×

LED Lamp And Driving Apparatus For The Same

  • US 20090189534A1
  • Filed: 01/30/2008
  • Published: 07/30/2009
  • Est. Priority Date: 01/30/2008
  • Status: Active Grant
First Claim
Patent Images

1. An LED lamp driving apparatus electrically connected between a utility input voltage and at least one LED, comprising:

  • an input rectifying/filtering unit that receives the utility input voltage;

    an isolated power inverter that is electrically connected to the input rectifying/filtering unit to receive an output of the input rectifying/filtering unit to generate an a buck A.C.; and

    an output rectifying/filtering unit that is electrically connected to the isolated power inverter to receive the buck A.C. of the isolated power inverter and then to rectify and filter the buck A.C. into an output D.C. voltage.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×