CN115497377A

CN115497377A - Electronic equipment, control method and device

Info

Publication number: CN115497377A
Application number: CN202211072885.7A
Authority: CN
Inventors: 周全; 张云
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-12-20

Abstract

The application discloses an electronic device, a control method and a control device, and belongs to the technical field of devices. The electronic device may include: flexible display screen, elasticity liquid storage bag and first electromagnet. The elastic liquid storage bag is arranged in a folding area of the flexible display screen and is filled with magnetic fluid; the first electromagnet is arranged opposite to the elastic liquid storage bag. When the flexible display screen is in an unfolded state, the first electromagnet is electrified, and the magnetic fluid is converged to an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet so as to support the folded area.

Description

Electronic equipment, control method and device

Technical Field

The application belongs to the technical field of equipment, and particularly relates to electronic equipment, a control method and a control device.

Background

With the development of Organic Light-Emitting Diode (OLED) materials, flexible display panels are applied more and more widely in electronic devices, wherein the electronic devices provided with the flexible display panels may be called foldable devices.

It can be understood that the flexible display screen is formed by stacking a plurality of film layers, so that when the flexible display screen is unfolded and folded, different film layers of the flexible display screen move relative to each other, for example, a part of the film layers are arched, and then the unfolded flexible display screen is creased. Therefore, how to optimize the crease of the flexible display screen is a problem to be solved urgently at present.

Disclosure of Invention

The embodiment of the application aims to provide electronic equipment, a control method and a device, and the problem of how to optimize the crease of a flexible display screen can be solved.

In a first aspect, an embodiment of the present application provides an electronic device, which may include: flexible display screen, elasticity liquid storage bag and first electromagnet. The elastic liquid storage bag is arranged in a folding area of the flexible display screen, and magnetic fluid is filled in the elastic liquid storage bag; the first electromagnet is arranged opposite to the elastic liquid storage bag, and the first electromagnet is positioned on one side of the elastic liquid storage bag back to the flexible display screen. When the flexible display screen is in an unfolded state, the first electromagnet is electrified, and the magnetic fluid is converged to an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet so as to support the folded area.

In a second aspect, an embodiment of the present application provides a control method, which is applied to the electronic device in the first aspect, and the method includes: under the condition that a flexible display screen in the electronic device is in an unfolded state, a first electromagnet in the electronic device is electrified, so that magnetic fluid contained in an elastic liquid storage bag of the electronic device is gathered towards an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet, and a folding area of the flexible display screen is supported.

In a third aspect, an embodiment of the present application provides a control apparatus, which may include: the device comprises a detection module and a control module; the detection module is used for detecting the state of a flexible display screen in the electronic equipment; and the control module is used for electrifying the first electromagnet in the electronic equipment under the condition that the detection module detects that the flexible display screen is in the unfolded state, so that the magnetic fluid contained in the elastic liquid storage bag of the electronic equipment is converged to the area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet, and the folded area of the flexible display screen is supported.

In a fourth aspect, embodiments of the present application provide an electronic device, which includes a processor and a memory, where the memory stores a program or instructions executable on the processor, and the program or instructions, when executed by the processor, implement the steps of the method according to the second aspect.

In a fifth aspect, the present application provides a readable storage medium, on which a program or instructions are stored, which when executed by a processor implement the steps of the method according to the second aspect.

In a sixth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the method according to the second aspect.

In a seventh aspect, the present application provides a computer program product, which is stored in a storage medium and executed by at least one processor to implement the method according to the second aspect.

In an embodiment of the application, the electronic device comprises a flexible display screen, an elastic liquid storage bag and a first electromagnet; the elastic liquid storage bag is arranged in a folding area of the flexible display screen, and magnetic fluid is filled in the elastic liquid storage bag; the first electromagnet is arranged opposite to the elastic liquid storage bag, and the first electromagnet is positioned on one side of the elastic liquid storage bag, which is back to the flexible display screen; when the flexible display screen is in an unfolded state, the first electromagnet is electrified, and the magnetic fluid is converged to a region close to the first electromagnet under the action of a magnetic field generated by the first electromagnet so as to support the folding region. Through the scheme, the elastic liquid storage bag is arranged in the folding area of the flexible display screen, and the first electromagnet and the elastic liquid storage bag are arranged oppositely, so that when the flexible display screen is in an unfolding state, the first electromagnet can be electrified to generate a magnetic field so as to control the magnetic fluid in the elastic liquid storage bag to converge close to the first electromagnet under the action of the magnetic field, and the support of the folding area, especially the area corresponding to the folding central line, is realized. The obvious degree of the crease of the flexible display screen can be reduced, and therefore the crease of the flexible display screen is optimized.

