Abstract
In recent years, modified liquid crystal (LC) material has been widely applied in display industry for outstanding performances by changing the prescription or adding additives. Polymer stabilised cholesteric liquid crystal (PSCLC) was designed with the aim for achieving better performance. In this study, a stable system was established by doping FexNiy nanoparticles into a PSCLC film, in which nanoparticles (NPs) were modified by organic LC molecules. The NPs composite were monodispersed evenly in PSCLC film without agglomeration. The electrical-optical performance was improved in different ways. The minimum reported response time of FeNi, FeNi3 and Ni was 3.32, 3.45 and 4.32 ms, which showed 72.33%, 71.25% and 64% reduction, respectively. However, the drive voltage of FeNi, FeNi3 and Ni was 6.92, 6.58 and 6.84 V which showed 61.56%, 63.44% and 62% reduction, respectively. The viewing angle of PSCLC was extended. Besides, as the drive frequency was raised by 5 kHz, Vth dropped from 6.58 to 1.62 V, and decreased by 75.37%, which presented the great potential in the frequency drive mode.
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