Search form

You are here

Human Centric Lighting Library

The right light in the right place at the right time. 

We believe that human centric lighting describes characteristics of light that improve life.  This may include visual perception, how lighting affects mood or health, or the ability to tune light based on preference or need.  In other words, the right light in the right place at the right time.

Lighting specifiers, designers, and luminaire manufacturers regularly consider color quality metrics such as CRI and TM-30, as well as individual spectral power distributions (SPDs), when making decisions regarding light source selection.  However, until now, there has been no metric that quantifies the naturalness of a light source.  Average Spectral Difference (ASD) provides an objective measurement of how closely a light source matches natural light over the visible spectrum.

To learn more about the ASD metric, please review the Bridgelux whitepaper:  Average Spectral Difference, a new method to make objective comparisons of naturalness between light sources; or contact your Bridgelux sales representative.

Below are links to information about human centric lighting that we have found useful as we continue to evolve our understanding and definition of this topic within the industry.  *

Research or Government Institutions
Industry organizations
Events and other resources



*These links are provided for general informational purposes about human centric lighting.  These links are to publicly available information that generally discuss ideas and information about human centric lighting.  Bridgelux is not responsible for the content on these websites and cannot confirm that the information is correct or accurate.  Bridgelux does not accept any responsibility for the information provided in the links.  Users are advised to use the information at their own risk.