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Development of IGZO TFTs and Their Applications to Next-Generation Flat-Panel Displays  

Hsieh, Hsing-Hung (OLED Technology Div., AU Optronics Corp.)
Lu, Hsiung-Hsing (OLED Technology Div., AU Optronics Corp.)
Ting, Hung-Che (OLED Technology Div., AU Optronics Corp.)
Chuang, Ching-Sang (OLED Technology Div., AU Optronics Corp.)
Chen, Chia-Yu (OLED Technology Div., AU Optronics Corp.)
Lin, Yusin (OLED Technology Div., AU Optronics Corp.)
Publication Information
Journal of Information Display / v.11, no.4, 2010 , pp. 160-164 More about this Journal
Abstract
Organic light-emitting devices (OLEDs) have shown superior characteristics and are expected to dominate the nextgeneration flat-panel displays. Active-matrix organic light-emitting diode (AMOLED) displays, however, have stringent demands on the performance of the backplane. In this paper, the development of thin-film transistors (TFTs) based on indium gallium zinc oxide (IGZO) on both Gen 1 and 6 glasses, and their decent characteristics, which meet the AMOLED requirements, are shown. Further, several display prototypes (e.g., 2.4" AMOLED, 2.4" transparent AMOLED, and 32" AMLCD) using IGZO TFTs are demonstrated to confirm that they can indeed be strong candidates for the next-generation TFT technology not only of AMOLED but also of AMLCD (active-matrix liquid crystal display).
Keywords
oxide TFT; IGZO; AMOLED; transparent display; AMLCD;
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