An active matrix type EL display device is provided, which is capable of suppressing the unevenness of luminance display due to the unevenness of the characteristics of TFTs which constitute pixels, or due to variations in the environmental temperature at which the display device is used. The active...http://www.google.de/patents/US8035583?utm_source=gb-gplus-sharePatent US8035583 - Method of driving display device
