Display medium and display device
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United States of America Patent
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Nov 12, 2013
Grant Date -
Mar 22, 2012
app pub date -
Feb 9, 2011
filing date -
Sep 22, 2010
priority date (Note) -
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Abstract
A display medium includes a pair of substrates, a dispersion medium sealed between the pair of substrates, a migrating particle group dispersed in the dispersion medium, and a surface layer provided on at least one of the facing surfaces of the pair of substrates and including a polymer compound that is a copolymer containing the following constitutional unit (A) and constitutional unit (B), X represents a group containing a silicone chain, Ra1 and Ra2 each independently represent a hydrogen atom or a methyl group, Rb2 represents an organic group containing a substituted or unsubstituted phenyl group, n1 and n2 each represent mol % of the constitutional unit relative to the whole copolymer and satisfy 0
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