Method for manufacturing light-emitting device
To provide a method for manufacturing a lightweight light-emitting device having a light-emitting region on a curved surface. The light-emitting region is provided on a curved surface in such a manner that a light-emitting element is formed on a flexible substrate supported in a plate-like shape and the flexible substrate deforms or returns.
1. A semiconductor device comprising:
an exterior unit;
a display panel over the exterior unit;
a circuit over the display panel;
a layer comprising metal over the circuit;
a secondary battery over the layer comprising metal; and
a first lid over the secondary battery,
wherein each of the display panel and the circuit is provided in a first space formed between the exterior unit and the layer,
wherein the secondary battery is provided in a second space formed between the layer and the first lid,
wherein the display panel comprises a light-emitting element, and
wherein a light-emitting region of the display panel comprises curved edge portions.
2. The semiconductor device according to claim 1 , wherein the exterior unit comprises any one of metal, glass, and plastic.
3. The semiconductor device according to claim 1 , wherein the display panel comprises a metal plate or a plastic plate.
4. The semiconductor device according to claim 1 , wherein the display panel comprises a uniaxially-stretched substrate.
5. The semiconductor device according to claim 1 , wherein the layer comprising metal is a second lid.
6. The semiconductor device according to claim 1 , wherein the light-emitting element comprises an organic layer between a pair of electrodes.
7. The semiconductor device according to claim 1 ,
wherein the light-emitting element a comprises a first light-emitting layer, a second light-emitting layer, and a third light-emitting layer,
wherein the first light-emitting layer emits blue light,
wherein the second light-emitting layer emits green light, and
wherein the third light-emitting layer emits red light.
8. The semiconductor device according to claim 1 , wherein the light-emitting element comprises a first light-emitting unit which emits blue light and a second light-emitting unit which emits yellow light.
9. The semiconductor device according to claim 1 , wherein the light-emitting element comprises a first light-emitting unit which emits blue-green light and a second light-emitting unit which emits red light.