GAMMA VOLTAGE GENERATOR AND A DIGITAL TO ANALOG CONVERTOR INCLUDING A GAMMA VOLTAGE GENERATOR, USING A GAMMA VOLTAGE TO WHICH RGB IMAGE SIGNALS ARE APPLIED INDEPENDENTLY

摘要

PURPOSE: A gamma voltage generator and a digital to analog convertor including a gamma voltage generator are provided to output an optimal gamma voltage by using gamma voltage.;CONSTITUTION: A generating gamma voltage(610) generates three kinds of the gamma voltages by using a gamma reference voltage. A control circuit(620) generates at least three driving signals in response to a least significant bit of an input control signal and a gamma voltage selection signal. A switching block(630) switches the gamma voltages according to a corresponding driving signal. The gamma voltage corresponding to the gamma voltage selection signal excluding the least significant bit is outputted.;COPYRIGHT KIPO 2010