Bending test structure and test method

Abstract

The application provides a folding test structure and a test method. The folding test structure comprises: a folding jig for carrying a folding screen and bending the folding screen to perform a folding test; and a protection device connected with the folding jig and used for covering the folding screen in a folded state to protect the folding screen. A folding test method uses the folding test structure to perform a folding test on the folding screen, and comprises the following steps: carrying the folding screen on the folding jig; bending the folding screen through the folding jig; and protecting the folding screen in the folded state through the protection device. The folding screen in the folded state can be protected through the protection device, so that the folding screen is prevented from being damaged during the folding test.

Description

Technical Field

[0001] This application belongs to the field of foldable screen testing technology, and more specifically, relates to a bending test structure and test method. Background Technology

[0002] Currently, foldable screens are gradually becoming mainstream products in the mobile phone market, with various foldable products emerging one after another. Foldable screen bending tests are mainly used to evaluate the durability and performance of foldable screen phones during long-term use.

[0003] However, current bending test structures are prone to damaging foldable screens when bending them. Summary of the Invention

[0004] The purpose of this application is to provide a bending test structure and test method to solve the technical problem in the prior art that the folding screen is easily damaged during bending tests.

[0005] To achieve the above objectives, the technical solution adopted in this application is: to provide a bending test structure, comprising:

[0006] A bending fixture for supporting a folding screen and bending the folding screen for a bending test;

[0007] A protective device is connected to the bending fixture and is used to cover the folded screen in the folded state to protect the folded screen.

[0008] In some embodiments, the bending fixture includes two support portions for supporting the folding screen and a bending portion connected between the two support portions for realizing the mutual folding of the two support portions;

[0009] The protective device includes two first protective parts, which are respectively disposed on the two support parts and respectively protect the folding screen.

[0010] In some embodiments, the first protective part includes a plurality of first protective blocks, and each of the first protective blocks of the two first protective parts is used to limit the respective sides of the folding screen.

[0011] In some embodiments, the protective device further includes a second protective part, which is connected to two of the first protective parts respectively. The second protective part is used to cover the outside of the bending part when the bending fixture is in a folded state, so as to protect the part of the folded screen that is attached to the bending part.

[0012] In some embodiments, the second protective part is connected to the first protective part and can be detached when the bending fixture is in a folded state;

[0013] Alternatively, the first protective part and the second protective part are connected to the bending fixture and can be detached when the bending fixture is in a folded state.

[0014] In some embodiments, the first protective part and the second protective part are inserted into each other; one of the first protective part and the second protective part has a limiting hole, and the other of the first protective part and the second protective part has an elastic protrusion, the elastic protrusion being limited to the limiting hole.

[0015] In some embodiments, the second protective part includes two spaced-apart second protective members and a connector connecting the two second protective members, wherein the two second protective members are respectively connected to the two first protective parts.

[0016] In some embodiments, the protective device further includes a first transparent plate and a second transparent plate; the second protective member and the corresponding first protective part enclose to form a first frame for mounting the first transparent plate, and the two second protective members and the connector enclose to form a second frame for mounting the second transparent plate.

[0017] In some embodiments, the first transparent plate is bonded to the first protective part and the second protective member; or, the first protective part and the second protective member are both formed with a first limiting groove, and the periphery of the first transparent plate is respectively limited to each of the first limiting grooves.

[0018] The second transparent plate is bonded to the second protective member and the connecting member; or, the second protective member and the connecting member are both formed with second limiting grooves, and the periphery of the second transparent plate is respectively limited to each of the second limiting grooves.

[0019] On the other hand, this application also provides a bending test method, which uses the above-mentioned bending test structure to perform a bending test on a foldable screen, including the following steps:

[0020] The folding screen is supported by a bending fixture;

[0021] The folding screen is bent using a bending fixture;

[0022] The protective device protects the foldable screen when it is folded.

