33‐2: In‐Display Temperature Sensor based on Dual‐Gate Thin‐film Transistors

In‐display temperature has a significant impact on the lifespan of flat‐panel displays. measuring and monitoring temperature distribution and variation in the display panel during operation is therefore crucial. This report proposes a differential temperature sensing circuit based on dual‐gate TFTs...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2024-04, Vol.55 (S1), p.271-274
Main Authors: Su, Qiyi, Xu, Yitong, Liu, Xinghui, Ming, Fangfei, Wang, Kai
Format: Article
Language:English
Subjects:
Backplanes
Dual‐gate thin film transistor
In‐display sensor
Semiconductor devices
Temperature distribution
Temperature sensor
Temperature sensors
Thin film transistors
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Summary:In‐display temperature has a significant impact on the lifespan of flat‐panel displays. measuring and monitoring temperature distribution and variation in the display panel during operation is therefore crucial. This report proposes a differential temperature sensing circuit based on dual‐gate TFTs with a sensitivity of ‐ 17mV/℃，and a wide temperature range from 20℃ to 100℃. The circuit fabrication is fully compatible with TFT backplane process, making it promising for in‐panel temperature sensors.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.17056