To provide a novel driving method for driving an electronic device by using digital gray scale and time gray scale in combination, which secures high duty ratio, which can display an image normally even when a sustain period is shorter than an address period, and which is hardly affected by dulled signal...http://www.google.de/patents/US20010035849?utm_source=gb-gplus-sharePatent US20010035849 - Electronic device and method of driving the same
