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Luminaire for use in a system for generating non-homogenous light and associated methods

  • US 9,723,682 B2
  • Filed: 01/30/2017
  • Issued: 08/01/2017
  • Est. Priority Date: 05/15/2011
  • Status: Active Grant
First Claim
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1. A luminaire for use in a lighting apparatus comprising a plurality of luminaires and a computerized device, the luminaire comprising:

  • a plurality of light-emitting diodes (LEDs); and

    a controller, configured to communicate with the computerized device, and coupled to the plurality of LEDs, and configured to operate the luminaire to emit source light, the source light being characterized by a dominant source light wavelength within a range from 390 nanometers to 750 nanometers;

    wherein the controller is configured to operate the plurality of LEDs to emit a source light with a different dominant source light wavelength than the source light of at least one other luminaire in the lighting apparatus, and such that the source light emitted by the luminaire is combined with the source light emitted by the at least one other luminaire to form a combined light at a distance from the luminaire defined as a combining distance;

    wherein the dominant source light wavelength of the luminaire is variable with time; and

    wherein the controller operates the plurality of LEDs such that a color temperature of the combined light does not vary more than 5% across the length and width of the area of illumination while the dominant source wavelength varies with time.

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