Mr. Wenjie Zha Profile

Wenjie Zha

at Beijing Institute of Technology

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Proceedings Article | 24 November 2021 Paper

The luminance and chromaticity measurement of head-mounted displays

Wenjie Zha, Qiwei Wang, Dewen Cheng, Yongtian Wang

Proceedings Volume 12063, 120630E (2021) https://doi.org/10.1117/12.2606683

KEYWORDS: Head-mounted displays, Spectroscopy, Augmented reality, Virtual reality, Optical fibers, Displays, Optical testing

Read Abstract +

Compared with the traditional panel display, the head-mounted display (HMD) is a new technology. When using an HMD, it occupies a significant portion of the eyes’ natural field of view (FOV). Thus, it is necessary to ensure the imaging quality of an HMD, which requires accurate measurement and evaluation. Based on the measurement of panel display, this paper proposes a kind of luminance and chromaticity measuring equipment for HMD by combining an optical fiber spectrometer with a translation platform. The equipment measures various parameters such as brightness, chromaticity, contrast, color gamut, eyebox, etc. To prove the validity of the equipment, several HMDs with different luminance are used for multiple measurements. The final results show that the brightness stability of the equipment reaches 2%, and the chromaticity stability reaches 0.002, which fully meets the measurement requirements of HMD. This equipment has certain reference value for HMD production and testing.

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