On-Panel Output Buffer With Offset Compensation Technique for Data Driver in LTPS Technology
Journal of Display Technology, Vol. 2, Issue 2, pp. 153-159 (2006)
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Abstract
To overcome the offset voltage (VOS) of output buffer due to large variation on characteristics of thin-film transistor (TFT) in low-temperature polysilicon (LTPS) technology, a class-B output buffer with offset compensation circuit for the data driver is presented in this paper. This proposed class-B output buffer can operate at 50-kHz operation frequency with a 2-8-V output swing for extended graphic array (XGA) application, and it has been demonstrated in 3-µm LTPS technology. Using the offset compensation technique, the VOS of output buffer can be controlled within ±100 mV under 2-to-8 V signal operation to achieve a high resolution and quality liquid crystal display (LCD) panel.
© 2006 IEEE
Citation
Ming-Dou Ker, Chih-Kang Deng, and Ju-Lin Huang, "On-Panel Output Buffer With Offset Compensation Technique for Data Driver in LTPS Technology," J. Display Technol. 2, 153-159 (2006)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-2-2-153
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