An image display device, comprising: a flexible display unit transformable between a flat state and a curved state; a pressing member disposed at a rear surface of the flexible display unit, to apply the force to the flexible display unit; and a driving unit to push or pull the pressing member, whereby the image display device further comprises: an adjusting unit coupled to the pressing member and the driving unit, respectively, and movable with respect to the driving unit, the adjusting unit to adjust the curved state of the pressing member; characterized in that: the image display device further comprises: a clicker installed at the adjusting unit and movable with respect to the driving unit according to the operation of the driving unit; and a limit switch fixedly disposed on the rear surface of the flexible display unit, and configured to generate a signal for restricting the operation of the driving unit when pressed, and wherein the clicker is disposed to press the limit switch if the adjusting unit has moved more than a preset range. a flexible display unit transformable between a flat state and a curved state; a pressing member disposed at a rear surface of the flexible display unit, to apply the force to the flexible display unit; and a driving unit to push or pull the pressing member, whereby the image display device further comprises: an adjusting unit coupled to the pressing member and the driving unit, respectively, and movable with respect to the driving unit, the adjusting unit to adjust the curved state of the pressing member; characterized in that: the image display device further comprises: a clicker installed at the adjusting unit and movable with respect to the driving unit according to the operation of the driving unit; and a limit switch fixedly disposed on the rear surface of the flexible display unit, and configured to generate a signal for restricting the operation of the driving unit when pressed, and wherein the clicker is disposed to press the limit switch if the adjusting unit has moved more than a preset range. an adjusting unit coupled to the pressing member and the driving unit, respectively, and movable with respect to the driving unit, the adjusting unit to adjust the curved state of the pressing member; characterized in that: the image display device further comprises: a clicker installed at the adjusting unit and movable with respect to the driving unit according to the operation of the driving unit; and a limit switch fixedly disposed on the rear surface of the flexible display unit, and configured to generate a signal for restricting the operation of the driving unit when pressed, and wherein the clicker is disposed to press the limit switch if the adjusting unit has moved more than a preset range. a clicker installed at the adjusting unit and movable with respect to the driving unit according to the operation of the driving unit; and a limit switch fixedly disposed on the rear surface of the flexible display unit, and configured to generate a signal for restricting the operation of the driving unit when pressed, and wherein the clicker is disposed to press the limit switch if the adjusting unit has moved more than a preset range.