A display device is provided. The display device includes a light-emitting unit. The light-emitting unit includes a light-emitting part, wherein a light extraction structure is disposed on a first surface of the light-emitting part. The light-emitting unit also includes a connective part disposed on a second surface opposite to the first surface of the light-emitting part. The light-emitting unit further includes a protective part surrounding the light-emitting part and the connective part. In addition, the display device includes a substrate having a plurality of active elements and at least one bonding pad, wherein the bonding pad is electrically connected to the corresponding connective part of the light-emitting unit. The roughness of the light extraction structure is greater than or equal to 0.2 μm and less than or equal to 5 μm.