Drawings

Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;

fig. 2 is a schematic diagram illustrating a connection between a flexible display screen and an elastic liquid storage bag in an electronic device according to an embodiment of the present disclosure;

fig. 3 is a second schematic diagram illustrating a connection between a flexible display and an elastic reservoir in an electronic device according to an embodiment of the present disclosure;

fig. 4 is one of schematic structural diagrams of a driving mechanism in an electronic device according to an embodiment of the present application;

fig. 5 is a second schematic structural diagram of a driving mechanism in an electronic device according to an embodiment of the present application;

fig. 6 is a second schematic structural diagram of an electronic device according to an embodiment of the present disclosure;

fig. 7 is a schematic connection diagram of two frames and two second electromagnets in an electronic device according to an embodiment of the present application;

fig. 8 is a third schematic structural diagram of an electronic device according to an embodiment of the present application;

fig. 9 is a fourth schematic structural diagram of an electronic device according to an embodiment of the present application;

FIG. 10 is a schematic flow chart of a control method provided by an embodiment of the present application;

fig. 11 is a schematic structural diagram of a control device according to an embodiment of the present application;

fig. 12 is a fifth schematic structural diagram of an electronic device according to an embodiment of the present application;

fig. 13 is a sixth schematic structural view of an electronic device according to an embodiment of the present application;

the reference numerals shown in figures 1 to 9 are as follows:

10. an electronic device; 11. a flexible display screen; 111. a folding area; 112. folding the center line; 12. an elastic reservoir; 13. a first electromagnet; 14. a magnetic fluid; 15. a first direction; 16. a drive mechanism; 17. a rotating shaft assembly; 18. a swing arm assembly; 181. swinging arms; 182. a door panel; 183. a connecting arm; 171. a rotating shaft bracket; 172. a first shaft cover; 173. a second shaft cover; 19. a second electromagnet; 20. a frame body; 21. a secondary screen; 22. a rear cover; 23. a synchronous gear set; 24. and a fixing member.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived from the embodiments in the present application by a person skilled in the art, are within the scope of protection of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The following description will exemplarily describe related terms in the embodiments of the present application.

Axis: generally refers to a straight line that divides a plane or solid into symmetrical parts. In other words, an axis refers to a straight line about which an object or a three-dimensional figure rotates or may be supposed to rotate. The axis is also called the central axis and sometimes called the centerline.

For example, a straight line on which the symmetry axis of the rectangular parallelepiped lies may be referred to as the axis of the rectangular parallelepiped.

Magnetic fluid: also called magnetic liquid, ferrofluid or magnetic liquid, is a liquid capable of bearing force in a magnetic field. The magnetic fluid has both the fluidity of liquid and the magnetism of solid magnetic material when in a magnetic field. The magnetic fluid is a stable colloidal liquid formed by mixing magnetic solid particles with the diameter of nanometer magnitude (below 10 nanometers), base carrier liquid (also called medium) and a surfactant. The fluid has no magnetic attraction in a static state, and shows magnetism when an external magnetic field acts.

The electronic device, the control method, the apparatus and the readable storage medium provided in the embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

In terms of the material characteristics of the current flexible display screen, the generation of the crease of the flexible display screen cannot be completely avoided, that is, the crease of the flexible display screen can only be made as unobvious as possible by the current folding technology, and cannot be completely removed. The reason why the crease of the flexible display screen cannot be completely removed is as follows:

1, in order to facilitate the folding of the flexible display screen, an accommodating space needs to be reserved in the middle of the inner side of the folding product, so that the folding area of the flexible display screen is located in the accommodating space after being folded.

2, because of the existence of assembly tolerance and the production tolerance of the hinge mechanism (namely a driving mechanism), a certain gap is designed and reserved between the hinge mechanism and the flexible display screen so as to avoid the problem of top printing caused by extrusion and high-top folding areas of the hinge mechanism.

3, after electronic equipment expandes, electronic equipment's flexible display screen is in the state of expanding, and the folding region of flexible display screen is unsettled because of the existence in accommodation space and clearance for the folding region is because of supporting not enough and leading to the crease to exist and aggravate, and further, the existence of crease leads to the folding region to press to experience relatively poorly.

Based on the above discussion it can be seen that: how to optimize the crease of the flexible display screen is a problem to be solved urgently at present.

The electronic equipment provided by the embodiment of the application can avoid crease generation when the flexible display screen is in the unfolded state. In the electronic device provided by the embodiment of the application, an elastic liquid storage bag can be arranged in the folding area of the flexible display screen, and magnetic fluid is filled in the elastic liquid storage bag; and an electromagnet (i.e. the first electromagnet in the embodiment of the present application) is arranged on one side of the elastic liquid storage bag, which is back to the flexible display screen, so that when the flexible display screen is in an unfolded state, if the electromagnet is energized, the electromagnet can generate a magnetic field, so that the magnetic fluid in the elastic liquid storage bag converges to an area close to the electromagnet, and the support of the folding area can be further realized. This may optimize the crease of the flexible display. It will be appreciated that the dimension of the electromagnet in a direction perpendicular to the folding centre line should be smaller than the dimension of the folding area in a direction perpendicular to the folding centre line.

Specifically, when the flexible display screen is in an unfolded state, if the electromagnet is electrified, the electromagnet is electrified to attract the magnetic fluid to be in the middle position, so that a gap between the screen and the driving mechanism is made up through the magnetic fluid, a support effect is achieved on a concave region (namely a region near a folding central line) of the flexible display screen, the screen crease is reduced, and the pressing experience is improved.

