The 26th International Display Workshops (IDW '19)

講演情報

Oral Presentation

[DES2] Driving Technology

2019年11月27日(水) 15:20 〜 16:40 Room 207 (2F)

Chair: Chih-Wen Lu (Nat. Tsing Hua Univ.)
Co-Chair: Keiichi Nakajima (Tianma Japan)

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))

キーワード:AMOLED, external compensation, low-temperature polycrystalline silicon thin-film transistor

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.