Display device and control method therefor

1. A display device, comprising:

a display;

a transmitter configured to transmit an infrared (IR) signal; and

one or more processors configured to:

divide the display into respective areas based on a command to display a multi-screen,

control the display to display, as the multi-screen, a plurality of images in respective areas of the display, based on a plurality of image signals received from a plurality of source devices, each of the plurality of source devices using a same IR protocol,

control the display to display an indicator selectively indicating one of the displayed plurality of images according to a first user command, while controlling the display to display the plurality of images in the respective areas of the display,

receive a second user command indicating selection of a first image from among the displayed plurality of images while controlling the display to display the plurality of images in the respective areas of the display and the indicator selectively indicating the first image, and identify a first source device which provides the first image, from among the plurality of source devices,

perform a process for selectively controlling the first source device, and turning-off an IR function of at least one second source device from among the plurality of source devices, and

transmit an IR signal for selectively controlling the first source device through the transmitter while controlling the display to display the plurality of images in the respective areas of the display.

2. The display device of claim 1 , further comprising a plurality of interfaces,

wherein the plurality of interfaces and the plurality of source devices are connected through a plurality of high definition multimedia interface (HDMI) cables, and

wherein the one or more processors is further configured to transmit a signal through a consumer electronics control (CEC) line of at least one of the plurality of HDMI cables to control the IR function of the at least one second source device to be turned off.

3. The display device of claim 2 , wherein the one or more processors is further configured to transmit the signal based on a CEC slave address of the at least one second source device.

4. The display device of claim 1 , further comprising an interface connected with an Ethernet hub configured to communicate with the plurality of source devices,

wherein the one or more processors is further configured to transmit a signal to the Ethernet hub to control the IR function of the at least one second source device to be turned off while continuing to display at least one second image provided by the at least one second source device.

5. The display device of claim 4 , wherein the one or more processors is further configured to transmit the signal based on any one or any combination of a media access control (MAC) address and an internet protocol (IP) address of the at least one second source device.

6. The display device of claim 1 , wherein the transmitter comprises a first transmitter connected to a first switch and a second transmitter connected to a second switch, and

wherein the one or more processors is further configured to, based on the second user command:

turn-on the first switch;

turn-off the second switch; and

transmit the IR signal for controlling the first source device through the first transmitter.

7. The display device of claim 6 , wherein the first transmitter is provided adjacent the first source device and the second transmitter is provided adjacent at least one second source device from among the plurality of source devices.

8. The display device of claim 1 , wherein the one or more processors is further configured to identify a start bit corresponding to the first source device from among start bits respectively corresponding to the plurality of source devices, and based on the IR signal for controlling the first source device being received, add the start bit corresponding to the first source device and transmit the IR signal with the start bit through the transmitter.

9. The display device of claim 8 , wherein the start bit is set differently for each of the plurality of source devices.

10. The display device of claim 1 , wherein the first user command corresponds to a direction command, and

wherein the second user command corresponds to a select command.

11. The display device of claim 1 , wherein the indicator surrounds the one of the displayed plurality of images.

12. A control method of a display device, the control method comprising:

dividing a display of the display device into respective areas based on a command to display a multi-screen;

controlling the display to display, as the multi-screen, a plurality of images in respective areas of the display, based on a plurality of image signals received from a plurality of source devices, each of the plurality of source devices using a same IR protocol;

controlling the display to display an indicator selectively indicating one of the displayed plurality of images according to a first user command, while controlling the display to display the plurality of images in the respective areas of the display,

receiving a second user command indicating selection of a first image from among the displayed plurality of images while controlling the display to display the plurality of images in the respective areas of the display and the indicator selectively indicating the first image, and identifying a first source device which provides the first image, from among the plurality of source devices;

performing a process for selectively controlling the first source device and turning-off an IR function of at least one second source device from among the plurality of source devices; and

transmitting an infrared (IR) signal for selectively controlling the first source device while controlling the display to display the plurality of images in the respective areas of the display.

13. The control method of claim 12 , wherein the performing comprises transmitting a signal through a consumer electronics control (CEC) line of at least one high definition multimedia interface (HDMI) cable connected with the at least one second source device to control the IR function of the at least one second source device to be turned off.

14. The control method of claim 13 , wherein the transmitting comprises transmitting the signal based on a CEC slave address of the at least one second source device.

15. The control method of claim 12 , wherein the performing comprises transmitting a signal to an Ethernet hub to control the IR function of the at least one second source device to be turned off while continuing to display at least one second image provided by the at least one second source device.

16. A non-transitory computer readable recording medium having embodied thereon a program, which when executed by one or more processors of an electronic device, causes the electronic device to execute a method including:

dividing a display of the electronic device into respective areas based on a command to display a multi-screen;

controlling the display to display, as the multi-screen comprising a plurality of images in respective areas of the display, based on a plurality of image signals received from a plurality of source devices, each of the plurality of source devices using a same IR protocol;

controlling the display to display an indicator selectively indicating one of the displayed plurality of images according to a first user command, while controlling the display to display the plurality of images in the respective areas of the display,

receiving a second user command indicating selection of a first image from among the displayed plurality of images while controlling the display to display the plurality of images in the respective areas of the display and the indicator selectively indicating the first image, and identifying a first source device which provides the first image, from among the plurality of source devices;

performing a process for selectively controlling the first source device and turning-off an IR function of at least one second source device from among the plurality of source devices; and

transmitting an infrared (IR) signal for selectively controlling the first source device while displaying the plurality of images in the respective areas of the display.

17. A device comprising:

an output interface;

a transmitter configured to transmit an infrared (IR) signal; and

one or more processors configured to:

control the output interface to output an image signal concurrently indicating a plurality of images associated with respective areas, based on a plurality of image signals received from a plurality of source devices;

control a display of the device to display an indicator selectively indicating one of the displayed plurality of images according to a first user command, while controlling the display to display the plurality of images in the respective areas of the display,

receive a second user command indicating selection of a first image from among the plurality of images while controlling the output interface to output the image signal concurrently indicating the plurality of image signals and the indicator selectively indicating the first image, and identify a first source device which provides the first image, from among the plurality of source devices,

activate an IR function of the first source device from among the plurality of source devices and deactivate the IR function of a second source device from among the plurality of source devices; and

transmit a first IR signal for selectively controlling the first source device through the transmitter while controlling the output interface to output the image signal concurrently indicating the plurality of image signals.

18. The device of claim 17 , wherein the one or more processors is further configured to, based on a third user command indicating a second image from among the plurality of images:

deactivate the IR function of the first source device and activate the IR function of the second source device; and

transmit a second IR signal for selectively controlling the second source device through the transmitter.

19. The device of claim 18 , further comprising a first interface corresponding to the first source device and a second interface corresponding to the second source device,

wherein the one or more processors is further configured to:

activate the IR function of the first source device by controlling a first activation control signal to be transmitted to the first source device through the first interface;

deactivate the IR function of the first source device by controlling a first deactivation control signal to be transmitted to the first source device through the first interface;

activate the IR function of the second source device by controlling a second activation control signal to be transmitted to the second source device through the second interface; and

deactivate the IR function of the second source device by controlling a second deactivation control signal to be transmitted to the second source device through the second interface.