Patent ID: 8102355

Claim:
A source driver of a display device comprising: an amplification unit including a positive amplifier outputting an output voltage having a positive deviation relative to an input voltage applied thereto and a negative amplifier outputting an output voltage having a negative deviation relative to an input voltage applied thereto; an input controller, coupled between the amplification unit and a conversion unit that functions as digital-analog converter, for transferring a first gray-level voltage corresponding to a driving voltage of a first source line to the positive amplifier and for transferring a second gray-level voltage corresponding to a driving voltage of a second source line adjacent to the first source line to the negative amplifier in response to input positive control signals fed thereto, the input controller transferring the first gray-level voltage to the negative amplifier and transferring the second gray-level voltage to the positive amplifier in response to input negative control signals fed thereto; and an output controller applying the output voltage of the positive amplifier to the first source line and applying the output voltage of the negative amplifier to the second source line in response to output positive control signals fed thereto, the output controller applying the output voltage of the negative amplifier to the first source line and applying the output voltage of the positive amplifier to the second source line in response to output negative control signals fed thereto, wherein the input controller and the output controller remove a display error in pixels connected to the first source line or in pixels connected to the second source line, caused by the positive deviation or the negative deviation, by opening and closing switching elements outside the amplification unit and alternating at consecutive frames the positive deviation and negative deviation applied to the respective first source line and second source line, and wherein the first gray-level voltage is output to the input controller from a first decoder that is involved in driving the first source line and that receives external video data, and the second gray-level voltage is output to the input controller from a second decoder that is different from the first decoder, that is involved in driving the second source line, and that receives external video data.