Current-Scaling a-Si:H TFT Pixel-Electrode Circuit for AM-OLEDs: Electrical Properties and Stability
- 27 August 2007
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Electron Devices
- Vol. 54 (9), 2403-2410
- https://doi.org/10.1109/ted.2007.902665
Abstract
We fabricated and characterized the hydrogenate amorphous-silicon thin-film transistor (a-Si:H TFT) pixel-electrode circuit with the current-scaling function that can be used for active-matrix organic light-emitting displays (AM-OLEDs). As expected from previously reported simulation results, the fabricated pixel-electrode circuit showed an enhanced current-scaling performance for a high-resolution AM-OLED based on a-Si:H TFTs in comparison to other types of current-driven pixel circuits. It also showed a better electrical and thermal stability for different OLED current levels in comparison to the conventional current-driven pixel-electrode circuit.Keywords
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