CN111831060B

CN111831060B - Mobile terminal, screen control method, device and storage medium

Info

Publication number: CN111831060B
Application number: CN201910320182.3A
Authority: CN
Inventors: 韩高才
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Filing date: 2019-04-19
Publication date: 2024-04-26
Anticipated expiration: 2039-04-19

Abstract

The present disclosure provides a mobile terminal, a screen control method, a device and a storage medium. The mobile terminal includes: the display screen, the support frame, the first side shell, the first scroll, the first disc-shaped cam component and the first driving component; the display screen is arranged on the supporting frame, and the first side edge part of the display screen is made of flexible materials; the first scroll is arranged in a cavity in the first side shell, and the first side part of the display screen circumferentially surrounds the first scroll; a first cam placing part is formed on one side, connected with the first side shell, of the supporting frame, and the first disc-shaped cam assembly is arranged in the first cam placing part; the first drive assembly is coupled to the shaft of the first disc cam assembly by a first telescoping member. The mobile terminal provided by the embodiment of the disclosure realizes automatic expansion or contraction of the flexible display screen, does not need manual operation of a user, and has high convenience.

Description

Mobile terminal, screen control method, device and storage medium

Technical Field

The embodiment of the disclosure relates to the technical field of terminals, in particular to a mobile terminal, a screen control method, a screen control device and a storage medium.

Background

With the development of terminal technology, flexible display screens have emerged. Flexible display screens are widely used because of their ability to bend and deform.

In the related art, a foldable display screen is a main application form of a flexible display screen. When the user wants to use a larger display screen, the user can manually expand the screen; when the user wants to use the normal display screen, the user can manually fold the unfolded screen back.

However, the unfolding and folding of the display screen in the above related art require manual operations by a user, and the convenience is poor.

Disclosure of Invention

The embodiment of the disclosure provides a mobile terminal, a screen control method, a screen control device and a storage medium. The technical scheme is as follows:

According to a first aspect of embodiments of the present disclosure, there is provided a mobile terminal including: the display screen, the support frame, the first side shell, the first scroll, the first disc-shaped cam component and the first driving component;

The display screen is arranged on the supporting frame, and the first side edge part of the display screen is made of flexible materials;

The first scroll is arranged in a cavity in the first side shell, and the first side part of the display screen circumferentially surrounds the first scroll;

A first cam placement part is formed on one side, connected with the first side shell, of the support frame, and the first disc-shaped cam assembly is arranged in the first cam placement part;

the first drive assembly is coupled to the shaft of the first disc cam assembly by a first telescoping member.

Optionally, during the unfolding process, the first driving assembly drives the first telescopic component to push the first disc-shaped cam assembly outwards, so that the first disc-shaped cam assembly pushes the first side shell outwards, and the first side part of the display screen is unfolded around the first scroll shaft;

During retraction, the first drive assembly drives the first telescoping member to pull the first disc cam assembly inwardly to retract the first side housing inwardly and the first side portion of the display screen is retracted about the first spool.

Optionally, during the deployment, the first disc-shaped cam assembly changes from a first state to a second state;

during the collapsing, the first disc-shaped cam assembly is changed from the second state to the first state;

The first state is a state in which a first side edge of the first disc-shaped cam assembly is attached to an inner wall of the first cam placement portion, and a second side edge of the first disc-shaped cam assembly is not attached to the back surface of the display screen; the second state is a state in which the second side edge of the first disc-shaped cam assembly is attached to the back surface of the display screen, and the first side edge of the first disc-shaped cam assembly is not attached to the inner wall of the first cam placement portion.

Optionally, the outer wall of the first disc-shaped cam assembly is formed with first rolling teeth, the inner wall of the first cam placement part is formed with second rolling teeth, and the first rolling teeth are matched with the second rolling teeth.

Optionally, a concave table part is formed at the bottom of the first side shell;

the bottom of one side of the support frame, which is connected with the first side shell, is provided with a boss part which is matched with the concave table part.

Optionally, a camera is arranged on the concave table portion.

