A driving method for a display apparatus produces light emission by applying a sustain discharge pulse repeatedly. A pulse width of the sustain discharge pulse is varied within one subfield and is controlled in accordance with the amount of voltage drop of a sustain discharge voltage. A display apparatus...http://www.google.com.au/patents/US6891519?utm_source=gb-gplus-sharePatent US6891519 - Display apparatus capable of maintaining high image quality without dependence on display load, and method for driving the same