A TFT-LCD Simulation Method Using Pixel Macro Models

概要

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The full liquid crystal display (LCD) simulation with real transistors and other active components is unrealistic. Because a flat panel display (FPD) includes thin-film-transistors(TFT's) whose number is, at least, the number of total pixels. It hits the simulation limit of SPICE if the number of transistors are more than 0.5 million. This paper demonstrates a new, fast, and effective simulation method for a full LCD panel. The method makes it possible to simulate large LCD panels whereas the conventional method cannot handle. The simulation circuit consists of a-Si TFT model presented earlier [1], the liquid crystal [1], the pixel macro models, and interconnects. We show the model parameter extraction and the pixel macro modeling process associated with the simulation results. Using the simulation method presented here some larger LCD panels can be accurately simulated in less than a minute on a workstation.
社団法人電子情報通信学会の論文
1999-06-25