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23-09-2019 TALQ advances in interoperability testing for smart city software and gateways
At a plugfest in Valencia, Spain, nine companies won certification for TALQ-compliant products, paving the way for interoperable smart city networks and applications from multiple vendors. The...
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19-09-2019 DOE LED driver tests validate improving reliability and testing methodology
The US DOE has tested LED drivers in a stressed environment for as long as 7500 hours; and while there have been failures, the accelerated stress testing is said by the researchers to demonstrate...
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18-09-2019 FCC Set to Reaffirm RF Exposure Limits
After more than six years of review and public input, the U.S. Federal Communications Commission (FCC) appears poised to reaffirm its current limits for radiofrequency (RF) exposure generated by...
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17-09-2019 InGaN nanowire LEDs stand free on flexible substrates
Researchers from the University of Waterloo, Canada, have integrated closely arranged GaN-based nanowire light-emitting diodes (NW LEDs) free standing vertically onto a flexible sheet of...
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12-09-2019 Technologies for Shared Office Space
LpR 72 Article, page 66: Shared office spaces are gaining popularity as a flexible, resource-efficient and creativity-inspiring way to work. The dynamic nature of such office spaces requires...
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10-09-2019 High Performance from Extraordinarily Thick Organic Light Emitting Diodes with Perovskite Layers
By combining thin organic layers with thick layers of hybrid perovskite, researchers at Kyushu University in Japan have developed micrometer-thick organic light-emitting diodes that could improve...
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03-09-2019 Semi-Empirical Characterization of Freeform Microlens Arrays
LpR 72 Article - page 42: Microlens arrays (MLA) have been used for imaging and non-imaging applications for a long time as cost-effective solutions. Non-symmetrical beam shapes require more...
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29-08-2019 EU Policy Offers the Lighting Industry Risks and Opportunities
The European Union is pushing a number of policy initiatives in the coming months and years that will have a profound impact on the business models of firms competing in the European lighting...
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09-08-2019 "Glare" Is to Light as "Noise" Is to Sound - CIE Research Roadmap on Glare
Glare has always been a relevant topic, especially since electric light levels began to increase. With high intensity light sources like LEDs, the problem culminated in the last few years. CIE...
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08-08-2019 "Glare" Is to Light as "Noise" Is to Sound - CIE Research Roadmap on Glare
Glare has always been a relevant topic, especially since electric light levels began to increase. With high intensity light sources like LEDs, the problem culminated in the last few years. CIE...
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06-08-2019 Circadian-Friendly Light Emitters: From CCT-Tuning to Blue-Free Technology
Common levels of blue radiation are sufficient to disrupt the circadian cycle, calling for blue-depleted emitters in the evening. Most current solutions employ low-CCT and suffer from poor light...
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02-08-2019 Tech-Talks BREGENZ - Dr. Octavio Perez, Adjunctant Researcher, Mt. Sinai Hospital
Dr. Perez received the LED professional Scientific Award 2018 for his paper on "Light and ED Clinical Wellness and Performance Improvement", which was published in LpR 70. The evaluation jury had...
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26-06-2019 Measuring human exposure to 5G
5G is the latest generation of mobile network technology. It promises greater capacity, as well as significantly faster download speeds than the current 4G networks. It will mean loading the HD...
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26-06-2019 Editorial Technology Focus Industry Spotlight Technical Committees Conformity Assessment IEC World IEC Family In Store e-tech Special Home Issue 03/2019 Technical Committees Standards will make e-scooters safer Standards will make e-scooters
Walking down a city street, pedestrians have recently been confronted by a new phenomenon. Sailing by on sidewalks or bike lanes, commuters have adopted electric scooters as a popular mode of...
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18-06-2019 NEMA Standardizes Spec Sheets for Tubular Fluorescent Replacement LEDs
The standard should help clear up any confusion related to input electrical parameters. The National Electrical Manufacturers Association (NEMA) published a new American National Standard for...