DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME

A display device includes a substrate, a first pixel electrode a pixel defining structure including an inorganic protective layer, a first metal layer disposed on the inorganic protective layer, and a second metal layer disposed on the first metal layer and defining a first pixel opening including a first undercut structure, a first organic light emitting layer disposed on the first pixel electrode in the first pixel opening, a first common electrode layer disposed on the first organic light emitting layer in the first pixel opening, a first stack layer, a first capping layer, and a first light extraction structure which fills the first pixel opening covered by the first capping layer has a convex upper surface over the first pixel opening.