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This paper presents a new bi-side gate driver integrated by indium-zinc-oxide thin film transistors (IZO TFTs). Our optimized operate method can achieve high speed performance by employing a lower duty ratio (25%) CK2 with its pulse located in the middle of the pulse of CK2L to fully use the bootstrapped high voltage of node Q. In addition, the size of devices is optimized by calculation and simulation,...
This paper presents a low-power and simple scan driver with a new output module called as AC–DC type output module. 46 stages of the scan driver are fabricated by integrating In–Zn–O Thin-film transistors (IZO TFTs) with back channel etch (BCE) structure on the glass substrate. Under 100 hours’ test, it is shown that the voltage fluctuation of the output signal can be well suppressed by the proposed...
This paper presents a new pixel circuit with all-p-type TFTs for AMOLED displays. The proposed pixel circuit can effectively compensate for the threshold-voltage shift of the driving TFT, the degradation of OLED and the parasitic resistance of the power supply line. And thus, the brightness uniformity of AMOLED displays can be enhanced. It is shown that the nonuniformity of the OLED current with an...
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