[0023] In some embodiments, the bending fixture includes two support portions for supporting the folding screen and a bending portion connected between the two support portions for realizing the mutual folding of the two support portions;

[0024] When the folding screen is supported on the bending fixture, the folding screen is guided by the two first protective parts installed on the two support parts respectively;

[0025] When the foldable screen is in the folded state, the second protective part is connected to the first protective part. The first protective part protects the screen body supported by the two support parts, and the second protective part protects the bent part of the foldable screen that is attached to the bending part.

[0026] The beneficial effects of the bending test structure and test method provided in this application are as follows: by setting a protective device connected to the bending fixture, and the protective device being able to cover the outside of the folded screen in the folded state, the folded screen in the folded state can be protected by the protective device, so as to avoid damage to the folded screen during the bending test. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 A schematic diagram of the folding screen and bending fixture in the unfolded state;

[0029] Figure 2 A schematic diagram of a folding screen and bending fixture in a folded state;

[0030] Figure 3 A schematic diagram of the bending test structure provided in the embodiment of this application in a folded state;

[0031] Figure 4 A schematic diagram of the bending fixture and the first protective part in the bending test structure provided in the embodiment of this application;

[0032] Figure 5 This is a schematic diagram of the bending fixture, the first protective part, and the folding screen in the bending test structure provided in the embodiments of this application.

[0033] Figure 6 This is an exploded structural diagram of the bending test structure provided in the embodiments of this application;

[0034] Figure 7 This is a three-dimensional structural diagram of the bending test structure provided in the embodiments of this application;

[0035] Figure 8 for Figure 6Assembly diagram of the first and second protective sections;

[0036] Figure 9 This is a schematic diagram of the assembly of the first transparent panel.

[0037] The following are the labeling elements in the figure:

[0038] 100. Bending fixture; 110. Support part; 111. Support surface; 120. Bending part; 200. Protective device; 210. First protective part; 211. First protective component; 2111. First protective block; 212. Limiting hole; 213. First limiting groove; 220. Second protective part; 221. Second protective component; 2211. Second protective block; 222. Connector; 2221. Third protective block; 223. Elastic protrusion; 300. First transparent plate; 1000. Folding screen; 1100. Screen body; 1200. Bending part; X, First direction; Y, Second direction. Detailed Implementation

[0039] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0040] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0041] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They 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. Therefore, they should not be construed as limitations on this application.

[0042] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0043] With the development of science and technology, foldable screens have gradually become the mainstream product in the mobile phone market, and all kinds of foldable products have emerged, including outward folding mobile phones such as the Huawei Mate Xs series and Honor Magic V Purse.

[0044] Foldable screen bending tests are primarily used to evaluate the durability and performance of foldable phones during prolonged use. The bending test involves using a folding fixture to bend the screen. For outward-folding screens, the screen is exposed during static bending tests, making it highly susceptible to external damage.

[0045] Based on this, the present application provides a bending test structure and test method, which protects the folded screen in the folded state through a protective device, thereby reducing the possibility of external force damage to the folded screen during bending tests.

[0046] Please see Figures 1 to 3 The bending test structure provided in the embodiments of this application will now be described.

[0047] The bending test structure includes a bending fixture 100 and a protective device 200; the bending fixture 100 is used to support the folding screen 1000 and bend the folding screen 1000 for bending test; the protective device 200 is connected to the bending fixture 100 and is used to cover the folding screen 1000 in the folded state to protect the folding screen 1000.

[0048] The bending fixture 100 is the main part used for bending tests on the foldable screen 1000. Before the test, as... Figure 1 As shown, the foldable screen 1000 is supported on the bending fixture 100 in its unfolded state; during testing, as... Figure 2 As shown, the folding screen 1000 is bent using the bending fixture 100, thereby achieving the bending test of the folding screen 1000.

[0049] The protective device 200 can be fixedly connected to the bending fixture 100, and the protective device 200 is installed on the bending fixture 100 before the folding screen 1000 is bent. Alternatively, the protective device 200 can be detachably connected to the bending fixture 100, and the protective device 200 is installed on the bending fixture 100 after the folding screen 1000 is bent. The protective device 200 provides protection to the folding screen 1000 while it is in the folded state, specifically by covering the folding screen 1000 with the protective device 200, thereby preventing foreign objects from damaging the folding screen 1000.

