electronic devices

Abstract

This application discloses an electronic device belonging to the field of electronic product technology. The electronic device includes: a frame assembly and a hinge assembly. The frame assembly includes a first frame and a second frame, which are rotatably connected by the hinge assembly; a flexible screen assembly disposed on one side surface of the first and second frames and bendable as the first and second frames rotate, the flexible screen assembly including a bending area and a support area, the bending area being opposite to the hinge assembly and the support area being opposite to either the first or second frame; and an adhesive assembly including a first adhesive member, a second adhesive member, and a flexible connecting structure. The first adhesive surface of the first adhesive member is bonded to the frame assembly, the second adhesive surface of the first adhesive member is bonded to the first end of the flexible connecting structure, the third adhesive surface of the second adhesive member is bonded to the flexible screen assembly, and the fourth adhesive surface of the second adhesive member is bonded to the second end of the flexible connecting structure.

Description

Technical Field

[0001] This application belongs to the field of electronic product technology, and specifically relates to an electronic device. Background Technology

[0002] Currently, foldable screens in foldable phones and other electronic devices are typically connected to the first and second frames using conventional adhesive structures. However, during a drop after the device is fully unfolded, the first and second frames tend to separate upon impact or collision. Conventional adhesive structures are insufficient to provide displacement for the connection between the foldable screen and the frames, making the foldable screen prone to being stretched. Furthermore, due to the stacking design and material properties of the screen's functional layers, the foldable screen is easily damaged under tension, leading to failures such as black blobs and air intake.

[0003] It is evident that foldable screens in related technologies are susceptible to damage from stretching. Summary of the Invention

[0004] The purpose of this application is to provide an electronic device that can solve the problem of foldable screens being easily damaged by pulling in related technologies.

[0005] To solve the above-mentioned technical problems, this application is implemented as follows:

[0006] This application provides an electronic device, including:

[0007] The frame assembly includes a first frame and a second frame, which are rotatably connected by the hinge assembly to allow the electronic device to switch between an unfolded state and a folded state.

[0008] A flexible screen assembly is disposed on one side surface of the first frame and the second frame, and can be bent as the first frame and the second frame rotate. The flexible screen assembly includes a bending area and a support area. The bending area is opposite to the hinge assembly, and the support area is opposite to the first frame or the second frame.

[0009] An adhesive assembly is located between the flexible screen assembly and the frame assembly, and on the side of the support area near the bending area. The adhesive assembly includes a first adhesive member, a second adhesive member, and a flexible connecting structure. The first adhesive surface of the first adhesive member is bonded to the frame assembly, the second adhesive surface of the first adhesive member is bonded to the first end of the flexible connecting structure, the third adhesive surface of the second adhesive member is bonded to the flexible screen assembly, and the fourth adhesive surface of the second adhesive member is bonded to the second end of the flexible connecting structure.

[0010] In the embodiments of this application, bonding to the frame assembly is achieved through a first adhesive member, and bonding to the flexible screen assembly is achieved through a second adhesive member. A flexible connecting structure connects the first and second adhesive members, thereby achieving bonding between the frame assembly and the flexible screen assembly. Compared to directly bonding the frame assembly and the flexible screen assembly through an adhesive structure, the adhesive members can provide a greater amount of sliding. Thus, when the electronic device is dropped in its unfolded state, the sliding amount provided by the adhesive members can effectively counteract the relative displacement of the first and second frames, improving the tensile deformation of the flexible screen assembly and enhancing its reliability.

[0011] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0012] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0013] Figure 1 This is one of the structural schematic diagrams of the electronic device provided in the embodiments of this application;

[0014] Figure 2 This is a second schematic diagram of the structure of the electronic device provided in the embodiments of this application;

[0015] Figure 3 This is the third schematic diagram of the structure of the electronic device provided in the embodiments of this application;

[0016] Figure 4 This is the fourth schematic diagram of the structure of the electronic device provided in the embodiments of this application;

[0017] Figure 5 for Figure 4 A schematic diagram of the adhesive assembly shown;

[0018] Figure 6 for Figure 5 A schematic diagram of the flexible connection structure shown;

[0019] Figure 7 This is the fifth schematic diagram of the structure of the electronic device provided in the embodiments of this application;

[0020] Figure 8 This is the sixth schematic diagram of the structure of the electronic device provided in the embodiments of this application. Detailed Implementation

[0021] The embodiments of this application will now be described in detail. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0022] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise stated, "multiple" means two or more. Furthermore, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0023] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0024] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0025] See Figures 1 to 8 The electronic device provided in this application includes a frame assembly 10, a hinge assembly 20, a flexible screen assembly 30, and an adhesive assembly 40. The frame assembly 10 includes a first frame 11 and a second frame 12. The first frame 11 and the second frame 12 are rotatably connected by the hinge assembly 20 so that the electronic device can switch between an unfolded state and a folded state.

