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Browsing by Author "Lee, Hojin"

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    Current-scaling a-Si : H TFT pixel-electrode circuit for AM-OLEDs: Electrical properties and stability
    (2007-09-01)
    Lee, Hojin
    ;
    Lin, Yen-Chung
    ;
    Shieh, Han-Ping D.
    ;
    Kanicki, Jerzy
    ;
    顯示科技研究所
    We fabricated and characterized the hydrogenate amorphous-silicon thin-film transistor (a-Si:H TFT) pixel-electrode circuit with the current-scaling function that can be used for active-matrix organic light-emitting displays (AM-OLEDs). As expected from previously reported simulation results, the fabricated pixel-electrode circuit showed an enhanced current-scaling performance for a high-resolution AM-OLED based on a-Si:H TFTs in comparison to other types of current-driven pixel circuits. It also showed a better electrical and thermal stability for different OLED current levels in comparison to the conventional current-driven pixel-electrode circuit.