Fan-out structure and display panel using the same
A display panel comprising a fan-out structure located in a peripheral region is provided. The peripheral region has two border regions and a central region. The fan-out structure of the peripheral region comprises a plurality of first fan-out wires and a plurality of second fan-out wires alternatively arranged with the first fan-out wires. In the border regions, resistance of the first fan-out wire is lower than that of the adjacent second fan-out wire. In the central region, resistance of the first fan-out wire is higher than that of the adjacent second fan-out wire.
1. A display panel comprising a substrate and a fan-out structure, wherein the fan-out structure is disposed on a peripheral region of the substrate, the peripheral region under the fan-out structure comprises two border regions and a central region disposed between the two border regions, and the fan-out structure comprises:
a plurality of first fan-out wires; and
a plurality of second fan-out wires alternatively arranged with the first fan-out wires,
wherein in the border regions, electrical resistance of a first fan-out wire is higher than electrical resistance of an adjacent second fan-out wire,
wherein in the central region, electrical resistance of a first fan-out wire is higher than electrical resistance of an adjacent second fan-out wire.
2. The display panel according to claim 1 , wherein in the central region, at least one of the first fan-out wires has a meander-shaped pattern, at least one of the adjacent second fan-out wires has a meander-shaped pattern, and an area of the first fan-out wire with its meander-shaped pattern is larger than an area of the adjacent second fan-out wire with its meander-shaped pattern.
3. The display panel according to claim 1 , wherein in the central region, length of at least one of the first fan-out wires is larger than length of at least one of the adjacent second fan-out wires.
4. The display panel according to claim 1 , wherein the first fan-out wires have a first wire width, the adjacent second fan-out wires have a second wire width, and the first wire width is larger than the second wire width.
5. The display panel according to claim 1 , wherein a RC product of the first fan-out wires is different from a RC product of the adjacent second fan-out wires.
6. The display panel according to claim 1 , wherein the fan-out structure is located between at least one driving element and a display region on the substrate.
7. The display panel according to claim 1 , wherein the first fan-out wires are electrically connected to a plurality of main gates, and the second fan-out wires are electrically connected to a plurality of charge sharing gates.
8. The display panel according to claim 1 , wherein electrical resistance variance between the first fan-out wires is between ±1%.
9. The display panel according to claim 1 , wherein electrical resistance variance between the second fan-out wires is larger than electrical resistance between the first fan-out wires.
10. The display panel according to claim 1 , wherein electrical resistance of some of the second fan-out wires in the border regions is larger than electrical resistance of some of the second fan-out wires in the central region.