On-panel output buffer with offset compensation technique for data driver in LTPS technology

Ming-Dou Ker; Chih Kang Deng; Ju Lin Huang

doi:10.1109/JDT.2006.874510

On-panel output buffer with offset compensation technique for data driver in LTPS technology

Ming-Dou Ker^*, Chih Kang Deng, Ju Lin Huang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

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.

Original language	English
Pages (from-to)	153-158
Number of pages	6
Journal	IEEE/OSA Journal of Display Technology
Volume	2
Issue number	2
DOIs	https://doi.org/10.1109/JDT.2006.874510
State	Published - 1 Jun 2006

Keywords

Low-temperature polycrystalline silicon (LTPS)
Offset compensation
Output buffer
Thin-film transistor (TFT)

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10.1109/JDT.2006.874510

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title = "On-panel output buffer with offset compensation technique for data driver in LTPS technology",

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.",

keywords = "Low-temperature polycrystalline silicon (LTPS), Offset compensation, Output buffer, Thin-film transistor (TFT)",

author = "Ming-Dou Ker and Deng, {Chih Kang} and Huang, {Ju Lin}",

year = "2006",

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doi = "10.1109/JDT.2006.874510",

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T1 - On-panel output buffer with offset compensation technique for data driver in LTPS technology

AU - Ker, Ming-Dou

AU - Deng, Chih Kang

AU - Huang, Ju Lin

PY - 2006/6/1

Y1 - 2006/6/1

N2 - 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.

AB - 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.

KW - Low-temperature polycrystalline silicon (LTPS)

KW - Offset compensation

KW - Output buffer

KW - Thin-film transistor (TFT)

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JO - IEEE/OSA Journal of Display Technology

JF - IEEE/OSA Journal of Display Technology

IS - 2

ER -

On-panel output buffer with offset compensation technique for data driver in LTPS technology

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