CUED Publications database

Unified circuit model for the polysilicon thin film transistor

Izzard, MJ and Migliorato, P and Milne, WI (1991) Unified circuit model for the polysilicon thin film transistor. Japanese Journal of Applied Physics, Part 2: Letters, 30. L170-L171. ISSN 0021-4922

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Abstract

This paper describes a unified approach to modelling the polysilicon thin film transistor (TFT) for the purposes of circuit design. The approach uses accurate methods of predicting the channel conductance and then fitting the resulting data with a polynomial. Two methods are proposed to find the channel conductance: a device model and measurement. The approach is suitable because the TFT does not have a well defined threshold voltage. The polynomial conductance is then integrated generally to find the drain current and channel charge, necessary for a complete circuit model.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:11
Last Modified: 18 Dec 2014 19:02
DOI: