2013-11-18

Chinese Expert: Japanese Manufacturers Take the Lead in Global LED Patent Battles

Large international brands including Nichia, Osram, and Toyoda Gosei have begun to work more closely together in exchanging authorized patents to increase market control, noted Fan Bing, technical director of the software and integrated circuit promotion center under China’s Ministry of Industry and Information Technology (MIIT). Big brands patent partnership strategies aim to monopolize high-end technologies and markets, and to acquire higher profits before the semiconductor lighting market matures. 
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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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