Switching Characteristics of Silica Nanoparticle-Doped Dual-Mode Liquid Crystal Device

We investigate the switching characteristics of a silica nanoparticle-doped dual-mode liquid crystal (LC) display. In the multistable mode, aggregated silica networks impede the relaxation of LCs and increase the response time of the cell. A low-frequency AC pulse voltage rotates LCs and breaks aggregated silica networks. The breaking of silica networks accelerates the relaxation of LCs and hence decreases the response time of the cell. The low-frequency AC pulse voltage gives the cell a fast response time of ${\sim}23$ ms, which is ${\sim}4$% of our previous result. ©2010

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