A display device, comprising: a substrate having a display area; a plurality of gate lines extending in a first direction in the display area, the gate lines including a first gate line and a second gate line; a plurality of data lines extending in the display area in a second direction intersecting the first direction, the data lines including a first data line and a second data line; and a first pixel having a first thin-film transistor and a first pixel electrode, and defined by the first gate line, the second gate line, the first data line, and the second data line, wherein the first thin-film transistor comprises: a first gate electrode connected to the second gate line; a first source electrode connected to the first data line; and a first drain electrode spaced apart from the first source electrode, the first drain electrode including: a first end portion extending in the second direction and overlapping with the first gate electrode in terms of their planar configuration, and a second end portion electrically connected to the first end portion and to the first pixel electrode a third portion connecting the first end portion and the second end portion, and characterized in that the first drain electrode has a U-type shape formed by the first end portion, the second end portion and the third portion. a substrate having a display area; a plurality of gate lines extending in a first direction in the display area, the gate lines including a first gate line and a second gate line; a plurality of data lines extending in the display area in a second direction intersecting the first direction, the data lines including a first data line and a second data line; and a first pixel having a first thin-film transistor and a first pixel electrode, and defined by the first gate line, the second gate line, the first data line, and the second data line, wherein the first thin-film transistor comprises: a first gate electrode connected to the second gate line; a first source electrode connected to the first data line; and a first drain electrode spaced apart from the first source electrode, the first drain electrode including: a first end portion extending in the second direction and overlapping with the first gate electrode in terms of their planar configuration, and a second end portion electrically connected to the first end portion and to the first pixel electrode a third portion connecting the first end portion and the second end portion, and characterized in that the first drain electrode has a U-type shape formed by the first end portion, the second end portion and the third portion. a first gate electrode connected to the second gate line; a first source electrode connected to the first data line; and a first drain electrode spaced apart from the first source electrode, the first drain electrode including: a first end portion extending in the second direction and overlapping with the first gate electrode in terms of their planar configuration, and a second end portion electrically connected to the first end portion and to the first pixel electrode a third portion connecting the first end portion and the second end portion, and characterized in that the first drain electrode has a U-type shape formed by the first end portion, the second end portion and the third portion. a first end portion extending in the second direction and overlapping with the first gate electrode in terms of their planar configuration, and a second end portion electrically connected to the first end portion and to the first pixel electrode a third portion connecting the first end portion and the second end portion, and characterized in that the first drain electrode has a U-type shape formed by the first end portion, the second end portion and the third portion.