Samsung patents TV voice control that ends automatically after a command

1. A display apparatus comprising: a voice receiver; a communicator configured to communicate with a server; a display; and a processor configured to: receive a first voice input through the voice receiver, based on a predetermined trigger speech being included in the first voice input, control the display apparatus to enter a voice input mode, based on a predetermined command related to the display apparatus being included in a second voice input received through the voice receiver while the display apparatus is in the voice input mode, perform an operation corresponding to the predetermined command and release the voice input mode after performing the operation without receiving a user input, and based on the predetermined command not being included in the second voice input and a text being included in the second voice input, receive a search result corresponding to the text included in the second voice input from the server and control the display to display a screen corresponding to the search result, wherein the processor is further configured to: based on the search result including a plurality of search results, control the display to display the plurality of search results and maintain the voice input mode for receiving a subsequent user input while the plurality of search results are displayed on the display, and based on a search result from among the plurality of search results being selected by the subsequent user input, control the display to display information corresponding to the selected search result and automatically release the voice input mode without receiving the user input after displaying the information corresponding to the selected search result on the display, wherein the processor is further configured to: based on receiving a voice input including an index among a plurality of indexes corresponding to the plurality of search results, control the display to display a screen corresponding to a content related to the index and automatically release the voice input mode without receiving the user input, and wherein the plurality of indexes is related to a display order of the plurality of search results displayed on the display.