| 摘要 |
It is an object to provide a display module which can display a correct gray scale by a field sequential driving method and an electronic device including the display module. One frame period is divided into a plurality of lighting periods, and in each of the plurality of lighting periods, signals are supplied to a pixel a plurality of times, whereby the transmissivity of a liquid crystal element is changed over time. Accordingly, even with the use of a liquid crystal element with low response speed as a display element, a correct gray scale can be expressed. In addition, the transmissivity of the liquid crystal element is set at 0% or a backlight is controlled not to emit light in switching of lighting of a backlight or switching of lighting periods, whereby a more correct gray scale can be expressed.
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