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Poly-Si TFT push-pull analogue buffer for integrated data drivers of poly-Si TFT-LCDs

Poly-Si TFT push-pull analogue buffer for integrated data drivers of poly-Si TFT-LCDs

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  • Author(s): Hoon-Ju Chung 1 ; Seung-Woo Lee 2 ; Chul-Hi Han 1
    • View affiliations
    • Affiliations: 1: Department of Electrical Engineering and Computer Science, Division of Electrical Engineering, Korea Advanced Institute of Science and Technology, Taejon, Korea
      2: Department of Electrical Engineering and Computer Science, Division of Electrical Engineering, Samsung Electronics, Yongin-City, Korea
  • Source: Volume 37, Issue 17, 16 August 2001, p. 1093 – 1095
    DOI:  10.1049/el:20010710 , Print ISSN 0013-5194, Online ISSN 1350-911X
© IEE
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A new push-pull analogue buffer for the integrated data driver circuit of polycrystalline silicon (poly-Si) thin-film transistor liquid crystal displays (TFT-LCDs) is proposed. The proposed push-pull analogue buffer is composed of a complementary source follower output stage, a capacitor, and three analogue switches. It has high immunity to the variation of poly-Si TFT characteristics and low power consumption.

Inspec keywords: liquid crystal displays; elemental semiconductors; field effect analogue integrated circuits; silicon; buffer circuits; thin film transistors; driver circuits

Other keywords: TFT characteristics variation immunity; poly-Si TFT-LCDs; low power consumption; poly-Si TFT push-pull analogue buffer; capacitor; analogue switches; polycrystalline silicon thin-film transistor liquid crystal displays; integrated data driver circuit; integrated data drivers; complementary source follower output stage

Subjects: Display equipment and systems; Insulated gate field effect transistors; Other analogue circuits; Liquid crystal devices

References

    1. 1)
      • Lee, Seung-Woo, Chung, Hoon-Ju, Lee, Jin-Woo, Han, C.-H.: `High-performance low-power integrated 8-bit digital data for poly-SiTFT-LCDs', SID'99, 1999, p. 76–79.
    2. 2)
      • Lee, Seung-Woo, Chung, Hoon-Ju, Han, Chul-Hi: `A novel integrated serial digital data driver for poly-Si TFT-LCDs', EuroDisplay'99, 1999, p. 465–468.
    3. 3)
      • Ha, Yong-Min, Jung, Yun-ho, Kim, Byeong-Koo, Kim, Kee-jong, Kim, Jin-Sang, Yoon, Sang-Young, Ahn, Gil-Bum, Choi, Hong-Seok, Soh, Hoe-Sup: `12.1 inch XGA low-temperature poly-Si TFT LCD', Asia Display '98, 1998, p. 947–952.
    4. 4)
      • Sekine, H., Asada, H., Ogawa, Y., Mochinzuki, K., Okumura, R., Kaneko, S.: `Amplifier compensation method for a poly-Si TFT LCLV with an integrateddata driver', Conf. Rec. IDRC, 1997, p. 45–48.
    5. 5)
      • Aoki, Y., Iizuka, T., Sagi, S., Karube, M., Tsunashima, T., Ishizawa, S., Ando, K., Sakurai, H., Ejiri, T., Nakazono, T., Kobayashi, M., Sato, H., Ibaraki, N., Sasaki, M., Harada, N.: `A 10.4-in XGA low-temperature poly-Si TFT-LCD for mobile PC applications', SID'99, 1999, , p. 176–179.
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