Dynamic Properties of Twisted Nematic Liquid Crystal Cells
Dynamic Properties of Twisted Nematic Liquid Crystal Cells
复制标题
扭曲向列液晶盒的动态特性
DOI：
10.1143/jjap.19.659
复制
发表时间：
1980
期刊：
影响因子：
--
通讯作者：
Mikio Sato
中科院分区：
文献类型：
--
作者：
F. Nakano;H. Kawakami;Hirosada Morishita;Mikio Sato
研究了TN电池的上升和衰减响应与外加电压的关系。明确了上升响应应分为两个分量，延迟时间（td）和上升时间（tr），因为两者表现出不同的电压依赖性。tr与理论方程1/tr=k（tr）（V2-Vth 2）符合较好，其中k（tr）=ε0Δε/4πηd2。另一方面，对于td给出以下等式：1/td=k（td）（V2-V2 th）+C，其中k（td）总是小于k（tr）。接下来，澄清了还存在tdecay施加电压依赖性，并且然后将该依赖性公式化。提出了以下实验方程：tdecay=\frac{\eta{d}^{2}}{\pi^{2}{K}}（\frac{V}{V_{th}-1）a其中a\fallingdotseq 0.3。用衰减响应模式和“剪切流”运动解释了该方程的物理意义。
The applied voltage dependence of rise and decay responses in TN cells was investigated. It was made clear that the rise response should be divided into two components, delay time (td) and rise time (tr), because both showed different voltage dependences. tr showed good coincidence with a theoretical equation, 1/tr=k(tr)(V2-Vth2), where k(tr)=ε0Δε/4πηd2. On the other hand, the following equation was given for td: 1/td=k(td)(V2-V2th)+C, where k(td) was always smaller than k(tr). Next, it was clarified that a tdecay applied voltage dependence also existed, and that dependence was then formulated. The following experimental equation was proposed :tdecay=\frac{\eta{d}^{2}}{\pi^{2}{K}}(\frac{V}{V_{\text{th}}}-1)a where a\fallingdotseq0.3. The physical meaning of the equation was explained with respect to a decay response pattern and “shear flow” motion.