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US 2016/0177103 A1Published application
Particles for electrophoretic displays
AssigneesMarck Patent GmbH, The Queen's University of Belfast
InventorsLouise D. FARRAND, Claire TOPPING, Sarah NORMAN
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Abstract
This invention relates to particles comprising a pigment core particle encapsulated by a polymer, a process for their preparation, electrophoretic fluids comprising such particles, and electrophoretic display devices comprising such fluids.
Claims19
-18. (canceled)
Particles comprising an organic or inorganic pigment core particle encapsulated by a polymer having monomer units of
- a) at least one monomer,
- b) at least one polymerisable ionic liquid of Formula (I) or at least one polymerisable ionic liquid of Formula (II)
- X1—R1-A1−C1+ Formula (I)
- X2—R2—C2+A2− Formula (II)
- wherein X1 and X2 is a polymerisable group, R1 and R2 are a spacer group, A1− and A2− is an anion, and C1+ and C2+ is a cation,
- c) optionally at least one polymerisable dye, and
- d) optionally at least one polymerisable steric stabiliser.
4 more elements
Dependencies are inferred from the claim text.