问题描述:
液晶电光效应及基本参数测量
摘 要
本论文主要内容是通过液晶的电光效应测得液晶样品的基本参数.论文第一章引言部分介绍了液晶的基本概念,包括液晶的发现,结构特点,分类,物理性质,光学特性以及液晶的应用;第二章详细介绍了液晶的光学特性,包括胆菑相液晶的选择反射,双折射现象及分析法,液晶的电光效应;第三章详细介绍了液晶的电光效应,包括电控双折射效应,动态散射型,有源矩阵液晶显示,扭曲向列型电光效应,超扭曲向列型电光效应,宾主效应与相变效应等;第四章主要介绍了液晶样品的基本参数并通过液晶电光效应试验测得数据作出电光曲线图,跟据电光曲线图求出液晶样品的阈值电压,饱和电压,对比度,陡度和响应时间等基本参数,并对求得参数分析,从而确定液晶样品的质量.
关键词:液晶的物理性质;液晶电光效应的基本理论;标定液晶样品的基本参数 设计实验测量液晶样品的域值电压;饱和电压;对比度;陡度;响应时间
问题解答:
我来补答补充回答:
The main content of this paper is to measure the basic parameters of liquid crystal samples through the electro-optic effect of liquid crystal. In the first chapter, the basic concepts of liquid crystal are introduced, including the discovery, structural characteristics, classification, physical properties, optical properties and applications of liquid crystal. In the second chapter, the optical properties of liquid crystal are introduced in detail, including the selective reflection, birefringence phenomenon and analysis method of cholesteric liquid crystal, The electro-optic effect of liquid crystal is introduced in detail in the third chapter, including electronic controlled birefringence, dynamic scattering, active matrix liquid crystal display, twisted nematic electro-optic effect, super twisted nematic electro-optic effect, guest host effect and phase transition effect, etc, According to the electro-optic curve, the threshold voltage, saturation voltage, contrast, steepness, response time and other basic parameters of the liquid crystal sample are obtained, and the obtained parameters are analyzed to determine the quality of the liquid crystal sample
Key words: physical properties of liquid crystal; basic theory of electro-optic effect of liquid crystal; calibration of basic parameters of liquid crystal sample; design of experiment to measure domain value voltage of liquid crystal sample; saturation voltage; contrast; steepness; response time
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2021-03-14