| 摘要 |
A plasma display device which has sufficient levels of gradation for displaying a dark image, and a sufficiently low display luminance for a black level. A unit cell is composed of a large sub-cell 37 and a small sub-cell 38 , and the luminance level of the small sub-cell 38 is set to 1/16, 1/8, ¼, or ½ from one sub-field to another, so that the gradation of a dark image is smoothly displayed. Also, since the light emission luminance is sufficiently reduced when black is displayed by producing a priming discharge in the small sub-cell 38 , a satisfactory image is displayed.
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