Flexible display module having a hollow defined middle

A flexible display module, comprising:

• a first flexible material layer comprising a groove;
• a module layer disposed in the groove of the first flexible material layer;
• and
• a second flexible material layer disposed on the module layer;
• wherein the module layer is adhered within the groove of the first flexible material layer by an optical adhesive or attached by silicone oil, and a cross-sectional area of the groove is larger than a cross-sectional area of the module layer.

A flexible display module, comprising:

• a first flexible material layer and a second flexible material layer stacked on the first flexible layer;
• a sealing layer disposed between the first flexible material layer and the second flexible material layer, the sealing layer having a hollow defined in a middle thereof;
• and
• a module layer disposed in the hollow of the sealing layer, wherein an area of a bottom area of the hollow is larger than an area of the module layer,
• a first silicone oil layer disposed between the module layer and the first flexible material layer.