Display apparatus and electronic device

A display apparatus and an electronic device relating to the field of display technologies are provided. The display apparatus includes: a first housing, one end of which includes an opening; a second housing slidably connected to the first housing and configured to slide out of a cavity of the first housing via the opening of the first housing; a flexible display screen configured to slide out of the cavity of the first housing along with the second housing when the second housing slides out of the cavity of the first housing; and at least one elastic assembly configured to provide an elastic force to the second housing when the second housing slides out of the cavity of the first housing so that a second lateral outer surface is kept flush with the first lateral outer surface.

CROSS-REFERENCE TO RELATED APPLICATION

This application claims priority to the Chinese Patent Application No. 202010611339.0, filed on Jun. 30, 2020 and entitled “DISPLAY APPARATUS AND ELECTRONIC DEVICE”, the disclosure of which is herein incorporated by reference in its entirety.

TECHNICAL FIELD

The present disclosure relates to the technical field of display apparatuses, and in particular to a display apparatus and an electronic device.

BACKGROUND

With development of display panel technologies, a certain degree of folding and bending of screens can be realized by virtue of good flexible features of flexible display screens. And a technology of stretching and enlarging a display screen of a terminal using a scroll function is developed.

SUMMARY

Embodiments of the present disclosure provide a display apparatus and an electronic device. The major technical solutions of the present disclosure are as below.

According to an aspect, an embodiment of the present disclosure provides a display apparatus. The display apparatus includes:

a first housing, one end of which comprises an opening;

a second housing slidably connected to the first housing and configured to slide out of a cavity of the first housing via the opening of the first housing;

a flexible display screen, wherein a first end of the flexible display screen is connected to a first lateral outer surface of the first housing; a second end of the flexible display screen bypasses one end of the second housing away from the first housing and connects to the inside of the first housing; and the flexible display screen is configured to slide out of the cavity of the first housing along with the second housing when the second housing slides out of the cavity of the first housing; and

at least one elastic assembly configured to provide an elastic force to the second housing when the second housing slides out of the cavity of the first housing so that a second lateral outer surface is kept flush with the first lateral outer surface, wherein the second lateral outer surface is a surface of the second housing close to the first lateral outer surface.

Optionally, the second housing includes a cavity, and one end of the second housing close to the first housing includes an opening.

Optionally, the second housing includes a movable plate and a fixed base, and a surface of the movable plate close to the first lateral outer surface is the second lateral outer surface; and

the elastic assembly is disposed on one side of the fixed base facing the movable plate.

Optionally, the elastic assembly includes a mounting base and an elastic piece;

the mounting base is disposed on one side of the fixed base facing the movable plate; the mounting base includes a cavity; and one end of the mounting base facing the movable plate includes an opening; and

the elastic piece is disposed in the cavity of the mounting base and configured to abut on the movable plate and the mounting base.

Optionally, one side of the movable plate facing the fixed base includes a limit post, and the limit post is configured to abut on the elastic piece.

Optionally, the elastic piece surrounds the limit post along a circumferential direction of the limit post.

Optionally, a length of the limit post is greater than a thickness of the movable plate; and a thickness direction of the movable plate intersects a radial direction of the limit post.

Optionally, one side of the movable plate facing the fixed base includes a first limiting piece; the mounting base includes a second limiting piece matching the first limiting piece; and when the movable plate moves away from the fixed base under the action of the elastic force, the second limiting piece is configured to abut on the first limiting piece, to ensure that the movable plate moves within a preset distance.

Optionally, a surface of a first side of the first housing includes a first fastener; and a surface of the second housing close to the first side of the first housing includes a second fastener matching the first fastener; and

the second fastener is configured to clamp on the first fastener when the second housing slides out of the cavity of the first housing by a sliding distance.

Optionally, the surface of the first side of the first housing includes a plurality of groups of first fasteners; the plurality of groups of first fasteners correspond to a plurality of sliding distances; and a group of first fasteners corresponding to any of the sliding distances is configured to clamp on the second fastener when the second housing slides out of the cavity of the first housing by the any of the sliding distances.

