Quote:
Originally Posted by arspr
I also experience the same behaviour between my Sony PRS 650 and my AuraHD, both Pearl displays. Without the front light, HD white is clearly darker than Sony one. (I posted this "issue" when I just opened the Aura HD package). My supposition like yours is that the extra layers are the culprit.
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Yes, that is a layers issue. There are several layers i.e.: for touch, for front light, a protective coating, etc. and several different ways to apply them.
These layers and implementation directly have an effect on the final contrast of the screen and explains why different ereader models (and/or brands) and use the same screen technology (Carta or Pearl) have different contrast scores. Serious reviews publish the measured contrast of the screen.
IR should do better than a capacitive touch screen but would a 'water resistant' coating perform worse than a normal coating? Doesn't have to, but it could.