液晶与显示, 2017, 32 (6): 455, 网络出版: 2017-06-27   

TFT-LCD边角漏光不良机理分析及改善研究

Analysis and improvement of TFT - LCD edge light-leaking mechanism
作者单位
鄂尔多斯市源盛光电有限责任公司, 内蒙古 鄂尔多斯 017000
摘要
目前, 薄膜晶体管型液晶显示器(Thin-Film Technology Liquid Crystal Display, TFT-LCD)已成为显示领域的主流产品, 而液晶面板是TFT-LCD的一个重要组成部分。LCD边缘漏光会导致画面失真, 影响可视效果, 造成画面显示品质下降、良率降低, 因此改善边缘漏光成为急待解决的问题。本文研究了液晶与PI膜层取向异常对边角漏光的影响、LC Pattern设计对边角漏光的影响、Si-Ball型号对边角漏光的影响等, 结果证明LC Pattern设计对边角漏光具有较好的改善效果, Pattern拉伸可改善边角漏光但更易造成液晶穿刺现象, 小滴优化不仅能改善边角漏光而且也能防止液晶穿刺。另外小型Si-Ball对边角漏光改善效果最优, 同时从信赖性验证等方面可以排除较小Si-Ball, 限定出Si-Ball选择范围。
Abstract
At present, Thin Film Transistor Liquid Crystal Display (TFT - LCD, Thin - Film Technology Liquid Crystal Display) has become the mainstream in the field of Display products, and LCD panel is an important component of TFT - LCD. LCD edge light-leaking can cause image distortion, affect the visual effects, resulting in lower quality display screen and yield, thus improving the edge light-leaking become an urgent problem to be solved. This paper studies the influence of the abnormal orientation of liquid crystal and PI film on the edge light-leaking, the influence of LC Pattern design on edge light-leaking, and the influence of the Si - Ball edge light-leaking. The result illustrates the LC Pattern design for edge light-leaking improvement has a good effect, the pattern drawing is more likely to cause LCD puncture phenomenon, the droplet optimization can be relatively better. The effect of small Si - Ball on the edge light-leaking is the best. Meanwhile, we eliminated the smaller silicon ball by reliability verification and found the range of Si-Ball. Excluding small Si-Ball limits the choice of Si-Ball from the reliability of validation and others.

见帅敏, 解洋, 夏高飞, 孙禄标, 孟维欣, 申澈, 郭建. TFT-LCD边角漏光不良机理分析及改善研究[J]. 液晶与显示, 2017, 32(6): 455. JIAN Shuai-min, XIE Yang, XIA Gao-fei, SUN Lu-biao, MENG Wei-xin, SHEN Che, GUO Jian. Analysis and improvement of TFT - LCD edge light-leaking mechanism[J]. Chinese Journal of Liquid Crystals and Displays, 2017, 32(6): 455.

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