New External Compensated Circuit with Buffer IC for High-Resolution AMOLED Displays

Feng-Ching Cheng

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

3:40 PM - 4:00 PM

[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 V_TH variations and V_DD I-R drops for AMOLED displays. The simulated results show that the relative current error rates are less than 4.87% with TFT V_TH of ±0.5 V and -0.5 V V_DD I-R drops.

Proceedings of the International Display Workshops Volume 26 (IDW '19)

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