Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard M. Webber0
Craig A. Herb0
George G. Harris0
Richard J. Paolini, Jr.0
Thomas H. Whitesides0
Charles Howie Honeyman0
Date of Patent
March 16, 2010
0Patent Application Number
116259070
Date Filed
January 23, 2007
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
The image stability of electrophoretic media, comprising a plurality of particles disposed in a fluid and capable of moving through the fluid upon application of an electric field to the medium, can be improved by including in the fluid either a polystyrene or an aggregating diblock copolymer which forms micelle-like structures in the fluid, the diblock copolymer having a first block soluble in the fluid and a second block not swellable by the fluid. In variable transmission electrophoretic media, haze can be reduced by using as the fluid a mixture of a partially hydrogenated aromatic hydrocarbon and a terpene.
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