Display device and method for operating same
AssigneeLG Electronics Inc.
InventorJinyoung CHOI
Life of this patent
Estimating the term…
Abstract
A display device according to an embodiment of the present invention can comprise: a display unit; an external device interface unit for exchanging information with a set-top box; and a control unit which receives set-top box information from the set-top box by means of the external device interface unit, determines whether or not a high definition multimedia interface-consumer electronics control (HDMI-CEC) function is turned on on the basis of the received set-top box information, and automatically turns on an HDMI-CEC function of the display device if the HDMI-CEC function is turned on.
Claims21
1-15. (canceled)
A display device comprising:
- a display;
- an external device interface;
- and
- a controller configured to:
- connect with a set-top box through the external device interface,
- transmit display device information to the set-top box through the external device interface, wherein the display device information indicates that a High Definition Multimedia Interface-Consumer Electronics Control (HDMI-CEC) function of the display device is turned off,
- receive set-top box information from the set-top box through the external device interface, wherein the set-top box information includes a CEC field indicating whether a HDMI-CEC function of the set-top box is turned on or off,
- in response to the CEC field indicating the HDMI-CEC function of the set-top box is turned on, turn on the HDMI-CEC function of the display device, and
- in response to the CEC field indicating the HDMI-CEC function of the set-top box is turned off, maintain the HDMI-CEC function of the display device to be turned off.
A method of operating a display device, the method comprising:
- connecting with a set-top box through an external device interface of the display device;
- transmitting, via a controller of the display device, display device information to the set-top box through the external device interface, wherein the display device information indicates that a High Definition Multimedia Interface-Consumer Electronics Control (HDMI-CEC) function of the display device is turned off;
- receiving, via the controller, set-top box information from the set-top box through the external device interface, wherein the set-top box information includes a CEC field indicating whether a HDMI-CEC function of the set-top box is turned on or off;
- in response to the CEC field indicating the HDMI-CEC function of the set-top box is turned on, turning on, via the controller, the HDMI-CEC function of the display device;
- and
- in response to the CEC field indicating the HDMI-CEC function of the set-top box is turned off, maintaining, via the controller, the HDMI-CEC function of the display device to be turned off.
Dependencies are inferred from the claim text.