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以镀有氧化锡铟的聚对苯二甲酸乙二酯(ITO-PET)薄膜为柔性电极,对电极导电表面进行处理,以间隔子控制器件厚度,采用灌注法制备了界面致稳型可挠性双稳态胆甾相液晶显示器件。利用接触角测试仪、显微镜和紫外-可见分光光度等分析胆甾相液晶显示器件的微观结构及光电特性。结果表明,表面处理涂层可与液晶分子作用并产生界面致稳效应;采用大小为6μm的间隔子,当改性层溶液中间隔子质量分数为3%时,制备了有效面积为10×15 cm2的柔性双稳态液晶显示器件,测得饱和驱动电压为40 V,在550 nm的透过率为90%;最后通过刻蚀技术处理器件电极制备了字符显示器件。
An indium tin oxide-coated polyethylene terephthalate (ITO-PET) film was used as the flexible electrode to process the conductive surface of the electrode. The spacer was used to control the thickness of the device and the interface was stabilized by a filling method Bistable cholesteric liquid crystal display device. The microcosmic structure and photoelectric properties of cholesteric liquid crystal display devices were analyzed by using contact angle tester, microscope and UV-visible spectrophotometer. The results show that the surface treatment coating can interact with the liquid crystal molecules and produce interfacial stabilizing effect. When the spacers with the size of 6μm are used, when the mass fraction of spacer in the modified layer is 3%, the effective area is 10 × 15 cm2. The saturated driving voltage was 40 V and the transmittance at 550 nm was 90%. Finally, the character display device was fabricated by etching the electrode of the device.