DISPLAY DEVICE AND METHOD FOR MANUFACTURING THEREOF

A display device and method for manufacturing thereof are provided. The display device includes a substrate having a display area and a non-display area, and including an edge, an upper surface having an edge area in which a processing trace remains adjacent to the edge, a bottom surface opposite to the upper surface, a side surface connected to the upper surface and not parallel thereto, and a first inclined surface connected to the side surface and to the bottom surface, a light-emitting element layer above the upper surface of the substrate in the display area, and including light-emitting elements, an encapsulating layer above the light-emitting element layer and corresponding to a portion of the display area and the non-display area, and a protective layer above an outer surface of the substrate, and located on at least one of the bottom surface, the side surface, or the first inclined surface.