ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE

An organic light emitting diode display includes a first thin film transistor of which a channel is formed in a polycrystalline transistor, a second thin film transistor of which a channel is formed in an oxide semiconductor layer, an organic light emitting diode electrically connected to the first...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KIM, SANG SUB, CHOI, SANG GUN, CHOI, KI SEOK, SHIN, JI YEONG, LEE, YONG SU, CHA, MYOUNG GEUN
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An organic light emitting diode display includes a first thin film transistor of which a channel is formed in a polycrystalline transistor, a second thin film transistor of which a channel is formed in an oxide semiconductor layer, an organic light emitting diode electrically connected to the first thin film transistor, a storage capacitor having a first electrode and a second electrode, wherein the second electrode of the storage capacitor is electrically connected to a gate electrode of the first thin film transistor, and an overlapping layer overlapping the oxide semiconductor layer in a plan view and receiving a positive voltage. The oxide semiconductor layer is positioned higher than the gate electrode of the first thin film transistor and the second electrode of the storage capacitor.