Patent ID: 7679813
Filing Date: 2010-03-16
Classification: G02F,G09G

Abstract:
1. An electrophoretic display comprising electrophoretic cells wherein each of said electrophoretic cells is sandwiched between a top layer comprising a top electrode and a bottom layer comprising a bottom electrode and at least one in-plane electrode, and each of said electrophoretic cells comprises (i) partition walls, (ii) an electrophoretic composition filled therein, said electrophoretic composition comprises charged pigment particles dispersed in a dielectric solvent or solvent mixture, and (iii) a black matrix layer only on the top surface of the partition walls, and said electrophoretic cell is capable of displaying three color states: the color of the charged pigment particles, the color of the dielectric solvent or solvent mixture, or the color of a cell background layer.