Optionally, the surface of the second housing close to the first side of the first housing includes a plurality of groups of second fasteners matching the first fastener; the plurality of groups of second fasteners correspond to a plurality of sliding distances; and a group of second fasteners corresponding to any of the sliding distances is configured to clamp on the first fastener when the second housing slides out of the cavity of the first housing by the any of the sliding distances.

Optionally, there are a plurality of first fasteners and a plurality of second fasteners which correspond to a same sliding distance.

Optionally, the inside of the first housing includes a winding component; a second end of the flexible display screen is connected to the winding component; and the flexible display screen is further configured to: under the action of the winding component, slide into the first housing along with the second housing when the second housing slides into the first housing.

Optionally, the display apparatus further includes a sensor; and the sensor is electrically connected to the winding component, and is configured to: send a working signal indicating an execution of winding to the winding component when detecting that a distance between the second lateral outer surface and a third lateral outer surface is becoming smaller, or send a working signal indicating a stopping of winding to the winding component when detecting that the distance between the second lateral outer surface and the third lateral outer surface is becoming larger or remains unchanged, wherein the third lateral outer surface is an outer surface of the second housing away from the first lateral outer surface.

Optionally, the winding component includes a winding motor and a winding shaft; the sensor is electrically connected to the winding motor; the winding shaft is connected to an output end of the winding motor; and the winding motor is configured to work based on the signals.

Optionally, the display apparatus further includes a flexible connector; the flexible connector is configured to connect the flexible display screen to the winding shaft; and when the second housing completely slides into the first housing, at least part of the flexible connector is wound on the winding shaft, while the flexible display screen is not wound on the winding shaft.

Optionally, the end of the second housing away from the first housing includes a depression bar; and the depression bar is configured to: when the second housing slides out of the cavity of the first housing by the sliding distance, press the flexible display screen at the end of the second housing away from the first housing.

Optionally, the flexible display screen includes a first part and a second part which are connected to each other; the first part is laid on the first lateral outer surface; and the second part is configured to: when the second housing slides out of the cavity of the first housing, slide out of the cavity of the first housing along with the second housing, and be laid on the second lateral outer surface.

Optionally, the second part is further configured to: under the action of the winding component, slide into the first housing along with the second housing when the second housing slides into the first housing.

According to another aspect, an embodiment of the present disclosure provides an electronic device including the foregoing display apparatus.

DETAILED DESCRIPTION

To further describe the technical means and effects adopted by the present disclosure to achieve a predetermined inventive objective, the following describes a display apparatus and its specific implementations, structure, features and effects provided in the present disclosure in detail with reference to the accompanying drawings and exemplary embodiments. In the following descriptions, “an embodiment” or “embodiments” at different locations do not necessarily mean a same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any appropriate form.

At present, a display device with a stretchable or slidable flexible display screen is designed based on a flexible display screen. The display device includes a first housing, a second housing and a flexible display screen. The second housing can slide into and slide out of a cavity of the first housing. The flexible display screen includes two parts. The first part of the flexible display screen is usually laid on a surface of the first housing, wherein the surface is used to support the first part of the flexible display screen. The second part of the flexible display screen can slide around a scroll. In addition, when the second housing is disposed in the cavity of the first housing, the second part of the flexible display screen can be stored in the cavity of the first housing; and when the second housing slides out of the first housing, the second part of the flexible display screen can be laid on a surface of the second housing, wherein the surface is used to support the second part of the flexible display screen. Compared with a case when the second part of the flexible display screen is stored in the cavity of the first housing, when the second part of the flexible display screen is laid on the surface of the second housing, an image display area of the display device is enlarged, that is, a display screen can be stretched and enlarged.

However, when the second housing slides out of the first housing, there is a level difference between the surface of the second housing for supporting the flexible display screen and the surface of the first housing for supporting the flexible display screen in a vertical lamination direction. Due to the level difference, a mold mark is easily formed on the flexible display screen, and a supporting force of the second housing on the second part of the flexible display screen is weak.

