2017-02-02

Good visibility makes for a safe journey

Following renovation work, the Schallberg tunnel on the Simplon Pass is now a much brighter place thanks to LED components from Tridonic. The extensive work took around two and a half years and has transformed the old dark 1970s construction into a modern tunnel packed with state-of-the-art technology.
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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

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