| 摘要 |
A liquid crystal display device for preventing residual image includes a liquid crystal panel having a plurality of pixel units for displaying an image, a detecting circuit for generating a power control signal in response to a power switching signal, and a source driver. The source driver includes a processing unit, a plurality of first switch units, and a plurality of second switch units. The processing unit is used for providing a data signal. The plurality of first switch units coupled electrically to the processing unit, are used for conducting the data signal to the plurality of pixel units when the power switching signal is at a first state. The plurality of second switch units are used for electrically connecting the plurality of pixel units when the power switching signal is at a second state.
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