An embodiment of the present disclosure provides a display apparatus. Referring toFIGS.1-3, the display apparatus includes: a first housing1, a second housing2, a flexible display screen3and at least one elastic assembly4.

One end of the first housing1includes an opening. The second housing2is slidably connected to the first housing1and configured to slide out of a cavity of the first housing1via the opening of the first housing1. A first end of the flexible display screen3is connected to a first lateral outer surface of the first housing1. A second end of the flexible display screen3bypasses one end of the second housing2away from the first housing1and connects to the inside of the first housing1. The flexible display screen3is configured to slide out of the cavity of the first housing1along with the second housing2when the second housing2slides out of the cavity of the first housing1. The elastic assembly4is configured to provide an elastic force to the second housing2when the second housing2slides out of the cavity of the first housing1so that a second lateral outer surface is kept flush with the first lateral outer surface, wherein the second lateral outer surface is a surface of the second housing2close to the first lateral outer surface.

In the display apparatus provided in this embodiment of the present disclosure, the flexible display screen3can slide out of the cavity of the first housing1along with second housing2when the second housing2slides out of the cavity of the first housing1, thereby changing a display area of the flexible display screen3. In addition, due to the elastic assembly4, when the second housing2slides out of the cavity of the first housing1, the second lateral outer surface can be kept flush with the first lateral outer surface under the action of an elastic force, which eliminates a level difference between the second lateral outer surface and the first lateral outer surface, avoids a mold mark on the flexible display screen caused by the level difference, and resolves a problem that the flexible display screen cannot be supported flatly due to the level difference.

The first housing1is a rigid structural member, and may be of a groove structure. For example, the first housing1is of a U-shaped, square, or circular groove structure with an opening. When the first housing1is of the U-shaped groove structure with the opening, a thickness of the first housing1can be reduced as far as possible on the premise that other components need to be stored in the first housing1, so as to ensure that a thickness of the display apparatus is small, which is conducive to thinning design of the display apparatus.

Optionally, a winding component5may be stored in the first housing1. A second end of the flexible display screen3is connected to the winding component5. In this case, the flexible display screen3is further configured to: under the action of the winding component5, slide into the first housing1along with the second housing2when the second housing2slides into the first housing1. Due to the winding component5disposed in the first housing1, the flexible display screen3can be stored when the second housing2slides into the first housing1.

The second housing2is a rigid structural member. The second housing2may be a structural member with an opening at one end. Alternatively, the second housing2may include no opening. When the second housing2includes the opening at the end, the opening may be at one end of the second housing2close to the first housing1, and the second housing2may be of a U-shaped, square, or circular groove structure with an opening. When the second housing2is of the U-shaped groove structure with the opening, a thickness of the second housing2can be reduced as far as possible on the premise that other components need to be stored in the second housing2, so as to ensure that a thickness of the display apparatus is small, which is conducive to thinning design of the display apparatus. In addition, when the second housing2includes the opening at the end close to the first housing1, it can yield a battery and other components in the first housing1when it slides out and/or into the first housing1. It is to be understood that when the second housing2includes no opening, locations of the battery and other components need to be set to off a sliding track of the second housing2. In order to realize a slidable connection between the second housing2and the first housing1, it is obvious to set a sliding assembly between them (for example, a combination of either a slide way or a slide rail and either a slide block or a pulley). Setting of the sliding assembly is easily understood and realized by people skilled in the art. Details are not described herein.

The flexible display screen3is a soft, deformable and bendable display screen which can be easily understood or known by people skilled in the art. Its structure or display principle is not a protection key point of the present disclosure. Details are not described herein.

Corresponding to an implementation in which the first housing1is not provided with the winding component5, the flexible display screen3includes a first part and a second part which are connected to each other. In an implementation, the first part is laid on the first lateral outer surface, that is, no matter whether the second housing2slides out of the cavity of the first housing1, the first part is laid on the first lateral outer surface; and the second part is configured to: when the second housing2is disposed in the cavity of the first housing1, be disposed in the cavity of the first housing1; and when the second housing2slides out of the cavity of the first housing1, slide out of the cavity of the first housing1along with the second housing2, and be laid on the second lateral outer surface. In another implementation, the flexible display screen3is configured to: when the second housing2slides out of the cavity of the first housing1, slide out of the cavity of the first housing1along with the second housing2, and be laid on the first lateral outer surface and the second lateral outer surface; and when the second housing2is disposed in the cavity of the first housing1, be disposed in the cavity of the first housing1.

