Rubicon Technology, Inc., a leading provider of sapphire substrates and products to the LED, semiconductor, and optical markets, announced that it will showcase large-diameter patterned sapphire substrates (PSS) as well as its line of 6”polished sapphire wafers for the LED industry at LED Korea 2014 at COEX, Seoul, Korea, February 12-14, 2014. Rubicon will exhibit its line of sapphire products in Booth #4707.