Light-emitting dioxide (LED) high voltage power source

The invention discloses a light-emitting dioxide (LED) high voltage power source and related to the technical field of a lighting device. The LED high voltage power source comprises a power source input positive end V+, a power source input negative end V-, a conducting and radiating circuit unit, an input filter circuit unit, a control circuit unit, a boosted circuit unit, a constant current circuit unit, an output filter circuit unit, an output load positive end LED+ and an output load negative end LED-. Compared with the prior art, the LED high voltage power source has the advantages of being high in outputted voltage and power efficiency up to 94%, stable in operation, low in cost and high in current controlling accuracy.