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A new current-programmed pixel design for AMOLED displays is presented in this manuscript. The proposed pixel is designed by using organic thin-film transistors and it exhibits high immunity to the threshold voltage variations of the transistors threshold voltage shift, caused by the bias stress and the intrinsic properties of the organic materials. The pixel's main advantages are the fact that it can be designed by using entirely n- type or p-type TFTs meaning that all the organic TFTs technologies can be applied and the small settle time. Therefore, the proposed pixel can be used in high performance displays with high refresh rate.
Date of Conference: 13-16 May 2012