Driver-circuits-integrated LCDs based on novel amorphous In-Ga-Zn-oxide TFT

— A liquid‐crystal panel integrated with a gate driver and a source driver by using amorphous In—Ga—Zn‐oxide TFTs was designed, prototyped, and evaluated. By using the process of bottom‐gate bottom‐contact (BGBC) TFTs, amorphous In—Ga—Zn‐oxide TFTs with superior characteristics were provided. Furthe...

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Bibliographic Details
Published in:Journal of the Society for Information Display 2010-04, Vol.18 (4), p.271-276
Main Authors: Osada, Takeshi, Akimoto, Kengo, Sato, Takehisa, Ikeda, Masataka, Tsubuku, Masashi, Sakata, Junichiro, Koyama, Jun, Serikawa, Tadashi, Yamazaki, Shunpei
Format: Article
Language:English
Subjects:
active-matrix display
driver
In-Ga-Zn-oxide
LCD
Oxide TFT
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Summary:— A liquid‐crystal panel integrated with a gate driver and a source driver by using amorphous In—Ga—Zn‐oxide TFTs was designed, prototyped, and evaluated. By using the process of bottom‐gate bottom‐contact (BGBC) TFTs, amorphous In—Ga—Zn‐oxide TFTs with superior characteristics were provided. Further, for the first time in the world, a 4‐in. QVGA liquid‐crystal panel integrated with a gate driver and a source driver was developed by using BGBC TFTs formed from an oxide semiconductor. By evaluating the liquid‐crystal panel, its functionality was successfully demonstrate. Based on the findings, it is believed that the novel BGBC amorphous In—Ga—Zn‐oxide TFT will be a promising candidate for future large‐screen backplanes having high definition.
ISSN:1071-0922
1938-3657
DOI:10.1889/JSID18.4.271