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METHOD FOR DRIVING A LIGHT SOURCE AND LIGHT SOURCE APPARATUS FOR PERFORMING THE METHOD

  • US 20100171690A1
  • Filed: 06/11/2009
  • Published: 07/08/2010
  • Est. Priority Date: 01/06/2009
  • Status: Active Grant
First Claim
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1. A method for driving a light source, the light source comprising light-emitting blocks, each of the light-emitting blocks including a first-color light source which emits first-color light and a second-color light source which emits second-color light, the second-color light source comprising a third-color chip and a fourth-color phosphor disposed on the third-color chip, the third color chip and the fourth-color phosphor disposed as one package to emit the second-color light therefrom, the method comprising:

  • compensating a driving current of the first-color light source and a driving current of the second-color light source of each of the light-emitting blocks to generate a compensated driving current of the first-color light source and a compensated driving current of the second-color light source; and

    driving the first-color light source and the second-color light source based on the compensated driving current of the first-color light source and the compensated driving current of the second-color light source, respectively.

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