An integrated poly-Si TFT current data driver with a data-line pre-charge function

An integrated poly-Si TFT current data driver with a data-line pre-charge function

— We have developed an integrated poly‐Si TFT current data driver with a data‐line pre‐charge function for active‐matrix organic light‐emitting diode (AMOLED) displays. The current data driver is capable of outputting highly accurate (±0.8%) current determined by 6‐bit digital input data. A novel cu...

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Veröffentlicht in:Journal of the Society for Information Display 2003-09, Vol.11 (3), p.461-466
Hauptverfasser: Shimoda, M., Abe, K., Haga, H., Asada, H., Hayama, H., Iguchi, K., Iga, D., Imura, H., Miyano, S.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
current data driver
current program
Display
Electronics
Exact sciences and technology
Integrated circuits
Integrated circuits by function (including memories and processors)
OLED
pre-charge
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
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Beschreibung
Zusammenfassung:— We have developed an integrated poly‐Si TFT current data driver with a data‐line pre‐charge function for active‐matrix organic light‐emitting diode (AMOLED) displays. The current data driver is capable of outputting highly accurate (±0.8%) current determined by 6‐bit digital input data. A novel current‐programming approach employing a data‐line pre‐charge function helps achieve accurate current programming at low brightness. A 1.9‐in. 120 × 136‐pixel AMOLED display using these circuits was demonstrated.
ISSN:1071-0922
1938-3657
DOI:10.1889/1.1821286