The invention relates to a patternable coatable electrically conductive layer comprising a fluid-coated electrically conductive material, wherein the fluid-coated electrically conductive material has sufficient conductivity to induce an electric field strong enough to change the optical state of a light...http://www.google.com.au/patents/US8085363?utm_source=gb-gplus-sharePatent US8085363 - Coatable conductive layer
