CN111899642A - Bonding apparatus and bonding method - Google Patents
Bonding apparatus and bonding method Download PDFInfo
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- CN111899642A CN111899642A CN202010679361.9A CN202010679361A CN111899642A CN 111899642 A CN111899642 A CN 111899642A CN 202010679361 A CN202010679361 A CN 202010679361A CN 111899642 A CN111899642 A CN 111899642A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Abstract
The embodiment of the invention provides a laminating device and a laminating method, which are used for laminating a curved cover plate and a flexible screen, wherein the laminating device comprises: the pressing table is provided with a containing groove for containing the curved cover plate, the working surface of the pressing table is sunken, the containing groove is provided with a bottom and a special-shaped part positioned on at least one side of the bottom, and a first magnetic part is embedded in the pressing table corresponding to the special-shaped part; the flexible supporting platform is matched with the pressing platform to press the flexible screen to the curved surface attaching cover plate, the flexible supporting platform is provided with a supporting surface for supporting the flexible screen, the supporting surface is provided with a main body part corresponding to the bottom and a curved surface part corresponding to the special-shaped part, and a second magnetic part is embedded in the flexible supporting platform corresponding to the curved surface part; at least one of the first magnetic part and the second magnetic part is an electromagnet, so that repulsion and attraction can be generated between the first magnetic part and the second magnetic part at different time respectively. The invention can solve the problem that bubbles are generated in the process of attaching the flexible screen and the curved cover plate.
Description
Technical Field
The invention relates to the technical field of flexible screen laminating equipment, in particular to a laminating device and a laminating method.
Background
With the advent of the ubiquitous screen age, the demand of people for the full-screen is stronger and stronger. In order to improve the screen occupation ratio, a hyperbolic laminating technology and a quadric laminating technology are developed.
In the prior art, the flexible characteristic of the flexible screen is mainly utilized to realize the full-face screen. At present, the flexible screen is mainly laminated on the inner side of the curved glass cover plate by using a silica gel pad. In the laminating process, the upper jig and the lower jig are pressurized, so that the silica gel pad is deformed to complete the laminating purpose of the flexible screen and the curved cover plate. When the deformation of silica gel pad is not enough, probably can lead to there being the bubble between flexible screen and the curved surface apron.
Therefore, a new bonding apparatus and a new bonding method are needed.
Disclosure of Invention
The embodiment of the invention provides a laminating device and a laminating method, aiming at solving the problem of bubble generation in the laminating process of a flexible screen and a curved cover plate.
An embodiment of the present invention provides a bonding apparatus for bonding a curved cover plate and a flexible screen, including: the pressing table is provided with a containing groove for containing the curved cover plate, the working surface of the pressing table is sunken, the containing groove is provided with a bottom and a special-shaped part positioned on at least one side of the bottom, and a first magnetic part is embedded in the pressing table corresponding to the special-shaped part; the flexible supporting platform is matched with the pressing platform to press the flexible screen to the curved surface attaching cover plate, the flexible supporting platform is provided with a supporting surface for supporting the flexible screen, the supporting surface is provided with a main body part corresponding to the bottom and a curved surface part corresponding to the special-shaped part, and a second magnetic part is embedded in the flexible supporting platform corresponding to the curved surface part; at least one of the first magnetic part and the second magnetic part is an electromagnet, so that repulsion and attraction can be generated between the first magnetic part and the second magnetic part at different time respectively.
According to one aspect of the invention, the first magnetic member is an electromagnet, and the first magnetic member includes a plurality of electromagnetic single bodies, and the plurality of electromagnetic single bodies are distributed at intervals along the bending path of the special-shaped portion.
According to one aspect of the invention, the plurality of electromagnetic monomers are controlled independently of each other.
According to an aspect of the present invention, the irregular portion includes two first irregular portions opposing to each other in a width direction of the laminating apparatus, and the first magnetic member includes two first electromagnetic groups, each of which is disposed corresponding to each of the first irregular portions, respectively.
According to one aspect of the invention, each first electromagnetic group comprises a plurality of electromagnetic monomers which are distributed at intervals along the bending path of the first special-shaped part.
According to one aspect of the invention, the first special-shaped portion is formed by extending along the length direction of the laminating device, the shape of the electromagnetic single bodies in the first electromagnetic group is matched with the shape of the first special-shaped portion, and the electromagnetic single bodies in the first electromagnetic group are formed by extending along the length direction.
According to an aspect of the present invention, the special-shaped portion further includes two second special-shaped portions arranged at intervals in the length direction, and the first magnetic member further includes two second electromagnetic groups, each of the second electromagnetic groups being arranged corresponding to each of the second special-shaped portions, respectively.
According to one aspect of the invention, each second electromagnetic group comprises a plurality of electromagnetic monomers which are distributed at intervals along the bending path of the second special-shaped part.
According to one aspect of the invention, the second special-shaped portion is formed in an extending mode in the width direction of the laminating device, the shape of the second electromagnetic group is matched with that of the second special-shaped portion, and the second electromagnetic group is formed in an extending mode in the length direction.
According to one aspect of the invention, the special-shaped portion further comprises a first bending portion connecting the first special-shaped portion and the second special-shaped portion, and the first magnetic member further comprises a third electromagnetic group arranged corresponding to the first bending portion.
According to one aspect of the present invention, the first bending portion is formed by extending along a bending path, the third electromagnetic assembly includes a plurality of electromagnetic units distributed at intervals along the curved bending path of the first bending portion, and the shape of each electromagnetic unit in the third electromagnetic assembly is adapted to the shape of the first bending portion.
According to an aspect of the present invention, the curved surface portion includes two first curved surface portions provided corresponding to the two first irregularly shaped portions, respectively, and the second magnetic member includes two first permanent magnets each provided corresponding to each first curved surface portion, respectively.
According to one aspect of the invention, the first curved surface portion is formed to extend in the length direction of the laminating device, the shape of the first permanent magnet is matched with the shape of the first curved surface portion, and the first permanent magnet is formed to extend in the length direction.
According to an aspect of the present invention, the curved surface portion further includes two second curved surface portions provided at intervals in the length direction, and the second magnetic member further includes two second permanent magnets, each of which is provided corresponding to each of the second curved surface portions, respectively.
