International Display Workshops General Incorporated Association

Proceedings of the International Display Workshops Volume 28 (IDW '21)

Proceedings of the International Display Workshops Volume 28 (IDW '21)

Dec 1, 2021 - Dec 3, 2021
Virtual Conference

3:30 PM - 3:50 PM

[AMD2-3] Internal Compensation by Offset Method for QHD OLED Display Using High Mobility Oxide TFT

*Yong Ho Jang1, Kwang Il Chun1, Younghyun Ko1, Uyhyun Choi1, Min-Gu Kang1, Hyung Joon Koo1, Seung Chan Choi1, Dae Hwan Kim1, Jiyong Noh1, Kwon-shik Park1, JeomJae Kim1, SooYoung Yoon1 (1.LG Display (Korea))

internal compensation, offset method, QHD OLED, high mobility, Oxide TFT

https://doi.org/10.36463/idw.2021.0139

A new internal compensation method for OLED display with high mobility oxide TFT is presented. The offset method can preemptively eliminate Vth-dependent voltage errors, ameliorating the mismatches after-sensing step. Fabricated 5.5-in. QHD OLED displays show improved uniformity.