| 摘要 |
A plasma display device in which, regardless of whether the display data amount is large or small, the variances in the luminance can be suppressed, the gradation of the display data can be faithfully displayed, the display quality is excellent, the power consumption is small, and a method of driving the plasma display device. A subfield-by-subfield display load calculating part calculates display load amount allocated to the respective subfields from the display data with respect to each of the subfields. Based on the calculated data of the display load amount, a sustain frequency calculating part calculates optimum sustain frequencies for the respective subfields. A sustain frequency controller within a drive controller generates sustain pulse voltage data based on the sustain frequencies calculated with respect to each of the subfields.
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