Optionally, the mobile terminal further comprises a limiting mechanism;

the limiting mechanism is used for limiting the maximum displacement of the first side shell in the process that the first side part of the display screen is unfolded along the first scroll.

Optionally, the mobile terminal further includes: a second side housing, a second spool, a second disc cam assembly, and a second drive assembly;

a second side portion of the display screen opposite the first side portion is made of a flexible material;

the second scroll is arranged in a cavity in the second side shell, and a second side part of the display screen circumferentially surrounds the second scroll;

A second cam placing part is formed on one side, connected with the second side shell, of the supporting frame, and the second disc cam assembly is arranged in the second cam placing part;

the second drive assembly is coupled to the shaft of the second disc cam assembly by a second telescoping member.

According to a second aspect of embodiments of the present disclosure, there is provided a screen control method applied to the mobile terminal according to the first aspect, the method including:

receiving a screen unfolding instruction;

According to the screen unfolding instruction, the first driving assembly is controlled to drive the first telescopic component to push the first disc-shaped cam assembly outwards, so that the first disc-shaped cam assembly pushes the first side shell outwards, and the first side part of the display screen is unfolded around the first scroll.

Optionally, the method further comprises:

Receiving a screen contraction instruction;

And controlling the first driving assembly to drive the first telescopic component to inwards pull the first disc-shaped cam assembly according to the screen contraction instruction so as to enable the first side shell to inwards contract, and enabling the first side part of the display screen to contract around the first scroll.

According to a third aspect of embodiments of the present disclosure, there is provided a screen control device, applied to the mobile terminal according to the first aspect, the device including:

the display device comprises a display instruction receiving module, a display instruction receiving module and a display instruction processing module, wherein the display instruction receiving module is configured to receive a screen display instruction;

And the screen unfolding module is configured to control the first driving assembly to drive the first telescopic component to push the first disc-shaped cam assembly outwards according to the screen unfolding instruction so that the first disc-shaped cam assembly pushes the first side shell outwards, and the first side part of the display screen is unfolded around the first scroll.

Optionally, the apparatus further comprises:

A contraction instruction receiving module configured to receive a screen contraction instruction;

and the screen shrinkage module is configured to control the first driving assembly to drive the first telescopic component to inwards pull the first disc-shaped cam assembly according to the screen shrinkage instruction so as to enable the first side shell to inwards shrink, and the first side part of the display screen is shrunk around the first scroll.

According to a fourth aspect of embodiments of the present disclosure, there is provided a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method according to the second aspect.

The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:

Through set up drive assembly, disk cam subassembly and telescopic part in mobile terminal inside, control drive assembly drive telescopic part promotes or pulls disk cam subassembly, further promotes or pulls the side casing for flexible display screen expands or contracts round the spool, thereby realizes flexible display screen's automatic expansion or shrink, need not user manual operation, and the convenience is high.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic diagram illustrating a structure of a mobile terminal according to an exemplary embodiment;

FIG. 2 is a schematic illustration of an exemplary configuration of a drive assembly coupled to a cam disc assembly;

Fig. 3 is a schematic structural view of a mobile terminal according to another exemplary embodiment;

FIG. 4 is a flowchart illustrating a screen control method according to an exemplary embodiment;

FIG. 5 is a flowchart illustrating a screen control method according to another exemplary embodiment;

FIG. 6 is a block diagram of a screen control device according to an exemplary embodiment;

FIG. 7 is a block diagram of a screen control device according to an exemplary embodiment

Fig. 8 is a block diagram of a mobile terminal according to an exemplary embodiment.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.

With recent development of display technology, flexible display technology is getting more and more attention. Compared with the traditional display screen, the flexible display screen is lighter and thinner in size, power consumption can be correspondingly reduced, and the cruising ability of the mobile terminal can be improved; meanwhile, the display requirement of high resolution and large size is not contradictory with the portability of the mobile terminal due to the characteristics of the mobile terminal such as bending property and good flexibility.

The mobile terminal can be an electronic device such as a smart phone, a tablet computer, an electronic book reader, a game machine, a wearable device and the like.

