This paper demonstrates scalable transparent displays using holographic optical elements, suggesting practical applications in vehicles and smart environments.
Holographic optical elements (HOEs) are used nowadays as an innovative approach to realize different optical functions in transparent media and to make glass smart, which was not possible or limited using conventional optical elements such as lenses or mirrors. As a promising application, transparent displays have been developed already for several years. Due to the technical or cost limitations of other approaches, Zeiss proposed a new technology based on HOEs to realize display functions in transparent freeform shaped media, which are scalable for mass production. This gives enormous potential to apply transparent displays in different use‐cases such as incorporation into the windshield and the side door window in a vehicle or in an airplane. It could be also applied to any other glass surfaces and transparent media e.g. in the field of public transportation or smart home technologies. In this paper, we will introduce this innovative technology of transparent holographic displays.
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Zhong-Schipp et al. (2025) studied this question.
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