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.
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Su et al. (2024) studied this question.
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