Display device
View Patent ↗A display device includes a first substrate arranged with a plurality of pixels on a first surface, the plurality of pixels having a display element including a transistor, and a first wiring connected to the transistor, a through electrode arranged in a first contact hole reaching the first wiring from a second surface facing the first surface of the first substrate, a second wiring connected with the through electrode, a first insulation film arranged covering the second wiring on the second surface of the first substrate, and a terminal connected with a second wiring via a second contact hole arranged in the first insulation film.
1. A display device comprising:
a first layer having a first surface and a second surface, the second surface being an opposite side surface of the first surface of the first layer, the first layer arranged with a plurality of pixels on the first surface of the first layer, the plurality of pixels having a display element including a transistor and a first wiring connected to the transistor;
a second layer having a third surface, the third surface facing the second surface;
a first contact hole reaching the first surface from the second surface;
a first electrode arranged in the first contact hole;
a second contact hole arranged in the second layer;
a second electrode arranged in the second contact hole;
a third contact hole arranged in the second layer; and
a third electrode arranged in the third contact hole, wherein
the transistor is located without overlapping the first wiring in a plan view,
at least a part of the first wiring is located directly on the first contact hole,
the first wiring and the first electrode are connected,
the first electrode reaches the first surface from the second surface,
the first electrode and the second electrode are electrically connected, and
the second electrode and the third electrode are electrically connected.
2. The display device according to claim 1 , further comprising a second wiring in contact with the first electrode and the second electrode.
3. The display device according to claim 2 , wherein
the second wiring is arranged between the first layer and the second layer.
4. The display device according to claim 1 , further comprising a third wiring in contact with the second electrode, wherein
the second contact hole is between the third surface and the third wiring.
5. The display device according to claim 4 , wherein
the third wiring contacts with the third electrode.
6. The display device according to claim 2 , further comprising a third wiring connected with the second wiring, wherein
the second wiring and the third wiring overlap in a plan view.
7. The display device according to claim 6 , wherein
the second contact hole is between the third surface and the third wiring.
8. The display device according to claim 1 , further comprising a fourth wiring in contact with the third electrode.
9. The display device according to claim 4 , further comprising a fourth wiring in contact with the third electrode, wherein
the third electrode is between the third wiring and the fourth wiring.
10. The display device according to claim 1 , wherein
the second layer is an insulation film.
11. The display device according to claim 1 , wherein
the first contact hole and the second contact hole are mutually arranged apart in a plar view.
12. The display device according to claim 1 , wherein
the second layer includes a plurality of layers.
13. The display device according to claim 12 , wherein
the plurality of layers includes an inorganic material.
14. The display device according to claim 1 , wherein
the first contact hole reaches the second surface.
15. The display device according to claim 1 , wherein
the first electrode reaches the first surface.
16. The display device according to claim 15 , wherein
the first electrode and the first wiring are connected on the first surface.