High-fidelity light-field display with enhanced information utilization by modulating chrominance and luminance separately

Zhaohe Zhang; Xunbo Yu; Xin Gao; Boyang Liu; Hanbo Wang; Chao Gao; Zeyu Hao; Ruiang Zhao; Xinzhu Sang

doi:10.1038/s41377-025-01752-x

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High-fidelity light-field display with enhanced information utilization by modulating chrominance and luminance separately

Original Articles

- High-fidelity light-field display with enhanced information utilization by modulating chrominance and luminance separately
- Light: Science & Applications Vol. 14, Issue 3, Pages: 811-821(2025)
- Affiliations：
  
  1.State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), 100876 Beijing, China
  2.Jianghuai Advance Technology Center, Hefei 230000, China
  3.Zhuhai Zhenxiang Optoelectronics Technology Co., Ltd, Zhuhai 519075, China
- Author bio：
  
  Xunbo Yu (yuxunbo@126.com)
- Funds：
- DOI：10.1038/s41377-025-01752-x
  CLC：
- Received：26 August 2024，
  
  Revised：07 January 2025，
  
  Accepted：2025-01-07，
  
  Published Online：10 February 2025，
  
  Published：31 March 2025
- Accepted：
Scan QR Code
Zhang, Z. H. et al. High-fidelity light-field display with enhanced information utilization by modulating chrominance and luminance separately. Light: Science & Applications, 14, 811-821 (2025).
DOI：

Zhang, Z. H. et al. High-fidelity light-field display with enhanced information utilization by modulating chrominance and luminance separately. Light: Science & Applications, 14, 811-821 (2025). DOI： 10.1038/s41377-025-01752-x.

摘要

Abstract

Light-field displays typically consist of a two-dimensional (2D) display panel and a light modulation device. The 2D panel presents synthesized parallax images

with the total information content of the three-dimensional (3D) light field dictated by the panel's total resolution. Angular resolution serves as a critical metric for light-field displays

where higher angular resolution correlates with a more realistic 3D visual experience. However

the improvement of angular resolution is typically accompanied by a reduction in spatial resolution

due to the limitations of the 2D display panel's total resolution. To address this challenge

a light-field display method with enhanced information utilization is introduced

achieved through the independent modulation of chrominance and luminance. A static light-field image display system is proposed to verify the feasibility of this method. The system employs a bidirectional angular modulation grating (BAMG) and a collimated light source (CLS) to create uniformly distributed viewpoints in space. A luminance modulation film (LMF) and a chrominance modulation film (CMF) are utilized to modulate the light-field information

with chrominance and luminance synthesized images printed at pixel densities of 720 pixels per inch (PPI) and 8000 dots per inch (DPI)

respectively

to align with the differential sensitivities of the human visual system. In the experiment

the proposed display system achieves a full-parallax

high-fidelity color display with a 98.2° horizontal and 97.7° vertical field of view (FOV). So

the light-field display method of modulating chrominance and luminance separately has been proven to achieve high-fidelity display effects.

关键词

Keywords

references

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