Display device
A display device includes pixel areas; and a pixel disposed in each of the pixel areas. The pixel includes a first electrode and a second electrode disposed on a substrate and disposed on a same layer, a light emitting element disposed on the first electrode and the second electrode, a third electrode electrically connecting the first electrode to a first end of the light emitting element, a fourth electrode electrically connecting the second electrode to a second end of the light emitting element, and an electrode pattern and the electrode pattern and one of the third electrode and the fourth electrode being disposed on a same layer.
1. A display device comprising:
pixel areas; and
a pixel disposed in each of the pixel areas,
wherein the pixel comprises:
a first electrode and a second electrode disposed on a substrate and disposed on a same layer;
a light emitting element disposed on the first electrode and the second electrode;
a third electrode electrically connecting the first electrode to a first end of the light emitting element;
a fourth electrode electrically connecting the second electrode to a second end of the light emitting element; and
an electrode pattern, the electrode pattern and one of the third electrode and the fourth electrode being disposed on a same layer.
2. The display device according to claim 1 , wherein
the electrode pattern and the third electrode are disposed on a same layer, and
the electrode pattern is electrically insulated from the third electrode.
3. The display device according to claim 1 , wherein
the electrode pattern and the fourth electrode are disposed on a same layer,
the electrode pattern is electrically insulated from the fourth electrode, and
the electrode pattern overlaps at least a portion of the third electrode in a plan view.
4. The display device according to claim 1 , further comprising:
an input sensing controller electrically connected to the electrode pattern, wherein
the electrode pattern is an input sensing electrode, and
the input sensing controller senses an input from an external device based on a signal provided from the electrode pattern.
5. The display device according to claim 4 , further comprising:
a first insulating layer overlapping at least a portion of the first electrode and the second electrode in a plan view, the first insulating layer being disposed between the light emitting element and the substrate, wherein
the first insulating layer comprises:
a first opening exposing at least a portion of the first electrode; and
a second opening exposing at least a portion of the second electrode,
the third electrode electrically contacts the first electrode through the first opening, and
the fourth electrode electrically contacts the second electrode through the second opening.
6. The display device according to claim 5 , further comprising:
a second insulating layer overlapping the third electrode in a plan view, wherein
the electrode pattern and the fourth electrode are disposed on a same layer, and
the electrode pattern is disposed on the second insulating layer.
7. The display device according to claim 5 , further comprising:
a second insulating layer overlapping the third electrode in a plan view, wherein
the electrode pattern and the third electrode are disposed on a same layer, and
the electrode pattern is disposed between the first insulating layer and the second insulating layer.
8. The display device according to claim 5 , wherein the electrode pattern comprises a first electrode pattern and a second electrode pattern spaced apart from each other.
9. The display device according to claim 8 , further comprising:
a connection pattern electrically connecting the first electrode pattern to the second electrode pattern, wherein
the connection pattern and one of the third electrode and the fourth electrode are disposed on a same layer, and
the connection pattern is disposed on a layer different from the first electrode pattern and the second electrode pattern.
10. The display device according to claim 9 , further comprising:
a bank disposed on the substrate along a boundary of the pixel areas,
wherein the connection pattern is disposed on the bank.
11. The display device according to claim 9 , further comprising:
a bank disposed on the substrate along a boundary of the pixel areas,
wherein the connection pattern is disposed between the first insulating layer and the bank.
12. The display device according to claim 9 , further comprising:
a second insulating layer overlapping the third electrode in a plan view, wherein
the second insulating layer comprises a first contactor and a second contactor that overlap the connection pattern in a plan view, and
the electrode pattern is electrically connected to the connection pattern through the first contactor and the second contactor.
13. The display device according to claim 5 , further comprising:
a second insulating layer overlapping the third electrode and the fourth electrode in a plan view, wherein
the third electrode and the fourth electrode are disposed on a same layer, and
the electrode pattern is disposed between the first insulating layer and the second insulating layer.
14. The display device according to claim 13 , further comprising:
a bank disposed on the substrate along a boundary of the pixel areas, and
wherein the electrode pattern is disposed between the bank and the second insulating layer.
15. The display device according to claim 4 , wherein the electrode pattern is disposed in a window shape in a plan view.
16. A display device comprising:
pixel areas;
a pixel disposed in each of the pixel areas; and
an input sensing controller, wherein
the pixel comprises:
a first electrode and a second electrode disposed on a substrate, and disposed on a same layer;
a light emitting elements electrically connected to the first electrode and the second electrode; and
a sensing electrode, the sensing electrode, the first electrode, and the second electrode being disposed on a same layer, and
the input sensing controller is electrically connected to the sensing electrode to sense an input from an external device based on a signal provided from the sensing electrode.
17. The display device according to claim 16 , further comprising:
a first insulating layer overlapping at least a portion of the first electrode and the second electrode in a plan view and disposed between the light emitting element and the substrate;
a third electrode disposed on the first electrode and electrically contacting a first end of the light emitting element; and
a fourth electrode disposed on the second electrode and electrically contacting a second end of the light emitting element, wherein
the first insulating layer comprises:
a first opening exposing at least a portion of the first electrode; and
a second opening exposing at least a portion of the second electrode,
the third electrode electrically contacts the first electrode through the first opening, and
the fourth electrode electrically contacts the second electrode through the second opening.
18. The display device according to claim 16 , wherein
the sensing electrode comprises a metal having a reflectivity, and
the sensing electrode reflects light incident from an outside and emits the light to the outside.
19. The display device according to claim 16 , further comprising:
a dummy electrode, wherein
the dummy electrode, the first electrode, and the second electrode are disposed on a same layer,
the dummy electrode is electrically disconnected from the sensing electrode.
20. A display device comprising:
pixel areas;
a pixel disposed in each of the pixel areas; and
an input sensing controller, wherein
the pixel comprises:
a first electrode and a second electrode disposed on a substrate and disposed on a same layer;
a light emitting element disposed on the first electrode and the second electrode;
a third electrode electrically connecting the first electrode to a first end of the light emitting element;
a fourth electrode electrically connecting the second electrode to a second end of the light emitting element;
a shield electrode disposed between the first electrode and the third electrode; and
a sensing electrode, the sensing electrode and the shield electrode being disposed on a same layer, and
the input sensing controller is electrically connected to the sensing electrode to sense an input from an external device based on a signal provided from the sensing electrode.
21. The display device according to claim 20 , wherein the shield electrode and the sensing electrode are spaced apart from each other, and are electrically disconnected from each other.
22. The display device according to claim 20 , further comprising:
an insulating pattern disposed between the shield electrode and the third electrode, wherein
the shield electrode is electrically disconnected from the third electrode by the insulating pattern, and
the shield electrode is integral with the sensing electrode.