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Backlight driving method

  • US 7,256,555 B2
  • Filed: 06/29/2005
  • Issued: 08/14/2007
  • Est. Priority Date: 12/28/2004
  • Status: Active Grant
First Claim
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1. A method of driving a backlight unit, the backlight unit including a plurality of lamps sequentially turned on/off, each of the plurality of lamps being periodically turned on for a predetermined period, the method comprising:

  • applying a first lamp current to one of the plurality of lamps for a first time period within the predetermined period so that the one of the plurality of lamps emits light with a first brightness; and

    applying a second lamp current to the one of the plurality of lamps for a second time period within the predetermined period so that the one of the plurality of lamps emits light with a second brightness,wherein the first time period includes a first time segment and a second time segment, and the first time segment and the second time segment are separated by the second time period.

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