Fig. 1 is a schematic diagram illustrating a structure of a mobile terminal according to an exemplary embodiment. The mobile terminal may include: the display screen 10, the support frame 20, the first side housing 30, the first reel 40, the first disk cam assembly 50, and the first driving assembly.

Wherein the display screen 10 is disposed on the support frame 20, and a first side portion of the display screen 10 is made of a flexible material.

The display screen 10 described above is used to display images and colors. Optionally, the display screen 10 is a touch display screen, and the touch display screen has a function of receiving a touch operation (such as clicking, sliding, pressing, etc.) of a user in addition to a display function. Alternatively, the display screen 10 may be an OLED (Organic Light-Emitting Diode) screen.

Illustratively, the display screen 10 includes a first side portion and other portions. The first side portion may be made of a flexible material and the other portions may be made of a flexible material or a rigid material. When the other portions are made of a flexible material, the display 10 is formed as a complete flexible display. The flexible material can be made of plastic, and a protective film is stuck on the back of the display screen by means of a film packaging technology, so that the display screen can become flexible and deformed, and the screen shape is changed. The film packaging technology generally uses plastic as a base material, and forms a water vapor barrier film on a substrate by using an electrodeless oxide.

The support frame 20 is a main body frame of the mobile terminal, also referred to as a body. The support frame 20 is generally in the shape of a hexahedron, some of which may be formed with arc-shaped chamfers. The front face of the support frame 20 is generally rounded or rectangular. In the disclosed embodiment, the support frame 20 may be used to support the display screen 10. The support frame 20 may also house a main chip and other major components inside.

The first reel 40 is disposed in a cavity in the first side housing 30, and the first side portion of the display screen 10 is circumferentially surrounded along the first reel 40. The first reel 40 has a self-contraction capability, and can be automatically contracted without an external force.

The outer profile of the first side housing 30 may be U-shaped, with a cavity provided in the first side housing 30 to accommodate the first spool 40. The first side housing 30 is further provided with an opening at a position where the cavity is provided, through which the first side portion of the display screen 10 circumferentially surrounds the first reel 40.

Optionally, the end of the first side portion of the display screen 10 is secured to the first reel 40. For example, the end of the first side portion of the display screen 10 and the first reel 40 may be fixed with glue, or the end of the first side portion of the display screen 10 and the first reel 40 may be fixed in a board-to-board flattened manner. The embodiment of the present disclosure is not limited to the manner in which the end of the first side portion of the display screen 10 is fixed to the first reel 40.

In order to avoid the phenomenon that the surface of the display screen 10 is damaged due to friction between the first side portion of the display screen 10 and the side wall of the cavity in the telescoping process, a safety gap is reserved between the first side portion of the display screen 10 and the side wall of the cavity, so as to prevent friction between the first side portion of the display screen 10 and the side wall of the cavity.

Alternatively, a first cam receiving portion 21 is formed at a side of the support frame 20 contacting the first side case 30, and the first disc-shaped cam assembly 50 is disposed in the first cam receiving portion 21.

Referring in combination to fig. 2, the first drive assembly 60 is coupled to the shaft of the first disc cam assembly 50 by a first telescoping member 61.

Alternatively, the first telescopic member 61 may be a screw, a stud, a worm, or the like, which has telescopic performance, and the embodiment of the present disclosure is not limited thereto. The first telescopic member 61 has a first screw thread and a second screw thread formed at both ends thereof, the first driving assembly 60 has a first screw thread formed thereon, the first disc cam assembly 50 has a second screw thread formed thereon, and the first screw thread is adapted to the first screw thread, and the second screw thread is adapted to the second screw thread.

In the disclosed embodiment, the first drive assembly 60 may be an electric drive assembly capable of converting electrical energy into mechanical energy. The first driving assembly is provided inside the mobile terminal, and drives the first telescopic member 61 to push or pull outwardly according to a user operation acquired on the display screen 10. Alternatively, the first drive assembly 60 is a motor.

Referring to fig. 1 and 2 in combination, during the unfolding process, the first driving assembly 60 drives the first telescopic member 61 to push the first disc-shaped cam assembly 50 outwards, so that the first disc-shaped cam assembly 50 pushes the first side housing 30 outwards, and the first side portion of the display screen 10 is unfolded around the first reel 40.

