Exactly. AMOLED are less power hungry than LCDs, but they inherently consume power all the time when displaying an image. No challenge to E-Ink for battery life either.
I'm still hoping that Amazon's Liquavista display prove suitable for ereaders. Very low power, high contrast, fast refresh, wide viewing angle.
But again, until actual products appear, it's hard to tell. I had high hopes for Mirasol, but until they lick the viewing angle problem, it's not really viable.
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