Method of fabricating flexible display device

1. A method of fabricating a flexible display device, comprising:

providing a flexible display panel having an uneven surface;

forming at least one precursor layer on the uneven surface of the flexible display panel;

performing a polymerization process to polymerize the precursor layer to at least one filling layer;

forming at least one adhesion-enhanced layer on the flexible display panel, wherein the adhesion-enhanced layer comprises a first adhesion-enhanced layer, a second adhesion-enhanced layer and a third adhesion-enhanced layer, the filling layer comprises a first filling layer and a second filling layer, the first filling layer is formed between the first adhesion-enhanced layer and the second adhesion-enhanced layer, the second filling layer is formed between the second adhesion-enhanced layer and the third adhesion-enhanced layer; and

using an adhesive layer to attach a barrier film on the third adhesion-enhanced layer, wherein the third adhesion-enhanced layer has an even surface.

2. The method of claim 1 , wherein the precursor layer is formed on the uneven surface of the flexible display panel through a vacuum thermal evaporation process or a printing process.

3. The method of claim 1 , wherein the precursor layer comprises an acrylic-based precursor layer or a parylene-based precursor layer.

4. The method of claim 1 , wherein the adhesion-enhanced layer comprises a metal layer, a metal oxide layer, a metal nitride layer, a silicon oxide layer, or a silicon nitride layer.

5. The method of claim 1 , wherein the flexible display panel comprises a substrate and a plurality of display elements disposed on the substrate, and the uneven surface is formed by a gap between a surface of the display elements and a surface of the substrate.

6. A method of fabricating a flexible display device, comprising:

providing a flexible display panel, wherein the flexible display panel has an uneven surface; and

forming at least one filling layer on the uneven surface of the flexible display panel, wherein the filling layer comprises a plurality of carbon nanotubes, carbon nanoparticles, or carbon nanowires.

7. The method of claim 6 , wherein the filling layer is formed through a CVD process.

8. The method of claim 6 , further comprising using an adhesive layer to attach a barrier film on the filling layer, wherein the filling layer has an even surface.

9. The method of claim 6 , further comprising forming at least one adhesion-enhanced layer on the flexible display panel.

10. The method of claim 9 , wherein the adhesion-enhanced layer comprises a metal layer, a metal oxide layer, a metal nitride layer, a silicon oxide layer, or a silicon nitride layer.

11. The method of claim 9 , wherein the adhesion-enhanced layer is formed between the flexible display panel and the filling layer.

12. The method of claim 9 , wherein the adhesion-enhanced layer comprises a first adhesion-enhanced layer and a second adhesion-enhanced layer, the first adhesion-enhanced layer is formed between the flexible display panel and the filling layer, and the second adhesion-enhanced layer is formed on the filling layer.

13. The method of claim 12 , further comprising using an adhesive layer to attach a barrier film on the second adhesion-enhanced layer, wherein the second adhesion-enhanced layer has an even surface.

14. The method of claim 9 , wherein the adhesion-enhanced layer comprises a first adhesion-enhanced layer, a second adhesion-enhanced layer, and a third adhesion-enhanced layer, the filling layer comprises a first filling layer and a second filling layer, the first filling layer is formed between the first adhesion-enhanced layer and the second adhesion-enhanced layer, the second filling layer is formed between the second adhesion-enhanced layer and the third adhesion-enhanced layer, and the method further comprises using an adhesive layer to attach the barrier film on the third adhesion-enhanced layer, wherein the third adhesion-enhanced layer has an even surface.