Electronic device comprising hall sensor for identifying folding state
An electronic device is disclosed, including: a first housing, a second housing, a folding housing that pivotably connects the first housing and second housing, a flexible display spanning the first, second and folding housings, a printed circuit board (PCB), a first camera module at least partly visible through a surface of the second housing, a first magnet disposed in the first housing, a second magnet disposed in the second housing, and a hall sensor disposed on the PCB, the hall sensor configured to detect magnetic flux caused by motion of the first and/or second magnet in folding and unfolding of the electronic device so as facilitate determination of a configuration state of the electronic device.
1. A foldable electronic device comprising:
a housing including:
a first housing part, and
a second housing part rotatably coupled with the first housing part;
a flexible display;
a first magnet disposed under a first corner area of the flexible display that is positioned on the first housing part;
a second magnet disposed under a second corner area of the flexible display that is positioned on the second housing part and overlaps the first corner area of the flexible display in a folded state of the foldable electronic device, wherein the first magnet and the second magnet are configured to maintain the folded state of the foldable electronic device through an attractive magnetic force between the first magnet and the second magnet;
a first camera disposed in the first housing part;
a second camera, configured with optical image stabilization (OIS), disposed in the first housing part; and
a hall sensor, disposed in the first housing part, configured to generate data for identifying whether a state of the foldable electronic device corresponds to an unfolded state of the foldable electronic device or the folded state of the foldable electronic device based on a magnetic field to be caused by the first magnet and the second magnet,
wherein a distance between the first magnet and the hall sensor is smaller than a distance between the first magnet and the first camera, and
wherein a distance between the hall sensor and the first camera is smaller than a distance between the hall sensor and the second camera.
2. The foldable electronic device of claim 1 , wherein the first housing part includes:
a first periphery portion substantially perpendicular to an axis of the second housing part for rotating with respect to the first housing part; and
a second periphery portion, substantially perpendicular to the first periphery portion, substantially parallel to the axis, wherein the first periphery portion of the first housing part and the second periphery portion of the first housing part join each other at the first corner area,
wherein the hall sensor is disposed between the second camera in the first housing part and the first periphery portion of the first housing part.
3. The foldable electronic device of claim 2 , wherein the hall sensor is disposed between the first camera in the first housing part and the first periphery portion of the first housing part.
4. The foldable electronic device of claim 3 , wherein the second camera among the first camera and the second camera has an OIS mechanism,
wherein the hall sensor is spaced apart from the second camera such that whether the state of the foldable electronic device corresponds to the unfolded state of the foldable electronic device or the foldable state of the foldable electronic device is identified independently of changes in a magnetic field caused from the second camera in the first housing part, and
wherein the changes in the magnetic field from the second camera are to be caused according to the OIS mechanism of the second camera.
5. The foldable electronic device of claim 3 , further comprising:
a printed circuit board (PCB) disposed in the first housing part,
wherein the first camera and the second camera are attached to the PCB to face in a first direction, and
wherein the hall sensor is mounted on a side of the PCB facing in a second direction opposite to the first direction.
6. The foldable electronic device of claim 5 , further comprising:
antenna contacts, spaced apart from each other, disposed along the first periphery portion of the first housing part,
wherein the first periphery portion of the first housing part includes a lateral conductive portion configured to function as an antenna radiator,
wherein each of the antenna contacts is contacted on both the PCB and the lateral conductive portion included in the first periphery portion of the first housing part to electrically connect the PCB to the lateral conductive portion included in the first periphery portion of the first housing part, and
wherein the hall sensor is spaced apart from each of the antenna contacts.
7. The foldable electronic device of claim 6 , wherein the antenna contacts are disposed on another side of the PCB that is opposite to the side of the PCB on which the hall sensor is mounted.
8. The foldable electronic device of claim 6 , wherein the hall sensor is disposed between the second camera and a virtual line connecting the antenna contacts.
9. The foldable electronic device of claim 6 , wherein the hall sensor is spaced apart from the antenna contacts to reduce a malfunction of the hall sensor.
10. The foldable electronic device of claim 6 , wherein the hall sensor is spaced apart from the antenna contacts to reduce any interference to a signal received through the lateral conductive portion.
11. The foldable electronic device of claim 1 , further comprising:
third magnets and fourth magnets, configured to maintain the folded state of the foldable electronic device through an attractive magnetic force between the third magnets and the fourth magnets,
wherein the first housing part includes:
a first periphery portion; and
a second periphery portion substantially perpendicular to the first periphery portion, wherein the first periphery portion of the first housing part and the second periphery portion join each other at the first corner area,
wherein the second housing part includes:
a third periphery portion extending from the first periphery portion of the first housing part; and
a fourth periphery portion substantially perpendicular to the third periphery portion of the second housing part, wherein the third periphery portion of the second housing part and the fourth periphery portion of the second housing part join each other at the second corner area,
wherein the third magnets are disposed along the second periphery portion of the first housing part,
wherein the fourth magnets are disposed along the fourth periphery portion of the second housing part, and
wherein the hall sensor is closer to the first magnet than the third magnets.
