Simplified Gate Driver Circuit for High-Resolution and Narrow-Bezel Thin-Film Transistor Liquid Crystal Display Applications

Chih Lung Lin, Fu Hsing Chen, Wun Cing Ciou, Yuan Wei Du, Chia En Wu, Ching En Lee

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A novel gate driver circuit composed of four thin-film transistors (TFTs) and two capacitors is developed. Three-phase overlapping clock signals are used in multifunction input TFT and driving TFT, so the proposed circuit can have a simple structure. The electrical characteristics of a fabricated amorphous-indium-gallium-zinc-oxide TFT are measured to establish the model of HSPICE simulation. Simulated results confirm that the proposed gate driver circuit generates stable gate pulses according to the specification of a 5.46-in full high-definition panel and the single-stage layout area is 400 μ {\rm m\times 126~\mu m. These specifications are favorable for high-resolution and narrow-bezel active-matrix liquid crystal displays.

Original languageEnglish
Article number7137631
Pages (from-to)808-810
Number of pages3
JournalIEEE Electron Device Letters
Volume36
Issue number8
DOIs
Publication statusPublished - 2015 Aug 1

Fingerprint

Thin film transistors
Liquid crystal displays
Networks (circuits)
Zinc Oxide
Specifications
Gallium
Indium
Zinc oxide
Oxide films
Clocks
Capacitors

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Lin, Chih Lung ; Chen, Fu Hsing ; Ciou, Wun Cing ; Du, Yuan Wei ; Wu, Chia En ; Lee, Ching En. / Simplified Gate Driver Circuit for High-Resolution and Narrow-Bezel Thin-Film Transistor Liquid Crystal Display Applications. In: IEEE Electron Device Letters. 2015 ; Vol. 36, No. 8. pp. 808-810.
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Simplified Gate Driver Circuit for High-Resolution and Narrow-Bezel Thin-Film Transistor Liquid Crystal Display Applications. / Lin, Chih Lung; Chen, Fu Hsing; Ciou, Wun Cing; Du, Yuan Wei; Wu, Chia En; Lee, Ching En.

In: IEEE Electron Device Letters, Vol. 36, No. 8, 7137631, 01.08.2015, p. 808-810.

Research output: Contribution to journalArticle

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AB - A novel gate driver circuit composed of four thin-film transistors (TFTs) and two capacitors is developed. Three-phase overlapping clock signals are used in multifunction input TFT and driving TFT, so the proposed circuit can have a simple structure. The electrical characteristics of a fabricated amorphous-indium-gallium-zinc-oxide TFT are measured to establish the model of HSPICE simulation. Simulated results confirm that the proposed gate driver circuit generates stable gate pulses according to the specification of a 5.46-in full high-definition panel and the single-stage layout area is 400 μ {\rm m\times 126~\mu m. These specifications are favorable for high-resolution and narrow-bezel active-matrix liquid crystal displays.

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