A new analog buffer using low-temperature polysilicon thin-film transistors for active-matrix displays

被引：5
|
作者：
Pappas, Ilias [1 ]
Siskos, Stilianos [1 ]
Dimitriadis, Charalambos A. [1 ]
机构：
[1] Aristotle Univ Thessaloniki, Dept Phys, Thessaloniki 54124, Greece
来源：
IEEE TRANSACTIONS ON ELECTRON DEVICES | 2007年 / 54卷 / 02期
关键词：
active-matrix displays (AMDs); analog buffer; polysilicon thin-film transistors (TFTs);
D O I：
10.1109/TED.2006.888720
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a new source-follower-type analog buffer for active-matrix displays, designed by using low-temperature polysilicon thin-film transistors (TFTs), is proposed. The buffer, consisting of five n-type polysilicon TFTs, one bias voltage, and an additional control signal, exhibits high immunity to threshold voltage and mobility variations. The functionality of the proposed buffer was verified by HSPICE simulations. In order to obtain realistic simulations, the TFT model parameters used for the simulations were extracted from fabricated TFTs using the Silvaco tools (ATLAS). The proposed buffer has 7-bit output voltage with the dynamic output voltage range of 7.5 V ranging from 2.5 to 10 V and with resolution up to 0.03 V.
引用
收藏
页码：219 / 224
页数：6
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