China patent 200720 1 12869.0 discloses a sign for an electric vehicle. A reflective layer is arranged on the sign body, and the reflective layer will emit light under the irradiation of light, thus avoiding the rear-end collision of the vehicle.
Although the above patents help to improve the safety of driving at night, people still need to brake and turn during driving, and the above signs can't provide corresponding tips.
Extended data:
Its main contents include vehicle model, engine model, engine displacement, rated engine power, vehicle identification code, total mass, load or passenger capacity, factory number, manufacturing year, manufacturing country and factory name, etc.
The vehicle nameplate is generally located in the front of the vehicle where it is easy to observe, such as under the B-pillar. Usually located on the inner wall of the engine compartment. Most of them are on the side near the cab (the rear wall of the engine compartment), and some of them are on the side wall of the engine compartment.