According to WSJ, the LED market is expected to flourish in the next few years, but the supply of sapphire substrates required for LED production is in a bottleneck, which may hinder the growth of the LED industry.
When the economy began to recover in 2009, the demand for LEDs as a backlight grew rapidly. According to the US Department of Energy, LED energy efficiency is ten times higher than fluorescent lamps, and many companies have used them to save money. The US Department of Energy estimates that by 2020, the market share of LEDs in the US lighting market will increase significantly from the current less than 1% to 70%.
The sapphire substrate is a synthetic sapphire, and the recent production cannot meet the increasing demand for LEDs, resulting in an ever-increasing price of sapphire substrates. Many LED manufacturers may suffer from sluggish production and even suffer.
In contrast, a small number of producers of sapphire substrates may benefit, including American Rubicon, Russian Monocrystal, Japan's Kyocera and Miki Precision Gems. Rubicon's chief financial officer, Bill Weissman, said the company expects prices of sapphire substrates to rise 15% in 2010. However, Weisman also pointed out that the sapphire substrate only accounts for 8% of the LED chip raw materials, and should not significantly affect the terminal price of the LED.
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