When the first side portion of the display screen 10 is in the unfolded state, the display area of the mobile terminal 10 increases. The technical scheme provided by the embodiment of the disclosure increases the screen display area of the mobile terminal on the basis of convenient carrying of the mobile terminal.

Optionally, during deployment, the first disc-cam assembly 50 changes from the first state to the second state. As shown in fig. 1, the first state refers to a state in which the first side edge 51 of the first disc-shaped cam assembly 50 is attached to the inner wall of the first cam placement portion 21, and the second side edge 52 of the first disc-shaped cam assembly 50 is not attached to the back surface of the display screen 10; the second state refers to a state in which the second side edge 52 of the first disk cam unit 50 is attached to the back surface of the display screen 10, and the first side edge 51 of the first disk cam unit 50 is not attached to the inner wall of the first cam accommodating portion 21.

It should be noted that the first disc-shaped cam assembly may also function to support the display screen when in the second state.

Referring to fig. 1 and 2 in combination, during retraction, the first drive assembly 60 drives the first telescoping member 61 to pull the first disc cam assembly 50 inwardly to retract the first side housing 30 inwardly and the first side portion of the display screen 10 is retracted about the first reel 40.

Alternatively, referring to FIG. 1 in combination, during retraction, the first disc cam assembly 50 changes from the second state to the first state. The first state and the second state are described above, and are not described herein.

Alternatively, referring to fig. 1 in combination, the first disc-shaped cam assembly 50 has the first rolling teeth 53 formed on the outer wall thereof, the second rolling teeth 23 formed on the inner wall of the first cam receiving portion 21, and the first rolling teeth 53 are fitted with the second rolling teeth 23.

During deployment, the first drive assembly 60 pushes the first disc-shaped cam assembly 50 outwardly, and when the first rolling teeth 53 on the outer wall of the first disc-shaped cam assembly 50 are in associated contact with the second rolling teeth 23 on the inner wall of the first cam placement 21, the first disc-shaped cam assembly 50 begins to rotate outwardly along the second rolling teeth 23 until the display screen 10 stops deployment when rotated to the second state. Conversely, during retraction, the first drive assembly 60 pulls the first disc cam assembly 50 inwardly, and as the first disc cam assembly 50 rotates inwardly along the second rolling teeth 23, the display screen 10 stops retracting until the first rolling teeth 53 are rotated to disengage from the second rolling teeth 23 to the first state.

Alternatively, referring to fig. 1 in combination, the bottom of the first side case 30 is formed with a concave stage portion 31; the bottom of the support frame 20 on the side where it is connected to the first side case 30 is formed with a boss portion 22 that is fitted to the recess portion 31.

Optionally, a camera is provided on the concave portion 31. When photographing, the first side part of the display screen 10 is unfolded, and the mobile terminal exposes the camera to meet the photographing requirement of the user. Through setting up the camera inside mobile terminal for the camera is not exposed at ordinary times, can play the guard action to the camera.

Optionally, the mobile terminal further comprises a limiting mechanism; the limiting mechanism is used to limit the maximum displacement of the first side housing 30 during the unwinding of the first side portion of the display along the first reel 40. In this way, the first side case 30 is prevented from being displaced too much, and the screen is prevented from being damaged due to too much stretching.

The above-mentioned stop mechanism may be a locating pin, a locating screw, a hall assembly, etc., which is not limited by the embodiments of the present disclosure.

In some exemplary embodiments, when the limiting mechanism is a locating pin or a locating screw, etc., the limiting mechanism may be disposed on the boss portion 22 of the support frame 20 to limit the continued rotation of the first disc-shaped cam assembly 50 after being in the second state such that the first side housing 30 cannot continue to move away from the support frame and the first side portion of the display screen 10 will cease to be unfolded.

