Organic light emitting device
View Patent ↗An organic light emitting device, according to an exemplary embodiment of the present invention, includes a thin film transistor array panel including a pixel electrode, an organic light emitting member formed on the pixel electrode, a common electrode formed on the organic light emitting member, and a storage capacitor including a first conductive layer and a second conductive layer overlapping each other via the organic light emitting member. The first conductive layer may be formed with the same layer as the pixel electrode, and the second conductive layer may be formed with the same layer as the common electrode.
1. An organic light emitting device comprising:
a pixel electrode;
an organic light emitting member formed on the pixel electrode;
a common electrode formed on the organic light emitting member; and
a storage capacitor including a first conductive layer and a second conductive layer overlapping each other,
wherein at least a portion of the organic light emitting member is disposed between the first conductive layer and the second conductive layer; and
wherein each of the first and second conductive layers is different from the common electrode.
2. The organic light emitting device of claim 1 , wherein the first conductive layer is disposed on the same layer as the pixel electrode, and wherein the second conductive layer is disposed on the same layer as the common electrode.
3. The organic light emitting device of claim 2 , wherein the second conductive layer is separated from the common electrode.
4. The organic light emitting device of claim 1 , wherein the second conductive layer is applied with a voltage from an external power source.
5. The organic light emitting device of claim 2 , wherein the second conductive layer is applied with a voltage from an external power source.
6. The organic light emitting device of claim 4 , wherein a voltage difference between the first conductive layer and the second conductive layer is less than a light emitting threshold voltage of the organic light emitting member.
7. The organic light emitting device of claim 5 , wherein a voltage difference between the first conductive layer and the second conductive layer is less than a light emitting threshold voltage of the organic light emitting member.
8. The organic light emitting device of claim 1 , wherein the second conductive layer encloses a portion of the pixel electrode.
9. The organic light emitting device of claim 2 , wherein the second conductive layer encloses a portion of the pixel electrode.
10. The organic light emitting device of claim 1 , comprising:
a gate line;
a data line intersecting the gate line;
a first transistor connected to the gate line and the data line;
a second transistor having a gate electrode connected to a drain electrode of the first transistor;
a third conductive layer connected to the gate electrode of the second transistor, wherein
the second conductive layer contacts the third conductive layer.
11. The organic light emitting device of claim 10 , wherein the first conductive layer is disposed on the same layer as the pixel electrode, and wherein the second conductive layer is disposed on the same layer as the common electrode.
12. The organic light emitting device of claim 10 , wherein the second conductive layer is applied with a voltage from the third conductive layer.
13. The organic light emitting device of claim 11 , wherein the second conductive layer is applied with a voltage from the third conductive layer.
14. The organic light emitting device of claim 11 , wherein the second conductive layer is separated from the common electrode.
15. The organic light emitting device of claim 10 , wherein the second conductive layer encloses a portion of the pixel electrode.
16. The organic light emitting device of claim 11 , wherein the second conductive layer encloses a portion of the pixel electrode.
17. The organic light emitting device of claim 1 , wherein the second conductive layer is made of a transparent conductive material.
18. The organic light emitting device of claim 17 , wherein the second conductive layer includes indium-tin-oxide or indium-zinc-oxide.
19. The organic light emitting device of claim 12 , wherein the second conductive layer includes indium-tin-oxide or indium-zinc-oxide.
20. The organic light emitting device of claim 1 , wherein the organic light emitting member include an organic emission layer and a plurality of auxiliary layers, and wherein at least a portion of the organic emission layer and at least a portion of the plurality of auxiliary layers are disposed between the first conductive layer and the second conductive layer.