A method of bending a flexible display panel including a flexible substrate extending from a display area to a non-display area and a support layer disposed on the flexible substrate in the display area and the non-display area, the method including altering, via thermal deformation, a property of a material of the support layer disposed on the flexible substrate in the non-display area of the flexible display panel; and bending, after altering the property, a portion of the support layer in non-display area that extends from a plane of the support layer in the display area of the flexible display panel.