Light emitting device package and lighting apparatus having same
Abstract
An embodiment relates to a light emitting device package and a lighting apparatus having the same. According to the embodiment, a light emitting device package includes a first lead frame; a second lead frame spaced apart from the first lead frame; a body coupled to the first lead frame and the second lead frame and includes a first cavity which exposes a portion of the upper surface of the first lead frame, a second cavity which exposes a portion of the upper surface of the second lead frame, and a spacer which is disposed between the first lead frame and the second frame; at least one light emitting device disposed in the first cavity; and a protection device disposed in the second cavity. The second cavity is disposed on a first inside surface of the first cavity and the first inside surface is connected to an upper surface of the spacer, and an area of a bottom surface of the first cavity is equal to or less than 40% of entire area of the body.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1. A light emitting device package, comprising:
a first lead frame;
a second lead frame spaced apart from the first lead frame;
a body on the first lead frame and the second lead frame, the body including a first cavity exposing a portion of an upper surface of the first lead frame, and a second cavity exposing a portion of an upper surface of the second lead frame;
a light emitting device disposed on the exposed portion of the upper surface of the first lead frame;
a protection device disposed on the exposed portion of the upper surface of the second lead frame; and
a wire having a first end connected to the protection device and a second end connected to the exposed portion of the upper surface of the first lead frame; and
a reflection molding portion on the protective device,
wherein the body includes a first cavity which exposes a first portion of an upper surface of the first lead frame,
wherein the first light emitting device is disposed in the first cavity,
wherein the first cavity includes a first inside surface and a second inside surface facing to each other, and a third inside surface and a fourth inside surface facing to each other,
wherein the third inside surface and the fourth inside surface are connected to the first inside surface,
wherein the reflection molding portion is disposed on the first inside surface,
wherein a portion of the reflection molding portion extends to the upper surface of the first lead frame,
wherein a first boundary part of the reflection molding portion is located between the first inside surface of the first cavity and a first end of the reflection molding portion,
wherein a second boundary part of the reflection molding portion is located between the fourth inside surface of the first cavity and a second end of the reflection molding portion,
wherein a third boundary part of the reflection molding portion is connected between the first boundary part and the second boundary part, and
wherein the second cavity is disposed at an inclined inside surface of the first cavity,
wherein the reflection molding portion is disposed to cover the protection device, part of the exposed portion of the first lead frame having the connected second end of the wire, and part of the inclined inside surface of the first cavity, and
wherein an area of the first portion exposed to the first cavity in the upper surface exposed portion of the upper surface of the first lead frame is equal to or less than 40% of an entire area of the body.
2. The light emitting device package of claim 1 , wherein the protective device is disposed in the first inside surface of the first cavity.
3. The light emitting device package of claim 1 , wherein the protective device is disposed in a second cavity of the first inside surface, and
wherein an upper portion of the second cavity is opened from the first inside surface.
4. The light emitting device package of claim 1 , wherein the first cavity includes a first inside surface and a second inside surface facing each other, and a third inside surface and a fourth inside surface facing each other,
wherein a first boundary part of the reflection molding portion is located between the first inside surface of the first cavity and a first end of the reflection molding portion,
wherein a second boundary part of the reflection molding portion is located between the fourth inside surface of the first cavity and a second end of the reflection molding portion,
wherein a third boundary part of the reflection molding portion is connected between the first boundary part and the second boundary part, and
wherein the third boundary part of the reflection molding portion is disposed on the first exposed portion of the upper surface of the first lead frame.
5. The light emitting device package of claim 1 , wherein the first cavity includes a first inside surface and a second inside surface facing each other, and a third inside surface and a fourth inside surface facing each other, and
wherein the first, second, third and fourth inside surfaces of the first cavity is are disposed along an edge of the upper surface of the first lead frame.
