City authorities in American city Kinston, North Carolina are planning to swap all traditional streetlights with LEDs, which is expected to cut energy consumption, improve security and save money, reported Kinston.com.
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
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