It’s finally here: Philips clear LED bulb, the world’s first LED bulb with innovative lens and the beautiful light in the shape of the traditional incandescent.
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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