Flexible display device with space reducing wire configuration
There is provided a flexible display having a plurality of innovations configured to allow bending of a portion or portions to reduce apparent border size and/or utilize the side surface of an assembled flexible display.
1. A flexible display apparatus, comprising:
a flexible base layer having an active area and an inactive area;
a first wire trace and a second wire trace on the flexible base layer, each of the first wire trace and the second wire trace having a buffer layer, a passivation layer and a conductive line between the buffer layer and the passivation layer, at least a portion of the first wire trace and at least a portion of the second wire trace are positioned in a bend allowance section of the flexible display apparatus at one of edges of the flexible display apparatus; and
a sealing layer over at least the portion of the first wire trace and at least the portion of the second wire trace positioned in the bend allowance section of the flexible display apparatus, wherein the sealing layer has sufficient flexibility and a moisture resistance.
2. The flexible display apparatus of claim 1 , wherein the first wire trace and the second wire trace are arranged in a staggered configuration.
3. The flexible display apparatus of claim 2 , wherein one of distended sections of the first wire trace is aligned next to an indented section of the second wire trace.
4. The flexible display apparatus of claim 1 , wherein each of the first and second wire traces have open space surrounded by portions of the conductive line.
5. The flexible display apparatus of claim 4 , wherein the buffer layer and the passivation layer is absent from the open space.
6. The flexible display apparatus of claim 1 , wherein the passivation layer is patterned according to the conductive line.
7. The flexible display apparatus of claim 6 , wherein the passivation layer is absent from an area between the first wire trace and the second wire trace.
8. The flexible display apparatus of claim 6 , wherein the buffer layer is patterned according to the conductive line.
9. The flexible display apparatus of claim 8 , wherein the buffer layer is etched away around the conductive line.
10. The flexible display apparatus of claim 1 , wherein each of the first and second wire traces includes a reinforced portion at an end and a middle portion connected to the reinforced portion, the reinforced portion having a width wider than a width of the middle portion.
11. The flexible display apparatus of claim 10 , wherein the middle portion of each of the first and second wire traces has open space surrounded by portions of the conductive line but the reinforced portion of each of the first and second wire traces does not include open space.
12. The flexible display apparatus of claim 10 , wherein the reinforced portion is at an end of the bend allowance section.
13. The flexible display apparatus of claim 10 , wherein each of the first and second wire traces includes another reinforced portion at another end, the other reinforced portion having a width wider than a width of the middle portion.
14. The flexible display apparatus of claim 1 , wherein the buffer layer and the passivation layer include silicon oxide or silicon nitride.