A method of driving a display having a plurality of light-emitting elements that change with time or use, comprising the steps of: a) receiving and displaying a first image signal and storing an attribute of the first image signal; b) receiving and displaying a subsequent second image signal; c) comparing a corresponding image attribute of the subsequent second image signal to the stored first image attribute to form a subsequent second image difference signal; d) displaying a screen saver image signal when the subsequent second image difference signal does not exceed a first limit; e) receiving a plurality of subsequent third image signals while the screen saver image signal is being displayed; f) comparing corresponding image attributes of the subsequent third image signals to the stored first image attribute to form a corresponding plurality of subsequent third image difference signals; and g) displaying a third image signal only when more than one subsequent third image difference signals exceed a second limit.

 
Web www.patentalert.com

> Fingerprint capture

~ 00392