DocumentCode
1316016
Title
Low-power and small-area scan driver using depletion-mode a-IGZO TFTs for ultra-high-resolution displays
Author
Jin-Seong Kang ; Oh-Kyong Kwon
Author_Institution
Dept. of Electron. Eng., Hanyang Univ., Seoul, South Korea
Volume
48
Issue
20
fYear
2012
Firstpage
1268
Lastpage
1269
Abstract
A low-power and small-area scan driver using depletion-mode amorphous-InGaZnO (a-IGZO) thin-film transistors (TFTs) is proposed for 10-inch quadruple extended graphics array (QXGA, 2048 × 1536) panels. The proposed scan driver is realised in a small area using 11 TFTs and improves power consumption by removing short circuit current. Measured results show that the power consumption of the proposed scan driver with 10 stages is 710 μW at the scan frequency of 92.2 kHz and the output voltage swing of 20 V.
Keywords
display devices; gallium compounds; indium compounds; low-power electronics; power consumption; thin film transistors; zinc compounds; InGaZnO; QXGA; amorphous thin-film transistors; depletion-mode TFT; frequency 92.2 kHz; low-power scan driver; power 710 muW; power consumption improvement; quadruple extended graphics array panels; short circuit current removal; size 10 inch; small-area scan driver; ultra-high-resolution displays; voltage 20 V;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el.2012.2396
Filename
6329562
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