Power supply drive circuit for display panel

Power supply drive circuit for display panel

CN
  • CN 1,838,219 A
  • Filed: 03/21/2005
  • Published: 09/27/2006
  • Est. Priority Date: 03/21/2005
  • Status: Active Application
First Claim
Patent Images

1. the power driving circuit of a display screen is electrically connected at AC power and drives display screen with power conversion, it is characterized in that, described power driving circuit comprises:

  • One resident electric system, keep electric connection with described AC power normality, described resident electric system provides resident electric power to one power-supply controller of electric that supplies display screen to start or close, and is received an outside keying signal and exported a drive signal by described power-supply controller of electric;

    One low-voltage power converting system is kept electric connection with described AC power normality, and described low-voltage power converting system is started by described drive signal or closes the low-voltage load that drives display screen with decision output low pressure power conversion;

    One high-tension electricity converting system is kept electric connection with described AC power normality, and described high-tension electricity converting system is started by described drive signal or closes the high voltage load that drives display screen with decision output high pressure power conversion.

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