The LED industry chain China enterprise long-term "drink soup" shares huge investment in research an
Datum:2011-08-15 15:24
he domestic market. In addition, high brightness LED chip, the device type power more than 80% are dependence on imports. Extension with key equipment production MOCVD and extension of substrate, sealing a high performance the silica gel, the epoxy resin, phosphor and other raw materials to basic rely on imports.
In the whole industry chain, in the upstream of the highest profit. And the core of the patent technology concentrated in Japan Nichia (day), and the United States, sharp Cree (Osra
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