According to one aspect of the invention, the second curved surface portion is formed to extend in the width direction of the attaching device, the shape of the second permanent magnet is matched with the shape of the second curved surface portion, and the second permanent magnet is formed to extend in the length direction.
According to an aspect of the present invention, the curved surface portion further includes a second bent portion connecting the first curved surface portion and the second curved surface portion, and the second magnetic member further includes a third permanent magnet disposed corresponding to the second bent portion.
According to one aspect of the invention, the second bending part is formed along the bending path in an extending manner, and the shape of the third permanent magnet is matched with that of the second bending part.
According to an aspect of the present invention, the second magnetic member has a cross-sectional shape that is adapted to a shape of the curved portion.
According to an aspect of the present invention, the second magnetic member and the curved surface portion are disposed at equal intervals.
According to an aspect of the present invention, the distance between the second magnetic member and the curved surface portion is 3mm to 5 mm.
According to an aspect of the invention, the flexible support table further comprises a bottom surface arranged opposite to the support surface and a side surface connecting the support surface and the bottom surface, the side surface comprising an inclined surface connected to the curved surface portion, the inclined surface being arranged inclined towards the inside of the flexible support table in the direction from the support surface to the bottom surface.
In another aspect, an embodiment of the present invention further provides a method for attaching a curved cover plate to a flexible screen, where the method includes:
arranging the curved surface cover plate in a containing groove of the pressing table, wherein the containing groove is formed by sinking of a working surface of the pressing table, the containing groove is provided with a bottom and a special-shaped part located on at least one side of the bottom, and a first magnetic part is arranged in the pressing table corresponding to the special-shaped part;
the flexible screen is arranged on a supporting surface of a flexible supporting platform, the supporting surface is provided with a main body part corresponding to the bottom and a curved surface part corresponding to the special-shaped part, a second magnetic part corresponding to the curved surface part is embedded in the flexible supporting platform, and at least one of the first magnetic part and the second magnetic part is an electromagnet;
controlling the pressing table to move, and enabling the curved surface cover plate on the bottom and the flexible screen on the main body part to be mutually attached;
turning on a power-on switch of the electromagnet to enable repulsion force to be generated between the first magnetic part and the second magnetic part;
and after the curved cover plate on the bottom is attached to the flexible screen on the main body part, the power-on switch is turned off, so that the curved cover plate on the special-shaped part and the flexible screen on the curved part are attached to each other.
According to one aspect of the invention, the first magnetic member is an electromagnet, and the first magnetic member comprises a plurality of electromagnetic single bodies which are distributed at intervals along the bending path of the special-shaped part;
after the flexible screen laminating on curved surface apron on the bottom and the main part, the circular telegram switch of electro-magnet is closed for curved surface apron on the dysmorphism portion and the flexible screen laminating on the curved surface portion each other include:
after the curved surface cover plate on the bottom is attached to the flexible screen on the main body part, the power-on switches of the plurality of electromagnetic monomers are sequentially turned off in the direction from the bottom to the special-shaped part, so that the curved surface cover plate on the special-shaped part is gradually attached to the flexible screen on the curved surface part.
According to one aspect of the invention, after the curved cover plate on the special-shaped part is attached to the flexible screen on the curved part, the power switch is turned on and the current direction is changed, so that the first magnetic part and the second magnetic part generate attraction force.
According to an aspect of the present invention, after the curved cover plate on the special-shaped portion is attached to the flexible screen on the curved portion, turning on the power switch and changing the current direction to generate the attraction force between the first magnetic member and the second magnetic member includes:
after the curved surface cover plate on the special-shaped part is attached to the flexible screen on the curved surface part, the plurality of electromagnetic single power-on switches are sequentially turned on in the direction from the bottom to the special-shaped part, so that the first magnetic part and the second magnetic part generate attraction force.
According to an aspect of the present invention, the switching device for sequentially turning on the plurality of electromagnetic cells further comprises: when the next electromagnetic monomer is started, the previous electromagnetic monomer is closed so as to avoid the repulsion between the two adjacent electromagnetic monomers.
In the laminating device of the embodiment of the invention, the laminating device comprises a pressing table and a flexible supporting table. The working surface of the pressing platform is sunken to form a containing groove, so that the curved surface cover plate can be arranged in the containing groove. The flexible supporting platform comprises a supporting surface, and the flexible screen can be supported by the supporting surface and attached to the curved cover plate. A first magnetic part is embedded in the pressing table, and a second magnetic part is embedded in the flexible supporting table. At least one of the first magnetic part and the second magnetic part is an electromagnet, so that attraction and repulsion can be generated between the first magnetic part and the second magnetic part. In the use process of the pressing device, the first magnetic part and the second magnetic part can generate repulsion in the pressing process of the curved cover plate on the bottom and the flexible screen on the column body part, the special-shaped part and the curved part are separated from each other, and the curved cover plate on the special-shaped part and the flexible screen on the curved part cannot be attached to each other. After the curved surface cover plate on the bottom and the flexible screen on the column body are attached, repulsion force between the first magnetic part and the second magnetic part can disappear, the curved surface part is gradually close to the special-shaped part, and the curved surface cover plate on the special-shaped part and the flexible screen on the curved surface part are gradually attached. Therefore, in the process of attaching by using the attaching device provided by the embodiment of the invention, the curved cover plate and the flexible screen can be gradually attached from the middle to two sides, so that bubbles can be effectively eliminated, and the problem that bubbles are generated in the attaching process of the flexible screen and the curved cover plate is solved.
Drawings
Other features, objects and advantages of the invention will become apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings in which like or similar reference characters refer to the same or similar parts.
