An electrophoretic display device comprises substrates faced to each other so as to form a pixel space therebetween. A first electrode group including control electrode segments is formed on the substrate, and a second electrode group including a counter electrode segment is formed on the substrate....http://www.google.com/patents/US20050104844?utm_source=gb-gplus-sharePatent US20050104844 - Electrophoretic display device and method of driving electrophoretic display device
