LI Tian-sheng, XIE Zhen-yu, LI Jing, YAN Chang-jiang, XU Shao-ying, CHEN Xu, MIN Tai-ye. Effect of Active Layer Etch Conditions Improvement on TFT-LCD Quality[J]. , 2013,28(5): 720-725
LI Tian-sheng, XIE Zhen-yu, LI Jing, YAN Chang-jiang, XU Shao-ying, CHEN Xu, MIN Tai-ye. Effect of Active Layer Etch Conditions Improvement on TFT-LCD Quality[J]. , 2013,28(5): 720-725 DOI: 10.3788/YJYXS20132805.0720.
how to improve the quality of display is the main issue we commonly concern about
especially for the defect of black hole which was recently discovered and serious impact on product yield and reduce the quality. The main reasons of black hole were studied. To our surprised
active layer etching process was the main factor not the hole etch process
following with targeted trial design
the active etch condition and additional one step etch process were researched to solve problem. According to the experimental results of the additional one step etch
a solution to enhance product yield of about 3%~4% was found. The electronic parameter measurement was evaluated(
I
on
、
I
off
、
V
th
、Mobility) and compared to the normal conditions without exception. Finally