[0050] The bending test structure in this embodiment of the application provides a protective device 200 connected to the bending fixture 100. The protective device 200 can cover the outside of the folded screen 1000 in the folded state, thereby protecting the folded screen 1000 in the folded state and preventing the folded screen 1000 from being damaged during the bending test.

[0051] In some embodiments, please refer to the following: Figures 1 to 5 The bending fixture 100 includes two support parts 110 and a bending part 120 connected between the two support parts 110 and used to realize the folding of the two support parts 110 to each other; the protective device 200 includes two first protective parts 210, which are respectively disposed on the two support parts 110, and the two first protective parts 210 respectively protect the folding screen 1000 located on the two support parts 110.

[0052] Specifically, the surface of the support portion 110 used to support the folding screen 1000 is designated as the support surface 111. Before folding, the two support portions 110 are unfolded, and the bending portion 120 connects between the two support portions 110. The support surfaces 111 of the two support portions 110 face upwards and are coplanar. The folding screen 1000 includes two screen bodies 1100 and a bending portion 1200 connecting the two screen bodies 1100. The two screen bodies 1100 of the folding screen 1000 are respectively supported on the support surfaces 111 of the two support portions 110. The bending portion 120 causes one of the support portions 110 to rotate and fold relative to the other support portion 110, so that the support surfaces 111 of the two support portions 110 are arranged back to back, and the two screen bodies 1100 of the folding screen 1000 are arranged back to back. At this time, when the folding screen 1000 is an outward-folding folding screen 1000, the screen of the folding screen 1000 faces outwards and is easily damaged by external objects.

[0053] Two first protective parts 210 are respectively provided on the two support parts 110. Before folding, the two first protective parts 210 surround the two screens 1100 to protect the two screens 1100. When the two support parts 110 are folded together, the two first protective parts 210 fold along with the two support parts 110, so that the two first protective parts 210 can protect the two screens 1100 after folding.

[0054] In some embodiments, please refer to Figure 4 and Figure 5The first protective part 210 includes a plurality of first protective blocks 2111. Each of the first protective blocks 2111 of the two first protective parts 210 is used to limit the sides of the folding screen 1000 respectively. By limiting the sides of the folding screen 1000 with each of the first protective blocks 2111, the folding screen 1000 can be guided during assembly, facilitating quick positioning and adhesion of the folding screen 1000 into the bending fixture 100. It is understood that in other embodiments of this application, a dedicated positioning structure for the folding screen 1000 can also be provided in the bending fixture 100, while the first protective part 210 is mainly used for protecting the folding screen 1000; this is not the only possible solution.

[0055] In some embodiments, please refer to Figure 4 and Figure 5 The first protective part 210 includes two first protective members 211, each of which includes two first protective blocks 2111 forming an L-shape. Specifically, four first protective members 211 are provided corresponding to the four corners of the folding screen 1000. When assembling the folding screen 1000, the four first protective members 211 limit the four corners of the folding screen 1000, and each first protective member 211 can also limit and protect the four sides of the folding screen 1000. In this embodiment, by combining every two first protective blocks 2111 to form an L-shaped first protective member 211, it is convenient to limit the corners of the folding screen 1000, which facilitates the installation of the folding screen 1000, and also makes the first protective members 211 identical in structural dimensions and uniformly manufactured. It can be understood that in other embodiments of this application, three first protective blocks 2111 can also be provided corresponding to each support part 110, and the three first protective blocks 2111 respectively limit the three sequentially adjacent sides of the folding screen 1000.

[0056] In some embodiments, please refer to Figures 3 to 5 The protective device 200 also includes a second protective part 220, which is connected to two first protective parts 210 respectively. The second protective part 220 is used to cover the outside of the bending part 120 when the bending fixture 100 is in a folded state, so as to protect the part of the folding screen 1000 that is attached to the bending part 120.

