12‐4: Late-News Paper: Reliability Improvement of IGZO and LTPS Hybrid TFTs Array Technology
SID Symposium Digest of Technical Papers2018Vol. 49(1), pp. 128–131
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Jia-Hong Ye, Ching-Liang Huang, Mingyao Chen, Hao-Zhi Hong, Luo JuChun, Kuo‐Yu Huang, Chia‐Tien Peng, Maw‐Song Chen, Weimin Huang, Yang-An Wu
Abstract
We report fabrication processes of indium gallium zinc oxide (IGZO) and low temperature poly silicon (LTPS) hybrid TFTs array technology. And the SiOx/IGZO interface quality modification and the performance of different thickness of active layer of IGZO device has been investigated by positive gate bias temperature stress method. The optimum processes conditions have been used on the 1.4” inch circular LCD to improve and pass operation tests of high temperature operation (HTO) 274hrs and temperature‐humidity‐bias (THB) 462 hrs to reach mass production phase.
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