OLED with capacitor electrode on bank
According to one embodiment, a display device including a first lower electrode, a second lower electrode, a first wiring that is disposed between the first lower electrode and the second lower electrode, a second insulation layer that is disposed on the first wiring, a first organic layer that is disposed on the first lower electrode, a second organic layer that is disposed on the second lower electrode, a first upper electrode that is disposed on the first organic layer, a second upper electrode that is disposed on the second organic layer, and a second wiring that is disposed on the second insulation layer, opposed to the first wiring, and forms a capacitance between the first wiring and the second wiring.
1. A display device comprising:
a base;
a first insulation layer that is disposed on the base;
a first lower electrode that is disposed on the first insulation layer;
a second lower electrode that is disposed on the first insulation layer, separated from the first lower electrode, and formed of a same material as that of the first lower electrode;
a first wiring that is disposed between the first lower electrode and the second lower electrode;
a second insulation layer that is disposed on the first wiring;
a first organic layer that is disposed on the first lower electrode and includes a light emitting layer;
a second organic layer that is disposed on the second lower electrode and includes the light emitting layer;
a first upper electrode that is disposed on the first organic layer;
a second upper electrode that is disposed on the second organic layer;
a second wiring that is disposed on the second insulation layer, opposed to the first wiring, and forms a capacitance between the first wiring and the second wiring;
a third organic layer that is disposed on the second wiring, separated from the first organic layer and the second organic layer, and includes the light emitting layer; and
a third upper electrode that is disposed on the third organic layer and separated from the first upper electrode and the second upper electrode.
2. The display device according to claim 1 , wherein the first wiring is disposed on the first insulation layer.
3. The display device according to claim 1 , wherein the first wiring, the first lower electrode, and the second lower electrode are formed of a same material.
4. The display device according to claim 1 , wherein the first upper electrode and the second upper electrode are in contact with the second wiring.
5. The display device according to claim 1 , wherein the second wiring is formed by a low resistance metal wiring.
6. The display device according to claim 1 , wherein
a cross section of the second insulation layer is formed in a semicircular shape, and
the second wiring is disposed to be curved along a shape of the second insulation layer.
7. The display device according to claim 1 , wherein
the second insulation layer includes a recess portion in a portion opposed to the first wiring, and
the second wiring is disposed in the recess portion.
8. The display device according to claim 1 , wherein
a part of the first organic layer is disposed on the second insulation layer and is in contact with the second wiring, and
a part of the second organic layer is disposed on the second insulation layer and is in contact with the second wiring.
9. The display device according to claim 1 , wherein the first wiring is formed of a transparent conductive material.
10. The display device according to claim 9 , wherein the first wiring is formed of indium tin oxide or indium zinc oxide.