Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 12, 2017
Patent Application Number
15419391
Date Filed
January 30, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides a reflective color display device which can display multiple color states, without the disadvantages associated with previously known color display devices. The display fluid of the present invention comprises (a) black and white electrophoretic particles which are oppositely charged and (b) charged color-generating particles having photonic crystal characteristics, all of which are dispersed in a solvent or solvent mixture.
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