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Chengdu metro Head-up display


Chengdu metro line 9 is SW China’s first fully-automated driverless metro starting a test drive in December 2020.

Adopting the world's state-of-the-art GoA4 system, this unmanned metro line can run at a speed of 100km/h and is the first fully-automatic driverless subway line in W China.


Chengdu metro cockpit is featured with a head-up display powered by LUMINEQ in-glass display and is open to all passengers. Every day, the open cockpit in the front of the train is full of Chengdu citizens who punch in, rush to take photos, and share with their friends.


While enjoying the full view that is usually only available for the driver, they also witness the latest transparent display technology in action.

Video: originally from Chengdu metro's Weibo post

The head-up display is laminated in glass to show information like metro speed, date, and time. It is a more recent technology than the typical projected head-up display available in cars.

The traditional projector-based head-up solution requires extra space and a slight angle between the windshield and the projector. It is challenging to use the projector in the train, tram, or bus cockpit due to the space limitation and the steep windshield.

That is why you barely see head-up displays in public vehicles, trucks, vans, or industrial machine vehicles.

With the new in-glass display technology, OEMs and Tier1s are empowered to bring head-up displays to more vehicles besides cars and improve safety and ergonomics for drivers on the road.

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