AUO Display Plus, a subsidiary of AUO specializing in vertical field display solutions, has partnered with S-Bahn Hamburg, a subsidiary of Germany’s largest railway operator Deutsche Bahn AG (DB). At the 2025 International Association of Public Transport (UITP) Global Public Transport Summit, they showcased a new concept train featuring AUO Display Plus’s industry-exclusive HiRaso display technology. Utilizing cholesteric liquid crystal displays (ChLCD) with reflective and bistable properties, this innovation achieves zero power consumption for information display, supporting DB’s transition to greener transportation.