Semiconductor light emitting device and method for manufacturing the same
A semiconductor light emitting device includes a semiconductor light source, a resin package surrounding the semiconductor light source, and a lead fixed to the resin package. The lead is provided with a die bonding pad for bonding the semiconductor light source, and with an exposed surface opposite to the die bonding pad The exposed surface is surrounded by the resin package in the in-plane direction of the exposed surface.
1. A light-emitting device comprising:
first, second and third conductors disposed on a common plane and spaced apart from each other;
a first protection element mounted on the first conductor;
a second protection element mounted on the second conductor;
a first light-emitting element mounted on the third conductor; and
a resin member supporting the first, second and third conductors, the first light-emitting element, the first protection element and the second protection element,
wherein as viewed in a first direction parallel to the common plane, the first light-emitting element is disposed between the first protection element and the second protection element.
2. The light-emitting device according to claim 1 , wherein as viewed in a second direction parallel to the common plane and perpendicular to the first direction, the first light-emitting element is offset in the first direction with respect to the first protection element and the second protection element.
3. The light-emitting device according to claim 2 , further comprising a fourth conductor and a second light-emitting element mounted on the fourth conductor.
4. The light-emitting device according to claim 3 , further comprising a fifth conductor and a third light-emitting element mounted on the fifth conductor.
5. The light-emitting device according to claim 4 , wherein the fifth conductor comprises a first portion extending in the first direction and a second portion extending in the second direction, and the third light-emitting element is mounted on the second portion of the fifth conductor.
6. The light-emitting device according to claim 4 , wherein each of the first through the fifth conductor comprises a portion exposed from a bottom surface of the resin member.
7. The light-emitting device according to claim 4 , wherein the resin member comprises a first edge and a second edge that are spaced apart from each other in the first direction as viewed in a direction perpendicular to the common plane,
the first through the third conductors protrude outwards from the first edge of the resin member, and the fourth and the fifth conductors protrude outwards from the second edge of the resin member.
8. The light-emitting device according to claim 4 , wherein the second light-emitting element and the third light-emitting element overlap with each other as viewed in the second direction.
9. The light-emitting device according to claim 4 , further comprising a reflector formed on the first through the fifth conductors, wherein the reflector surrounds the three light-emitting elements and the two protection elements as viewed in a direction perpendicular to the common plane.
10. The light-emitting device according to claim 4 , further comprising a sixth conductor disposed between the fourth conductor and the fifth conductor, wherein the sixth conductor is connected to the first light-emitting element.
11. The light-emitting device according to claim 3 , wherein the fourth conductor comprises a first portion extending in the first direction and a second portion extending in the second direction, and the second light-emitting element is mounted on the second portion.
12. The light-emitting device according to claim 11 , further comprising first, second, third and fourth wires, wherein the first wire connects the first protection element to the fourth conductor, the second wire connects the second protection element to the fifth conductor, the third wire connects the second light-emitting element to the first conductor, and the fourth wire connects the third light-emitting element to the second conductor.
13. The light-emitting device according to claim 12 , wherein the first and the second wires are greater in length than each of the third and the fourth wires.
14. The light-emitting device according to claim 12 , further comprising fifth and sixth wires, wherein the fifth wire connects the second light-emitting element to the fourth conductor, and the sixth wire connects the third light-emitting element to the fifth conductor.
15. The light-emitting device according to claim 14 , wherein the fifth wire is greater in length than the third wire, and the sixth wire is greater in length than the fourth wire.
16. The light-emitting device according to claim 14 , wherein the fifth wire comprises an end attached to the first portion of the fourth conductor.
17. The light-emitting device according to claim 14 , wherein the fifth wire comprises an intermediate portion that does not overlap with the fourth conductor as viewed in a direction perpendicular to the common plane.
18. The light-emitting device according to claim 11 , wherein the second portion of the fourth conductor is greater in length than the second light-emitting element.
19. The light-emitting device according to claim 2 , wherein the first protection element and the second protection element overlap with each other as viewed in the second direction.
20. The light-emitting device according to claim 1 , wherein the third conductor is disposed between the first conductor and the second conductor.