A display apparatus, comprising: a display panel; a backlight configured to radiate light to the display panel, wherein the backlight comprises a plurality of printed circuit boards, and a plurality of light emitting diodes mounted on the plurality of printed circuit boards; a middle mould configured to support the display panel; a rear chassis configured to accommodate the backlight; a front chassis configured to maintain the display panel in a state of being installed at the middle mould; a panel shaped member disposed at a front surface of the rear chassis, the panel shaped member configured to support rear surfaces of the plurality of printed circuit boards; a supporting member disposed between the middle mould and the rear chassis, wherein the supporting member comprises a backlight supporting part disposed between a periphery of the backlight and the rear chassis; a plurality of source printed circuit boards disposed at a rear surface of the rear chassis and connected through a flexible circuit board extended from the display panel; a side surface case configured to cover the plurality of source printed circuit boards, wherein the side surface case has a quadrangular ring shape and is provided to cover upper and lower sides and left and right sides of the rear chassis and the front chassis; a backlight driving board disposed at the rear surface of the rear chassis and configured to control driving of the backlight; a plurality of panel driving boards (10c, 10d) disposed at the rear surface of the rear chassis, wherein the plurality of panel driving boards comprises: a first panel driving board disposed at an upper side of the backlight driving board and configured to control driving of an upper domain of the display panel, and a second driving board disposed at a lower side of the backlight driving board and configured to control driving of a lower domain of the display panel; and a rear surface case, wherein the rear surface case is provided to cover a rear side of the side surface case. a display panel; a backlight configured to radiate light to the display panel, wherein the backlight comprises a plurality of printed circuit boards, and a plurality of light emitting diodes mounted on the plurality of printed circuit boards; a middle mould configured to support the display panel; a rear chassis configured to accommodate the backlight; a front chassis configured to maintain the display panel in a state of being installed at the middle mould; a panel shaped member disposed at a front surface of the rear chassis, the panel shaped member configured to support rear surfaces of the plurality of printed circuit boards; a supporting member disposed between the middle mould and the rear chassis, wherein the supporting member comprises a backlight supporting part disposed between a periphery of the backlight and the rear chassis; a plurality of source printed circuit boards disposed at a rear surface of the rear chassis and connected through a flexible circuit board extended from the display panel; a side surface case configured to cover the plurality of source printed circuit boards, wherein the side surface case has a quadrangular ring shape and is provided to cover upper and lower sides and left and right sides of the rear chassis and the front chassis; a backlight driving board disposed at the rear surface of the rear chassis and configured to control driving of the backlight; a plurality of panel driving boards (10c, 10d) disposed at the rear surface of the rear chassis, wherein the plurality of panel driving boards comprises: a first panel driving board disposed at an upper side of the backlight driving board and configured to control driving of an upper domain of the display panel, and a second driving board disposed at a lower side of the backlight driving board and configured to control driving of a lower domain of the display panel; and a rear surface case, wherein the rear surface case is provided to cover a rear side of the side surface case. a first panel driving board disposed at an upper side of the backlight driving board and configured to control driving of an upper domain of the display panel, and a second driving board disposed at a lower side of the backlight driving board and configured to control driving of a lower domain of the display panel; and a rear surface case, wherein the rear surface case is provided to cover a rear side of the side surface case.