Fig. 1 is a schematic structural diagram of a bonding apparatus according to an embodiment of the present invention;
fig. 2 is a bottom view of a pressing table of a bonding apparatus according to an embodiment of the present invention;
fig. 3 is a bottom view of a pressing table of a laminating apparatus according to another embodiment of the present invention;
FIG. 4 is a top view of a flexible support table of a bonding apparatus according to an embodiment of the present invention;
FIG. 5 is a top view of a flexible support table of a laminating device according to another embodiment of the present invention;
fig. 6 is a flowchart of a bonding method according to an embodiment of the present invention;
FIG. 7 is a process diagram of a bonding method according to an embodiment of the present invention;
FIG. 8 is another process diagram of a bonding method according to an embodiment of the present invention;
FIG. 9 is a further process diagram of a bonding method according to an embodiment of the present invention;
fig. 10 is a further process diagram of a bonding method according to an embodiment of the present invention.
Description of reference numerals:
10. a curved cover plate; 11. a special-shaped surface; 12. a plane; 20. a flexible screen;
100. a pressing table; 110. a working surface; 120. a containing groove; 121. a shaped portion; 121a, a first contour; 121b, a second contour; 121c, a first bending part; 122. a bottom; 130. a first magnetic member; 130a, an electromagnetic monomer; 131. a first electromagnetic group; 132. a second electromagnetic group; 133. a third electromagnetic group;
200. a flexible support table; 210. a support surface; 211. a curved surface portion; 211a, a first curved surface portion; 211b, a second curved surface portion; 211c, a second bending part; 212. a main body portion; 220. a second magnetic member; 221. a first permanent magnet; 222. a second permanent magnet; 223. a third permanent magnet; 230. a bottom surface; 240. a side surface; 241. a bevel;
300. a guide film;
400. and (4) clamping.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated for convenience in describing the invention and to simplify description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The directional terms appearing in the following description are intended to be illustrative in all directions, and are not intended to limit the specific construction of embodiments of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
For better understanding of the present invention, a bonding apparatus and a bonding method according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 10.
Fig. 1 is a schematic diagram illustrating an attaching device according to an embodiment of the present invention, for attaching a curved cover plate 10 and a flexible screen 20.
According to the attaching device of the embodiment of the present invention, the attaching device includes: the pressing table 100, a working surface 110 of the pressing table 100 is recessed to form a containing groove 120 for containing the curved cover plate 10, the containing groove 120 has a bottom 122 and a special-shaped portion 121 located on at least one side of the bottom 122, and a first magnetic member 130 is embedded in the pressing table 100 corresponding to the special-shaped portion 121; the flexible supporting platform 200 is matched with the laminating platform 100 to laminate the flexible screen 20 to the laminating curved cover plate 10, the flexible supporting platform 200 is provided with a supporting surface 210 for supporting the flexible screen 20, the supporting surface 210 is provided with a main body part 212 corresponding to the bottom part 122 and a curved surface part 211 corresponding to the special-shaped part 121, and a second magnetic part 220 is embedded in the flexible supporting platform 200 corresponding to the curved surface part 211; at least one of the first magnetic member 130 and the second magnetic member 220 is an electromagnet, so that the first magnetic member 130 and the second magnetic member 220 can generate a repulsive force and an attractive force at different times.
The flexible supporting platform 200 can be made of various materials, for example, the flexible supporting platform 200 is made of a silicone material, as long as the flexible supporting platform 200 has a certain flexibility to allow the supporting surface 210 to deform.
In the laminating apparatus of the embodiment of the present invention, the laminating apparatus includes a laminating table 100 and a flexible supporting table 200. The working surface 110 of the pressing table 100 is recessed to form a receiving groove 120, so that the curved cover plate 10 can be disposed in the receiving groove 120. The flexible support 200 includes a support surface 210, and the flexible screen 20 can be supported by the support surface 210 and can be attached to the curved cover plate 10. The first magnetic member 130 is embedded in the pressing table 100, and the second magnetic member 220 is embedded in the flexible supporting table 200. And at least one of the first magnetic member 130 and the second magnetic member 220 is an electromagnet, so that an attractive force and a repulsive force can be generated between the first magnetic member 130 and the second magnetic member 220.
In the use process of the pressing device, in the pressing process of the curved cover plate 10 on the bottom 122 and the flexible screen 20 on the column part, the first magnetic member 130 and the second magnetic member 220 can generate a repulsive force, the special-shaped part 121 and the curved part 211 are separated from each other, and the curved cover plate 10 on the special-shaped part 121 and the flexible screen 20 on the curved part 211 cannot be attached to each other. When the curved cover plate 10 on the bottom 122 and the flexible screen 20 on the column are completely attached, the repulsive force between the first magnetic member 130 and the second magnetic member 220 can be eliminated. At this time, the curved surface portion 211 gradually approaches the special-shaped portion 121, and the curved cover plate 10 on the special-shaped portion 121 and the flexible screen 20 on the curved surface portion 211 are gradually attached to each other. Therefore, in the process of attaching by using the attaching device of the embodiment of the invention, the curved cover plate 10 and the flexible screen 20 can be gradually attached from the middle to two sides, so that bubbles can be effectively eliminated, and the problem that bubbles are generated in the process of attaching the flexible screen 20 and the curved cover plate 10 is solved.
Further, after the curved cover plate 10 on the special-shaped portion 121 and the flexible screen 20 on the curved portion 211 are gradually attached to each other, the first magnetic member 130 and the second magnetic member 220 can also generate attraction force, so that extrusion force is generated between the special-shaped portion 121 and the curved portion 211, bubbles between the curved cover plate 10 on the special-shaped portion 121 and the flexible screen 20 on the curved portion 211 are further eliminated, and the problem that bubbles are generated in the attaching process of the flexible screen 20 and the curved cover plate 10 is solved.
In some optional embodiments, the laminating apparatus further includes a guide film 300, the guide film 300 is disposed between the laminating station 100 and the flexible supporting station 200, and the guide film 300 is used for supporting the flexible screen 20 and moving the flexible screen 20 to the flexible supporting station 200.
In these alternative embodiments, the relative position between the flexible screen 20 and the flexible support stage 200 can be adjusted by adjusting the relative position between the guide film 300 and the flexible support stage 200, which facilitates changing the relative position between the flexible screen 20 and the flexible support stage 200 as needed for use.
Optionally, the laminating device further includes a clamp 400, where the clamp 400 is located on the periphery of the guide film 300 and is used for clamping the guide film 300 and driving the guide film 300 to move.
