Parallel Addressing Scheme for Voltage-Programmed Active-Matrix OLED Displays

Parallel Addressing Scheme for Voltage-Programmed Active-Matrix OLED Displays

This paper presents a novel parallel addressing scheme for voltage-programmed active-matrix organic light-emitting diode (OLED) displays which provides high precision recovery of the threshold voltage shift. As a result, the uniformity over the panel is significantly improved. In addition, a new pix...

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Veröffentlicht in:IEEE transactions on electron devices 2007-05, Vol.54 (5), p.1095-1100
Hauptverfasser: Chaji, G.R., Nathan, A.
Format: Artikel
Sprache:eng
Schlagworte:
Active-matrix organic light-emitting diode (AMOLED)
Addressing schemes
Applied sciences
Devices
Display
Displays
Electronics
Exact sciences and technology
hydrogenated amorphous silicon (a-Si:H)
Light-emitting diodes
Luminance
Optoelectronic devices
Panels
Pixels
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
thin-film transistor (TFT)
threshold voltage shift ( V_{T} shift)
Transistors
Variability
voltage-programmed pixel circuit (VPPC)
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Zusammenfassung:This paper presents a novel parallel addressing scheme for voltage-programmed active-matrix organic light-emitting diode (OLED) displays which provides high precision recovery of the threshold voltage shift. As a result, the uniformity over the panel is significantly improved. In addition, a new pixel circuit is presented that is capable of providing a predictably higher current as the pixel ages, so as to compensate for the OLED luminance degradation
ISSN:0018-9383
1557-9646
DOI:10.1109/TED.2007.894608