| 摘要 |
A lighting system includes: a light-discharging portion (18) configured to irradiate a space (14) with light from a duct (17) configured to propagate outside light; a light-diffusing portion (21,21a,21b) disposed so as to cover the light-discharging portion (18) and configured to diffuse light entering an incident surface and going out from a light-emitting surface facing the space (14); and a light source unit including a light source (22) configured to emit light directed toward the incident surface of the light-diffusing portion (21,21a,21b). Accordingly, light emission of the light-emitting surface is controlled irrespective of the condition of the outside light and hence desired illumination is realized. |
