Patent ID: 11886662
Assignee: JAPAN DISPLAY INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 1:
2. The sensing device according to claim 1, wherein
each of the plurality of read-out circuits is configured to detect a first sensing signal based on an initial drive signal, a second sensing signal based on a predetermined fixed voltage and a third sensing signal based on a detection drive signal,
the multiple sampling frequencies include at least a first frequency and a second frequency different from the first frequency,
the plurality of read-out circuits includes a first read-out circuit and a second read-out circuit,
the first read-out circuit is configured to output a second sensing signal based on a sampling frequency of the first frequency, and output a third sensing signal based on a sampling frequency of the first frequency,
the second read-out circuit is configured to output a second sensing signal based on a sampling frequency of the second frequency, and output a third sensing signal based on a sampling frequency of the first frequency, and
the arithmetic circuit is configured to calculate the amount of noise using the second sensing signal and the third sensing signal output from the first read-out circuit and the second sensing signal and the third sensing signal output from the second read-out circuit.