A data driver includes gamma correction circuits for first to p-th color components for first to p-th (p is an integer equal to or more than two) color components constituting one pixel, a gamma correction circuit for an i-th (1≦i≦p, i is an integer) color component converting ki-bit (k1 to kp are...http://www.google.com.au/patents/US7580021?utm_source=gb-gplus-sharePatent US7580021 - Display driver converting ki bits gray-scale data to converted gray-scale data of J bits, electro-optical device and gamma correction method
