LED (Light emitting diode) backlight driving circuit, backlight module and liquid crystal display device

LED (Light emitting diode) backlight driving circuit, backlight module and liquid crystal display device

  • CN 102,750,920 A
  • Filed: 07/02/2012
  • Published: 10/24/2012
  • Est. Priority Date: 07/02/2012
  • Status: Active Application
First Claim
Patent Images

1. a LED-backlit driving circuit comprises LED lamp bar and control module, it is characterized in that;

  • Said control module comprises the light modulation gate-controlled switch;

    Said LED lamp bar is connected in series with said light modulation gate-controlled switch, it is characterized in that said light modulation gate-controlled switch two ends parallel connection is provided with voltage dependent resistor (VDR).

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