In addition, in order to avoid deepening the fold due to the flexible display screen in the folded state, the electronic device provided by the embodiment of the application may further include two second electromagnets, the two second electromagnets are disposed on a side of the elastic liquid storage bag facing away from the flexible display screen, the two second electromagnets are symmetrically disposed with respect to the folding center line, and a projection area of the two second electromagnets on the flexible display screen is within the folding area. So, when flexible display screen is in fold condition, if two second electromagnets circular telegrams, then the magnetic current body can be under the effect in the magnetic field that two second electromagnets produced, assembles to the region that is close to two second electromagnets to make the elasticity liquid reserve bag enclose out the accommodation space of fold area, thereby can avoid the crease of flexible display screen to deepen under fold condition.

Further, when the flexible display screen is in a folded state, if the two second electromagnets are electrified, the magnetic fluid is gathered to the area close to the two second electromagnets, so that the folded area can be subjected to the pulling force pointing to the two second electromagnets, namely, the magnetic fluid can pull the flexible display screen to the area where the two second electromagnets are located, the folding angle of the flexible display screen is too small, and the deepening of the crease of the flexible display screen can be avoided.

An embodiment of the present application provides an electronic device, and fig. 1 illustrates a schematic structural diagram of a possible electronic device 10 provided in an embodiment of the present application, and as shown in fig. 1, the electronic device 10 provided in an embodiment of the present application may include: a flexible display screen 11, an elastic liquid storage bag 12 and a first electromagnet 13.

The elastic liquid storage bag 12 is arranged in a folding area 111 of the flexible display screen 11, and the elastic liquid storage bag 12 is filled with magnetic fluid 14; the first electromagnet 13 is arranged opposite to the elastic liquid storage bag 12, and the first electromagnet 13 is positioned on one side of the elastic liquid storage bag 12, which is back to the flexible display screen 11.

In the case where the flexible display screen 11 is in the unfolded state, the first electromagnet 13 is energized, and the magnetic fluid 14 is converged to an area close to the first electromagnet 13 by a magnetic field generated by the first electromagnet 13 to support the folding area 111.

Alternatively, as shown in fig. 3, the first electromagnet 13 is symmetrical with respect to the folding centerline 112 of the flexible display screen 11. It can be seen that the axis of the projection area of the first electromagnet 13 on the flexible display screen 11 coincides with the folding center line 112 of the folding area 111. Here, "the axis of the projection area of the first electromagnet 13 on the flexible display screen 11 coincides with the folding center line 112 of the folding area 111" may be understood as: the axis is the same as the fold centerline.

In this way, the first electromagnet 13 is symmetrical with respect to the folding center line 112 of the flexible display screen 11, so that it is possible to ensure that the magnetic fluid is converged to the folding area when the first electromagnet is energized, and thus it is possible to realize support of the folding area.

Optionally, as shown in fig. 2 and 3 in combination, a size of the first electromagnet 13 along the first direction 15 is smaller than a size of the folding area 111 of the flexible display screen 11 along the first direction 15. Wherein the first direction 15 is parallel to the folding area 111 of the flexible display 11, and the first direction 15 is perpendicular to the folding center line 112 of the flexible display 11.

Therefore, the size of the first electromagnet in the first direction is smaller than that of the folding region in the first direction, and the magnetic fluid is enabled to be subjected to magnetic force pointing to the folding center line when the first electromagnet is powered on, so that the magnetic fluid in the elastic liquid storage bag is gathered towards the middle of the liquid storage bag as much as possible, the magnetic fluid near the folding center line is enabled to be the largest, and the folding region of the flexible screen can be supported, particularly the region corresponding to the center of the folding line, namely the region with the largest folding degree.

Alternatively, the first electromagnet may be an elongated electromagnet, and the first electromagnet extends along a folding centerline of the folding area.

Alternatively, the first electromagnet may be disposed on an axis of the resilient reservoir coinciding with the fold centerline. Alternatively, the first electromagnet may be provided on other components of the electronic device, for example the first electromagnet may be provided on a component of the electronic device that is disposed opposite the resilient reservoir.

Alternatively, the area of the resilient reservoir 12 in a plane parallel to the fold region 111 may be greater than or equal to the area of the fold region 111.

For example, as shown in fig. 3, the dimension of the resilient reservoir 12 in the first direction 15 is larger than the dimension of the fold area 111 in the first direction 15. As shown in fig. 3, the dimension of the resilient reservoir 12 along the folding centerline 112 is equal to the dimension of the folding area 111 along the folding centerline 112. This ensures that the area of the resilient reservoir 12 in a plane parallel to the fold region 111 is greater than or equal to the area of the fold region 111.

Optionally, the elastic reservoir 12 is an elastic film material. I.e. the size, shape of the elastic reservoir 12 is variable.

Alternatively, as shown in fig. 1, the electronic device 10 may further include two housings 20, two housings 20. The two frame bodies 20 are located on two sides of the folding center line 112 and are respectively connected with the surface of the flexible display screen 11 facing the elastic liquid storage bag 12.

Optionally, as shown in fig. 1, the electronic device 10 may further include a driving mechanism 16, and the driving mechanism 16 may be used for driving the flexible display screen 11 to fold and unfold. The driving mechanism 16 may be disposed on a side of the elastic reservoir 12 facing away from the flexible display screen 11, the driving mechanism 16 being opposite to the folding area 111 of the flexible display screen 11; wherein the first electromagnet 13 is arranged between the drive mechanism 16 and the folding area 111 of the flexible display screen 11.

