Display device and light-emitting element
There is provided a display device including a light-emitting element body part, a low refractive index layer part which is provided over a light output surface of the light-emitting element body part and has a first refractive index, and a packaging member which is provided to seal the light-emitting element body part and the low refractive index layer part inside the packaging member, has a planar light output surface, and has a second refractive index which is greater than the first refractive index.
1. A display device comprising:
a light-emitting element body part;
a low refractive index layer part which is provided over a light output surface of the light-emitting element body part and has a first refractive index;
a resin member which is provided to seal the light-emitting element body part and the low refractive index layer part inside the resin member, wherein the resin member has a planar top light output surface and has a second refractive index which is greater than the first refractive index;
a light-shielding layer is provided in the resin member,
wherein the light-shielding layer includes an opening, and wherein the opening faces the light output surface of the emitting element body part.
2. The display device according to claim 1 , wherein the light-shielding layer is provided in a region which does not overlap with the light-emitting element body part in a top view of the display device.
3. The display device according to claim 2 ,
wherein the light-shielding layer is provided at a predetermined position adjacent to the top light output surface side of the resin member.
4. The display device according to claim 2 ,
wherein the light-shielding layer includes a black resin.
5. The display device according to claim 2 , wherein the light-shielding layer is disposed at a predetermined position opposite to the top light output surface side of the resin member.
6. The display device according to claim 2 , further comprising a black resin layer, wherein the black resin layer is provided on a side near the light-emitting element body part and the black resin layer is in the resin member.
7. The display device according to claim 6 , wherein the light-shielding layer is provided at a position adjacent to the top light output surface side of the resin member and wherein the light-shielding layer spaces apart from the black resin layer.
8. The display device according to claim 1 , further comprising:
a screen provided over the resin member,
wherein the resin member includes a member which is refractive-index-matched with the screen.
9. The display device according to claim 1 ,
wherein the resin member includes at least one of a light plastic resin and a light curable resin.
10. The display device according to claim 1 , further comprising:
a light-emitting element driver circuit which is provided in the resin member and is configured to drive the light-emitting element body part.
11. The display device according to claim 1 , wherein the planar top light output surface of the resin member is perpendicular to a direction of a stacked order of a light emitting element.
12. The display device according to claim 1 , wherein the light-emitting element body part is provided in the opening of the light-shielding layer with a cap between the light-emitting element body part and the light-shielding layer.
13. The display device according to claim 1 , wherein the opening of the light-shielding layer is larger than the low refractive index layer.
14. The display device according to claim 1 , wherein the opening of the light-shielding layer is configured to allow a total reflection of light from the light-emitting element body part at an edge portion of the opening.
15. A light-emitting element comprising:
a light-emitting element body part;
a low refractive index layer part which is provided over a light output surface of the light-emitting element body part and has a lower refractive index than a resin member which has a planar top light output surface and wherein the light-emitting element body part is sealed inside by the resin member;
a light-shielding layer is provided in the resin member, and
wherein the light-shielding layer includes an opening, and wherein the opening faces the light output surface of the emitting element body part.
16. The light-emitting element according to claim 15 ,
wherein the resin member includes at least one of a light plastic resin and a light curable resin.
17. The light-emitting element according to claim 15 , further comprising:
a light-emitting element driver circuit which is provided in the resin member and is configured to drive the light-emitting element body part.