46.1: Design of Full‐color Multi‐plane Augmented Reality Display with PSLC Scattering Shutters

Liu, Shuxin; Li, Yan; Zhou, Pengcheng; Chen, Quanming; Li, Sida; Wang, Yunfen; Liu, Yueda; Su, Yikai

doi:10.1002/sdtp.12763

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2019

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“…A number of recent innovations about electrically switchable windows and flexible windows have provided new properties for windows, such as privacy windows, energy-saving windows, and smart windows [1,2,3,4,5,6,7]. Among various types of electrically switchable windows, liquid-crystal-based (LC) windows have attracted great attention due to their fast response, low cost, and simple structure [8,9,10,11,12].…”

Section: Introductionmentioning

confidence: 99%

Polymer Stabilized Liquid Crystal Smart Window with Flexible Substrates Based on Low-Temperature Treatment of Polyamide Acid Technology

et al. 2019

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Polymer stabilized liquid crystal (PSLC) devices can be used as smart privacy windows that switch between transparent and opaque states. The polyimide alignment layer of a PSLC device is usually obtained by the treatment of polyamide acid (PAA) with temperatures over 200 °C. This hinders the fabrication of PSLC devices on flexible substrates, which melt at these high temperatures. In this work, the fabrication of a PSLC alignment layer using a lower temperature that is compatible with most flexible substrates, is demonstrated. It was found that the treatment of PAA at 150 °C could generate the same alignment for liquid crystals. Based on this, a PSLC device was successfully fabricated on a flexible polyethylene terephthalate (PET) substrate, demonstrating excellent electro-optic performances.

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