[0026] The flexible screen assembly 30 is disposed on one side surface of the first frame 11 and the second frame 12, and can be bent as the first frame 11 and the second frame 12 rotate. The flexible screen assembly 30 includes a bending area and a support area. The bending area is opposite to the hinge assembly 20, and the support area is opposite to the first frame 11 or the second frame 12.

[0027] The bending area of ​​the flexible screen assembly 30 is opposite to the hinge assembly 20. It can be understood that the area of ​​the flexible screen assembly 30 that can be bent during the folding operation of the electronic device is the aforementioned bending area.

[0028] The flexible screen assembly 30 may include two support areas, which are respectively opposite to the first frame 11 and the second frame 12. That is, the flexible screen assembly 30 can be connected to the frame assembly 10 through the connection of its support areas, the first frame 11 and the second frame 12.

[0029] The adhesive component 40 is disposed between the flexible screen component 30 and the frame component 10 to achieve the adhesive fixation of the flexible screen component 30 and the frame component 10, and the adhesive component 40 is located on the side of the support area closer to the bending area.

[0030] The aforementioned adhesive assembly 40 includes a first adhesive member 41, a second adhesive member 42, and a flexible connection structure 43. The first adhesive surface of the first adhesive member 41 is bonded to the frame assembly 10, the second adhesive surface of the first adhesive member 41 is bonded to the first end 431 of the flexible connection structure 43, the third adhesive surface of the second adhesive member 42 is bonded to the flexible screen assembly 30, and the fourth adhesive surface of the second adhesive member 42 is bonded to the second end 432 of the flexible connection structure 43.

[0031] The first end 431 can be understood as a transition layer structure and is located between the first adhesive 41 and the flexible screen assembly 30 to separate the first adhesive 41 and the flexible screen assembly 30; correspondingly, the second end 432 can also be understood as a transition layer structure and is located between the second adhesive 42 and the frame assembly 10 to separate the second adhesive 42 and the frame assembly 10.

[0032] In some embodiments, the first adhesive member 41 and the second adhesive member 42 may be adhesive structures with a certain sliding deformation capability, such as foam adhesive or 3M-FO110 adhesive with a certain sliding capability.

[0033] In this embodiment, the first adhesive member 41 is used to bond to the frame assembly 10, and the second adhesive member 42 is used to bond to the flexible screen assembly 30. A flexible connecting structure 43 connects the first adhesive member 41 and the second adhesive member 42, thereby achieving bonding between the frame assembly 10 and the flexible screen assembly 30. Compared to directly bonding the frame assembly 10 and the flexible screen assembly 30 through an adhesive structure, the adhesive member 40 can provide a greater amount of sliding. Thus, when the electronic device is dropped in its unfolded state, the sliding amount provided by the adhesive member 40 can effectively counteract the relative displacement of the first frame 11 and the second frame 12, improving the tensile deformation of the flexible screen assembly 30 and enhancing its reliability.

[0034] Furthermore, when an electronic device falls while in its unfolded state, the tensile force on the side of the support area of ​​the flexible screen assembly 30 closer to its bending area is greater than the tensile force on the side of the support area of ​​the flexible screen assembly 30 farther from its bending area. Therefore, by placing the adhesive component 40 on the side of the support area of ​​the flexible screen assembly 30 closer to its bending area, the sliding amount provided by the adhesive component 40 can maximize the offsetting of the relative displacement between the first frame 11 and the second frame 12, thereby improving the tensile deformation of the flexible screen assembly 30 and enhancing its reliability.

[0035] In some embodiments, the flexible connection structure 43 further includes a flexible connection segment 433 connecting the first end 431 and the second end 432, and the flexible connection segment 433 also has a certain amount of deformation, which further increases the amount of sliding that the adhesive component 40 can generate, and improves the effect of the adhesive component 40 on offsetting the relative displacement of the first frame 11 and the second frame 12.

