Short focal length tunable liquid crystal lenticular lens array based on fringe field effect,Journal of the Society for Information Display

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Short focal length tunable liquid crystal lenticular lens array based on fringe field effect
Journal of the Society for Information Display ( IF 1.7 ) Pub Date : 2020-03-20 , DOI: 10.1002/jsid.889
Rui Li _{1,

2} , Fan Chu ₂ , Li‐Lan Tian ₂ , Xiao‐Qing Gu ₂ , Xiang‐Yu Zhou ₂ , Qiong‐Hua Wang _{1,

3}

Affiliation

A liquid crystal (LC) lenticular lens array based on fringe field effect is proposed. The gradient refractive index (GRIN) profile can be generated in the LC layer because of the fringe field between the strip‐shaped electrodes and the bottom electrode. The proposed LC lenticular lens array possesses ideal lens‐like phase profile and shortest focal length (1.199 mm) when the driving voltage is 5.4 V. The focal length can be tuned with millisecond response time by changing the driving voltage of the proposed LC lenticular lens array. The rise time τ_rise and decay time τ_decay of the proposed LC lenticular lens array are 162 and 94 ms, respectively.

中文翻译：

基于边缘场效应的短焦距可调液晶双凸透镜阵列

提出了一种基于边缘场效应的液晶双凸透镜阵列。由于带状电极和底部电极之间的边缘场，可以在LC层中生成梯度折射率（GRIN）轮廓。当驱动电压为5.4 V时，建议的LC双凸透镜阵列具有理想的透镜状相位分布和最短焦距（1.199 mm）。通过更改建议的LC双凸透镜的驱动电压，可以以毫秒响应时间来调整焦距。数组。所提出的LC双凸透镜阵列的上升时间τ_上升和衰减时间τ_衰减分别是162ms和94ms。

更新日期：2020-03-20

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