Abstract
This paper proposes a head-up display that displays virtual images of horizontal multichannel windows in order to protect drivers from potential dangers and possible accidents, which occur due to eye recognition response time for object distance in fast moving vehicles. A head-up display with a combiner lens structure that can simultaneously project multiple virtual images without antireflective coating material applied to the windshield has been studied. This includes an optical ray tracing system, which displays a virtual image of more than 8 inches in size at a distance of more than 3 m from the human eye. In addition, asymmetric and aspheric optical folding mirrors and a concave mirror system are applied to enlarge the virtual image. The study evaluation was realized through the optical distortion characteristics and the brightness uniformity of two lighting systems. The brightness uniformity of the two virtual displays exhibited high performances of 83.4 and 82.2%, and the optical distortion is reduced to less than 5% of the TV distortion.
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Acknowledgements
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (No. NRF 2015R1C1A1A01053249).
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Chi, Y. (2019). A Multiple Optical Vision System of Virtual Display. In: Kim, K., Baek, N. (eds) Information Science and Applications 2018. ICISA 2018. Lecture Notes in Electrical Engineering, vol 514. Springer, Singapore. https://doi.org/10.1007/978-981-13-1056-0_16
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DOI: https://doi.org/10.1007/978-981-13-1056-0_16
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