In other exemplary embodiments, the spacing mechanism may include a magnetic element and a hall sensor. The magnetic elements may include permanent magnetic elements and soft magnetic elements; the hall sensor is a magnetic field sensor made according to the hall effect. In the disclosed embodiment, the hall sensor may indirectly measure the displacement between the magnetic element and the hall sensor, i.e., the displacement between the support frame 20 and the first side housing 30. Alternatively, the magnetic element is disposed on the support frame 20, and the hall sensor is disposed on the first side case 30; or the magnetic element is provided on the first side case 30 and the hall sensor is provided on the support frame 20. When the displacement between the support frame 20 and the first side frame housing 30 is greater than a preset threshold, the mobile terminal controls the first driving assembly 60 to stop working, so that the first side frame housing 30 stops moving, and the first side portion of the display screen 10 stops unfolding.

Through setting up stop gear in mobile terminal, the protection display screen 10 that can be fine avoids the display screen 10 to lead to the damage problem because of excessive expansion.

Of course, the limiting function of the limiting mechanism can be also achieved by providing the telescopic length of the first telescopic member 61.

In summary, in the technical scheme provided by the embodiment of the disclosure, by arranging the driving assembly, the disc cam assembly and the telescopic component inside the mobile terminal, the driving assembly is controlled to drive the telescopic component to push or pull the disc cam assembly, and further push or pull the side shell, so that the flexible display screen is unfolded or contracted around the scroll, automatic unfolding or contraction of the flexible display screen is realized, manual operation of a user is not needed, and convenience is high.

In addition, when the first disc-shaped cam assembly is in the second state, the first disc-shaped cam may also function to support the display screen, thereby protecting the flexible display screen.

In addition, through setting up the camera inside mobile terminal for the camera is not exposed at ordinary times, can play the guard action to the camera.

Fig. 3 is a schematic structural view of a mobile terminal according to another exemplary embodiment. The mobile terminal includes: the display screen 10, the support frame 20, the first side case 30, the first reel 40, the first disc cam assembly 50, the first driving assembly, the second side case 300, the second reel 400, the second disc cam assembly 500, and the second driving assembly.

The display screen 10, the support frame 20, the first side housing 30, the first reel 40, the first disc-shaped cam assembly 50, and the first driving assembly are described in the above embodiments, and will not be described herein.

A second side portion of the display 10 opposite the first side portion is made of a flexible material, i.e. the second side portion of the display 10 is a flexible display.

Illustratively, the display screen 10 includes a first side portion, a second side portion, and a middle portion. The first side portion and the second side portion are made of a flexible material; the intermediate portion may be made of a flexible material or may be made of a rigid material. When the intermediate portion is made of a flexible material, the display 10 is formed as a complete flexible display.

The second reel 400 is disposed in the cavity in the second side case 300, and the second side portion of the display screen 10 is circumferentially wound around the second reel 400.

The outer profile of the second side case 300 may have a U shape, and a cavity is provided in the second side case 300 to accommodate the second reel 400. The second side case 300 is further provided with an opening at a position where the cavity is provided, through which the second side portion of the display screen 10 is circumferentially wound around the second reel 400.

Optionally, the end of the second side portion of the display screen 10 is secured to the second reel 400. For example, the end of the second side portion of the display screen 10 and the second reel 400 may be fixed with glue, or the end of the second side portion of the display screen 10 and the second reel 400 may be fixed in a board-to-board flattened manner. The embodiment of the present disclosure is not limited to the manner in which the end of the second side portion of the display screen 10 is fixed to the second reel 400.

In order to avoid the phenomenon that the second side portion of the display screen 10 is damaged due to friction with the cavity sidewall during the expansion process, a safety gap is reserved between the second side portion of the display screen 10 and the cavity sidewall to prevent friction between the second side portion of the display screen 10 and the cavity sidewall.

Alternatively, a second cam receiving portion 210 is formed at a side of the support frame 20 where the second side case 300 is connected, and the second disc cam assembly 500 is disposed in the second cam receiving portion 210.

The second drive assembly is coupled to the shaft of the second cam disc assembly 500 by a second telescoping member. The connection of the second driving set to the second cam disc assembly 500 is shown in fig. 2, and will not be described herein.

