38‐4: A 2T1C AMOLED Display with External Compensation Reducing On‐Panel Current Variations to 0.079

38‐4: A 2T1C AMOLED Display with External Compensation Reducing On‐Panel Current Variations to 0.079

This paper presents a new compensation principle using a 2T1C pixel circuit. The implementation shows significant improvement in uniformity for all grey‐levels, due to compensation for both VT and β‐factor variations. The resulting current variation after compensation in the characterized display ar...

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Veröffentlicht in:SID International Symposium Digest of technical papers 2020-08, Vol.51 (1), p.547-550
Hauptverfasser: Verschueren, Lynn, Ameys, Marc, Velazquez Lopez, Mauricio, Smout, Steve, Ke, Tung Huei, Vandenplas, Erwin, Kronemeijer, Auke Jisk, Heremans, Paul, Genoe, Jan, Dehaene, Wim, Myny, Kris
Format: Artikel
Sprache:eng
Schlagworte:
2T1C pixel circuit
Active matrix displays
AMOLED
calibration
Circuits
Compensation
Flexible displays
metal-oxide semiconductors
uniformity
variations
VT-shift
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Beschreibung
Zusammenfassung:This paper presents a new compensation principle using a 2T1C pixel circuit. The implementation shows significant improvement in uniformity for all grey‐levels, due to compensation for both VT and β‐factor variations. The resulting current variation after compensation in the characterized display area reaches values down to 0.079%.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.13926