Quote:
Originally Posted by nimblem
I would like to know what they use to gage a 50% better contrast. Is it simply how they view it or is there some type of standard that is used to determine it?
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I couldn't find anything on PVI/eInk's site that mentions the method they use to measure contrast. It just says that Viziplex and Pearl have approx the same White State Reflectivity (40%) and that the minimum contrast ratios are 6:1 for Viziplex and 10:1 for Pearl.