Liquid crystal display device and electronic device

A semiconductor device comprising:na first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, and a sixth transistor,wherein a gate of the first transistor is electrically connected to a first wiring,wherein a first terminal of the first transistor is electrically connected to the first wiring,wherein a second terminal of the first transistor is electrically connected to a gate of the third transistor,wherein a first terminal of the second transistor is electrically connected to a second wiring,wherein a second terminal of the second transistor is electrically connected to the gate of the third transistor,wherein a first terminal of the third transistor is electrically connected to the first wiring,wherein a second terminal of the third transistor is electrically connected to a gate of the sixth transistor,wherein a gate of the fourth transistor is electrically connected to a third wiring,wherein a first terminal of the fourth transistor is electrically connected to the second wiring,wherein a second terminal of the fourth transistor is electrically connected to the gate of the sixth transistor,wherein a first terminal of the fifth transistor is electrically connected to the second wiring,wherein a second terminal of the fifth transistor is electrically connected to the gate of the sixth transistor,wherein a first terminal of the sixth transistor is electrically connected to the second wiring, andwherein a second terminal of the sixth transistor is electrically connected to a fourth wiring.

A semiconductor device comprising:na first transistor, a second transistor, a third transistor, and a fourth transistor,wherein a gate and a second terminal of the first transistor are electrically connected to a gate of the fourth transistor,wherein a first terminal of the first transistor is electrically connected to a second wiring,wherein a gate of the second transistor is electrically connected to a third wiring,wherein a first terminal of the second transistor is electrically connected to a first wiring,wherein a second terminal of the second transistor is electrically connected to the gate of the fourth transistor,wherein a gate of the third transistor is electrically connected to a fourth wiring,wherein a first terminal of the third transistor is electrically connected to the second wiring,wherein a second terminal of the third transistor is electrically connected to the gate of the fourth transistor,wherein a first terminal of the fourth transistor is electrically connected to the second wiring, andwherein a second terminal of the fourth transistor is electrically connected to a fifth wiring.

A display device comprising:na pixel; anda driver circuit comprising a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, and a sixth transistor,wherein a gate of the first transistor is electrically connected to a first wiring,wherein a first terminal of the first transistor is electrically connected to the first wiring,wherein a second terminal of the first transistor is electrically connected to a gate of the third transistor,wherein a first terminal of the second transistor is electrically connected to a second wiring,wherein a second terminal of the second transistor is electrically connected to the gate of the third transistor,wherein a first terminal of the third transistor is electrically connected to the first wiring,wherein a second terminal of the third transistor is electrically connected to a gate of the sixth transistor,wherein a gate of the fourth transistor is electrically connected to a third wiring,wherein a first terminal of the fourth transistor is electrically connected to the second wiring,wherein a second terminal of the fourth transistor is electrically connected to the gate of the sixth transistor,wherein a first terminal of the fifth transistor is electrically connected to the second wiring,wherein a second terminal of the fifth transistor is electrically connected to the gate of the sixth transistor,wherein a first terminal of the sixth transistor is electrically connected to the second wiring, andwherein a second terminal of the sixth transistor is electrically connected to a fourth wiring.

A display device comprising:na pixel; anda driver circuit comprising a first transistor, a second transistor, a third transistor, and a fourth transistor,wherein a gate and a second terminal of the first transistor are electrically connected to a gate of the fourth transistor,wherein a first terminal of the first transistor is electrically connected to a second wiring,wherein a gate of the second transistor is electrically connected to a third wiring,wherein a first terminal of the second transistor is electrically connected to a first wiring,wherein a second terminal of the second transistor is electrically connected to the gate of the fourth transistor,wherein a gate of the third transistor is electrically connected to a fourth wiring,wherein a first terminal of the third transistor is electrically connected to the second wiring,wherein a second terminal of the third transistor is electrically connected to the gate of the fourth transistor,wherein a first terminal of the fourth transistor is electrically connected to the second wiring, andwherein a second terminal of the fourth transistor is electrically connected to a fifth wiring.