Electronic device including flexible slide-out display

1. An electronic device comprising:

a housing;

a flexible display including a bendable section capable of being extracted from or retracted into an inner space of the housing;

a support member assembly positioned at least partially in the housing and including a first surface facing the bendable section of the flexible display with a separation distance therebetween;

a dielectric disposed on the first surface while facing the bendable section of the flexible display and electrically connected to a ground of the electronic device; and

a sensor integrated circuit (IC), electrically connected through a touch sensing circuit included in the flexible display, configured to detect a capacitance change depending on a distance between the dielectric and the bendable section of the flexible display.

2. The electronic device of claim 1 , further comprising:

a processor; and

memory storing instructions that, when executed by the processor, cause the electronic device to:

control the sensor IC so as to activate a designated touch area of the touch sensor circuit including only a touch area facing the dielectric or locally including the touch area, and

detect, through the touch area of the touch sensor circuit, the capacitance change depending on the distance between the dielectric and the bendable section of the flexible display.

3. The electronic device of claim 2 , wherein the electronic device is configured to detect the capacitance change depending on the distance between the dielectric and the bendable section of the flexible display while the bendable section is extracted from or retracted into the inner space of the housing.

4. The electronic device of claim 2 , wherein the memory stores an instruction that, when executed by the processor, causes the electronic device to, when the detected capacitance change is greater than a threshold value, output a notification through the flexible display.

5. The electronic device of claim 2 , wherein the memory stores an instruction that, when executed by the processor, causes the electronic device to control a tension adjustment module configured to adjust tension with respect to the bendable section of the flexible display based on the detected capacitance change.

6. The electronic device of claim 5 , further comprising:

a support sheet disposed on a rear surface of the flexible display or included in the flexible display; and

a tension structure connected to the support sheet and configured to apply the tension to the bendable section of the flexible display based on the tension adjustment module.

7. The electronic device of claim 2 , wherein:

a portion of the designated touch area is included in a screen of the electronic device formed by the flexible display; and

the memory stores an instruction that, when executed by the processor, causes the electronic device to be nonresponsive to a touch input or a hovering input detected through the portion of the designated touch area.

8. The electronic device of claim 1 ,

wherein the bendable section of the flexible display includes a curved part, a position of the curved part is changed according to an extraction or a retraction of the bendable section with respect to the housing,

wherein the electronic device further comprises a curved member positioned in the housing corresponding to the curved part of the bendable section of the flexible display, and

wherein the first surface of the support member assembly includes a curved surface corresponding to the curved member.

9. The electronic device of claim 8 , further comprising a plate capable of sliding with respect to the housing,

wherein the flexible display further comprises a first section disposed on the plate and extending from the bendable section, and

wherein the position of the curved part of the bendable section of the flexible display is changed according to a sliding of the plate.

10. The electronic device of claim 8 , further comprising:

a support sheet disposed on a rear surface of the flexible display, and

a multi-bar structure coupled to the support sheet and configured to support the bendable section of the flexible display, the multi-bar structure being in contact with the curved member.

11. The electronic device of claim 1 , wherein the dielectric is disposed in a groove formed in the first surface of the support member assembly.

12. The electronic device of claim 1 , wherein the dielectric protrudes toward the bendable section with respect to the first surface of the support member assembly.

13. The electronic device of claim 1 , wherein the dielectric faces the bendable section and includes a convex shape.

14. The electronic device of claim 1 , wherein the dielectric comprises a flexible material.

15. An electronic device, comprising:

a housing;

a plate capable of sliding with respect to the housing;

a flexible display comprising a first section and a second section extending from the first section, wherein the second section of the flexible display includes a curved part, a position of the curved part is changed according to the sliding of the plate;

a support member assembly positioned at least partially in the housing and including a first surface facing the second section of the flexible display with a separation distance therebetween;

a dielectric disposed on the first surface while facing the second section of the flexible display and electrically connected to a ground of the electronic device; and

a sensor integrated circuit (IC), electrically connected through a touch sensing circuit included in the flexible display, configured to detect a capacitance change depending on a distance between the dielectric and the second section of the flexible display.

16. The electronic device of claim 15 , further comprising:

a processor; and

memory storing instructions that, when executed by the processor, cause the electronic device to:

control the sensor IC so as to activate a designated touch area of the touch sensor circuit including only a touch area facing the dielectric or locally including the touch area, and

detect, through the touch area of the touch sensor circuit, the capacitance change depending on the distance between the dielectric and the second section of the flexible display.

17. The electronic device of claim 16 , wherein the memory stores an instruction that, when executed by the processor, causes the electronic device to, when the detected capacitance change is greater than a threshold value, output a notification of the capacitance through the flexible display.

18. The electronic device of claim 16 , wherein the memory stores an instruction that, when executed by the processor, causes the electronic device to control a tension adjustment module configured to adjust tension with respect to the second section of the flexible display based on the detected capacitance change.

19. The electronic device of claim 18 , further comprising:

a support sheet disposed on a rear surface of the flexible display or included in the flexible display; and

a tension structure connected to the support sheet and configured to apply the tension to the second section of the flexible display based on the tension adjustment module.

20. The electronic device of claim 16 , wherein:

a portion of the designated touch area is included in a screen of the electronic device formed by the flexible display; and

the memory stores an instruction that, when executed by the processor, causes the electronic device to be nonresponsive to a touch input or a hovering input detected through the portion of the designated touch area.