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首页> 外文期刊>Journal of industrial and engineering chemistry >Electro-optical characteristics of dye-doped polymer dispersed liquid crystals
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Electro-optical characteristics of dye-doped polymer dispersed liquid crystals

机译：染料掺杂的聚合物分散液晶的电光特性

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摘要

The electro-optical properties of dye-doped Polymer Dispersed Liquid Crystal (PDLC) films were examined as a function of the polymer UV curing temperature, injection temperature and applied voltage. In addition, the effects of the morphology on the electro-optical properties were examined. The contrast ratio and driving voltage of the PDLC films were affected considerably by changes in the UV curing temperature but the injection temperature had a much lesser effect. The color difference and electro-optic characteristics of the dye doped PDLC film were investigated, where the PDLC films were doped with RGB dyes for flexible display applications. The red-dye-doped PDLC film with small-sized particles showed good color differences. In this dye-doped PDLC system, the film driving voltage (V_(on)) of the PDLC increased with increasing liquid crystal droplet size, except for the TL205-prepolymer-red dye. In particular, the red-dye doped PDLC composition showed the lowest V_(on) in the electro-optic characteristics of the dye-doped PDLC film.
机译：研究了染料掺杂的聚合物分散液晶（PDLC）薄膜的电光性能与聚合物紫外线固化温度，注入温度和施加电压的关系。另外，检查了形态对电光性质的影响。 PDLC膜的对比度和驱动电压受UV固化温度的变化影响很大，但注入温度的影响要小得多。研究了掺有染料的PDLC膜的色差和电光特性，其中PDLC膜掺有RGB染料以用于柔性显示应用。带有小颗粒的掺有红色染料的PDLC膜显示出良好的色差。在该染料掺杂的PDLC系统中，除TL205-预聚物-红色染料外，PDLC的膜驱动电压（V_（on））随液晶滴尺寸的增加而增加。特别地，在掺杂染料的PDLC膜的电光特性中，掺杂红染料的PDLC组合物显示出最低的V_（on）。

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