[0036] In some embodiments, if the displacement of the frame assembly 10 is x1, the sliding amount of the first adhesive member 41 bonded to the frame assembly 10 is x. adh1 The deformation of the flexible connection structure 43 is x. pet The sliding amount of the second adhesive member 42, which is bonded to the flexible screen assembly 30, is x. adh2 Then the displacement of the flexible screen component 30 is x2 = x1 - x adh1 -x pet -x adh2 Compared to conventional sliding adhesive solutions, if the displacement of the frame assembly 10 is x1, the sliding amount of the sliding adhesive is x. adh Then the displacement of the flexible screen component 30 is x2 = x1 - x adh This increases the amount of slippage that the adhesive component 40 can generate, and improves the displacement and pulling phenomenon of the frame component 10 and the flexible screen component 30.

[0037] The aforementioned electronic devices can be understood as terminal devices with folding capabilities, such as foldable phones.

[0038] In some embodiments, the support area includes a first adhesive area and a second adhesive area distributed sequentially, wherein the first adhesive area is located between the bending area and the second adhesive area;

[0039] The electronic device also includes a third adhesive 50. In the first adhesive area, i.e., the adhesive area on the side of the support area near the bending area, the flexible screen assembly 30 is bonded to the frame assembly 10 by the adhesive 40; in the second adhesive area, i.e., the adhesive area on the side of the support area away from the bending area, the flexible screen assembly 30 is bonded to the frame assembly 10 by the third adhesive 50.

[0040] In this embodiment, since the tensile force on the side of the support area of ​​the flexible screen assembly 30 near its bending area is greater than the tensile force on the side of the support area of ​​the flexible screen assembly 30 away from its bending area, the flexible screen assembly 30 and the frame assembly 10 can be bonded in the first bonding area by the bonding component 40, and the flexible screen assembly 30 and the frame assembly 10 can be bonded in the second bonding area by the third bonding component 50. This reduces the cost of the bonding structure used to bond and fix the flexible screen assembly 30 and the frame assembly 10 while ensuring the reliability of the flexible screen assembly 30.

[0041] Among them, the first adhesive component 41, the second adhesive component 42 and the third adhesive component 50 can all be sliding adhesive connection structures, that is, the first adhesive component 41, the second adhesive component 42 and the third adhesive component 50 can all be adhesive structures with a certain sliding deformation capability, such as foam adhesive or 3M-FO110 adhesive with a certain sliding capability.

[0042] In some embodiments, the third adhesive 50 may be a conventional sliding adhesive structure, and its sliding amount is less than that of the adhesive component 40, so as to reduce the cost of the adhesive structure used to achieve the bonding and fixing of the flexible screen component 30 and the frame component 10.

[0043] In some embodiments, the first bonding area includes a first sub-bonding area, a transition area, and a second sub-bonding area distributed sequentially, wherein the first sub-bonding area is close to the second bonding area and the second sub-bonding area is close to the bending area.

[0044] Corresponding to the first sub-adhesion area, the first adhesive component 41 is bonded to the frame assembly 10;

[0045] Corresponding to the second sub-adhesion area, the second adhesive component 42 is bonded to the flexible screen assembly 30;

[0046] Among them, the projection of the flexible connection structure 43 onto the plane where the first bonding area is located is at least partially located within the transition area.

[0047] The projection of the aforementioned flexible connection structure 43 onto the plane where the first bonding area is located is at least partially located within the transition zone. This can be understood as the projection of the flexible connection segment 433 of the flexible connection structure 43 onto the plane where the first bonding area is located being located within the transition zone.

[0048] It is understood that the projection of the first end 431 of the flexible connection structure 43 onto the plane of the first bonding area is located within the first sub-bonding; the projection of the second end 432 of the flexible connection structure 43 onto the plane of the first bonding area is located within the second sub-bonding.

[0049] In this embodiment, by setting a transition zone, the distribution of the adhesive structure on the frame assembly 10 can be improved, that is, the distribution of the adhesive backing area on the frame assembly 10 can be improved, which is beneficial to the layout of other functional components.

