CN111261036B

CN111261036B - Foldable device

Info

Publication number: CN111261036B
Application number: CN201811455416.7A
Authority: CN
Inventors: 李松; 马浚原; 丁金波
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2018-11-30
Filing date: 2018-11-30
Publication date: 2022-02-15
Anticipated expiration: 2038-11-30
Also published as: CN111261036A

Abstract

The disclosure relates to a foldable device, and belongs to the technical field of terminals. The foldable device comprises: casing, at least one deck flexible protection apron and display module assembly. The display module is arranged in the shell, and the at least one layer of flexible protective cover plate is arranged on the display module and used for displaying the display content on the display module; the at least one layer of flexible protection cover plate is made of a first material and a second material, and the first material is a PI film. At least one layer of flexible protection cover plate of the foldable equipment is folded along with the foldable equipment, the problem that the flexible protection cover plate is fragile due to one material of flexible glass is avoided, and the service life of the foldable equipment is prolonged.

Description

Foldable device

Technical Field

The present disclosure relates to the field of terminal technology. And more particularly to a foldable device.

Background

With the rapid development of mobile terminals, foldable devices are in operation to meet the requirements of users for large screens. The foldable device may be unfolded when the user wants to view a large screen, and folded when the user wants to save the occupied space.

A flexible protective cover plate is arranged on a display module of the foldable equipment and used for displaying contents on the display module. When the foldable device is folded, the flexible protective cover plate is also folded at the same time. In the related art, the flexible protective cover plate is generally made of only one material, and the material is flexible glass.

Disclosure of Invention

The embodiment of the disclosure provides a foldable device, which can solve the problem that a flexible protective cover plate is fragile due to one material of flexible glass. The technical scheme is as follows:

according to a first aspect of embodiments of the present disclosure, there is provided a foldable device comprising:

the display module comprises a shell, at least one layer of flexible protection cover plate and a display module;

the display module is arranged in the shell;

the at least one layer of flexible protective cover plate is arranged on the display module;

the material of at least one layer of flexible protection apron includes first material and second material, first material is polyimide PI membrane.

In a possible implementation manner, the second material is a PI film, flexible glass, or glass fiber.

In a possible implementation manner, when the at least one layer of flexible protective cover is two layers, the at least one layer of flexible protective cover is a first flexible protective cover and a second flexible protective cover respectively;

the first flexible protective cover plate is arranged on the second flexible protective cover plate, and the second flexible protective cover plate is arranged on the display module;

the first flexible protective cover plate is made of the first material, and the second flexible protective cover plate is made of the second material; the second material is the PI film or the flexible glass.

the first flexible protective cover plate is made of the second material, the second flexible protective cover plate is made of the first material, and the second material is the flexible glass.

In a possible implementation manner, when the at least one layer of flexible protective cover is a layer of flexible protective cover, the layer of flexible protective cover includes at least one folding area and at least one display area, the at least one display area is made of the first material, the at least one folding area is made of the second material, and the second material is the flexible glass.

In a possible implementation manner, the material of the layer of flexible protective cover plate further includes a composite material;

and a transition area is arranged between the adjacent folding area and the display area, and the transition area is made of the composite material.

In a possible implementation manner, when the at least one layer of flexible protective cover is a layer of flexible protective cover, the layer of flexible protective cover includes at least one folding area and at least one display area, the at least one display area is made of the first material, the at least one folding area is made of the second material, and the second material is the glass fiber.

In one possible implementation, the composite material is the glass fiber.

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

the foldable device provided by the embodiment of the disclosure comprises a shell, at least one layer of flexible protective cover plate and a display module. The display module is arranged in the shell, and the at least one layer of flexible protective cover plate is arranged on the display module and used for displaying the display content on the display module. The at least one layer of flexible protection cover plate is made of a first material and a second material, and the first material is a PI film. At least one layer of flexible protection cover plate of the foldable equipment is folded along with the foldable equipment, the problem that the flexible protection cover plate is fragile due to one material of flexible glass is avoided, and the service life of the foldable equipment is prolonged.

Drawings

Fig. 1 is a schematic view of a foldable device provided by an embodiment of the present disclosure;

FIG. 2 is a schematic view of another foldable device provided by embodiments of the present disclosure;

FIG. 3 is a schematic view of another foldable device provided by embodiments of the present disclosure;

FIG. 4 is a schematic view of another foldable device provided by embodiments of the present disclosure;

FIG. 5 is a schematic view of another foldable device provided by embodiments of the present disclosure;

FIG. 6 is a schematic view of another foldable device provided by embodiments of the present disclosure;

FIG. 7 is a schematic view of another foldable device provided by embodiments of the present disclosure;

fig. 8 is a schematic view of another foldable device provided by embodiments of the present disclosure.

