Light emitting apparatus
A light emitting apparatus, including: a first light emitting device with a first substrate having a first upper surface and first bottom surface, a plurality of first LED chips disposed on the first upper surface, emitting a light penetrating the first substrate, and a first wavelength conversion layer directly contacting the plurality of first LED chips and first upper surface, and a first shape in a cross-sectional view; a second wavelength conversion layer directly contacting the first bottom surface; a second shape in the cross-sectional view substantially the same as the first shape; a second light emitting device separated from the first light emitting device, including a second substrate and plurality of second LEDs disposed on the second substrate; a support base connected to the first light emitting device by a first angle and connected to the second light emitting device by a second angle; and a first support arranged between the support base and first light emitting device.
1. A light emitting apparatus, comprising:
a first light emitting device comprising:
a first substrate having a first upper surface and a first bottom surface;
a plurality of first LED chips disposed on the first upper surface and emitting a light penetrating the first substrate; and
a first wavelength conversion layer directly contacting the plurality of first LED chips and the first upper surface, and having a first shape in a cross-sectional view; and
a second wavelength conversion layer directly contacting first bottom surface, and having a second shape in the cross-sectional view, wherein the second shape is substantially the same as the first shape;
a second light emitting device separated from the first light emitting device, and comprising a second substrate and a plurality of second LEDs disposed on the second substrate; and
a support base connected to the first light emitting device by a first angle and connected to the second light emitting device by a second angle; and
a first support arranged between the support base and the first light emitting device.
2. The light emitting apparatus of claim 1 , wherein the first substrate comprises a material selected from the group consisting of aluminum oxide, sapphire, glass, plastics, and rubber.
3. The light emitting apparatus of claim 1 , wherein the first support is flexible.
4. The light emitting apparatus of claim 1 , further comprising a lamp housing accommodating the first light emitting device and the second light emitting device.
5. The light emitting apparatus of claim 1 , wherein, the first light emitting device has a first color temperature measured above the first upper surface, and a second color temperature measured under the first bottom surface, the first color temperature and the second color temperature have a difference equal to or less than 1500K.
6. The light emitting apparatus of claim 1 , wherein the support base has a central axis, the first substrate has a first side surface pointing to the central axis.
7. The light emitting apparatus of claim 6 , wherein the second substrate has a second side surface pointing to the central axis.
8. The light emitting apparatus of claim 1 , wherein said first angle ranges from 30° to 150°.
9. The light emitting apparatus of claim 1 , further comprising a bonding layer connecting the first light emitting device and the first support.
10. The light emitting apparatus of claim 1 , wherein the first angle is adjustable.
11. The light emitting apparatus of claim 1 , wherein each of the plurality of first LED chips comprises a light emitting surface, and
wherein the first upper surface is at least five times a total area of the light emitting surfaces of the plurality of first LED chips.
12. The light emitting apparatus of claim 1 , wherein each of the plurality of first LED chips comprises a light emitting surface, and
wherein the first upper surface is at least five times an area of the light emitting surface.
13. The light emitting apparatus of claim 1 , wherein each of the plurality of first LED chips comprises a light emitting surface, and
wherein the first bottom surface is at least five times a total area of the light emitting surfaces of the plurality of first LED chips.
14. The light emitting apparatus of claim 1 , wherein each of the plurality of first LED chips comprises a light emitting surface, and
wherein the first bottom surface is at least five times an area of the light emitting surface.
15. The light emitting apparatus of claim 6 , wherein the first substrate and the second substrate are point-symmetrical relative to the center axis on the support base.
16. The light emitting apparatus of claim 6 , wherein the first substrate and the second substrate are line-symmetrical relative to the center axis on the support base.
17. The light emitting apparatus of claim 1 , wherein the first substrate and the second substrate are disposed in an asymmetrical manner on the support base.
18. The light emitting apparatus of claim 1 , wherein the support base has a shape formed in a square, a rectangle, a regular hexagon, a hollow circle, or a hollow polygon.
19. The light emitting apparatus of claim 1 , wherein the support base comprises a material comprising metal, ceramic, glass, plastics, resin, or printed circuit board (PCB).
20. The light emitting apparatus of claim 1 , wherein the light emitting apparatus comprises a total of three, four, or five light emitting devices disposed on the support base.