Verification of the effects of circadian lighting on people by wall lighting

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  • 壁面照明によるサーカディアン照明が人に与える影響の検証
  • ヘキメン ショウメイ ニヨル サーカディアン ショウメイ ガ ヒト ニ アタエル エイキョウ ノ ケンショウ

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Disruption of the worker's biological rhythm contributes to a decrease in the productivity and concentration of the worker. A circadian light system (hereafter, circadian light) that changes the color temperature of the ceiling light every time has been proposed to improve the disturbance of the biological rhythm. Circadian light not only improves the comfort and concentration of the worker when working, but also improves the disturbance of the biological rhythm of the worker. However, general office ceiling light, which cannot change color temperature and illuminance, is widely used, so introducing circadian light requires large-scale construction and is not easy. In this study, we propose a method to reproduce circadian light using wall lighting that can be installed at low cost and that can easily change the atmosphere of the room. As a result of the experiment, comfort and concentration improved when the circadian wall lighting was turned on. It was also found that the subject's preferred color temperature decreased from noon to evening.

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