The average selling prices (ASPs) of LEDs utilized in handset backlight applications have dropped by 10-15% since this January, according to Epistar. With the improvements of light efficiency and brightness, ASPs of LED products decline about 20%-30% per year, but ASPs remained strong since the third quarter of 2007 due to surging growth in demand for small- to- medium panel backlighting and supply running tight, according to LED makers.

More here at Digitimes.