Provided are a light control film whereby flickering is hard to recognize when observing external light via the light control film, a light control member comprising same, a vehicle, and an electricity supply method for the light control film. In the vehicle 130, the light control film 1 having a vertically-aligned liquid crystal layer is attached to a sunroof 132. The light control film 1 is attached to the sunroof 132 of the vehicle 130 such that the liquid crystal molecules fall to the rear of the vehicle 130 when an electric field is applied to the liquid crystal layer. As a result, passengers in the vehicle do not sense any flickering inside the car and have no discomfort.