Corresponding to an implementation in which the first housing1is provided with the winding component5, in addition to functions of the flexible display screen when the winding component5is not provided, the second part is further configured to: under the action of the winding component5, slide into the first housing1along with the second housing2when the second housing2slides into the first housing1.

The elastic assembly4has capabilities of deforming and recovering, and can provide an elastic force to the second lateral outer surface of the second housing2when the second housing2slides out of the cavity of the first housing1so that the second lateral outer surface is kept flush with the first lateral outer surface. Optionally, there is one or more elastic assemblies4. When there is one elastic assembly4, in a possible implementation, the elastic assembly4may be disposed in the center of the second lateral outer surface. In another possible implementation, there may be four elastic assemblies4. Every two of the four elastic assemblies4form a group. Each group of the elastic assemblies4are arranged in a first direction a. The first direction a is perpendicular to a stretching direction of the flexible display screen3. For example, each group of the elastic assemblies4are disposed at two ends of the second housing2in the first direction a. The two groups of the elastic assemblies4may be disposed at an end of the second housing2near the opening and an end of the second housing2away from the opening, respectively.

The winding component5has a winding function, and can store the flexible display screen3partially or completely via winding so that when the second housing2slides out of the cavity of the first housing1, the flexible display screen3is partially or completely pulled out of the cavity of the first housing1; and when the second housing2slides into the cavity of the first housing1, the flexible display screen3is partially or completely stored in the cavity of the first housing1.

According to the above, in the display apparatus provided in the present disclosure, due to the at least one elastic assembly4, when the second housing2slides out of the cavity of the first housing1, the second lateral outer surface of the second housing2is flush with the first lateral outer surface of the first housing1, which eliminates a level difference, and avoids a mold mark on the flexible display screen3caused by the level difference. In addition, when the second lateral outer surface is flush with the first lateral outer surface, the flexible display screen3has a flat support surface on the lower side, thereby improving touch effectiveness.

In this specification, the term “and/or” is merely an association relationship that describes associated objects, represents that there may be three relationships, and is specifically understood as any one of the following cases: both A and B exist, only A exists, and only B exists.

Further, referring toFIGS.3and4, the second housing2includes a movable plate21and a fixed base22. In this case, a surface of the movable plate21close to the first lateral outer surface is the second lateral outer surface of the second housing2. Accordingly, the elastic assembly4is disposed on one side of the fixed base22facing the movable plate21, so that the movable plate21can move away from/towards the fixed base22.

In order to realize that the second lateral outer surface can be flush with the first lateral outer surface of the first housing1under the action of the elastic component4, in this embodiment of the present disclosure, the second housing2is set to include two parts: the movable plate21and the fixed base22. The elastic component4is located between the movable plate21and the fixed base22. In this way, not only is the movable plate21connected to the fixed base22so that the movable plate21can slide into or out of the first housing1along with the fixed base22, but also the movable plate21can move close to or away from the fixed base22under the action of the elastic component4.

When the flexible display screen3needs to be stored into the first housing1to reduce an image display area of the display apparatus, the following manner may be used: the movable plate21is pressed downwards to make its height lower than that of the first lateral outer surface of the first housing1, and the second housing2is slid into the first housing1. On the contrary, when the flexible display screen3needs to be pulled out of the first housing1to enlarge a display area, the second housing2is pulled outwards. At this time, the movable plate21is naturally jacked up under the elastic force of the elastic component4to be flush with the first housing1, so as to eliminate a level difference.

