Light emitting device and method of manufacturing the same
Disclosed is a light emitting device and a method of manufacturing the same. The light emitting device includes a body, a first electrode installed in the body and a second electrode separated from the first electrode, a light emitting chip formed on one of the first and second electrodes, and electrically connected to the first and second electrodes, and a protective cap projecting between the first and second electrodes.
1. A light emitting device, comprising:
a body having a first length in a first direction and a second length in a second direction perpendicular to the first direction;
a first electrode having a top surface and a bottom surface in the body;
a second electrode separated from the first electrode and having a top surface and a bottom surface in the body;
at least one light emitting chip disposed on at least one of the first electrode or the second electrode, the at least one light emitting chip electrically connected to the first electrode by at least one wire, and the at least one light emitting chip electrically connected to the second electrode by at least one wire; and
a spacer between the first electrode and the second electrode,
wherein the first electrode and the second electrode each includes two end portions separated from each other in the second direction,
wherein at least one of the first electrode or the second electrode includes at least two passing through holes,
wherein the first electrode and the second electrode include a recess between the two end portions, respectively,
wherein the recess is disposed in the body,
wherein each length of the two end portions of the first electrode in the first direction is greater than 10% of a length of the top surface of the first electrode in the first direction.
2. The light emitting device of claim 1 , wherein a top surface of the spacer is protruded above the top surface of the first electrode.
3. The light emitting device of claim 2 , wherein the spacer is filled by the body such that a bottom surface of the body is flush with the bottom surfaces of the first electrode and the second electrode.
4. The light emitting device of claim 3 , wherein the spacer includes a first portion and a second portion on the first portion, and
a length of the first portion in the first direction is different from a length of the second portion in the first direction.
5. The light emitting device of claim 4 , wherein the length of the second portion is less than a length of the at least one light emitting chip.
6. The light emitting device of claim 1 , wherein each length, in the first direction, of the two end portions of the first electrode is the same, and each length, in the first direction, of the two end portions of the second electrode is the same.
7. The light emitting device of claim 1 , wherein the first electrode and the second electrode have a curved surface at a plurality of corner regions,
wherein the recess of the first electrode includes at least one rounded corner.
8. The light emitting device of claim 1 , wherein a length of the top surface of the first electrode in the second direction is at least 1.2 times greater than a length of the bottom surface of the first electrode in the second direction.
9. A light emitting device, comprising:
a body having a first length in a first direction and a second length in a second direction perpendicular to the first direction;
a first electrode having a top surface and a bottom surface in the body;
a second electrode separated from the first electrode;
at least one light emitting chip disposed on at least one of the first electrode or the second electrode, the at least one light emitting chip electrically connected to both of the first electrode and the second electrode; and
a spacer disposed between the first electrode and the second electrode,
wherein the first electrode comprises a first protrusion protruding in the second direction from a first lateral side and a second protrusion protruding in an opposite direction to the second direction from a second lateral side, the second lateral side being on an opposite side of the first electrode from the first lateral side,
wherein the first electrode includes two end portions separated from each other in the second direction, and a recess with a curvature between the two end portions of the first electrode,
wherein the recess is disposed in the body, and
wherein a length of the top surface of the first electrode in the second direction is at least 1.2 times greater than a length of the bottom surface of the first electrode in the second direction.
10. The light emitting device of claim 9 , wherein at least one of the first electrode or the second electrode has a curved surface at a plurality of corner regions.
11. The light emitting device of claim 10 , wherein a length of the first protrusion in the second direction is greater than 10% of a length of the bottom surface of the first electrode in the second direction.
12. The light emitting device of claim 9 , wherein each length, in the first direction, of the two end portions of the first electrode in the first direction is the same, and each length, in the first direction, of the two end portions of the second electrode is the same.
13. The light emitting device of claim 9 , wherein each length, in the first direction, of the two end portions of the first electrode is greater than 10% of a length of the top surface of the first electrode in the first direction.
14. The light emitting device of claim 9 , wherein the recess of the first electrode includes at least one rounded corner.
15. The light emitting device of claim 9 , wherein the second electrode includes a third protrusion that protrudes in the second direction from a third lateral side and a fourth protrusion that protrudes in an opposite direction to the second direction from a fourth lateral side, and
wherein a length of the third protrusion is greater than 10% of a length of the bottom surface of the second electrode in the second direction.
16. The light emitting device of claim 15 , wherein at least one of side edges of the first, second, third and fourth protrusions is exposed through the body.
