Time-multiplexed light field display with 120-degree wide viewing angle

Time-multiplexed light field display with 120-degree wide viewing angle

The light field display can provide vivid and natural 3D performance, which can find many applications, such as relics research and exhibition. However, current light field displays are constrained by the viewing angle, which cannot meet the expectations. With three groups directional backlights and...

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Veröffentlicht in:Optics express 2019-11, Vol.27 (24), p.35728-35739
Hauptverfasser: Liu, Boyang, Sang, Xinzhu, Yu, Xunbo, Gao, Xin, Liu, Li, Gao, Chao, Wang, Peiren, Le, Yang, Du, Jingyan
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container_end_page 35739
container_issue 24
container_start_page 35728
container_title Optics express
container_volume 27
creator Liu, Boyang
Sang, Xinzhu
Yu, Xunbo
Gao, Xin
Liu, Li
Gao, Chao
Wang, Peiren
Le, Yang
Du, Jingyan
description The light field display can provide vivid and natural 3D performance, which can find many applications, such as relics research and exhibition. However, current light field displays are constrained by the viewing angle, which cannot meet the expectations. With three groups directional backlights and a fast-switching LCD panel, a time-multiplexed light field display with a 120-degree wide viewing angle is demonstrated. Up to 192 views are constructed within the viewing range to ensure the right geometric occlusion and smooth parallax motion. Clear 3D images can be perceived at the entire range of viewing angle. Additionally, the designed holographic functional screen is used to recompose the light distribution and the compound aspheric lens array is optimized to balance the aberrations and improve the 3D display quality. Experimental results verify that the proposed light field display has the capability to present realistic 3D images of historical relics in 120-degree wide viewing angle.
doi_str_mv 10.1364/OE.27.035728
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title Time-multiplexed light field display with 120-degree wide viewing angle
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