Fleit & Jacobson
Working fluids for electrophoretic image display devices
 The invention provides a working fluid for an electrophoretic image display device including a dispersion of a species of finely divided particles of an opaque dielectric material suspended in a suspension medium, each of the said particles which are transportable within the suspension medium under the influence of an electric field, has a chemical compound adsorbed on the surface thereof, the chemical compound is such that the molecules thereof exert an attractive force towards each other in the absence of the electric field. 
Plessey Handel und Investments AG
G G G
G02F G03G G09F
inventional inventional inventional
Christopher Frederick James Cyril Alexander Roy Trevor Geoffrey Michael
Carter Lewis Blunt Garner