a first transistor and a second transistor over a substrate;

a first insulating film over the first transistor and the second transistor;

a first conductive film, a second conductive film, and a second insulating film over and in contact with the first insulating film, the second insulating film being positioned between the first conductive film and the second conductive film;

a third insulating film over the first conductive film, the second conductive film, and the second insulating film; and

a third conductive film and a fourth conductive film over the third insulating film, the third conductive film overlapping with the first conductive film and the fourth conductive film overlapping with the second conductive film;

a layer over the third conductive film and the fourth conductive film, the layer containing a liquid crystal material,

wherein a first pixel comprises the first transistor, the first conductive film, and the third conductive film,

wherein a second pixel comprises the second transistor, the second conductive film, and the fourth conductive film,

wherein the first pixel and the second pixel are adjacent to each other,

wherein the third conductive film has a comb-like shape and is electrically connected to the first transistor, and

wherein the fourth conductive film has a comb-like shape and is electrically connected to the second transistor.