| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting device capable of reducing power consumption by improving its convenience or use efficiency of light.SOLUTION: The lighting device includes a plurality of LEDs (2), and reflectors (3A, 3B) for guiding light from the LEDs (2) on a light emitting side of the lighting device. The reflectors (3A, 3B) includes a first reflector (3A) having wide light-distribution performance, and a second reflector (3B) having narrow light-distribution performance. When widening a light distribution of the light from the lighting device, both LEDs (2) corresponding to the first and second reflectors (3A, 3B) are lighted up. When narrowing the light distribution of the light from the lighting device, the LEDs (2) only corresponding to the second reflector (3B) are lighted up. |
