| 摘要 |
When an input power supply fed to a liquid crystal display device is cut off, a gate-on power supply for driving a gate line of a display part is automatically changed from a first power supply that reduces luminance inclination unevenness in the display part to a second power supply that causes residual charges in liquid crystal to be discharged. Consequently, at a normal driving time, a good quality display image with reduced unevenness in luminance inclination can be obtained, and at a power-off time, the display due to the residual charges of the liquid crystal is cleared so that an after image can be prevented from being visible.
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