Technical breakthroughs and manufacturing improvements should keep the LED industry on track to improve performance and reduce costs at an appropriate rate, but this is not a ...
LED phosphors typically incorporate rare-earth elements, and manufacturers need to ensure that they have an adequate supply of these critical materials, as TIM WHITAKER reports...
Devising a standardized method to predict the long-term lumen maintenance of packaged LEDs and LED modules is not an easy task, writes JIANZHONG JIAO in his latest column on standards...
Sapphire wafer prices rose sharply during 2010, particularly for 2-inch material, but crystal growers are adding capacity and LED makers are looking at larger wafers. TIM WHITAKER...
Municipalities can add a wireless system to LED street-light deployments and implement remote power-monitoring and control functions including dimming, says MAURY WRIGHT.
A pilot SSL street-light project in Caledon, Canada tested LED luminaires from three manufacturers. Maury Wright describes the generally positive results for illuminance, uniformity...
A methodology for evaluating lighting-design criteria and cost issues provides lighting professionals with a pathway to make the best outdoor lighting choices, explains Ronald...