A display device comprising: a housing; a roller disposed inside the housing; a display unit configured to be rolled around the roller; a first arm (911a, 911b) and a second arm (912a, 912b), wherein one end of the first arm (911a, 911b) is rotatably coupled to the display unit and another end of the first arm (911a, 911b) is rotatably coupled to the second arm (912a, 912b); a lead screw (840a, 840b) disposed inside the housing; a slider (860a, 860b) configured to move along the lead screw (840a, 840b) according to a rotation of the lead screw (840a, 840b); and a rod (870a, 870b) comprising one end rotatably coupled to the slider (860a, 860b) and another end rotatably coupled to the second arm (912a, 912b) such that the second arm (912a, 912b) is raised and lowered based on movement of the slider (860a, 860b) along the lead screw (840a, 840b); wherein the rod (870a, 870b) and the second arm (912a, 912b) are rotatably coupled via at least a first connection member and a first intermediate member, wherein the first connection member is configured to pass through the second arm (912a, 912b) and the rod (870a, 870b) and the first intermediate member is configured to surround a portion of the first connection member which passes through the second arm (912a, 912b), characterized in that the first connection member comprises: a body (C B) configured to pass through an opening at the second arm (912a, 912b) and a first opening at the rod (870a, 870b); and a head connected to the body (C B) and having a diameter greater than a diameter of the body (C B), wherein the first intermediate member has a ring shape, wherein an inner circumferential surface of the first intermediate member contacts an outer circumferential surface of the body (C B) of the first connection member, and wherein an outer circumferential surface of the first intermediate member contacts an inner circumferential surface of the opening at the second arm (912a, 912b), wherein the first intermediate member comprises a first flange positioned between the second arm (912a, 912b) and the rod (870a, 870b). a housing; a roller disposed inside the housing; a display unit configured to be rolled around the roller; a first arm (911a, 911b) and a second arm (912a, 912b), wherein one end of the first arm (911a, 911b) is rotatably coupled to the display unit and another end of the first arm (911a, 911b) is rotatably coupled to the second arm (912a, 912b); a lead screw (840a, 840b) disposed inside the housing; a slider (860a, 860b) configured to move along the lead screw (840a, 840b) according to a rotation of the lead screw (840a, 840b); and a rod (870a, 870b) comprising one end rotatably coupled to the slider (860a, 860b) and another end rotatably coupled to the second arm (912a, 912b) such that the second arm (912a, 912b) is raised and lowered based on movement of the slider (860a, 860b) along the lead screw (840a, 840b); wherein the rod (870a, 870b) and the second arm (912a, 912b) are rotatably coupled via at least a first connection member and a first intermediate member, wherein the first connection member is configured to pass through the second arm (912a, 912b) and the rod (870a, 870b) and the first intermediate member is configured to surround a portion of the first connection member which passes through the second arm (912a, 912b), characterized in that the first connection member comprises: a body (C B) configured to pass through an opening at the second arm (912a, 912b) and a first opening at the rod (870a, 870b); and a head connected to the body (C B) and having a diameter greater than a diameter of the body (C B), wherein the first intermediate member has a ring shape, wherein an inner circumferential surface of the first intermediate member contacts an outer circumferential surface of the body (C B) of the first connection member, and wherein an outer circumferential surface of the first intermediate member contacts an inner circumferential surface of the opening at the second arm (912a, 912b), wherein the first intermediate member comprises a first flange positioned between the second arm (912a, 912b) and the rod (870a, 870b). a body (C B) configured to pass through an opening at the second arm (912a, 912b) and a first opening at the rod (870a, 870b); and a head connected to the body (C B) and having a diameter greater than a diameter of the body (C B), wherein the first intermediate member has a ring shape, wherein an inner circumferential surface of the first intermediate member contacts an outer circumferential surface of the body (C B) of the first connection member, and wherein an outer circumferential surface of the first intermediate member contacts an inner circumferential surface of the opening at the second arm (912a, 912b), wherein the first intermediate member comprises a first flange positioned between the second arm (912a, 912b) and the rod (870a, 870b).