| 摘要 |
PROBLEM TO BE SOLVED: To provide a light collection device capable of sufficiently collecting light into a room, even in a narrow space between adjacent buildings or a building having a small window that cannot utilize direct light.SOLUTION: In a light collection device 1, light collection means 11 for collecting light falling vertically downward along an outer wall B of a building is provided in eaves 10 protrusively provided on an opening part W and capable of transmitting light; and light is collected in the vicinity of a glass surface Wa of the opening part W by the light collection means 11.SELECTED DRAWING: Figure 1 |
