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Application of amorphous oxide thin film transistor (TFT) to electronic paper is demonstrated. We have fabricated a 4-in. bottom gate amorphous In–Ga–Zn–O (a-IGZO) TFT array and combined it with an electrophoretic frontplane. The resolution of the display is 200ppi and the number of the pixel is 640×480 (QVGA). As far as we know, this is the largest pixel count display which has been driven by oxide...
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