CN112638576A

CN112638576A - Fixing method of metal sheet and flexible display device

Info

Publication number: CN112638576A
Application number: CN201880095901.XA
Authority: CN
Inventors: 丁有翔
Original assignee: Shenzhen Royole Technologies Co Ltd
Current assignee: Shenzhen Royole Technologies Co Ltd
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2021-04-09
Also published as: WO2020124580A1

Abstract

A method of fixing a metal sheet (10) comprising providing the metal sheet with a slot (30) in the vicinity of a position to be welded to an article, welding the metal sheet at the position to be welded, and welding the metal sheet to the article. And a flexible display device (700). The grooving releases the deformation of the metal sheet caused by heating, avoids the metal sheet from being greatly deformed due to local heating, and improves the welding effect.

Description

Fixing method of metal sheet and flexible display device

Technical Field

The application relates to the technical field of manufacturing processes, in particular to a fixing method of a metal sheet and flexible display equipment.

Background

Metal sheets such as steel sheets, iron sheets, and aluminum sheets are generally used as support sheets to support various objects. With the progress of the process and the technology, the thickness of the metal sheet can be in a micron level at present. However, the fixed welding of the metal sheets also poses a challenge, and the existing welding mode easily causes the phenomenon of local deformation of the ultrathin metal sheets, so that the welding effect is influenced.

Disclosure of Invention

The technical problem to be solved by the application is to provide a fixing method of a metal sheet and a flexible display device, so as to solve the problem that the phenomenon that an ultrathin metal sheet is locally deformed easily in the prior art.

In order to solve the above technical problem, in one aspect, a method for fixing a metal sheet is provided, including:

arranging a metal sheet on an object, wherein the metal sheet is provided with a groove near a position to be welded;

and welding the metal sheet at the position to be welded, and welding the metal sheet on the object.

On the other hand, the flexible display equipment comprises a flexible display screen, a supporting body and a metal sheet, wherein one side of the metal sheet is connected with the flexible display screen, the other side of the metal sheet is welded and fixed on the supporting body, a groove is formed in the metal sheet, and the groove is used for releasing deformation of the metal sheet caused by heating at a welding position.

The beneficial effects of the above technical scheme are as follows: the grooving releases the deformation of the metal sheet caused by heating, avoids the metal sheet from being greatly deformed due to local heating, and improves the welding effect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a flowchart of a fixing method of a metal sheet according to an embodiment of the present invention.

Fig. 2 is a schematic view of the sheet metal fixation.

Fig. 3 is a schematic structural view of a metal sheet.

Fig. 4 is a schematic view of a welding manner.

FIG. 5 is a schematic structural view of one embodiment of a metal sheet.

Fig. 6 is a schematic structural view of another embodiment of a metal sheet.

Fig. 7 is a schematic view of the direction a of fig. 3.

Fig. 8 is a schematic view of the direction B in fig. 3.

Fig. 9 is a side view of the flexible display device in an unfolded state.

Fig. 10 is a side view of the flexible display device in a folded state.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 and fig. 2, fig. 1 is a flowchart illustrating a method for fixing a metal sheet 10 according to an embodiment of the present invention, and fig. 2 is a schematic diagram illustrating the fixing of the metal sheet 10. In this embodiment, the fixing method of the metal sheet 10 is used to weld the metal sheet 10 to the object 20. Specifically, the metal sheet 10 is an iron sheet, an aluminum sheet, a steel sheet, or the like, and the thickness of the metal sheet 10 may be in the order of micrometers. In one embodiment, the metal sheet 10 has good toughness, the metal sheet 10 can be bent, the metal sheet 10 can have a smaller bending radius due to the smaller thickness dimension of the metal sheet 10, and further, the metal sheet 10 can be wound. In the embodiment, the object 20 is welded to the metal sheet 10, and the embodiment of the invention does not limit the specific structure of the object 20.

In this embodiment, the method for fixing the metal sheet 10 includes the following steps:

s101, arranging a metal sheet 10 on an object 20, wherein the metal sheet 10 is provided with a groove 30 near a position 100 to be welded.

