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 housing, wherein the housing is a single body and wherein the housing has a generally flat back face;
holes extending through the housing, wherein the holes are configured for accepting housing fasteners for attaching the housing to a hull of a marine vehicle when the housing is attached to the hull;
a chip-on-board light-emitting device, comprising:
a substrate including mounting holes;
a light-emitting area;
a template surrounding the light-emitting area;
a lens element positioned adjacent to the housing;
a voltage converter configured to convert a direct current input voltage to a direct current output voltage for operating the chip-on-board light-emitting device;
a first seal formed between a retaining element and the lens element and a second seal formed between the lens element and the housing;
a second housing comprising a metal;
a second chip-on-board light-emitting device comprising
a second substrate, wherein the second substrate is metal;
a second light-emitting area;
a second lens element positioned adjacent to the second housing; wherein:
the chip-on-board light-emitting device is attached to the housing by fasteners and the chip-on-board light-emitting device is positioned within the housing;
the mounting holes of the substrate are positioned beyond the template;
the chip-on-board light-emitting device has a power consumption of at least 50 watts;
the voltage converter is external to the housing.
2. The lighting system according to claim 1 , further comprising
a reflector element positioned between the chip-on-board light-emitting device and the lens element
wherein the retaining element comprises a ring-shaped retaining element configured to retain the lens element relative to the housing.
3. The lighting system according to claim 2 , wherein:
the ring-shaped retaining element is configured to compress the lens element toward the housing;
the first seal is formed by a sealant element compressed between the ring-shaped retaining element and the lens element.
4. The lighting system according to claim 3 , wherein the flat back face is configured to contact the hull of the marine vehicle when the housing is attached to the hull.
5. The lighting system according to claim 1 , wherein:
the chip-on-board light-emitting device is configured to emit more than one color of light; and
the second chip-on-board light-emitting device is configured to emit more than one color of light.
6. The lighting system according to claim 5 , wherein:
the chip-on-board light-emitting device is configured to emit red light, green light, blue light, and white light; and
the second chip-on-board light-emitting device is configured to emit red light, green light, blue light, and white light.
7. The lighting system according to claim 6 , wherein each of the chip-on-board light-emitting device and the second chip-on-board light-emitting device is attached to the housing and the second housing, respectively, by threaded fasteners.
8. The lighting system according to claim 6 , wherein an outer surface of each of the housing and the second housing is generally cylindrical and the housing comprises the metal.
9. The lighting system according to claim 8 , further comprising protection circuitry configured to protect from overheating the chip-on-board light-emitting device.
10. The lighting system according to claim 1 , wherein:
the housing includes at least one port configured to allow an ambient environment to contact the substrate;
greater than 30% of the upper surface of the substrate is covered by the light-emitting area.
11. A lighting assembly, comprising:
a housing comprising a metal, wherein the housing is a single body and includes holes extending through the housing, wherein the holes are configured for accepting fasteners for attaching the housing to the a hull of a marine vehicle;
a chip-on-board light-emitting device, comprising:
a metal substrate, wherein the metal substrate includes substrate mounting holes;
a light-emitting area, wherein the light-emitting area is centrally positioned relative to the metal substrate;
a lens element positioned adjacent to the housing;
a ring-shaped retaining element configured to retain the lens element relative to the housing;
a first seal formed between the ring-shaped retaining element and the lens element and a second seal formed between the lens element and the housing;
wherein:
the chip-on-board light-emitting device is attached to the housing by one or more substrate fasteners positioned through one or more of the substrate mounting holes;
the chip-on-board light-emitting device is positioned within the housing;
the chip-on-board light-emitting device has a power consumption of at least 50 watts.
12. The lighting assembly according to claim 11 , wherein the one or more substrate fasteners comprise one or more screws or one or more bolts.
13. The lighting assembly according to claim 12 , wherein:
the ring-shaped retaining element is configured to compress the lens element toward the housing;
the first seal is formed by a sealant element compressed between the ring-shaped retaining element and the lens element.
14. The lighting assembly according to claim 13 , wherein a distance between the chip-on-board light-emitting device and the lens element is between 0.25 inches and 0.5 inches.
15. The lighting assembly according to claim 12 , wherein the housing has an outer surface that is generally cylindrical.
16. The lighting assembly according to claim 11 , further comprising:
a second housing, the second housing comprising a second metal; a second chip-on-board light-emitting device comprising:
a second substrate;
a second light-emitting area;
at least one voltage converter configured to operate the chip-on-board light-emitting device and the second chip-on-board light-emitting device;
wherein:
the second chip-on-board light-emitting device is attached to the second housing by one or more second substrate fasteners;
an outer surface of the second housing is generally cylindrical;
the second chip-on-board light-emitting device is positioned within a generally cylindrical portion of the second housing;
the chip-on-board light-emitting device and the second chip-on-board light-emitting device have a collective power consumption of at least 100 watts.
