2016-11-01

LPA: EPISTAR’s LED Filament Patent Strategies Zoom in on End Market

Plummeting LED lighting prices and net profits in the LED industry, has allowed LED filaments to emerge as the black horse in the market, placing it under the market spotlight. LED filaments were formerly plagued with manufacturing technology and yield rate issues, and in the past few years Epistar’s patent suits has placed LED filaments under the lime light again.
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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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