Abstract: A foldable display apparatus includes a display panel that is foldable, a protective film, that is foldable, disposed on one surface of the display panel, and a sub-layer disposed on the protective film. A folding portion of the display apparatus includes a thin film zone, of the protective film, that is thinner than a main body of the protective film, and a pair of bumps disposed on opposing sides of the thin film zone, each of the pair of bumps having a thickness greater than that of the main body of the protective film. When the foldable display apparatus is in a folding state, a portion of the sub-layer is provided between the pair of bumps and is pressed by the pair of bumps.