Certainly, referring toFIGS.1-2, it is obvious that a lateral plate24is disposed between the movable plate21and the fixed base22. Two ends of the lateral plate24are connected to the movable plate21and the fixed base22, respectively, to shield and protect an internal structure of the display apparatus and ensure that an appearance of the display apparatus is beautiful. The setting manner is not excessively limited herein.

Further, referring toFIGS.3-4, the elastic assembly4includes a mounting base41and an elastic piece42. The mounting base41is disposed on one side of the fixed base22facing the movable plate21; the mounting base41includes a cavity; and one end of the mounting base41facing the movable plate21includes an opening. The elastic piece42is disposed in the cavity of the mounting base and configured to abut on the movable plate21and the mounting base41. For example, two opposite ends of the elastic piece42may abut on the movable plate21and the mounting base41, respectively.

Due to the setting of the elastic assembly4, the elastic piece42can be pressed downwards by the movable plate21, and the movable plate41can be jacked up by the elastic piece42. Optionally, the elastic piece42is a structure or component having capabilities of deforming and recovering. For example, the elastic piece42is a spring or a rubber part. It is to be understood that the mounting base41does not move up and down along with the movable plate21.

Further, in order to realize that the mounting base41is fixedly arranged between the fixed base22and the movable plate21, and that the movable plate21can slide into or out of the first housing1along with the fixed base22, in this embodiment of the present disclosure, as shown inFIGS.3-4, the mounting base41may be fixedly connected to the fixed base22, to ensure that the mounting base41is fixed and provide a sufficient support force to the elastic piece42. For example, referring toFIG.3, a left side of the mounting base41on the left ofFIG.3is connected to the fixed base22, and although a connection relationship between the mounting base41on the right ofFIG.3and the fixed base22is not shown, during actual implementation, at least one surface (for example, an upper surface, a lower surface, and/or a left surface) of the mounting base41is directly connected to the fixed base22, or is indirectly connected to the fixed base22via the side plate24, as shown inFIG.6. In addition, referring toFIG.4,FIG.4is a schematic structural diagram which does not include the side plate24. It can be seen that the entire mounting base41is a groove structure with an opening at an upper end, and can be connected to the side plate24.

Optionally, one side of the movable plate21facing the fixed base22includes a limit post25, and the limit post25is configured to abut on the elastic piece. As the side of the movable plate21facing the fixed base22includes the limit post25, when the limit post25is inserted into the cavity of the mounting base41, the limit post25and the mounting base41can perform a spacing function in a left-right direction (for example, a stretching direction of the flexible display screen3) so that when the fixed base22slides into or out of the first housing1, due to a relationship between the limit post25and the mounting base41, the movable plate21can slide into or out of the first housing1along with the fixed base22synchronously.

Optionally, a length of the limit post25may be greater than a thickness of the movable plate21, so as to ensure that when the movable plate21moves up to a location flush with the first housing1, the limit post25does not fall out of the mounting seat41. A thickness direction of the movable plate21intersects a radial direction of the limit post25. For example, the thickness direction of the movable plate21is perpendicular to the radial direction of the limit post25.

In an implementation, the elastic piece42may surround the limit post25along the circumferential direction of the limit post25. For example, when the elastic piece42is a spring, the spring may be directly sleeved on the limit post25and disposed in the mounting base41; when the elastic piece42is a rubber piece, it may be circular or blocky; when the elastic piece42is circular, it may be sleeved on the limit post25as the spring; and when the elastic piece42is blocky, it may be uniformly distributed at the periphery of the limit post25.

Further, referring toFIGS.3and4, the side of the movable plate21facing the fixed base22may be provided with a first limiting piece211, the first limiting piece211extends towards the fixed base22, and a second limiting piece411matching first limiting piece211is disposed on the mounting base41. When the movable plate21moves away from the fixed base22under the action of an elastic force, the second limiting piece411is configured to abut on the first limiting piece211, to ensure that the movable plate21moves away from the fixed base22within a preset distance.

