Koito exhibited the new Rear combi lamp for Truck at IAAE 2025. This Rear combination lamp has a snow melting device. It’s the principle that a heat source is attached to the inside of the lens. There is already snow melting device today but it is a film type, but there was a problem that the film was peeled off when the car was washed. Koito’s new technology uses a heat source attached to the inside of the lens to prevent from peeling problem.
A temperature sensor is installed inside the lens. Automatically turns the heater on condition that the temperature drops below 5°C and off at 15°C. The temperature reaches about 50°C on the lens surface. There is only one type of the lamp at present, which is for medium-sized trucks. SOP was last year. Koito is also considering adopting this technology for large Heavy Duty trucks.
When there is a heavy snow, especially with the recent LED lamp, the snow on the lens surface does not melt easily. In a result, the following vehicles do not notice that a truck is driving in front, which can lead to accidents. Koito believes this technology leads to safety and reduces accidents.