| 摘要 |
A street lamp is provided to decrease the danger of the accident and to secure the line-of-sight distance when mist is generated by selectively irradiating the light of different wavelength. The head unit(40) is installed at the support. The first optical source section for illuminating the surrounding is installed at the head unit. The second optical source section for illuminating the surrounding in the generation of mist is installed at the head unit. The canopy(41) is installed at the support. The reflective member(44) reflecting the light irradiated from the light source is installed at the inner surface of head portion. optical source section is made of a plurality of second light emitting diodes (143e) or the second lamp. |
