Slim-panel holographic video display.

Slim-panel holographic video display.
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Slim-Panel全息视频显示。

DOI:
10.1038/s41467-020-19298-4
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发表时间:
2020-11-10
影响因子:
16.6
通讯作者:
Lee HS
Lee HS
中科院分区:
综合性期刊1区
文献类型:
--
作者:
An J;Won K;Kim Y;Hong JY;Kim H;Kim Y;Song H;Choi C;Kim Y;Seo J;Morozov A;Park H;Hong S;Hwang S;Kim K;Lee HS

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自从近70年前发现全息图以来,人们一直认为全息图可以再现最逼真的三维图像,而不会产生视觉副作用。自Benton等人以来,全息视频已被广泛研究用于商业化。麻省理工学院媒体实验室于1990年开发了第一个全息视频系统。然而,商业上可用的全息视频显示器尚未推出,原因有几个:视角窄、光学元件笨重和计算能力强。在这里,我们提出了一种使用转向背光单元和全息视频处理器来解决上述问题的交互式薄板全息视频显示器。转向背光单元能够将视角扩大30倍,其衍射波导结构使显示器外形纤薄。全息视频处理器在单芯片上实时计算高质量的全息图。我们认为,超薄平板全息显示器可以在办公室和家庭环境中提供逼真的三维视频。既紧凑又能产生逼真的全息图像而不会造成眼睛疲劳的全息显示器仍然很难实现。在这里,作者实现了转向背光单元和全息视频处理器,以在超薄的面板上产生逼真的全息显示。
Since its discovery almost 70 years ago, the hologram has been considered to reproduce the most realistic three dimensional images without visual side effects. Holographic video has been extensively researched for commercialization, since Benton et al. at MIT Media Lab developed the first holographic video systems in 1990. However, commercially available holographic video displays have not been introduced yet for several reasons: narrow viewing angle, bulky optics and heavy computing power. Here we present an interactive slim-panel holographic video display using a steering-backlight unit and a holographic video processor to solve the above issues. The steering-backlight unit enables to expand the viewing angle by 30 times and its diffractive waveguide architecture makes a slim display form-factor. The holographic video processor computes high quality holograms in real-time on a single-chip. We suggest that the slim-panel holographic display can provide realistic three-dimensional video in office and household environments. Holographic displays that are both compact and produce realistic holograms without eyestrain are still difficult to realize. Here the authors implement a steering-backlight unit and a holographic video processor to produce a realistic holographic display in a slim panel.
DOI: 10.1364/ao.10.001636
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影响因子: 1.9
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影响因子: 64.8
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期刊: NATURE
影响因子: 64.8
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