In this embodiment of the present disclosure, as the preset distance is set, the first limiting piece211is arranged on the movable plate21, and the second limiting piece411matching the first limiting piece211is arranged on the mounting base41, the movable plate21can be just jacked up to a location flush with the first housing1, to avoid a level difference caused when a height of the movable plate21jacked up by the elastic assembly4is too large and the movable plate21is higher than the first housing1. The preset distance herein is a moving distance of the movable plate21from a location in the cavity of the first housing1to a location where the movable plate21is flush with the first lateral outer surface of the first housing1.

In a possible implementation, referring toFIG.4, the first limiting piece211extends from the movable plate21to the fixed base22. One end of the first limiting piece211facing the fixed base22includes a bending part212. The second limiting piece411is a hook matching the bending part212. The bending part212and the second limiting piece411may form surface-contact hook spacing shown in the figure, or form point-contact hook spacing, provided that hook spacing can be performed in a deformation direction of the elastic piece42.

Further, referring toFIGS.4and5, a surface of a first side of the first housing1includes a first fastener11; and a surface of the second housing2close to the first side of the first housing1includes a second fastener26matching the first fastener11. The second fastener26is configured to clamp on the first fastener11when the second housing2slides out of the cavity of the first housing1by a sliding distance, so as to fix the second housing2after the second housing2slides out of the first housing1, that is, prevent the second housing2from departing from the first housing1.

In a possible implementation, the surface of the first side of the first housing1includes a plurality of groups of first fasteners11. The plurality of groups of first fasteners11correspond to a plurality of sliding distances. A group of first fasteners11corresponding to any of the sliding distances is configured to clamp on the second fastener26when the second housing2slides out of the cavity of the first housing1by the any of the sliding distances. Each group of first fasteners11may include one or more first fasteners11.

In another possible implementation, the surface of the second housing2close to the first side of the first housing1includes a plurality of groups of second fasteners26matching the first fastener11. The plurality of groups of second fasteners26correspond to a plurality of sliding distances. A group of second fasteners26corresponding to any of the sliding distances are configured to clamp on the first fastener11when the second housing2slides out of the cavity of the first housing1by the any of the sliding distances. Each group of second fasteners26may include one or more second fasteners26. In addition, when there is a plurality of groups of first fasteners11or second fasteners26, there may be one group of second fasteners26or first fasteners11.

It is assumed that there are a plurality of groups of first fasteners11and a plurality of groups of second fasteners which correspond to a plurality of sliding distances. When the second housing2slides out of the first housing1, the first fasteners11and the second fasteners26clamp on each other to keep the second housing2at a preset location. Therefore, when the flexible display screen3is pulled out from the cavity of the first housing1by different lengths, and the display apparatus uses different display areas, the first fasteners11and the second fasteners26can clamp on each other, to realize fixing between the first housing1and the second housing2.

When each group of first fasteners11includes a plurality of first fasteners11, and each group of second fasteners26includes a plurality of second fasteners26, the plurality of first fasteners11and the plurality of second fasteners26can share action forces on the first fasteners11and the second fasteners26together, and stress on each of the first fasteners11and the second fasteners26can be balanced better, thereby ensuring stability of clamping between the first fasteners11and the second fasteners26, and prolonging service lives of the first fasteners11and the second fasteners26. There may be one of the first fasteners11at each end of a first direction a, or at each of two ends and the center of the first direction a. There may be one of the second fasteners26at each end of the first direction a, or at each of two ends and the center of the first direction a. This is not specifically limited herein.

In addition, when any group of first fasteners11includes a plurality of first fasteners11, the plurality of first fasteners11may be arranged at one end of the first housing1close to its opening in the first direction a at intervals. As shown inFIGS.1-2, the first direction a is perpendicular to a stretching direction of the flexible display screen3. Similarly, when any group of second fasteners26includes a plurality of second fasteners26, the plurality of second fasteners26may be arranged at one end of the second housing2close to the first housing1in the first direction a at intervals.

In addition, locations of the first fasteners11and the second fasteners26can also be adjusted according to application requirements. For example, the first fasteners11may not be set on the surface of the first side of the first housing1, and/or the second fasteners26may not be set on the surface of the second housing2close to the first side of the first housing1, provided that a sliding distance between the first housing1and the second housing2can be fixed via clamping between the first fasteners11and the second fasteners26.