[0057] It should be noted that when the bending fixture 100 is folded, the bending portion 120 is located on the same side of the two support portions 110. The two screens 1100 of the folding screen 1000 are respectively attached to the two support portions 110, and the bending portion 1200 between the two screens 1100 is attached to the outside of the bending portion 120. The two first protective portions 210 are used to protect the two screens 1100, and the second protective portion 220 is used to protect the bending portion 1200 connecting the two screens 1100, thereby achieving comprehensive protection for the folding screen 1000.

[0058] In some embodiments, please refer to Figure 6 and Figure 7 The second protective part 220 is connected to the first protective part 210 and can be detached when the bending fixture 100 is in a folded state.

[0059] In practical applications, the second protective part 220 is used to cover the outside of the bent part 1200 to protect it. The bent part 1200 has a small dimension along the first direction X, therefore the dimension of the second protective part 220 along the first direction X only needs to be designed to surround the bent part 1200 along the first direction X, without needing to be larger. Here, the first direction X is the distribution direction of the two screens 1100 when unfolded. Furthermore, from... Figure 1 and Figure 3 As can be seen, before the bending fixture 100 is folded, the dimension of the bending fixture 100 along the first direction X is much larger than the sum of the dimensions of the bending fixture 100 after bending and the second protective part 220 along the first direction X. In summary, to prevent the second protective part 220 from obstructing the folding action of the bending fixture 100, in this embodiment, the second protective part 220 is designed to be detachably connected to the first protective part 210. Specifically, before bending, the second protective part 220 is not connected to the first protective part 210, and after bending, the first protective part 210 and the second protective part 220 are connected to each other, so as to protect the bent portion 1200 through the second protective part 220. Understandably, in other embodiments of this application, the design can also be as follows: the first protective part 210 and the second protective part 220 are connected to and detachable from the bending fixture 100 when the bending fixture 100 is in a folded state. That is, before the bending fixture 100 is bent, the folded screen 1000 can be positioned by additionally providing other positioning structures in the bending fixture 100. After folding, the protective device 200 is then installed on the bending fixture 100. In addition, the second protective part 220 can be fixedly connected to the first protective part 210, or it can be detachably connected to the first protective part 210.

[0060] In some embodiments, please refer to Figure 8The first protective part 210 and the second protective part 220 are inserted into each other. One of the first protective part 210 and the second protective part 220 has a limiting hole 212, and the other has an elastic protrusion 223, which is limited in the limiting hole 212. During assembly, the elastic protrusion 223 is pressed so that the first protective part 210 and the second protective part 220 can be inserted into each other. When the elastic protrusion 223 moves to the limiting hole 212, the elastic protrusion 223 springs up and is limited in the limiting hole 212, thereby realizing the connection between the first protective part 210 and the second protective part 220.

[0061] For some specific embodiments, please refer to Figure 8 The first protective part 210 has a slot extending along the first direction X and opening towards the second protective part 220. The side wall of the first protective part 210 also has a limiting hole 212 communicating with the slot. An elastic protrusion 223 is provided on the second protective part 220. During assembly, the second protective part 220 is aligned with the first protective part 210 along the first direction X, and the end of the second protective part 220 is inserted into the slot until the elastic protrusion 223 is inserted into the limiting hole 212. During disassembly, simply press the elastic protrusion 223 to disengage it from the limiting hole 212, and then remove the second protective part 220 from the slot of the first protective part 210 along the first direction X.

[0062] Optionally, the elastic protrusion 223 can be a protrusion integrally connected to the second protective part 220, or the elastic protrusion 223 can be a cylinder connected to the second protective part 220 by a spring.

[0063] In some embodiments, please refer to Figure 7 and Figure 8 The second protective portion 220 includes two spaced-apart second protective members 221 and a connector 222 connecting the two second protective members 221. The two second protective members 221 are respectively connected to the two first protective portions 210. Specifically, the bent portion 1200 is located outside the bent portion 120, and the two second protective members 221 and the connector 222 together enclose a protective space for accommodating the bent portion 1200.

