Future of Engineering
Thursday, April 10, 2008
Electrophoretic Display Device from Composite Particles Invented
San-Ming Yang, Peter M. Kazmaier and Man-Chung Tam, all from Mississauga, Canada, Naveen Chopra of Oakville, Canada, and Ahmed Abd Alzamly of Al Ain, United Arab Emirates, have developed an electrophoretic display device.
According to the U.S. Patent & Trademark Office: "An electrophoretic display device includes a display layer comprised of a binder having a multiplicity of individual cavities therein that contain a display medium, and conductive substrates, at least one of the conductive substrates being transparent, wherein the display layer is located in between the conductive substrates, and wherein the display medium comprises one or more set of colored particles in a dielectric fluid and has an electrical conductivity of about 10 sup-11 to about 10 sup -15 square per meter."
An abstract of the invention, released by the Patent Office, said: "The display device may be made by forming composite particles comprised of a sacrificial binder and the one or more set of particles of the display medium; mixing the composite particles with the binder to form a mixture; forming a layer from the mixture; removing the sacrificial binder from the composite particles in the layer to form cavities in the layer that contain the one or more set of colored particles; and filling the cavities with the dielectric fluid."
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According to the U.S. Patent & Trademark Office: "An electrophoretic display device includes a display layer comprised of a binder having a multiplicity of individual cavities therein that contain a display medium, and conductive substrates, at least one of the conductive substrates being transparent, wherein the display layer is located in between the conductive substrates, and wherein the display medium comprises one or more set of colored particles in a dielectric fluid and has an electrical conductivity of about 10 sup-11 to about 10 sup -15 square per meter."
An abstract of the invention, released by the Patent Office, said: "The display device may be made by forming composite particles comprised of a sacrificial binder and the one or more set of particles of the display medium; mixing the composite particles with the binder to form a mixture; forming a layer from the mixture; removing the sacrificial binder from the composite particles in the layer to form cavities in the layer that contain the one or more set of colored particles; and filling the cavities with the dielectric fluid."
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Labels: Design-Engineering
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