Light-emitting device and electronic device
View Patent ↗An object is to provide a light-emitting device having a structure in which an external connection portion can easily be connected and a method for manufacturing the light-emitting device. A light-emitting device includes a lower support 110 , a base insulating film 112 over the lower support 110 which has a through-hole 130 , a light-emitting element 127 over the base insulating film 112 , and an upper support 122 over the light-emitting element 127 . An electrode 131 is provided in the through-hole 130 , and the external connection terminal 132 electrically connected to the electrode 131 is provided below the base insulating film 112 . The external connection terminal 132 is electrically connected to the external connection portion 133 and functions as a terminal that inputs a signal or a power supply into the light-emitting device. This light-emitting device has a structure in which an external connection portion can easily be connected.
1. A light-emitting device comprising:
a first support;
a first insulating film over the first support, wherein the first insulating film has a through-hole;
a thin film transistor over the first insulating film;
a second insulating film over the thin film transistor;
a second support over the second insulating film;
an adhesive layer between the second insulating film and the second support;
an electrode over the second insulating film and in the through-hole; and
an external connection portion below the first insulating film and electrically connected to the electrode,
wherein the electrode is in contact with the adhesive layer.
2. A light-emitting device comprising:
a first support;
an insulating film over the first support, wherein the insulating film has a through-hole;
a thin film transistor over the insulating film, wherein the thin film transistor includes a semiconductor layer, a gate insulating film and a gate electrode;
a second support over the thin film transistor;
an adhesive layer between the thin film transistor and the second support;
an electrode on the gate insulating film and in the through-hole; and
an external connection portion below the insulating film and electrically connected to the electrode,
wherein the electrode is in contact with the adhesive layer.
3. A light-emitting device comprising:
a first support;
an insulating film over the first support, wherein the insulating film has a through-hole;
a light-emitting element over the insulating film;
a second support over the light-emitting element;
an adhesive layer between the light-emitting element and the second support;
an electrode in the through-hole;
an external connection terminal below the insulating film and electrically connected to the electrode; and
an external connection portion electrically connected to the external connection terminal,
wherein the electrode is in contact with the adhesive layer.
4. A light-emitting device comprising:
a first support;
an insulating film over the first support, wherein the insulating film has a through-hole;
a light-emitting element over the insulating film;
a second support over the light-emitting element;
an adhesive layer between the light-emitting element and the second support;
an electrode in the through-hole; and
an external connection portion below the insulating film and electrically connected to the electrode,
wherein the electrode is in contact with the adhesive layer.
5. The light-emitting device according to any one of claims 1 to 4 , wherein the first support and the second support are flexible.
6. The light-emitting device according to any one of claims 1 to 4 , wherein the first support is provided so as to expose the electrode in the through-hole.
7. The light-emitting device according to any one of claims 1 to 4 , further comprising a protective member below the first support and the external connection portion.
8. The light-emitting device according to any one of claims 1 to 4 , wherein the first support has a notch portion so as to expose the electrode in the through-hole.
9. The light-emitting device according to any one of claims 1 to 4 , wherein the first support has an opening portion so as to expose the electrode in the through-hole.
10. The light-emitting device according to any one of claims 1 to 4 ,
wherein a distance between a third side of the first support which is close to the external connection portion and a fourth side of the first support which is opposite to the third side is shorter than a distance between a first side of the light-emitting device which is close to the external connection portion and a second side of the light-emitting device which is opposite to the first side.
11. The light-emitting device according to any one of claims 1 to 4 , wherein the first support covers at least part of the external connection portion.
12. An electronic device comprising the light-emitting device according to any one of claims 1 to 4 .