LpR_75_Full_237650.pdf

Interview: Wilfried Kramb Research: IR Thermography & Micro Optics Technologies: EMI Reduction & Thin LED Modules Special Topic: Circular Economy COMMENTARY Providing Better Light Should Still be the Focus of the SSL Industry by J. Norman Bardsley, PhD, Bardsley Consulting (p 08) TECH-TALKS BREGENZ Wilfried Kramb, Interior & Lighting Designer, a∙g Licht compiled by Dr. Guenther Sejkora, LED professional (p 32) RESEARCH Temperature Profiling of Secondary LED Optics by Infrared Thermography by Peter W. Nolte et al., South Westphalia University of Applied Sciences, Fraunhofer Application Center for Inorganic Phosphors & TRILUX (p 38) On Life Cycle Assessment to Quantify the Environmental Impact of Lighting Products by V. Ferreira, D. Wolff, & C. Corchero,Catalonia Institute for Energy Research (IREC) (p 44) Design and Tolerancing of Freeform Microlens Arrays for Solid-State Lighting by Oscar Fernándezet al., CSEM (p 58) TECHNOLOGIES Spread Spectrum Frequency Modulation Reduces EMI by Greg Zimmer & Kevin Scott, Analog Devices (p 64) 12 Years of Progress in Manufacturing White LEDs by Rob Alferink, PicusLED & Arno Grabher-Meyer, LED professional (p 70) APPLICATIONS Inspiration from a Parallel Universe: Reviving the Vision of OLED by Matt Hanbury, Lightly Technologies (p 76) Lighting the Way to Greater Well-Being by Makoto Ogawara & Giovanni Vecchio, Nichia (p 82) SPECIAL TOPICS The Adverse Ecological Impacts of Light Pollution: LEDs' Role in Mitigation by Dr. C. J. Macgregor & Dr. D. M. Evans, University of York & Newcastle University (p 86)