Light emitting device
A light emitting device includes: a light-emitting element; a resin package including a plurality of leads including first and second leads, a first resin portion, a second resin portion extending around an element mounting region, and a third resin portion, wherein the plurality of leads and the first resin portion define a recess having an inner side-wall surface; a light-reflective member being located between the inner side-wall surface and the second resin portion inside the recess; and an encapsulant located in a region of the recess that is surrounded by the light-reflective member, the encapsulant covering the second resin portion and the light-emitting element. The second resin portion has a depression in a surface thereof. A part of the encapsulant is located inside the depression of the second resin portion.
1. A light emitting device comprising:
a light-emitting element;
a resin package comprising:
a plurality of leads including a first lead and a second lead,
a first resin portion defining an outer lateral face of the resin package,
a second resin portion extending around an element mounting region in which the light emitting element is disposed, and
a third resin portion located between the first lead and the second lead,
wherein the plurality of leads and the first resin portion define a recess having an inner side-wall surface, and
wherein upper faces of the plurality of leads are partly located at a bottom of the recess;
a light-reflective member located between the inner side-wall surface and the second resin portion inside the recess; and
an encapsulant located in a region of the recess that is surrounded by the light-reflective member, the encapsulant covering the second resin portion and the light-emitting element;
wherein the first lead has a first groove in the upper face located at the bottom of the recess, the first groove extending at least partly around the element mounting region;
wherein at least a part of the second resin portion is disposed in the first groove;
wherein the second resin portion has a depression in a surface thereof; and
wherein a part of the encapsulant is located inside the depression of the second resin portion.
2. The light emitting device of claim 1 , wherein the depression extends along a direction that intersects a direction in which the second resin portion extends.
3. The light emitting device of claim 2 , further comprising:
a wire electrically connecting the light-emitting element and a part of the plurality of leads that is located outside the element mounting region;
wherein a part of the wire is located above the depression of the second resin portion.
4. The light emitting device of claim 1 , wherein the resin package comprises a resin connecting portion that is located at the bottom of the recess and connects the first resin portion and the second resin portion.
5. The light emitting device of claim 4 , wherein the depression is located proximate a site at which the resin connecting portion and the second resin portion are connected.
6. A light emitting device comprising:
a light-emitting element;
a resin package comprising:
a plurality of leads including a first lead and a second lead,
a first resin portion defining an outer lateral face of the resin package,
a second resin portion extending around an element mounting portion in which the light-emitting element is disposed, and
a third resin portion located between the first lead and the second lead,
wherein the plurality of leads and the first resin portion define a recess having an inner side-wall surface, and
wherein upper faces of the plurality of leads are partly located at a bottom of the recess;
a light-reflective member located between the inner side-wall surface and the second resin portion inside the recess; and
an encapsulant located in a region of the recess that is surrounded by the light-reflective member, the encapsulant covering the second resin portion and the light-emitting element;
wherein the first lead has a first groove in the upper face located at the bottom of the recess, the first groove extending at least partly around the element mounting region;
wherein at least a part of the second resin portion is disposed in the first groove;
wherein the second resin portion has a protrusion at a surface thereof; and
wherein the protrusion is covered by the encapsulant.
7. The light emitting device of claim 6 , wherein the resin package comprises a resin connecting portion that is located at the bottom of the recess and connects the first resin portion and the second resin portion.
8. The light emitting device of claim 7 , wherein the protrusion is located proximate a site at which the resin connecting portion and the second resin portion are connected.
9. The light emitting device of claim 2 , wherein the resin package comprises a resin connecting portion that is located at the bottom of the recess and connects the first resin portion and the second resin portion.
10. The light emitting device of claim 9 , further comprising:
a wire electrically connecting the light-emitting element and a part of the plurality of leads that is located outside the element mounting region;
wherein the depression is located proximate a site at which the resin connecting portion and the second resin portion are connected; and
wherein a part of the wire is located above the depression of the second resin portion.
11. The light emitting device of claim 1 , wherein the light-reflective member is separated from the light-emitting element.
12. The light emitting device of claim 1 , further comprising a protection element disposed on the upper face of the second lead.
13. The light emitting device of claim 12 , wherein the protection element is embedded in the light-reflective member.
14. The light emitting device of claim 1 , wherein the second resin portion comprises a first section extending along a first direction parallel to the outer lateral face of the resin package in a top view.
15. The light emitting device of claim 14 , wherein the second resin portion further comprises a second section extending along a second direction perpendicular to the first direction in a top view.
16. The light emitting device of claim 15 , wherein the second resin portion further comprises a circular arc section that connects between the first section and the second section in a top view.
17. The light emitting device of claim 13 , wherein:
the second resin portion comprises:
a first section extending along a first direction parallel to the outer lateral face of the resin package in a top view,
a second section extending along a second direction perpendicular to the first direction in a top view, and
a circular arc section that connects between the first section and the second section in a top view.
18. The light emitting device of claim 17 , wherein the light-reflective member is separated from the light-emitting element.
19. The light emitting device of claim 2 , further comprising:
a protection element disposed on the upper face of the second lead, the protection element embedded in the light-reflective member;
wherein the light-reflective member is separated from the light-emitting element; and
wherein the second resin portion comprises a first section extending along a first direction parallel to the outer lateral face of the resin package in a top view.
20. The light emitting device of claim 4 , further comprising:
a protection element disposed on the upper face of the second lead, the protection element embedded in the light-reflective member;
wherein the light-reflective member is separated from the light-emitting element; and
wherein the second resin portion comprises a first section extending along a first direction parallel to the outer lateral face of the resin package in a top view.