JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN
Online ISSN : 1349-838X
Print ISSN : 0019-2341
ISSN-L : 0019-2341
Trends in Standardization for Quantifying Non-Image-Forming Effects of Optical Radiation(<Feature>Indoor Lighting at Night Taking Effect of Light on Circadian Rhythm into Consideration)
Yasuko Koga
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2015 Volume 99 Issue 1 Pages 28-31

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Abstract

European lighting industry is developing and standardizing spectral efficiency functions that can be used to evaluate lighting conditions with respect to their potential to achieve eye-mediated, non-visual effects of light on humans. They are also promoting "human-centric lighting" that can give visual, physiological and emotional benefits to humans beyond the energy efficiency. German Institute for Standardization (DIN) is proactive in those actions. They have published design guidelines for biologically effective lighting. However, experts provide regulatory authorities, lighting manufacturers, designers and engineers with caution about biologically effective lighting design. It requires careful, informed consideration of the user context and environmental conditions as well as sufficient scientific knowledge about various effects of light on human physiology and behavior. This report describes those trends in standardization for quantifying non-visual effects of light on humans and in lighting applications.

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© 2015 The Illuminating Engineering Institute of Japan
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