TFT-LCD屏的Flicker和DC残留的研究及改善

叶纯; 王烨文; 林占强; 贺强; 邢程; 高晓莉

doi:10.3788/YJYXS20183312.1047

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TFT-LCD屏的Flicker和DC残留的研究及改善

图像处理 | 更新时间：2020-08-12

- TFT-LCD屏的Flicker和DC残留的研究及改善
- Research and improvement of flicker& residual DC in TFT-LCD
- 液晶与显示 2018年33卷第12期页码：1047-1052
- 作者机构：
  
  南京中电熊猫平板显示科技有限公司, 江苏南京, 210033
- 作者简介：
  
  [ "叶纯(1983-), 男, 江苏徐州人, 硕士, 工程师, 主要从事液晶显示器件的研究。E-mail:yeechun@126.com" ]
- 基金信息：
- DOI：10.3788/YJYXS20183312.1047
  中图分类号： TN141.9;O753.2
- 收稿日期：2018-07-21，
  
  录用日期：2018-9-12，
  
  纸质出版日期：2018-12
- 稿件说明：
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叶纯, 王烨文, 林占强, 等. TFT-LCD屏的Flicker和DC残留的研究及改善[J]. 液晶与显示, 2018,33(12):1047-1052.

Chun YE, Ye-wen WANG, Zhan-qiang LIN, et al. Research and improvement of flicker& residual DC in TFT-LCD[J]. Chinese journal of liquid crystals and displays, 2018, 33(12): 1047-1052.
叶纯, 王烨文, 林占强, 等. TFT-LCD屏的Flicker和DC残留的研究及改善[J]. 液晶与显示, 2018,33(12):1047-1052. DOI： 10.3788/YJYXS20183312.1047.

Chun YE, Ye-wen WANG, Zhan-qiang LIN, et al. Research and improvement of flicker& residual DC in TFT-LCD[J]. Chinese journal of liquid crystals and displays, 2018, 33(12): 1047-1052. DOI： 10.3788/YJYXS20183312.1047.

摘要

由于平面电场的非对称设计和挠曲电效应的存在，导致正负帧作用下透过率不同，目视有很明显的闪烁。本文在396 mm（15.6 in）FHD（1 920×1 080）竖双畴结构的基础上，通过LCD expert软件模拟平面电场显示模式正负帧作用下电压-穿透率（Voltage-Transmittance，

V-T

）曲线，同时，实测了像素电极（pixel-ITO）不同线宽线距产品的残留DC（Direct Current）值/Flrcker数值等，得出较好的实验条件，对今后的像素设计有一定的指导意义。

Abstract

Due to the non-symmetrical design of the plane electric field and the presence of the flexo-electric effect

the transmittance ratio different between the positive and negative frame

and the visible flicker is obvious. In this paper

the Voltage-Transmittance (

V-T

) curves of the plane electric field display mode were simulated by the LCD expert software

based on the 396 mm(15.6 in) FHD (1 920×1 080) vertical double-domain structure. At the same time

the residual Direct Current(DC)values and flicker values of different pixel-ITO widths were measured

and the optimal experimental condition was obtained

which was benifit for the pixel design in future.

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references

关荣华, 李向永.液晶表面物理-挠曲电效应研究及进展[J].物理, 2008, 37(3):517-521.

GUAN R H, LI X Y. Research and development of physical-flexoelectric effect on liquid crystal surface[J]. Physics, 2008, 37(3):517-521. (in Chinese)

HUANG K T, HUNG Y W, FANG R X, et al. Study on minimize the flicker shift phenomenon in positive LC FFS mode LCD panel by optimized pixel design[J]. SiD Symposium Digest of Technical Papers, 2017:142.

佘晓飞, 周井雄, 孔祥建.FFS模式中闪烁漂移的研究[C]//2014中国平板显示学术会议, 江苏南京, 2014. http://www.wanfangdata.com.cn/details/detail.do?_type=conference&id=8440065

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KIM M S, BOS P J, KIM D W, et al. Flexo-electric effect in an in-plane switching(IPS) liquid crystal cell for low-power consumption display devices[J]. Scientific Reports, 2016:35254.

CHEN H W, F L PENG, HU M G, et al. Flexoelectric effect and human eye perception on the image flickering of a LC display[J]. Liquid Crystal, 2015, 42(12):1730-1737.

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