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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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

18-06-2019 New Standard for Roadway Lighting Retrofits

The new standard will help outdoor lighting manufacturers, utilities and municipalities with conversion from HID to LED. Roadway and area lighting systems are seeing some of the highest...

10-06-2019 Organic laser diodes within reach

Researchers from Kyushu University, Japan, have demonstrated lasing from an electrically driven organic diode. Reporting their findings in the journal Applied Physics Express under...

03-06-2019 Implications for Human-Centric Lighting Design in Tropical Nursing Homes: A Pilot Study

Implications for Human-Centric Lighting Design in Tropical Nursing Homes: A Pilot Study Light synchronizes our physiological and psychological rhythms to the 24-hour rhythm of the ambient...

27-05-2019 Bloomberg video: how blue LEDs changed the world

23-05-2019 Documenting The Potential Benefits Of Tunable LED Classroom Lighting

The final results are in for a DOE GATEWAY evaluation of a trial installation of tunable-white LED lighting systems in three classrooms at an elementary school in Folsom, California. Pacific...