当前位置: X-MOL 学术Lighting Res. Technol. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Circadian tuning with metameric white light: Visual and non-visual aspects
Lighting Research & Technology ( IF 2.5 ) Pub Date : 2020-12-25 , DOI: 10.1177/1477153520976934
T Aderneuer 1 , O Stefani 2 , O Fernández 1 , C Cajochen 2, 3 , R Ferrini 1
Affiliation  

The growing awareness of the biological effects of electric light on humans has stimulated ample research. New research has been devoted to lighting solutions that dynamically change their colour to mimic spectral changes of daylight. However, in some situations, the visual properties of light must be preserved, such as when working under standardised lighting conditions to do colour correction in post-production. We have investigated the possibility to tune circadian effects using white lights that are spectrally different but nonetheless appear as a similar white tone. Our simulation results, for example, sets of light-emitting diodes, indicate that it is possible to modulate circadian light effects from 0.20 to 0.41 circadian stimulus by combining light-emitting diodes to create neutral white (4000 K) light. However, the results also show that the solutions combining single-colour light-emitting diodes leading to similar range between maximum and minimum circadian stimulus (ΔCS > 0.20) have a CRI below 80. Combining narrowband light-emitting diodes with a broadband white light-emitting diode improves the colour-rendering quality, and we show how far circadian light effects can be tuned according to common theoretical models. The aim is to maintain the natural cycle of melatonin levels as much as possible with high light stimulus in the morning and low light stimulus in the evening. Therefore, we show what maximum and minimum circadian effects are possible with a given set of light-emitting diodes.



中文翻译:

昼夜节律与同色异谱白光调谐:视觉和非视觉方面

人们越来越认识到电灯对人类的生物效应,已经引起了广泛的研究。新的研究致力于照明解决方案,该解决方案可以动态改变其颜色以模仿日光的光谱变化。但是,在某些情况下,必须保留光的视觉属性,例如在标准化照明条件下进行工作以在后期制作中进行色彩校正时。我们已经研究了使用光谱上不同但仍然显示为相似白色调的白光来调节昼夜节律效果的可能性。我们的仿真结果(例如,一组发光二极管)表明,通过组合发光二极管以产生中性白光(4000 K),可以将昼夜节律的光效应从0.20调制到0.41。然而,结果还表明,结合单色发光二极管(在最大和最小生物钟刺激之间的范围相似)(ΔCS> 0.20)的解决方案的CRI低于80。将窄带发光二极管与宽带白色发光二极管结合改善了显色质量,并且我们展示了可以根据常见的理论模型将昼夜节律的灯光效果调节到多远。目的是在早晨高光刺激和晚上低光刺激的情况下,尽可能维持褪黑激素水平的自然循环。因此,我们说明了在给定的一组发光二极管下最大和最小的昼夜节律效果是可能的。20)的CRI低于80。将窄带发光二极管与宽带白色发光二极管结合使用可以改善显色质量,并且我们展示了可以根据常见的理论模型将昼夜节律的光效果调节到多远。目的是在早晨高光刺激和晚上低光刺激的情况下,尽可能维持褪黑激素水平的自然循环。因此,我们说明了在给定的一组发光二极管下最大和最小的昼夜节律效果是可能的。20)的CRI低于80。将窄带发光二极管与宽带白色发光二极管结合使用可以改善显色质量,并且我们展示了可以根据常见的理论模型将昼夜节律的光效果调节到多远。目的是在早晨高光刺激和晚上低光刺激的情况下,尽可能维持褪黑激素水平的自然循环。因此,我们说明了在给定的一组发光二极管下最大和最小的昼夜节律效果是可能的。目的是在早晨高光刺激和晚上低光刺激的情况下,尽可能维持褪黑激素水平的自然循环。因此,我们说明了在给定的一组发光二极管下最大和最小的昼夜节律效果是可能的。目的是在早晨高光刺激和晚上低光刺激的情况下,尽可能维持褪黑激素水平的自然循环。因此,我们说明了在给定的一组发光二极管下最大和最小的昼夜节律效果是可能的。

更新日期:2020-12-25
down
wechat
bug