A display device including a touch screen panel and method of manufacturing the same are disclosed. In one aspect, the display device includes a first substrate including a display region and a peripheral region, a light-emitting structure formed over the first substrate, and a second substrate formed over the light-emitting structure. The display device also includes a touch screen panel formed over the second substrate and a touch screen panel-flexible printed circuit (TSP-FPC) board at least partially overlapping the peripheral region, wherein the TSP-FPC board is electrically connected to the touch screen panel. The display device further includes a protective member substantially covering the display region and the peripheral region. A top structure is interposed between the TSP-FPC board and the protective member in the peripheral region and a bottom structure interposed between the TSP-FPC board and the first substrate in the peripheral region.