简要说明了手征向列相液晶的形成方式、分子排列特点和光学性质,详细介绍了具有宽波反射特性的手征向列相液晶在国内外的研究进展情况,概括了特殊的多螺距分布结构的形成机理,并展望了其应用前景及发展方向。
Modes of formation, features of molecular alignment and optical properties of chiral nematic liquid crystals are briefly introduced in this paper. Recent developments in the chiral nematic liquid crystals with characteristics of broad-band reflection are discussed in detail. Different methods to obtain the unusual pitch distribution in the chiral chiral nematic liquid crystals are summarized. are analyzed. nematic liquid crystals polymers or polymer stabilized Furthermore, prospects for their potential application