Wearable device for sensing wearing by user

1 . A wearable device comprising:

at least one display configured to output light;

a waveguide configured to guide the light output from the at least one display toward a user's eye;

a first processor;

a second processor;

an electronic component disposed in the wearable device to face a user when the wearable device is worn by the user such that a change in capacitance of the electronic component is identified based on contact between the electronic component and a user's body, the electronic component including a camera; and

memory storing instructions for causing the wearable device to:

identify a change in capacitance of the electronic component using the first processor, while the second processor is in an inactive state,

activate the camera based on identifying that the change in capacitance exceeds a threshold using the first processor,

obtain one or more images using the camera,

generate a switching signal for switching a state of the second processor to an active state using the first processor, when a defined body part of the user is identified in the one or more images, and

switch the state of the second processor from the inactive state to the active state, based on the switching signal.

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

a frame supporting the at least one display, and

wherein the electronic component includes a conductive member disposed in a portion of the frame in contact with the part of the user's body, when the wearable device is worn by the user.

3 . The wearable device of claim 2 ,

wherein the electronic component further includes a flexible printed circuit board extending from the camera and electrically connected to the first processor, and

wherein the conductive member is a thin metal film disposed on a non-conductive layer of the flexible printed circuit board.

4 . The wearable device of claim 3 ,

wherein the at least one display includes a first display and a second display spaced apart from the first display,

wherein the frame includes a first rim surrounding the first display, a second rim surrounding the second display, a bridge disposed between the first rim and the second rim, a first pad disposed along a portion of an edge of the first rim from one end of the bridge and a second pad disposed along a portion of an edge of the second rim from an opposing end of the bridge, and

wherein the conductive member extends to the first processor along an inside of at least one selected from the first pad and the second pad.

5 . The wearable device of claim 2 ,

wherein the frame includes a plurality of rims and a support part disposed between the rims, and

wherein the conductive member is formed by double injection molding with the support part.

6 . The wearable device of claim 1 ,

wherein the camera includes a camera module configured to track a user's gaze and a metal case spaced apart from the camera module and surrounding the camera module, and

wherein the metal case is electrically connected to the first processor.

7 . The wearable device of claim 6 ,

wherein the at least a part of the metal case is disposed on the part of the user's body when the wearable device is worn by the user, and

wherein the memory further stores instructions for causing the first processor to identify a change in capacitance of the metal case.

8 . The wearable device of claim 6 ,

wherein the memory stores instructions for causing the first processor to:

activate the camera in response to identifying that the change in capacitance exceeds the threshold, and obtain the one or more images based on a designated period through the activated camera;

identify a visual object associated with the defined body part of the user in the one or more images; and

transmit the switching signal for switching the state of the second processor to the active state to the second processor, in response to an identification of the visual object.

9 . The wearable device of claim 8 ,

wherein the memory further stores instructions for causing the first processor to:

identify whether the visual object is included in the one or more images, in response to obtaining the one or more images;

transmit the switching signal for switching the state of the second processor to the active state to the second processor, based on identifying that the visual object is included in the one or more images; and

change the designated period of obtaining the one or more images through the camera to another designated period different from the designated period, based on identifying that the visual object is not included in the one or more images.

10 . The wearable device of claim 9 ,

wherein the memory further stores instructions for causing the first processor to:

identify whether the visual object is included in the one or more images, in response to obtaining the one or more images;

transmit the switching signal for switching the state of the second processor to the active state to the second processor, based on identifying that the visual object is included in the one or more images; and

deactivate the camera, based on identifying that the visual object is not included in the one or more images.

11 . The wearable device of claim 1 ,

wherein the electronic component includes:

a battery module including battery cells electrically connected to the display, the first processor and the second processor; and

a conductive cover surrounding the battery cells,

wherein the conductive cover is located on the part of the user's body, when the wearable device is worn by the user, and

wherein the memory further stores instructions for causing the first processor electrically connected to the conductive cover to identify a change in capacitance of the conductive cover.

12 . The wearable device of claim 1 ,

wherein the electronic component includes an antenna module for transmitting or receiving a signal or power to an outside of the wearable device, and

wherein the antenna module is electrically connected to the first processor.

13 . The wearable device of claim 12 ,

wherein the memory further stores instructions for causing the first processor to:

identify a change in impedance of the antenna module while the second processor is in an inactive state; and

obtain a switching signal for switching the state of the second processor to the active state based at least in part on the change in the capacitance and the change in impedance.

14 . A wearable device comprising:

at least one display including a first surface and a second surface opposite the first surface, wherein external light directed to the first surface displays information on the second surface;

an antenna module contacted on a part of a user's body when the wearable device is worn by a user;

a camera;

a processor including a first processor and a second processor; and

memory storing instructions for causing the first processor to:

identify a change in impedance of the antenna module while the second processor is in an inactive state;

activate the camera to obtain one or more images based on an identification of the change in impedance; and

generate a switching signal for switching a state of the second processor to an active state when a defined body part of the user is identified using the one or more images, and

wherein the memory further stores instructions for causing the second processor to switch the state of the second processor from the inactive state to the active state, based on a reception of the switching signal.

15 . The wearable device of claim 14 ,

wherein the memory stores instructions for causing the first processor to:

activate the camera in response to identifying that the change in impedance exceeds a threshold, and obtain the one or more images based on a designated period through the activated camera;

identify a visual object associated with the defined body part of the user using the one or more images; and

transmit the switching signal for switching the state of the second processor to the active state to the second processor, in response to an identification of the visual object.

16 . The wearable device of claim 15 ,

wherein the memory further stores instructions for causing the first processor to:

identify whether the visual object is included in the one or more images, in response to obtaining the one or more images;

transmit the switching signal for switching the state of the second processor to the active state to the second processor, based on identifying that the visual object is included in the one or more images; and

change the designated period of obtaining the one or more images through the camera to another designated period different from the designated period, based on identifying that the visual object is not included in the one or more images.

17 . The wearable device of claim 16 ,

wherein the memory further stores instructions for causing the first processor to:

identify whether the visual object is included in the one or more images, in response to obtaining the one or more images;

transmit the switching signal for switching the state of the second processor to the active state to the second processor, based on identifying that the visual object is included in the one or more images; and

deactivate the camera, based on identifying that the visual object is not included in the one or more images.

18 . The wearable device of claim 14 , further comprising a frame supporting the at least one display,

wherein the at least one display includes a first display and a second display spaced apart from the first display, and

wherein the frame includes a first rim surrounding the first display, a second rim surrounding the second display, a bridge disposed between the first rim and the second rim, a first pad disposed along a portion of an edge of the first rim from one end of the bridge and a second pad disposed along a portion of an edge of the second rim from an opposing end of the bridge.