| 摘要 |
To reduce heating value of the drain driver in a display device applying an FBI drive method. In a display device applying the FBI drive method in which each subpixel displays one gray scale required by an external system by displaying two gray scales which are a gray scale corresponding to first display data during one frame period of continuous two frame periods and a gray scale corresponding to second display data during the other frame period of the continuous two frame periods, and the luminance according to the second display data is lower than the luminance according to the first display data when the display data inputted from the external system is in a halftone gray scale, the power supply circuit supplies high-potential first power supply voltage to the driver during the first frame period and supplies low-potential first power supply voltage having the potential lower than the high-potential first power supply voltage during the second frame period.
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