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超扭曲液晶显示(STN)以其信息显示容量高、易于工业化生产等特点而成为液晶显示的一个重要产品.高的扭曲角需要高的预倾角,对于SBE而言需要的预倾角为10度以上,这样高的预倾角通过摩擦法是很难得到的.最近通过聚合物网络我们已经能在0°～20°范围内精确控制液晶的预倾角,这为获得更高扭曲角的STN显示提供了巨大的可能性.本文研究了聚合物网络中的240°STN的特性,发现在聚合物网络中的STN除具有普通STN的良好的一致排列性、高的陡度特性等特点外,还具有抗机械冲击性强和更宽阔的视角等特点,大大地改善了原有的STN的显示品质和使用性能.
Super twisted liquid crystal displays (STNs) are an important product of liquid crystal displays because of their high information display capacity and ease of industrial production, etc. High twist angles require a high pretilt angle, which requires a pretilt angle of 10 degrees or more for SBE , Such a high pretilt angle is hard to obtain by rubbing method.We have recently been able to precisely control the pretilt angle of the liquid crystal within the range of 0 ° to 20 ° through the polymer network, which has provided STN display with higher twist angle Huge possibility.This paper studied the characteristics of 240 ° STN in polymer networks and found that STN in polymer network has the characteristics of good uniformity of alignment and high steepness as well as common STN, Mechanical impact and a broader perspective and other characteristics, greatly improving the display of the original STN quality and performance.