Quote:
Originally Posted by HarryT
Do you have any reference for the fact that eInk produce different grades of screens?
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Going with the info in the above posts, eInk likely doesn't specifically "produce" different grades, but more likely grades the production and quite plausibly sell the "best" screens at a premium over not quite as good screens. We know there is fair bit of variation among supposedly identical devices so there's no reason to think that there isn't variation within or between production runs and no reason to think eInk wouldn't separate them out and price them differently.