[0050] In practical applications, the sliding amount of the bonding component 40 can be adjusted by changing the dimensions of the first sub-bonding area, the second sub-bonding area, and the transition area. For example, when the impact on the frame component 10 is significant and the unfolding angle of the first frame 11 and the second frame 12 is large, the dimensions of the first and second sub-bonding areas can be reduced, and the dimensions of the transition area can be increased to improve the sliding amount of the bonding component 40 and reduce the impact of the relative position of the first frame 11 and the second frame 12 on the flexible screen component 30, thereby improving the reliability of the flexible screen component 30.

[0051] In some embodiments, such as Figure 8 As shown, the flexible connection structure 43 can be made of heat dissipation material to dissipate heat from some functional components of the electronic device, such as the battery, motherboard and other components mounted on the frame of the electronic device.

[0052] Understandably, a heat dissipation component can also be provided on the non-adhesive-backed area of ​​the frame assembly 10. This heat dissipation component can be thermally connected to the flexible connection structure 43 to further improve the heat dissipation effect on the electronic device.

[0053] In some embodiments, the heat dissipation material may be pyrolytic graphite.

[0054] In some embodiments, the heat dissipation material may also be a ceramic matrix composite material, graphene material, etc.

[0055] In some embodiments, the flexible screen assembly 30 includes a flexible display panel 31 and a support plate 32, with the support plate 32 disposed on the back side of the flexible display panel 31.

[0056] The support plate 32 is provided with the aforementioned first bonding area, the aforementioned second bonding area, and a through-hole area relative to the aforementioned bending area;

[0057] In the first bonding area, the support plate 32 is bonded to the frame assembly 10 via the bonding component 40; in the second bonding area, the support plate 32 is bonded to the frame assembly 10 via the third bonding component 50.

[0058] In this embodiment, by setting the support plate 32, the structural strength of the flexible display panel 31 can be effectively improved, thereby reducing the structural weight of the flexible screen assembly 30 and improving the reliability of the flexible screen assembly 30.

[0059] In some embodiments, the support plate 32 can be a support structure with high hardness, such as steel sheet.

[0060] In some embodiments, the portion of the relatively bent area of ​​the support plate 32 is a through-hole area, and the area where the flexible screen assembly 30 is pulled when it is dropped and deformed in the unfolded state is mainly concentrated in the through-hole area. That is, the flexible screen assembly 30 experiences greater tensile deformation in the first bonding area and less tensile deformation in the second bonding area. Therefore, in the first bonding area, the flexible screen assembly 30 and the frame assembly 10 can be bonded by an adhesive component 40 with a larger sliding amount. In the second bonding area, the flexible screen assembly 30 and the frame assembly 10 can be bonded by a third adhesive component 50 with a relatively smaller sliding amount. This reduces the cost of the adhesive structure used to bond and fix the flexible screen assembly 30 and the frame assembly 10 while ensuring the reliability of the flexible screen assembly 30.

[0061] In some embodiments, the first adhesive member 41 includes a first adhesive layer 411 and a first substrate 412 bonded together, and the adhesive surface of the first adhesive layer 411 facing away from the first substrate 412 is bonded to the first end 431 of the flexible connection structure 43, and the side of the first substrate 412 facing away from the first adhesive layer 411 is the adhesive surface and is bonded to the frame assembly 10.

[0062] The first adhesive layer 411 can be a foam adhesive layer or a 3M-FO110 adhesive layer, and the first substrate 412 can be a PET substrate with adhesive properties.

[0063] In some embodiments, the second adhesive member 42 includes a second adhesive layer 421 and a second substrate 422 bonded together, wherein the adhesive surface of the second adhesive layer 421 opposite to the second substrate 422 is bonded to the flexible screen assembly 30, and the side of the second substrate 422 opposite to the second adhesive layer 421 is the adhesive surface and is bonded to the second end 432 of the flexible connection structure 43.

[0064] The second adhesive layer 421 can be a foam adhesive layer or a 3M-FO110 adhesive layer, and the second substrate 422 can be a PET substrate with adhesive properties.

[0065] In some embodiments, the third adhesive 50 includes a third adhesive layer 51 and a third substrate 52 bonded together, wherein the adhesive surface of the third adhesive layer 51 facing away from the third substrate 52 is bonded to the flexible screen assembly 30, and the side of the third substrate 52 facing away from the third adhesive layer 51 is the adhesive surface and is bonded to the frame assembly 10.

