2013-09-11

An Eco-Friendly LED Time Piece for Your Hands

The Ring Clock combines LED technology to offer consumers an eco-friendly time piece that does not waste energy. The Ring Clock offers a running time of 1 week and automatic turn off after one minute of inactivity. The first of its kind, the ring is already generating quite a buzz.
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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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