ELECTROPHORETIC MEDIA INCLUDING CHARGE CONTROL AGENTS COMPRISING QUARTENARY AMINES AND UNSATURATED POLYMERIC TAILS
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United States of America
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Nov 28, 2024
app pub date -
Aug 2, 2024
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Aug 2, 2024
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Abstract
Improved formulations of electrophoretic media that can be incorporated into displays, front plane laminates, inverted front plane laminates, or color changing films. The formulations include a non-polar fluid, a plurality of first charged particles, and charge control agents (CCA) including a quaternary amine and an unsaturated polymeric tail comprising monomers of at least 10 carbon atoms in length. The formulations show improved switching speeds, as well as a larger dynamic range at low temperatures (i.e., below about 0° C.), where compared to state-of-the-art electrophoretic media.
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