Flexible television and method thereof

1. A display device comprising:

a power supply module;

a housing;

a motor;

flexible display configured to be extended from the housing by operation of the motor, wherein the flexible display may be set to a first position, a second position, or a third position corresponding to different modes of the display device;

an input unit; and

a controller configured to:

receive a first input via the input unit and obtain a response to the first input to be output;

when a current position of the flexible display is not compatible with the obtained response, change the flexible display to a compatible position for outputting the obtained response; and

output the obtained response while the flexible display is in the compatible position,

wherein the flexible display is fully retracted in the housing in the first position,

wherein the first position corresponds to multiple power states of the display device,

wherein the power supply module is configured to supply power to a microphone for voice input, but not to a speech recognition engine or to a network module, when the display device is in a first power state corresponding to the first position,

wherein the power supply module is configured to supply power to the speech recognition engine and the network module as well as the microphone when the display device is in a second power state corresponding to the first position,

wherein the flexible display is partially extended from the housing in the second position, and

wherein the flexible display is fully extended from the housing in the third position.

2. The display device of claim 1 , wherein the obtained response is associated with one or more predetermined compatible positions of the flexible display.

3. The display device of claim 1 , wherein the obtained response is compatible with the current position if audio or visual information of the obtained response can be output while the flexible display is in the current position.

4. The display device of claim 1 , wherein when the obtained response requires display of information on a full screen of the display device, the compatible position is the third position.

5. The display device of claim 1 , wherein when the obtained response comprises visual information which may be displayed on a partial screen of the display device, the compatible position is the second position or the third position.

6. The display device of claim 5 , wherein when the current position is the second position or the third position, the position of the flexible display is not changed.

7. The display device of claim 5 , wherein the content of the visual information is displayed differently based on whether the flexible display is in the second position or the third position.

8. The display device of claim 5 , wherein the current position is the second position, and wherein the controller is further configured to:

output the obtained response while the flexible display is in the second position, wherein the output response comprises audio and first visual information;

receive a second input via the input unit selecting a particular content included in the first visual information;

change the flexible display to the third position in response to the received second input; and

output the selected particular content on the flexible display in the third position.

9. The display device of claim 1 , wherein when the obtained response does not require display of visual information, the compatible position is any of the first position, second position, or third position.

10. The display device of claim 1 , wherein the third position is compatible with all obtained responses such that the position of the flexible display is not changed when the current position is the third position regardless of the obtained response.

11. A display device comprising:

a power supply module;

a housing;

a motor;

flexible display configured to be extended from the housing by operation of the motor, wherein the flexible display may be set to a first position, a second position, or a third position corresponding to different modes of the display device;

an input unit; and

a controller configured to:

receive a first input via the input unit and obtain a response to the first input to be output;

determine a current position of the flexible display, the current position corresponding to the first position, second position, or third position;

output the obtained response via flexible display, wherein a position of the flexible display is determined based on the obtained response, and wherein the obtained response is output differently according to the position of the flexible display,

wherein the flexible display is fully retracted in the housing in the first position,

wherein the first position corresponds to multiple power states of the display device,

wherein the power supply module is configured to supply power to a microphone for voice input, but not to a speech recognition engine or to a network module, when the display device is in a first power state corresponding to the first position,

wherein the power supply module is configured to supply power to a speech recognition engine and a network module as well as the microphone when the display device is in a second power state corresponding to the first position,

wherein the flexible display is partially extended from the housing in the second position,

and

wherein the flexible display is fully extended from the housing in the third position.

12. The display device of claim 11 , wherein the controller is further configured to output the obtained response while the flexible display is in the current position if the current position is compatible with the obtained response.

13. The display device of claim 12 , wherein the obtained response is compatible with the current position if a format of audio or visual information of the obtained response can be output while the flexible display is in the current position.

14. The display device of claim 11 , wherein if the obtained response is not compatible with the current position of the flexible display, the controller is further configured to change the flexible display to a compatible position for outputting the obtained response and output the obtained response while the flexible display is in the compatible position.

15. The display device of claim 14 , wherein when the obtained response comprises visual information which may be displayed on a partial screen of the display device, the compatible position is the second position or the third position.

16. The display device of claim 14 , wherein the obtained response is associated with one or more predetermined compatible positions of the flexible display.

17. The display device of claim 14 , wherein when the obtained response requires display of information on a full screen of the display device, the compatible position is the third position.

18. The display device of claim 14 , wherein when the current position is the second position or the third position, the position of the flexible display is not changed.

19. The display device of claim 11 , wherein the current position is the second position, and wherein the controller is further configured to:

output the obtained response while the flexible display is in the second position, wherein the output response comprises audio and first visual information;

receive a second input via the input unit selecting a particular content included in the first visual information;

change the flexible display to the third position in response to the received second input; and

output the selected particular content on the flexible display in the third position.

20. The display device of claim 14 , wherein when the obtained response does not require display of visual information, the obtained response is compatible with any of the first position, second position, or third position.

21. The display device of claim 14 , wherein the third position is compatible with all obtained responses such that the position of the flexible display is not changed when the current position is the third position regardless of the obtained response.

22. A display device comprising:

a power supply module;

a housing;

a motor;

flexible display configured to be extended from the housing by operation of the motor, wherein the flexible display may be set to a first position, a second position, or a third position corresponding to different modes of the display device;

an input unit; and

a controller configured to:

receive a first input via the input unit and obtain a response to the first input to be output;

change the flexible display to the third position if a current position of the flexible display is not the third position and the obtained response requires outputting visual information on a full screen of the flexible display, and output the obtained response on the full screen of the flexible display in the third position;

if a current position of the flexible display is the second position, maintain the second position of the flexible display and output visual information of the obtained response via the flexible display;

if a current position of the flexible display is the first position and the obtained response requires outputting visual information, change the flexible display to the second position or the third position and output visual information of the obtained response via the flexible display; and

if a current position of the flexible display is the first position and the obtained response does not require outputting visual information, maintain the first position of the flexible display and output audio information of the obtained response,

wherein the flexible display is fully retracted in the housing in the first position,

wherein the first position corresponds to multiple power states of the display device,

wherein the power supply module is configured to supply power to a microphone for voice input, but not to a speech recognition engine or to a network module, when the display device is in a first power state corresponding to the first position,

wherein the power supply module is configured to supply power to a speech recognition engine and a network module as well as the microphone when the display device is in a second power state corresponding to the first position,

wherein the flexible display is partially extended from the housing in the second position,

and

wherein the flexible display is fully extended from the housing in the third position.