Optionally, a projection area of the driving mechanism on the flexible display screen and a folding area of the flexible display screen may coincide; for example, the fold region may be within the projection region.

In the embodiment of the present application, the axis of the first electromagnet and the axis of the driving mechanism may coincide.

In this embodiment, the driving mechanism may be connected to the flexible display screen. Particularly, actuating mechanism can be connected with flexible display screen through two frameworks to when actuating mechanism during operation, actuating mechanism can drive two frameworks and rotate, thereby drives flexible display screen folding or expand.

Alternatively, as shown in fig. 4, the first electromagnet 13 may be disposed on the axis of the driving mechanism 16.

Therefore, the first electromagnet can be arranged on the driving mechanism which is arranged opposite to the elastic liquid storage bag, so that the connection reliability of the first electromagnet can be improved, and the first electromagnet is prevented from falling off in the unfolding or folding process of the flexible display screen.

Alternatively, the drive mechanism may be a hinge mechanism.

Alternatively, as shown in fig. 1 and 5, the driving mechanism 16 may include: the rotating shaft assembly 17 and two swing arm assemblies 18, wherein the two swing arm assemblies 18 are symmetrically arranged on the rotating shaft assembly 17. Wherein the first electromagnet 13 is provided on the rotating shaft assembly 17.

It can be appreciated that the pivot assembly is parallel to the folding centerline of the flexible display screen.

In the embodiment of the present application, two swing arm assemblies are respectively connected to one of the two frame bodies. Therefore, when the rotating shaft assembly rotates, the two swing arm assemblies can be driven to swing, so that the two frame bodies rotate, and the flexible display screen is driven to unfold or fold.

In the embodiment of the application, the position of the rotating shaft assembly in the electronic equipment can be kept unchanged.

Therefore, the first electromagnet can be arranged on the rotating shaft assembly, so that the connection reliability of the first electromagnet can be improved, and the first electromagnet is prevented from falling off in the unfolding or folding process of the flexible display screen; on the other hand, it is ensured that the relative positional relationship between the first electromagnet and the folding center line is substantially maintained. Thus, when the flexible display screen is in the unfolded state, the elastic liquid storage bag can reliably support the concave area (namely the folding area) of the flexible display screen.

Alternatively, as shown in fig. 1 and 5, the rotating shaft assembly 17 may include: a spindle bracket 171, a first spindle cover 172, and a second spindle cover 173. The first rotating shaft cover 172 and the second rotating shaft cover 173 are oppositely arranged, the first rotating shaft cover 172 is arranged towards the elastic liquid storage bag 12, and the rotating shaft bracket 171 is arranged between the first rotating shaft cover 172 and the second rotating shaft cover 173; the two swing arm assemblies 18 are symmetrically disposed on the rotation shaft support 171. Wherein the first electromagnet 13 is specifically arranged on the surface of the first shaft cover 172 facing the elastic reservoir 12.

Optionally, the first and second pivot covers remain stationary during the unfolding and folding of the flexible display screen.

In the embodiment of the application, the first rotating shaft cover and the second rotating shaft cover are used for protecting the rotating shaft bracket.

Alternatively, as shown in fig. 5, the first electromagnet 13 may be fixed on the surface of the first shaft cover 172 facing the elastic reservoir 12 by a fixing member 24.

Alternatively, the fixing member may be a screw, a pin, or the like.

Alternatively, a recess for accommodating the first electromagnet may be provided on a surface of the first shaft cover facing the elastic reservoir, and the first electromagnet may be mounted in the recess by a fixing member.

Therefore, the first electromagnet can be arranged on the surface (facing the first rotating shaft cover) of the driving mechanism closest to the elastic liquid storage bag, so that more magnetic fluids can be ensured to be in the magnetic field range generated by the first electromagnet, the magnetic fluids can be ensured to be gathered to the vicinity of the folding central line of the flexible display screen as much as possible, and the reliable support of the folding area is realized.

Optionally, each swing arm assembly may include at least two swing arms therein, the at least two swing arms being distributed along the axis of the pivot assembly.

Optionally, as shown in fig. 1 and 5, each swing arm assembly 18 may further include at least two door panels 182, and the at least two door panels 182 are the same as the at least two swing arms 181. Each swing arm 181 is drivingly connected to a door panel 182.

Alternatively, as shown in fig. 1 and 5, each swing arm assembly 18 may further include at least two connecting arms 183, and one swing arm 181 of each swing arm assembly 18 is connected to the rotating shaft bracket 171 through one connecting arm 183.

Optionally, when the flexible display screen is in a folded state, the first electromagnet may be powered off, so that the magnetic fluid is no longer subjected to magnetic force, and the flexible display screen may press the magnetic fluid to flow to an area away from the folding center line, so that the elastic reservoir gives way to the accommodation space for the folding area of the flexible display screen.

Optionally, in order to avoid an acting force (i.e. a pressing force) between the flexible display screen and the magnetic fluid, as shown in fig. 1 and fig. 6, the electronic device 10 provided in the embodiment of the present application may further include: two second electromagnets 19.

The two second electromagnets 19 may be arranged on the side of the elastic reservoir 12 facing away from the flexible display screen 11, and the two second electromagnets 19 are symmetrically arranged on both sides of the folding center line 112 of the flexible display screen.

