Effects of curing temperature and UV intensity on electro-optical properties of PSCT reverse-mode light shutters

Qingbing Wang; Zhenjun Ma; Hui Li; Xiaobin Li; Ximin Huang

doi:10.1117/12.385710

12 May 2000 Effects of curing temperature and UV intensity on electro-optical properties of PSCT reverse-mode light shutters

Qingbing Wang, Zhenjun Ma, Hui Li, Xiaobin Li, Ximin Huang

Author Affiliations +

Proceedings Volume 4147, Liquid Crystals: Chemistry, Physics, and Applications; (2000) https://doi.org/10.1117/12.385710
Event: XIII International Conference on Liquid Crystals: Chemistry, Physics, and Applications, 1999, Krynica Zdroj, Poland

Abstract

Effects of curing temperature and UV intensity on electro- optic properties of polymer stabilized cholesteric texture reverse-mode light shutters have been studied. Scanning electron studies indicate that increasing the curing temperature generally results in a larger average mesh size within polymer networks. The cell polymerized at correspondingly low temperature has a stable OFF state (planar texture) while the driving voltage is high. Increasing the curing intensity results in a more dense network and the strands are smooth and thin. The cells prepared with low UV intensity exhibit high contrast and low driving voltage, while the response time is slower than those prepared with high UV intensity.

Citation Download Citation

Qingbing Wang, Zhenjun Ma, Hui Li, Xiaobin Li, and Ximin Huang "Effects of curing temperature and UV intensity on electro-optical properties of PSCT reverse-mode light shutters", Proc. SPIE 4147, Liquid Crystals: Chemistry, Physics, and Applications, (12 May 2000); https://doi.org/10.1117/12.385710

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