# US 12,118,960 B2 · Display device and control method therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,118,960 B2 - Document ID: US12118960B2 - Status: Granted - Kind: B2 - Application number: 18/094,125 - Filed: 2023-01-06 - Published: 2023-05-18 - Granted: 2024-10-15 - Earliest claimed: 2020-07-07 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Sanghun Yi; Sangwon Kim; Youngkook Kim; Jeongryeol Seo; Sanghoon Oh - Web page: https://patentgrep.com/patent/US12118960B2 ## CPC - G09G 5/14: Display of multiple viewports - H04B 10/1141: {One-way transmission} - G09G 2370/06: Consumer Electronics Control, i.e. control of another device by a display or vice versa - G09G 2370/12: Use of DVI or HDMI protocol in interfaces along the display data pipeline - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - H04B: TRANSMISSION ## Abstract A display device and a control method therefor are disclosed. The display device includes: a display; a transmitter configured to transmit an infrared (IR) signal; and one or more processors configured to: control the display to display a multi-screen including a plurality of images 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; perform, based on a user command indicating a first image from among the plurality of images, a process for selectively controlling a first source device, from among the plurality of source devices, which provides the first image; and transmit an IR signal for selectively controlling the first source device through the transmitter. ## Claims ### Claim 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. ### Claim 2 (depends on 1) 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. ### Claim 3 (depends on 2) 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. ### Claim 4 (depends on 1) 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. ### Claim 5 (depends on 4) 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. ### Claim 6 (depends on 1) 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. ### Claim 7 (depends on 6) 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. ### Claim 8 (depends on 1) 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. ### Claim 9 (depends on 8) The display device of claim 8, wherein the start bit is set differently for each of the plurality of source devices. ### Claim 10 (depends on 1) 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. ### Claim 11 (depends on 1) The display device of claim 1, wherein the indicator surrounds the one of the displayed plurality of images. ### Claim 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. ### Claim 13 (depends on 12) 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. ### Claim 14 (depends on 13) 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. ### Claim 15 (depends on 12) 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. ### Claim 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. ### Claim 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. ### Claim 18 (depends on 17) 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. ### Claim 19 (depends on 18) 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.