A display device comprising: a first pixel electrode including a first electrode part having a first slit (Sa) and a second electrode part having a second slit (Sb); and a first data line and a second data line, the first and second data lines (171a, 171b) being adjacent to each other in a first direction, wherein the first pixel electrode overlaps the first data line and the second data line, wherein: the first electrode part and the first slit (Sa) overlap the first data line, and the second electrode part and the second slit (Sb) overlap the second data line; a first area defined by a first overlapping region (Aa) between the first slit (Sa) and the first data line is different from a second area defined by a second overlapping region (Ab) between the second slit (Sb) and the second data line; the first data line is electrically connected to the first pixel electrode; and the first slit (Sa) has a first width (Wa) and the second slit (Sb) has a second width (Wb), wherein the first width (Wa) of the first slit (Sa) is less than the second width (Wb) of the second slit (Sb), characterized in that the first slit (Sa) includes a first slit portion having the first width and a second slit portion having a third width greater than the first width; and the first slit portion overlaps the first data line and the second slit portion does not overlap the first data line. a first pixel electrode including a first electrode part having a first slit (Sa) and a second electrode part having a second slit (Sb); and a first data line and a second data line, the first and second data lines (171a, 171b) being adjacent to each other in a first direction, wherein the first pixel electrode overlaps the first data line and the second data line, wherein: the first electrode part and the first slit (Sa) overlap the first data line, and the second electrode part and the second slit (Sb) overlap the second data line; a first area defined by a first overlapping region (Aa) between the first slit (Sa) and the first data line is different from a second area defined by a second overlapping region (Ab) between the second slit (Sb) and the second data line; the first data line is electrically connected to the first pixel electrode; and the first slit (Sa) has a first width (Wa) and the second slit (Sb) has a second width (Wb), wherein the first width (Wa) of the first slit (Sa) is less than the second width (Wb) of the second slit (Sb), characterized in that the first slit (Sa) includes a first slit portion having the first width and a second slit portion having a third width greater than the first width; and the first slit portion overlaps the first data line and the second slit portion does not overlap the first data line. the first electrode part and the first slit (Sa) overlap the first data line, and the second electrode part and the second slit (Sb) overlap the second data line; a first area defined by a first overlapping region (Aa) between the first slit (Sa) and the first data line is different from a second area defined by a second overlapping region (Ab) between the second slit (Sb) and the second data line; the first data line is electrically connected to the first pixel electrode; and the first slit (Sa) has a first width (Wa) and the second slit (Sb) has a second width (Wb), wherein the first width (Wa) of the first slit (Sa) is less than the second width (Wb) of the second slit (Sb), characterized in that the first slit (Sa) includes a first slit portion having the first width and a second slit portion having a third width greater than the first width; and the first slit portion overlaps the first data line and the second slit portion does not overlap the first data line.