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...
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...
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...
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...
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 methodology for evaluating lighting-design criteria and cost issues provides lighting professionals with a pathway to make the best outdoor lighting choices, explains Ronald...