International Display Workshops General Incorporated Association

15:40 〜 16:00

[DES2-2] New External Compensated Circuit with Buffer IC for High-Resolution AMOLED Displays

*Feng-Ching Cheng1, Po-Syun Chen1, Chia-Lun Lee 1, Chih-Lung Lin1 (1. National Cheng Kung University (Taiwan))

AMOLED, external compensation, low-temperature polycrystalline silicon thin-film transistor

https://doi.org/10.36463/idw.2019.1517

This work presents a new pixel circuit based on LTPS TFTs compensating for TFT VTH variations and VDD I-R drops for AMOLED displays. The simulated results show that the relative current error rates are less than 4.87% with TFT VTH of ±0.5 V and -0.5 V VDD I-R drops.