When the flexible display screen 11 is in the folded state, the two second electromagnets 19 are energized, and the magnetic fluid 14 converges to the regions close to the two second electromagnets 19 respectively under the action of the magnetic fields generated by the two second electromagnets 19, so that the elastic liquid storage bag 12 encloses the accommodating space of the folded region 111.

It should be noted that, whether the flexible display screen is in the folded state or in the unfolded state, the projection area of each second electromagnet on the flexible display screen is in the folded area.

Optionally, a projection area of the second electromagnet on the flexible display screen is wholly or partially within the folding area. In particular, a projection area of the second electromagnet on the flexible display screen may be located at an edge area of the folding area.

Alternatively, the projection area of the second electromagnet on the flexible display screen may be beyond the folding area.

Optionally, a gap exists between the second electromagnet and the reservoir. Therefore, the second electromagnet can be prevented from rubbing the liquid storage bag, and the service life of the liquid storage bag can be shortened.

In the embodiment of the application, when the flexible display screen is in the unfolded state, the two second electromagnets are positioned on the same plane; when the flexible display screen is in the folded state, the two second electromagnets are in an opposite state, i.e. the two second electromagnets are symmetrically arranged with respect to the flexible display screen, i.e. the two second electromagnets are parallel.

Alternatively, as shown in fig. 6, the two second electromagnets 19 are respectively disposed in regions of the two frame bodies 20 near the folding center line 112. Thus, under the condition that the flexible display screen is in the folded state, the two second electromagnets avoid the middle area of the elastic liquid storage bag (namely the area of the liquid storage bag close to the folding central line of the flexible display screen), and the projection area of each second electromagnet on the flexible display screen is positioned at the edge of the folding area, so that when the two second electromagnets are electrified, the magnetic fluid in the elastic liquid storage bag can be attracted to converge towards the edge area of the elastic liquid storage bag.

Optionally, the two frames are respectively provided with a groove on the surface facing the flexible display screen, and the two second electromagnets are respectively arranged in the grooves of the two frames. In this way, the mounting of the two second electromagnets can be realized without increasing the size of the electronic device.

Referring to fig. 7 in conjunction with fig. 1, fig. 7 is a schematic view illustrating an assembly of two frame bodies 20 and two second electromagnets 19. Fig. 7 (a) is a schematic view of an assembly of one of the two frames 20 and one of the second electromagnets 19, and fig. 7 (b) is a schematic view of an assembly of the other of the two frames 20 and the other of the second electromagnets 19. As can be seen from fig. 7, two second electromagnets 19 are respectively mounted on the edges of the two frames 20.

Alternatively, as shown in fig. 7, the casing 20 shown in (a) of fig. 7 may be a left casing of the electronic apparatus, and the casing 20 shown in (b) of fig. 7 may be a right casing of the electronic apparatus.

It should be noted that the work flow of the first electromagnet and the two second electromagnets is as follows: under the condition that the flexible display screen is in a folded state, the two second electromagnets are electrified, and the first electromagnet is not electrified; when the flexible display screen is in the unfolded state, the two second electromagnets are not electrified, and the first electromagnet is electrified.

Optionally, as shown in fig. 1 and 6, the electronic device 10 may further include at least one of: a rear cover 22 and a sub-screen 21; the rear cover 22 may be disposed on a surface of one of the two frame bodies 20 facing away from the flexible display panel 11, and the sub-panel 21 may be disposed on a surface of the other of the two frame bodies 20 facing away from the flexible display panel 11.

Optionally, as shown in fig. 8 and 9, the electronic device 10 may further include a synchronous gear set 23, and the synchronous gear set 23 is in transmission connection with the driving assembly for controlling the two frames 20 to rotate synchronously.

It should be noted that the synchronous gear set may be disposed between the first rotating shaft cover and the second rotating shaft cover, and the synchronous gear set is disposed in the axial direction of the rotating shaft bracket.

Therefore, the two second electromagnets are symmetrically arranged on two sides of the folding central line, and the projection areas of the two second electromagnets on the flexible display screen are located in the folding areas, so that when the two second electromagnets are electrified, the magnetic fluid can automatically converge from the middle area to the two side areas of the elastic liquid storage bag under the action of magnetic fields generated by the two second electromagnets. Therefore, compared with the scheme that the magnetic fluid is converged towards the two side areas of the liquid storage bag under the extrusion of the flexible display screen, the magnetic field generated by the two second electromagnets is used for controlling the magnetic fluid to converge towards the two side areas of the liquid storage bag, so that the crease of the flexible display screen can be further prevented from being deepened.

The embodiment of the application also provides a control method, and the control method can be applied to the electronic equipment. Fig. 10 shows a possible flow chart of a control method provided by an embodiment of the present application, and as shown in fig. 10, the control method may include

steps

101 and 102 described below. The following description will take the electronic device as an example to execute the method.

Step 101, the electronic device detects the state of a flexible display screen in the electronic device.

Alternatively, the states of the flexible display may include a folded state and an unfolded state.

When the flexible display screen is in a folded state, a target included angle between screen areas on two sides of a folding central line of the flexible display screen is smaller than or equal to a preset angle; when the flexible display screen is in the unfolding state, the target angle is larger than the preset angle. For example, the preset angle may be 0 °, or an angle close to 0 °.

