Abstract
We report on the fabrication of organic-based flexible displays using an amorphous IZO anode grown at room temperature. The IZO anode films were grown by a conventional DC reactive sputtering on the polycarbonate (PC) substrate at room temperature using a synthesized IZO target in a <TEX>$Ar/O_2$</TEX> ambient. Both x-ray diffraction (XRD) and high resolution electron microscope (HREM) examination results show that the IZO anode film grown at room temperature Is complete amorphous structure due to low substrate temperature. A sheet resistance of <TEX>$35.6\Omega/\Box$</TEX>, average transmittance above 90 % in visible range, and root mean spare roughness of <TEX>$6\sim10.5\AA$</TEX> were obtained even in the IZO anode film grown on PC substrate at room temperature. It is shown that the <TEX>$Ir(ppy)_3$</TEX> doped flexible organic light emitting diode (OLED) fabricated on the IZO anode exhibit comparable current-voltage-luminance characteristics as well as external quantum efficiency and power efficiency to OLED fabricated on conventional ITO/Glass substrate. These findings indicate that the IZO anode film grown on PC substrate is a promising anode materials for the fabrication of organic based flexible displays.
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