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A new pixel circuit for active matrix organic light emitting diodes

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4 Author(s)
Joon-Chul Goh ; Dept. of Electr. Eng. & Comput. Sci., Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea ; Hoon-Ju Chung ; Jin Jang ; Chul-Hi Han

We propose a new thin-film-transistor (TFT) pixel circuit for active-matrix organic light-emitting diode (AMOLED) composed of four TFTs and two capacitors. The simulation results, based on the device performances measured for an OLED and a poly-Si TFT, indicate that the proposed circuit has high immunity to the variation of poly-Si TFT characteristics.

Published in:

IEEE Electron Device Letters  (Volume:23 ,  Issue: 9 )