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COLOR TEMPERATURE ADJUSTING METHOD AND ILLUMINATING DEVICE USING THE METHOD

  • US 20140175987A1
  • Filed: 10/18/2013
  • Published: 06/26/2014
  • Est. Priority Date: 12/24/2012
  • Status: Abandoned Application
First Claim
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1. A color temperature adjusting method comprising steps:

  • providing a controller storing a color temperature setting value therein, a main white light source comprising a first sub-main white light source and a second sub-main white light source having a color temperature different from that of the first sub-main white light source, and an adjusting light source comprising a red light source, a green light source and a blue light source;

    comparing the color temperature setting value with that of a environmental light to obtain a difference value;

    controlling brightness of each of the first and second sub-main white light sources, the red light source, the green light source and the blue light source according to the difference value to obtain a compensation light; and

    mixing the compensation light with the environmental light to obtain a resulted light which has a color temperature equal to the color temperature setting value stored in the controller.

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