Sharpness was never really an issue with e-Paper displays, as they have long been able to display at more than 150ppi. However, refresh speed and ghosting are t

Sharpness was never really an issue with e-Paper displays, as they have long been able to display at more than 150ppi. However, refresh speed and ghosting are the real issues. In order to speed up drawing and quickly wipe the screen, developers will prefer 1-bit access modes over slow/ghosty 8-bit drawing modes, so text will indeed look sharp.. And aliased.