Alternatively, the second telescopic member may be a screw, a stud, a worm, or the like, which has telescopic performance, and the embodiment of the present disclosure is not limited thereto.

During the unfolding process, the second driving assembly drives the second telescopic member to push the second disc cam assembly 500 outwards, so that the second disc cam assembly 500 pushes the second side case 300 outwards, and the second side portion of the display screen 10 is unfolded around the second reel 400.

Alternatively, referring to FIG. 3 in combination, during deployment, the second cam disc assembly 500 changes from the third state to the fourth state. The third state refers to a state in which the third side edge 510 of the second cam disc assembly 500 is attached to the inner wall of the second cam accommodating portion 210, and the fourth side edge 520 of the second cam disc assembly 500 is not attached to the back surface of the display screen 10; the fourth state refers to a state in which the third side edge 520 of the second cam disc assembly 500 is attached to the rear surface of the display screen 10 and the third side edge 510 of the second cam disc assembly 500 is not attached to the inner wall of the second cam receiving portion 210.

During retraction, the second driving assembly drives the second telescoping member to pull the second disc cam assembly 500 inwardly to retract the second side housing 300 inwardly and the second side portion of the display screen 10 is retracted about the second reel 400.

Alternatively, referring to FIG. 3 in combination, during retraction, the second cam disc assembly 500 changes from the third state to the fourth state. The third state and the fourth state are described above, and are not described herein.

Optionally, referring to fig. 3 in combination, a third rolling tooth 530 is formed on an outer wall of the second cam disc assembly 500, a fourth rolling tooth 230 is formed on an inner wall of the second cam accommodating part 210, and the third rolling tooth 530 is adapted to the fourth rolling tooth 230.

For further description of the expansion and contraction process of the second side portion of the display screen 10, reference is made to the description of the expansion and contraction process of the first side portion of the display screen 10, which is not repeated here.

Alternatively, referring to fig. 3 in combination, the bottom of the second side case 300 is formed with a concave stage portion 310; the bottom of the support frame 20 at the side where it is connected to the second side case 300 is formed with a boss portion 220 adapted to the recess portion 310. It should be noted that, the first side portion and the second side portion of the display screen 10 may be unfolded at the same time, and the display area is the largest at this time; of course, the first side portion of the display screen 10 may be unfolded and the second side portion may be contracted; or the first side portion of the display 10 may be contracted and the second side portion may be expanded. The expansion or contraction of the display screen 10 is determined by the display requirements of the user, and the first side portion and the second side portion can be simultaneously expanded when the user wants the maximum display area. According to the technical scheme provided by the embodiment of the disclosure, the display forms are diversified.

To sum up, in the technical scheme provided by the embodiment of the disclosure, through setting up both sides drive assembly and telescopic part, increased display area, the display form is diversified, can be better satisfy user's display demand.

Fig. 4 is a flowchart illustrating a screen control method according to an exemplary embodiment. In this embodiment, the method is mainly applied to the mobile terminal described above. The method may comprise the following steps (401-404):

in step 401, a screen expansion instruction is received.

The screen expansion instruction is an operation instruction for expanding the display screen. The screen unfolding instruction can be triggered by a system interaction button in the display screen, or can be triggered by an entity or a touch key arranged on the mobile terminal, and in other possible implementation manners, the screen unfolding instruction can be triggered by voice and gesture of a user. The embodiment of the disclosure does not limit the triggering mode of the screen expanding instruction.

In step 402, according to a screen unfolding command, the first driving assembly is controlled to drive the first telescopic component to push the first disc-shaped cam assembly outwards, so that the first disc-shaped cam assembly pushes the first side shell outwards, and the first side part of the display screen is unfolded around the first scroll shaft.

The first driving assembly drives the first telescopic component to push the first disc-shaped cam assembly outwards, the first disc-shaped cam assembly further pushes the first side shell outwards, the first side shell moves in a direction away from the supporting frame, the first side shell can drive the first scroll to rotate when moving, and at the moment, the first side part of the display screen overcomes the self-contraction force, so that the first side part of the display screen is unfolded.

