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- Title
P.21: High Input Impedance Active Pixel Sensing Circuit with Threshold Voltage Compensation Implemented by Dual-Gate IGZO TFTs.
- Authors
Chou, Lu-Sheng; Chang, Chia-Hung; Chen, Hua-Mao; Tai, Ya-Hsiang
- Abstract
The dual-gate TFT is biased at a preset status and store the threshold voltage information on the second gate. The reset TFT connecting to the sensing node can be omitted, and the high input impedance can be achieved. With this sensing circuit, the minimal charge can be sensitively amplified.
- Subjects
THIN film transistors; THRESHOLD voltage; THIN film devices; DETECTOR circuits; ELECTRIC impedance
- Publication
SID Symposium Digest of Technical Papers, 2013, Vol 44, Issue 1, p1059
- ISSN
0097-966X
- Publication type
Other
- DOI
10.1002/j.2168-0159.2013.tb06406.x