| 摘要 |
A light emitting diode (LED) lighting unit applied to a fluorescent lighting fixture including a light emitting diode (LED) lighting unit mounted in an existing fluorescent lighting fixture; a source part being disposed in the LED lighting unit; polarity being switched by means of the source part installed in the LED lighting unit depending on the direction of the installation direction of the LED lighting unit; the LED lighting unit being capable of coping with changed polarity resulted from any direction of the installation; a first bridge rectifier and a second bridge rectifier installed in the LED lighting unit functioning to rectify the current supplied from a ballast of the fluorescent lighting fixture and to conduct a light emitting diode (LED) assembled unit connected in series and parallel. |