In a possible implementation, to realize clamping between the first fastener11and the second fastener26, in this embodiment of the present disclosure, the first fastener11may be set to a clamping hole, and the second fastener26may be set to a clamp. Referring toFIG.4, there may be a yielding step between the clamp and the movable plate21, so that the clamp can be inserted into the clamping hole. In addition, the first lateral outer surface of the first housing1which is faced by the clamp needs to be flush with the second lateral outer surface of the second housing2.

Alternatively, settings opposite to the foregoing are used: the first fastener11is set to a clamp extending towards the second housing2, and the second fastener26is set to a clamping hole. In this case, a surface of the clamping hole does not need to be flush with the outer surface of the second housing2.

In addition, no matter whether the first fastener11or the second fastener26is set to a clamping hole, the clamping hole may be set to a through hole or blind hole as required. When the clamping hole is a blind hole, a surface of the lamping hole does not need to be flush with the outer surface of the second housing2or the first housing1, and it is ensured that the first housing1can provide a sufficient support force for the flexible display screen3.

With reference to the foregoing descriptions, when the flexible display screen3needs to be stored into the first housing1to reduce a display area of the display apparatus, the following manner may be used: the movable plate21is pressed downwards to release clamping between the first fastener11and the second fastener26, and the second housing2is slid into the first housing1. On the contrary, when the flexible display screen3needs to be pulled out of the first housing1to enlarge the display area of the display apparatus, the following manner may be used: the second housing2is pulled outwards so that the movable plate21is naturally jacked up under the elastic force of the elastic component4to be flush with the first housing1, and the first fastener11and the second fastener26are controlled to clamp one each other.

Optionally, as shown inFIGS.3,4and6, the end of the second housing2away from the first housing1includes a rotating shaft23. A second end of the flexible display screen3bypasses the rotating shaft23and is fixedly connected to the inside of the first housing1. For example, the end of the fixed base22away from the first housing1may be provided with a rotating shaft23. The rotating shaft23may be arranged in the first direction a. The flexible display screen3bypasses the rotating shaft23and connects to the winding component5.

Due to the arrangement of the rotating shaft23, a frictional force generated when the flexible display screen3slides into and/or out of the first housing1along with the second housing2is reduced, thereby avoiding a problem that a mold mark is formed on the flexible display screen3in a stretching process, and prolonging a service life of the flexible display screen3.

Further, referring toFIGS.4-5, the display apparatus provided in this embodiment of the present disclosure further includes a sensor6. When there is a winding component5in the first housing1, the sensor6is electrically connected to the winding component5. The sensor6is configured to: send a working signal indicating an execution of winding to the winding component5when detecting that a distance between the second lateral outer surface and a third lateral outer surface is becoming smaller, or send a working signal indicating a stopping of winding to the winding component5when detecting that the distance between the second lateral outer surface and the third lateral outer surface is becoming larger or remains unchanged, wherein the third lateral outer surface is an outer surface of the second housing away from the first lateral outer surface.

As the sensor6is arranged to assist working of the winding component5, linkage between the winding component5and the second housing2can be realized, and the flexible display screen3can be stored in time. Optionally, the sensor6may be a range sensor or a position sensor. When the sensor6is the range sensor, and the movable plate21is disposed in the first housing1, a distance between the movable plate21and the fixed base22is set to a standard distance. When the distance between the movable plate21and the fixed base22is becoming larger than the standard distance or remains unchanged as the standard distance, the range sensor sends the working signal indicating a stopping of winding to the winding component5. When the distance between the movable plate21and the fixed base22is becoming smaller than the standard distance, the range sensor sends the working signal indicating a stopping of winding to the winding component5.