The reference numerals denote:

1-shell, 11-first shell, 12-second shell, 13-rotating shaft, 2-flexible protective cover plate,

21-a first flexible protective cover, 22-a second flexible protective cover, 23-a folding area, 24-a display area,

241-a first display area, 242-a second display area, 25-a transition area, 3-a display module.

Detailed Description

In order to make the technical solutions and advantages of the present disclosure clearer, the following describes embodiments of the present disclosure in further detail.

Embodiments of the present disclosure provide a foldable device, see fig. 1, comprising:

the display module comprises a shell 1, at least one layer of flexible protective cover plate 2 and a display module 3;

the display module 3 is arranged in the shell 1;

at least one layer of flexible protective cover plate 2 is arranged on the display module 3.

The at least one layer of flexible protective cover plate 2 is made of a first material and a second material, and the first material is a PI (polyimide) film.

The flexible protective cover plate is transparent and used for protecting the display module and displaying the display content on the display module.

The second material and the first material may be the same or different. The second material is the same as the first material, and the second material is also a PI film. When the second material is different from the first material, the second material is flexible glass or glass fiber. The PI film has excellent high and low temperature resistance, high compressive strength and good tensile property. The flexible glass is a bendable substance with strong flexibility. The glass fiber has good insulation property, strong heat resistance, high mechanical strength and good bending resistance.

The housing 1 is a foldable housing. The housing 1 may be a flexible and foldable housing; the housing 1 may also include a first housing 11, a second housing 12, and a shaft 13. The first housing 11 and the second housing 12 are connected by a rotating shaft 13, and the first housing 11 and the second housing 12 can rotate around the rotating shaft 13 to realize folding.

The foldable device comprises at least one layer of flexible protective cover plates 2, the number of the flexible protective cover plates 2 can be set and changed according to needs, and in the embodiment of the disclosure, the number of the flexible protective cover plates 2 is not particularly limited; for example, the number of flexible protective cover plates 2 may be 1, 2, 3, etc. The thickness of each flexible protective cover 2 may or may not be the same. And, each flexible protective cover 2 is a foldable flexible protective cover. The thickness of the foldable flexible protective cover plate can be set and changed according to the requirement. In the embodiments of the present disclosure, the thickness of the foldable flexible protection cover is not particularly limited.

The casing 1 is provided with a groove, and the display module 3 is arranged in the groove. The display module 3 may be an OLED (Organic Light-Emitting Diode) display module or an LED (Light-Emitting Diode) display module. In the embodiment of the present disclosure, the display module 3 is not particularly limited. The number of the display modules 3 may be one or more. When the display module 3 is one, the display module 3 may be a foldable display module. When the display module 3 is a plurality of, the number of a plurality of display modules can be set according to the number of the display areas of the foldable device. For example, the foldable device has two display areas, the number of the display modules 3 may be two; the foldable device has three display areas, and the number of the display modules 3 can be three. In the embodiment of the present disclosure, the number of the display modules 3 is not particularly limited.

It should be noted that the foldable device may further include a support member, which is disposed below the display module 3 and attached to the lower surface of the display module 3, and is used for supporting the display module 3. Wherein, the size of this support piece is the same with the size of this display module.

The foldable device provided by the embodiment of the present disclosure includes a housing 1, at least one layer of flexible protective cover 2, and a display module 3. The display module assembly 3 is arranged in the shell 1, and the at least one layer of flexible protective cover plate 2 is arranged on the display module assembly 3 and used for displaying the display content on the display module assembly 3. The at least one layer of flexible protective cover plate 2 is made of a first material and a second material, and the first material is a PI film. At least one layer of flexible protective cover plate 2 of the foldable equipment is folded along with the foldable equipment, the problem that the flexible protective cover plate is fragile due to one material of flexible glass is avoided, and the service life of the foldable equipment is prolonged.

The disclosed embodiments provide a foldable device that may include a multi-layer flexible protective cover 2, and at least one layer of flexible protective cover 2 is illustrated as two layers in the disclosed embodiments. The foldable device comprises two layers of flexible protective cover 2, a first flexible protective cover 21 and a second flexible protective cover 22.

In one possible implementation, referring to fig. 2, the first flexible protective cover 21 is disposed on the second flexible protective cover, and the second flexible protective cover 22 is disposed on the display module 3. The first flexible protective cover 21 is made of a first material, and the second flexible protective cover 22 is made of a second material; the first material and the second material are both PI films.

