Patent ID: 9710091
Date: 2017-07-18
CPC Classifications: G02B,G06F,H03K

Claim:
1. A display element, comprising an electrically actuable element arranged to provide visual, touch-sensitive and tactile functions, comprising: a substrate; a substantially transparent, flexible display surface; and the electrically actuable element disposed between the substrate and the display surface within a cell containing substantially opaque fluid, and electrically actuable so as to vary a separation between a portion of the electrically actuable element and the display surface and thereby vary a thickness of fluid therebetween so as to change a display state of the display element; wherein the electrically actuable element is arranged to sense pressure on the display surface when brought into contact therewith; and wherein the portion of the electrically actuable element is arranged to be brought into proximity or contact with the display surface so as to distort the display surface to provide tactile output.