Light emitting diode unit
A light emitting diode device including a substrate, a plurality of terminals disposed on the substrate, and a plurality of light sources disposed on the substrate, electrically connected to the plurality of terminals, and configured to emit light, in which each of the light sources includes a light emitting diode chip, and a wall surrounding side surfaces of the light emitting diode chip, at least one of the light sources includes a wavelength converter disposed on the light emitting diode chip, and at least two light sources share the wall.
1. A light emitting diode device comprising:
a substrate;
a plurality of terminals disposed on the substrate; and
a plurality of light sources disposed on the substrate, electrically connected to the plurality of terminals, and configured to emit light, wherein the plurality of light sources include a first light source, a second light source, and a third light source,
wherein at least one of the light sources comprises:
a light emitting diode chip; and
a wall surrounding side surfaces of the light emitting diode chip,
wherein the at least one of the light sources includes a wavelength converter disposed on the light emitting diode chip,
wherein at least two light sources share a first wall,
wherein the plurality of light sources are arranged in one direction in an order of the first light source, the second light source, and the third light source, and a distance between the second light source and the first light source that share the first wall is less than a distance between the second light source and the third light source that do not share the first wall, and
wherein the wavelength converter covers side surfaces and an upper surface of the light emitting diode chip.
2. The light emitting diode device of claim 1 , wherein the plurality of light sources are configured to emit light of different wavelengths.
3. The light emitting diode device of claim 2 , wherein the wall has a height greater than that of the light emitting diode chip surrounded by the wall.
4. The light emitting diode device of claim 3 , wherein side surfaces of the wavelength converter are surrounded by the wall.
5. The light emitting diode device of claim 4 , wherein the at least one of the light sources includes a color filter disposed on the wall.
6. The light emitting diode device of claim 2 , wherein:
a height of the wall is the same as that of the light emitting diode chip surrounded by the wall; and
the wavelength converter is disposed on the wall.
7. The light emitting diode device of claim 6 , wherein:
the at least one of the light sources includes a color filter disposed on the wall; and
the color filter is spaced apart from the wall.
8. The light emitting diode device of claim 1 , wherein the wavelength converter comprises one or more types of phosphors to convert wavelength of blue light or ultraviolet light.
9. The light emitting diode device of claim 8 , wherein the wavelength converter further comprises a carrier supporting the one or more types of phosphors.
10. The light emitting diode device of claim 9 , wherein the carrier comprises silicone.
11. The light emitting diode device of claim 1 , wherein the at least one of the light sources further comprises a transparent layer disposed on the light emitting diode chip.
12. The light emitting diode device of claim 11 , wherein the transparent layer comprises at least one of silicone and epoxy.
13. The light emitting diode device of claim 11 , wherein the transparent layer is disposed between the light emitting diode chip and the wavelength converter.
14. The light emitting diode device of claim 1 , wherein the wall is a black wall.
15. The light emitting diode device of claim 1 , wherein the at least one of the light sources includes a color filter disposed on the wavelength converter.
16. A light emitting diode device comprising:
a substrate;
a plurality of terminals disposed on the substrate; and
a plurality of light sources disposed on the substrate, electrically connected to the plurality of terminals, and configured to emit light, wherein the plurality of light sources include a first light source, a second light source, and a third light source,
wherein at least one of the light sources comprises:
a light emitting diode chip; and
a first wall surrounding side surfaces of the light emitting diode chip,
wherein the at least one of the light sources includes a wavelength converter disposed on the light emitting diode chip,
wherein the first wall has a height greater than that of the light emitting diode chip,
wherein a second wall is disposed on an outer side of the first wall and surrounds a side surface of the first wall,
wherein at least two light sources share a wall, and
wherein the plurality of light sources is arranged in one direction in an order of the first light source, the second light source, and the third light source, and a distance between the second light source and the first light source that share the wall is less than a distance between the second light source and the third light source that do not share the wall.
17. The light emitting diode device of claim 16 , further comprising a color filter disposed on the wavelength converter.
18. The light emitting diode device of claim 17 , wherein an upper surface of the first wall and an upper surface of the wavelength converter are disposed on a same plane.
19. The light emitting diode device of claim 18 , wherein the color filter is disposed on the upper surface of the first wall.