Array substrate and display device

1. An array substrate, comprising a base substrate, the base substrate comprising a display area, the display area provided with a plurality of first signal lines and a plurality of second signal lines, the plurality of first signal lines and the plurality of second signal lines intersecting to define a plurality of pixel units, and the plurality of first signal lines being substantially radially distributed,

wherein each of the plurality of second signal lines comprises a body part, a shape of the body part matches a shape formed by an outer edge of the display area, and the body parts of the plurality of second signal lines are successively distributed outwards by taking a radiation center of the plurality of first signal lines radially distributed as a center.

2. The array substrate according to claim 1 , wherein

the plurality of first signal lines comprises any of a straight line type, a broken line type or a curve type; or

the plurality of first signal lines comprises any combination of the straight line type, the broken line type and the curve type.

3. The array substrate according to claim 1 , wherein the shape formed by the outer edge of the display area is a regular shape, the radiation center is a center of the regular shape, and the shapes formed by the body parts of the plurality of second signal lines are similar shapes being concentric and having different areas.

4. The array substrate according to claim 3 , wherein

the regular shape is a circle,

the body part of each of the plurality of second signal lines is a circle or arc,

the body parts of the plurality of second signal lines are concentric circles having different radii or concentric arcs having different curvature radii, and

the radiation center is the center of the circle.

5. The array substrate according to claim 4 , wherein

differences between the radii of every two adjacent concentric circles or differences between the curvature radii of every two adjacent concentric arcs are different.

6. The array substrate according to claim 5 , wherein

the differences between the radii or the differences between the curvature radii gradually decrease in a direction extending from the center of the circle to the outer edge of the display area.

7. The array substrate according to claim 4 , wherein

proportions of the radii or curvature radii of the body parts of the plurality of second signal lines successively distributed in a direction extending from the center of the circle to the outer edge satisfy a following condition:

√{square root over (1)}:√{square root over (2)}:√{square root over (3)}:2 . . . √{square root over (n)}, where n is a number of the plurality of second signal lines.

8. The array substrate according to claim 1 , wherein the plurality of pixel units have a substantially identical area.

9. The array substrate according to claim 1 , wherein the pixel units are triangular, rectangular, trapezoidal or sector-ringed.

10. The array substrate according to claim 1 , wherein

a distribution density of the body parts of the plurality of second signal lines gradually decreases in a direction extending from a center of the shape formed by the outer edge to the outer edge.

11. The array substrate according to claim 1 , wherein

widths of the body parts of the plurality of second signal lines gradually increase in a direction extending from a center of the shape formed by the outer edge to the outer edge.

12. The array substrate according to claim 1 , wherein one of the first signal line and the second signal line is a gate line, and a remaining one of the first signal line and the second signal line is a data line.

13. A display device, comprising the array substrate according to claim 1 .

14. The display device according to claim 13 , wherein the plurality of second signal lines is made of an identical material or different materials.

15. The display device according to claim 13 , further comprising:

a non-display area; and

a drive circuit,

the drive circuit is arranged in the non-display area and in a region of the non-display area surrounded by the display area, a radiation center of the plurality of first signal lines is located in the region of the non-display area surrounded by the display area.

16. The display device according to claim 15 , wherein the drive circuit comprises a first signal line drive circuit and/or a second signal line drive circuit.

17. The display device according to claim 16 , wherein

each of the plurality of second signal lines further comprises a lead part, and

a body part of each of the plurality of second signal lines is connected with the second signal line drive circuit through the lead part corresponding to the body part.

18. The display device according to claim 17 , wherein

the body part and the lead part of each of the plurality of second signal lines are made of an identical material and at a same layer through one patterning process.

19. The display device according to claim 17 , wherein the body part and the lead part of each of the plurality of second signal lines are arranged at different layers and connected through a via hole.

20. A display device comprising:

an array substrate, comprising a base substrate, the base substrate comprising a display area, the display area provided with a plurality of first signal lines and a plurality of second signal lines, the plurality of first signal lines and the plurality of second signal lines intersecting to define a plurality of pixel units, and the plurality of first signal lines being substantially radially distributed:

a non-display area; and

a drive circuit,

the drive circuit is arranged in the non-display area and in a region of the non-display area surrounded by the display area, a radiation center of the plurality of first signal lines is located in the region of the non-display area surrounded by the display area.