| 摘要 |
The present invention relates to an LED lighting device having power supply parts. To solve an existing problem required for periodic replacement due to a power supply part with a relatively shorter lifetime compared to an LED, the LED lighting device comprises power supply parts. The LED is driven by a first-stepped power supply part of the power supply parts. After that, the LED can be driven by a next-stepped power supply part when the first-stepped power supply part cannot supply power. |
