Influence and improvement of After-Rubbing-Cleaner on Zara

Guan-chao LI; Feng-bo XU; Kun LIU; Shui SHEN; Xiao-qiang ZENG; Wei LI

doi:10.3788/YJYXS20203504.0328

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Influence and improvement of After-Rubbing-Cleaner on Zara

Materials and Devices | 更新时间：2020-07-05

- Influence and improvement of After-Rubbing-Cleaner on Zara
- Chinese Journal of Liquid Crystals and Displays Vol. 35, Issue 4, Pages: 328-333(2020)
- 作者机构：
  
  北京京东方显示技术有限公司, 北京 100176
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20203504.0328
  CLC： TN27
- Received：12 September 2019，
  
  Revised：18 November 2019，
  
  Accepted：18 November 2019，
  
  Published：05 April 2020
- 稿件说明：
移动端阅览
Guan-chao LI, Feng-bo XU, Kun LIU, et al. Influence and improvement of After-Rubbing-Cleaner on Zara[J]. Chinese journal of liquid crystals and displays, 2020, 35(4): 328-333.
DOI：

Guan-chao LI, Feng-bo XU, Kun LIU, et al. Influence and improvement of After-Rubbing-Cleaner on Zara[J]. Chinese journal of liquid crystals and displays, 2020, 35(4): 328-333. DOI： 10.3788/YJYXS20203504.0328.

摘要

在液晶显示面板行业，边缘场开关技术在生产过程中易导致Zara不良的高发，降低产品良率，导致生产成本增加。Zara不良根据点灯现象可以分为散状Zara、团状Zara、辉点数和未确认面板污渍类4类。经大量取屏分析，发现Zara不良与摩擦后清洗机的内部洁净度和清洗能力有较大关联。本文从过滤器滤径减小、KOH流程优化、直供水改造、腔室污染降低等方面进行了改善研究，通过机理分析和大量试验验证，将Zara不良由0.74%改善至0.24%，验证了提升摩擦后清洗机洁净度对Zara不良改善有重要作用，同时也取得了良好的经济效益：年收益1 338万元。

Abstract

In the TFT-LCD industry

Fringe Field Switching(FFS)technology in the production process is easy to lead to the high incidence of Zara

reduces the product yield and increases the production cost. According to the phenomenon of lighting

the defects of Zara can be divided into four categories:scattered Zara

clustered Zara

bright spots and unconfirmed bad stains of panel. Through a large number of screen analysis

it is found that Zara is closely related to the internal cleanliness and cleaning capacity of After-Rubbing-Cleaner. This paper studies the improvement of filter diameter reduction

KOH process optimization

direct water supply transformation

chamber pollution reduction and so on. Through mechanism analysis and a large number of tests

Zara is improved from 0.74% to 0.24%. It is verified that the cleaning degree of After-Rubbing-Cleaner is important to improve Zara. At the same time

good economic benefits are obtained:the annual income is 13.38 million yuan.

关键词

Keywords

references

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