A novel integrated amorphous silicon TFT gate driver circuit with optimized design for TFT-LCD display panel manufacturing

I. Hsiu Lo, Hui Wen Cheng, Yiming Li*, Po Jui Lin, Cheng Han Shen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

In this work, we design and optimize a new amorphous silicon gate (ASG) driver circuit for GOP (gate-on-panel) application in medium size LCD. The circuit is composed of sixteen TFTs and one capacitor with distinct pre-charge nodes and dual low voltage levels. The design of distinct pre-charge nodes is conducive to the decrease of the charge time, and the dual low voltage level will stabilize the output waveform in off-duty periods. Biology-inspired global optimization technique is thus advanced to optimize circuit parameter for further improvement of dynamic characteristics. The optimization not only considers output characteristics but the pre-charge node voltage fluctuation, which may lead serious variation to output waveform when the temperature becomes higher. The results of our design including optimization indicate the achieved circuit performance is apparently better than an original design, where the associated sensitivity analysis is examined to assess the variation of optimized specification. The proposed new design is useful for manufacturing.

Original languageEnglish
Title of host publicationProceedings of the 3rd Asia Symposium on Quality Electronic Design, ASQED 2011
Pages262-265
Number of pages4
DOIs
StatePublished - 2011
Event3rd Asia Symposium on Quality Electronic Design, ASQED 2011 - Kuala Lumpur, Malaysia
Duration: 19 Jul 201120 Jul 2011

Publication series

NameProceedings of the 3rd Asia Symposium on Quality Electronic Design, ASQED 2011

Conference

Conference3rd Asia Symposium on Quality Electronic Design, ASQED 2011
CountryMalaysia
CityKuala Lumpur
Period19/07/1120/07/11

Keywords

  • Design and Implementation
  • Gate Driver Circuit
  • Genetic Algorithm
  • Simulation-Based Optimization
  • Thin-Film Transistor

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