Display device and operating method thereof

A display device comprising:

• a wireless communication unit configured to communicate with at least one external server;
• a storage unit;
• a voice recognition unit configured to receive a voice command;
• a control unit configured to transmit the received voice command to the at least one external server, determine whether data related to a function corresponding to the voice command has been received from the at least one of external server, and acquire data related to the function corresponding to the voice command in the storage unit when the data has not been received from the external server;
• and
• an output unit configured to output an executed function based on data acquired from the at least one external server or the storage unit.

A display device comprising:

• a wireless communication unit configured to communicate with at least one external servers;
• a storage unit;
• a voice recognition unit configured to receive a voice command;
• a keyword determination unit configured to recognize a preset keyword in the received voice command;
• a control unit configured to determine a provider providing a function corresponding to the voice command based on the recognized keyword, receive data related to the function from the determined provider, and execute the function corresponding to the voice command;
• and
• an output unit configured to output the function corresponding to the voice command.

A method for operating a display device, the method comprising:

• receiving a voice command;
• acquiring a function corresponding to the voice command
• determining a provider providing the function corresponding to the voice command;
• receiving data related to the function from at least one external server or storage unit according to the determined provider;
• and
• outputting the function corresponding to the voice command based on the received data.

A method for operating a display device, the method comprising:

• receiving a voice command;
• transmitting the received voice command to at least one external server;
• determining whether data related to a function corresponding to the voice command has been received from the at least one of external server;
• acquiring data related to the function corresponding to the voice command in storage unit when the data has not been received from the external server;
• and
• executing function based on data acquired from the at least one external server or the storage unit.

A method for operating a display device, the method comprising:

• receiving a voice command;
• recognizing a preset keyword in the received voice command;
• determining a provider providing a function corresponding to the voice command based on the recognized keyword;
• receiving data related to the function from the determined provider;
• and
• executing the function corresponding to the voice command.