A display apparatus includes a display panel, a light guide plate configured to guide light to the display panel, a light source module configured to emit light toward the light guide plate, optical sheets disposed between the display panel and the light guide plate, a bottom chassis, on which the light guide plate is seated, and configured to support the optical sheets to be spaced apart from the light guide plate forming an optical distance between the optical sheets and the light guide plate, and a plurality of supporters fixed to the bottom chassis and configured to support the optical sheets to prevent the optical sheets from sagging.