6. The light emitting device package of claim 1 , wherein the first cavity includes a first inside surface and a second inside surface facing each other, and a third inside surface and a fourth inside surface facing each other,
wherein a first boundary part of the reflection molding portion is located between the first inside surface of the first cavity and a first end of the reflection molding portion,
wherein a second boundary part of the reflection molding portion is located between the fourth inside surface of the first cavity and a second end of the reflection molding portion,
wherein a third boundary part of the reflection molding portion is connected between the first boundary part and the second boundary part,
wherein the third boundary part of the reflection molding portion is disposed between a first side surface of the light emitting device and the first inside surface of the first cavity, and
wherein the first side surface of the light emitting device faces to the first inside surface of the first cavity.
7. The light emitting device package of claim 1 , wherein the first cavity includes a first inside surface and a second inside surface facing each other, and a third inside surface and a fourth inside surface facing each other,
wherein a first boundary part of the reflection molding portion is located between the first inside surface of the first cavity and a first end of the reflection molding portion,
wherein a second boundary part of the reflection molding portion is located between the fourth inside surface of the first cavity and a second end of the reflection molding portion,
wherein a third boundary part of the reflection molding portion is connected between the first boundary part and the second boundary part, and
wherein the third boundary part of the reflection molding portion is disposed to be parallel to the first side surface of the light emitting device.
8. The light emitting device package of claim 1 , wherein the reflection molding portion is overlapped with the first inside surface and the fourth inside surface of the first cavity overlaps the part of the inclined inside surface of the first cavity in a vertical direction.
9. The light emitting device package of claim 8 , wherein the reflection molding portion is overlapped overlaps with the first lead frame and the second frame in the vertical direction.
10. The light emitting device package of claim 1 , wherein a spacer is disposed between the first and second lead frames, and wherein the first part of the inclined inside surface of the first cavity is disposed on an upper surface of the spacer.
11. The light emitting device package of claim 1 , wherein a spacer is disposed between the first and second lead frames, and
wherein the portion of the reflection molding portion extends to an upper surface of the spacer.
12. The light emitting device package of claim 1 , wherein a distance between the light emitting device and the reflection molding portion on a bottom surface of the first cavity is 3.3% or less of a width of the a bottom surface of the first cavity.
13. The light emitting device package of claim 12 , wherein the distance is between the 30 μm and 100 μm.
14. A light emitting device package, comprising:
a first lead frame;
a second lead frame spaced apart from the first lead frame;
a body on the first lead frame and the second lead frame;
a spacer between the first lead frame and the second lead frame;
a light emitting device disposed on the first lead frame;
a protection device disposed on the second lead frame; and
a reflection molding portion on the protective device,
wherein the body includes a first cavity which exposes a first portion of an upper surface of the first lead frame,
wherein the first light emitting device is disposed in the first cavity,
wherein the first cavity includes a first inside surface and a second inside surface facing to each other, and a third inside surface and a fourth inside surface facing to each other,
wherein the third inside surface and the fourth inside surface are connected to the first inside surface,
wherein the reflection molding portion is disposed on the first inside surface and the spacer,
wherein a portion of the reflection molding portion extends to the upper surface of the first lead frame which expose exposed to a bottom of the first cavity,
wherein the reflection molding portion covers an entire area of an upper surface of the spacer, and
wherein an area of the first portion exposed to the first cavity in the upper surface of the first lead frame exposed portion of the upper surface of the first lead frame is equal to or less than 40% of an entire area of the body.
15. The light emitting device package of claim 14 , wherein the first inside surface includes a boundary portion between the light emitting device and a second cavity, and
wherein the boundary portion has a height greater than a height of the protective device.
16. The light emitting device package of claim 15 , wherein the protective device is disposed in the first inside surface of the first cavity.
17. The light emitting device package of claim 15 , wherein the protective device is disposed in the second cavity of the first inside surface.
18. The light emitting device package of claim 15 , wherein the first inside surface is inclined at a same angle as an upper surface of the boundary portion.
19. The light emitting device package of claim 18 , wherein the second, third and fourth inside surfaces of the first cavity and the reflection molding portion are disposed along an edge of the upper surface of the first lead frame.
20. The light emitting device package of claim 14 , wherein a distance between the light emitting device and the reflection molding portion on a bottom surface of the first cavity is 3.3% or less of a width of the bottom surface of the first cavity.Cited by (0)
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