Electroluminescent display device

1. An electroluminescent display device comprising:

a substrate having an active area and a non-active area surrounding the active area;

an active bank defining an active emission area at the active area of the substrate;

a dummy bank defining a dummy emission area at the non-active area of the substrate;

an active emission layer provided in the active emission area defined by the active bank; and

a dummy emission layer provided in the dummy emission area defined by the dummy bank, wherein the dummy emission layer has an area larger than the active emission layer,

wherein the dummy emission layer includes a plurality of first dummy emission layers,

wherein the first dummy emission layer and a portion of the dummy bank adjacent to the first dummy emission layer form a first dummy pattern,

wherein the active emission layer includes:

a first active emission layer in a first sub pixel;

a second active emission layer in a second sub pixel; and

a third active emission layer in a third sub pixel, and

wherein the first dummy emission layer has a width identical to a total width of the first to third active emission layers.

2. The electroluminescent display device according to claim 1 , further comprising a gate driver provided at the non-active area of the substrate, wherein the dummy bank and the dummy emission layer are provided on the gate driver.

3. The electroluminescent display device according to claim 1 , wherein the dummy bank surrounds the first dummy emission layer.

4. The electroluminescent display device according to claim 1 , wherein the dummy emission layer includes:

a second dummy emission layer having a bent shape surrounding a corner edge area in the active area of the substrate; and

a plurality of third dummy emission layers having the same shape as the second dummy emission layer and arranged at the non-active area of the substrate.

5. The electroluminescent display device according to claim 4 , wherein, among the plurality of third dummy emission layers, adjacent two of the third dummy emission layers are arranged to face each other as a rectangular shape.

6. The electroluminescent display device according to claim 5 , wherein the dummy bank has the bent shape surrounding the second dummy emission layer and the plurality of third dummy emission layers.

7. The electroluminescent display device according to claim 1 , wherein the dummy emission layer has a stripe shape.

8. The electroluminescent display device according to claim 7 , wherein the dummy bank has the stripe shape and surrounds the dummy emission layer.

9. The electroluminescent display device according to claim 1 , wherein the dummy emission layer includes:

a second dummy emission layer having a bent shape surrounding a corner edge area in the active area of the substrate; and

a plurality of third dummy emission layers having a stripe shape,

wherein the plurality of first dummy emission layers surround the second dummy emission layer; and

wherein the plurality of the third dummy emission layers surrounds the plurality of the first dummy emission layers.

10. The electroluminescent display device according to claim 9 , wherein the dummy bank surrounds the second dummy emission layer, the plurality of the first dummy emission layers and the plurality of the third dummy emission layers.

11. The electroluminescent display device according to claim 2 , wherein the active bank and the dummy bank are formed of an organic insulating material.

12. An electroluminescent display device comprising:

a substrate where an active area and a non-active area are defined, and the active area is an area where an image is displayed and the non-active area surrounds the active area;

an active bank defining an active emission area where emitted light radiates;

a dummy bank defining a dummy emission area where no emitted light radiates;

first, second and third active emission layers disposed in the active emission area defined by the active bank and disposed in first, second and third sub-pixels, respectively; and

a plurality of dummy emission layers disposed in the dummy emission area and each having an area larger than each of the first, second and third active emission layers,

wherein the plurality of dummy emission layers include:

a first dummy emission layer having a width the same as a total width of the first to third active emission layers;

a second dummy emission layer having a bent shape surrounding a corner edge area in the active area;

a third dummy emission layer having a stripe shape and surrounding the first dummy emission layer.

13. The electroluminescent display device according to claim 12 , wherein one of the plurality of dummy emission layers with a portion of the dummy bank adjacent to the one of the plurality dummy emission layers forms a unit dummy pattern.

14. The electroluminescent display device according to claim 12 , wherein the plurality dummy emission layers include a first dummy emission layer and a second dummy emission layer, and

wherein the first dummy emission layer has a bent shape surrounding a corner edge area in the active area of the substrate and the second dummy emission layer has the same shape as the second dummy emission layer and arranged at the non-active area.

15. The electroluminescent display device according to claim 14 , wherein adjacent two of the second dummy emission layers face each other and are arranged to form a rectangular shape.

16. The electroluminescent display device according to claim 15 , wherein the dummy bank has a bent shape surrounding the first dummy emission layer and the second dummy emission layer.

17. The electroluminescent display device according to claim 12 , wherein the dummy emission layer has a stripe shape.

18. The electroluminescent display device according to claim 17 , wherein the dummy bank has the stripe shape and surrounds the dummy emission layer.

19. The electroluminescent display device according to claim 12 , wherein the dummy bank surrounds the first, second and third dummy emission layers.