17. The lighting assembly according to claim 16 , wherein a distance between the chip-on-board light-emitting device and the lens element is greater than 0.5 inches.
18. The lighting assembly according to claim 16 , wherein the chip-on-board light-emitting device and the second chip-on-board light-emitting device have a collective power consumption of at least 200 watts.
19. The lighting assembly according to claim 16 , wherein the chip-on-board light-emitting device further comprises:
a template surrounding the light-emitting area, wherein the metal substrate extends beyond the template and the substrate mounting holes are positioned beyond the template;
solder pads positioned adjacent to the light-emitting area.
20. The lighting assembly according to claim 19 , further comprising a reflector element positioned between the chip-on-board light-emitting device and the lens element.
21. The lighting assembly according to claim 20 , wherein the at least one voltage converter has a power output of at least 200 watts;
the lighting assembly further comprises protection circuitry configured to protect from overheating the chip-on-board light-emitting device.
22. The lighting assembly according to claim 16 , wherein the ring-shaped retaining element is configured to compress the lens element toward the housing.
23. The lighting assembly according to claim 11 , wherein:
the housing includes at least one port configured to allow an ambient environment to contact the metal substrate;
greater than 30% of the upper surface of the metal substrate is covered by the light-emitting area.
24. The lighting system according to claim 16 , wherein the chip-on-board light-emitting device includes electrical tabs extending beyond the template.
25. The lighting assembly according to claim 24 , wherein the housing and the second housing are configured to be attached to a transom of a boat.
26. The lighting assembly according to claim 25 , wherein the chip-on-board light-emitting device is configured to emit red light, green light, blue light, and white light.
27. The lighting assembly according to claim 17 , wherein the housing and the second housing are configured to be attached to a transom of a boat.
28. The lighting assembly according to claim 19 , wherein the housing and the second housing are configured to be attached to a transom of a boat.
29. The lighting assembly according to claim 11 , further comprising:
a second chip-on-board light-emitting device comprising:
a second substrate;
a second light-emitting area;
a second lens element positioned adjacent to the housing;
at least one voltage converter configured to operate the chip-on-board light-emitting device and the second chip-on-board light-emitting device;
wherein:
the second chip-on-board light-emitting device is attached to the housing by one
or more second substrate fasteners;
an outer surface of the housing is generally cubic;
the second chip-on-board light-emitting device is positioned within the housing;
the chip-on-board light-emitting device and the second chip-on-board light-emitting device have a collective power consumption of at least 100 watts.
30. The lighting assembly according to claim 29 , wherein a distance between the chip-on-board light-emitting device and the lens element is greater than 0.5 inches.
31. The lighting assembly according to claim 29 , wherein the collective power consumption of the chip-on-board light-emitting device and the second chip-on-board light-emitting device have a power consumption of is at least 200 watts.
32. The lighting assembly according to claim 29 , wherein
the chip-on-board light-emitting device further comprises:
a template surrounding at least a portion of the light-emitting area;
electrical tabs extending beyond the template, wherein the electrical tabs are electrically connected to wires;
the chip-on-board light-emitting device is configured to emit more than one color of light.
33. The lighting assembly according to claim 29 , further comprising a reflector element positioned between the chip-on-board light-emitting device and the lens element.
34. The lighting assembly according to claim 33 , wherein:
the at least one voltage converter has a power output of at least 200 watts;
the lighting assembly further comprises protection circuitry configured to protect against overheating the chip-on-board light-emitting device.
35. The lighting assembly according to claim 33 , wherein:
the ring-shaped retaining element is configured to compress the lens element toward the housing;
the first seal is formed by a sealant element compressed between the ring-shaped retaining element and the lens element.
36. The lighting system according to claim 32 , wherein the chip-on-board light-emitting device is configured to emit red light, green light, blue light, and white light.
37. The lighting assembly according to claim 35 , wherein:
the housing is configured to be attached to a transom of a boat;
the chip-on-board light-emitting device is electrically connected to the housing.
38. A lighting assembly, comprising:
a housing comprising a metal, wherein the housing is a single body;
holes extending through the housing, wherein the holes are configured for accepting fasteners for attaching the housing to a hull of a marine vehicle;
a chip-on-board light-emitting device, comprising:
a substrate;
a light-emitting area;
a template surrounding the light-emitting area;
a lens element positioned adjacent to the housing;
a first seal formed between a retaining element and the lens element and a second seal formed between the lens element and the housing;
wherein:
the chip-on-board light-emitting device is attached to the housing by one or more substrate fasteners;
an outer surface of the housing is generally cubic;
the chip-on-board light-emitting device has a power consumption of at least 50 watts.
