The HÜBNER Group and ZEISS Microoptics have jointly developed a new holographic display technology for windows in trains and buses. This innovation aims to enhance passenger information delivery in public transport.
The system integrates holographic optical elements directly into window panes, allowing for the projection of information within passengers’ view. This technology offers potential advantages over traditional OLED displays, including improved energy efficiency and space usage.
Dr Viktor Schütz from ZEISS Microoptics described the technology as “Multifunctional Smart Glass,” suggesting it could have applications beyond simple displays, such as incorporating sensors and cameras.
Key features of the tech, which was presented at InnoTrans 2024 in Berlin, include reported transparency of more than 90%, capability to display different content based on viewing angle and integration directly into window systems. The technology could be used to display various types of information, including upcoming stops, local points of interest and route information.
This development comes as public transport operators seek ways to improve passenger experience and information delivery.
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