The city is officially unveiling its new Cincinnati sign after giving it a major upgrade. The old, 17-year-old sign was last ...

The MTA has upgraded lighting in all 472 of its subway stations from florescent to LED, allowing better visability for both ...

Abstract: The paper presents the design of a linear dimmable flicker-free LED driver. The driver consists of a preamplifier in series with a linear regulator and forms a drive loop with the LED string ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

Abstract: In this paper, we study an indoor visible light communication (VLC) downlink system with multiple LED fixtures and multiple single-photodiode users. We assume that VLC transmission over a ...