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Browse Journals & Magazines > Electron Device Letters, IEEE ...> Volume:28 Issue:2 Help

A Novel LTPS-TFT Pixel Circuit Compensating for TFT Threshold-Voltage Shift and OLED Degradation for AMOLED

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2 Author(s)
Chih-Lung Lin ; Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan ; Yung-Chih Chen

This letter presents a novel pixel circuit that uses low-temperature polycrystalline-silicon thin-film transistors (LTPS-TFTs) composed of one driving and four switching TFTs for active-matrix organic light-emitting diodes (AMOLEDs) with a voltage-source method. The proposed circuit effectively enables threshold-voltage-shift correction of the drive TFT and compensates for degradation of the OLED using a feedback structure

Published in:
Electron Device Letters, IEEE  (Volume:28 ,  Issue: 2 )

Date of Publication: Feb. 2007

Page(s):
129 - 131
ISSN :
0741-3106
INSPEC Accession Number:
9292459
Digital Object Identifier :
10.1109/LED.2006.889523
Date of Current Version :
22 January 2007
Issue Date :
Feb. 2007
Sponsored by :
IEEE Electron Devices Society

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