Illustratively, when a user wants to view video using a larger display area, the user can click a certain system button on the display screen, triggering a screen expand instruction. And after the mobile terminal receives the screen unfolding instruction, unfolding the first side edge part of the display screen, and providing a larger display area for a user to watch videos.

Optionally, as shown in fig. 5, after the display screen is unfolded, the following steps 403 to 404 may also be performed.

In step 403, a screen pinch instruction is received.

The screen pinch instruction is an operation instruction for pinch the display screen. The screen contraction command can be triggered by a system interaction button in the display screen, or can be triggered by an entity or a touch key arranged on the mobile terminal, and in other possible implementation manners, the screen contraction command can be triggered by voice and gesture of a user. The embodiment of the disclosure does not limit the triggering mode of the screen contraction instruction.

In step 404, according to the screen contraction command, the first driving assembly is controlled to drive the first telescopic component to pull the first disc-shaped cam assembly inwards, so that the first side casing is contracted inwards, and the first side part of the display screen is contracted around the first scroll.

The first driving assembly drives the first telescopic component to inwards pull the first disc-shaped cam assembly, the first side shell is further driven to move towards the direction close to the supporting frame, the first scroll is driven to rotate when the first side shell moves, and at the moment, the first side part of the display screen is contracted through self-contraction force, so that the first side part of the display screen is contracted.

Schematically, after the user finishes watching the video, the user does not need a larger display area, and the user clicks the system button on the display screen again to trigger a screen expansion instruction. And after the mobile terminal receives the screen expansion instruction, the first side part of the display screen is contracted, and the display area of the mobile terminal returns to normal.

Fig. 4 and 5 are only illustrated with respect to the first side portion of the display screen being expanded or contracted, and the expansion or contraction of the second side portion is similar to that of the first side portion, and will not be repeated here.

The following are device embodiments of the present disclosure that may be used to perform method embodiments of the present disclosure. For details not disclosed in the embodiments of the apparatus of the present disclosure, please refer to the embodiments of the method of the present disclosure.

Fig. 6 is a block diagram of a screen control apparatus according to an exemplary embodiment. The device has the function of realizing the method example, and the function can be realized by hardware or can be realized by executing corresponding software by hardware. The device may be a mobile terminal as described above or may be provided on the mobile terminal. The apparatus 600 may include: a expand instruction receiving module 610 and a screen expanding module 620.

A spread instruction receiving module 610 configured to receive a screen spread instruction;

The screen unfolding module 620 is configured to control the first driving assembly to drive the first telescopic component to push the first disc-shaped cam assembly outwards according to the screen unfolding instruction, so that the first disc-shaped cam assembly pushes the first side shell outwards, and the first side part of the display screen is unfolded around the first scroll shaft.

In some possible designs, as shown in fig. 7, the apparatus 600 further includes: a shrink instruction receiving module 630 and a screen shrink module 640.

A shrink instruction receiving module 630 configured to receive a screen shrink instruction;

And a screen contraction module 640 configured to control the first driving assembly to drive the first telescopic member to pull the first disc-shaped cam assembly inward so that the first side case is contracted inward, and the first side portion of the display screen is contracted around the first reel according to the screen contraction command.

It should be noted that, in the apparatus provided in the foregoing embodiment, when implementing the functions thereof, only the division of the foregoing functional modules is used as an example, in practical application, the foregoing functional allocation may be implemented by different functional modules, that is, the internal structure of the device is divided into different functional modules, so as to implement all or part of the functions described above. In addition, the apparatus and the method embodiments provided in the foregoing embodiments belong to the same concept, and specific implementation processes of the apparatus and the method embodiments are detailed in the method embodiments and are not repeated herein.

Fig. 8 is a block diagram of a mobile terminal 800 according to another exemplary embodiment. For example, the mobile terminal 800 is a mobile terminal as described above. The mobile terminal 800 may be an electronic device such as a smart phone, tablet computer, electronic book reader, game console, wearable device, etc.

Referring to fig. 8, a mobile terminal 800 may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and a communication component 816.

The processing component 802 generally controls overall operation of the mobile terminal 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interactions between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.