The flexible glass is characterized by being hard and brittle, and is fragile in the process of folding and pressing the flexible protective cover plate 2. Compare in flexible glass, PI membrane compressive strength is stronger than flexible glass, and two-layer PI membrane can effectively strengthen the compressive strength of flexible protection apron 2, has prolonged the life of collapsible equipment.

In another possible implementation, referring to fig. 3, the first flexible protective cover 21 is disposed on the second flexible protective cover, and the second flexible protective cover 22 is disposed on the display module 3. The first flexible protective cover 21 is made of a first material, and the second flexible protective cover 22 is made of a second material; the first material is a PI film, and the second material can be flexible glass.

The flexible protective cover plate 2 in the implementation mode is two-layer, the two layers of materials are different, the problem that the flexible protective cover plate is fragile due to only one material of flexible glass is avoided, and the service life of the foldable equipment is prolonged.

In another possible implementation, referring to fig. 4, the first flexible protective cover 21 is disposed on the second flexible protective cover, and the second flexible protective cover 22 is disposed on the display module 3. The first flexible protective cover 21 is made of a second material, and the second flexible protective cover 22 is made of a first material; the first material is a PI film, and the second material can be flexible glass.

The flexible protective cover plate 2 in the implementation mode is two-layer, the two layers are made of different materials, the upper layer is made of flexible glass, and the problem that creases possibly appear in the PI film in the multi-folding process to affect the texture of the foldable equipment is solved.

The thickness of the first flexible protective cover 21 and the thickness of the second flexible protective cover 22 may be the same or different. In the embodiments of the present disclosure, this is not particularly limited. For example, the thickness of the first flexible protective cover 21 and the thickness of the second flexible protective cover 22 are the same. The size of the first flexible protective cover 21 and the size of the second flexible protective cover 22 may be the same or different. In the embodiments of the present disclosure, this is not particularly limited. For example, the first flexible protective cover 21 and the second flexible protective cover 22 are the same size.

The foldable device provided by the embodiment of the present disclosure sets at least one layer of flexible protective cover 2 as two layers, namely a first flexible protective cover 21 and a second flexible protective cover 22. When the first flexible protective cover 21 is disposed on the second flexible protective cover 22, the second flexible protective cover 22 is disposed on the display module 3. The materials of the first flexible protective cover plate 21 and the second flexible protective cover plate 22 can be the same or different, so that the selectivity and the compressive strength of the flexible protective cover plate 2 of the foldable equipment are enhanced, the texture of the foldable equipment is improved, the problem that the flexible protective cover plate is fragile due to only one material of flexible glass is avoided, and the service life of the foldable equipment is prolonged.

It should be noted that in the embodiment of the present disclosure, the foldable device is described as including two layers of flexible protective cover 2. And the foldable device may also comprise three or four layers of flexible protective cover 2 etc. For example, when the foldable device comprises three layers of flexible protective cover 2, the foldable device comprises a third flexible protective cover 23 in addition to the first flexible protective cover 21 and the second flexible protective cover 22. The third flexible protective cover 23 may be disposed on the first flexible protective cover 21, or between the first flexible protective cover 21 and the second flexible protective cover 22, or between the second flexible protective cover 22 and the display module 3. Also, the third flexible protective cover 23 may be a PI film or flexible glass.

The disclosed embodiments provide a foldable device, and the disclosed embodiments are illustrated with at least one layer of flexible protective cover 2 as one layer. Correspondingly, the layer of flexible protective cover 2 is disposed on the display module 3.

The foldable device can be unfolded or folded; therefore, the layer of flexible protective cover 2 includes at least one folding area 23 and at least one display area 24, the at least one display area 24 is made of a first material, the at least one folding area 23 is made of a second material, the first material is a PI film, and the second material is flexible glass.

It should be noted that in the embodiment of the present disclosure, when the foldable device is in the unfolded state, the area of the whole layer of the flexible protective cover 2 is referred to as the display area 24; when the foldable device is in a folded state, the region where the one-layer flexible protective cover plate 2 is folded is called a folding region 23, the region outside the folding region 23 is called a display region 24, and the display region 24 can display the display content on the display module 3, so that a user can visually see the display content on the display module 3 through the display region 24.

