Polarizer-free, electrically switchable and optically rewritable displays based on dye-doped polymer-dispersed liquid crystals

Andy Ying Guey Fuh, Che Chang Chen, Cheng Kai Liu, Ko Ting Cheng

研究成果: 雜誌貢獻期刊論文同行評審

47 引文 斯高帕斯(Scopus)

摘要

This work demonstrates the feasibility of a polarizer-free, electrically switchable and optically rewritable display based on dye-doped polymer-dispersed liquid crystals (DD-PDLCs). Experimental results indicate that the doped dyes are homeotropically adsorbed onto the polymer film when an appropriate AC voltage is applied during patterning. The adsorbed dyes in the illuminated region then align the liquid crystals homeotropically, and produce a transparent pattern in the scattering background without any polarizer. Notably, the adsorbed dyes can be erased and readsorbed using thermal and optical treatments, respectively. The switching time of the fabricated display is of the order of milliseconds, and the contrast ratio is ∼ 30.

原文???core.languages.en_GB???
頁(從 - 到)7088-7094
頁數7
期刊Optics Express
17
發行號9
DOIs
出版狀態已出版 - 27 4月 2009

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