| 摘要 |
An image processing circuit generates an output video signal from an input video signal and outputs the output video signal to a display panel with a higher frame frequency than the frame frequency of the input video signal. The output video signal includes a main-frame image and a sub-frame image. The image processing circuit has a luminance control unit. When the frame frequency of the output video signal is Io, and the display luminance of the sub-frame is B (0<B<0.5), the luminance control unit determines the ratio of the display luminance between the main-frame image and the sub-frame image so that the frequency In calculated by B=(2/3)×(1−(Io/2In)2) is equal to or more than 65 Hz and equal to or less than 80 Hz.
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