In some alternative embodiments, the first magnetic member 130 is an electromagnet, the first magnetic member 130 includes a plurality of electromagnetic single bodies 130a, and the plurality of electromagnetic single bodies 130a are spaced apart along the bending path of the special-shaped portion 121.
Wherein, the plurality of electromagnetic single bodies 130a further include, distributed at intervals along the bending path of the special-shaped portion 121: the plurality of electromagnetic units 130a are spaced apart from the bottom portion 122, that is, the plurality of electromagnetic units 130a are spaced apart from the center to the edge of the laminating station 100.
In these alternative embodiments, since the plurality of electromagnetic units 130a are distributed at intervals along the bending path of the special-shaped portion 121, after the curved cover plate 10 on the bottom portion 122 and the flexible screen 20 on the column portion are attached, the power-on switches of the electromagnetic units 130a can be sequentially turned off along the bending path of the special-shaped portion 121. The repulsive force between the electromagnetic single body 130a and the second magnetic member 220 gradually disappears, the curved cover plate 10 on the special-shaped portion 121 and the flexible screen 20 on the curved portion 211 are gradually attached from the middle to both sides, and then the air bubbles between the flexible screens 20 of the curved cover plate 10 are gradually extruded out, so that the air bubbles generated in the attaching process of the flexible screen 20 and the curved cover plate 10 are avoided.
In other alternative embodiments, the second magnetic member 220 may also be an electromagnet. The second magnetic member 220 includes a plurality of electromagnetic units 130a distributed at intervals along the bending path of the curved portion 211. The curved cover plate 10 on the special-shaped part 121 and the flexible screen 20 on the curved part 211 can be gradually attached from the middle to two sides.
Alternatively, the plurality of electromagnetic units 130a are controlled independently of each other. So that the plurality of electromagnetic units 130a can be individually controlled according to actual process requirements. After the curved cover plate 10 on the bottom 122 and the flexible screen 20 on the column are attached, the interval time for closing the two adjacent electromagnetic units 130a can be determined according to the process requirement.
The number of the electromagnetic units 130a is various, and the number of the electromagnetic units 130a may be two, three or more. Fig. 1 illustrates an arrangement of three electromagnetic units 130 a.
Referring to fig. 2 and 3 together, the dashed line in fig. 2 and 3 demarcates the bottom portion 122 and the shaped portion 121 of the pressing station 100, and it should be understood that the dashed line in fig. 2 and 3 does not limit the structure of the bonding apparatus. The shape of the bottom 122 is not limited, and the bottom 122 may be rectangular or elliptical, as long as the irregular part 121 is disposed on one side of the bottom 122.
The irregular part 121 can be disposed in various ways, for example, when the curved cover plate 10 is, for example, a hyperboloid cover plate 10, that is, the curved cover plate 10 includes a plane 12 and two irregular surfaces 11, and the two irregular surfaces 11 are disposed on two sides of the plane 12. The shape of the special-shaped portion 121 is adapted to the curved cover plate 10, the special-shaped portion 121 includes two first special-shaped portions 121a opposite to each other in the width direction of the laminating apparatus, the first magnetic member 130 includes two first electromagnetic groups 131, and each first electromagnetic group 131 is disposed corresponding to each first special-shaped portion 121 a.
In these alternative embodiments, the special-shaped portion 121 includes two first special-shaped portions 121a, and the two first special-shaped portions 121a are respectively provided with the first electromagnetic group 131, so that the curved cover plate 10 on the two first special-shaped portions 121a can be attached to the flexible screen 20 on the supporting surface 210.
Referring to fig. 4 and 5, the main body 212 and the curved surface 211 of the flexible supporting platform 200 are marked off by dashed lines in fig. 4 and 5, and it should be understood that the dashed lines in fig. 4 and 5 do not limit the structure of the attaching device. The shape of the main body 212 is not limited, and the main body 212 may be rectangular or elliptical, so long as the curved surface portion 211 is provided on one side of the main body 212.
In some alternative embodiments, the curved surface portion 211 includes two first curved surface portions 211a respectively corresponding to the two first special-shaped portions 121a, and the second magnetic member 220 includes two first permanent magnets 221, and each first permanent magnet 221 is respectively corresponding to each first curved surface portion 211 a.
In these alternative embodiments, the curved surface portion 211 comprises two first curved surface portions 211a, and the two first curved surface portions 211a are respectively matched with the two first special-shaped portions 121a, so that the flexible screen 20 on the two first curved surface portions 211a can be mutually attached to the curved cover plate 10 on the two first special-shaped portions 121 a. The first permanent magnets 221 are correspondingly disposed on the two first curved surface portions 211 a.
Optionally, the first curved surface portion 211a is formed to extend along a length direction of the attaching device, the shape of the first permanent magnet 221 is matched with the shape of the first curved surface portion 211a, and the first permanent magnet 221 is formed to extend along the length direction. So that the flexible screen 20 at each position on the first curved surface part 211a can be attached to the curved cover plate 10. In addition, the first permanent magnet 221 can provide good support for the flexible screen 20, and the shape of the first permanent magnet 221 and the shape of the first curved surface portion 211a are matched to ensure that the support force applied to all positions of the flexible screen 20 is uniform.
The first electromagnet groups 131 can be arranged in various manners, for example, each first electromagnet group 131 includes a plurality of electromagnet units 130a arranged at intervals along the bending path of the first special-shaped portion 121 a. So that the curved cover plate 10 on the first shaped part 121a and the flexible screen 20 on the first curved part 211a can be gradually attached from the middle to the side.
In some alternative embodiments, the first special-shaped portion 121a is formed to extend along the length direction of the laminating device, the shape of the electromagnetic units 130a in the first electromagnetic group 131 is matched with the shape of the first special-shaped portion 121a, and the electromagnetic units 130a in the first electromagnetic group 131 are formed to extend along the length direction. When the repulsive force is generated between the first electromagnetic group 131 and the first permanent magnet 221, the first irregularly-shaped part 121a can be separated from the first curved cover plate 10 everywhere.