In this embodiment, the metal sheet 10 is disposed on the object 20, including but not limited to, placing the metal sheet 10 on the object 20, adhering the metal sheet 10 on the object 20, magnetically attracting the metal sheet 10 on the object 20 with magnetic members, or fixing the metal sheet 10 on the object 20 by a mechanical structure such as a buckle. Specifically, the metal sheet 10 is adhered to the object 20, the metal sheet 10 is magnetically attracted to the object 20 having a magnetic member, and the metal sheet 10 is fixed to the object 20 through a mechanical structure such as a buckle, so that the metal sheet 10 and the object 20 are pre-fixed, in other words, before welding, the metal sheet 10 and the object 20 are pre-fixed, so that the relative position of the metal sheet 10 and the object 20 is determined, and it is ensured that the relative position of the metal sheet 10 and the object 20 is not changed in the subsequent welding process, thereby avoiding inaccurate welding position and poor welding effect.

Referring to fig. 3, fig. 3 is a schematic structural diagram of the metal sheet 10. The metal sheet 10 includes a position 100 to be welded, and the position 100 to be welded is a region of the surface of the metal sheet 10 for contacting and welding the object 20, in other words, the welding point 40 is located in the position 100 to be welded, and the object 20 is fixed at the position 100 to be welded after welding. In fact, after the subsequent welding operation is completed, the welding spot 40 is formed on the position to be welded 100, and the position to be welded 100 forms the welding position. In one embodiment, the positions to be welded 100 are located at the edge of the surface of the metal sheet 10 so that other positions of the surface of the metal sheet 10 can be used to set or connect other structures, and in other embodiments, the positions to be welded 100 are located at the middle of the surface of the metal sheet 10 so that the surface of the metal sheet 10 has a larger contact area with the object 20, that is, the positions to be welded 100 with a larger area are provided.

In the present embodiment, the slot 30 is elongated, but in other embodiments, the slot 30 may have other shapes.

And S102, welding the metal sheet 10 at the position 100 to be welded, and welding the metal sheet 10 on the object 20.

In this embodiment, the position 100 to be welded of the metal sheet 10 is heated to partially melt the metal sheet 10 or the object 20, thereby fixing the metal sheet 10 and the object 20 together.

Referring to fig. 4, in one embodiment, the metal sheets 10 are welded by laser welding. Specifically, the laser is used to irradiate the position 100 to be welded of the metal sheet 10, the energy of the laser is concentrated, the heating power is high, the operation is easy, the metal sheet 10 or the object 20 can be accurately heated, and the metal sheet 10 or the object 20 is rapidly heated and partially melted, so that the metal sheet 10 and the object 20 are welded. In this embodiment, a gas laser, a solid laser, or a semiconductor laser may be used to supply laser light.

In this embodiment, the slot 30 is used to release the deformation of the metal sheet 10 caused by heat at the position 100 to be welded. Specifically, the metal sheet 10 will expand and deform after being heated at the position 100 to be welded, and since the deformation amount caused by expansion is transmitted from the position of the welding point 40 to the periphery of the welding point 40, when the deformation is transmitted to the vicinity of the slot 30, the slot 30 provides a certain space to release the deformation, that is, the slot 30 can accommodate the deformation amount, and within a certain deformation threshold range, the deformation will not cross over the slot 30, so that the deformation will not extend continuously.

The slots 30 release the deformation of the metal sheet 10 caused by heating, thereby avoiding the metal sheet 10 from being greatly deformed due to local heating and improving the welding effect.

With continued reference to fig. 3, in the present embodiment, the position to be welded 100 includes a plurality of welding points 40, and the slot 30 is disposed between adjacent welding points 40. In particular, one slot 30 is provided between each two welding points 40, and it is also understood that one welding point 40 is provided between each two slots 30. In one embodiment, the laser light is intermittently applied to the location to be welded 100 and each application is spaced a distance apart to form a plurality of spaced weld spots 40.

During welding of the metal sheet 10 to the object 20, heat generated by welding one of the welding spots 40 is blocked by the slot 30, thereby preventing heat from being conducted to the adjacent welding spot 40 directly through the straight distance between the welding spot 40 and the adjacent welding spot 40.

