US Patent 8154790 Electrophoretic display structures

This invention relates to a display device comprising a plurality of display cells, wherein said display cells are separated by slanted partition walls. This invention also relates to a display device comprising a plurality of display cells, wherein said display cells are separated by indented partition walls having indented areas. The electrophoretic structures of the present invention may be manufactured by a continuous or semi-continuous roll-to-roll manufacturing process. The structures in which display cells are separated by slanted partition walls or partition walls having indented areas are capable of providing enhanced color states.