Quote:
Originally Posted by DaleDe
Actually from their web site the fourth color is white. See E Ink color in our wiki. The colors are transparent to some degree so darkness will represent black. It is not clear when this sort of technology will appear in an eBook Reader but I suspect more changes are needed.
Dale
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Great, I never came across to that piece of information.
So they are using white to screen the particles kept below, hidden...
The 5bits per ink idea remains. (Unfortunately, also my skepticism of obtaining black through mixing three saturated inks.)