TIR cluster for color mixing
Aspects of the present disclosure include a light emitting diode (LED) module including a plurality of LEDs, each of the plurality of LEDs being spaced apart from one or more neighboring LEDs by a spacing, a plurality of optics each disposed over a corresponding LED of the plurality of LEDs, each of the plurality of optics having a radius, and a plurality of LED chips disposed within the plurality of LEDs and each having a LED light emitting surface having one or more sides with a length, wherein a ratio of the spacing, the radius, and the length is configured to cause a light emitted from the LED engine to be narrower than 14 degrees and with a relative Cd/lm greater than 10 and with a measured application color uniformity of less than 0.005 Du 1 v 1 .
1. A light emitting diode (LED) module, comprising:
a plurality of LEDs, each of the plurality of LEDs being spaced apart from one or more neighboring LEDs by a spacing;
a plurality of optics each disposed over a corresponding LED of the plurality of LEDs, each of the plurality of optics having a radius; and
a plurality of LED chips disposed within the plurality of LEDs and each having a LED light emitting surface having one or more sides with a length;
wherein a ratio of the spacing, the radius, and the length is configured to cause a light emitted from the LED engine to be narrower than 14 degrees and with a relative Cd/lm greater than 10 and with a measured application color uniformity of less than 0.005 Du 1 v 1 .
2. The LED engine of claim 1 , wherein the spacing is between 5 to 9 millimeters (mm).
3. The LED engine of claim 2 , wherein the spacing is substantially 8 mm.
4. The LED engine of claim 1 , wherein the radius is between 4 to 6 millimeters (mm), inclusive.
5. The LED engine of claim 4 , wherein the radius is substantially 6 mm.
6. The LED engine of claim 1 , wherein ratio of the spacing, the radius, and the length is substantially 8:6:1.
7. The LED engine of claim 1 , wherein the LED light emitting surface is a square and the length is 1 millimeters (mm).
8. The LED engine of claim 1 , wherein the plurality of LEDs include four LEDs.
9. The LED engine of claim 8 , wherein the plurality of LEDs include a red LED, a green LED, a blue LED, and a white LED.
10. The LED engine of claim 8 , wherein the plurality of LEDs are arranged in a square pattern.
11. A lighting panel, comprising:
a plurality of light emitting diode (LED) modules disposed linearly along the lighting panel, each LED engine comprising:
a plurality of LEDs, each of the plurality of LEDs being spaced apart from one or more neighboring LEDs by a spacing;
a plurality of optics each disposed over a corresponding LED of the plurality of LEDs, each of the plurality of optics having a radius; and
a plurality of LED chips disposed within the plurality of LEDs and each having a LED light emitting surface having one or more sides with a length;
wherein a ratio of the spacing, the radius, and the length is configured to cause a light emitted from the LED engine to be narrower than 14 degrees and with a relative Cd/lm greater than 10 and with a measured application color uniformity of less than 0.005 Du 1 v 1 .
12. The lighting panel of claim 11 , wherein the spacing is between 5 to 9 millimeters (mm).
13. The lighting panel of claim 12 , wherein the spacing is substantially 8 mm.
14. The lighting panel of claim 11 , wherein the radius is between 4 to 6 millimeters (mm), inclusive.
15. The lighting panel of claim 14 , wherein the radius is substantially 6 mm.
16. The lighting panel of claim 11 , wherein ratio of the spacing, the radius, and the length is substantially 8:6:1.
17. The lighting panel of claim 11 , wherein the LED light emitting surface is a square and the length is 1 millimeters (mm).
18. The lighting panel of claim 11 , wherein the plurality of LEDs include four LEDs.
19. The lighting panel of claim 18 , wherein the plurality of LEDs include a red LED, a green LED, a blue LED, and a white LED.
20. The lighting panel of claim 18 , wherein the plurality of LEDs are arranged in a square pattern.