEL-1) disposed on the first sub-area, wherein the second area of the second sub-area is located between adjacent second Y-touch electrode lines (Y-TEL-2) disposed on the first sub-area, and wherein the at least one first dummy electrode is electrically separated from the first Y-touch electrode lines (Y-TEL-1) and the touch routing line.