| 摘要 |
PROBLEM TO BE SOLVED: To provide an illumination device capable of prolonging the life of a light source unit which radiates UV light.SOLUTION: An illumination device 100 comprises: a light source unit 2 provided with a first light source 10 for radiating UV light which accelerates generation of vitamin D and a second light source 20 for radiating visible light; a user detection unit 30 which detects a user; a lighting control unit 50 which controls lighting of the light source unit 2 so that the light source unit 2 is lit only when the user detection unit 30 has detected a user; and a power source unit 60.SELECTED DRAWING: Figure 1 |
