LpR78_Full_624372.pdf

Unified Glare Rating p 30 Photobiomodulation p 34 The Perfect Light p 48 Editorial: Individualization of Connected Lighting COMMENTARY (p 8) Why Comfortable Lighting Needs New Quality Parameters by Kenneth MARTIN, Dipl.-Ing.(FH), Light Source Specialist at Zumtobel Group INTERANTIONAL LIGHTING NEWS (p 10) REGULATION NEWS (p 29) UNIFIED GLARE RATING (p 30) Discomfort Caused by Glare from Luminaires with a Non-Uniform Source Luminance by Peter THORNS BSc(Hons), CEng, FCIBSE, FSLL, Head of Strategic Lighting Applications and Global Lighting Applications at Zumtobel Group TECH-TALKS BREGENZ: Photobiomodulation (p 34) Jürgen HONOLD, Program Director at Seaborough Life Sciences, The Netherlands compiled by Arno Grabher-Meyer, LED professional FLICKER DIRECTIVE (p 42) New Directive in Europe: Flicker of LED Lighting by Peter Erwin, CEO and Design Engineer at Der Lichtpeter THE PERFECT LIGHT (p 48) In Search of the Perfect Light by Stephen MASON, Dr., Managing Director at Sustainable Eye Health TUNABLE SPECTRUM (p 54) A New Method to Tune an LED Spectrum by Daniel HAN, Business Development Director at Beijing Yuji International CIRCADIAN ENTRAINMENT (p 60) LED Lighting for Circadian Entrainment by Bill CHAN, M.Sc., President of LiteController LED TECH IMPLEMENTATION (p 64) How to Implement the Latest LED Technology for a Successful Application by Marc JUAREZ, Technical Director Europe of Seoul Semiconductor ADVERTORIAL | Measurement Devices (p 68) Integrated Solution for Human Centric Lighting (HCL) / Integrative Lighting Assessment by Gigahertz-Optik THERMAL MEASUREMENT (p 70) Challenges for Measuring Multichip LED Light Engines for Interior Lighting Applications by Mete MUSLU, MSc, Research Assistant at Ozyegin University DRIVER EFFICIENCY (p 76) How to Increase the Efficiency of Two-Stage Drivers by Dr. Michael WEIRICH, Senior Manager Application Engineering at Infineon Technologies TRACK-LIGHT DRIVER (p 80) Designing an Invisible Driver for High-End Track Lights by Mickey MADSEN, Dr., CEO of Nordic Power Converters