Abstract: A display device of the disclosure includes a panel including pixels, and first sensors and second sensors overlapping the pixels, and a circuit board. The circuit board includes a first sensor pad electrically connected to a respective first sensor, a second sensor pad electrically connected to a respective second sensor, and a data pad electrically connected to respective pixels, a sensor driver, a first sensor line having one end connected to the first sensor pad and another end connected to the sensor driver, a second sensor line having one end connected to the second sensor pad and another end connected to the sensor driver, a data extension line having one end connected to the data pad, and a first decoupling capacitor connected to the first sensor line disposed between the sensor driver and a first point where the first sensor line and the data extension line cross.