Discussed is a display device including: a base part; a plurality of assembly electrodes extending in a first direction and disposed at predetermined intervals on the base part; a dielectric layer stacked on the base part to cover the plurality of assembly electrodes; a barrier wall portion stacked on the dielectric layer to define a cell overlapping at least a portion of the plurality of assembly electrodes along the first direction of the plurality of assembly electrode; and a plurality of semiconductor light emitting devices disposed in the cell, wherein the plurality of semiconductor light emitting devices comprise a magnetic layer extending in a longitudinal direction that intersects the first direction.