Pixel driving circuit

A pixel driving circuit comprises a light emitting unit, a first switch unit, a second switch unit, a third switch unit, a fourth switch unit, a capacitor and a control circuit. The light emitting unit is coupled to the first operating voltage source. The first switch unit is provided with a first e...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI MINGXIAN, DENG MINGYANG, PENG JIATIAN, LIN JIE'AN, LIN YOUSHENG, LIN ZHILONG, WU JIA'EN, CHEN BAISHU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DISPLAY EDUCATION PHYSICS SEALS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A pixel driving circuit comprises a light emitting unit, a first switch unit, a second switch unit, a third switch unit, a fourth switch unit, a capacitor and a control circuit. The light emitting unit is coupled to the first operating voltage source. The first switch unit is provided with a first end, a second end and a control end, the first end of the first switch unit is coupled with the light-emitting unit, and the second end of the first switch unit is coupled with a second operation voltage source; the second switch unit has a first end and a second end, and the first end of the secondswitch unit is coupled to a second operating voltage source. The third switch unit has a first end, and the first end of the third switch unit is coupled to the second end of the second switch unit. The fourth switch unit is coupled to the control end of the first switch unit. The capacitor is coupled between the control end of the first switch unit and the second end of the second switch unit. The control circuit is used