A display apparatus comprising: a display panel; a light source unit comprising a light source configured to generate light and a light source supporting unit on which the light source is disposed; a light guide plate disposed at a rear portion of the display panel and configured to transmit the light generated by the light source toward the display panel, and a top chassis comprising a panel supporting portion configured to support at least one portion of the display panel; a bottom chassis disposed at a rear portion of the light guide plate to support the light guide plate; and a side frame, at least one portion of which is disposed between the top chassis and the bottom chassis; wherein the light source supporting unit supports at least one portion of a front light transmitting surface of the light guide plate; wherein the display panel is disposed to receive the light transmitted through the front light transmitting surface of the light guide plate, wherein one surface of the light source supporting unit supports the display panel, and an opposite surface of the light source supporting unit supports the light guide plate; the light source is disposed on the opposite surface of the light source supporting unit; wherein the top chassis further comprises a top chassis coupling portion which is recessed backwards relatively to the panel supporting portion and extends away from the panel supporting portion towards the bottom chassis; and the top chassis coupling portion is coupled with the side frame in a front-to-back direction without interfering with the bottom chassis; wherein the top chassis coupling portion, the light source supporting unit, and the side frame are sequentially disposed; and the top chassis coupling portion comprises an insertion space that receives a screw, wherein the screw is inserted from the front surface of the display apparatus and couples the top chassis coupling portion, the light source supporting unit, and a frame seating portion of said side frame; wherein the insertion space is recessed towards the bottom chassis relatively to the panel supporting portion, and the display apparatus further comprises a cover (50, 150), at least one portion of which covers the insertion space, disposed on the front surface of the top chassis. a display panel; a light source unit comprising a light source configured to generate light and a light source supporting unit on which the light source is disposed; a light guide plate disposed at a rear portion of the display panel and configured to transmit the light generated by the light source toward the display panel, and a top chassis comprising a panel supporting portion configured to support at least one portion of the display panel; a bottom chassis disposed at a rear portion of the light guide plate to support the light guide plate; and a side frame, at least one portion of which is disposed between the top chassis and the bottom chassis; wherein the light source supporting unit supports at least one portion of a front light transmitting surface of the light guide plate; wherein the display panel is disposed to receive the light transmitted through the front light transmitting surface of the light guide plate, wherein one surface of the light source supporting unit supports the display panel, and an opposite surface of the light source supporting unit supports the light guide plate; the light source is disposed on the opposite surface of the light source supporting unit; wherein the top chassis further comprises a top chassis coupling portion which is recessed backwards relatively to the panel supporting portion and extends away from the panel supporting portion towards the bottom chassis; and the top chassis coupling portion is coupled with the side frame in a front-to-back direction without interfering with the bottom chassis; wherein the top chassis coupling portion, the light source supporting unit, and the side frame are sequentially disposed; and the top chassis coupling portion comprises an insertion space that receives a screw, wherein the screw is inserted from the front surface of the display apparatus and couples the top chassis coupling portion, the light source supporting unit, and a frame seating portion of said side frame; wherein the insertion space is recessed towards the bottom chassis relatively to the panel supporting portion, and the display apparatus further comprises a cover (50, 150), at least one portion of which covers the insertion space, disposed on the front surface of the top chassis.