Patent ID: 9152006
Filing Date: 2015-10-06
Classification: C09B,G02F,Y10T

Abstract:
1. Polymer particles for use in electrophoretic devices comprising monomer units of a) at least one polymerisable dye, b) at least one monomer, c) optionally at least one charged co-monomer, and d) optionally at least one crosslinking co-monomer, wherein dyes of Formula (1) are used wherein X R R L Y R′ is a linear or branched alkyl group, OR R″ is OR R wherein at least one of R 1 , R 2 , R 3 , and R 4 , is a polymerisable group and at least one of X 1 , X 2 , and X 3 , is an electron-withdrawing group.