An EL display device capable of clear, multi-gradation color display, and an electronic device having the EL display device, are provided. Gradation display is performed in accordance with a time division driver method which controls by the amount of time an EL element formed in a pixel emits light,...http://www.google.fr/patents/US20040164684?utm_source=gb-gplus-shareBrevet US20040164684 - EL display device and electronic apparatus
Numéro de demande: 10/745,153 Numéro de publication: US 2004/0164684 A1 Date de dépôt: 23 déc. 2003 Brevet délivré: US7061186 ( Date de délivrance 13 juin 2006)
