Optical compensation methods for eliminating the off-axis light leakage in in-plane switching liquid crystal display

Zhu-hui LONG; Mei-shan ZHANG; Hong-mei MA; Yu-bao SUN

doi:10.37188/CJLCD.2022-0098

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Optical compensation methods for eliminating the off-axis light leakage in in-plane switching liquid crystal display

Device Physics and Device Preparation | 更新时间：2022-07-25

- Optical compensation methods for eliminating the off-axis light leakage in in-plane switching liquid crystal display
- Chinese Journal of Liquid Crystals and Displays Vol. 37, Issue 7, Pages: 816-824(2022)
- 作者机构：
  
  河北工业大学应用物理系，天津 300401
- 作者简介：
- 基金信息：
- DOI：10.37188/CJLCD.2022-0098
  CLC： TP141.9
- Received：26 March 2022，
  
  Revised：05 April 2022，
  
  Published：05 July 2022
- 稿件说明：
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Zhu-hui LONG, Mei-shan ZHANG, Hong-mei MA, et al. Optical compensation methods for eliminating the off-axis light leakage in in-plane switching liquid crystal display[J]. Chinese journal of liquid crystals and displays, 2022, 37(7): 816-824.
DOI：

Zhu-hui LONG, Mei-shan ZHANG, Hong-mei MA, et al. Optical compensation methods for eliminating the off-axis light leakage in in-plane switching liquid crystal display[J]. Chinese journal of liquid crystals and displays, 2022, 37(7): 816-824. DOI： 10.37188/CJLCD.2022-0098.

摘要

本文综述了在共面转换液晶显示器中使用光学补偿膜降低离轴漏光的方法，应用模拟软件研究了可见光的暗态漏光。首先总结了使用双轴膜补偿方法，发现两个双轴膜的补偿效果优于一个双轴膜；研究和比较了6种单轴膜补偿方法，获得了离轴漏光接近于零的方法；最后研究了8种补偿方法暗态漏光的角度依赖性和波长依赖性。通过光学补偿膜提高液晶显示器中的宽视角特性具有重要的意义。

Abstract

This paper reviews optical compensation schemes for the elimination of off-axis light leakage in an in-plane-switching LCD. The dark-state light leakage of visible light is studied by using simulation software. Firstly， the method of optical compensation using biaxial membrane is summarized. The performance of the compensation methods that use two biaxial films is much better than that of the compensation methods using one biaxial film. Then， six methods of optical compensation using uniaxial films were investigated， and the methods of off-axis light leakage close to zero were obtained. Finally， we calculated the angle and wavelength dependence of the eight compensation methods. Optical compensation to improve the wide-viewing-angle characteristics is essential in a liquid crystal display （LCD）.

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references

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