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13 March 2024 High-resolution light field display based on a mini-LED field sequential color micro-LCD
Zong Qin, Zeyu Wang, Qimeng Wang, Guowei Zou, Yunfan Cheng, Yi Liu, Yutong Li, Changwen Ma, Zhou Zhang, Guowei Zha
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Proceedings Volume 12908, Advances in Display Technologies XIV; 1290804 (2024) https://doi.org/10.1117/12.2692767
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
The light field display (LFD) can provide realistic 3D content with feasible implementation but is encountering low spatial resolution, requiring higher-resolution picture generation units. The mini-LED backlight LCD is a strong competitor due to its high contrast, small form factor, and mature fabrication. We remove the color filter array for tripled resolution and light efficiency, namely, the field sequential color (FSC) LCD. This study reports an LFD prototype based on a 240-Hz FSC-LCD. The unique issue in FSC-LCDs, color breakup, is addressed by using three fields for one frame, but not traditional 4-field driving. The low-color-breakup driving is achieved using multi-objective optimization (MOO) to create a training set for a lightweight neural network. The MOO guarantees our system’s color breakup and image distortion are simultaneously invisible, and the lightweight neural network realizes real-time driving.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Zong Qin, Zeyu Wang, Qimeng Wang, Guowei Zou, Yunfan Cheng, Yi Liu, Yutong Li, Changwen Ma, Zhou Zhang, and Guowei Zha "High-resolution light field display based on a mini-LED field sequential color micro-LCD", Proc. SPIE 12908, Advances in Display Technologies XIV, 1290804 (13 March 2024); https://doi.org/10.1117/12.2692767
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KEYWORDS
Liquid crystal displays
Backlighting
Distortion
RGB color model
Neural networks
Virtual reality
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