The memory 804 is configured to store various types of data to support operation at the mobile terminal 800. Examples of such data include instructions for any application or method operating on the mobile terminal 800, contact data, phonebook data, messages, pictures, videos, and the like. The memory 804 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.

The power supply component 806 provides power to the various components of the mobile terminal 800. The power supply components 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the mobile terminal 800.

The multimedia component 808 includes a screen between the mobile terminal 800 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front camera and/or a rear camera. The front camera and/or the rear camera may receive external multimedia data when the mobile terminal 800 is in an operation mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.

The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the mobile terminal 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 further includes a speaker for outputting audio signals.

The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.

The sensor assembly 814 includes one or more sensors for providing status assessment of various aspects of the mobile terminal 800. For example, the sensor assembly 814 may detect an on/off state of the mobile terminal 800, a relative positioning of the components, such as a display and keypad of the mobile terminal 800, a change in position of the mobile terminal 800 or a component of the mobile terminal 800, the presence or absence of a user's contact with the mobile terminal 800, an orientation or acceleration/deceleration of the mobile terminal 800, and a change in temperature of the mobile terminal 800. The sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 816 is configured to facilitate communication between the mobile terminal 800 and other devices, either wired or wireless. The mobile terminal 800 may access a wireless network based on a communication standard, such as Wi-Fi, 2G, 3G, 4G, 5G, or a subsequent evolution system, or a combination thereof. In one exemplary embodiment, the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component 816 further includes a Near Field Communication (NFC) module to facilitate short range communications.

In an exemplary embodiment, the mobile terminal 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for performing the screen control methods described above.

In an exemplary embodiment, a non-transitory computer readable storage medium having stored thereon a computer program executable by the processor 820 of the mobile terminal 800 to perform the above screen control method is also provided.

For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.

It should be understood that references herein to "a plurality" are to two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

The foregoing description of the exemplary embodiments of the present disclosure is not intended to limit the present disclosure, but rather, any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the present disclosure are intended to be included within the scope of the present disclosure.

Claims

1. A mobile terminal, the mobile terminal comprising: the display screen, the support frame, the first side shell, the first scroll, the first disc-shaped cam component and the first driving component;

the first driving component is connected with the shaft of the first disc-shaped cam component through a first telescopic component;

During the unfolding process, the first driving assembly drives the first telescopic component to push the first disc-shaped cam assembly outwards, so that the first disc-shaped cam assembly pushes the first side shell outwards, and the first side part of the display screen is unfolded around the first scroll; the first disc-shaped cam assembly changes from a first state to a second state;

During retraction, the first drive assembly drives the first telescoping member to pull the first disc cam assembly inwardly to retract the first side housing inwardly, the first side portion of the display screen retracting about the first spool; the first disc-shaped cam assembly is changed from the second state to the first state;

2. The mobile terminal according to claim 1, wherein,

The first disk-shaped cam assembly comprises a first cam accommodating part, a second cam accommodating part and a first cam plate, wherein first rolling teeth are formed on the outer wall of the first disk-shaped cam assembly, second rolling teeth are formed on the inner wall of the first cam accommodating part, and the first rolling teeth are matched with the second rolling teeth.

3. The mobile terminal according to claim 1, wherein,

A concave table part is formed at the bottom of the first side shell;

4. A mobile terminal according to claim 3, wherein a camera is provided on the recess.

5. The mobile terminal of claim 1, further comprising a limiting mechanism;

6. The mobile terminal according to any of claims 1 to 5, characterized in that the mobile terminal further comprises: a second side housing, a second spool, a second disc cam assembly, and a second drive assembly;

7. A screen control method, characterized in that it is applied to the mobile terminal according to any one of claims 1 to 6, the method comprising:

receiving a screen unfolding instruction;

8. The method of claim 7, wherein the method further comprises:

Receiving a screen contraction instruction;

9. A screen control apparatus for use in a mobile terminal according to any one of claims 1 to 6, the apparatus comprising:

10. The apparatus of claim 9, wherein the apparatus further comprises:

11. A non-transitory computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method according to claim 7 or 8.