The invention includes providing a display by moving a colorant particle, having an electric charge, inside a channel of a body in a direction that is substantially parallel to a direction of extension of the channel and a direction of incoming illumination rays. The colorant particle can be moved between...http://www.google.fr/patents/US20020190936?utm_source=gb-gplus-shareBrevet US20020190936 - Methods and apparatus for subjecting an element to an electrical filed
Methods and apparatus for subjecting an element to an electrical filed
Numéro de demande: 10/216,445 Numéro de publication: US 2002/0190936 A1 Date de dépôt: 12 août 2002 Brevet délivré: US7170470 ( Date de délivrance 30 janv. 2007)