Alternatively, if the electronic device detects that the flexible screen is in the unfolded state, the electronic device may perform step 102 described below.

102, under the condition that the flexible display screen is in the unfolded state, the electronic device energizes a first electromagnet in the electronic device, so that the magnetic fluid contained in the elastic liquid storage bag of the electronic device is converged to an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet, so as to support the folded area of the flexible display screen.

Alternatively, the electronic device may energize the first electromagnet depending on the size of the target angle.

Specifically, the larger the target angle, the larger the current through the first electromagnet. I.e. the target angle is positively correlated to the current through the first electromagnet.

Alternatively, the step 102 may be specifically realized by the step 102a described below.

102a, under the condition that a flexible display screen in the electronic device is in an unfolded state, the electronic device energizes a first electromagnet in the electronic device, so that magnetic fluid contained in an elastic liquid storage bag of the electronic device converges towards an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet, so as to fill a gap between a folding area and a driving mechanism in the electronic device, and thus the folding area is supported. Therefore, the magnetic fluid can fill the gap between the folding area and the driving mechanism, so that the folding area can be effectively supported, and the crease of the flexible display screen can be reduced and optimized.

Therefore, when the flexible display screen is in an unfolded state, the first electromagnet can be electrified to generate a magnetic field so as to control the magnetic fluid in the elastic liquid storage bag to converge close to the first electromagnet under the action of the magnetic field, and thus, the support of a folding area, particularly an area corresponding to a folding central line, is realized. The obvious degree of the crease of the flexible display screen can be reduced, and therefore the crease of the flexible display screen is optimized.

Optionally, after the step 101, the control method provided in the embodiment of the present application may further include a step 103 described below.

103, under the condition that the flexible display screen is in a folded state, the electronic device energizes the two second electromagnets in the electronic device, so that the magnetic fluid is respectively converged towards the areas close to the two second electromagnets under the action of magnetic fields generated by the two second electromagnets, and the elastic liquid storage bag encloses an accommodating space of the folded area.

It should be noted that the work flow of the first electromagnet and the two second electromagnets is as follows: when the flexible display screen is in a folded state, the two second electromagnets are electrified, and the first electromagnet is not electrified; when the flexible display screen is in the unfolded state, the two second electromagnets are not electrified, and the first electromagnet is electrified.

So, under the condition that flexible display screen is in fold condition, owing to can be for two second electromagnets circular telegrams to can make the magnetic current body can be under the effect of the magnetic field that two second electromagnets produced, assemble to both sides region from the middle zone of elasticity reservoir automatically, consequently compare the scheme that the magnetic current body assembles to the both sides region of reservoir under the extrusion of flexible display screen, the magnetic field control magnetic current body that produces through two second electromagnets assembles to the both sides region of reservoir can further avoid the deepening of the crease of flexible display screen.

Further, when two second magnetic fluids are electrified, the folding area can be pulled by the pulling force pointing to the two second electromagnets, namely the magnetic fluids can pull the flexible display screen to the area where the two second electromagnets are located, so that the folding angle of the flexible display screen is too small, and the deepening of the crease of the flexible display screen can be avoided.

In the control method provided by the embodiment of the application, the execution main body can be a control device. In the embodiment of the present application, a control device is taken as an example to execute a control method, and a device for control provided in the embodiment of the present application is described.

A control device is further provided in an embodiment of the present application, fig. 11 shows a schematic structural diagram of a possible control device provided in an embodiment of the present application, and as shown in fig. 11, the control device 1000 may include: a detection module 1001 and a control module 1002.

The detection module 1001 is used for detecting the state of a flexible display screen in the electronic equipment;

the control module 1002 is configured to, when the detection module 1001 detects that the flexible display screen is in the unfolded state, energize a first electromagnet in the electronic device, so that magnetic fluid contained in an elastic fluid reservoir of the electronic device is gathered to an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet, so as to support a folded area of the flexible display screen.

In a possible manner, the control module 1002 is specifically configured to energize the electric first electromagnet when the flexible display screen is in the unfolded state, so that the magnetic fluid is gathered to an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet to fill a gap between the folding area and a driving mechanism of the electronic device, thereby supporting the folding area.

In a possible manner, the control module 1002 may be further configured to energize two second electromagnets in the electronic device when the detection module 1001 detects that the flexible display screen is in the folded state, so that the magnetic fluid converges to an area close to the two second electromagnets under the action of magnetic fields generated by the two second electromagnets, so that the elastic liquid storage bag encloses an accommodation space of the folded area.

Therefore, when the flexible display screen is in an unfolded state, the first electromagnet can be electrified to generate a magnetic field so as to control the magnetic fluid in the elastic liquid storage bag to converge towards the first electromagnet under the action of the magnetic field, and therefore the support of a folding area, particularly an area corresponding to a folding central line, is realized. The obvious degree of the crease of the flexible display screen can be reduced, and therefore the crease of the flexible display screen is optimized.

