Thread: EInk adds a third color to the mix with E-Ink Spectra
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Old 05-22-2013, 11:32 AM   #4
j.p.s
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OK, so I get that the black and white particles are charged with opposite polarity and that the surface can be switched between black and white by reversing the electrode polarity.

But the red and black particles are shown as having the same charge. What selects between red and black being on top and visible?
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