Electrophoretic display mediums, devices and methods of displaying images with such devices

摘要

It is provided an electrophoretic display device comprising a display layer comprised of a multiplicity of individual reservoirs containing a display medium over a conductive substrate, and a color filter layer over the display layer, wherein the display medium comprises a set of white particles dispersed in a dark colored dielectric fluid or a set of dark colored particles and a set of white particles dispersed in a clear dielectric fluid, the display medium having an electrical conductivity of about 10 -11 to about 10 -15 S/m, and wherein the color filter layer comprises each of a red tinted transparent portion, a blue tinted transparent portion and a green tinted transparent portion.