APPARATUS FOR SUPPLYING GAMMA SIGNAL

摘要

PURPOSE: An apparatus for supplying a gamma signal is provided to transmit a gamma signal by using serial transmission instead of parallel transmission, so reducing the number of signal lines. CONSTITUTION: An apparatus for providing a gamma signal includes a timing controller(200), a gamma DAC(Digital Analog Converter)(210), and a plurality of column drivers(220). The timing controller(200) is used for storing a gamma value as a digital value and transmitting serially the digital gamma value. The gamma DAC(210) is used for converting the digital gamma value to an analog gamma value. The column drivers(220) are used for generating the second analog gamma value and outputting a gray level on the basis of the second analog gamma value if the second analog gamma value is equal to the first analog gamma value.