Following the contuse lacing of Sapphire substrates, some LED manufactures thought its price would be over US$30 in 4Q10, so they start making purchase on Sapphire substrates with cash.
In Q1 of 2010, 2-inch sapphire substrates offering price was not enough US$15, but up straightly to US$25-30 in Q 3, and recently has been to US$30-35. To prevent idle production lines, some LED chipmakers had to begun price negotiation for Q4, while Some LED chipmakers had halted production lines and moved back delivery of MOCVD machines.
But sapphire substrate quotes could go down in early 2011, because sapphire substrate capacity will be gradually improved and demand projected will be to cool off.