An active matrix display comprises an active matrix array of pixels divided into first and second sets, the pixels 35 of the first set are refreshed in the conventional active matrix way by a first refreshing arrangement M1, 6, 7. Pixels 36 for displaying a graphical feature such as an icon overlaid...http://www.google.com/patents/US7158109?utm_source=gb-gplus-sharePatent US7158109 - Active matrix display
