基于聚合物分散液晶膜的2D/3D可切换定向背光自动立体显示器

Q Engineering

Journal of Display Technology Pub Date : 2016-09-23 DOI:10.1109/JDT.2016.2613121

Haiyu Chen;Haowen Liang;Wei-Hung Lai;Cheng-Chang Li;Jiahui Wang;Jianying Zhou;Tsung-Hsien Lin;Iam Choon Khoo;Juntao Li

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引用次数: 9

摘要

研究了一种使用聚合物分散液晶（PDLC）膜的具有空间和顺序混合控制（SSHC）的2D/3D可切换自动立体显示器。用蒙特卡罗射线追踪方法模拟了光在SSHC系统中的传播。通过一系列模拟实例，得到了二维均匀性和各向异性因子以及平均自由程之间的关系。在模拟中，均匀性达到85%以上。同时，建立了一个双视点原型，给出了实验结果。测量表明，高透明的PDLC膜可以保持高质量的3D性能，而强扩散的PDLC薄膜可以增强2D模式下的均匀性。通过增加背光单元的驱动占空比，可以解决2D模式中的亮度衰减问题。我们的技术为自动立体显示器中的2D/3D切换提供了一种实用的解决方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 2D/3D Switchable Directional-Backlight Autostereoscopic Display Using Polymer Dispersed Liquid Crystal Films

A 2D/3D switchable autostereoscopic display with spatial and sequential hybrid control (SSHC) using polymer dispersed liquid crystal (PDLC) films is studied. The light propagation in the SSHC system is simulated with a Monte Carlo ray-tracing method. Relationship between the 2D uniformity and anisotropy factor as well as mean free path is obtained by a series of simulation cases. The uniformity reaches over 85% in simulation. As well, a two-viewpoint prototype is built to give the experimental result. Measurements show that a highly transparent PDLC film can maintain the high-quality 3D performance while a strongly diffusive one can enhance the uniformity in 2D mode. By increasing the driving duty cycle of the backlight units, the issue of luminance attenuation in 2D mode can be addressed. Our technique offers a practical solution for 2D/3D switch in autostereoscopic displays.

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来源期刊

Journal of Display Technology 工程技术-工程：电子与电气

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

2.8 months

期刊介绍： This publication covers the theory, material, design, fabrication, manufacturing and application of information displays and aspects of display technology that emphasize the progress in device engineering, design and simulation, materials, electronics, physics, and reliability aspects of displays and the application of displays. The Journal is sponsored by EDS, seven other IEEE societies (BT, CES, CPMT, IA, IM, PHO and SSC) and the Optical Society of America (OSA).