LpR85 | May/June 2021
LED Business Interview with SAMSUNG’s SVP Un Soo KIM p22
Circular Economy in Lighting Design with Mark RIDLER p30
Breakthroughs: ipRGC Tuned LEDs and DALI+ Networks p42, p48
COMMENTARY (p8)
Science in the Spotlight for the International Day of Light 2021
by Prof. John DUDLEY, IDL 2021 Steering Committee Chair, France
INTERNATIONAL LIGHTING NEWS (p12)
LPS DIGITAL (p20)
Lighting & Biology with Prof. Robert LUCAS, UK
LED BUSINESS – INTERVIEW (p22)
LED Business in Focus
Un Soo KIM, Senior Vice President of SAMSUNG Electronics, South-Korea
compiled by Editors, LED professional
CIRCULAR ECONOMY – INTERVIEW (p30)
Circular Economy from the Perspective of Lighting and Project Design with
Mark RIDLER, Head of Lighting at BDP, UK
compiled by Editors, LED professional
HCL LIGHTING SOLUTION (p36)
Bringing the Benefits of Natural Light Indoors
by Cristina TANASE, PhD, General Manager NatureConnect by Signify; Inge van der WOUW, Segment and Marketing Manager NatureConnect by Signify; Bianca van der ZANDE, PhD, Senior Scientist/Topic Lead HCL Signify Research, The Netherlands
HCL LED TECHNOLOGY (p42)
ipRGC Sensitivity Optimized LED Spectrum and its Application in Color Temperature Tunable Solutions
by Menno SCHAKEL, Technical Marketing Engineer at Nichia Chemical Europe GmbH; Co-Authors: Sadakazu WAKUI, Kenji ASAI, Shigeharu YAMAUCHI, Xavier DENIS, The Netherlands/Germany/Japan
DALI+ AND WIRELESS TO DALI GATEWAYS (p48)
DALI+ and Wireless to DALI Gateways Increase Connectivity Options for DALI Lighting Networks
by Paul DROSIHN, General Manager, DALI Alliance, UK
WIRELESS CONTROL NETWORKS (p52)
Why Wireless Control Networks Are Taking Over Commercial Lighting
by Jason MARCEL, Marketing Program Manager, Bluetooth SIG, USA
LASER LIGHTING TECHNOLOGY (p56)
High-power Diode Lasers and Rotating Phosphor Converters Revolutionize the White Light Generation Process
by Simon BRITTEN, Dr.-Ing., Technology Manager, Laserline GmbH, Germany
THERMAL RESEARCH (p60)
Package Level Thermal Analysis of White Light-emitting Diodes Based on Local Phosphor Particle Opto-thermal Behavior
by Mohammad AZARIFAR, MSc., Researcher; Ceren CENGIZ, BSc., Researcher; Dr. Mehmet ARIK, Professor | EVATEG Center Ozyegin University, Turkey
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