CN113824819B - Flexible screen assembly and terminal - Google Patents

Abstract

The application relates to the technical field of display screens, in particular to a flexible screen assembly and a terminal. The flexible screen assembly includes a flexible display screen; a folding housing assembly to which the flexible display screen is connected, wherein the folding housing assembly includes a folder; the sliding piece is connected to the end face, facing the folding shell component, of the flexible display screen, and the sliding piece is arranged on each of two sides of the folding piece; the sliding piece is in sliding fit with the folding shell component, and the sliding direction of the sliding piece is perpendicular to the axis of the folding piece. The utility model provides a flexible screen assembly and terminal's structural design is reasonable, can prevent that flexible display screen from coming unstuck, arching, has improved the result of use.

Description

Flexible screen assembly and terminal

technical field

The present application relates to the technical field of display screens, in particular to a flexible screen assembly and a terminal.

Background technique

With the continuous development of display technology, terminal devices derived from flexible display screens have gradually become a development trend of mobile electronic products. When the display terminal is unfolded, it can obtain a larger display area and improve visual effects; when it is folded, it can obtain a smaller volume, which is convenient for users to carry.

However, since the flexible display screen adopts a multi-layer structure, when the display terminal is folded, the flexible display screen is prone to problems such as arching and degumming, which affect the use of the terminal device.

Contents of the invention

The present application provides a flexible screen assembly and terminal. The flexible screen assembly and terminal have a reasonable structural design, which can prevent degumming and arching of the flexible display screen, and improve the use effect.

The first aspect of the present application provides a flexible screen assembly, including:

flexible display;

a folding housing assembly, the flexible display screen is connected to the folding housing assembly, wherein the folding housing assembly includes a folder;

a sliding piece, the sliding piece is connected to the end surface of the flexible display screen facing the folding shell assembly, and the sliding piece is provided on both sides of the folding piece;

Wherein, the sliding member is slidingly matched with the folding shell assembly, and the sliding direction of the sliding member is perpendicular to the axis of the folding member.

Further, the folding shell assembly also includes:

first shell;

a second shell, the first shell is connected to the second shell through the folder;

A plurality of adhesive layers, the plurality of adhesive layers are spaced apart from each other, and the first casing and the second casing are bonded to the flexible display screen through the adhesive layers.

Further, a first slideway is formed between two adjacent adhesive layers;

There are a plurality of sliding parts, and each of the sliding parts includes a first sliding part;

The first sliding part corresponds to the first slideway one by one and is slidably matched with each other.

Further, a plurality of second slideways are provided on the first casing and the second casing;

The slider further includes a second sliding part, the end surface of the first sliding part facing away from the flexible display screen extends outward to form the second sliding part;

The second sliding part corresponds to the second slideway one by one and is slidably matched with each other.

Further, there are preset distances between the first sliding part and the first slideway and between the second sliding part and the second slideway.

Further, the folding shell assembly also includes a bending support;

The bending support is located on the end surface of the folding member facing the flexible screen, and the bending areas of the first casing, the second casing, and the flexible display are all connected to the bending support pieces are connected.

Further, the folder includes:

a first connecting part, the first housing is connected to the first connecting part;

a second connection part, the second housing is connected to the second connection part;

A rotating shaft, the first connecting part is connected to the second connecting part through the rotating shaft.

Further, the folding shell assembly also includes:

a first protection member, the first protection member is connected to the outer edge of the first housing;

a second protective part, the second protective part is connected to the outer edge of the second housing;

Both the first protection part and the second protection part are higher than or equal to the upper surface of the flexible display screen.

In the present application, by providing sliders on both sides of the folder, and the sliding direction (Y axis) of the slider is perpendicular to the axis direction (X axis) of the folder, specifically, when the flexible screen assembly is When bending, along the direction perpendicular to the axis of the folding piece, the two ends of the flexible display screen can slide with the stacked shell assembly under the action of the sliding piece, thereby uniformly reducing the overall force between the film layers. In order to meet the required amount of interlayers between the various film layers of the flexible display screen during the bending process, avoid degumming and arching of the flexible display screen during the inward bending or outward bending operation, The reliability and the effect during use of the flexible screen assembly are improved.

