Philips announced on Sept. 23, 2014, it would separate its health care and lighting businesseses into a twonew companies, each ofy which would continue to leverage the Philips brand.
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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