Foldable display device

A foldable display device, comprising:

• a display panel having a foldable area;
• a first casing and a second casing, the first and second casings being spaced from one another and supporting the display panel;
• a shape variable support having a first end movably connected to the first casing and a second end fixed to the second casing, wherein a shape of the shape variable support varies based on an unfolded, in-folded or out-folded state of the foldable display device;
• and
• a slidable plate attached to the display panel and movably coupled to the second casing.

A foldable display device, comprising:

• a first casing configured to support a first area of a display panel;
• a second casing configured to support a second area of the display panel;
• a slidable support having a first end movably connected to the first casing and a second end fixed to the second casing, the second end being opposite to the first end;
• and
• a slidable plate spaced from the slidable support and movably coupled to the second casing,
• wherein each of the slidable support and the slidable plate moves during an in-folding operation of the foldable display device, an out-folding operation of the foldable display device and an unfolding operation of the foldable display device.