During the process of attaching the curved cover plate 10 on the bottom 122 to the flexible screen 20 on the main body 212, repulsive forces may be generated between the two first electromagnetic assemblies 131 and the corresponding first permanent magnets 221, respectively. At this time, the bottom portion 122 and the body portion 212 are attached to each other, and the first shaped portion 121a and the first curved surface portion 211a are separated from each other. That is, the middle portions of the curved cover plate 10 and the flexible screen 20 are first attached to each other. When the curved cover plate 10 on the bottom 122 is attached to the flexible screen 20 on the main body 212, the repulsive force is eliminated, and the curved cover plate 10 on each first special-shaped portion 121a is attached to the flexible screen 20 on each first curved surface portion 211 a. Therefore, in the process of attaching the curved cover plate 10 and the flexible screen 20, the curved cover plate 10 and the flexible screen 20 can be gradually attached from the middle to the two sides, and bubbles are prevented from being generated between the curved cover plate 10 and the flexible screen 20.
In some alternative embodiments, the curved cover plate 10 is, for example, a four-curved cover plate 10, i.e. the curved cover plate 10 comprises two profiled surfaces 11 in its transverse direction and two profiled surfaces 11 in its longitudinal direction. The shape of the special-shaped portion 121 is adapted to the curved cover plate 10, the special-shaped portion 121 further includes two second special-shaped portions 121b arranged at intervals along the length direction, the first magnetic member 130 further includes two second magnetic groups 132, and each second magnetic group 132 is arranged corresponding to each second special-shaped portion 121 b.
In these alternative embodiments, the shaped portion 121 further includes a second shaped portion 121b, and the second shaped portion 121b is correspondingly provided with the second electromagnetic group 132, so that the curved cover plate 10 on the second shaped portion 121b can be attached to the flexible screen 20 on the supporting surface 210.
Alternatively, the curved surface portion 211 includes two second curved surface portions 211b respectively corresponding to the two second irregularly shaped portions 121b, the second magnetic member 220 includes two second permanent magnets 222, and each second permanent magnet 222 is respectively corresponding to each second curved surface portion 211 b.
In these alternative embodiments, the curved surface portion 211 includes two second curved surface portions 211b, and the two second curved surface portions 211b are respectively matched with the two second special-shaped portions 121b, so that the flexible screen 20 on the two second curved surface portions 211b can be mutually attached to the curved cover plate 10 on the two second special-shaped portions 121 b. The two second curved surface portions 211b are each provided with a first permanent magnet 221.
Optionally, the second curved surface portion 211b is formed to extend in the width direction of the attaching device, the shape of the second permanent magnet 222 is matched with the shape of the second curved surface portion 211b, and the second permanent magnet 222 is formed to extend in the length direction. So that the flexible screen 20 at each position on the second curved surface part 211b can be attached to the curved cover plate 10. In addition, the second permanent magnet 222 can provide good support for the flexible screen 20, and the shape of the second permanent magnet 222 and the shape of the second curved surface portion 211b are matched to ensure that the support force applied to all positions of the flexible screen 20 is uniform.
The second electromagnet groups 132 can be disposed in various manners, for example, each second electromagnet group 132 includes a plurality of electromagnet units 130a disposed at intervals along the bending path of the second profile portion 121 b. So that the curved cover plate 10 on the second shaped portion 121b and the flexible screen 20 on the second curved portion 211b can be gradually attached from the middle to the side.
In some alternative embodiments, the second profile portion 121b is formed to extend along the width direction of the laminating apparatus, the shape of the electromagnetic units 130a in the second electromagnetic group 132 is matched with the shape of the second profile portion 121b, and the electromagnetic units 130a in the second electromagnetic group 132 are formed to extend along the width direction. When the repulsive force is generated between the second electromagnet group 132 and the second permanent magnet 222, the second special-shaped portion 121b can be separated from the second curved cover plate 10 everywhere.
In the process of attaching the curved cover plate 10 on the bottom 122 to the flexible screen 20 on the main body 212, a repulsive force may be generated between each of the two first electromagnetic sets 131 and the corresponding first permanent magnet 221, and a repulsive force may be generated between each of the two second electromagnetic sets 132 and the corresponding second permanent magnet 222. The bottom part 122 and the body part 212 are attached to each other, while the first form part 121a and the first curved surface part 211a are separated from each other, and the second form part 121b and the second curved surface part 211b are separated from each other. That is, the middle portions of the curved cover plate 10 and the flexible screen 20 are first attached to each other. When the curved cover plate 10 on the bottom 122 is attached to the flexible screen 20 on the column portion, the above-mentioned repulsive force is eliminated, so that the curved cover plate 10 on each first special-shaped portion 121a is attached to the flexible screen 20 on each first curved surface portion 211a, and the curved cover plate 10 on each second special-shaped portion 121b is attached to the flexible screen 20 on each second curved surface portion 211 b. Therefore, in the process of attaching the curved cover plate 10 and the flexible screen 20, the curved cover plate 10 and the flexible screen 20 can be gradually attached from the middle to the two sides, and bubbles are prevented from being generated between the curved cover plate 10 and the flexible screen 20.
In some optional embodiments, the special-shaped portion 121 further includes a first bent portion 121c connecting the first special-shaped portion 121a and the second special-shaped portion 121b, and the first magnetic member 130 further includes a third electromagnetic assembly 133 disposed corresponding to the first bent portion 121 c. So that the curved cover plate 10 on the first bent portion 121c can be attached to the flexible screen 20 on the supporting surface 210.
In some embodiments, the curved surface portion 211 further includes a second bent portion 211c disposed corresponding to the first bent portion 121c, and the second magnetic member 220 further includes a third permanent magnet 223 disposed corresponding to the second bent portion 211 c. Through the repulsive force and the attractive force generated between the third permanent magnet 223 and the third electromagnet group 133, the first bent portion 121c and the second bent portion 211c can be separated from or attached to each other, and thus the curved cover plate 10 can be gradually attached to both sides from the middle.
Optionally, the second bent portion 211c is formed to extend along the bending path, and the shape of the third permanent magnet 223 is matched with the second bent portion 211 c. So that the flexible screen 20 at each position of the second bending part 211c can be attached to the curved cover plate 10. In addition, the third permanent magnet 223 can provide good support for the flexible screen 20, and the shape of the third permanent magnet 223 and the second bending part 211c is matched to ensure that the support force applied to the flexible screen 20 is uniform.