As shown in fig. 5, taking the first welding point 42 and the second welding point 44 as an example, the slot 30 is provided between the first welding point 42 and the second welding point 44, when the first welding point 42 is welded, a part of heat generated at the position of the first welding point 42 is transferred to the second welding point 44, the slot 30 is located between the first welding point 42 and the second welding point 44, and the metal sheet 10 is cut off between the first welding point 42 and the second welding point 44, that is, the slot 30 cuts off a straight propagation path of the first welding point 42 and the second welding point 44, the heat of the first welding point 42 needs to bypass the slot 30 to be transferred to the second welding point 44, and the bypass of the slot 30 increases the path of heat transfer, the heat is more lost during the propagation process, so that the second welding point 44 receives less heat and the deformation will occur less. Correspondingly, when the second welding spot 44 is welded, a heat generated at the position of the second welding spot 44 is partially transferred to the direction of the first welding spot 42, the slot 30 is located between the first welding spot 42 and the second welding spot 44, and the metal sheet 10 is cut off between the first welding spot 42 and the second welding spot 44, that is, the slot 30 cuts off a straight propagation path between the first welding spot 42 and the second welding spot 44, the heat of the second welding spot 44 needs to bypass the slot 30 to be transferred to the first welding spot 42, and the bypass of the slot 30 increases the path of heat transfer, so that more heat is lost in the process of propagation, and thus the first welding spot 42 receives less heat of the second welding spot 44, and the generated deformation is less.

In one embodiment, the adjacent welding spots 40 are symmetrically distributed on both sides of the slot 30. In other words, the weld 40 on both sides of the slot 30 is the same distance from the slot 30. As shown in fig. 5, the distances from the first welding point 42 and the second welding point 44 to the slot 30 are the same, when the first welding point 42 is welded, the heat quantity transferred from the first welding point 42 to the second welding point 44 is the same as the heat quantity transferred from the second welding point 44 to the first welding point 42, the thermal deformation of the first welding point 42 and the second welding point 44 is the same, and the deformation of the metal sheet 10 is uniform.

Referring to fig. 3, in the present embodiment, the adjacent solder joints 40 have the same pitch. Specifically, each welding spot 40 corresponds to a laser-irradiated area, the moving distance of the laser-irradiated area is the same each time, and the pitches of the correspondingly formed welding spots 40 are the same. The welding spots 40 with the same distance enable the influence between the adjacent welding spots 40 to be the same, the metal sheet 10 is heated uniformly and deformed uniformly, and the condition that the deformation is concentrated due to the concentrated heating can not occur. Further, the size of each welding spot 40 is the same, in other words, the size of the laser action area is the same, the influence between the adjacent welding spots 40 is the same, the metal sheet 10 is uniformly heated and deformed, and the condition that the deformation is concentrated due to the concentrated heating is avoided.

Referring to fig. 3, in the present embodiment, the number of the slots 30 is multiple and all the slots are arranged in parallel. Specifically, there is one slot 30 between every two welding points 40, and the number of slots 30 corresponds to the number of welding points 40. The slots 30 are parallel to each other, the influence of the slots 30 on each welding point 40 is the same, specifically, the shape and the arrangement mode of each slot 30 are the same, the effects of blocking the heat transfer of the welding points 40 and releasing the deformation of the metal sheet 10 by each slot 30 are the same, and the deformation of the positions of the welding points 40 of the metal sheet 10 is uniform.

In one embodiment, adjacent slots 30 are equally spaced. Specifically, the slots 30 with the same distance enable the influence between the adjacent welding points 40 to be the same, the metal sheet 10 is uniformly heated and deformed, and the condition that the deformation is concentrated due to the concentrated heating cannot occur. Further, the size of each slot 30 is the same, in other words, the deformation of each slot 30 which blocks the heat transfer of the welding points 40 and releases the metal sheet 10 is the same, the influence between the adjacent welding points 40 is the same, the metal sheet 10 is uniformly heated and deformed, and the condition that the deformation is concentrated due to the concentration of the heat cannot occur.

