Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 25, 2018
Patent Application Number
14505441
Date Filed
October 2, 2014
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
The present invention provides a solution for a highlight or multicolor display device, in which each display cell can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises three types of charged particles and a fourth type of particles which is substantially uncharged neutral buoyancy particles, all of which are dispersed in a solvent or solvent mixture.
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