Display device

1. A display device, comprising:

a substrate which includes an active area including a plurality of pixels and a non-active area which encloses the active area and has a gate driving circuit connected to each pixel;

a low potential voltage line which is disposed closer to an outside of the substrate than the gate driving circuit;

a connection line which is disposed on the gate driving circuit and is electrically connected to the low potential voltage line;

a bank layer which is disposed on the connection line and includes an opening which exposes a partial area of the connection line;

a cathode which is disposed on the bank layer and is in contact with the connection line in the opening;

a spacer having an inverted tapered shape which is disposed on the bank layer to be closer to the outside of the substrate than the opening; and

a shielding layer which overlaps the gate driving circuit on the bank layer.

2. The display device according to claim 1 , wherein the shielding layer is formed of the same material as the cathode.

3. The display device according to claim 1 , wherein the shielding layer and the cathode are electrically separated.

4. The display device according to claim 1 , wherein the shielding layer extends to an outermost periphery of an upper surface of the bank layer.

5. The display device according to claim 1 , wherein a width of a cross-section of an upper portion of the spacer is larger than a width of the cross-section of a lower portion of the spacer so that the cathode is separated from the upper portion of the spacer.

6. The display device according to claim 1 , further comprising:

an encapsulation unit which is disposed on the cathode, the spacer, and the shielding layer; and

a touch panel disposed on the encapsulation unit,

wherein the touch panel includes a touch electrode disposed in the active area and a touch routing line which is connected to the touch electrode and is disposed in the non-active area, the touch routing line overlapping the shielding layer.

7. The display device according to claim 6 , wherein the shielding layer is disposed between the gate driving circuit and the touch routing line.

8. The display device according to claim 6 , further comprising an adhesive layer and a plurality of touch insulating layers, wherein the touch panel is disposed on the plurality of touch insulating layers and bonded onto the encapsulation layer by the adhesive layer.

9. The display device according to claim 8 , wherein the plurality of touch insulating layers include a touch protection layer, a touch interlayer insulating layer on the touch protection layer, a barrier layer on the touch interlayer insulating layer, and a touch planarization layer on the barrier layer.

10. The display device according to claim 1 , wherein the shielding layer is disposed to be closer to the outside of the substrate than the spacer.

11. The display device according to claim 10 , wherein the shielding layer is isolated from the cathode by the spacer.

12. The display device according to claim 1 , wherein the spacer includes:

a first spacer disposed on the bank layer adjacent to the opening; and

a second spacer which is disposed closer to the outside of the substrate than the first spacer.

13. The display device according to claim 12 , further comprising:

an encapsulation unit which is disposed on the cathode, the spacer, and the shielding layer; and

a touch panel disposed on the encapsulation unit,

wherein the touch panel includes a touch electrode disposed in the active area and a touch routing line which is connected to the touch electrode and is disposed in the non-active area and the touch routing line overlaps the shielding layer.

14. The display device according to claim 13 , wherein the touch panel further includes a plurality of touch pads disposed in the non-active area.

15. The display device according to claim 13 ,

wherein the touch routing line overlaps at least any one of the first spacer and the second spacer.

16. A display device, comprising:

a substrate which includes an active area including a plurality of pixels and a non-active area which encloses the active area and has a gate driving circuit connected to each pixel;

a bank layer which is disposed on the active area and the non-active area and defines the plurality of pixels on the active area;

a cathode formed on the plurality of pixels and the bank layer;

a spacer having an inverted tapered shape formed on the bank layer of the non-active area; and

a shielding layer which is formed by a part of the cathode isolated by the spacer to be formed on the bank layer of the non-active area.

17. The display device according to claim 16 , wherein the shielding layer overlaps the gate driving circuit.

18. The display device according to claim 16 , further comprising:

a touch electrode disposed on the active area; and

a touch routing line which is connected to the touch electrode and is formed on the shielding layer to overlap the shielding layer.

19. The display device according to claim 16 , wherein the cathode and the shielding layer are electrically separated.