Light-emitting device
A light-emitting device includes a carrier, a light-emitting unit disposed on the carrier, a reflective element arranged on the light-emitting unit, and an optical element arranged on the carrier and surrounding the light-emitting unit.
1. A light-emitting apparatus, comprising:
a substrate; and
a plurality of the light-emitting devices arranged in a form of a matrix on the substrate;
wherein each light-emitting device in the plurality of the light-emitting devices comprises:
a carrier comprising a mirror reflection surface and a bottom surface opposite to the mirror reflection surface;
a light-emitting unit arranged on the mirror reflection surface;
a reflective layer arranged on the light-emitting unit, and having a top surface and a side surface; and
a first optical structure surrounding the light-emitting unit and the reflective layer,
wherein the first optical structure comprises a topmost end higher than the light-emitting unit and lower than the top surface.
2. The light-emitting apparatus according to claim 1 , wherein the each light-emitting device further comprises a second optical structure arranged on and directly connected to the light-emitting unit.
3. The light-emitting apparatus according to claim 2 , further comprising a third optical structure covering the plurality of the light-emitting devices configured to adjust light from the plurality of the light-emitting devices.
4. The light-emitting apparatus according to claim 1 , wherein the plurality of the light-emitting devices is arranged on the substrate with a fixed interval in one direction.
5. The light-emitting apparatus according to claim 1 , wherein the first optical structure is directly connected to the side surface.
6. The light-emitting apparatus according to claim 1 , wherein the first optical structure comprises a protruded surface.
7. The light-emitting apparatus according to claim 1 , wherein each light-emitting device further comprises an angle smaller than 90°, and the angle is formed between the first optical structure and the mirror reflection surface.
8. The light-emitting apparatus according to claim 1 , wherein the first optical structure is symmetrically formed on the carrier.
9. The light-emitting apparatus according to claim 1 , wherein each light-emitting device further comprises a virtual center line, and each light-emitting device has a light intensity distribution which is substantially symmetrical with the virtual center line.
10. The light-emitting apparatus according to claim 9 , wherein the light intensity distribution has a maximum value on two sides within an angle range between 40° and 60° with respect to the virtual center line.
11. The light-emitting apparatus according to claim 1 , wherein the plurality of the light-emitting devices is arranged on the substrate in one direction with intervals gradually increased or decreased.
12. A light-emitting apparatus, comprising:
a substrate; and
a plurality of the light-emitting devices arranged in a form of a matrix on the substrate;
wherein each light-emitting device in the plurality of the light-emitting devices comprises:
a carrier comprising a mirror reflection surface and a bottom surface opposite to the mirror reflection surface;
a light-emitting unit arranged on the mirror reflection surface;
a reflective layer arranged on the light-emitting unit, and having a top surface and a side surface;
a first optical structure surrounding the light-emitting unit and the reflective layer;
a virtual center line; and
a light intensity distribution being substantially symmetrical with the virtual center line;
wherein the light intensity distribution has a maximum value on two sides within an angle range between 40° and 60° with respect to the virtual center line.
13. The light-emitting apparatus according to claim 12 , wherein each light-emitting device further comprises a second optical structure arranged on and directly connected to the light-emitting unit.
14. The light-emitting device according to claim 13 , wherein the plurality of the light-emitting devices is arranged on the substrate with a fixed interval in one direction.
15. The light-emitting apparatus according to claim 12 , wherein the first optical structure is directly connected to the side surface.
16. The light-emitting apparatus according to claim 12 , wherein the first optical structure comprises a protruded surface.
17. The light-emitting apparatus according to claim 12 , further comprising a third optical structure covering the plurality of the light-emitting devices configured to adjust light from the plurality of the light-emitting devices.
18. The light-emitting apparatus according to claim 12 , wherein each light-emitting device further comprises an angle smaller than 90°, and the angle is formed between the first optical structure and the mirror reflection surface.
19. The light-emitting apparatus according to claim 12 , wherein the first optical structure is symmetrically formed on the carrier.
20. The light-emitting apparatus according to claim 12 , wherein the plurality of the light-emitting devices is arranged on the substrate in one direction with intervals gradually increased or decreased.