| 摘要 |
PURPOSE: A liquid crystal display device is provided to reduce coupling which is generated in lines of the liquid crystal panel by shifting a common voltage signal by a frame unit and supplying it to the common electrode. CONSTITUTION: A liquid crystal display comprises a liquid crystal panel and a common voltage supply unit. The common voltage supply unit supplies the common voltage signal to a common electrode of the liquid crystal panel. The common voltage signal is reversed by a period of more than two lines. The common voltage signal is shifted into one line by a frame unit.
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