[0064] In some embodiments, please refer to Figure 5 , Figure 6 and Figure 9The protective device 200 includes a first transparent plate 300 and a second transparent plate (not shown). Second protective members 221 are respectively enclosed with corresponding first protective parts 210 to form a first frame for mounting the first transparent plate 300. Two second protective members 221 and connecting members 222 enclose a second frame for mounting the second transparent plate. The first and second transparent plates prevent foreign objects from entering the protective cavity formed by the protective device 200 and damaging the folding screen 1000. Simultaneously, since both the first and second transparent plates are transparent, it facilitates observation of the testing status of the folding screen 1000 by personnel.

[0065] For some specific embodiments, please refer to Figure 5 , Figure 6 and Figure 9 The second protective component 221 includes three second protective blocks 2211 connected in sequence. Two of the second protective blocks 2211 are arranged opposite each other along the second direction Y and are inserted into each other in a corresponding manner with two of the first protective blocks 2111 arranged opposite each other along the second direction Y. The four first protective blocks 2111 and the three second protective blocks 2211 together form a rectangular first frame. The sides of the first transparent plate 300 are connected to the first frame.

[0066] In some embodiments, the first transparent plate 300 is bonded to the first protective part 210 and the second protective member 221. Specifically, the periphery of the first transparent plate 300 is bonded to each of the first protective blocks 2111 and the second protective block 2211.

[0067] In other embodiments, please refer to Figure 8 Both the first protective part 210 and the second protective component 221 have first limiting grooves 213, which respectively limit the periphery of the first transparent plate 300 within the respective first limiting grooves 213 to ensure the secure installation of the first transparent plate 300. For details, please refer to... Figure 8 First, the three adjacent sides of one end of the first transparent plate 300 can be inserted into the first limiting grooves 213 of the three second protective blocks 2211. Then, the second protective blocks 2211 and the first protective blocks 2111 can be inserted into each other, so that the three adjacent sides of the other end of the first transparent plate 300 can be inserted into the first limiting grooves 213 of the four first protective blocks 2111 respectively.

[0068] In some embodiments, the second transparent plate is bonded to the second protective member 221 and the connector 222; or, the second protective member 221 and the connector 222 are both formed with second limiting grooves, and the periphery of the second transparent plate is respectively limited in each of the second limiting grooves.

[0069] In some embodiments, please refer to Figure 5 and Figure 6The connector 222 includes two third protective blocks 2221. The third protective blocks 2221 are elongated and extend vertically and are connected to two second protective members 221 respectively. The two third protective blocks 2221 and the two second protective members 221 together form a rectangular second frame.

[0070] On the other hand, this application also provides a bending test method, which uses the above-mentioned bending test structure to perform a bending test on the foldable screen 1000, including the following steps:

[0071] S10: The foldable screen 1000 is supported on the bending fixture 100;

[0072] S20: The folding screen 1000 is bent using the bending fixture 100;

[0073] S30: The folding screen 1000 in the folded state is protected by the protective device 200.

[0074] In some embodiments, please refer to Figures 3 to 5 The bending fixture 100 includes two support portions 110 for supporting the folding screen 1000 and a bending portion 120 connected between the two support portions 110 and used to realize the folding of the two support portions 110 to each other.

[0075] When the folding screen 1000 is supported on the bending fixture 100, the folding screen 1000 is guided by the two first protective parts 210 installed on the two support parts 110 respectively.

[0076] When the folding screen 1000 is in the folded state, the second protective part 220 is connected to the first protective part 210. The first protective part 210 protects the screen body 1100 of the folding screen 1000 which is supported by the two support parts 110, and the second protective part 220 protects the curved part 1200 of the folding screen 1000 which is attached to the bending part 120.

