International Display Workshops General Incorporated Association

15:30 〜 15:50

[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.