A flat panel display includes a housing, a support base, a support plate, a connecting plate, and a fixing element. The housing defines a sliding groove and a plurality of holes arranged in a line parallel to the extending direction of the sliding groove. The support plate is fixed at the support base. The connecting plate is rotatably connected with the support base. A protruding part is formed on the connecting plate and is sliably received in the sliding groove. The connecting plate further defines a through hole. The fixing element extends through the through hole and is inserted into one of the holes to fix the position of the connecting plate relative to the housing.