Foldable display panel, manufacture method thereof and foldable display device

A foldable display device, comprising:

• a shell, a foldable display panel fixed on the shell, and a rotation shaft in hinged connection with the shell, wherein the foldable display panel comprises:
• a display module, wherein the display module comprises:
• a first foldable part, and first flat parts located on two sides of the first foldable part;
• and
• an ultrathin glass cover window located on a side of a light emitting surface of the display module, wherein the ultrathin glass cover window comprises:
• a second foldable part, and second flat parts located on two sides of the second foldable part;
• and
• wherein an orthographic projection of the second foldable part on the display module covers the first foldable part, and orthographic projections of the second flat parts on the display module cover the first flat parts;
• and
• the rotation shaft is configured to drive the shell and the foldable display panel to get bent or unfolded together.