ELECTRONIC DEVICE
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United States of America Patent
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Issued Date -
Aug 1, 2024
app pub date -
Oct 6, 2023
filing date -
Jan 30, 2023
priority date (Note) -
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Abstract
An electronic device including: a display layer; a sensor layer disposed on the display layer and including first and second electrodes; and a sensor driver to drive the sensor layer and including a signal generation circuit to transmit a transfer signal to the first electrodes, an input detection circuit to receive a sensing signal from the second electrodes, and a sensor control circuit, wherein the input detection circuit is configured to: receive first, second and third sensing signals, and wherein the sensor control circuit includes: a non-ideal element estimator to output a noise signal based on the second sensing signal and the third sensing signal; a calculator to output an output signal by adding or subtracting the first sensing signal and the noise signal; and a converter to output a coordinate signal by converting the output signal into a digital signal.
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