A display apparatus comprises a display panel; a heat sink plate coupled to a bottom surface of the display panel and having a coupling member that extends in a semicircular shape at one end and protrudes in a direction toward the bottom surface of the display panel; and a guide panel having a connection member at one end that is coupled to the coupling member in a rotation or sliding manner and connected to a bottom surface a printed circuit board (PCB) connected to the display panel, wherein the printed circuit board is detachably coupled to a bottom surface of the heat sink plate.