Patent ID: 8836622

Claim:
A data line repair apparatus, employed in a LCD panel having a repair line, wherein the data line repair apparatus comprises: a repair operational amplifier, including a first input end, a second input end and an output end, the output end and the second input end are both coupled to a data line of the LCD panel and the repair line; and an overdrive look up table module, comprising: a receiving module, receiving image data of a present frame from the data line; an acquiring module, having a mapping table for preserving corresponding relationships of image data of a former frame, the image data of the present frame and output data, and the acquiring module acquires output data corresponding to the image data of the present frame and the image data of the former frame; and an outputting module, outputting a voltage corresponding to the output data to the first input end of the repair operational amplifier in a scheduled period; outputting a voltage corresponding to the image data of the present frame to the first input end of the repair operational amplifier after the scheduled period.