In one possible implementation, referring to fig. 5, the at least one display area 24 is made of PI film, and the at least one folding area 23 is made of flexible glass. The flexible glass is resistant to bending, and the PI membrane compressive strength is big, therefore, uses two kinds of materials of PI membrane and flexible glass on one deck flexible protection apron 2, has strengthened the compressive strength of flexible protection apron 2, avoids the crease that folding many times probably appears to influence the feel of collapsible equipment, has strengthened the practicality and the feel of collapsible equipment. In addition, the problem that the flexible protective cover plate is fragile due to one material of flexible glass is avoided, and the service life of the foldable equipment is prolonged.

In another possible implementation, referring to fig. 6, for each of the at least one display area 24, the material in the display area 24 may be a PI film partially and a flexible glass partially. Correspondingly, the display area 24 can be divided into a first display area 241 and a second display area 242, the first display area 241 is made of PI film, and the second display area 242 is made of flexible glass. The first display area 241 may be a pressing area when the foldable device is folded, and the second display area 242 may be a non-pressing area.

The size of the first display area 241 and the size of the second display area 242 may be set and changed as needed. In the embodiments of the present disclosure, this is not particularly limited. For example, the size of the first display region 241 is greater than, less than, or equal to the size of the second display region 242.

In another possible implementation, see fig. 7, the layer of flexible protective cover sheet 2 also comprises a composite material. A transition area 25 is arranged between the adjacent folding area 23 and the display area 24, and the material of the transition area 25 is composite material. The composite material is glass fiber or siloxane mixed material. In the embodiments of the present disclosure, the composite material is not particularly limited. For example, in embodiments of the present disclosure, the composite material may be fiberglass.

When the one-layer flexible protective cover plate 2 comprises the composite material, the flexible protective cover plate 2 comprises three materials, namely a PI film, flexible glass and glass fiber. A transition area 25 may be disposed between the adjacent folding area 23 and the display area 24, the transition area 25 is used for connecting the folding area 23 and the display area 24, and the material of the transition area 25 is glass fiber. The glass fiber adopted in the transition area 25 can avoid the problems that two different materials are directly connected, the connection is not tight and the connection is easy to break at the connection position, and the compressive strength of the transition area 25 can be enhanced.

The silicone blend material has high compressive strength, good elasticity, and good bending resistance.

In another possible implementation manner, referring to fig. 8, the one-layer flexible protective cover 2 includes at least one folding area 23 and at least one display area 24, where the at least one display area 24 is made of a first material, the at least one folding area 23 is made of a second material, the first material is a PI film, and the second material is glass fiber.

In this implementation, the PI film is disposed in the display region 24, and the glass fiber is disposed in the folding region 23. The glass fiber has good insulation property, strong heat resistance, high mechanical strength and bending resistance. Therefore, the display area 24 is made of the PI film, and the folding area 23 is made of the glass fiber, so that the compressive strength of the flexible protection cover plate 2 is enhanced, and the problem that the texture of the flexible protection cover plate 2 is affected due to the fact that the flexible protection cover plate 2 is folded for multiple times due to creases is avoided. In addition, the problem that the flexible protective cover plate is fragile due to one material of flexible glass is avoided, and the service life of the foldable equipment is prolonged.

When a layer of the flexible protective cover 2 comprises one folding area 23, the one folding area 23 divides the flexible protective cover 2 into two display areas 24. The two display areas 24 may or may not be the same size. In the embodiments of the present disclosure, this is not particularly limited. When the sizes of the two display areas 24 are the same, the sizes of the two display areas 24 may be any value. In the embodiments of the present disclosure, this is not particularly limited. For example, the two display areas 24 may each be 5 inches, 5.5 inches, or 6 inches in size. When the sizes of the two display areas 24 are not the same, the sizes of the two display areas 24 may be two values of either size. In the embodiments of the present disclosure, this is not particularly limited. For example, one display area 24 is 5 inches in size, and the other display area 24 is 6 inches in size; alternatively, one display area 24 may be 5.5 inches in size and the other display area 24 may be 6.5 inches in size.

When one layer of the flexible protective cover 2 comprises two folding areas 23, the two folding areas 23 divide the flexible protective cover 2 into three display areas 24. The three display areas 24 may or may not be the same size. In the embodiments of the present disclosure, this is not particularly limited. When the three display areas 24 are the same size, the two folding areas 23 equally divide the flexible protective cover 2 into three display areas 24, and the sum of the widths of the three display areas 24 is the width of the flexible protective cover 2. When the three display areas 24 are different in size, the size of the display area 24 in the intermediate position may be equal to the sum of the sizes of the other two display areas 24. For example, if the size of the middle display area 24 is 6 inches, the sum of the sizes of the other two display areas 24 is 6 inches. The other two display areas 24 may or may not be the same size. In the embodiments of the present disclosure, this is not particularly limited. For example, the size of the middle display area 24 may be 6 inches, and the other two display areas 24 may both be 3 inches, or one display area 24 may be 2 inches, and the other display area 24 may be 4 inches.

