A display device includes a flexible substrate, a buffer layer on the flexible substrate and including an inorganic material, a display area including a plurality of pixels on the buffer layer and each including a pixel circuit including a first thin film transistor (TFT), a second TFT, and a storage capacitor and a display device connected to the pixel circuit, and a non-display area that is adjacent to the display area. The flexible substrate includes at least one base layer, at least one inorganic barrier layer, and a shielding layer including a portion having a certain area and an opening adjacent to the portion.