In addition, connecting the sliding part to the end face of the flexible display screen facing the folding shell assembly can also improve the overall structural strength of the flexible display screen and better meet the use requirements of the flexible display screen. At the same time, this design The method has the advantages of simple structure and low manufacturing cost, meets the conditions of mass production, and has excellent market application prospects.

A second aspect of the present application provides a terminal, including the above-mentioned flexible screen assembly.

In this application, the terminal has the same advantages as the above-mentioned flexible screen assembly, which have been clearly explained above and will not be repeated here.

Description of drawings

Fig. 1 is a structural schematic diagram of a flexible screen assembly in the prior art when it is bent;

Fig. 2 is a schematic structural diagram of a flexible screen assembly provided by an embodiment of the present application;

Fig. 3 is a schematic structural diagram of a flexible display screen, a slider and an adhesive layer provided by an embodiment of the present application;

Fig. 4 is a structural schematic diagram of the flexible screen assembly provided by the embodiment of the present application and the flexible screen assembly of the prior art when they are respectively bent;

Fig. 5 is an exploded photo of the flexible screen assembly provided by the embodiment of the present application;

Fig. 6 is a schematic structural diagram of a sliding member, a first slideway and a second slideway provided by the embodiment of the present application.

Fig. 7 is the enlarged view of place A in Fig. 6;

Fig. 8 is a schematic structural view of the flexible screen assembly provided in the embodiment of the present application when it is in a bent state;

Fig. 9 is a schematic structural view of the flexible screen assembly provided by the embodiment of the present application when it is in an unfolded state;

Fig. 10 is a schematic structural diagram of a folding shell assembly provided by an embodiment of the present application;

FIG. 11 is an enlarged view at B in FIG. 10 .

Reference signs:

1a - flexible display;

2a - Folding shell assembly;

3a - adhesive layer;

1- flexible display;

11 - the first non-bending zone;

12 - the second non-bending zone;

13 - bending area;

2 - Folding shell assembly;

21 - folding piece;

211 - the first connecting part;

212 - the second connecting part;

213 - rotating shaft;

22 - the first shell;

23 - second housing;

24 - first protection piece;

25 - second protection piece;

26-viscose layer;

27 - bending support;

3 - Slider;

31 - the first sliding part;

32 - the second sliding part;

4- the first slide;

5- the second slideway;

6- Cover plate.

5 specific implementation

The terms used in the embodiments of the present application are only used to explain specific embodiments of the present application, and are not intended to limit the present application.

Electronic terminals such as mobile phones, tablet computers, and smart wearable devices have become indispensable objects at present, which not only enriches life, but also improves the quality of life. Under the background of the rapid development of science and technology, people not only require electronic terminals to have good performance, but also put forward higher requirements on the appearance of electronic terminals.

Taking mobile phones as an example, from keypad mobile phones to touch screen mobile phones, to large-sized mobile phones and the most popular "full screen" mobile phones, all of them take into account the user's sense of experience. Furthermore, in order to better satisfy the user's sense of experience, the foldable terminal device derived from the flexible display screen 1a can obtain a larger display area in the unfolded state due to its ability to bend or bend, and in the folded state It is convenient for users to carry it, which has become the development trend of mobile terminals at present.

Specifically, the flexible display screen 1a has a multi-layer structure, and each film layer is connected by a coating or an adhesive layer 3a (such as optical glue, Optically Clear Adhesive, OCA for short), wherein the coating layer used to connect the various film layers Alternatively, the adhesive layer 3a has elasticity, and when the flexible display screen 1a and the folding shell assembly 2a of the terminal are bent synchronously, as shown in FIG. Absorbed by the adhesive layer 3a or the plating layer, thereby realizing the bending of the flexible display screen 1a and constant length after unfolding. However, due to the limited elastic performance of the coating or the adhesive layer 3a, as the number of folds increases, when the adhesive layer 3a and the coating cannot meet the stress and strain of the shift displacement between the film layer and the film layer, the gap between the film layer and the film layer There will be problems of separation, arching or degumming in between, resulting in abnormal display of the flexible display 1a.

