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Originally Posted by DrunkenDonkey
I was wondering... currently it is kinda complex to achieve 16 shades of gray shifting part of the colored particles inside the "pixels", but with resolution increase it might be viable having only black and white unit and simulate the colors where needed (pics) with dithering, that way we may have much faster screens with much whiter white and blacker black?
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Dithering with just B&W looks terrible in practice, even at 200ppi. Half-toning at 300ppi would be interesting to see, although hard to implement.
It's an interesting idea, but the issue I see is that the slowest part of the eInk is the black/white transition. Eliminating colors to leave behind white and black also leaves behind the slowest transition.