In a possible implementation, to store the flexible display screen3by using the winding component5, the winding component5in this embodiment of the present disclosure includes a winding motor (not shown in the figure) and a winding shaft51. The sensor6is electrically connected to the winding motor (not shown in the figure). The winding shaft51is connected to an output end of the winding motor (not shown in the figure). The winding shaft51is arranged in the first direction a. The winding motor is configured to work based on the signals sent by the sensor6. A work process of the winding motor includes: when receiving the working signal indicating an execution of winding, the winding motor drives the winding shaft51to rotate, so as to store the flexible display screen3. Accordingly, when receiving the working signal indicating a stopping of winding, the winding motor stops rotating, so that the flexible display screen3is pulled out under the action of an external force.

Optionally, the winding motor (not shown in the figure) may include a built-in controller (system), or may be equipped with an external controller (system). For example, the controller (system) herein may alternatively be a relay switch.

In a possible implementation, the display apparatus further includes a flexible connector52. The flexible connector52is configured to connect the flexible display screen3with the winding shaft51. For example, the winding shaft51is connected to one end of the flexible connector52, and the other end of the flexible connector52is connected to a second end of the flexible display screen3.

In addition, the flexible connector52is further configured as follows: when the second housing2completely slides into the first housing1, at least part of the flexible connector52is wound on the winding shaft51, while the flexible display screen3is not wound on the winding shaft51. For example, the flexible connector52may have such a preset length that when the second housing2slides into the first housing1, at least part of the flexible connector52is wound on the winding shaft51, while the flexible display screen3is not wound on the winding shaft51.

In this way, due to the arrangement of the flexible connector52, when the flexible connector52is wound on the winding shaft51, the flexible display screen3is not wound on the winding shaft51, thereby avoiding a problem that a display performance of the flexible display screen3is impacted because it is wound on the winding shaft51.

In addition, referring toFIG.4, the flexible display screen3and the flexible connector52may be directly connected to each other, or may be indirectly connected to each other via a connection plate53. Due to the arrangement of the connection plate53, the flexible display screen3can be further prevented from being wound on the winding shaft51.

Further, the display apparatus provided in this embodiment of the present disclosure further includes a fixing piece. The fixing piece is disposed at the end of the second housing2away from the first housing1. The fixing piece is configured to: when the second housing2slides out of the cavity of the first housing1by the sliding distance, fix the flexible display screen3at the end of the second housing2away from the first housing1, for example, press the flexible display screen3to prevent it from curling at the end of the second housing2away from the first housing1.

In a possible implementation, referring toFIGS.1-5, the fixing piece may be a depression bar7. The depression bar7is rotationally arranged at one end of the second housing2away from its opening so that the depression bar7can rotate at the end of the second housing2away from the first housing1. When rotating to a location on the upper side of the rotating shaft23, the depression bar7can press the flexible display screen3. The depression bar7is arranged in the first direction a. The first direction a is perpendicular to a stretching direction of the flexible display screen3. In addition, the fixing piece may be a component which can fix the flexible display screen3, such as a card holder.

After being pulled out, the flexible display screen3may cock by 1 to 3 mm near the rotating shaft23under the action of its rebound, which goes against flatness of the flexible display screen3. In this embodiment of this application, the fixing part is arranged to fix the flexible display screen3so that overall flatness of the flexible display screen3and an overall display effect of the display apparatus can be improved. In addition, when the depression bar7rotates to one side of the rotating shaft23away from the first housing1, the flexible display screen3can be protected from being collided or rubbed.

Optionally, the depression bar7may be of a transparent arc structure, and may be arranged eccentrically to the rotating shaft23in the first direction a. In addition, a rotation relationship between the depression bar7and the second housing2may be interference fit so that the depression bar7can stay in any location in a rotation process.

An embodiment of the present disclosure provides an electronic device, including the display apparatus provided in the foregoing embodiments of the present disclosure. For its detailed structure and implementations, refer to the foregoing descriptions. Details are not described herein.

It should be noted that, the foregoing descriptions are merely exemplary embodiments of the present disclosure, and do not constitute any limitation on forms of the present disclosure. Therefore, the foregoing embodiments can be combined. Any simple modification, equivalent change and improvement made to the present disclosure based on its technical essence shall fall within the scope of the technical solutions of the present disclosure.