TFT-LCD画面闪烁影响因子及定量分析方法

朱海鹏; 吴海龙; 但艺; 冉敏; 周欢; 付剑波; 周焱; 闵泰烨

doi:10.3788/YJYXS20193412.1172

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TFT-LCD画面闪烁影响因子及定量分析方法

材料与器件 | 更新时间：2020-07-16

- TFT-LCD画面闪烁影响因子及定量分析方法
- TFT-LCD flicker influence factors and quantitative analysis method
- 液晶与显示 2019年34卷第12期页码：1172-1181
- 作者机构：
  
  京东方科技集团股份有限公司重庆京东方光电科技有限公司, 重庆 400700
- 作者简介：
  
  [ "朱海鹏(1989—), 男, 河南新乡人, 硕士, 高级工程师, 2015年于重庆大学获得硕士学位, 主要从事TFT-LCD面板产品评价相关工作。E-mail:zhuhaipeng@boe.com.cn" ]
- 基金信息：
- DOI：10.3788/YJYXS20193412.1172
  中图分类号： TN873.93
- 收稿日期：2019-08-07，
  
  录用日期：2019-9-18，
  
  纸质出版日期：2019-12-05
- 稿件说明：
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朱海鹏, 吴海龙, 但艺, 等. TFT-LCD画面闪烁影响因子及定量分析方法[J]. 液晶与显示, 2019,34(12):1172-1181.

Hai-peng ZHU, Hai-long WU, Yi DAN, et al. TFT-LCD flicker influence factors and quantitative analysis method[J]. Chinese journal of liquid crystals and displays, 2019, 34(12): 1172-1181.
朱海鹏, 吴海龙, 但艺, 等. TFT-LCD画面闪烁影响因子及定量分析方法[J]. 液晶与显示, 2019,34(12):1172-1181. DOI： 10.3788/YJYXS20193412.1172.

Hai-peng ZHU, Hai-long WU, Yi DAN, et al. TFT-LCD flicker influence factors and quantitative analysis method[J]. Chinese journal of liquid crystals and displays, 2019, 34(12): 1172-1181. DOI： 10.3788/YJYXS20193412.1172.

摘要

画面闪烁（Flicker）是TFT-LCD画面品质评价的重要指标。文章基于Δ

及闪烁发生机理，通过一系列实验，首先研究了

com

对闪烁的影响，结果表明

com

对闪烁具有显著影响；随着闪烁灰阶升高，最佳闪烁呈逐渐减小趋势，常白模式产品最佳闪烁对应

com

逐渐减小，而常黑模式产品最佳闪烁对应

com

逐渐增加。其次，研究了

、

对闪烁影响，结果表明

、

变化对闪烁均有显著影响；同一闪烁灰阶，

增加不会影响最佳闪烁，但对应

com

逐渐减小，而

增加最佳闪烁逐渐减小，但对应

com

逐渐增加。最后，提出一种可以预测不同灰阶闪烁水平的定量分析方法，通过该方法计算得到的闪烁水平与VESA标准下FMA测试法所得的闪烁值趋势一致，常白模式和常黑模式产品线性相关系数均达0.95以上，证明该方法可以用来预测不同灰阶闪烁水平。这些研究对改善TFT-LCD闪烁问题提供了分析方法和解决思路。

Abstract

Flicker is an important index of TFT-LCD image quality evaluation. Based on the mechanism of Δ

and flicker

the influence of

com

on flicker is studied

and the experiment results show that

com

has a significant impact on flicker. With the increase of flicker gray level

the optimum flicker tends to decrease gradually and its corresponding

com

for TN mode products decreases gradually

while ADS mode products increases gradually. Secondly

the article studied The impact of

and

on flicker is stadied

the results indicate that

and

have important impact on flicker. When flicker gray level is invariable

the

increase will not affect the optimal flicker

but the corresponding

com

decreases gradually. While the

increase the optimal flicker decreases gradually

but the corresponding V

com

increases gradually. A quantitative analysis method is proposed for predicting flicker scales of different gray level and proved that it can be used to predict the flicker scale of different gray level

because the calculated flicker is consistent with measurement flicker value by FMA test method under VESA standard

and the linear correlation coefficients are above 0.95 for both TN mode and ADS mode products. These studies provide analytical methods and solutions for improving TFT-LCD flicker problem.

关键词

Keywords

references

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