12. The foldable electronic device of claim 11 , wherein the hall sensor is spaced apart from the third magnets such that whether the state of the foldable electronic device corresponds to the unfolded state of the foldable electronic device or the folded state of the foldable electronic device can be identified independently of changes in a magnetic field from the third magnets and the fourth magnets caused according to change from the unfolded state of the foldable electronic device to the folded state of the foldable electronic device.
13. The foldable electronic device of claim 1 , further comprising:
at least one processor, comprising processing circuitry, configured to identify based on data from the hall sensor the unfolded state of the foldable electronic device and the folded state of the foldable electronic device.
14. A foldable electronic device comprising:
a housing including:
a first housing part, and
a second housing part rotatably coupled with the first housing part;
a flexible display;
a first magnet disposed under a first corner area of the flexible display that is positioned on the first housing part;
a second magnet disposed under a second corner area of the flexible display that is positioned on the second housing part and overlaps the first corner area of the flexible display in a folded state of the foldable electronic device, wherein the first magnet and the second magnet are configured to maintain the folded state of the foldable electronic device based on an attractive magnetic force between the first magnet and the second magnet;
a first camera disposed in the first housing part;
a second camera, configured for an optical image stabilization (OIS), disposed in the first housing part; and
a hall sensor, disposed in the second housing part, configured to obtain data for identifying whether a state of the foldable electronic device corresponds to an unfolded state of the foldable electronic device or the folded state of the foldable electronic device based on a magnetic field to be caused by the first magnet and the second magnet,
wherein the hall sensor is closer to the first camera projected onto the second housing part in the folded state of the foldable electronic device than the second camara projected onto the second housing part in the folded state of the foldable electronic device.
15. The foldable electronic device of claim 14 , wherein the second housing part includes:
a first periphery portion substantially perpendicular to an axis of the second housing part for rotating with respect to the first housing part; and
a second periphery portion, substantially perpendicular to the first periphery portion, substantially parallel to the axis, wherein the first periphery portion of the second housing part and the second periphery portion of the second housing part join each other at the second corner area,
wherein the hall sensor is disposed between the first periphery portion of the second housing part and a virtual line extending a periphery portion of the second camera projected onto the second housing part in the folded state of the foldable electronic device,
wherein the periphery portion of the second camera projected onto the second housing part in the folded state of the foldable electronic device is:
substantially parallel to the first periphery portion of the second housing part; and
closer to the first periphery portion of the second housing part than another periphery portion of the second camera projected onto the second housing part in the folded state of the foldable electronic device being substantially parallel to the first periphery portion of the second housing part.
16. The foldable electronic device of claim 15 , wherein the hall sensor is disposed between the first periphery portion of the second housing part and a virtual line extending a periphery portion of the first camera projected onto the second housing part in the folded state of the foldable electronic device,
wherein the periphery portion of the first camera projected onto the second housing part in the folded state of the foldable electronic device is:
substantially parallel to the first periphery portion of the second housing part; and
closer to the first periphery portion of the second housing part than another periphery portion of the first camera projected onto the second housing part in the folded state of the foldable electronic device being substantially parallel to the first periphery portion of the second housing part.
17. The foldable electronic device of claim 16 , wherein the first camera comprises an ultrawide-angle camera, and wherein the second camera comprises a wide-angle camera.
18. The foldable electronic device of claim 14 , further comprising:
a first printed circuit board (PCB) disposed in the first housing part; and
a second PCB disposed in the second housing part,
wherein the first camera and the second camera are attached to the first PCB to face in a first direction, and
wherein the hall sensor is mounted on a side of the second PCB facing in a second direction opposite to the first direction.
19. The foldable electronic device of claim 18 , wherein the second housing part includes:
a first periphery portion substantially perpendicular to an axis of the second housing part rotating with respect to the first housing part; and
a second periphery portion, substantially perpendicular to the first periphery portion, substantially parallel to the axis, wherein the first periphery portion of the second housing part and the second periphery portion of the second housing part join each other at the second corner area,
wherein the foldable electronic device further comprises antenna contacts, spaced apart from each other, disposed along the first periphery portion of the second housing part,
wherein the first periphery portion of the second housing part includes a lateral conductive portion configured to function as an antenna,
wherein each of the antenna contacts is contacted on both the second PCB and the lateral conductive portion included in the first periphery portion of the second housing part to connect the second PCB to the lateral conductive portion included in the first periphery portion of the second housing part, and
wherein the hall sensor is spaced apart from each of the antenna contacts.
20. The foldable electronic device of claim 19 , wherein the antenna contacts are disposed on another side of the second PCB that is opposite to the side of the PCB on which the hall sensor is mounted.