Patent ID: 9510409
Filing Date: 2016-11-29
CPC Classification: H05B,Y02B

Claim Text:
1. A light emitting diode driving system with light signals carried via power lines applied to a light emitting diode lamp string, the light emitting diode driving system comprising: a switch unit comprising a power input side, a power output side and a controlled side, the power output side electrically connected to the light emitting diode lamp string; a control unit electrically connected to the switch unit; a light signal generating unit electrically connected to the control unit and the power output side; and a controlling side zener diode electrically connected to the control unit and supplying power to the control unit, wherein the controlling side zener diode, the switch unit and the light emitting diode lamp string are connected in series; the light signal generating unit generates the light signal when the control unit turns off the switch unit; the light signal generating unit sends the light signal to the light emitting diode lamp string.