[0066] The third adhesive layer 51 can be a foam adhesive layer or a 3M-FO110 adhesive layer, and the third substrate 52 can be a PET substrate with adhesive properties.

[0067] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0068] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. An electronic device, characterized in that, include: The frame assembly includes a first frame and a second frame, which are rotatably connected by the hinge assembly to allow the electronic device to switch between an unfolded state and a folded state. A flexible screen assembly is disposed on one side surface of the first frame and the second frame, and can be bent as the first frame and the second frame rotate. The flexible screen assembly includes a bending area and a support area. The bending area is opposite to the hinge assembly, and the support area is opposite to the first frame or the second frame. An adhesive assembly is located between the flexible screen assembly and the frame assembly, and on the side of the support area near the bending area. The adhesive assembly includes a first adhesive member, a second adhesive member, and a flexible connecting structure. The first adhesive surface of the first adhesive member is bonded to the frame assembly, the second adhesive surface of the first adhesive member is bonded to the first end of the flexible connecting structure, the third adhesive surface of the second adhesive member is bonded to the flexible screen assembly, and the fourth adhesive surface of the second adhesive member is bonded to the second end of the flexible connecting structure. The first adhesive surface and the second adhesive surface are arranged opposite to each other, and the third adhesive surface and the fourth adhesive surface are arranged opposite to each other; both the first adhesive component and the second adhesive component are sliding adhesive connection structures.

2. The electronic device according to claim 1, characterized in that, The support area includes a first bonding area and a second bonding area distributed sequentially, wherein the first bonding area is located between the bending area and the second bonding area; The electronic device further includes a third adhesive component, in which the flexible screen assembly is bonded to the frame assembly via the adhesive component in the first adhesive area; In the second bonding area, the flexible screen assembly is bonded to the frame assembly by the third adhesive; The third adhesive component is a sliding adhesive connection structure.

3. The electronic device according to claim 2, characterized in that, The slippage of the adhesive component is greater than the slippage of the third adhesive component.

4. The electronic device according to claim 2, characterized in that, The first bonding area includes a first sub-bonding area, a transition area, and a second sub-bonding area distributed sequentially. The first sub-bonding area is close to the second bonding area, and the second sub-bonding area is close to the bending area. Corresponding to the first sub-adhesive area, the first adhesive component is bonded to the frame assembly; Corresponding to the second sub-adhesion area, the second adhesive member is bonded to the flexible screen assembly; wherein, the projection of the flexible connection structure onto the plane where the first adhesive area is located is at least partially located within the transition area.

5. The electronic device according to claim 4, characterized in that, The flexible connection structure is made of heat dissipation material and is used to dissipate heat from some of the functional components of the electronic device.

6. The electronic device according to claim 5, characterized in that, The heat dissipation material is pyrolytic graphite.

7. The electronic device according to claim 2, characterized in that, The flexible screen assembly includes a flexible display panel and a support plate, and the support plate is disposed on the back of the flexible display panel; The support plate is provided with a first bonding area, a second bonding area, and a through-hole area relative to the bending area; In the first bonding area, the support plate is bonded to the frame assembly via the bonding component; In the second bonding area, the support plate is bonded to the frame assembly via the third adhesive.

8. The electronic device according to any one of claims 2 to 7, characterized in that, The first adhesive component includes a first adhesive layer and a first substrate bonded together, wherein the adhesive surface of the first adhesive layer opposite to the first substrate is bonded to the first end of the flexible connection structure, and the adhesive surface of the first substrate opposite to the first adhesive layer is the adhesive surface and is bonded to the frame assembly.

9. The electronic device according to any one of claims 2 to 7, characterized in that, The second adhesive component includes a second adhesive layer and a second substrate bonded together, wherein the adhesive surface of the second adhesive layer opposite to the second substrate is bonded to the flexible screen assembly, and the adhesive surface of the second substrate opposite to the second adhesive layer is the adhesive surface and is bonded to the second end of the flexible connection structure.

10. The electronic device according to claim 2, characterized in that, The third adhesive component includes a third adhesive layer and a third substrate bonded together, wherein the adhesive surface of the third adhesive layer opposite to the third substrate is bonded to the flexible screen assembly, and the adhesive surface of the third substrate opposite to the third adhesive layer is the adhesive surface and is bonded to the frame assembly.

Images