A display apparatus comprising: a display assembly; a mounting device on which the display assembly is mounted; a rotating shaft for rotating the display assembly, and disposed at a fixed position on the mounting device and the display assembly, and the rotating shaft is biased from the center of the display assembly; an elastic device configured to generate an elastic force when the display assembly rotates with respect to the rotating shaft, wherein one end of the elastic device is rotatably fixed at the mounting device and the other end of the elastic device is spaced radially from the rotating shaft and is rotatably fixed at the display assembly; a stopper comprises a rotation guide provided in the mounting device to have an arc shape around the rotating shaft, and a rotating projection fixed to a rear surface of the display assembly and inserted into the rotation guide, the rotating projection configured to rotate together with the display assembly to limit a rotation range of the display assembly; and a damper for damping the elastic device, wherein the display assembly has a first mode in which a horizontal length of the display assembly is longer than a vertical length of the display assembly as a landscape mode and a second mode in which the vertical length of the display assembly is longer than the horizontal length of the display assembly as a portrait mode by rotating the display assembly, wherein a center of the display assembly is located above the rotating shaft in the first mode and is located below the rotating shaft in the second mode such that the center of the display assembly in the first mode is provided to be higher than the center of the display assembly in the second mode. a display assembly; a mounting device on which the display assembly is mounted; a rotating shaft for rotating the display assembly, and disposed at a fixed position on the mounting device and the display assembly, and the rotating shaft is biased from the center of the display assembly; an elastic device configured to generate an elastic force when the display assembly rotates with respect to the rotating shaft, wherein one end of the elastic device is rotatably fixed at the mounting device and the other end of the elastic device is spaced radially from the rotating shaft and is rotatably fixed at the display assembly; a stopper comprises a rotation guide provided in the mounting device to have an arc shape around the rotating shaft, and a rotating projection fixed to a rear surface of the display assembly and inserted into the rotation guide, the rotating projection configured to rotate together with the display assembly to limit a rotation range of the display assembly; and a damper for damping the elastic device, wherein the display assembly has a first mode in which a horizontal length of the display assembly is longer than a vertical length of the display assembly as a landscape mode and a second mode in which the vertical length of the display assembly is longer than the horizontal length of the display assembly as a portrait mode by rotating the display assembly, wherein a center of the display assembly is located above the rotating shaft in the first mode and is located below the rotating shaft in the second mode such that the center of the display assembly in the first mode is provided to be higher than the center of the display assembly in the second mode.