Patent ID: 9664978
Date: 2017-05-30
CPC Classifications: B41J,B82Y,G02F,G04B,G06F,G06K,G09F,G09G,H01L,H05K

Claim:
1. A display comprising: a substrate having walls defining at least one cavity, the cavity having a viewing surface, a rear surface on the opposed side of the cavity from the viewing surface, and at least one side wall extending between the viewing surface and the rear surface; a colored fluid contained within the cavity; a plurality of electrically charged solid particles within the fluid; a front electrode adjacent the viewing surface of the cavity; a rear electrode adjacent the rear surface; and a side electrode adjacent the side wall, the display having a first optical state in which the solid particles lie adjacent the front electrode, a second optical state in which the solid particles lie adjacent the rear electrode and a third optical state in which the solid particles lie adjacent the side electrode.