Organic light-emitting diode (OLED) display and method of manufacturing the same
An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a lower substrate including a display area and a non-display area surrounding the display area, wherein a plurality of pixels are formed in the display area. The OLED display also includes an embedded circuit formed in the configured to apply a plurality of signals to the pixels, and an initialization wiring formed in the non-display area and configured to apply an initialization voltage to each of the pixels. The initialization circuit is formed in a layer so as to at least partially overlap with the area of the embedded circuit.
1. An organic light-emitting diode display, comprising:
a substrate comprising a display area and a non-display area surrounding the display area;
a pixel disposed in the display area, the pixel comprising:
a pixel circuit,
a first electrode which is electrically connected to the pixel circuit,
an intermediate layer disposed on the first electrode and including an organic emission layer, and
a second electrode disposed on the intermediate layer;
a first wiring disposed in the non-display area, the first wiring electrically connected to the second electrode; and
a second wiring disposed in the non-display area and different from the first wiring, the second wiring electrically connected to the pixel circuit, wherein the second wiring comprises a first layer,
wherein the first layer and the first electrode directly contact a selected surface of the same layer, and
wherein the first layer is formed of the same material as the first electrode.
2. The organic light-emitting diode display of claim 1 , wherein the second wiring is disposed between the first wiring and the pixel in a plan-view.
3. The organic light-emitting diode display of claim 1 , wherein the second wiring is configured to transmit an initialization voltage to the pixel, the initialization voltage configured to initialize the pixel.
4. The organic light-emitting diode display of claim 1 , wherein the pixel circuit comprises a first transistor and a second transistor, the first transistor is electrically connected to the first electrode and the second transistor is electrically connected to the second wiring.
5. The organic light-emitting diode display of claim 1 , further comprising a connection unit in the non-display area, wherein the second electrode is extended to the non-display area, the connection unit electrically connects the first wiring with the second electrode and the connection unit comprises a second layer which is the same layer as the first layer.
6. The organic light-emitting diode display of claim 5 , wherein the first wiring comprises a third layer which is disposed between the first layer and the substrate in a cross-sectional view.
7. The organic light-emitting diode display of claim 6 , wherein the second wiring further comprises a fourth layer disposed between the first layer and the substrate, the fourth layer electrically connected to first layer and a first insulation layer disposed between the first layer and the fourth layer.
8. The organic light-emitting diode display of claim 6 , further comprising an embedded circuit unit in the non-display area, the embedded circuit unit overlaps with the second wiring in a plan view.
9. The organic light-emitting diode display of claim 5 , wherein the extended second electrode is overlapped with the second wiring in a plan view.
10. The organic light-emitting diode display of claim 9 , wherein the second wiring further comprises a fourth layer disposed between the first layer and the substrate, the fourth layer electrically connected to the first layer and a first insulation layer disposed between the first layer and the fourth layer.
11. The organic light-emitting diode display of claim 9 , further comprising an embedded circuit unit in the non-display area, the embedded circuit unit overlaps with the second wiring in a plan view.
12. The organic light-emitting diode display of claim 5 , wherein the second wiring further comprises a fourth layer disposed between the first layer and the substrate, the fourth layer electrically connected to the first layer and a first insulation layer disposed between the first layer and the fourth layer.
13. The organic light-emitting diode display of claim 12 , further comprising an embedded circuit unit in the non-display area, the embedded circuit unit overlaps with the second wiring in a plan view.
14. The organic light-emitting diode display of claim 1 , wherein the second wiring further comprises a fourth layer disposed between the first layer and the substrate, the fourth layer electrically connected to the first layer and a first insulation layer disposed between the first layer and the fourth layer.
15. The organic light-emitting diode display of claim 14 , wherein the first wiring comprises a third layer which is disposed between the first layer and the substrate in a cross-sectional view, wherein the fourth layer is the same layer as the third layer.
16. The organic light-emitting diode display of claim 14 , further comprising an embedded circuit unit in the non-display area, the embedded circuit unit overlaps with the second wiring in a plan view.
17. The organic light-emitting diode display of claim 1 , further comprising an embedded circuit unit in the non-display area, the embedded circuit unit overlaps with the second wiring in a plan view.
18. An organic light-emitting diode display, comprising:
a substrate comprising a display area and a non-display area surrounding the display area;
a pixel disposed in the display area, the pixel comprising:
a pixel circuit,
a first electrode which is electrically connected to the pixel circuit,
an intermediate layer disposed on the first electrode and including an organic emission layer, and
a second electrode disposed on the intermediate layer;
a first wiring disposed in the non-display area, the first wiring electrically connected to the second electrode;
a second wiring disposed in the non-display area and different from the first wiring, the second wiring electrically connected to the pixel circuit, wherein the second wiring comprises a first layer; and
a connection unit in the non-display area, wherein the second electrode is extended to the non-display area,
wherein the connection unit electrically connects the first wiring with the second electrode and the connection unit comprises a second layer,
wherein the first layer and the second layer directly contact a selected surface of the same layer, and
wherein the first layer is formed of the same material as the connection unit.
19. The organic light-emitting diode display of claim 18 , wherein the first wiring comprises a third layer which is disposed between the first layer and the substrate in a cross-sectional view.
20. The organic light-emitting diode display of claim 18 , wherein the extended second electrode is overlapped with the second wiring in a plan view.
21. The organic light-emitting diode display of claim 20 , wherein the first wiring comprises a third layer which is disposed between the first layer and the substrate in a cross-sectional view.
22. The organic light-emitting diode display of claim 18 , wherein the second wiring further comprises a fourth layer disposed between the first layer and the substrate, the fourth layer electrically connected to the first layer and a first insulation layer disposed between the first layer and the fourth layer.
23. The organic light-emitting diode display of claim 22 , wherein the first wiring comprises a third layer which is disposed between the first layer and the substrate in a cross-sectional view, wherein the fourth layer is the same layer as the third layer.
24. The organic light-emitting diode display of claim 22 , further comprising an embedded circuit unit in the non-display area, the embedded circuit unit overlaps with the second wiring in a plan view.
25. An organic light-emitting diode display, comprising:
a substrate comprising a display area and a non-display area surrounding the display area;
a pixel disposed in the display area, the pixel comprising:
a pixel circuit,
a first electrode which is electrically connected to the pixel circuit,
an intermediate layer disposed on the first electrode and including an organic emission layer, and
a second electrode disposed on the intermediate layer;
a first wiring disposed in the non-display area, the first wiring electrically connected to the second electrode;
a second wiring disposed in the non-display area and different from the first wiring, the second wiring electrically connected to the pixel circuit, wherein the second wiring comprises a first layer; and
an embedded circuit unit in the non-display area, the embedded circuit unit overlaps with the second wiring in a plan view,
wherein the first layer and the first electrode directly contact a selected surface of the same layer, and
wherein the first layer is formed of the same material as the first electrode.