In view of the above problems, in order to prevent degumming and arching of the flexible display 1 during inward bending or outward bending, as shown in FIG. 2 , a flexible display is provided in this embodiment. An assembly, the flexible screen assembly includes a flexible display 1 , a folding shell assembly 2 and a sliding part 3 .

Specifically, the flexible display screen 1 is connected to the folding shell assembly 2, and the sliding member 3 is connected to the lower end surface of the flexible display screen 1 (the end face of the flexible display screen 1 facing the folding shell assembly 2), and the sliding member 3 is located on the flexible display screen 1 Between the folding shell assembly 2, wherein the slider 3 is slidingly fitted with the folding shell assembly 2, and the sliding direction (Y-axis) of the sliding piece 3 is parallel to the staggered direction of the flexible display 1, through the flexible display 1 The sliding part 3 is designed to be parallel to the staggered direction to realize the sliding fit between the flexible display 1 and the folding shell assembly 2. As shown in Figure 2 and Figure 3, when the flexible screen assembly is bent, the flexible display 1. Under the action of the slider 3, it can undergo relative displacement with the folding shell assembly 2, and use the sliding of the flexible display screen 1 and the folding shell assembly 2 to reduce the force between the film layers of the flexible display screen 1, thereby satisfying the flexible display requirements. During the bending process of the screen 1, the amount of interlayers required between the film layers can avoid degumming and arching during the inward bending or outward bending of the flexible display 1, and improve the The reliability of the flexible screen assembly and the effect during use.

In addition, connecting the slider 3 to the end surface of the flexible display 1 facing the folding shell assembly 2 can also improve the overall structural strength of the flexible display 1 and better meet the use requirements of the flexible display 1. At the same time, this design method has a simple structure and low manufacturing cost, meets the conditions for mass production, and has excellent market application prospects.

In this embodiment, the flexible display 1 may be an organic light emitting diode display, an active matrix organic light emitting diode or an active matrix organic light emitting diode display. Further, the multilayer structure of the flexible display screen 1 may include a cathode layer, an organic light-emitting layer, and an anode layer, and of course may also include structures such as an electron transport layer and a polarizer layer, which will not be described in detail here.

The sliding part 3 can be a cube, a cylinder and other structures, and the specific shape and structure of the sliding part 3 can also be designed according to the structure of the flexible screen assembly, and other sliding structures can also be used. In this embodiment, the structure of the sliding part 3 is not adjusted. be specifically limited. Wherein, the sliding member 3 may be connected to the lower end surface of the flexible display screen 1 by bonding or plating.

As shown in FIG. 5, specifically, the folding shell assembly 2 includes a first shell 22, a second shell 23, and a folding member 21, and the first shell 22 is hinged to the second shell 23 through the folding member 21, thereby realizing the For the folding and unfolding of the flexible screen assembly, the sliding part 3 can be separately designed on the same side of the folding part 21 . In this embodiment, in order to better prevent the phenomenon of degumming and arching of the flexible display screen 1 when it is bent, sliding parts 3 are provided on both sides of the folding part 21, and the sliding direction of the sliding part 3 (Y axis) is perpendicular to the axial direction (X-axis) of the folder 21, by setting the sliders 3 on both sides of the folder 21, specifically, on the first housing 22 and the second housing 23 along the folder 21 A plurality of sliders 3 are respectively provided in the axial direction (X-axis), and when the flexible screen assembly is bent, along the axis direction perpendicular to the folding member 21, the two ends of the flexible display screen 1 can respectively be positioned on the sides of the sliders 3. Under the action, the corresponding first housing 22 and the second housing 23 slide, thereby uniformly reducing the overall force between the various film layers.

Among them, other electronic components may also be provided on the first housing 22 and the second housing 23, such as cameras, earphones, earpieces, buttons, batteries, etc., the embodiment of the present application is for the first housing 22 and the second housing Other electronic components arranged on the body 23 are not limited.

