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Charging indication apparatus and method thereof

  • US 9,293,933 B2
  • Filed: 06/06/2014
  • Issued: 03/22/2016
  • Est. Priority Date: 01/08/2014
  • Status: Active Grant
First Claim
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1. A charging indication apparatus, suitable for an electronic apparatus, comprising:

  • a backlight module;

    a frequency dividing unit, dividing a switching signal for controlling an operation frequency of a power conversion circuit to generate a divided frequency signal; and

    a backlight controller, coupled to the backlight module and the frequency dividing unit and controlling the backlight module to emit a backlight source serving as a charging indication signal according to the divided frequency signal.

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