A light-emitting display device and a method of manufacturing the same including preparing a substrate such that the substrate includes a pixel area and a seal area; forming first pixel electrode patterns on the substrate; forming insulating patterns on the pixel area and the seal area; forming hole injection patterns on the pixel area and the seal area; forming surface treatment patterns on the pixel area and the seal area; forming light-emitting patterns on the pixel area and the seal area; and forming second pixel electrode patterns on the pixel area, wherein forming the surface treatment patterns includes forming the surface treatment patterns on the pixel area and the seal area such that the surface treatment patterns and the hole injection patterns can be alternately arranged on the top surface of the pixel area, and that only the surface treatment patterns can be arranged on the top surface of the seal area.