17. A light emitting device, comprising:
a body having a first length in a first direction and a second length in a second direction perpendicular to the first direction;
a first electrode having a top surface and a bottom surface in the body;
a second electrode separated from the first electrode and having a top surface and a bottom surface in the body;
at least one light emitting chip disposed on at least one of the first electrode or the second electrode, the at least one light emitting chip electrically connected to the first electrode by at least one wire, and the at least one light emitting chip electrically connected to the second electrode by at least one wire; and
a spacer disposed between the first electrode and the second electrode,
wherein the first electrode and the second electrode each include two end portions separated from each other in the second direction,
wherein the first electrode includes at least two passing through holes,
wherein the first electrode or the second electrode has a curved surface at a plurality of corner regions,
wherein the first electrode and the second electrode include a recess between the two end portions, respectively,
wherein each length of the two end portions of the first electrode in the first direction is greater than 10% of a length of the top surface of the first electrode in the first direction, and
wherein the at least two passing through holes are not overlapped with the two end portions of the first electrode in the second direction.
18. The light emitting device of claim 17 , wherein the first electrode comprises a first protrusion protruding in the second direction from a first lateral side and a second protrusion protruding in an opposite direction to the second direction from a second lateral side, the second lateral side being on an opposite side of the first electrode from the first lateral side,
wherein the first electrode has a T shape cut section along the second direction, and
wherein a length of the first protrusion in the second direction is greater than 10% of a length of the bottom surface of the first electrode in the second direction.
19. The light emitting device of claim 18 , wherein the second electrode includes a third protrusion that protrudes in the second direction from a third lateral side and a fourth protrusion that protrudes in an opposite direction to the second direction from a fourth lateral side, the fourth lateral side being on an opposite side of the second electrode from the third lateral side,
wherein the second electrode has a T shape cut section along the second direction, and
wherein a length of the third protrusion in the second direction is greater than 10% of a length of the bottom surface of the second electrode in the second direction.
20. The light emitting device of claim 19 , wherein at least one of side edges of the first, second, third and fourth protrusions is exposed through the body.
21. The light emitting device of claim 17 , wherein the at least two passing through holes are not overlapped with the at least one light emitting chip,
wherein the first electrode has a T shape cut section along the second direction, and
wherein the second electrode has a T shape cut section along the second direction.
22. The light emitting device of claim 17 , wherein the two end portions of the first electrode are overlapped with each other in the second direction, and
wherein each length, in the first direction, of the two end portions of the first electrode is the same, and each length, in the first direction, of the two end portions of the second electrode is the same.
23. The light emitting device of claim 17 , wherein the recess is disposed in the body, and
wherein the recess includes a curvature between the two end portions, respectively.
24. The light emitting device of claim 17 , wherein the spacer includes a first portion and a second portion on the first portion, and
a length of the first portion in the first direction is different from a length of the second portion in the first direction.
25. The light emitting device of claim 17 , wherein the recess of the first electrode includes at least one rounded corner.
26. A light emitting device, comprising:
a body having a first length in a first direction and a second length in a second direction perpendicular to the first direction;
a first electrode having a top surface and a bottom surface in the body;
a second electrode separated from the first electrode and having a top surface and a bottom surface in the body;
at least one light emitting chip disposed on at least one of the first electrode or the second electrode, the at least one light emitting chip electrically connected to the first electrode by at least one wire, and the at least one light emitting chip electrically connected to the second electrode by at least one wire; and
a spacer between the first electrode and the second electrode,
wherein the first electrode comprises a first protrusion protruding in the second direction from a first lateral side and a second protrusion protruding in an opposite direction to the second direction from a second lateral side, the second lateral side being on an opposite side of the first electrode from the first lateral side,
wherein the second electrode includes a third protrusion that protrudes in the second direction from a third lateral side and a fourth protrusion that protrudes in an opposite direction to the second direction from a fourth lateral side,
wherein a length of the first protrusion in the second direction is greater than 10% of a length of the bottom surface of the first electrode in the second direction, and wherein a length of the third protrusion in the second direction is greater than 10% of a length of the bottom surface of the second electrode in the second direction.
27. The light emitting device of claim 26 , wherein at least one of the first, second, third and fourth protrusions is disposed in the body.
28. The light emitting device of claim 27 , wherein at least one of side edges of the first, second, third and fourth protrusions is exposed through the body.
29. The light emitting device of claim 26 , wherein the at least one of the first electrode or the second electrode includes at least one groove around the at least one light emitting chip on the top surface thereof.
30. The light emitting device of claim 29 , wherein the at least one groove is entirely surrounds the at least one light emitting chip.