The control device in the embodiment of the present application may be an electronic device, or may be a component in an electronic device, such as an integrated circuit or a chip. The electronic device may be a terminal, or may be a device other than a terminal. The electronic Device may be, for example, a Mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic Device, a Mobile Internet Device (MID), an Augmented Reality (AR)/Virtual Reality (VR) Device, a robot, a wearable Device, an ultra-Mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and may also be a server, a Network Attached Storage (Network Attached Storage, NAS), a personal computer (NAS), a Television (TV), a teller machine, a self-service machine, and the like, and the embodiments of the present application are not limited in particular.

The control device in the embodiment of the present application may be a device having an operating system. The operating system may be an Android operating system, an ios operating system, or other possible operating systems, which is not specifically limited in the embodiment of the present application.

The control device provided in the embodiment of the present application can implement each process implemented in the method embodiment of 10, and is not described here again to avoid repetition.

Optionally, as shown in fig. 12, an electronic device 1200 is further provided in an embodiment of the present application, and includes a processor 1201 and a memory 1202, where the memory 1202 stores a program or an instruction that can be executed on the processor 1201, and when the program or the instruction is executed by the processor 1201, the steps of the control method embodiment are implemented, and the same technical effect can be achieved, and no repeated description is provided here to avoid repetition.

It should be noted that the electronic device in the embodiment of the present application includes the mobile electronic device and the non-mobile electronic device described above.

Fig. 13 is a schematic hardware structure diagram of an electronic device implementing an embodiment of the present application.

The electronic device 1300 includes, but is not limited to: a radio frequency unit 1301, a network module 1302, an audio output unit 1303, an input unit 1304, a sensor 1305, a display unit 1306, a user input unit 1307, an interface unit 1308, a memory 1309, a processor 1310, and the like.

Those skilled in the art will appreciate that terminal 1300 may further include a power supply (e.g., a battery) for supplying power to various components, which may be logically connected to processor 1310 via a power management system, thereby performing functions such as managing charging, discharging, and power consumption via the power management system. The terminal structure shown in fig. 13 does not constitute a limitation of the terminal, and the terminal may include more or less components than those shown, or combine some components, or have a different arrangement of components, and thus will not be described again.

The processor 1310 is configured to detect a state of a flexible display screen in the electronic device;

a processor 1310 configured to energize the first electromagnet in the electronic device when the flexible display screen is detected to be in the unfolded state, so that the magnetic fluid contained in the elastic reservoir of the electronic device is converged toward an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet to support the folded area of the flexible display screen.

In a possible manner, the processor 1310 is specifically configured to energize the electric first electromagnet when the flexible display screen is in the unfolded state, so that the magnetic fluid is gathered to the area close to the first electromagnet under the action of the magnetic field generated by the first electromagnet, so as to fill the gap between the folding area and the driving mechanism of the electronic device, thereby supporting the folding area.

In a possible manner, the processor 1310 may be further configured to energize the two second electromagnets in the electronic device when the flexible display screen is detected to be in the folded state, so that the magnetic fluid converges to an area close to the two second electromagnets under the action of magnetic fields generated by the two second electromagnets, so that the elastic reservoir encloses the accommodating space of the folded area.

It should be understood that in the embodiment of the present application, the input Unit 1304 may include a Graphics Processing Unit (GPU) 13041 and a microphone 13042, and the Graphics processor 13041 processes image data of still pictures or videos obtained by an image capturing apparatus (such as a camera) in a video capturing mode or an image capturing mode. The display unit 1306 may include a display panel 13061, and the display panel 13061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1307 includes a touch panel 13071 and at least one of other input devices 13072. A touch panel 13071, also referred to as a touch screen. The touch panel 13071 may include two parts of a touch detection device and a touch controller. Other input devices 13072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.

The memory 1309 may be used to store software programs as well as various data. The memory 1309 may mainly include a first storage area storing programs or instructions and a second storage area storing data, wherein the first storage area may store an operating system, application programs or instructions required for at least one function (such as a sound playing function, an image playing function, etc.), and the like. Further, memory 1309 can comprise volatile memory or nonvolatile memory, or memory 1309 can comprise both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. The volatile Memory may be a Random Access Memory (RAM), a Static Random Access Memory (Static RAM, SRAM), a Dynamic Random Access Memory (Dynamic RAM, DRAM), a Synchronous Dynamic Random Access Memory (Synchronous DRAM, SDRAM), a Double Data Rate Synchronous Dynamic Random Access Memory (Double Data Rate SDRAM, ddr SDRAM), an Enhanced Synchronous SDRAM (ESDRAM), a Synchronous Link DRAM (SLDRAM), and a Direct Memory bus RAM (DRRAM). Memory 109 in the embodiments of the subject application includes, but is not limited to, these and any other suitable types of memory.

Processor 1310 may include one or more processing units; optionally, the processor 1310 integrates an application processor, which mainly handles operations related to the operating system, user interface, application programs, etc., and a modem processor, which mainly handles wireless communication signals, such as a baseband processor. It will be appreciated that the modem processor described above may not be integrated into processor 1310.

The embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored, and when the program or the instruction is executed by a processor, the program or the instruction implements the processes of the foregoing control method embodiment, and can achieve the same technical effects, and in order to avoid repetition, details are not repeated here.

The processor is the processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read only memory ROM, a random access memory RAM, a magnetic or optical disk, and the like.

