Flexible electronic device
The present disclosure is related to an electronic device that includes a display area and a non-display area. The electronic device includes a supporting substrate, a flexible substrate, a first organic insulating layer, a first conductive layer, a second conductive layer, a second organic insulating layer, and a resilient structure. The flexible substrate is disposed on the supporting substrate. The first organic insulating layer is disposed on the flexible substrate. The first conductive layer is disposed on the first organic insulating layer. The second conductive layer is disposed on the first conductive layer. The second organic insulating layer is disposed on the second conductive layer. The resilient structure includes resilient elements disposed between the first conductive layer and the second conductive layer. The first conductive layer alternately contacts the second conductive layer and the resilient elements.
1. An electronic device with a display area and a non-display area adjacent to the display area, comprising:
a supporting substrate;
a flexible substrate disposed on the supporting substrate;
a first insulating layer disposed on the flexible substrate;
a first conductive layer disposed on the first insulating layer;
a second conductive layer disposed on the first conductive layer;
a second insulating layer disposed on the second conductive layer; and
a resilient structure, disposed between the first conductive layer and the second conductive layer, comprising a plurality of resilient elements, wherein at least a portion of the first insulating layer, the second insulating layer, the first conductive layer, the second conductive layer and the resilient structure are disposed in the non-display area, and the first conductive layer alternately contacts the second conductive layer and at least one of the plurality of resilient elements; and
an opening that passes through the supporting substrate and exposes a portion of the flexible substrate.
2. The electronic device as claimed in claim 1 , wherein the supporting substrate comprises two sides exposed by the opening, and a space is formed between the sides and the flexible substrate when the electronic device is bent.
3. The electronic device as claimed in claim 1 , wherein the supporting substrate comprises two sides exposed by the opening and directly contacted to the flexible substrate when the electronic device is bent.
4. The electronic device as claimed in claim 1 , wherein at least one of the plurality of resilient elements comprises sides contacting the first conductive layer and the second conductive layer and having an arc-liked shape.
5. The electronic device as claimed in claim 1 , further comprising an inorganic insulating layer disposed on the flexible substrate, wherein an interface between the inorganic insulating layer and the first insulating layer overlaps the supporting substrate when viewed along a direction perpendicular to a surface of the flexible substrate.
6. The electronic device as claimed in claim 5 , wherein an angle between the interface and the surface of the flexible substrate is greater than 90 degrees and less than 180 degrees.
7. The electronic device as claimed in claim 5 , wherein a portion of the second conductive layer overlaps a portion of the inorganic insulating layer when viewed along the direction perpendicular to the surface of the flexible substrate.
8. The electronic device as claimed in claim 5 , wherein the supporting substrate comprises two sides, and the interface does not overlap with the sides of the supporting substrate when viewed along the direction perpendicular to the surface of the flexible substrate.
9. The electronic device as claimed in claim 8 , wherein another interface is formed between the inorganic insulating layer and the first insulating layer, and a distance between the two sides is less than a distance between the two interfaces.
10. The electronic device as claimed in claim 1 , wherein the second conductive layer comprises a plurality of conductive strips that extend in a first direction and are parallel to each other.
11. The electronic device as claimed in claim 10 , wherein at least one of the plurality of resilient elements is island-shaped and disposed under the conductive strips.
12. The electronic device as claimed in claim 11 , wherein each of the conductive strips overlaps the plurality of resilient elements.
13. The electronic device as claimed in claim 10 , wherein at least one of the plurality of resilient elements are strip-shaped and extend in a second direction perpendicular to the first direction and pass under the conductive strips.
14. The electronic device as claimed in claim 10 , wherein the resilient structure has a mesh-liked shape and comprises a plurality of first strip structures and a plurality of second strip structures, the first strip structures and the second strip structures intersect at a plurality of intersections, the plurality of intersections overlap the plurality of conductive strips.
15. The electronic device as claimed in claim 14 , wherein the first strip structures and the second strip structures are symmetrical relative to one of the conductive strips.
16. The electronic device as claimed in claim 1 , further comprising an inorganic insulating layer disposed on the flexible substrate, wherein the first insulating layer and the inorganic insulating layer have a substantially identical thickness.
17. The electronic device as claimed in claim 1 , wherein the first conductive layer overlaps the second conductive layer when viewed along a direction perpendicular to a surface of the flexible substrate.
18. The electronic device as claimed in claim 1 , wherein a stiffness of the inorganic insulating layer is greater than a stiffness of the flexible substrate.
19. The electronic device as claimed in claim 1 , wherein each of the plurality of resilient elements has a shape like a polygon in a cross-section view.