In this embodiment, the first casing 22, the second casing 23, and the flexible display screen 1 can be connected to each other through glue, specifically, between the first casing 22 and the flexible display screen 1 and the second casing A plurality of adhesive layers 26 are arranged between the body 23 and the flexible display screen 1, and the first housing 22 and the second housing 23 are bonded to the flexible display screen 1 through the adhesive layer 26. Specifically, the flexible display screen 1 A part is fixed on the first housing 22 through the adhesive layer 26 , a part is fixed on the second housing 23 through the adhesive layer 26 , and the rest is located between the first housing 22 and the second housing 23 .

As shown in Fig. 2, Fig. 3 and Fig. 6, wherein a plurality of viscose layers 26 are spaced apart from each other, this structural design reduces the contact between the first housing 22 and the second housing 23 and the flexible display screen 1. Therefore, the fixed stress between the flexible display screen 1 and the folding shell assembly 2 is reduced, and the smoothness of sliding between the flexible display screen 1 and the first casing 22 and the second casing 23 is improved. It can better satisfy the amount of interlayer required when the flexible display 1 is bent, and avoid degumming and arching of the flexible display 1.

In this embodiment, the adhesive layer 26 can be double-sided adhesive, OCA, and acrylic, rubber, silicone or their combination, which is not specifically limited here, as long as the shell and the flexible display 1 can be realized. A firm connection between them is sufficient.

As shown in Figures 6 and 7, in this embodiment, in order to improve the stability of the slider 3 during movement, specifically, a first slideway 4 is formed between two adjacent adhesive layers 26, wherein , there are a plurality of sliding parts 3, and each sliding part 3 includes a first sliding part 31, the first sliding part 31 corresponds to the first slideway 4 and is slidably fitted with each other, through the design of the first slideway 4, It can ensure the stability of the movement of the slider 3 and ensure that the trajectory of the slider 3 is kept along the staggered direction of the flexible display 1 at all times, so that the flexible display 1 and the folding shell assembly 2 can be slid to reduce the flexibility of the display. The magnitude of the force between the film layers of the screen 1 further satisfies the interlayer displacement required between the film layers of the flexible display 1 during the bending process.

In this embodiment, the sliding member 3 may be made of metal, silicone, resin and other materials, but is not limited to the above materials. Specifically, the sliding member 3 may be a rectangular parallelepiped or a cylindrical structure.

As shown in Figure 6 and Figure 7, further, in order to better improve the stability of the movement of the slider 3, in this embodiment, the first housing 22 and the second housing 23 may also be provided with second There are multiple slideways 5, and there are multiple second slideways 5. Specifically, the slider 3 further includes a second sliding portion 32, wherein the first sliding portion 31 extends outward from the end surface of the flexible display screen 1 to form the second sliding portion 32. , the second sliding part 32 is in one-to-one correspondence with the second slideway 5 and is slidably matched with each other. By adding the second slideway 5, the stability of the movement of the slider 3 can be better ensured, thereby better improving the flexibility of the flexible screen. Assembly reliability.

The first housing 22 and the second housing 23 are recessed toward the end face of the flexible display screen 1 to form the second slideway 5, or the first slideway 4 can be formed between the first housing 22 and the second housing An adhesive layer 26 is provided on the end surface of the body 23 facing the flexible display screen 1, and the adhesive layer 26 is spaced apart from each other to form the second slideway 5. In this embodiment, the design of the second slideway 5 is not specifically limited. .

In this embodiment, in order to improve the smoothness of the movement of the slider 3, preset Spacing (not shown), by setting the preset spacing, the contact between the first sliding part 31 and the first slideway 4 and between the second sliding part 32 and the second slideway 5 can be avoided, thereby reducing the frictional resistance, While ensuring that the movement trajectory of the sliding member 3 does not deviate, the smoothness of movement of the sliding member 3 is improved.

Further, for the design of the first slideway 4, the size of the first slideway 4 can be changed by adjusting the volume of the adhesive layer 26, the interval size and other parameters; for the design of the second slideway 5, the first Parameters such as the recessed depth and width of the housing 22 and the second housing 23 are used to change the size of the second slideway 5, wherein, the size design of the first slideway 4 and the second slideway 5 is not limited to the above-mentioned manner .

