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| Title | Stability analysis of current programmed a-Si:H AMOLED pixel circuits |
| Publication Type | Journal Article |
| Year of Publication | 2004 |
| Authors | Sakariya, K., P. Servati, and A. Nathan |
| Journal | Electron Devices, IEEE Transactions on |
| Volume | 51 |
| Pagination | 2019 - 2025 |
| Date Published | dec. |
| ISSN | 0018-9383 |
| Keywords | active matrix, amorphous semiconductors, amorphous silicon, bias nonidealities, brightness degradation characteristics, current programmed AMOLED pixel circuits, elemental semiconductors, organic light emitting diodes, organic light-emitting diode, pixel drive current stability, self-compensating current mirror-based pixel circuits, Si:H, silicon, stability analysis, thin film transistor, thin film transistors, threshold voltage shift |
| Abstract | In this paper, we present self-compensating current mirror-based pixel circuits, and analyze basic stability issues to provide a deeper understanding of circuit operation, and the impact of thin film transistor bias nonidealities, which can lead to the long-term (and gradual) instabilities in pixel drive current. The analysis also provides the circuit designer a means to tailor the pixel drive current stability to the long-term brightness degradation characteristics of the organic light-emitting diode. |
| URL | http://dx.doi.org/10.1109/TED.2004.838452 |
| DOI | 10.1109/TED.2004.838452 |