One is to combine tiny LED lights that each emit red, green or blue into a single big device. The other is to use only blue LEDs but coat them with a type of fluorescent substance called phosphor.

Taiwan-based electronics manufacturer Para Light Electronic has added a new integrated solar light emitting diode (LED) streetlight for pedestrian walkways and roads to its line of outdoor ...

Overall, pedestrian deaths in Hong Kong have been declining. The number of fatalities fell from 57 individuals in 2019 to 55 in 2021, which equates to a rate of 0.74 per 100,000 people, per ...

LED headlights, first introduced in the 2000s, come standard in a majority of cars sold today. But several researchers told us they believe headlights are actually becoming safer with time.

Street lights around the Triangle — including on Duke’s campus — have started emitting a bluish-purple hue. The Chronicle explains why.