Measuring and qualifying optical performance of AR/VR/MR device displays and addressing the unique visual requirements of transparent AR/MR displays

Eric Eisenberg; Jens Jensen

doi:10.1117/12.2546613

19 February 2020 Measuring and qualifying optical performance of AR/VR/MR device displays and addressing the unique visual requirements of transparent AR/MR displays

Eric Eisenberg, Jens Jensen

Author Affiliations +

Proceedings Volume 11310, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR); 113100S (2020) https://doi.org/10.1117/12.2546613
Event: SPIE AR VR MR, 2020, San Francisco, California, United States

Abstract

Ensuring the quality and accuracy of AR, VR, and MR displays requires precise measurement and qualification. Because these HMDs (head-mounted displays) fill a significant portion of the eye’s field of view (FOV), (typically 10-50 degrees for AR and 100-120 degrees for VR) minor defects and irregularities can be observed by a device user, potentially interfering with functionality and user experience. The available equipment on the market for testing AR/VR/MR displays may be similar, however, optical differences between AR/MR and VR systems require unique setups of test equipment to ensure that measurement and qualification will replicate the human visual experience. This paper provides a brief overview of display metrology requirements common to all types of AR/MR/VR displays and looks particularly at the unique requirements of testing AR and MR displays. For example, AR devices typically have a narrower FOV than immersive VR display headsets, and AR/MR virtual images are often (with optical see-through devices) projected onto a transparent surface with the background environment still visible to a user, making brightness and the resulting contrast critical performance parameters of the display. Topics covered in this paper include: unique optical configurations, performance parameters and usage environments specific to AR/MR devices; how to address the challenges of AR/MR display testing; specifications of photometric/colorimetric imaging systems (such as imaging resolution) used to measure and qualify AR/VR/MR displays. The paper also includes a discussion of recent research into testing new types of AR optical architectures.

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Eric Eisenberg and Jens Jensen "Measuring and qualifying optical performance of AR/VR/MR device displays and addressing the unique visual requirements of transparent AR/MR displays", Proc. SPIE 11310, Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR), 113100S (19 February 2020); https://doi.org/10.1117/12.2546613

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KEYWORDS

Eye

Modulation transfer functions

Imaging systems

Visualization

Augmented reality

Field emission displays

Virtual reality

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