PROLONGED DISPLAY LIFETIME

摘要

The invention provides a method for reducing or eliminating degradation effects in a display 22, 22' of a portable device 10 and a portable device for performing such a method. The method comprises the steps of presenting particles 410 of a particle system 400 on the display 22, 22' and moving the particles 410 in the particle system 400 so that the display 22, 22' is substantially uniformly utilized.