Flexible display panel and curved display screen
View Patent ↗A flexible display panel and a curved display screen are provided. The flexible display panel includes a display region and a border region adjacent to each other and arranged along a first direction, the border region includes a chip region and a bend region, the bend region is located between the display region and the chip region, and the flexible display panel includes: a substrate; a base material reacting layer located on the substrate in the bend region; and a circuit wiring, located in the base material reacting layer, and obtained by at least a predetermined part of the base material reacting layer reacted by an oxidation reduction reaction.
1. A flexible display panel, comprising a display region and a border region adjacent to each other and arranged along a first direction, the border region comprising a chip region and a bend region, the bend region being located between the display region and the chip region, wherein in a second direction perpendicular to the first direction, the flexible display panel comprises:
a substrate;
a base material reacting layer located on the substrate in the bend region; and
a circuit wiring located in the base material reacting layer and obtained by at least a predetermined part of the base material reacting layer reacted by an oxidation reduction reaction, wherein the circuit wiring comprises a connecting segment and a lead-out segment electrically connected to the connecting segment, the connecting segment comprises a symmetry axis and two edge wires, the symmetry axis is parallel to an extending direction of the connecting segment, the two edge wires are symmetrical about the symmetry axis, and each of the two edge wires is a structure with a plurality of curves and a plurality of wiring segments connected alternatively.
2. The flexible display panel according to claim 1 , wherein the base material reacting layer comprises a first surface away from the substrate, the circuit wiring comprises a second surface which is flush with the first surface, the second surface is not covered by the base material reacting layer.
3. The flexible display panel according to claim 2 , further comprising a protective layer covering the first surface and the second surface, wherein material of the protective layer is the same as material of the base material reacting layer.
4. The flexible display panel according to claim 1 , wherein the connecting segment is parallel to the substrate, and the lead-out segment is perpendicular to the substrate.
5. The flexible display panel according to claim 4 , further comprising at least one pixel drive circuit in the display region and at least one drive chip in the chip region,
wherein the lead-out segment comprises a first lead-out wire and a second lead-out wire, the first lead-out wire is connected to the pixel drive circuit, and the second lead-out wire is connected to the drive chip.
6. The flexible display panel according to claim 4 , wherein the connecting segment comprises at least one stress release structure.
7. The flexible display panel according to claim 4 , wherein each of the two edge wires comprises a plurality of semicircular curves, and every two adjacent semicircular curves are connected through the wiring segment.
8. The flexible display panel according to claim 4 , wherein the connecting segment comprises a through-hole running through the connecting segment in a thickness direction of the connecting segment.
9. The flexible display panel according to claim 4 , wherein in a direction parallel to the substrate, the connecting segment is a curve.
10. The flexible display panel according to claim 4 , wherein in a direction perpendicular to the substrate, the connecting segment is a curve.
11. The flexible display panel according to claim 1 , wherein the circuit wiring comprises a plurality of circuit sub-wirings arranged in a plurality of layers parallel to the substrate, and orthographic projections of the plurality of circuit sub-wirings arranged in the plurality of layers on the substrate are overlapped.
12. The flexible display panel according to claim 1 , further comprising a buffer layer located between the substrate and the base material reacting layer.
13. The flexible display panel according to claim 1 , further comprising an insulating layer located on a side of the base material reacting layer away from the substrate.
14. The flexible display panel according to claim 1 , wherein material of the base material reacting layer is oxide.
15. The flexible display panel according to claim 13 , wherein the material of the base material reacting layer comprises graphene oxide; and
material of the circuit wiring comprises graphene.
16. The flexible display panel according to claim 4 , wherein the base material reacting layer comprises a first surface away from the substrate, the circuit wiring comprises a second surface which is flush with the first surface, the second surface is not covered by the base material reacting layer.
17. The flexible display panel according to claim 16 , further comprising a protective layer covering the first surface and the second surface, wherein material of the protective layer is the same as material of the base material reacting layer.
18. The flexible display panel according to claim 17 , wherein the material of the base material reacting layer comprises graphene oxide; and
material of the circuit wiring comprises graphene.
19. A curved display screen, comprising the flexible display panel according to claim 1 .