Novel analog feedback current programming architecture compatible with 2-transistor 1-capacitor pixel for active matrix organic light-emitting diode displays

Novel analog feedback current programming architecture compatible with 2-transistor 1-capacitor pixel for active matrix organic light-emitting diode displays

A new feedback current programming architecture is described, which is compatible with active matrix organic light‐emitting diode (AMOLED) displays having the 2T1C pixel structure. The new pixel programming approach is compatible with all TFT technologies and can compensate for non‐uniformities in b...

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Veröffentlicht in:Journal of the Society for Information Display 2014-04, Vol.22 (4), p.204-215
Hauptverfasser: Charisoulis, Thomas, Troccoli, Matias N., Frey, Douglas R., Hatalis, Miltiadis K.
Format: Artikel
Sprache:eng
Schlagworte:
2T1C pixel
AMOLED
current feedback
mobility compensation circuit
threshold voltage compensation circuit
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container_issue 4
container_start_page 204
container_title Journal of the Society for Information Display
container_volume 22
creator Charisoulis, Thomas
Troccoli, Matias N.
Frey, Douglas R.
Hatalis, Miltiadis K.
description A new feedback current programming architecture is described, which is compatible with active matrix organic light‐emitting diode (AMOLED) displays having the 2T1C pixel structure. The new pixel programming approach is compatible with all TFT technologies and can compensate for non‐uniformities in both threshold voltage and carrier mobility of the pixel OLED drive TFT. Based on circuit simulations, a pixel drive current of less than 10 nA can be programmed in less than 50 µ. This new approach can be implemented within an AMOLED external or integrated display data driver.
doi_str_mv 10.1002/jsid.240
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source Wiley Online Library Journals Frontfile Complete
subjects 2T1C pixel
AMOLED
current feedback
mobility compensation circuit
threshold voltage compensation circuit
title Novel analog feedback current programming architecture compatible with 2-transistor 1-capacitor pixel for active matrix organic light-emitting diode displays
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