Display apparatus having an inorganic encapsulating layer with a rough surface and method of manufacturing the same

A display apparatus includes a substrate including a first area, a second area surrounding the first area, and a third area between the first area and the second area. A plurality of display elements disposed in the second area include a first display element and a second display element spaced apart from each other. A thin-film encapsulation layer includes an organic encapsulation layer covering the plurality of display elements. An inorganic encapsulation layer is on the organic encapsulation layer. A planarization layer partially covers the thin-film encapsulation layer in the third area. The inorganic encapsulation layer includes a first surface facing the planarization layer and a second surface facing in an opposite direction. The first surface has a roughness that is greater than a roughness of the second surface. In addition, other various embodiments may be provided.