2013-12-10

US Phase-out of Inefficient Incandescent Light-Bulb Complete January 1st

America will conclude its three-year farewell to inefficient general-purpose incandescent light bulbs on December 31, 2013, the National Lighting Bureau advises.
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