Method and device for avoiding image sticking

A device for avoiding image sticking, characterized in comprising:

• a) a bias voltage generation block for generating a bias voltage between a real common electrode voltage and an ideal common electrode voltage according to a real pixel electrode voltage acquired by a data line on a panel which is fed back to a source driving integrated chip, which bias generation block comprises:
• i) a data collection block for feeding the pixel electrode voltage acquired by the data line on the panel back to inside of the source driving integrated chip;
• ii) an inversion integrator group for performing integrating process on said pixel electrode voltage, input terminal of which connecting to output terminal of said data collection block;
• iii) an adder and a divider, an input terminal of said adder connecting to output terminal of said inversion integrator group, output terminal of said adder connecting to the divider, output terminal of said divider connecting to an amplifier, said adder, divider and amplifier being for calculating an average value of said difference voltage and performing averaging process on the resultant data of said integrating process;
• and
• iv) an amplifier, an input terminal of which connecting to the output terminal of said divider, for amplifying according to a refresh rate the resultant data of said averaging process to obtain said bias voltage between a real common electrode voltage and an ideal common electrode voltage;
• and
• b) an adjusting block connected with said bias voltage generation block, for adjusting the real common electrode voltage to make it consistent with the ideal common electrode voltage.