Abstract: Provided is a display device, which includes: a reference voltage line formed along a circular outer line and configured to provide a reference voltage; a first reference voltage auxiliary line electrically connected to the reference voltage line and formed to be parallel with a predetermined interval; and a conductive line forming a contact with the reference voltage line and the first reference voltage auxiliary line and configured to provide the reference voltage to a cathode.

Abstract: A floating offshore structure of the present disclosure includes: a plurality of columns; and a plurality of pontoons installed at lower ends of the columns, respectively, wherein a polygonal shape is formed by an imaginary line connecting the columns, the pontoons are installed inside the polygonal shape, a cross-sectional area in a direction parallel to sea level of the pontoons is greater than or equal to the cross-sectional area in the direction parallel to the sea level of the columns, and the pontoons may have a shape protruding outward at the lower ends of the columns.

Abstract: A floating offshore structure of the present invention comprises: a plurality of columns; and a tower support column for supporting a tower of a power generation structure, wherein a polygonal shape is formed by means of an imaginary line connecting the columns, and the tower supporting column can be provided at one point of one of the sides of the polygonal shape.