2009-04-01

San Jose Could Turn to LEDs Instead of Shutting off Streetlights

Last year in San Jose, California, the local government had turned off streetlights in some district to meet the environmental goals, while this year, more LED lamps could be installed in the next few months to get the same result. To reach Mayor Chuck Reed's Green Vision aim of powering the city's 62,000 streetlights with renewable energy, the city’s Transportation and Environment Committee will come up with some steps on April 6.
Continue reading →

For three decades, white LEDs have depended on rare earth materials such as yttrium aluminum garnet (YAG) layered onto a blue LED chip (Figure 1). Seoul Viosys Co., Ltd. (KOSDAQ: 092190) today announced that it has broken that dependence. It h... READ MORE

<iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen="" frameborder="0" height="315" referrerpolicy="strict-origin-when-cross-origin" src="https://www.youtube.co... READ MORE