It’s an electrophoretic display, in the category of e-paper, informally called e-ink, made by the company E Ink. https://en.wikipedia.org/wiki/Electronic_paper

It’s an electrophoretic display, in the category of e-paper, informally called e-ink, made by the company E Ink. https://en.wikipedia.org/wiki/Electronic_paper#Electrophoretic https://en.wikipedia.org/wiki/Electronic_paper#Electrophoret...