Driver for backlight unit

Driver for backlight unit

  • CN 101,727,834 A
  • Filed: 09/15/2009
  • Published: 06/09/2010
  • Est. Priority Date: 10/28/2008
  • Status: Active Application
First Claim
Patent Images

1. driver that is used for back light unit, this driver comprises:

  • First lamp that is connected in parallel to each other and second lamp;

    The DC/AC converter section, it converts dc voltage to AC voltage to apply AC voltage to described lamp;

    Transformer, its conversion is from the AC voltage of described DC/AC converter section;

    The positive polarity AC signals compensator, it uses positive polarity AC signals from described first lamp and second lamp to compensate current difference between described first lamp and second lamp;

    AndNegative polarity AC signal compensator, it uses negative polarity AC signal from described first lamp and second lamp to compensate current difference between described first lamp and second lamp.

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