I’ve noticed when the city repairs broken streetlights that sometimes they install a new LED light and sometimes they do not. I would think they want to convert all the streetlights to LED lights when ...

Windy Kaukonahua Road will close from 8:30 a.m. to 3:30 p.m. daily Wednesday through Friday as the city converts street lights along the Wahiawa-North Shore thoroughfare to LED lamps from traditional ...

Semiconductor lighting technology is developing rapidly. While seeking high luminous efficiency, low cost, and superior reliability, researchers are increasingly focusing on the effects of LED ...