Display device and artificial intelligence server capable of controlling home appliance through user's voice based on purchase history list

1. A display device for controlling a home appliance by using voice recognition, the display device comprising:

a display unit;

a wireless communication unit configured to wirelessly communicate with the home appliance; and

a control unit configured to:

receive a voice command;

when an intention of the voice command is to request a handling method of one of a plurality of objects included in a purchase history list of a purchase made through the display unit, determine an operation mode of the home appliance for handling an object based on information of the object; and

transmit, to the home appliance, a control command for operating the home appliance in the determined operation mode.

2. The display device of claim 1 , further comprising a storage unit configured to store object information,

wherein the object information includes one or more of an ingredient of the object, a washing method, a drying method, and handling precautions.

3. The display device of claim 2 , wherein the control unit is configured to:

compare the object information with a plurality of operation modes supported by the home appliance; and

determine one of the plurality of operation modes according to a comparison result.

4. The display device of claim 1 , wherein the control unit is configured to receive feedback information indicating that the home appliance is set to the determined operation mode from the home appliance through the wireless communication unit in response to the control command.

5. The display device of claim 4 , wherein the control unit is configured to display the feedback information received from the home appliance on the display unit.

6. The display device of claim 1 , wherein the control unit is configured to display recommended operation information for recommending the determined operation mode on the display unit.

7. The display device of claim 1 , wherein the control unit is configured to display, on the display unit, the purchase history list indicating a history of objects purchased through the display device.

8. An artificial intelligence server for controlling a home appliance by using voice recognition, the artificial intelligence server comprising:

a memory configured to store object information;

a communication unit configured to receive a voice command from a display device; and

a processor configured to:

when an intention of the voice command is to request a handling method of one of a plurality of objects included in a purchase history list of a purchase made through the display unit, determine an operation mode of the home appliance for handling an object based on object information; and

transmit, to an external server, a control command for operating the home appliance in the determined operation mode.

9. The artificial intelligence server of claim 8 , wherein the object information includes one or more of an ingredient of the object, a washing method, a drying method, and handling precautions.

10. The artificial intelligence server of claim 9 , wherein the processor is configured to:

compare the object information with a plurality of operation modes supported by the home appliance;

determine one of the plurality of operation modes according to a comparison result.

11. The artificial intelligence server of claim 10 , wherein the processor is configured to receive information of the home appliance from the external server, and

wherein the information of the home appliance includes a name of the home appliance, a model name of the home appliance, and a plurality of operation modes supported by the home appliance.

12. The artificial intelligence server of claim 8 , wherein the processor is configured to receive feedback information indicating that the home appliance is set to the determined operation mode from the external server through the communication unit in response to the control command.

13. The artificial intelligence server of claim 12 , wherein the processor is configured to transmit, to the display device, the feedback information received from the home appliance.

14. The artificial intelligence server of claim 8 , wherein the processor is configured to transmit, to the display device, recommended operation information for recommending the determined operation mode.