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Digital control in LED drivers delivers better dimming in lamps (MAGAZINE)
Scott Brown describes the dimming challenge in LED lamps that are connected to phase-cut dimmers and details the basis for digital control techniques that can enable flicker-free performance in SSL applications.
LED business news: EcoSense acquires Journée, MaxLite vs. ATG, BU wins
EcoSense Lighting has acquired Journée Lighting, while MaxLite has filed a patent infringement suit against ATG Electronics, and Boston University has won an IP action against several Taiwan players in the LED and SSL sectors.
LED- and SSL-centric products shine in a techno-savvy gift list (MAGAZINE)
Around the world, visions of brightly colored packages and tantalizing treats run through our minds. But in this case, Maury Wright and Carrie Meadows look toward the techies, the trend-spotters, and some folks too hip for the average gift - those whose finer...
Risk group determination characterizes photobiological safety in LED lighting (MAGAZINE)
Expanding on a prior series of articles focused on the photobiological safety of LED-based lighting, Leslie Lyons further details risk group classifications and methodologies that come into play with extended sources such as LED arrays.
Princeton retrofits Jadwin Gym with LED lighting and wireless controls
Ivy League school updates its 250,000-square-foot athletic facility with 839 Hubbell SSL fixtures and deploys the company's wiSCAPE network control system.
Alternative LED substrate options head in opposite directions (MAGAZINE)
We have long watched the interest in alternative LED substrates to sapphire and silicon carbide in terms of a technology and manufacturing platform.
Understand the lighting flicker frustration (MAGAZINE)
Lighting control manufacturers are committed to reducing flicker, improving LED performance, and providing commercial customers with comfortable, efficient lighting and control solutions, but Ethan Biery explains that the lighting industry is still struggling to...
Connected LED lighting dominates SALC, but focus is services (MAGAZINE)
The annual IES Street and Area Lighting Conference featured a comprehensive set of presentations on topics ranging from new recommended practices to dirt depreciation, but as Maury Wright reports, the major theme was networked street lights with services supplanting...
Emerging applications for UV LEDs drive broad interest (MAGAZINE)
Martin Shih reports that while technology barriers remain in manufacturing UV LEDs, especially at shorter wavelengths, a number of potential high-volume applications are driving interest among packaged LED manufacturers.
Philips, Cisco on brink of connected lighting partnership
An announcement by the companies is expected next week, and should include Power over Ethernet.