There’s progress in better chip performance and lower cost. But system-level attention needs more focus to reduce the costs of supporting drivers, thermal management, optics, and package housings.

While Democrats and Republicans squabble over the future of the incandescent light bulb, a Livermore-based company has produced an LED that they claim could lead to brighter, more affordable solid ...

High-power LEDs promise a growing number of advantages, including lower long-term cost and longer life, over both incandescent light bulbs for interior For the PDF version of this article, click here.

Special focus is put on the improvements in the calibration procedure using an Admesy tungsten broadband reference standard in comparison with a traditional calibration procedure. Finally, some advice ...