Referring to fig. 6, in one embodiment, the length of the slot 30 near the center of the position to be welded 100 is greater than the length of the slot 30 away from the center of the position to be welded 100. Specifically, the closer to the center of the position 100 to be welded, the more easily the deformation of the metal sheet 10 caused by heating is accumulated, and thus the closer to the center of the position 100 to be welded, the more greatly the deformation of the metal sheet 10 caused by heating is. The greater the length of the slot 30, the better the effect of the slot 30 in blocking heat transfer and the better the effect of releasing the deformation. For example, when welding one welding spot 40, the heat generated at the position of the welding spot 40 is partially transferred to the other welding spot 40, the slot 30 is located between the two welding spots 40, and the metal sheet 10 is cut off between the two welding spots 40, that is, the slot 30 cuts off the straight propagation path of the two welding spots 40, the heat of the welding spot 40 needs to bypass the slot 30 to be transferred to the other welding spot 40, and the bypass of the slot 30 increases the path of the heat transfer, the longer the length of the slot 30 is, the longer the path of the heat transfer is, the more the heat is lost in the process of the heat transfer, so that the heat received by the other welding spot 40 is less, and the deformation is less. At the same time, the greater the length of the slot 30 and the greater the size of the slot 30, the more deformation the slot 30 can accommodate, thereby releasing more deformation.

Referring to fig. 7, fig. 7 is a schematic view of a direction a of fig. 3, in one embodiment, the slot 30 penetrates the metal sheet 10 along a thickness direction of the metal sheet 10. Specifically, the metal sheet 10 includes a first surface 10a and a second surface 10b opposite to each other, and the slot 30 penetrates through the first surface 10a and the second surface 10b, that is, the slot 30 penetrates through the metal sheet 10 in a direction perpendicular to the first surface 10a and the second surface 10 b. The slot 30 has a large size, which completely cuts off the portions of the metal sheet 10 on both sides of the slot 30, i.e. completely cuts off the connection path of the welding spots 40 on both sides of the slot 30, so that the slot 30 has better effects of releasing deformation and blocking heat transfer.

Referring to fig. 8, fig. 8 is a schematic view of the direction B of fig. 3, in one embodiment, the slot 30 penetrates through the side surface 10c of the metal sheet 10 along the surface of the metal sheet 10. Specifically, the metal sheet 10 further includes a side surface 10c, the side surface 10c is connected between the first surface 10a and the second surface 10b, and the slot 30 penetrates through the side surface 10c of the metal sheet 10, that is, the slot 30 is located at an edge position of the metal sheet 10. When welding the areas to be welded, the deformation of the metal sheet 10 caused around the weld 40 can be transmitted to the edge of the side of the metal sheet 10 where the side 10c is located, and it is more advantageous for the groove 30 to penetrate the side 10c to release the deformation.

Referring to fig. 4, in the embodiment, in the process of welding the metal sheet 10 at the position 100 to be welded, laser is used to irradiate the metal sheet 10. The power of laser irradiation is easily controlled, and the duration of laser irradiation is easily controlled, so that the amount of heat absorbed by the metal piece 10 during welding is easily controlled.

In this embodiment, the energy per laser irradiation is the same, i.e., the energy absorbed by each welding spot 40 is the same. Specifically, in the process of irradiating the position to be welded 100 with laser light, the power of the laser light output is the same each time. In the process of irradiating the position to be welded 100 with laser light, the time length of each laser output is the same. The energy of the laser irradiation is equal to the product of the power of the laser output and the duration of the output. The control device of the laser controls the laser to output the same power and the same time length at each time, the control mode is simple, the deformation of the welded metal sheet 10 is uniform, and the phenomenon that the deformation is accumulated and a larger deformation amount occurs at a certain position is avoided.

In one embodiment, during the process of applying the metal sheet 10 to the object 20, glue is applied to the object 20 to pre-fix the metal sheet 10 and the object 20. In the process of welding the metal sheet 10, since the metal sheet 10 may be deformed by heat, the metal sheet 10 may be displaced relative to the object 20 when deformed by heat, thereby causing the position of the next laser irradiation to be inaccurate, the position of the welding spot 40 to be inaccurate, and the welding effect to be poor. The glue has certain viscosity, and the glue is used for adhering the metal sheet 10 and the object 20, so that the object 20 and the metal sheet 10 have certain connection strength. In the welding process, the glue fixes the relative position of the metal sheet 10 and the object 20, and even if the metal sheet 10 and the object 20 have a certain trend of relative movement in the welding process, the glue can fix the metal sheet 10 and the object 20, so that the metal sheet 10 and the object 20 do not move relatively in the welding process, the position irradiated by laser at each time is accurate, the position of a welding spot 40 is accurate, and the welding effect is good.

