Azzurro Semiconductor AG’s Sales & Marketing vice president Erwin Ysewijn told to Digitimes that, the company has turned out sample 8-inch Ga-on-Si LED epitaxial wafers and plans to begin volume production as soon as the end of Q2 of 2013. According to Ysewijn , Azzurro has spent about one year in preparation for volume production. LED makers can either procure Azzurro-made finished GaN-on-Si LED epitaxial wafers for LED chips, or procure Si-substrate wafers with GaN films for LED epitaxial wafers. LED chips made from GaN-on-Si epita...