A display device and a method of fabricating the same are provided. The display device comprises a substrate, a via layer on the substrate, an anode electrode on the via layer, a pixel-defining film on the via layer and the anode electrode, and exposing a portion of the anode electrode, an organic layer on the anode electrode, and a cathode electrode on the organic layer, wherein the pixel-defining film comprises a first region containing boron, and a second region other than the first region.