Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Gaetano J. Lavigne0
Peter M. Kazmaier0
Naveen Chopra0
Man-Chung Tam0
Date of Patent
April 12, 2011
Patent Application Number
11461188
Date Filed
July 31, 2006
Patent Primary Examiner
Patent abstract
A method and an apparatus for measuring reflectivity, charge and/or particle mobility of electrophoretic display mediums and particles are described. The apparatus for evaluating characteristics of an electrophoretic display medium, comprising a cell for containing the electrophoretic display medium, located between conductive substrates, a voltage application unit associated with the cell, an electrometer to measure transient current, and a densitometer to measure reflectance.
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