In the embodiment of the present disclosure, the housing 1 is a foldable housing, and the size of the housing 1 may be set and changed as needed, and in the embodiment of the present disclosure, the size of the housing 1 is not particularly limited. For example, the size of the case 1 is 10 inches, 11 inches, or 12 inches. The thickness of the housing 1 may be set and changed as needed, and in the embodiment of the present disclosure, the thickness of the housing 1 is not particularly limited. The thickness of the housing 1 is, for example, 3 mm, 4 mm or 5 mm.

The foldable device may comprise a plurality of display areas 24 and a plurality of folding areas 23. For example, when the foldable device includes two display areas 24, one folding area 23, and the housing 1 includes the first housing 11, the second housing 12, and the hinge 13, the size of the first housing 11 and the size of the second housing 12 may be the same or different. In the embodiments of the present disclosure, this is not particularly limited. For example, the first housing 11 and the second housing 12 are the same size. When the size of the first housing 11 and the size of the second housing 12 are the same, the size of the first housing 11 and the size of the second housing 12 may be any size. In the embodiments of the present disclosure, the size is not particularly limited. For example, the dimensions of the first housing 11 and the second housing 12 are 5.5 inches, 6 inches, or 6.5 inches.

When the foldable device includes three display areas 24, two folding areas 23, the housing 1 includes a first housing 11, a second housing 12, a third housing, a first hinge and a second hinge. The second housing 12 is located between the first housing 11 and the third housing, and the width of the second housing 12 is equal to the sum of the width of the first housing 11 and the width of the third housing. The width of the first housing 11 and the width of the third housing may be the same or different. In the embodiment of the present disclosure, the width of the first housing 11 and the width of the third housing are not particularly limited. When the housing 1 includes a plurality of housings, the plurality of housings are the same in length.

The foldable device provided by the embodiment of the disclosure sets at least one layer of flexible protective cover plate 2 as one layer. This flexible protection apron 2 of one deck includes two kinds or three kinds of different materials, has strengthened the selectivity and the compressive strength of flexible protection apron 2 materials, has avoided flexible protection apron 2 probably to appear the crease after folding many times, influences the problem of flexible protection apron 2 feel. In addition, the flexible protective cover plate 2 made of multiple materials avoids the problem that the flexible protective cover plate is fragile due to one material of flexible glass, and the service life of the foldable equipment is prolonged.

The above description is only for the purpose of facilitating understanding of the technical solutions of the present disclosure by those skilled in the art, and is not intended to control the present disclosure. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.

Claims

1. A foldable device, characterized in that the foldable device comprises:

the display module comprises a shell, at least one layer of flexible protection cover plate and a display module; the shell comprises a first shell, a second shell and a rotating shaft, the first shell and the second shell are connected through the rotating shaft, and the first shell and the second shell are folded by rotating around the rotating shaft;

the display module is arranged in the shell;

the flexible protection apron is including the first display area that the material is first material and the second display area that the material is the second material, first display area is right the region is pressed when folding operation is carried out to collapsible equipment, the second display area is right the region is pressed to non-when folding operation is carried out to collapsible equipment, first material is polyimide PI membrane.

2. The foldable device of claim 1, wherein the second material is PI film, flexible glass, or fiberglass.

3. The foldable device according to claim 2, wherein when the at least one layer of flexible protective cover is two layers, a first flexible protective cover and a second flexible protective cover, respectively;

4. The foldable device according to claim 2, wherein when the at least one layer of flexible protective cover is two layers, a first flexible protective cover and a second flexible protective cover, respectively;

5. The foldable device of claim 2, wherein when the at least one layer of flexible protective cover is a layer of flexible protective cover, the layer of flexible protective cover comprises at least one folding area and at least one display area, the at least one display area is the first material, the at least one folding area is the second material, and the second material is the flexible glass.

6. The foldable device of claim 5, wherein the material of the one layer of flexible protective cover further comprises a composite material;

7. The foldable device of claim 2, wherein when the at least one layer of flexible protective cover is a layer of flexible protective cover, the layer of flexible protective cover comprises at least one folding area and at least one display area, the at least one display area is the first material, the at least one folding area is the second material, and the second material is the fiberglass.

8. The foldable device of claim 6, wherein the composite material is the fiberglass.