Optionally, the first bending portion 121c is formed by extending along a bending path, the third electromagnetic assembly 133 includes a plurality of electromagnetic single bodies 130a distributed at intervals along the curved bending path of the first bending portion 121c, and the shape of each electromagnetic single body 130a in the third electromagnetic assembly 133 is adapted to the first bending portion 121 c.
The bending path of the first bending portion 121c refers to a bending path formed by the first bending portion 121c bending from the first special-shaped portion 121a to the second special-shaped portion 121b, and the first bending portion 121c connecting between the first special-shaped portion 121a and the second special-shaped portion 121 b. The curved bending path of the first bent portion 121c is a bending path formed by the surface of the first bent portion 121c to fit the irregular surface 11 of the curved cover plate 10.
In these alternative embodiments, the shape of each electromagnetic unit 130a in the third electromagnetic group 133 is matched with the first bent portion 121c, so that the curved cover plate 10 at each position on the first bent portion 121c can be ensured to be attached to the flexible screen 20. The third electromagnetic group 133 includes a plurality of electromagnetic single bodies 130a distributed at intervals along the curved bending path of the first bending portion 121c, and can gradually attach the curved cover plate 10 and the flexible screen 20 from the center to two sides.
Alternatively, when the second magnetic member 220 includes the first, second and third electromagnet groups 131, 132 and 133, and each of the first, second and third electromagnet groups 131, 132 and 133 includes the electromagnet unit 130a, as shown in fig. 2, the electromagnet units 130a in the first, second and third electromagnet groups 131, 132 and 133 may be integrally formed. Or as shown in fig. 3, the single electromagnets 130a in the first electromagnet group 131, the second electromagnet group 132 and the third electromagnet group 133 are separately disposed.
Alternatively, when the first magnetic member 130 includes the first permanent magnet 221, the second permanent magnet, and the third permanent magnet 223, as shown in fig. 4, the first permanent magnet 221, the second permanent magnet, and the third permanent magnet 223 may be integrally formed. Or as shown in fig. 5, the first permanent magnet 221, the second permanent magnet and the third permanent magnet 223 may be separately provided.
In some alternative embodiments, the cross-sectional shape of the second magnetic member 220 is matched with the shape of the curved surface portion 211. That is, the second magnetic member 220 is bent along the bending path on the surface of the curved portion 211. The second magnetic member 220 can provide support for the flexible screen 20 located on the curved surface portion 211, and the cross-sectional shape of the second magnetic member 220 is matched with the shape of the curved surface portion 211, so that the second magnetic member 220 can provide support for the flexible screen 20 located at each position on the curved surface portion 211, and the support force is guaranteed to be uniformly distributed.
Alternatively, the second magnetic member 220 and the curved surface portion 211 are disposed at equal intervals. The equal-interval distribution of the curved surface parts 211 of the second magnetic member 220 means that: the corresponding positions of the second magnetic member 220 and the curved surface portion 211 are spaced at the same distance. For example, when the cross section of the curved surface portion 211 is arc-shaped, the cross section of the second magnetic member 220 is arc-shaped, and the arc of the cross section of the second magnetic member 220 is concentric with the arc of the cross section of the curved surface portion 211. So that the second magnetic member 220 can provide better support.
In some embodiments, the distance H between the second magnetic member 220 and the curved surface portion 211 is 3mm to 5 mm. When the distance H between the second magnetic member 220 and the curved surface portion 211 is within the above range, it is avoided that the flexible screen 20 is scratched due to a high hard top of the surface of the curved surface portion 211 caused by an excessively small distance H between the second magnetic member 220 and the curved surface portion 211; and the defect that the repulsion force between the first magnetic member 130 and the second magnetic member 220 is insufficient due to the overlarge distance H between the second magnetic member 220 and the curved surface part 211, and the curved surface part 211 and the special-shaped part 121 are difficult to separate from each other can be avoided.
In some alternative embodiments, the flexible support stage 200 further comprises a bottom surface 230 disposed opposite the support surface 210 and a side surface 240 connecting the support surface 210 and the bottom surface 230, the side surface 240 comprising a bevel 241 connected to the curved surface portion 211, the bevel 241 being disposed obliquely towards the inside of the flexible support stage 200 in the direction from the support surface 210 to the bottom surface 230.
In these embodiments, the flexible supporting platform 200 is set in a manner of large top and small bottom, and when the bending angle of the curved surface portion 211 of the curved surface cover plate 10 is large, the supporting film can be inclined towards the inside of the supporting platform to form the curved surface portion 211 with a small bending angle, so that the curved surface cover plate 10 and the flexible screen 20 can be attached to each other conveniently.
Referring to fig. 6 to 10, a second embodiment of the present invention further provides a bonding method for bonding a curved cover plate 10 and a flexible screen 20, the method is completed by using the bonding apparatus of any of the above embodiments, and the bonding method includes:
step S1: and arranging the curved surface cover plate in the accommodating groove of the pressing table.
As described above, the accommodating groove 120 is formed by the working surface 110 of the pressing platform 100 being recessed, the accommodating groove 120 has a bottom 122 and a shaped portion 121 located on at least one side of the bottom 122, and the first magnetic element 130 is disposed in the pressing platform 100 corresponding to the shaped portion 121.
Referring to fig. 7, in fig. 7, the curved cover plate 1 is disposed in the accommodating groove 120.
Step S2: the flexible screen is arranged on the supporting surface of the flexible supporting platform.
As described above, the 122 support surface 210 has the main body portion 212 corresponding to the bottom portion 122 and the curved surface portion 211 corresponding to the irregularly shaped portion 121, the second magnetic member 220 provided corresponding to the curved surface portion 211 is embedded in the flexible support table 200, and at least one of the first magnetic member 130 and the second magnetic member 220 is an electromagnet.
It is understood that when the laminating device includes the guide film 300, the step S2 further includes: the flexible screen 20 is disposed on the guide film 300, and the guide film 300 is moved to the support surface 210 such that the support surface 210 supports the flexible screen 20 through the guide film 300.
