| 摘要 |
A brightness controlling device for a flat panel display and a method of controlling brightness. The brightness controlling device for a flat panel display includes an operator adapted to calculate a brightness level of a video signal per unit image of the video signal, a comparator adapted to compare the calculated brightness level with a reference brightness level to generate a comparison result, and a PWM clock generator to convert a frequency of a PWM clock corresponding to the video signal on the basis of the comparison result.
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