Patent ID: 11941187
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 10:
11. An electronic device comprising:
a display layer;
a sensor layer disposed on the display layer, and comprising first electrodes and second electrodes; and
a touch driver configured to drive the sensor layer,
wherein, when an input device provides an output signal based on an electromagnetic resonance method and the input device approaches the sensor layer, an induced current flows in at least one electrode among the first electrodes and the second electrodes, and
wherein the touch driver generates a voltage signal based on the induced current,
wherein the touch driver comprises:
a charge amplifier, wherein a first input of the charge amplifier is electrically connected to the at least one electrode; and
a capacitor connected to the first input of the charge amplifier and an output of the charge amplifier, and wherein the capacitor receives the induced current and outputs the voltage signal based on the induced current.