| 摘要 |
PROBLEM TO BE SOLVED: To provide a pseudo skylight window which achieves a change of natural light like a skylight window using energy saving lighting equipment, and in which lighting is made in a color matching a biological rhythm.SOLUTION: A fine weather skylight window lamp receives commercial power supply, and a body control part 3 having a microcomputer inside calculates the time of sunrise and sunset so that a sensor for detecting sunrise and sunset is not necessary. By appropriately adjusting the power supplied to energy saving lighting equipment 4 using an LED or an organic EL, the brightness and colors of the lighting during the day and the night are switched, and an image of a sky that continuously changes in the morning and in the evening is reproduced. |
