LED
Prices declining for 4-inch PSS
Siu Han, Taipei; Adam Hwang, DIGITIMES

Prices for a 4-inch PSS (patterned sapphire substrate) have fallen from US$50 in the first quarter of 2014 to US$40-42 in the first quarter of 2015 and further to US$38-39 currently. Pricing is expected to drop to US$35 by the end of 2015, according...

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