Step S3: and controlling the pressing table to move so that the curved cover plate on the bottom and the flexible screen on the main body part are attached to each other.
Step S4: and turning on a power-on switch of the electromagnet.
Referring to fig. 8, the curved cover plate 10 on the bottom 122 and the flexible screen 20 on the main body 212 are attached to each other. When the power switch is turned on, a repulsive force is generated between the first magnetic member 130 and the second magnetic member 220, the special-shaped portion 121 and the curved portion 211 are separated from each other, and the curved cover plate 10 on the special-shaped portion 121 and the flexible screen 20 on the curved portion 211 cannot be attached to each other.
The sequence of step S3 and step S4 is not limited. Step S3 and step S4 may be performed simultaneously, or step S4 may be performed before step S3, or step S3 may be performed before step S4. As long as the curved cover plate 10 on the irregular part 121 and the flexible screen 20 on the curved part 211 are separated from each other in the process of ensuring that the curved cover plate 10 on the bottom part 122 and the flexible screen 20 on the main body part 212 are attached to each other.
Step S5: and after the curved surface cover plate on the bottom is attached to the flexible screen on the main body part, the power-on switch is closed.
After the power-on switch is closed, no repulsive force exists, and the curved cover plate 10 on the special-shaped part 121 and the flexible screen 20 on the curved part 211 are attached to each other. Therefore, in the embodiment of the present invention, in the process of attaching the curved cover plate 10 and the flexible screen 20, the curved cover plate 10 on the bottom portion 122 and the flexible screen 20 on the main body portion 212 may be attached to each other, and then the curved cover plate 10 on the special-shaped portion 121 and the flexible screen 20 on the curved portion 211 may be attached to each other. The curved surface cover plate 10 and the flexible screen 20 are gradually attached from the middle to two sides from inside to outside, and bubbles can be prevented from being generated between the curved surface cover plate 10 and the flexible screen 20.
Optionally, when the first magnetic element 130 is an electromagnet, and the first magnetic element 130 includes a plurality of electromagnetic single bodies 130a, and the plurality of electromagnetic single bodies 130a are distributed at intervals along the bending path of the special-shaped portion 121, please refer to fig. 9 and 10, and the step S5 further includes: after the curved cover plate 10 on the bottom portion 122 is attached to the flexible screen 20 on the main body portion 212, the power-on switches of the plurality of electromagnetic units 130a are sequentially turned off in the direction from the bottom portion 122 to the irregular portion 121, so that the curved cover plate 10 on the irregular portion 121 and the flexible screen 20 on the curved portion 211 are gradually attached. The generation of air bubbles between the curved cover plate 10 and the flexible screen 20 can be further prevented.
Further, in some optional embodiments, the method further includes step S6: after the curved cover plate 10 on the irregular part 121 is attached to the flexible screen 20 on the curved part 211, the power switch is turned on and the current direction is changed, so that the first magnetic member 130 and the second magnetic member 220 generate an attractive force. The suction force drives the special-shaped part 121 and the curved surface part 211 to be tightly attached to extrude the curved surface cover plate 10 and the flexible screen 20, and air bubbles can be further prevented from being generated between the curved surface cover plate 10 and the flexible screen 20.
When the first magnetic member 130 is an electromagnet and the first magnetic member 130 includes a plurality of electromagnetic units 130a distributed at intervals, the step S6 further includes: after the curved cover plate 10 on the irregular part 121 is attached to the flexible screen 20 on the curved part 211, the power-on switches of the plurality of electromagnetic units 130a are sequentially turned on in the direction from the bottom 122 to the irregular part 121, so that the first magnetic member 130 and the second magnetic member 220 generate attraction force.
In these alternative embodiments, the power switches of the plurality of electromagnetic units 130a are sequentially turned on in the direction from the bottom 122 to the special-shaped portion 121, so that the suction force between the special-shaped portion 121 and the curved portion 211 is gradually generated from the inside to the outside, and the air bubbles between the curved cover plate 10 on the special-shaped portion 121 and the flexible screen 20 on the curved portion 211 can be further expelled, thereby preventing the air bubbles from being generated between the curved cover plate 10 and the flexible screen 20.
Optionally, in the process of sequentially opening the plurality of electromagnetic units 130a, when the next electromagnetic unit 130a is opened, the previous electromagnetic unit 130a is closed, so that only one electromagnetic unit 130a is in an open state, and the phenomenon that repulsion force is generated between two adjacent electromagnetic units 130a to affect the mutual attachment of the curved surface cover plate 10 and the flexible screen 20 is avoided.
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. For example, the algorithms described in the specific embodiments may be modified without departing from the basic spirit of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a laminating device, its characterized in that for laminating curved surface apron and flexible screen, laminating device includes:
the working surface of the pressing table is sunken to form a containing groove for containing the curved cover plate, the containing groove is provided with a bottom and a special-shaped part located on at least one side of the bottom, and a first magnetic part is embedded in the pressing table corresponding to the special-shaped part;
the flexible supporting platform is matched with the pressing platform to press the flexible screen to the fit curved cover plate, the flexible supporting platform is provided with a supporting surface for supporting the flexible screen, the supporting surface is provided with a main body part corresponding to the bottom and a curved surface part corresponding to the special-shaped part, and a second magnetic part is embedded in the flexible supporting platform corresponding to the curved surface part;
at least one of the first magnetic part and the second magnetic part is an electromagnet, so that repulsion and attraction can be generated between the first magnetic part and the second magnetic part at different time respectively.
2. The laminating device according to claim 1, wherein the first magnetic member is an electromagnet, the first magnetic member includes a plurality of electromagnetic units, and the plurality of electromagnetic units are spaced apart along the bending path of the irregular portion;
preferably, a plurality of the electromagnetic monomers are controlled independently of each other.
