Fast-response in-plane switching liquid crystal display

Ming-zhu FU; Yu-qiang GUO; Ya-xuan REN; Hong-mei MA; Yu-bao SUN

doi:10.3788/YJYXS20173209.0685

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Fast-response in-plane switching liquid crystal display

Material Scienc | 更新时间：2020-07-07

- Fast-response in-plane switching liquid crystal display
- Chinese Journal of Liquid Crystals and Displays Vol. 32, Issue 9, Pages: 685-691(2017)
- 作者机构：
  
  1.河北工业大学应用物理系, 天津 300401
  2.河北工业大学电子信息工程学院, 天津 300401
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20173209.0685
  CLC： TN104.3
- Received：27 February 2017，
  
  Accepted：01 April 2017，
  
  Published：05 September 2017
- 稿件说明：
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Ming-zhu FU, Yu-qiang GUO, Ya-xuan REN, et al. Fast-response in-plane switching liquid crystal display[J]. Chinese journal of liquid crystals and displays, 2017, 32(9): 685-691.
DOI：

Ming-zhu FU, Yu-qiang GUO, Ya-xuan REN, et al. Fast-response in-plane switching liquid crystal display[J]. Chinese journal of liquid crystals and displays, 2017, 32(9): 685-691. DOI： 10.3788/YJYXS20173209.0685.

摘要

共面转换液晶显示器（IPS-LCD）由于其具有可视角度大、色彩真实、画质出色等优点，在平板显示器中得到了广泛应用，然而响应速度慢限制了其在高端显示器中的应用。本文中，首先通过采用正性液晶，对IPS类型中的边缘场转换型（FFS）和边缘场共面转换型（FIS）的液晶显示器，不同摩擦角度下的电光特性和响应时间进行了模拟计算。然后从预倾角度、电极尺寸以及弹性常数出发，对FIS液晶盒结构参数进行了优化，提出了一种快速响应的液晶显示器。我们通过计算机模拟发现，在FFS液晶盒中，摩擦角度对工作电压具有较大影响，小摩擦角度可实现高透过率、低工作电压；而在FIS液晶盒中，摩擦角度对响应时间具有较大影响，大于10°时与2°时相比，响应速度可提高82.7%以上。并且，不同摩擦角度下，弹性常数对FIS液晶显示器的响应速度影响不同，摩擦角度为2°时，响应速度与弹性常数

、

都有关，而摩擦角度为12°时，响应速度只与

有关，这个原因导致了12°与2°时相比，响应速度提高了84.2%。

Abstract

Excellent viewing angle and outstanding ability of color reproduction in-plane switching liquid crystal displays (IPS-LCDs) are widely applied in TFT-LCD. However

its development in high-end LCD is limited by its slow response. In this paper

the electro-optic characteristics and response time of FFS and FIS modes in the IPS type are simulated with different rubbing angle by using the positive liquid crystal material. Furthermore

we report a simple method to reduce the response time in the fringe and in-plane switching (FIS) cell by optimizing tilt angle

electrodes size

and elastic constants. Through the simulations

we can obtain that the rubbing angle has a great influence on operating voltage in FFS cell

and small rubbing angle can achieve high transmittance and low operating voltage. However

the rubbing angle has a great impact on the response time in FIS cell. When the angle is greater than 10°

the response speed is increased by more than 82.7% compared with 2°. In addition

the elastic constants have an effect on the response time under different rubbing angles in the FIS mode. When the rubbing angle is 2°

the response speed is related to

and

When the rubbing angle is 12°

the response speed is only related to

which results in an increase in switching speed of 84.2% compared to 2°.

关键词

Keywords

references

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