Patent ID: 9161077
Filing Date: 2015-10-13
Classification: H04N

Abstract:
1. A display apparatus comprising: a user input unit which receives a user command; a communicator which communicates with at least one of external apparatuses; a storage which stores identification information of at least one of external apparatuses; a broadcasting signal receiver which is configured to receive a broadcast signal; a display; and a controller which is configured to: receive channel information via the user input unit, select an external apparatus from among the external apparatuses according to the user command received via the user input unit, receive a broadcasting signal corresponding the received channel information, display first video data generated based on the received broadcasting signal, receive identification information on the selected external apparatus from the selected external apparatus, perform authentication operation on the selected external apparatus based on the stored identification information and the received identification information on the selected external apparatus, convert the first video data into second video data after completion of the authentication operation, and transmit the second video data to the authenticated external apparatus, wherein the authentication operation is automatically completed in response to a coincidence of the stored identification information and the received identification information on the selected external apparatus, and the authentication operation is completed by a user's instruction in response to the discordance of the stored identification information and the received identification information on the selected external apparatus.