Light-emitting device

1. A light-emitting device comprising:

a first electrode and a second electrode over an insulating layer;

a partition between the first electrode and the second electrode, the partition positioned over the insulating layer;

a projecting object over the partition;

a first light-emitting unit over the first electrode, the partition, the projecting object, and the second electrode;

an intermediate layer over the first light-emitting unit;

a second light-emitting unit over the intermediate layer; and

a third electrode over the second light-emitting unit,

wherein a recess is formed by a side surface of the projecting object and a side surface of the partition,

wherein a distance between a first point and a second point is greater than a total thickness of the first light-emitting unit and the intermediate layer which are positioned over the first electrode and is smaller than or equal to a total thickness of the first light-emitting unit, the intermediate layer, the second light-emitting unit, and the third electrode which are positioned over the first electrode,

wherein the first point is the most protruded point of the projecting object in a direction parallel to a surface on which the partition is formed, and

wherein the second point is a point of intersection of a surface of the partition with a first line which is drawn perpendicular to the surface on which the partition is formed from the first point.

2. A light-emitting device comprising:

a first electrode and a second electrode over an insulating layer;

a structure having a two-layer structure of a first layer and a second layer over the first layer, the structure being over the insulating layer;

a first light-emitting unit over the first electrode, the structure, and the second electrode;

an intermediate layer over the first light-emitting unit;

a second light-emitting unit over the intermediate layer; and

a third electrode over the second light-emitting unit,

wherein the first layer includes a cusp,

wherein a distance between a first point and a second point is greater than a total thickness of the first light-emitting unit and the intermediate layer which are positioned over the first electrode and is smaller than or equal to a total thickness of the first light-emitting unit, the intermediate layer, the second light-emitting unit, and the third electrode which are positioned over the first electrode,

wherein the first point is the most protruded point of the second layer in a direction parallel to a surface on which the first layer is formed, and

wherein the second point is a point of intersection of a surface of the first layer with a first line which is drawn perpendicular to the surface on which the first layer is formed from the first point.

3. The light-emitting device according to claim 1 , further comprising a space between the partition and the side surface of the projecting object.

4. The light-emitting device according to claim 1 , wherein the first light-emitting unit and the intermediate layer are disconnected at the projecting object.

5. The light-emitting device according to claim 1 , wherein an end portion of the projecting object is positioned over a surface of the partition which is inclined with respect to a surface on which the partition is formed.

6. The light-emitting device according to claim 1 , wherein the recess has a convex portion on the partition.

7. The light-emitting device according to claim 1 ,

wherein a distance between the first point and a third point is smaller than a thickness of the third electrode, and

wherein the third point is a point of intersection of a surface of the second light-emitting unit with the first line.

8. The light-emitting device according to claim 1 , wherein the first light-emitting unit comprises a carrier injection layer.

9. The light-emitting device according to claim 1 , further comprising:

a first color filter over the first electrode; and

a second color filter over the second electrode,

wherein a color of the first color filter is different from a color of the second color filter.

10. The light-emitting device according to claim 1 , wherein the partition includes a light absorption material colored in brown.

11. The light-emitting device according to claim 2 , further comprising a space between the first layer and a side surface of the second layer.

12. The light-emitting device according to claim 2 , wherein the first light-emitting unit and the intermediate layer are disconnected at the second layer.

13. The light-emitting device according to claim 2 ,

wherein a distance between the first point and a third point is smaller than a thickness of the third electrode, and

wherein the third point is a point of intersection of a surface of the second light-emitting unit with the first line.

14. The light-emitting device according to claim 2 , wherein the first light-emitting unit comprises a carrier injection layer.

15. The light-emitting device according to claim 2 , further comprising:

a first color filter over the first electrode; and

a second color filter over the second electrode,

wherein a color of the first color filter is different from a color of the second color filter.

16. The light-emitting device according to claim 2 , wherein the first layer includes a light absorption material colored in brown.

17. The light-emitting device according to claim 1 ,

wherein the partition is a colored partition, and

wherein the projecting object includes a positive photosensitive resin.

18. The light-emitting device according to claim 2 ,

wherein the first layer is a colored layer, and

wherein the second layer includes a positive photosensitive resin.

19. The light-emitting device according to claim 2 ,

wherein the structure has a side surface continuous from a side surface of the first layer to a side surface of the second layer.