Discussed is a display device comprising a substrate; a plurality of cells provided with a partition wall protruding on the substrate, and sequentially arranged along one direction; a plurality of semiconductor light-emitting elements respectively accommodated in the plurality of cells; and a first electrode provided with a plurality of electrode lines arranged on a bottom of the plurality of cells, and electrically connected to the plurality of semiconductor light-emitting elements, wherein the bottom of the plurality of cells comprise a first region covered by the plurality of electrode lines, and a second region formed between the plurality of electrode lines.