Human Centric Circadian Lighting – How it works and why it is beneficial

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Organisation profile

LED Group is Ireland's largest lighting company with a global presence and a reputation for first class customer service and products.   The ROBUS range of products integrates new technologies with an emphasis on high performance LEDs, focusing on energy savings and functionality. LED Group's core values are that of accountability – we always do what we say we will do, ambition, empowerment, customer focus and fast pace.   

Training aim

Introduction to the principles of human centric lighting and its effects on the circadian rhythm of humans; explanation of how to design lighting programmes; introduction to a typical HCL system

Learning objectives

a. The science of colour

b. How a two channel tunable white light works

c. Why the sky is blue

d. Introduction to circadian rhythms

e. The non-visual (melanopic) response of the human eye and melatonin

f. Scientific evidence of the benefits of human centric lighting

g. The Hamburg School Dynamic Lighting Study

h. DIN SPEC for Biologically Effective Lighting

i. Why CCT range is important

j. Key factors impacting

k. Design and case study of a human centric circadian lighting system

Course outline

  • The Strategic LED Lighting Roadmap 2016-2025
  • The Biological Effects of Light
    • The Science of Colour
    • The Science of Circadian Rhythms
    • The Non-Visual Response of the Eye
  • The Scientifically Evidenced Benefits of Human Centric Lighting
  • DIN SPEC 67600:2013-04 Biologically (Melanopic) effective illumination
  • HUMANITAS – concept and range: delivering human centric circadian lighting

Trainer's profile

Pat Kelly

Research, Development and Innovation Director

Physicist – University of Dublin (Trinity College) B.A. (Mod.) 1986, Ph.D. 1992

Research, Development and Innovation Director at LED GROUP

Inventor with 7 granted patents in Europe and USA; author

Course duration

2 hours

Assessment & certification

CPD Hours

Who should attend

Lighting Specifiers, Lighting Designers, Consulting Engineers, Architects, Contractors, Facility/Building Managers.