Lighting devices including at least one light-emitting device, systems including at least one lighting device, and related methods
In some embodiments, a lighting assembly including at least one light-emitting device positioned within a housing is disclosed, wherein the housing is designed to allow an ambient environment to pass into the housing and transfer heat from the at least one light-emitting device. The light-emitting area of the light-emitting device may be sealed from the ambient environment. In some embodiments, the housing may include at least one recess, port, or other opening configured to allow a liquid or gas to promote heat transfer from the light-emitting device. In some embodiments, a vehicle, a marine system, or other systems may include at least one lighting assembly as contemplated herein.
1. A lighting system, comprising:
a first housing comprising a metal;
a first plurality of light-emitting devices positioned within the first housing;
a first lens element configured to receive light from the first plurality of light-emitting devices;
a second housing, the second housing comprising the metal;
a second plurality of light-emitting devices positioned at least partially within the second housing;
a second lens element configured to receive light from the second plurality of light-emitting devices;
at least one voltage converter configured to operate the first plurality of light-emitting devices and the second plurality of light-emitting devices;
holes extending through the first housing configured for attaching the first housing to a marine vehicle and second holes extending through the second housing configured for attaching the second housing to the marine vehicle;
a first ring-shaped retaining element secured to the first housing and retaining the first lens element, wherein a first sealant element is compressed between the first ring-shaped retaining element and the first lens element and forms a first liquid-tight seal;
a second ring-shaped retaining element secured to the second housing and retaining the second lens element, wherein a second sealant element is compressed between the second ring-shaped retaining element and the second lens element and forms a second liquid-tight seal;
wherein:
the first housing is a single body;
each of the light-emitting devices comprises a light-emitting area;
the light-emitting devices collectively have a power consumption of greater than 90 watts;
the at least one voltage converter is external to the first housing and the second housing; and
the at least one voltage converter has a power output of between 50 watts and 500 watts.
2. The lighting assembly according to claim 1 , further comprising wiring configured for electrically connecting the first light-emitting devices and the second plurality of light-emitting devices to the at least one voltage converter, wherein the wiring is configured to extend from a transom of a boat through a hull of the boat.
3. The lighting assembly according to claim 1 , wherein each of the light-emitting devices further comprises a metal substrate.
4. The lighting assembly according to claim 3 , wherein each light-emitting area is centrally positioned on a respective metal substrate.
5. The lighting assembly according to claim 1 , further comprising a protection circuitry configured to protect from overheating at least one of the light-emitting devices.
6. The lighting assembly according to claim 5 , wherein:
at least a first one of the light-emitting devices is configured to emit red light;
at least a second one of the light-emitting devices is configured to emit green light; and
at least a third one of the light-emitting devices is configured to emit blue light.
7. The lighting assembly according to claim 1 , wherein at least one of the light-emitting devices comprises a chip-on-board light-emitting device.
8. The lighting system according to claim 1 , wherein
the first housing comprises aluminum;
the first housing further comprises an electrical passageway; and
the first lens element further comprises a concave surface.
9. The lighting assembly according to claim 1 , further comprising a heat sink in thermal contact with at least one of the light-emitting devices.
10. The lighting assembly according to claim 1 , wherein the first housing has an outer surface with a generally cylindrical shape or a generally cubic shape.
11. The lighting assembly according to claim 1 , wherein:
the first housing includes at least one port configured to allow an ambient environment to contact at least one of the first plurality of light-emitting devices; and
greater than 30% of the upper surface of the at least one of the first plurality of light-emitting devices is covered by a light-emitting area.
