Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 31, 2017
Patent Application Number
14849480
Date Filed
September 9, 2015
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
The present invention is directed to an electrophoretic display device which is suitable for passive matrix driving. The electrophoretic fluid may comprise two types of charged pigment particles wherein the two types of charged pigment particles carry opposite charge polarities, have contrasting colors and have different levels of charge intensity. Alternatively, there may be a third type of particles added to the fluid.
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