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2.1: Invited Paper: 16.9‐Inch Flexible AMOLED Display with High Performance Top Gate Oxide TFT
Author(s) -
Hsu YuanJun,
Lin Zhenguo,
Lu Yihong,
Han BaiXiang,
Cao Weiran,
Wu Yuan-chun,
Zhang Xin
Publication year - 2021
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.15016
Subject(s) - backplane , amoled , oled , thin film transistor , materials science , bend radius , optoelectronics , flexible display , radius of curvature , nand gate , bending , substrate (aquarium) , electronic circuit , curvature , logic gate , electrical engineering , computer science , computer hardware , nanotechnology , engineering , active matrix , composite material , layer (electronics) , mathematics , mean curvature , oceanography , mean curvature flow , geometry , geology
We have fabricated top‐gate IGZO TFTs on PI substrate, which exhibit excellent electrical properties and high mechanical reliabilities to meet the demand for large area flexible display. The ΔVth under PBTS and NBTIS for 10 hours are only +0.26 V and −0.34 V, respectively. The mechanical bending properties of the TFT backplane is investigated. There are almost no change after 200,000 bending cycle test at a curvature radius of 20mm. To improve flexible capability and reduce cost of flexible OLED display, integrated gate driver on array (GOA) circuits with spilt channel structure has been investigated. Finally, we successfully realize 16.9‐inch rollable OLED display with high performance top gate IGZO TFT and GOA circuits