Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 7, 2017
Patent Application Number
14939666
Date Filed
November 12, 2015
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
The present invention provides driving methods for a color display device in which each pixel can display four high-quality color states. More specifically, an electrophoretic fluid is provided which comprises four types of particles, dispersed in a solvent or solvent mixture.
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