Display apparatuses and mounting devices are disclosed. The display apparatuses may include a display panel for displaying visual information and a mounting device coupled with the display panel and movably coupled with a supporting base. The mounting device may comprise a panel-mount interface coupled with the display panel and a receiving device capable of being configured to be at least partially embedded into the supporting base. The panel-mount interface may be coupled with the receiving device through a coupling device comprising a joining piece and at least one of a plurality of receiving holes or at least one sliding groove. The joining piece may be movable among the plurality of the receiving holes or within the at least one sliding groove.