Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 1, 2019
Patent Application Number
16181946
Date Filed
November 6, 2018
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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