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

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 enab...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	IEEE electron device letters 2007-02, Vol.28 (2), p.129-131
Hauptverfasser:	LIN, Chih-Lung, CHEN, Yung-Chih
Format:	Artikel
Sprache:	eng
Schlagworte:	Active matrix organic light emitting diodes Active-matrix organic light-emitting diode (AMOLED) Anodes Applied sciences Circuits Degradation Devices Display Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Feedback circuits Light-emitting diodes low-temperature polycrystalline-silicon thin-film transistors (LTPS-TFTs) Optical feedback Optoelectronic devices Organic light emitting diodes Pixels Semiconductor devices Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Switches Switching Switching circuits Thermal degradation Thin film transistors Threshold voltage Transistors
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	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
ISSN:	0741-3106 1558-0563
DOI:	10.1109/LED.2006.889523