A Proposal for an Integrated Model to Evaluate the Circadian Effects of Mesopic Light Sources  

作　　者：Weisen Zeng Yu Bian 

机构地区：[1]School of Physics and Optoelectronics,South China University of Technology,Guangzhou 510640,China [2]State Key Laboratory of Subtropical Building Science,School of Architecture,South China University of Technology,Guangzhou 510640,China

出　　处：《Journal of Harbin Institute of Technology(New Series)》2020年第6期48-56,共9页哈尔滨工业大学学报（英文版）

基　　金：Sponsored by the Opening Funds of State Key Laboratory of Building Safety and Built Environment and National Engineering Research Center of Building Technology(Grant No.BSBE2018-01);the Fundamental Research Funds for the Central Universities(Grant No.2018ZD34);the Autonomous Research Project of State Key Laboratory of Subtropical Building Science(Grant No.2017KB11).

摘　　要：With the increasing attention on circadian effects driven by light,lighting industry has inspired a revolution of photobiological lighting design.Due to diverse evaluation criteria for visual and non⁃visual systems,models that combine these evaluation parameters are indeed urgent.Thus,an integrated model for mesopic lighting evaluation of circadian effects was proposed.The circadian efficiency function adopted in this study was synthesized by CIE 1931 XYZ 2 deg color matching functions and standard scotopic sensitivity function.Then,the integrated model composed of International Commission on Illumination 1931 xy chromaticity coordinates,scotopic/photopic ratio,and illuminance could be obtained with synthesized circadian efficiency function.The model showed that for light sources with fixed chromaticity coordinates and fixed illuminance,enhancing the circadian effects is equivalent to increasing the scotopic/photopic ratio,which suggests a useful method for practitioners to explore the photobiologically reasonable spectrum for mesopic lighting.Light⁃emitting diodes spectra optimized by four⁃component color⁃mixing method were employed to figure out the property of the integrated model.

关 键 词：circadian effects mesopic lighting scotopic/photopic ratio 

分 类 号：TU113[建筑科学—建筑理论]