[0077] In this embodiment, by using the first protective part 210 and the second protective part 220 of the protective device 200, the screen body 1100 and the bent part 1200 of the folding screen 1000 are protected by the first protective part 210 and the second protective part 220 respectively, and the second protective part 220 is connected to the first protective part 210 when the folding screen 1000 is in the folded state, thereby avoiding structural interference of the second protective part 220 with the folding action of the folding screen 1000.

[0078] In some embodiments, the folding screen 1000 is an outward-folding folding screen 1000, and when the folding screen 1000 is in a folded state, the screen of the folding screen 1000 faces the first transparent plate 300 and the second transparent plate. It is understood that in other embodiments of this application, this bending test structure can also be applied to an inward-folding folding screen 1000.

[0079] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A bending test structure, characterized in that, include: A bending fixture for supporting a folding screen and bending the folding screen for a bending test; A protective device is connected to the bending fixture and is used to cover the folded screen in the folded state to protect the folded screen.

2. The bending test structure as described in claim 1, characterized in that, The bending fixture includes two support parts for supporting the folding screen and a bending part connected between the two support parts for realizing the mutual folding of the two support parts. The protective device includes two first protective parts, which are respectively disposed on the two support parts and respectively protect the folding screen.

3. The bending test structure as described in claim 2, characterized in that, The first protective part includes a plurality of first protective blocks, and each of the first protective blocks of the two first protective parts is used to limit the respective sides of the folding screen; Preferably, the first protective part includes two first protective components, and each first protective component includes two first protective blocks that are L-shaped to each other.

4. The bending test structure as described in claim 2 or 3, characterized in that, The protective device further includes a second protective part, which is connected to two of the first protective parts respectively. The second protective part is used to cover the outside of the bending part when the bending fixture is in a folded state, so as to protect the part of the folded screen that is attached to the bending part.

5. The bending test structure as described in claim 4, characterized in that, The second protective part is connected to the first protective part when the bending fixture is in a folded state and can be detached; Alternatively, the first protective part and the second protective part are connected to the bending fixture and can be detached when the bending fixture is in a folded state.

6. The bending test structure as described in claim 4, characterized in that, The first protective part and the second protective part are inserted into each other; one of the first protective part and the second protective part has a limiting hole, and the other of the first protective part and the second protective part has an elastic protrusion, which is limited to the limiting hole.

7. The bending test structure as described in claim 4, characterized in that, The second protective part includes two second protective members spaced apart and a connecting member connecting the two second protective members, with the two second protective members respectively connected to the two first protective parts.

8. The bending test structure as described in claim 6, characterized in that, The protective device further includes a first transparent plate and a second transparent plate; the second protective member and the corresponding first protective part enclose each other to form a first frame for installing the first transparent plate, and the two second protective members and the connecting member enclose each other to form a second frame for installing the second transparent plate; Preferably, the first transparent plate is bonded to the first protective part and the second protective member; or, both the first protective part and the second protective member are formed with a first limiting groove, and the periphery of the first transparent plate is respectively limited to each of the first limiting grooves. The second transparent plate is bonded to the second protective member and the connecting member; or, the second protective member and the connecting member are both formed with second limiting grooves, and the periphery of the second transparent plate is respectively limited to each of the second limiting grooves.

9. A bending test method, characterized in that, The bending test of the foldable screen using the bending test structure as described in any one of claims 1 to 8 includes the following steps: The folding screen is supported by a bending fixture; The folding screen is bent using a bending fixture; The protective device protects the foldable screen when it is folded.

10. The bending test method as described in claim 9, characterized in that, The bending fixture includes two support parts for supporting the folding screen and a bending part connected between the two support parts for realizing the mutual folding of the two support parts. When the folding screen is supported on the bending fixture, the folding screen is guided by the two first protective parts installed on the two support parts respectively; When the foldable screen is in the folded state, the second protective part is connected to the first protective part. The first protective part protects the screen body supported by the two support parts, and the second protective part protects the bent part of the foldable screen that is attached to the bending part.

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