US Patent 10424749 Foldable display device

A flexible display device is provided according to the present disclosure. The flexible display device includes a display panel, a support frame configured to support the display panel and provide strength to the flexible display device, and an adhesive layer between the display panel and the support frame. The adhesive layer includes a base film with a first surface and a second surface opposite the first surface, first protuberances extending from the first surface towards the display panel and attaching to the display panel, and second protuberances extending from the second surface towards the support frame and attaching to the support frame.