| 摘要 |
Disclosed is a natural light tracking LED lighting device (1) that has a high degree of freedom in the design, can be installed in any location in a building having two or more stories, and does not require complicated controls. The natural light tracking LED lighting device (1) is equipped with a first solar cell (11) that is installed on an outdoor location such as a roof (4) and generates photovoltaic power, direct current wiring (12) that supplies indoors the power generated by said first solar cell (11) as is, and an LED lighting unit (13) that connects to said direct current wiring (12). In addition, the direct current wiring (12) is split into a plurality of wires that are respectively connected to the LED lighting unit (13). |
