This is what I found on the quick:
Quote:
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The lifespan of the material itself draws near 10,000 hours already, and it has been developing by more than 30% every year; it is expected to achieve 40,000 hours of lifespan in year 2005 when AMOLED is regularized.
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Source:
Samsung
As it's 2009 now, I wouldn't be surprised if AMOLED has an even longer lifespan now.
EDIT: Samsung wants 50 000 by 2009 according to a 2007 article where they have 20 000 hour displays already (
Source)
EDIT2:
A 2007 news article claiming 30 000 hour life spans for AMOLEDs.
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