Display device

1. A display device comprising:

a substrate having an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area;

a transistor and a light emitting element on the substrate;

an encapsulation layer on the light emitting element;

a first touch insulating layer on the encapsulation layer;

an overcoat layer on the first touch insulating layer, and defining a first opening;

a cover layer filling the first opening; and

a first portion of a touch electrode directly contacting the first touch insulating layer to be directly on the first touch insulating layer,

wherein at least one of the overcoat layer and the cover layer extends from the display area to the peripheral area,

wherein the substrate comprises a depression pattern that is filled by the overcoat layer or the cover layer.

2. The display device of claim 1 , wherein the overcoat layer extends from the display area to the peripheral area, and contacts the encapsulation layer in the peripheral area.

3. The display device of claim 1 , wherein the overcoat layer at least partially fills the depression pattern.

4. The display device of claim 1 , wherein the display device further comprises a second touch insulating layer between the first touch insulating layer and the overcoat layer.

5. The display device of claim 4 , wherein the first touch insulating layer and the second touch insulating layer overlap the display area, and are spaced apart from the peripheral area.

6. A display device comprising:

a substrate having an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area, and defining a depression pattern at the peripheral area;

a transistor and a light emitting element on the substrate;

an encapsulation layer on the light emitting element;

a touch insulating layer on the encapsulation layer;

a light blocking pattern and a color filter on the touch insulating layer;

a first overcoat layer on the color filter; and

a cover layer on the first overcoat layer,

wherein at least one of the light blocking pattern, the color filter, the first overcoat layer, or the cover layer overlaps the depression pattern, and

wherein the first overcoat layer is directly on the color filter, and extends from the display area to the peripheral area.

7. A display device comprising:

a substrate having an opening area, a peripheral area surrounding the opening area, and a display area surrounding the peripheral area, and defining a depression pattern at the peripheral area;

a transistor and a light emitting element on the substrate;

an encapsulation layer on the light emitting element;

a touch insulating layer on the encapsulation layer;

a light blocking pattern and a color filter on the touch insulating layer;

a first overcoat layer on the color filter; and

a cover layer on the first overcoat layer,

wherein at least one of the light blocking pattern, the color filter, the first overcoat layer, or the cover layer overlaps the depression pattern,

wherein the display device further comprises a second overcoat layer between the color filter and the first overcoat layer, and

wherein the second overcoat layer extends from the display area to the peripheral area, and contacts the encapsulation layer in the peripheral area.

8. The display device of claim 7 , wherein the second overcoat layer at least partially fills the depression pattern.

9. The display device of claim 6 , wherein the first overcoat layer at least partially fills the depression pattern.

10. The display device of claim 6 , wherein the first overcoat layer defines a groove overlapping the display area, and

wherein the cover layer at least partially fills the groove.

11. The display device of claim 6 , wherein a thickness of a portion of the first overcoat layer overlapping the color filter in the display area is less than a thickness of a portion of the first overcoat layer overlapping the light blocking pattern.

12. The display device of claim 6 , wherein the display device comprises a first auxiliary color filter, a second auxiliary color filter, and a third auxiliary color filter at the peripheral area, and overlapping each other along a thickness direction thereof.

13. The display device of claim 12 , wherein the first auxiliary color filter comprises red color filter,

wherein the second auxiliary color filter comprises green color filter,

wherein the third auxiliary color filter comprises blue color filter, and

wherein the second auxiliary color filter, the third auxiliary color filter, and the first auxiliary color filter are sequentially stacked at the peripheral area.

14. The display device of claim 12 , further comprising a second overcoat layer between the color filter and the first overcoat layer.

15. The display device of claim 12 , wherein one of the first auxiliary color filter, the second auxiliary color filter, and the third auxiliary color filter at least partially fills the depression pattern.

16. The display device of claim 6 , further comprising an auxiliary light blocking pattern at the peripheral area.

17. The display device of claim 16 , wherein the auxiliary light blocking pattern at least partially fills the depression pattern.

18. The display device of claim 12 , wherein the display device further comprises an adhesive layer and a cover window that are-on the cover layer.

19. The display device of claim 1 , wherein the touch electrode comprises a sensing electrode, a driving electrode, and a bridge electrode, and

wherein the first portion of the touch electrode comprises the bridge electrode.

20. The display device of claim 19 , further comprising another driving electrode,

wherein the driving electrode is adjacent to the another driving electrode, and is electrically connected to the another driving electrode through the bridge electrode.