| 摘要 |
An opposing electrode voltage regulator adjusts the voltage values of an opposing electrode inputted in a liquid crystal display through the below processing. In a case where an instruction is given to adjust the voltage value of the opposing electrode inputted in the liquid crystal panel, the value of the parameter set to the opposing electrode voltage generator is changed, and a plurality of values are successively set. The difference between the maximum and minimum values of the luminance signal inputted from the luminance detectors is found as the flicker value for each parameter value. The parameter value corresponding to the minimum flicker value that was found is set to the opposing electrode voltage generator. The opposing electrode voltage is thereby adjusted in response to changes in the optimal value that should be provided as the opposing electrode voltage for the liquid crystal panel. <IMAGE>
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