The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the above control method embodiment, and can achieve the same technical effect, and for avoiding repetition, the details are not repeated here.

It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-on-chip, system-on-chip or system-on-chip, etc.

Embodiments of the present application provide a computer program product, where the program product is stored in a storage medium, and the program product is executed by at least one processor to implement the processes of the foregoing control method embodiments, and achieve the same technical effects, and in order to avoid repetition, details are not described here again.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one of 8230, and" comprising 8230does not exclude the presence of additional like elements in a process, method, article, or apparatus comprising the element. Further, it should be noted that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions recited, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present application.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An electronic device, characterized in that the electronic device comprises: the flexible display screen, the elastic liquid storage bag and the first electromagnet;

the elastic liquid storage bag is arranged in a folding area of the flexible display screen and is filled with magnetic fluid;

the first electromagnet is arranged opposite to the elastic liquid storage bag, and the first electromagnet is positioned on one side, back to the flexible display screen, of the elastic liquid storage bag;

when the flexible display screen is in an unfolded state, the first electromagnet is electrified, and the magnetic fluid is converged to a region close to the first electromagnet under the action of a magnetic field generated by the first electromagnet so as to support the folding region.

2. The electronic device of claim 1, further comprising a driving mechanism for driving the flexible display screen to fold and unfold;

the driving mechanism is arranged on one side, back to the flexible display screen, of the elastic liquid storage bag, the driving mechanism is opposite to the folding area, and the first electromagnet is arranged between the driving mechanism and the folding area.

3. The electronic device of claim 2, wherein the drive mechanism comprises: the two swing arm assemblies are symmetrically arranged on the rotating shaft assembly;

wherein the first electromagnet is disposed on the spindle assembly.

4. The electronic device of claim 3, wherein the pivot assembly comprises: the rotating shaft bracket comprises a first rotating shaft cover and a second rotating shaft cover;

the first rotating shaft cover and the second rotating shaft cover are oppositely arranged, the first rotating shaft cover is arranged towards the elastic liquid storage bag, and the rotating shaft support is arranged between the first rotating shaft cover and the second rotating shaft cover; the two swing arm assemblies are symmetrically arranged on the rotating shaft bracket;

wherein the first electromagnet is particularly arranged on the surface of the first rotating shaft cover facing the elastic liquid storage bag.

5. The electronic device of claim 1, wherein the first electromagnet is symmetrical with respect to a fold centerline of the flexible display screen;

and/or the presence of a gas in the gas,

a dimension of the first electromagnet in a first direction is smaller than a dimension of the folded region in the first direction; the first direction is parallel to the folding area, and the first direction is perpendicular to the folding central line of the flexible display screen.

6. The electronic device of any of claims 1-5, further comprising: two second electromagnets;

the two second electromagnets are arranged on one side, back to the flexible display screen, of the elastic liquid storage bag, and the two second electromagnets are symmetrically arranged on two sides of a folding center line of the flexible display screen;

under the condition that the flexible display screen is in a folded state, the two second electromagnets are electrified, and the magnetic fluid is respectively gathered to the areas close to the two second electromagnets under the action of the magnetic fields generated by the two second electromagnets so that the elastic liquid storage bags enclose the accommodating space of the folded area.

7. The electronic device of claim 6, further comprising: two frame bodies;

the two frame bodies are positioned on two sides of the folding central line and are respectively connected with the surface of the flexible display screen facing the elastic liquid storage bag;

wherein the two second electromagnets are respectively arranged in the areas of the two frame bodies close to the folding center line.

8. A control method applied to an electronic apparatus according to any one of claims 1 to 7, the method comprising:

when a flexible display screen in the electronic device is in an unfolded state, a first electromagnet in the electronic device is energized, so that magnetic fluid contained in an elastic liquid storage bag of the electronic device is converged to an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet to support a folding area of the flexible display screen.

9. The method according to claim 8, wherein the energizing a first electromagnet in the electronic device with a flexible display screen in an unfolded state in the electronic device, so that a magnetic fluid contained in an elastic reservoir of the electronic device converges to an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet to support a folded area of the flexible display screen, comprises:

and under the condition that the flexible display screen is in an unfolded state, energizing the first electromagnet, so that the magnetic fluid is gathered towards a region close to the first electromagnet under the action of a magnetic field generated by the first electromagnet to fill a gap between the folding region and a driving mechanism in the electronic device, thereby supporting the folding region.

10. The method according to claim 8 or 9, characterized in that the method further comprises:

under the condition that the flexible display screen is in a folded state, two second electromagnets in the electronic equipment are electrified, so that the magnetic fluid is converged to the areas close to the two second electromagnets respectively under the action of magnetic fields generated by the two second electromagnets, and the elastic liquid storage bag surrounds out the accommodating space of the folded area.

11. A control device, characterized in that the control device comprises: the device comprises a detection module and a control module;

the detection module is used for detecting the state of a flexible display screen in the electronic equipment;

the control module is used for electrifying a first electromagnet in the electronic equipment under the condition that the detection module detects that the flexible display screen is in the unfolded state, so that the magnetic fluid contained in the elastic liquid storage bag of the electronic equipment is gathered to an area close to the first electromagnet under the action of a magnetic field generated by the first electromagnet, and the folded area of the flexible display screen is supported.