In one embodiment, solder is clamped between the metal sheet 10 and the object 20 before the metal sheet 10 is soldered at the location 100 to be soldered. In this embodiment, the metal sheet 10 and the object 20 are welded by melting the solder, the solder is made of a material that is easily melted and has strong viscosity after being melted, and the solder plays a role in connection, so that the metal sheet 10 and the object 20 are fixedly connected. In other embodiments, the metal sheet 10 and the object 20 may be fixedly connected by melting and solidifying the metal sheet 10 or the object 20 itself without using solder.

In this embodiment, the surface of the metal sheet 10 is roughened before the solder is clamped between the metal sheet 10 and the object 20. The surface of the metal sheet 10 is roughened to enhance the bonding effect of the solder to the metal sheet 10, thereby enhancing the fixing firmness of the object 20 and the metal sheet 10.

Referring to fig. 9 and 10, an embodiment of the present invention further provides a flexible display device 700, where the flexible display device 700 includes a flexible display screen 90, a carrier 80, and a metal sheet 10, one side of the metal sheet 10 is connected to the flexible display screen 90, the other side of the metal sheet is welded and fixed to the carrier 80, a slot 30 is formed in the metal sheet 10, and the slot 30 is used to release deformation of the metal sheet 10 caused by heating at a welding position. In this embodiment, the metal sheet 10 and the carrier 80 are welded and fixed by the fixing method of the metal sheet 10 provided in the embodiment of the present invention. Further, the thickness of sheetmetal 10 is thinner, for example 0.07mm, and welded sheetmetal 10 deformation is less, and deformation is even, and sheetmetal 10 levels, and smooth sheetmetal 10 is laminated with flexible display screen 700 after, flexible display screen 90's surfacing, and flexible display screen 90 is good with sheetmetal 10's laminating effect, and flexible display screen 90 can provide better display effect.

Carrier 80 includes a first carrier 82, a second carrier 84, and a flexible connecting member 86 connected between first carrier 82 and second carrier 84, first carrier 82 and second carrier 84 are rotatably connected via flexible connecting member 86, and flexible display 90 includes a first portion 92, a second portion 94 and a flexible portion 96 connected between first portion 92 and second portion 94.

In this embodiment, when the flexible display device 700 is in the folded state, the flexible display screen 90 is located outside the carrier 80. Specifically, when the first supporting member 82 and the second supporting member 84 are folded relative to each other, the first portion 92 is located on a side of the first supporting member 82 facing away from the second supporting member 84, and the second portion 94 is located on a side of the second supporting member 84 facing away from the first supporting member 82, so that a user can observe an image displayed on the flexible display 90 regardless of whether the flexible display device 700 is in a folded state or an unfolded state.

In one embodiment, the first carrier 82 and the second carrier 84 may be housings, the interiors of the housings may be used for disposing electronic devices such as circuit boards and batteries, and the first carrier 82 and the second carrier 84 may also be rigid brackets or the like for supporting the flexible display 90. In this embodiment, the flexible display 90 may be an Organic Light-Emitting Diode (OLED) display. Further, the flexible display screen 90 may be a display screen with only a display function, or may be a display screen integrated with a touch function. In this embodiment, the flexible display 90 is a complete display, and the first portion 92, the second portion 94 and the bendable portion 96 are different portions of the flexible display 90 divided according to positions.

In this embodiment, the first bearing member 82 corresponds to the position of the first portion 92, the second bearing member 84 corresponds to the position of the second portion 94, and the bendable connecting member 86 corresponds to the position of the bendable portion 96. The first supporting member 82 is fixedly connected to the first portion 92, the second supporting member 84 is fixedly connected to the second portion 94, and the foldable connecting member 86 and the foldable portion 96 may or may not be connected. In one embodiment, the size of the first portion 92 is the same as the size of the first carrier 82 in a plane perpendicular to the thickness of the first carrier 82, or the size of the first portion 92 is smaller than the size of the first carrier 82, in other words, the orthographic projection of the first portion 92 on the surface of the first carrier 82 is entirely within the first carrier 82, so that the first carrier 82 can support the first portion 92, unfolding the first portion 92; in a plane perpendicular to the thickness of the second carrier 84, the size of the second portion 94 is the same as the size of the second carrier 84, or the size of the second portion 94 is smaller than the size of the second carrier 84, in other words, an orthographic projection of the second portion 94 on the surface of the second carrier 84 is entirely located within the second carrier 84, so that the second carrier 84 can support the second portion 94, causing the second portion 94 to unfold. In this embodiment, the foldable connector 86 may be a hinge structure, so that the first bearing member 82 can rotate relative to the second bearing member 84 via the foldable connector 86.

