A display apparatus and an input method of the display apparatus are provided. The display apparatus includes a bottom chassis, and a display panel disposed above the bottom chassis, the display panel including an active area configured to display a control menu, and a black mask area surrounding the active area. The display apparatus further includes a light source configured to irradiate light, an optical member configured to cause the irradiated light to be incident on the display panel, and a middle frame disposed on the optical member and configured to support the display panel. The display apparatus further includes a sensor disposed between the middle frame and the display panel, and configured to sense a user input.