A timepiece has a display panel having electrophoretic particles between two opposing substrates, and a drive circuit unit having a display drive unit for applying an electric field between the substrates and a timekeeping unit for keeping time information. A plurality of first electrodes are rendered...http://www.google.fr/patents/US20080002527?utm_source=gb-gplus-shareBrevet US20080002527 - Timepiece
Numéro de demande: 11/808,419 Numéro de publication: US 2008/0002527 A1 Date de dépôt: 8 juin 2007 Brevet délivré: US7639571 ( Date de délivrance 29 déc. 2009)