3. The laminating device according to claim 2, wherein the shaped portion includes two first shaped portions opposed to each other in a width direction of the laminating device, and the first magnetic member includes two first electromagnetic groups, each of the first electromagnetic groups being provided corresponding to each of the first shaped portions, respectively;
preferably, each first electromagnetic group comprises a plurality of electromagnetic single bodies distributed at intervals along the bending path of the first special-shaped portion;
preferably, the first special-shaped portion is formed by extending along the length direction of the attaching device, the shape of the electromagnetic single body in the first electromagnetic group is matched with the shape of the first special-shaped portion, and the electromagnetic single body in the first electromagnetic group is formed by extending along the length direction;
preferably, the special-shaped portion further includes two second special-shaped portions arranged at intervals along the length direction, the first magnetic member further includes two second electromagnetic sets, and each second electromagnetic set is arranged corresponding to each second special-shaped portion;
preferably, each of the second electromagnetic sets includes a plurality of electromagnetic units distributed at intervals along the bending path of the second special-shaped portion;
preferably, the second special-shaped portion extends and forms along the width direction of the attaching device, the shape of the second electromagnetic group is matched with the shape of the second special-shaped portion, and the second electromagnetic group extends and forms along the length direction;
preferably, the special-shaped portion further includes a first bent portion connecting the first special-shaped portion and the second special-shaped portion, and the first magnetic member further includes a third electromagnetic group disposed corresponding to the first bent portion;
preferably, the first bending portion extends along a bending path to be formed, the third electromagnetic assembly includes a plurality of electromagnetic single bodies distributed at intervals along the curved bending path of the first bending portion, and the shape of each electromagnetic single body in the third electromagnetic assembly is matched with the shape of the first bending portion.
4. The laminating device according to claim 3, wherein the curved surface portion includes two first curved surface portions provided corresponding to the two first irregularly shaped portions, respectively, and the second magnetic member includes two first permanent magnets provided corresponding to the first curved surface portions, respectively;
preferably, the first curved surface portion extends and forms along a length direction of the attaching device, the shape of the first permanent magnet is matched with the shape of the first curved surface portion, and the first permanent magnet extends and forms along the length direction;
preferably, the curved surface portion further includes two second curved surface portions arranged at intervals along the length direction, and the second magnetic member further includes two second permanent magnets, each of the second permanent magnets being arranged corresponding to each of the second curved surface portions, respectively;
preferably, the second curved surface portion is formed to extend in the width direction of the attaching device, the shape of the second permanent magnet is matched with the shape of the second curved surface portion, and the second permanent magnet is formed to extend in the length direction;
preferably, the curved surface portion further includes a second bent portion connecting the first curved surface portion and the second curved surface portion, and the second magnetic member further includes a third permanent magnet disposed corresponding to the second bent portion;
preferably, the second bending portion extends along a bending path, and the shape of the third permanent magnet is matched with that of the second bending portion.
5. The laminating device of claim 1,
the cross section shape of the second magnetic part is matched with the shape of the curved surface part;
preferably, the second magnetic member and the curved surface part are arranged at equal intervals;
preferably, the distance between the second magnetic member and the curved surface portion is 3mm to 5 mm.
6. The laminating device of claim 1, wherein the flexible support platform further comprises a bottom surface disposed opposite the support surface and a side surface connecting the support surface and the bottom surface, the side surface comprising a slope surface connected to the curved surface portion, the slope surface being disposed to slope toward an interior of the flexible support platform in a direction from the support surface to the bottom surface.
7. A fitting method is used for fitting a curved cover plate and a flexible screen, and is characterized by comprising the following steps:
arranging the curved surface cover plate in a containing groove of a pressing table, wherein the containing groove is formed by sinking of a working surface of the pressing table, the containing groove is provided with a bottom and a special-shaped part located on at least one side of the bottom, and a first magnetic part is arranged in the pressing table corresponding to the special-shaped part;
arranging the flexible screen on a supporting surface of a flexible supporting platform, wherein the supporting surface is provided with a main body part corresponding to the bottom and a curved surface part corresponding to the special-shaped part, a second magnetic part corresponding to the curved surface part is embedded in the flexible supporting platform, and at least one of the first magnetic part and the second magnetic part is an electromagnet;
controlling the pressing table to move, and enabling the curved surface cover plate on the bottom and the flexible screen on the main body part to be attached to each other;
turning on an electrified switch of the electromagnet to enable repulsion force to be generated between the first magnetic part and the second magnetic part;
and after the curved surface cover plate on the bottom is attached to the flexible screen on the main body part, the power-on switch is closed, so that the curved surface cover plate on the special-shaped part and the flexible screen on the curved surface part are attached to each other.
8. The method according to claim 7, wherein the first magnetic member is an electromagnet, and the first magnetic member comprises a plurality of electromagnetic single bodies which are distributed at intervals along the bending path of the special-shaped portion;
after the curved surface apron on the bottom with the flexible screen laminating on the main part, close the circular telegram switch of electro-magnet for on the dysmorphism portion curved surface apron with on the curved surface portion the flexible screen laminating each other includes:
after the curved surface cover plate on the bottom is attached to the flexible screen on the main body portion, the plurality of the power-on switches of the electromagnetic monomers are sequentially turned off in the direction from the bottom to the special-shaped portion, so that the curved surface cover plate on the special-shaped portion is gradually attached to the flexible screen on the curved surface portion.
9. The method of claim 8, further comprising: after the curved surface cover plate on the special-shaped part is attached to the flexible screen on the curved surface part, the power-on switch is turned on, the current direction is changed, and attraction is generated between the first magnetic part and the second magnetic part.
10. The method of claim 9, wherein after the curved cover plate on the irregular portion is attached to the flexible screen on the curved portion, turning on the power switch and changing the direction of the current to generate the attraction force between the first magnetic member and the second magnetic member comprises:
after the curved surface cover plate on the special-shaped part is attached to the flexible screen on the curved surface part, sequentially turning on a plurality of power-on switches of the electromagnetic single bodies according to the direction from the bottom to the special-shaped part to enable the first magnetic part and the second magnetic part to generate suction force in front of each other;
preferably, the switching device for sequentially turning on the plurality of electromagnetic single bodies further includes: when the next electromagnetic monomer is started, the previous electromagnetic monomer is closed so as to avoid the generation of repulsion between the two adjacent electromagnetic monomers.
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| CN202010679361.9A CN111899642A (en) | 2020-07-15 | 2020-07-15 | Bonding apparatus and bonding method |
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