Improvement of press light-leakage in ADS TFT-LCD joint production

Ji-wei GUI; Liang HU; Li-jie LI; Xing-kun HONG; Tian-song Dong; Yang LIU; Ting ZHANG; Xue-zheng NIE; Wei-wei WANG

doi:10.37188/YJYXS20203508.0808

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Improvement of press light-leakage in ADS TFT-LCD joint production

Materials and Devices | 更新时间：2020-08-11

- Improvement of press light-leakage in ADS TFT-LCD joint production
- Chinese Journal of Liquid Crystals and Displays Vol. 35, Issue 8, Pages: 808-815(2020)
- 作者机构：
  
  福州京东方光电科技有限公司, 福建福州 350000
- 作者简介：
- 基金信息：
- DOI：10.37188/YJYXS20203508.0808
  CLC： TP394.1;TN141.9
- Received：26 November 2019，
  
  Revised：08 February 2020，
  
  Accepted：08 February 2020，
  
  Published：2020-08
- 稿件说明：
移动端阅览
Ji-wei GUI, Liang HU, Li-jie LI, et al. Improvement of press light-leakage in ADS TFT-LCD joint production[J]. Chinese journal of liquid crystals and displays, 2020, 35(8): 808-815.
DOI：

Ji-wei GUI, Liang HU, Li-jie LI, et al. Improvement of press light-leakage in ADS TFT-LCD joint production[J]. Chinese journal of liquid crystals and displays, 2020, 35(8): 808-815. DOI： 10.37188/YJYXS20203508.0808.

摘要

按压漏光是发生在ADS TFT-LCD贴合产品上的一种漏光不良，本文对8.5G工厂1 225 mm（55 in）产品按压漏光的发生原因进行分析，发现漏光为玻璃基板固定位置受外部应力作用形变导致。同时分析了辅助封框胶排布、封框胶固化前外部应力对基板的影响等。通过改变翻转台运动方式，能有效改善按压漏光发生程度，按压漏光发生等级由Level 2（L2，客户不接受等级）下降至Level 1（L1，客户接受等级）。该方法的首次导入，为后续其他产品漏光的解决提供了思路。

Abstract

Press light-leakage was a defect in the joint production of ADS TFT-LCD. In this paper

the causes of press light-leakage in 1 225 mm(55 in) product based on 8.5G factory are analyzed. It is found that the light-leakage of fixed position is caused by external stress deformation. At the same time

the influence of the pattern of sealant on glass

and the stress of glass before sealant cured are studied. The defect is effectively improved by changing the motion mode of turn-over

the light-leakage level dropped from the second leve 2(L2

the phenomenon of customers don't accept) to the first level(L1

the phenomenon of customers accept). In addition

the method is implemented for the first time

and provides an idea for solving lisht-leakage for other products.

关键词

Keywords

references

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