In order to better improve the smoothness of the movement of the slider 3, a lubricant can be applied in the first slideway 4 and the second slideway 5, and the lubricating effect of the lubricant can further reduce the contact between the first slide part 31 and the first slideway 5. Frictional resistance between the slideways 4 and between the second slide part 32 and the second slideway 5 .

In order to realize that the first casing 22 and the second casing 23 can be stacked together, the folding member 21 can be made of a material with good elastic properties, and the deformation of the folding member 21 is used to realize the first casing 22 and the second casing. The second shell 23 rotates along the axis of the folding member 21, as shown in Figure 8, when the angle α between the first shell 22 and the second shell 23 is less than 180°, the flexible screen assembly is in the folded state ; As shown in FIG. 9 , when the angle α between the first housing 22 and the second housing 23 increases to 180°, the flexible screen assembly is in an unfolded state. Wherein, the folding member 21 can be specifically developed according to the design structure of the flexible screen assembly, and other folding structures can also be adopted.

As shown in FIG. 10 , a feasible design structure of the folder 21 is provided in this embodiment. Specifically, the folder 21 includes a first connecting portion 211 , a second connecting portion 212 and a rotating shaft 213 . The first housing 22 and The first connecting part 211 is connected, and the second housing 23 is connected to the second connecting part 212, wherein the first connecting part 211 is connected to the second connecting part 212 through the rotating shaft 213, and the first housing 22 is connected to the second connecting part 212 through the rotating shaft 213. The relative rotation of the two shells 23.

Specifically, based on the structural design of the flexible screen assembly, when the first housing 22 and the second housing 23 do not have bending properties, the area on the flexible display 1 connected to the first housing 22 cannot Bending, this part of the area is the first non-bending area 11 as shown in Figure 10; similarly, the area on the flexible display 1 connected to the second housing 23 is also supported by the second housing 23. Can not be bent, this part of the area is the second non-bending area 12 as shown in Figure 10; wherein, the part between the first non-bending area 11 and the second non-bending area 12 can be bent, this part The area is the bending area 13 as shown in FIG. 10 .

Please continue to refer to FIG. 10 , in this embodiment, in order to support the bending area 13 of the flexible display screen 1 , the folding housing assembly 2 may further include a bending support 27 , and the bending support 27 is located on the folding member 21 toward the flexible surface. The end surface of the screen, and the first shell 22, the second shell 23 and the bending area 13 of the flexible screen are all connected to the bending support 27, and the bending support 27 supports the bending area 13, so as to During the bending process of the flexible screen assembly, the bending area 13 of the flexible display screen 1 has good impact resistance, which reduces the probability of damage to the flexible display screen 1 in the bending area 13, thereby improving the flexibility of the bending area 13. stiffness and impact resistance.

At the same time, after the bending support member 27 is connected with the folding member 21, the bending support member 27 can respectively fix and connect the flexible display screen 1 on its upper surface and the folding member 21 on the lower surface, so that the bending of the flexible display screen 1 The folding area 13 can be firmly connected to the folding shell assembly 2 to better avoid degumming and arching of the flexible display screen 1 during the bending process.

Further, while preventing degumming and arching of the flexible display screen 1 during the bending process, the structural strength of the flexible display screen 1 can also be guaranteed. As shown in FIG. 11 , in this embodiment, the folding shell assembly 2 also includes a first protective piece 24 and a second protective piece 25, the first protective piece 24 is connected to the outer edge of the first shell 22, and the second protective piece 25 is connected to the outer edge of the second shell 23, wherein , the first protection member 24 and the second protection member 25 are higher than or equal to the upper surface of the flexible display 1, using the first protection member 24 and the second protection member 25, when the flexible screen assembly falls or collides, the second The first protection part 24 and the second protection part 25 can be in contact with the collision point before the flexible display screen 1, which enhances the protection of the flexible display screen 1, and further improves the structural strength of the flexible screen assembly.

