Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Donal Martin O'Keeffe0
Date of Patent
June 4, 2024
0Patent Application Number
182039680
Date Filed
May 31, 2023
0Patent Citations
...
Patent Primary Examiner
CPC Code
Patent abstract
A variable light transmittance sheet comprises a first transparent electrode and a second transparent electrode spaced apart from the first electrode, and between the electrodes an electrophoretic cell containing an electrophoretic ink and one or more non-planar solid polymer elements. In an embodiment, the electrophoretic ink includes charged particles in a suspending fluid, and 75% or more by mass of the suspending fluid is an organosilicone or an aliphatic hydrocarbon and the solid polymer is a fluorinated elastomeric polymer.
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