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There are multi-pigment color e-ink displays that don't use a filter array. E-Ink's ACeP range uses four pigments (CMY+white). The white pigments are reflective
by sho_hn 4y ago
There are multi-pigment color e-ink displays that don't use a filter array. E-Ink's ACeP range uses four pigments (CMY+white). The white pigments are reflective, the others are transparent, and you basically sort of sort/stack them with different drive voltages, combining different pigments above white while leaving others below the white layer.
I think OP is dissatisfied even with greyscale e-ink panels, though.
- layer8 4y agoThat’s right. I could live with pastel colors for graphics (or with grayscale) if at least the white was white and the black was black.
- crazygringo 4y agoOh wow, TIL. Thank you. Hadn't realized that was a new development. Just looked it up and the physics behind it sounds... extremely complicated.