Wherein, the first protection member 24 can be connected to the edge of the first housing 22 by means of bonding, clamping, etc., and the second protection member 25 can also be connected to the edge of the second housing 23 by means of bonding, clamping, etc. Or, the first protection part 24 is integrally formed with the first casing 22 , and the second protection part 25 is integrally formed with the second casing 23 .

As shown in FIG. 8 and FIG. 9 , further, in order to better protect the flexible display screen 1 , the flexible screen assembly may further include a cover plate 6 attached to the upper surface of the flexible display screen 1 . Wherein, the cover plate 6 can be made of a transparent base material, such as thin glass, resin and other materials with flexibility and rigidity. When the first housing 22, the second housing 23 and the flexible display screen 1 are fixedly connected, the cover plate 6 can be bonded to the first housing 22 and the second housing 23 respectively, specifically, the edge of the cover plate 6 can be Adhere to the side walls of the first housing 22 and the second housing 23, the flexible display screen 1 is located between the two housings and the cover plate 6, so as to protect the flexible display screen 1 through the housing and the cover plate 6 .

This embodiment provides a terminal, which includes the flexible screen assembly in any one of the foregoing embodiments. Wherein, the terminal may be a smart phone, a tablet computer, a wearable device, and the like.

In this embodiment, the terminal includes, but is not limited to, configured to be connected via a wired line, for example, via a public switched telephone network (PSTN, Public Switched Telephone Network), a digital subscriber line (DSL, Digital Subscriber Line), a digital cable, a direct cable connection , and/or receive/ A device for sending communication signals.

Wherein, a terminal configured to pass through a wireless interface may be referred to as a "wireless communication terminal", a "wireless terminal" or a "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; personal communication system terminals that may combine cellular radiotelephones with data processing, facsimile, and data communication capabilities; and conventional laptop and/or palm-type receivers or receivers including wireless telephony other electronic devices of the device.

The above are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (7)

1. A flexible screen assembly, comprising:

a flexible display screen;

a folding housing assembly to which the flexible display screen is connected, wherein the folding housing assembly includes a folder;

the sliding piece is connected to the end face, facing the folding shell component, of the flexible display screen, and the sliding piece is arranged on each of two sides of the folding piece;

the sliding piece is in sliding fit with the folding shell component, and the sliding direction of the sliding piece is perpendicular to the axis of the folding piece;

the folding case assembly further comprises:

a first housing;

the first shell is connected with the second shell through the folding piece;

the first shell and the second shell are bonded with the flexible display screen through the adhesive layers;

a first slide way is formed between every two adjacent adhesive layers;

the sliding parts are multiple, and each sliding part comprises a first sliding part;

the first sliding parts correspond to the first slide ways one by one and are in sliding fit with each other.

2. The flexible screen assembly of claim 1, wherein a plurality of second runners are disposed on each of the first housing and the second housing;

the sliding piece further comprises a second sliding part, and the first sliding part extends outwards away from the end face of the flexible display screen to form the second sliding part;

the second sliding parts correspond to the second slide ways one by one and are in sliding fit with each other.

3. The flexible screen assembly of claim 2, wherein there is a predetermined spacing between the first sliding portion and the first slide and between the second sliding portion and the second slide, respectively.

4. The flexible screen assembly of claim 1, wherein the folding housing assembly further comprises a bend support;

the bending support piece is located at the position, facing the end face of the flexible screen, of the folding piece, and the bending areas of the first shell, the second shell and the flexible display screen are connected with the bending support piece.

5. The flexible screen assembly of claim 1, wherein the folding member comprises:

the first shell is connected with the first connecting part;

a second connecting portion to which the second housing is connected;

the first connecting portion is connected with the second connecting portion through the rotating shaft.

6. The flexible screen assembly of claim 1, wherein the folding housing assembly further comprises:

the first protection piece is connected to the outer edge of the first shell;

a second protector attached to an outer edge of the second housing;

the first protection piece and the second protection piece are both higher than or equal to the upper surface of the flexible display screen.

7. A terminal, characterized in that it comprises a flexible screen assembly according to any one of claims 1 to 6.

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