Achromatic diffractive liquid-crystal optics for virtual reality displays

Zhenyi Luo; Yannanqi Li; John Semmen; Yi Rao; Shin-Tson Wu

doi:10.1038/s41377-023-01254-8

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Achromatic diffractive liquid-crystal optics for virtual reality displays

Original Articles

- Achromatic diffractive liquid-crystal optics for virtual reality displays
- Light: Science & Applications Vol. 12, Issue 10, Pages: 2215-2227(2023)
- Affiliations：
  
  1.College of Optics and Photonics, University of Central Florida, Orlando, FL 32816, USA
  2.Goertek Electronics, 5451 Great America Parkway, Suite 301, Santa Clara, CA 95054, USA
- Author bio：
  
  Shin-Tson Wu (swu@creol.ucf.edu)
- Funds：
- DOI：10.1038/s41377-023-01254-8
  CLC：
- Published：31 October 2023，
  
  Published Online：15 September 2023，
  
  Received：24 June 2023，
  
  Revised：03 August 2023，
  
  Accepted：06 August 2023
- Accepted：
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Luo, Z. Y. et al. Achromatic diffractive liquid-crystal optics for virtual reality displays. Light: Science & Applications, 12, 2215-2227 (2023).
DOI：

Luo, Z. Y. et al. Achromatic diffractive liquid-crystal optics for virtual reality displays. Light: Science & Applications, 12, 2215-2227 (2023). DOI： 10.1038/s41377-023-01254-8.

摘要

Abstract

Diffractive liquid-crystal optics is a promising optical element for virtual reality (VR) and mixed reality as it provides an ultrathin formfactor and lightweight for human factors and ergonomics. However

its severe chromatic aberrations impose a big challenge for full-color display applications. In this study

we demonstrate an achromatic diffractive liquid-crystal device to overcome this longstanding chromatic aberration issue. The proposed device consists of three stacked diffractive liquid crystal optical elements with specifically designed spectral response and polarization selectivity. The concept is validated by both simulations and experiments. Our experimental results show a significant improvement in imaging performance with two types of light engines: a laser projector and an organic light-emitting diode display panel. In addition

our simulation results indicate that the lateral color shift is reduced by ~100 times in comparison with conventional broadband diffractive liquid-crystal lens. Potential applications for VR-enabled metaverse

spatial computing

and digital twins that have found widespread applications in smart tourism

smart education

smart healthcare

smart manufacturing

and smart construction are foreseeable.

关键词

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references

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