Display device and method of controlling external devices

摘要

A display device (100) includes: a display unit (10); a video processing unit (20) which performs video processing to display a video signal on the display unit (10); a communication unit (30) which communicates with an external device (300) which provides the video signal according to a High Definition Multimedia Interface-Consumer Electronics Control (HDMI-CEC) standard; and a controller (40) which controls the communication unit (30) to transmit a command for the device to perform a series of functions to the external device (300) to be controlled on booting.