In one embodiment, the first and second load bearing members 82 and 84 have the same shape and size, and the first and second load bearing members 82 and 84 are symmetrically connected to both ends of the bendable connecting member 86. Correspondingly, the first portion 92 and the second portion 94 have the same shape and size, and the first portion 92 and the second portion 94 are symmetrically connected to two ends of the bendable portion 96.

It should be understood that in the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

In embodiments of the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The above disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the application. In order to simplify the disclosure of the embodiments of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, embodiments of the present application may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present application provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A method of securing a metal sheet, comprising:

arranging a metal sheet on an object, wherein the metal sheet is provided with a groove near a position to be welded;

and welding the metal sheet at the position to be welded, and welding the metal sheet on the object.
A method for fixing metal sheets according to claim 1, characterized in that said grooving is used to release the deformation of the metal sheet caused by the heat at the position to be welded.
A method for fixing metal sheets according to claim 2, wherein the positions to be welded comprise a plurality of welding spots, and the slot is provided between adjacent welding spots.
A method for fastening a metal sheet according to claim 3, wherein heat generated by welding one of said welding spots is blocked by said slot during welding of said metal sheet to said article, thereby avoiding heat conduction directly to an adjacent welding spot through a linear distance between said welding spot and said adjacent welding spot.
A method for fixing metal sheets according to claim 4, wherein the adjacent welding spots are symmetrically distributed on both sides of the slot.
A method of fixing a metal sheet according to claim 3, wherein the pitches of the adjacent welding spots are the same.
The method of claim 1, wherein the number of the slots is plural and all the slots are arranged in parallel with each other.
A method of fixing a metal sheet as claimed in claim 7, wherein the spacing between adjacent slots is the same.
A method of fixing a metal sheet as claimed in claim 8, wherein the length of the slot near the center of the position to be welded is longer than the length of the slot far from the center of the position to be welded.
A method of fixing a metal sheet as claimed in claim 1, wherein the slot penetrates the metal sheet in a thickness direction of the metal sheet.
A method of fixing a metal sheet as claimed in claim 1, wherein the slot extends through a side of the metal sheet along a surface of the metal sheet.
A method for fixing a metal sheet as claimed in claim 1, characterized in that the metal sheet is irradiated with laser light during welding of the metal sheet at the position to be welded.
A method for fixing a metal sheet as defined in claim 12, wherein the power of the laser output is the same every time the position to be welded is irradiated with the laser.
A method of fixing a metal sheet as set forth in claim 13, wherein the laser light is output for the same length of time each time in irradiating the position to be welded with the laser light.
A method of securing a metal sheet as claimed in claim 1, wherein during the process of applying the metal sheet to the article, glue is applied to the article to pre-secure the metal sheet to the article.
A method of fixing a metal sheet as claimed in claim 1, characterized in that before soldering the metal sheet at the position to be soldered, solder is clamped between the metal sheet and the object.
A method of fixing a metal sheet according to claim 16, wherein the surface of the metal sheet is roughened before the solder is sandwiched between the metal sheet and the article.
The utility model provides a flexible display device, its characterized in that includes flexible display screen, supporting body and sheetmetal, sheetmetal one side connect in flexible display screen, opposite side welded fastening in the supporting body, be equipped with the fluting on the sheetmetal, the fluting is used for releasing the sheetmetal is heated and the deformation that takes place at the welding position.
The flexible display device of claim 18, wherein the weld locations comprise a plurality of welds, and wherein the slot is disposed between adjacent welds.
The flexible display device of claim 18, wherein the number of the slots is plural and all of the slots are arranged in parallel with each other.
A flexible display device according to claim 18, wherein the length of the slot close to the centre of the soldering location is greater than the length of the slot further from the centre of the location to be soldered.
The flexible display device of claim 18, wherein the slot extends through the metal sheet in a thickness direction of the metal sheet.
The flexible display device of claim 18, wherein the slot extends through a side of the metal sheet along a surface of the metal sheet.