Bendable display device
A display device includes a substrate having a first area, a second area, and a bending area disposed between the first area and the second area. An inner wiring is disposed in the first area. An outer wiring is disposed in the second area. An interlayer insulating layer covers the inner wiring and the outer wiring, and includes a first contact hole. A conductive layer is disposed on the interlayer insulating layer, and is connected to the inner wiring or the outer wiring through the first contact hole. An inorganic protective layer covers at least a portion of the conductive layer and includes an inorganic insulating material.
1. A display device, comprising:
a substrate comprising a display area and a non-display area, the non-display area including a bending area;
a transistor disposed in the display area, the transistor including an active layer and a gate electrode disposed on the active layer;
a display element disposed in the display area and electrically connected to the transistor;
a first conductive layer disposed in the non-display area;
an organic insulating layer disposed in the display area and the non-display area, wherein, in the non-display area, the organic insulating layer is disposed on a top surface of the first conductive layer;
a second conductive layer disposed on the organic insulating layer in the non-display area, wherein the second conductive layer is electrically connected to the first conductive layer; and
an inorganic protective layer including a first portion that is disposed in the non-display area and a second portion that is disposed in the display area,
wherein, in the non-display area, the first portion of the inorganic protective layer is interposed between the top surface of the first conductive layer and a bottom surface of the organic insulating layer, and
wherein, in the display area, the second portion of the inorganic protective layer directly contacts the organic insulating layer and an electrode which is electrically connected to the active layer and is interposed between the electrode which is electrically connected to the active layer and the organic insulating layer.
2. The display device of claim 1 , wherein the second conductive layer extends across the bending area.
3. The display device of claim 2 , further comprising:
a plurality of inorganic insulating layers disposed in the non-display area and having an opening corresponding to the bending area.
4. The display device of claim 3 , wherein the second conductive layer overlaps the opening of the plurality of inorganic insulating layers.
5. The display device of claim 3 , wherein the organic insulating layer overlaps the opening of the plurality of inorganic insulating layers.
6. The display device of claim 3 , wherein the inorganic protective layer has an opening overlapping the opening of the plurality of inorganic insulating layers.
7. The display device of claim 1 , wherein:
the first portion of the inorganic protective layer has a first hole,
the organic insulating layer has a second hole overlapping the first hole, and
a portion of the second conductive layer is in direct contact with a portion of the first conductive layer via the first hole and the second hole.
8. The display device of claim 1 , wherein a portion of the second conductive layer is in direct contact with a portion of the first portion of the inorganic protective layer in the non-display area.
9. The display device of claim 1 , wherein the first conductive layer and the electrode are disposed in a same layer.
10. A display device, comprising:
a substrate comprising a display area and a non-display area, the non-display area including a bending area;
a transistor disposed in the display area, the transistor including an active layer and a gate electrode disposed on the active layer;
a display element disposed in the display area and comprising a first electrode that is electrically connected to the transistor, a second electrode, and an intermediate layer disposed between the first electrode and the second electrode;
a first conductive layer disposed in the non-display area;
a second conductive layer disposed on the first conductive layer in the non-display area, wherein the second conductive layer is electrically connected to the first conductive layer;
an organic insulating layer disposed in the display area and the non-display area, wherein, in the non-display area, a portion of the organic insulating layer is interposed between a portion of the first conductive layer and a portion of the second conductive layer;
an inorganic protective layer including a first portion that is disposed in the non-display area and a second portion that is disposed in the display area; and
a plurality of inorganic insulating layers disposed in the non-display area and having an opening corresponding to the bending area.
11. The display device of claim 10 , wherein the plurality of inorganic insulating layers is interposed between the substrate and the first conductive layer, and
the first conductive layer is interposed between the plurality of inorganic insulating layers and the inorganic protective layer.
12. The display device of claim 11 , wherein the first portion of the inorganic protective layer is between the first conductive layer and the organic insulating layer.
13. The display device of claim 11 , wherein the second portion of the inorganic protective layer is interposed between an electrode that is electrically connected to the active layer and the organic insulating layer.
14. The display device of claim 13 , wherein a portion of the second portion of the inorganic protective layer is in direct contact with the electrode that is electrically connected to the active layer.
15. The display device of claim 13 , wherein the electrode and the first conductive layer are disposed in a same layer.
16. The display device of claim 11 , wherein the inorganic protective layer has an opening overlapping the opening of the plurality of inorganic insulating layers.
17. The display device of claim 10 , wherein:
the first portion of the inorganic protective layer has a first hole,
the organic insulating layer has a second hole overlapping the first hole, and
a portion of the second conductive layer is in direct contact with a portion of the first conductive layer via the first hole and the second hole.
18. The display device of claim 10 , wherein the second conductive layer overlaps the opening of the plurality of inorganic insulating layers.
19. The display device of claim 10 , wherein the organic insulating layer overlaps the opening of the plurality of inorganic insulating layers.
20. The display device of claim 10 , wherein a portion of the second conductive layer is in direct contact with a portion of the first portion of the inorganic protective layer in the non-display area.