LIGHT HORN ARRAYS FOR DUCTED LIGHTING SYSTEMS
First Claim
Patent Images
1. A light engine, comprising:
- an array of light horns, each light horn comprising a narrow end, an open wide end, and side walls extending from the narrow end to the wide end, wherein the side walls are shaped as truncated pyramids; and
one or more LEDs located at the narrow end of each of the light horns,wherein each of the light horns provides substantially collimated light from the LEDs at the wide end.
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Abstract
A light engine having an array of light horns. Each light horn has a narrow end, an open wide end, and side walls extending from the narrow end to the wide end with the side walls shaped as truncated pyramids. One or more LEDs are located at the narrow end of each of the light horns with each of the light horns providing substantially collimated light from the LEDs at the wide end.
17 Citations
26 Claims
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1. A light engine, comprising:
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an array of light horns, each light horn comprising a narrow end, an open wide end, and side walls extending from the narrow end to the wide end, wherein the side walls are shaped as truncated pyramids; and one or more LEDs located at the narrow end of each of the light horns, wherein each of the light horns provides substantially collimated light from the LEDs at the wide end. - View Dependent Claims (2, 3, 4, 5, 8, 9, 10, 11, 12)
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6-7. -7. (canceled)
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13. A ducted lighting system, comprising:
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a light duct having a first end and a second end opposite the first end; one or more light-emitting panels on the light duct between the first and second ends; and a light engine coupled the light duct at the first or second end, the light engine comprising; an array of light horns, each light horn comprising a narrow end, an open wide end, and side walls extending from the narrow end to the wide end, wherein the side walls are shaped as truncated pyramids; and one or more LEDs located at the narrow end of each of the light horns, wherein each of the light horns provides substantially collimated light from the LEDs at the wide end, and the wide ends face into the light duct. - View Dependent Claims (16, 17, 20, 21, 22, 23, 24)
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14-15. -15. (canceled)
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18-19. -19. (canceled)
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25. A method of assembling an array of light horns, comprising:
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providing a holder having a plurality of alignment apertures with angled side walls; placing a plurality of first shapes of the light horns into the alignment apertures; and placing a plurality of second shapes of the light horns into the alignment apertures substantially perpendicular and mated with the plurality of first shapes, wherein the alignment apertures are used to form the light horns as truncated pyramids. - View Dependent Claims (26)
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Specification