A method of displaying an image in an electrophoretic display device having at least one display layer including a multiplicity of individual reservoirs containing a display fluid between conductive substrates, wherein the display fluid comprises at least two sets of particles in a liquid medium, the...http://www.google.co.uk/patents/US7652656?utm_source=gb-gplus-sharePatent US7652656 - Electrophoretic display and method of displaying images
