Light emitting device package
A light emitting device package is provided. The light emitting device package may include a package body, a circuit pattern on the package body, a light emitting chip on the circuit pattern, a connector to connect the light emitting chip to the circuit pattern, a phosphor layer on the light emitting chip, and a first protective layer including a Group III nitride provided on the package body to cover the circuit pattern, the light emitting chip, and the connecting member.
1. A light emitting device package, comprising:
a package body;
a circuit pattern on the package body;
a light emitting chip on the circuit pattern;
a connector to connect the light emitting chip to the circuit pattern;
a phosphor layer on the light emitting chip;
a first protective layer provided on the package body to cover the circuit pattern, the light emitting chip, and the connector, the first protective layer including a Group III nitride; and
a second protective layer on the first protective layer,
wherein a top surface of the first protective layer is coplanar with a top surface of the phosphor layer, wherein the connector includes a first portion that protrudes above a top surface of the phosphor layer and a second portion coupled to the first portion and provided below the top surface of the phosphor layer, and wherein the first portion of the connector is provided in the second protective layer, and the second portion of the connector is provided in the first protective layer.
2. The light emitting device package of claim 1 , wherein the Group III nitride includes at least one of boron nitride and aluminum nitride.
3. The light emitting device package of claim 1 , wherein the first protective layer has a white color and includes a composite of a silicon resin and a boron nitride.
4. The light emitting device package of claim 3 , wherein at least 30 wt % of the boron nitride is added to the silicon resin in the first protective layer.
5. The light emitting device package of claim 3 , wherein the first protective layer has a reflectance of at least 98%.
6. The light emitting device package of claim 1 , wherein the phosphor layer has a height less than 160 μm.
7. The light emitting device package of claim 1 , wherein a side surface of the second protective layer is inclined with respect to a major surface of the second protective layer at a predetermined inclination angle.
8. The light emitting device package of claim 1 , wherein the second protective layer has a bottom surface which is not in contact with a top surface of the phosphor layer.
9. The light emitting device package of claim 1 , wherein the second protective layer includes a silicon resin and at least one of TiO 2 , BaSo 4 , BN, and Al 2 O 3 added to the silicon resin.
10. A light emitting device package comprising:
a package body;
a circuit pattern on the package body;
a light emitting chip on the circuit pattern;
a connector to connect the light emitting chip to the circuit pattern;
a phosphor layer on the light emitting chip;
a first protective layer provided on the package body to cover the circuit pattern and the light emitting chip; and
a second protective layer on the first protective layer, wherein the connector includes a first portion that protrudes above a top surface of the phosphor layer and a second portion coupled to the first portion and provided below the top surface of the phosphor layer, and wherein the first portion of the connector is provided in the second protective layer, and the second part of the connector is provided in the first protective layer.
11. The light emitting device package of claim 10 , wherein the first protective layer is formed of a composite including a silicon resin and at least one of a boron nitride and an aluminum nitride.
12. The light emitting device package of claim 11 , wherein the first protective layer includes the boron nitride, and at least 30 wt % of the boron nitride is added to the silicon resin.
13. The light emitting device package of claim 10 , wherein a top surface of the first protective layer is aligned on a same plane with a top surface of the phosphor layer.
14. The light emitting device package of claim 10 , wherein a side surface the second protective layer is inclined with respect to a major surface of the second protective layer at a predetermined inclination angle, and the second protective layer has a bottom surface which is not in contact with a top surface of the phosphor layer.
15. The light emitting device package of claim 10 , wherein the second protective layer exposes a top surface of the phosphor layer.