取向层参数对响应时间的影响
发布时间：2019-06-04 12:33
【摘要】：为了减小液晶波前校正器的响应时间,本文结合光控取向技术,研究了取向层预倾角及锚定强度特性对器件响应性能的影响。以液晶动力学方程为依据,分析预倾角效应对液晶器件响应时间的影响;利用预倾角及锚定强度与响应时间的定量关系,推导出锚定强度与预倾角的关系,从而简化了锚定强度的测量方法。采用光谱法监测了光控取向膜的取向度;以此为依据,利用4种不同曝光方式获得了不同的预倾角。理论模拟及实验结果一致表明:偶氮染料分子(SD1)获得一定的锚定强度后,通过降低其预倾角角度,其所制器件的响应性能实现了优化。
[Abstract]:In order to reduce the response time of liquid crystal wavefront corrector, the effects of preinclination angle and anchoring strength characteristics of orientation layer on the response performance of liquid crystal wavefront corrector are studied in this paper. Based on the dynamic equation of liquid crystal, the influence of predip effect on the response time of liquid crystal device is analyzed. Based on the quantitative relationship between preinclination angle and anchoring strength and response time, the relationship between anchoring strength and predip angle is derived, which simplifies the measurement method of anchoring strength. The orientation degree of the optically controlled orientation film was monitored by spectroscopy, and different predip angles were obtained by using four different exposure methods. The theoretical simulation and experimental results show that after the azo dye molecule (SD1) obtains a certain anchoring strength, the response performance of the device is optimized by reducing its preinclination angle.
【作者单位】： 中国科学院长春光学精密机械与物理研究所应用光学国家重点实验室;中国科学院大学;
【基金】：国家自然科学基金资助项目(No.61205021)~~
【分类号】：TN873.93
本文编号：2492726
[Abstract]:In order to reduce the response time of liquid crystal wavefront corrector, the effects of preinclination angle and anchoring strength characteristics of orientation layer on the response performance of liquid crystal wavefront corrector are studied in this paper. Based on the dynamic equation of liquid crystal, the influence of predip effect on the response time of liquid crystal device is analyzed. Based on the quantitative relationship between preinclination angle and anchoring strength and response time, the relationship between anchoring strength and predip angle is derived, which simplifies the measurement method of anchoring strength. The orientation degree of the optically controlled orientation film was monitored by spectroscopy, and different predip angles were obtained by using four different exposure methods. The theoretical simulation and experimental results show that after the azo dye molecule (SD1) obtains a certain anchoring strength, the response performance of the device is optimized by reducing its preinclination angle.
【作者单位】： 中国科学院长春光学精密机械与物理研究所应用光学国家重点实验室;中国科学院大学;
【基金】：国家自然科学基金资助项目(No.61205021)~~
【分类号】：TN873.93
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