# US 8,786,783 B2 · Video and graphic combination and display apparatus and image combining and displaying method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,786,783 B2 - Document ID: US8786783B2 - Status: Granted - Kind: B2 - Application number: 13/716,906 - Filed: 2012-12-17 - Published: 2013-07-04 - Granted: 2014-07-22 - Earliest claimed: 2011-12-30 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Jae-hong Park - Web page: https://patentgrep.com/patent/US8786783B2 ## CPC - G06F 3/1407: {General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros} - H04N 21/4622: {Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet (web site content organization and management for information retrieval from the Internet G06F16/958; transmission by internet of broadcast information H04H60/82; stock exchange data over packet-switching network H04L12/1804; push services including data channel over packet-switching network H04L12/1859)} - G06F 3/14: Digital output to display device {; Cooperation and interconnection of the display device with other functional units} - G09G 5/12: Synchronisation between the display unit and other units, e.g. other display units, video-disc players - H04N 5/445: for displaying additional information (H04N5/50 takes precedence) - H04N 5/44504: {Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits} - H04N 7/0885: {for the transmission of subtitles} - H04N 21/43635: {HDMI} - H04N 21/4884: {for displaying subtitles} - G09G 2340/10: Mixing of images, i.e. displayed pixel being the result of an operation, e.g. adding, on the corresponding input pixels - G09G 2340/125: wherein one of the images is motion video - G09G 2370/12: Use of DVI or HDMI protocol in interfaces along the display data pipeline - H04N 21/47: End-user applications - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - 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) ## Abstract A display apparatus includes a display which displays an image; an external peripheral device; a peripheral device interface connected to the external peripheral device; an image composing module which combines a video signal with a graphic signal and outputs a combined signal to the display; and a controller which outputs a graphic signal to the image composing module when the graphic signal is input from the external peripheral device through the peripheral device interface, the graphic signal being associated with contents of a video signal displayed on the display and displayed along with the video signal. ## Claims ### Claim 1 A display apparatus comprising: a display configured to display an image; a peripheral device interface configured to connect to an external peripheral device; an image composing module configured to combine a video signal with a graphic signal and output a combined signal to the display; a video processor configured to process a video signal; and a controller configured to directly output the graphic signal input from the external peripheral device to the image composing module in response to the graphic signal being input from the external peripheral device through the peripheral device interface, and to output the video signal input from the external peripheral device to the video processor in response to the video signal being input from the external peripheral device through the peripheral device interface. ### Claim 2 (depends on 1) The display apparatus of claim 1, further comprising a user interface configured to receive a selection by a user, wherein the controller is further configured to output a control signal to the external peripheral device so that the graphic signal provided from the external peripheral device is output to the image composing module in response to a selection signal to display the desired graphic signal being received through the user interface. ### Claim 3 (depends on 1) The display apparatus of claim 1, wherein the graphic signal provided from the external peripheral device comprises transparency information. ### Claim 4 (depends on 1) The display apparatus of claim 1, wherein the peripheral device interface comprises a USB port and an HDMI port. ### Claim 5 (depends on 1) The display apparatus of claim 1, wherein the external peripheral device is connectable to a network and receives data through the network. ### Claim 6 (depends on 1) The display apparatus of claim 1, wherein the peripheral device interface is further configured to receive the video signal and the graphic signal as separate signals. ### Claim 7 (depends on 1) The display apparatus of claim 1, wherein the peripheral device interface is further configured to receive the video signal and the graphic signal in different signal forms. ### Claim 8 A display apparatus comprising: a display configured to display an image; a peripheral device interface configured to connect to an external peripheral device, wherein the external peripheral device is configured to output a video signal and a graphic signal to the peripheral device interface; a video processor configured to process a video signal; an image composing module configured to combine the video signal with a graphic signal associated with contents of the video signal and displayed together with the video signal, and output a combined signal to the display; and a controller configured to determine whether an image signal received through the peripheral device interface is the graphic signal, directly output the graphic signal to the image composing module in response to the image signal being the graphic signal, and output the video signal to the video processor in response to the image signal being the video signal. ### Claim 9 An image displaying method of a display apparatus comprising a peripheral device interface connected to an external peripheral device and a display, the image displaying method comprising: receiving a graphic signal and/or a video signal from the peripheral device through the peripheral device interface; directly outputting the graphic signal received from the peripheral device to the image composing module in response to the graphic signal being input from the external peripheral device through the peripheral device interface and outputting the video signal received from the peripheral device to the video processor in response to the video signal being input from the external peripheral device through the peripheral device interface; combining the graphic signal with the video signal; and displaying the video signal and the graphic signal on the display. ### Claim 10 (depends on 9) The image displaying method of claim 9, wherein the display apparatus further comprises a user interface which receives a selection by a user, and the method further comprises: receiving a selection signal to display the desired graphic signal through the user interface; and outputting a control signal to the external peripheral device so that the graphic signal provided from the external peripheral device is output to an image composing module. ### Claim 11 (depends on 9) The image displaying method of claim 9, wherein the graphic signal is a separate signal from the video signal. ### Claim 12 (depends on 9) The image displaying method of claim 9, wherein the graphic signal is in a signal form different from the video signal. ### Claim 13 An image displaying method of a display apparatus comprising a peripheral device interface connected to an external peripheral device and a display, the image displaying method comprising: receiving an image signal through the peripheral device interface from the peripheral device; determining whether the image signal is a graphic signal or a video signal received from the peripheral device through the peripheral device interface; directly outputting the graphic signal to the image composing module in response to the image signal being the graphic signal, and outputting the video signal to the video processor in response to the image signal being the video signal; and combining an input graphic signal with the video signal in response to the image signal being the graphic signal or processing a video signal in response to the image signal is the video signal, and displaying the signal on the display. ### Claim 14 An image display system, comprising: an external peripheral device configured to output a desired signal and a video signal; a peripheral device interface configured to receive the desired signal and the video signal output by the external peripheral device; a video processor configured to process the video signal; an image composing module configured to combine the video signal with the desired signal and output a combined signal; a display configured to display the combined signal; a user interface configured to input a user selection signal for selecting the desired signal; and a controller configured to directly output the graphic signal input from the external peripheral device to the image composing module in response to the graphic signal being input from the external peripheral device through the peripheral device interface, and to output the video signal input from the external peripheral device to the video processor in response to the video signal being input from the external peripheral device through the peripheral device interface. ### Claim 15 (depends on 14) The image display system of claim 14, wherein in response to a selection signal from the user interface being received, the controller is further configured to output a control signal to the external peripheral device so that the external peripheral device outputs the desired signal. ### Claim 16 (depends on 15) The image display system of claim 15, wherein the graphic signal comprises a graphic signal received through the Internet. ### Claim 17 (depends on 14) The image display system of claim 14, wherein the external peripheral device is further configured to output the graphic signal and the video signal as separate signals. ### Claim 18 (depends on 14) The image display system of claim 14, wherein the external peripheral device is further configured to output the graphic signal and the video signal in different signal forms.