Light emitting diode fixture and heat sink
View Patent ↗A housing for a plurality of light emitting diodes includes a housing providing a heat sink, where the heat sink includes a plurality of protrusions. A control board can be removably coupled to the heat sink and the control board can provide an aperture to receive a lens housing and an aperture to receive a coupling member to secure the control board to the heat sink. Further, a plurality of light emitting diode light engines can be mounted to the control board where the individual heat sink protrusions of the plurality of heat sink protrusions align with individual light engines of the plurality of light engines.
1. A device for dissipating heat from light emitting diodes, comprising:
a heat sink with a plurality of protrusions;
a control board coupled to the heat sink; and
a plurality of light emitting diode light engines mounted to the control board on a first side and extend through the control board to a second side; wherein the individual heat sink protrusions of the plurality of heat sink protrusions align with individual light engines of the plurality of light engines and the control board secures the light engines against the heat sink protrusions, and wherein each of the plurality of light engines are centered on and contacts an outermost surface of a respective aligned one of the plurality of heat sink protrusions proximate the second side of the control board.
2. The device of claim 1 , wherein the control board couples to the heat sink with a securing member.
3. The device of claim 1 , wherein the plurality of light engines produce red, green and blue light.
4. The device of claim 1 , wherein at least one individual light engine produces red, green and blue light.
5. The device of claim 1 , wherein the control board provides a plurality of apertures for receiving a light engine lens housing.
6. The device of claim 1 , wherein the light engines are configured to operate less than or equal to a die junction temperature of 125° C.
7. The device of claim 1 , wherein each of the light engines extend from the control board by an equal distance.
8. A light fixture, comprising:
a housing comprising a heat sink, the heat sink providing a plurality of protrusions;
a control board coupled to the heat sink, the control board providing an aperture to receive a lens housing and an aperture, to receive a coupling member to secure the control board to the sink; and
a plurality of light emitting diode light engines mounted on the control board, wherein an outermost surface of the individual heat sink protrusions of the plurality of heat sink protrusions align, directly contacts and are centered with individual light engines of the plurality of light engines.
9. The light fixture of claim 8 , wherein the plurality of light engines produce red, green and blue light.
10. The light fixture of claim 8 , wherein at least one individual light engine produces green and blue light.
11. The light fixture of claim 8 , wherein each of the light engines extend from the board by an equal distance.
12. A method of manufacturing a light emitting diode housing, comprising the steps of:
providing a housing comprising a heat sink having a plurality of heat sink protrusions;
providing a control board with a plurality of light engines thereon; and
assembling the housing with the control board arranged such that the individual light engines of the plurality of light engines align and contacts an outermost surface of the individual heat sink protrusions of the plurality of heat sink protrusions.
13. The method of manufacturing of claim 12 , further comprising the step of securing the control board to the heat sink with a securing member.
14. The method of manufacturing of claim 12 , further comprising the step of applying a thermal interface material between the light engine and the heat sink protrusion.
15. The method of manufacturing of claim 12 further comprising the step of wiring the control board to receive signals from a control console.
16. The device of claim 1 , wherein a distal end of each the individual heat sink protrusions abuts against a rear surface of a corresponding light engine.
17. The device of claim 16 , wherein each of the light engines are centered with the distal end of a corresponding heat sink protrusion.
18. The device of claim 17 , wherein a thermal interface material is positioned between each of the light engines and the corresponding heat sink protrusion.
19. The light fixture of claim 8 , wherein a distal end of each of the individual heat sink protrusions abuts against a rear surface of a corresponding light engine, wherein each of the light engines are centered with the distal end of a corresponding heat sink protrusion, and wherein a thermal interface material is positioned between each of the light engines and the corresponding heat sink protrusion.
20. The method of manufacturing of claim 12 , further comprising abutting a rear surface of each of the light engines with a distal end of a corresponding heat sink protrusion, and aligning the individual light engines with a center of the distal end of the corresponding heat sink protrusion.
21. The device of claim 1 , wherein a center of a surface of each the plurality of light engines is aligned with a center of a surface of each respective aligned heat sink protrusion.
22. The device of claim 21 , wherein the surface of each respective aligned heat sink protrusion forms a circular shape.
23. The device of claim 1 , wherein the control board is configured with circuitry to provide signals to the plurality of light emitting diode light engines.
24. The device of claim 1 , wherein the plurality of light emitting diode light engines and the plurality of protrusions are arranged in an array having a plurality of rows and a plurality of columns.
25. The device of claim 1 , wherein alignments of the plurality of light emitting diode light engines with the plurality of protrusions dissipate heat so that a junction temperature does not exceed 115° C.
26. The device of claim 1 , wherein the heat sink comprises a housing that houses at least the plurality of protrusions.