12. A lighting system, comprising:
a first housing comprising a metal;
a first plurality of light-emitting devices positioned within the first housing;
a first lens element configured to receive light from the first plurality of light-emitting devices;
protection circuitry configured to protect from overheating at least one of the first plurality of light-emitting devices;
a second housing, the second housing comprising the metal;
a second plurality of light-emitting devices positioned within the second housing;
a second lens element configured to receive light from the second plurality of light-emitting devices;
at least one voltage converter configured to operate the plurality of first light-emitting devices and the second plurality of light-emitting devices;
holes extending through the first housing configured for attaching the first housing to a marine vehicle and second holes extending through the second housing configured for attaching the second housing to the marine vehicle;
a first retaining element secured to the first housing and retaining the first lens element, wherein a first sealant element is compressed between the first retaining element and the first lens element and forms a first liquid-tight seal;
a second retaining element secured to the second housing and retaining the second lens element, wherein a second sealant element is compressed between the second retaining element and the second lens element and forms a second liquid-tight seal;
wherein:
each of the light-emitting devices comprises a light emitting area;
the first plurality of light-emitting devices collectively have a power consumption of greater than 90 watts;
the second plurality of light-emitting devices collectively have a power consumption of greater than 90 watts;
the at least one voltage converter is external to the first housing and the second housing; and
the at least one voltage converter has a power output of between 180 watts and 500 watts.
13. The lighting assembly according to claim 12 , further comprising wiring configured for electrically connecting the first plurality of light-emitting device and the second plurality of light-emitting device to the at least one voltage converter, wherein the wiring is configured to extend from a transom of a boat through a hull of the boat.
14. The lighting assembly according to claim 13 , wherein at least one of the light-emitting devices includes a soldered electrical connection.
15. The lighting assembly according to claim 12 , wherein the first lens element further comprises a concave surface.
16. The lighting assembly according to claim 13 , wherein:
at least a first one of the light-emitting devices is configured to emit red light;
at least a second one of the light-emitting devices is configured to emit green light; and
at least a third one of the light-emitting devices is configured to emit blue light.
17. The lighting assembly according to claim 14 , wherein at least one of the light-emitting devices further comprises at least one of electrical tabs or solder pads.
18. The lighting system according to claim 12 , wherein greater than 30% of an upper surface of at least one of the light-emitting devices is covered by the light-emitting area.
19. The lighting assembly according to claim 12 , wherein the first housing includes at least one port configured to allow an ambient environment to contact at least one of the first plurality of light-emitting devices.
20. A lighting system, comprising:
a housing comprising a metal;
a first plurality of light-emitting devices positioned within the housing;
a second plurality of light-emitting devices positioned within the housing;
a first lens element configured to receive light from the first plurality of light-emitting devices;
a second lens element configured to receive light from the second plurality of light-emitting devices;
at least one voltage converter configured to operate the light-emitting devices;
holes extending through the housing configured for attaching the housing to a marine vehicle;
a first retaining element secured to the housing and retaining the first lens element, wherein a first sealant element is compressed between the first retaining element and the first lens element and forms a first liquid-tight seal;
a second retaining element secured to the housing and retaining the second lens element, wherein a second sealant element is compressed between the second retaining element and the second lens element and forms a second liquid-tight seal;
wherein:
the housing is a single body;
each of the light-emitting devices comprises a light emitting area;
the light-emitting devices collectively have a power consumption of greater than 90 watts;
the at least one voltage converter is external to the housing; and
the at least one voltage converter has a power output of between 90 watts and 500 watts.
21. The lighting assembly according to claim 20 , wherein:
at least a first one of the light-emitting devices is configured to emit red light;
at least a second one of the light-emitting devices is configured to emit green light; and
at least a third one of the light-emitting devices is configured to emit blue light.
22. The lighting system according to claim 21 , wherein:
at least a fourth one of the plurality of light-emitting device further comprises at least one of electrical tabs or solder pads; and
the lighting system further comprises protection circuitry configured to protect from overheating at least the fourth one of the plurality of light-emitting devices.
23. The lighting assembly according to claim 20 , wherein the housing includes at least one port configured to allow an ambient environment to contact at least one of the plurality of light-emitting devices.