Patent 6987605 was granted and assigned to Sipix Imaging on January, 2006 by the United States Patent and Trademark Office.
This invention relates to an electrophoretic display comprising isolated cells of well-defined shape, size and aspect ratio which cells are filled with charged pigment particles dispersed in a solvent, a backlight and optionally a background layer. The display may have the traditional up/down switching mode, an in-plane switching mode or a dual switching mode.