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Broad spectrum light source calibration systems and related methods

  • US 8,456,092 B2
  • Filed: 08/05/2010
  • Issued: 06/04/2013
  • Est. Priority Date: 09/05/2008
  • Status: Active Grant
First Claim
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1. A light source having an adjustable color point, comprising:

  • a broad spectrum light emitter;

    an LED with a peak emission wavelength within a spectrum of the broad spectrum light emitter; and

    a controller configured to use the LED as a wavelength selective light sensor to measure a portion of the spectrum of the broad spectrum light emitter and to use the LED as a light emitter to produce illumination to adjust a color point of the light source.

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