Foveated glasses-free 3D display with ultrawide field of view via a large-scale 2D-metagrating complex

Jianyu Hua; Erkai Hua; Fengbin Zhou; Jiacheng Shi; Chinhua Wang; Huigao Duan; Yueqiang Hu; Wen Qiao; Linsen Chen

doi:10.1038/s41377-021-00651-1

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Foveated glasses-free 3D display with ultrawide field of view via a large-scale 2D-metagrating complex

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- Foveated glasses-free 3D display with ultrawide field of view via a large-scale 2D-metagrating complex
- Light: Science & Applications Vol. 10, Issue 11, Pages: 2217-2225(2021)
- Affiliations：
  
  1.School of Optoelectronic Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, 215006, Suzhou, China
  2.Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University, 215006, Suzhou, China
  3.State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, College of Mechanical and Vehicle Engineering, Hunan University, 410082, Changsha, China
  4.SVG Optronics, Co., Ltd, 215026, Suzhou, China
- Author bio：
  
  Wen Qiao (wqiao@suda.edu.cn)
  Linsen Chen (lschen@suda.edu.cn)
- Funds：
- DOI：10.1038/s41377-021-00651-1
  CLC：
- Published：30 November 2021，
  
  Published Online：12 October 2021，
  
  Received：14 June 2021，
  
  Revised：10 September 2021，
  
  Accepted：19 September 2021
- Accepted：
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Hua, J. Y. et al. Foveated glasses-free 3D display with ultrawide field of view via a large-scale 2D-metagrating complex. Light: Science & Applications, 10, 2217-2225 (2021).
DOI：

Hua, J. Y. et al. Foveated glasses-free 3D display with ultrawide field of view via a large-scale 2D-metagrating complex. Light: Science & Applications, 10, 2217-2225 (2021). DOI： 10.1038/s41377-021-00651-1.

摘要

Abstract

Glasses-free three-dimensional (3D) displays are one of the game-changing technologies that will redefine the display industry in portable electronic devices. However

because of the limited resolution in state-of-the-art display panels

current 3D displays suffer from a critical trade-off among the spatial resolution

angular resolution

and viewing angle. Inspired by the so-called spatially variant resolution imaging found in vertebrate eyes

we propose 3D display with spatially variant information density. Stereoscopic experiences with smooth motion parallax are maintained at the central view

while the viewing angle is enlarged at the periphery view. It is enabled by a large-scale 2D-metagrating complex to manipulate dot/linear/rectangular hybrid shaped views. Furthermore

a video rate full-color 3D display with an unprecedented 160° horizontal viewing angle is demonstrated. With thin and light form factors

the proposed 3D system can be integrated with off-the-shelf purchased flat panels

making it promising for applications in portable electronics.

关键词

Keywords

references

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