Opple Lighting, which is in the process of applying IPOs in China, has seen its revenues reach RMB 3.9 billion (US $630 million) in 2014, according to a report by Chinese-language media The Time Weekly.
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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