A pivotable support apparatus for supporting a foldable display panel is provided. The pivotable support apparatus includes a sliding groove structure; a first rotating rod and a second rotating rod slidably and rotatably attached to the sliding groove structure; a first rotating plate; a second rotating plate; a first connecting rod rotatably attached to the first rotating rod, and configured to move slidably relative to the first rotating plate; and a second connecting rod rotatably attached to the second rotating rod, and configured to move slidably relative to the second rotating plate.