DISPLAY DEVICE AND DISPLAY SYSTEM AND DETECTING OUTSIDE DEVICE METHOD THEREOF

摘要

Provided are a display device, a display system, and an external device detecting method thereof. The display device includes a display unit which detects a position of an external device including a near field communication (NFC) device and includes a plurality of NFC tags, a plurality of sensors which sense at least one of current, voltage, and power of an NFC tag enabled by the external device among the NFC tags, and a determination unit which determines a position of an NFC tag adjacent to the external device based on sensing results of the sensors.