Array substrate and display device
According to one embodiment, an array substrate includes a semiconductor layer, a first electrode in contact with the semiconductor layer, a second electrode separated from the first electrode and in contact with the semiconductor layer, a first insulating layer which covers the first electrode and the second electrode, a gate electrode disposed above the first insulating layer and opposing the semiconductor layer, and the semiconductor layer comprising an aperture located between the first electrode and the second electrode in plan view.
1. An array substrate comprising:
a semiconductor layer;
a first electrode in contact with the semiconductor layer;
a second electrode separated from the first electrode and in contact with the semiconductor layer;
a first insulating layer which covers the first electrode and the second electrode;
a second insulating layer disposed below the first insulating layer and covering the semiconductor layer; and
a gate electrode disposed above the first insulating layer and opposing the semiconductor layer,
wherein
the semiconductor layer comprises an aperture located between the first electrode and the second electrode in plan view,
the second insulating layer includes a first aperture and a second aperture that overlap the semiconductor layer,
the first electrode is in contact with the semiconductor layer via the first aperture, and
the second electrode is in contact with the semiconductor layer via the second aperture.
2. The array substrate of claim 1 , further comprising:
a scanning line located below the semiconductor layer and connected to the gate electrode;
wherein
the semiconductor layer overlaps the gate electrode and the scanning line.
3. The array substrate of claim 1 , wherein
the gate electrode overlaps the aperture.
4. The array substrate of claim 1 , wherein
the first electrode and the second electrode are aligned along a first direction,
the semiconductor layer includes:
a first region in contact with the first electrode;
a second region in contact with the second electrode; and
a first channel region and a second channel region, located between the first region and the second region along a first direction, and aligned along a second direction that intersects the first direction, and
the aperture is located between the first channel region and the second channel region along the second direction.
5. The array substrate of claim 4 , wherein
a width of the aperture along the first direction is greater than a distance between the aperture and the first region along the first direction.
6. The array substrate of claim 4 , wherein
a width of the aperture along the first direction is greater than a distance between the aperture and the second region along the first direction.
7. The array substrate of claim 4 , wherein
a width of the aperture along the second direction is less than a width of the first channel region or the second channel region along the second direction.
8. The array substrate of claim 4 , wherein
the semiconductor layer comprises a plurality of apertures including the aperture, aligned along the second direction.
9. The array substrate of claim 1 , wherein
the aperture of the semiconductor layer overlaps the second insulating layer.
10. The array substrate of claim 1 , wherein
the semiconductor layer includes a first channel region and a second channel region, covered by the second insulating layer, and
the aperture of the semiconductor layer is located between the first channel region and the second channel region in plan view.
11. The array substrate of claim 1 , wherein
the aperture of the semiconductor layer is located between the first aperture and the second aperture in plan view.
12. The array substrate of claim 1 , wherein
the first electrode and the second electrode are aligned along a first direction, and
the semiconductor layer has a shape elongated along a second direction that intersects the first direction.
13. The array substrate of claim 12 , wherein
the aperture has a shape elongated along the first direction.
14. A display device comprising:
an array substrate of claim 1 ;
a counter substrate opposing the array substrate; and
a display functional layer disposed between the array substrate and the counter substrate.
15. The display device of claim 14 , wherein
the array substrate comprises a pixel electrode connected to the second electrode, and
the counter substrate comprises a common electrode opposing the pixel electrode.
16. The display device of claim 14 , wherein
the display functional layer is an electrophoretic layer.
17. An array substrate comprising:
a semiconductor layer;
a first electrode in contact with the semiconductor layer;
a second electrode separated from the first electrode and in contact with the semiconductor layer;
a first insulating layer which covers the first electrode and the second electrode;
a gate electrode disposed above the first insulating layer and opposing the semiconductor layer, and
a scanning line located below the semiconductor layer, connected to the gate electrode, and extending along a first direction,
wherein
the first electrode and the second electrode are aligned along the first direction,
the semiconductor layer comprises:
a first side and a second side parallel to a second direction that intersects the first direction;
a third side and a fourth side parallel to the first direction; and
an aperture between the first electrode and the second electrode in plan view, and
the scanning line comprises a protruding portion protruding towards the third side at a position overlapping the semiconductor layer.
18. The array substrate of claim 17 , wherein
the gate electrode comprises a wide portion overlapping the semiconductor layer, and
the wide portion overlaps the aperture, the third side and the fourth side.
19. A display device comprising:
an array substrate of claim 17 ;
a counter substrate opposing the array substrate; and
a display functional layer disposed between the array substrate and the counter substrate.
20. The display device of claim 19 , wherein
the array substrate comprises a pixel electrode connected to the second electrode, and
the counter substrate comprises a common electrode opposing the pixel electrode.
21. The display device of claim 19 , wherein
the display functional layer is an electrophoretic layer.