Quote:
Originally Posted by Pajamaman
False.
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Ok, It has to refresh, as in flash the screen white-black-white, because the nature of the e-ink being suspended, charged particles require addressing the 'pixels' in groups. Not only are the cells affected by changes in neighboring cells, but it is also not possible to have contrast consistency when you apply a charge to cells with differing histories.
What I meant to -badly- oversimplify above was that when you pan through an image, you are leaving a lot of history by trudging various shades through a pixel and it's neighbors, this accumulation of information leaves the entire thing a smudgy gray, and the reader has to baseline everything so that it can address a blank slate where everything is a known-ish value like white/black.