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10 April 2024 Materials and process considerations for AR glasses
Brian Schowengerdt
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Proceedings Volume 12957, Advances in Patterning Materials and Processes XLI; 129570E (2024) https://doi.org/10.1117/12.3012902
Event: SPIE Advanced Lithography + Patterning, 2024, San Jose, California, United States
Abstract
Augmented reality glasses offer the potential to seamlessly integrate digital information into the world to enable users to maintain a strong situational awareness of the physical world while interacting with content. This awareness is particularly important in mobile computing scenarios, as users move through uncontrolled environments. For users to be comfortable wearing AR glasses in public spaces and for extended durations, they need to be in a compact, lightweight, and socially acceptable form factor, such as today’s prescription glasses. At the same time, it is helpful to provide users a large field-of-view image with high image quality—placing strong demands on optical architectures and underlying materials. We’ll discuss how material properties and processes constrain the performance of AR glasses, and the potential to enable higher performance in a smaller form factor. We’ll describe considerations for optical waveguide substrates, coatings, and patterning processes, with discussion of impacts to both display and sensor systems. Finally, we’ll highlight areas for materials and process improvements that could have large positive impacts on the AR glasses field.
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Brian Schowengerdt "Materials and process considerations for AR glasses", Proc. SPIE 12957, Advances in Patterning Materials and Processes XLI, 129570E (10 April 2024); https://doi.org/10.1117/12.3012902
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KEYWORDS
Glasses
Augmented reality
Materials processing
Sensors
Materials properties
Optical coatings
Optical lithography
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