As illustrated in FIG. 12, determination unit 32 determines whether the reference line selected for each frame has the correlation with the reference line for each line in the scanning direction in order from the head line. Determination unit 32 determines whether the head line has the correlation with the reference line (S141). In a part (a) of FIG. 13, the reference line is pixel row 2, and whether the correlation exists is determined from pixel row 1 (head line). When determining that the head line has the correlation with the reference line (Yes in S141), determination unit 32 performs the control to write the data voltage of the reference line in the head line. That is, the head line is set to the correlation line (S142). When determining that the head line does not have the correlation with the reference line (No in S141), determination unit 32 sets the head line to the reference line (S143).
