AMOLED display device and array substrate thereof

1. An array substrate of an AMOLED display device, comprising a baseplate, a surface-shaped power line, a point-shaped power line, and a plurality of insulating layers arranged between the surface-shaped power line and the point-shaped power line,

wherein the surface-shaped power line and the point-shaped power line are configured to provide a positive polarity power source to a light-emitting diode; and

wherein the surface-shaped power line is formed on the baseplate, the point-shaped power line is formed on the plurality of insulating layers, and the surface-shaped power line and the point-shaped power line are electrically connected to each other through a via hole;

further comprising a metal lead wire formed on an edge area thereof, wherein the metal lead wire is used for leading a power source signal to the surface-shaped power line;

wherein the metal lead wire and the point-shaped power line are arranged in a same layer, and the metal lead wire and the surface-shaped power line are electrically connected to each other through a via hole.

2. The array substrate according to claim 1 , wherein the metal lead wire and the surface-shaped power line are arranged in a same layer, and are formed as an integrated structure.

3. The array substrate according to claim 1 , further comprising a TFT corresponding to each sub-pixel unit, wherein the TFT comprises a gate, a source, a drain, and an active layer.

4. The array substrate according to claim 3 , wherein the plurality of insulating layers comprise a first insulating layer, a second insulating layer, and a third insulating layer that are formed from bottom to top in sequence; and

wherein the gate is formed between the first insulating layer and the second insulating layer, and the active layer is formed between the second insulating layer and the third insulating layer.

5. The array substrate according to claim 4 , wherein the source and the drain are arranged in a same layer as the point-shaped power line.

6. The array substrate according to claim 5 , wherein the source and the drain are connected to the active layer through a via hole.

7. The array substrate according to claim 3 , wherein the plurality of insulating layers comprise a first insulating layer, a second insulating layer, and a third insulating layer that are formed from bottom to top in sequence; and

wherein the gate is formed between the second insulating layer and the third insulating layer, and the active layer is formed between the first insulating layer and the second insulating layer.

8. The array substrate according to claim 7 , wherein the source and the drain are arranged in a same layer as the point-shaped power line.

9. The array substrate according to claim 8 , wherein the source and the drain are connected to the active layer through a via hole.

10. An AMOLED display device, comprising an array substrate, which comprises a baseplate, a surface-shaped power line, a point-shaped power line, and a plurality of insulating layers arranged between the surface-shaped power line and the point-shaped power line,

wherein the surface-shaped power line and the point-shaped power line are configured to provide a positive polarity power source to a light-emitting diode; and

wherein the surface-shaped power line is formed on the baseplate, the point-shaped power line is formed on the plurality of insulating layers, and the surface-shaped power line and the point-shaped power line are electrically connected to each other through a via hole;

further comprising a metal lead wire formed on an edge area of the array substrate, wherein the metal lead wire is used for leading a power source signal to the surface-shaped power line;

wherein the metal lead wire and the point-shaped power line are arranged in a same layer, and the metal lead wire and the surface-shaped power line are electrically connected to each other through a via hole.

11. The display device according to claim 10 , wherein the metal lead wire and the surface-shaped power line are arranged in a same layer, and are formed as an integrated structure.

12. The display device according to claim 10 , further comprising a TFT corresponding to each sub-pixel unit, wherein the TFT comprises a gate, a source, a drain, and an active layer.

13. The display device according to claim 12 , wherein the plurality of insulating layers comprise a first insulating layer, a second insulating layer, and a third insulating layer that are formed from bottom to top in sequence; and

wherein the gate is formed between the first insulating layer and the second insulating layer, and the active layer is formed between the second insulating layer and the third insulating layer.

14. The display device according to claim 13 , wherein the source and the drain are arranged in a same layer as the point-shaped power line.

15. The display device according to claim 12 , wherein the plurality of insulating layers comprise a first insulating layer, a second insulating layer, and a third insulating layer that are formed from bottom to top in sequence; and

wherein the gate is formed between the second insulating layer and the third insulating layer, and the active layer is formed between the first insulating layer and the second insulating layer.

16. The display device according to claim 15 , wherein the source and the drain are arranged in a same layer as the point-shaped power line.