39. The lighting assembly according to claim 38 , wherein
the retaining element comprises a ring-shaped retaining element is configured to compress the lens element toward the housing;
wherein the first seal is formed by a sealant element compressed between the ring-shaped retaining element and the lens element.
40. The lighting assembly according to claim 39 , wherein
the one or more substrate fasteners comprise one or more screws, bolts, or rivets;
the chip-on-board light-emitting device is electrically connected to the housing.
41. The lighting assembly according to claim 38 , further comprising:
a second chip-on-board light-emitting device comprising:
a second substrate;
a second light-emitting area;
a second lens element positioned adjacent to the housing;
at least one voltage converter configured to operate the chip-on-board light-emitting device and the second chip-on-board light-emitting device;
wherein:
the second chip-on-board light-emitting device is positioned at least partially within the housing;
the second chip-on-board light-emitting device is attached to the housing by one or more substrate fasteners;
the chip-on-board light-emitting device and the second chip-on-board light-emitting device have a collective power consumption of at least 100 watts.
42. The lighting assembly according to claim 41 , wherein
the chip-on-board light-emitting device is configured to emit red light, green light, blue light, and white light; and
the second chip-on-board light-emitting device is configured to emit red light, green light, blue light, and white light.
43. The lighting assembly according to claim 41 , wherein the collective power consumption of the chip-on-board light-emitting device and the second chip-on-board light-emitting device collectively have a power consumption of is at least 200 watts.
44. The lighting assembly according to claim 43 , wherein:
the chip-on-board light-emitting device includes solder pads positioned within the template;
the substrate extends beyond the template and includes mounting holes.
45. The lighting assembly according to claim 42 , further comprising a reflector element positioned between the chip-on-board light-emitting device and the lens element.
46. The lighting assembly according to claim 45 , wherein:
the at least one voltage converter has a power output of at least 200 watts; and
the lighting assembly further comprises protection circuitry configured to protect against overheating the chip-on-board light-emitting device.
47. The lighting assembly according to claim 39 , further comprising a second retaining element, wherein the second retaining element is configured to compress a second lens element toward the housing.
48. The lighting assembly according to claim 38 , wherein:
the housing includes at least one port configured to allow an ambient environment to contact the substrate; and
greater than 30% of the upper surface of the substrate is covered by the light-emitting area.
49. The lighting system according to claim 41 , wherein:
the chip-on-board light-emitting device is configured to emit more than one color of light; and
the lighting assembly further comprises a control circuit for controlling the more than one color of light.
50. The lighting assembly according to claim 44 , wherein the housing is configured to be attached to the a transom of a boat and the housing includes a flat back surface.
51. The lighting assembly according to claim 41 , wherein:
each of the substrates of the chip-on-board light-emitting device and the second chip-on-board light-emitting device comprises copper;
the housing comprises aluminum.
52. The lighting system according to claim 42 , wherein:
the chip-on-board light-emitting device further comprises electrical tabs extending beyond the template, wherein the electrical tabs are electrically connected to wires;
the lighting assembly further comprises a control circuit for controlling the multiple colors of light.
53. The lighting assembly according to claim 42 , wherein the housing is configured to be attached to a transom of a boat.
54. A lighting assembly, comprising:
a housing comprising a metal;
holes extending through the housing, wherein the holes are configured for accepting fasteners for attaching the housing to a hull of a marine vehicle;
a chip-on-board light-emitting device, comprising:
a metal substrate;
a light-emitting area;
a template surrounding at least a portion of the light-emitting area;
a lens element positioned adjacent to the housing;
a ring-shaped retaining element configured to retain the lens element relative to the housing;
a first seal formed between the ring-shaped retaining element and the lens element and a second seal formed between the lens element and the housing;
wherein:
the chip-on-board light-emitting device is attached to the housing by one or more substrate fasteners;
wherein the chip-on-board light-emitting device is electrically connected to the housing;
the chip-on-board light-emitting device is positioned within the housing;
the chip-on-board light-emitting device has a power consumption of at least 50 watts.
55. The lighting assembly according to claim 54 , wherein:
the ring-shaped retaining element is configured to compress the lens element toward the housing;
the first seal is formed by a sealant element compressed between the ring- shaped retaining element and the lens element.
56. The lighting assembly according to claim 55 , wherein:
the one or more substrate fasteners comprise one or more screws, bolts, or rivets;
the metal substrate is electrically connected to the housing.
57. The lighting assembly according to claim 54 , wherein the housing has an outer surface that is generally cylindrical.
