Display device and method for manufacturing the same
An object of the present invention is to decrease substantial resistance of an electrode such as a transparent electrode or a wiring, and furthermore, to provide a display device for which is possible to apply same voltage to light-emitting elements. In the invention, a auxiliary wiring that is formed in one layer in which a conductive film of a semiconductor element such as an electrode, wiring, a signal line, a scanning line, or a power supply line is connected to an electrode typified by a second electrode, and a wiring. It is preferable that the auxiliary wiring is formed into a conductive film to include low resistive material, especially, formed to include lower resistive material than the resistance of an electrode and a wiring that is required to reduce the resistance.
1. A display device comprising:
a semiconductor film;
a first insulating film on and in contact with the semiconductor film;
a gate on and in contact with the first insulating film and overlapping with the semiconductor film;
a second insulating film on and in contact with the gate;
a third insulating film over the second insulating film;
a second conductive film and a third conductive film each on and in contact with the third insulating film and electrically connected to the semiconductor film;
a fourth insulating film on and in contact with the second conductive film and the third conductive film;
a fourth conductive film and a fifth conductive film each on and in contact with the fourth insulating film;
a fifth insulating film over the fourth conductive film and the fifth conductive film, the fifth insulating film comprising an opening overlapping with the fifth conductive film;
a light-emitting layer over the fifth insulating film and in contact with the fifth conductive film at the opening of the fifth insulating film; and
a sixth conductive film over the light-emitting layer and the fifth insulating film,
wherein the semiconductor film comprises a portion overlapping with the gate,
wherein the portion of the semiconductor film meanders,
wherein the third conductive film is a power supply line, and
wherein the power supply line overlaps the portion of the semiconductor film.
2. The display device according to claim 1 , wherein the sixth conductive film is on and in contact with the fourth conductive film.
3. The display device according to claim 1 , wherein the fourth conductive film and the sixth conductive film are electrically connected to each other.
4. The display device according to claim 1 , wherein the fourth conductive film functions as an auxiliary wiring of the sixth conductive film.
5. The display device according to claim 1 , wherein the semiconductor film is over a substrate.
6. The display device according to claim 1 , wherein the fourth insulating film comprises an inorganic material.
7. A display device comprising:
a semiconductor film;
a first insulating film on and in contact with the semiconductor film;
a gate on and in contact with the first insulating film and overlapping with the semiconductor film;
a second insulating film on and in contact with the gate;
a third insulating film on and in contact with the second insulating film;
a second conductive film and a third conductive film each on and in contact with the third insulating film and electrically connected to the semiconductor film;
a fourth insulating film on and in contact with the second conductive film and the third conductive film;
a fourth conductive film and a fifth conductive film each on and in contact with the fourth insulating film;
a fifth insulating film on and in contact with the fourth conductive film and the fifth conductive film, the fifth insulating film comprising an opening overlapping with the fifth conductive film;
a light-emitting layer on and in contact with the fifth insulating film and in contact with the fifth conductive film at the opening of the fifth insulating film; and
a sixth conductive film on and in contact with the light-emitting layer and the fifth insulating film,
wherein the semiconductor film comprises a portion overlapping with the gate,
wherein the portion of the semiconductor film meanders,
wherein the third conductive film is a power supply line, and
wherein the power supply line overlaps the portion of the semiconductor film.
8. The display device according to claim 7 , wherein the sixth conductive film is on and in contact with the fourth conductive film.
9. The display device according to claim 7 , wherein the fourth conductive film and the sixth conductive film are electrically connected to each other.
10. The display device according to claim 7 , wherein the fourth conductive film functions as an auxiliary wiring of the sixth conductive film.
11. The display device according to claim 7 , wherein the semiconductor film is over a substrate.
12. The display device according to claim 7 , wherein the fourth insulating film comprises an inorganic material.
13. A display device comprising:
a semiconductor film;
a first insulating film on and in contact with the semiconductor film;
a gate on and in contact with the first insulating film and overlapping with the semiconductor film;
a second insulating film on and in contact with the gate;
a third insulating film over the second insulating film;
a second conductive film and a third conductive film each on and in contact with the third insulating film and electrically connected to the semiconductor film;
a fourth insulating film on and in contact with the second conductive film and the third conductive film;
a fourth conductive film and a fifth conductive film each on and in contact with the fourth insulating film;
a fifth insulating film over the fourth conductive film and the fifth conductive film, the fifth insulating film comprising an opening overlapping with the fifth conductive film;
a light-emitting layer over the fifth insulating film and in contact with the fifth conductive film at the opening of the fifth insulating film; and
a sixth conductive film over the light-emitting layer and the fifth insulating film,
wherein the semiconductor film comprises a portion overlapping with the gate,
wherein the portion of the semiconductor film bends,
wherein the third conductive film is a power supply line, and
wherein the power supply line overlaps the portion of the semiconductor film.
14. The display device according to claim 13 , wherein the sixth conductive film is on and in contact with the fourth conductive film.
15. The display device according to claim 13 , wherein the fourth conductive film and the sixth conductive film are electrically connected to each other.
16. The display device according to claim 13 , wherein the fourth conductive film functions as an auxiliary wiring of the sixth conductive film.
17. The display device according to claim 13 , wherein the semiconductor film is over a substrate.
18. The display device according to claim 13 , wherein the fourth insulating film comprises an inorganic material.
19. A display device comprising:
a semiconductor film;
a first insulating film on and in contact with the semiconductor film;
a gate on and in contact with the first insulating film and overlapping with the semiconductor film;
a second insulating film on and in contact with the gate;
a third insulating film on and in contact with the second insulating film;
a second conductive film and a third conductive film each on and in contact with the third insulating film and electrically connected to the semiconductor film;
a fourth insulating film on and in contact with the second conductive film and the third conductive film;
a fourth conductive film and a fifth conductive film each on and in contact with the fourth insulating film;
a fifth insulating film on and in contact with the fourth conductive film and the fifth conductive film, the fifth insulating film comprising an opening overlapping with the fifth conductive film;
a light-emitting layer on and in contact with the fifth insulating film and in contact with the fifth conductive film at the opening of the fifth insulating film; and
a sixth conductive film on and in contact with the light-emitting layer and the fifth insulating film,
wherein the semiconductor film comprises a portion overlapping with the gate,
wherein the portion of the semiconductor film bends,
wherein the third conductive film is a power supply line, and
wherein the power supply line overlaps the portion of the semiconductor film.
20. The display device according to claim 19 , wherein the sixth conductive film is on and in contact with the fourth conductive film.
21. The display device according to claim 19 , wherein the fourth conductive film and the sixth conductive film are electrically connected to each other.
22. The display device according to claim 19 , wherein the fourth conductive film functions as an auxiliary wiring of the sixth conductive film.
23. The display device according to claim 19 , wherein the semiconductor film is over a substrate.
24. The display device according to claim 19 , wherein the fourth insulating film comprises an inorganic material.