58. The lighting assembly according to claim 54 , further comprising:
a second housing,
a second chip-on-board light-emitting device comprising:
a second substrate;
a second light-emitting area;
at least one voltage converter configured to operate the chip-on-board light-emitting device and the second chip-on-board light-emitting device;
wherein:
the second chip-on-board light-emitting device is attached to the second housing by one or more second substrate fasteners;
an outer surface of the second housing is generally cylindrical;
the second chip-on-board light-emitting device is positioned within a generally cylindrical portion of the second housing;
the chip-on-board light-emitting device and the second chip-on-board light-emitting device collectively have a collective power consumption of at least 100 watts.
59. The lighting assembly according to claim 58 , wherein the housing includes a flat back face.
60. The lighting assembly according to claim 58 , wherein:
the chip-on-board light-emitting device and the second chip-on-board light-emitting device have a collective power consumption of at least 200 watts;
the metal substrate extends beyond the template and includes substrate mounting holes;
the chip-on-board light-emitting device includes solder pads positioned within the template.
61. The lighting assembly according to claim 58 , further comprising:
a reflector element positioned between the chip-on-board light-emitting device and the lens element;
protection circuitry configured to protect from overheating the chip-on-board light-emitting device.
62. The lighting assembly according to claim 61 , wherein the at least one voltage converter has a power output of at least 200 watts.
63. The lighting assembly according to claim 62 , wherein the ring-shaped retaining element is configured to compress the lens element toward the housing.
64. The lighting assembly according to claim 54 , wherein:
the housing includes at least one port configured to allow an ambient environment to contact the metal substrate;
greater than 30% of the upper surface of the metal substrate is covered by the light-emitting area.
65. A lighting assembly, comprising:
a housing comprising a metal, wherein the housing has a generally flat back face configured to contact a hull of a marine vehicle when the housing is attached to the hull;
holes extending through the housing, wherein the holes are configured for accepting housing fasteners for attaching the housing to the hull of the marine vehicle;
a chip-on-board light-emitting device, comprising:
a metal substrate;
a light-emitting area;
a template surrounding at least a portion of the light-emitting area;
solder pads positioned within the template;
a lens element positioned adjacent to the housing;
a ring-shaped retaining element configured to retain the lens element relative to the housing;
a first seal formed between the ring-shaped retaining element and the lens element and a second seal formed between the lens element and the housing;
wherein:
the chip-on-board light-emitting device is attached to the housing by one or more fasteners;
the chip-on-board light-emitting device is positioned within the housing;
the chip-on-board light-emitting device has a power consumption of at least 50 watts.
66. The lighting assembly according to claim 65 , wherein;
the metal substrate extends beyond the template and includes mounting holes.
67. The lighting assembly according to claim 66 , wherein:
the ring-shaped retaining element is configured to compress the lens element toward the housing;
the first seal is formed by a sealant element compressed between the ring-shaped retaining element and the lens element.
68. The lighting assembly according to claim 65 , wherein:
the one or more fasteners comprise one or more screws, bolts, or rivets;
the chip-on-board light-emitting device is electrically connected to the housing.
69. The lighting assembly according to claim 65 , further comprising:
a second housing;
a second chip-on-board light-emitting device comprising:
a second substrate;
a second light-emitting area;
at least one voltage converter configured to operate the chip-on-board light-emitting device and the second chip-on-board light-emitting device;
wherein:
the second chip-on-board light-emitting device is attached to the second housing by one or more second fasteners;
an outer surface of the second housing is generally cylindrical;
the second chip-on-board light-emitting device is positioned within a generally cylindrical portion of the second housing.
70. The lighting assembly according to claim 65 , wherein the metal substrate further comprises access holes.
71. The lighting assembly according to claim 69 , wherein:
the chip-on-board light-emitting device and the second chip-on-board light-emitting device have a collective power consumption of at least 200 watts.
72. The lighting assembly according to claim 69 , wherein:
the at least one voltage converter has a power output of at least 200 watts;
the lighting assembly further comprises:
protection circuitry configured to protect from overheating the chip-on-board light-emitting device;
a reflector element positioned between the chip-on-board light-emitting device and the lens element.
73. The lighting assembly according to claim 68 , wherein the metal substrate is electrically connected to the housing.
74. The lighting assembly according to claim 65 , wherein
the housing includes at least one port configured to allow an ambient environment to contact the metal substrate;
greater than 30% of the upper surface of the substrate is covered by the light-emitting area.
75. The lighting system according to claim 24 , wherein the metal substrate further comprises access holes.
76. The lighting system according to claim 54 , wherein the metal substrate further comprises access holes.