CN112123911A - Bonding apparatus and bonding method - Google Patents
Bonding apparatus and bonding method Download PDFInfo
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- CN112123911A CN112123911A CN202011033668.8A CN202011033668A CN112123911A CN 112123911 A CN112123911 A CN 112123911A CN 202011033668 A CN202011033668 A CN 202011033668A CN 112123911 A CN112123911 A CN 112123911A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000003825 pressing Methods 0.000 claims abstract description 102
- 238000010030 laminating Methods 0.000 claims abstract description 48
- 239000010410 layer Substances 0.000 claims description 112
- 238000003475 lamination Methods 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 6
- 238000006748 scratching Methods 0.000 claims description 3
- 230000002393 scratching effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005056 compaction Methods 0.000 abstract description 9
- 238000007493 shaping process Methods 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 101
- 239000000463 material Substances 0.000 description 11
- 238000000926 separation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 206010066054 Dysmorphism Diseases 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/1201—Manufacture or treatment
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The application discloses a laminating device and a laminating method. The laminating device comprises a laminating table, wherein a working surface of the laminating table is sunken to form a containing groove for containing the curved surface cover plate, and the containing groove is provided with a special-shaped part corresponding to the special-shaped surface of the curved surface cover plate; the profiling pressure head comprises an arc-shaped surface which is used for contacting one side of the guide film layer departing from the film layer structure so as to pre-press and form the film layer structure; the fixture comprises a clamping assembly and a pressing assembly, wherein the clamping assembly is used for clamping and guiding a film layer to stretch out, the pressing assembly at least acts on a special-shaped area in the film layer structure to provide pressure towards the arc-shaped surface for the film layer structure, and the pressing assembly can be connected to the clamping assembly. The application discloses laminating device can prevent that the warpage from taking place after the pre-compaction shaping of rete structure to make curved surface apron better with the laminating effect of rete structure.
Description
Technical Field
The application belongs to the technical field of curved surface display equipment, and particularly relates to a laminating device and a laminating method.
Background
At present, with the development of curved surface display technology, curved surface display equipment is more and more widely applied, but in the preparation process of curved surface display equipment, the problem of poor fitting between a curved surface cover plate and a flexible film layer structure exists.
Disclosure of Invention
The embodiment of the application provides a laminating device and a laminating method, which can prevent a film layer structure from warping after pre-pressing forming, so that a laminating effect of a curved surface cover plate and the film layer structure is better.
The embodiment of the application provides a laminating device, which is used for laminating a curved surface cover plate and a film layer structure, wherein the film layer structure is a layer structure body comprising a flexible screen body, the film layer structure comprises a special-shaped area corresponding to the special-shaped surface of the curved surface cover plate, a guide film layer is laminated on one side surface of the film layer structure, the guide film layer comprises a protruding area protruding out of the edge of the film layer structure, the film layer structure comprises a pressing table, a working surface of the pressing table is sunken to form a containing groove for containing the curved surface cover plate, and the containing groove is provided with a special-shaped part corresponding to the special-shaped surface; the profiling pressure head comprises an arc-shaped surface which is used for contacting one side of the guide film layer departing from the film layer structure so as to pre-press and form the film layer structure; the fixture comprises a clamping assembly and a pressing assembly, wherein the clamping assembly is used for clamping and guiding a film layer to stretch out, the pressing assembly at least acts on a special-shaped area in the film layer structure to provide pressure towards the arc-shaped surface for the film layer structure, and the pressing assembly can be connected to the clamping assembly.
Optionally, the pressing assembly includes at least one pressing element, the pressing element includes a first contact surface for contacting with the corresponding heterotypic region, and the first contact surface is a plane, or the first contact surface is a curved surface for fitting the corresponding heterotypic region with the profiling ram.
Optionally, the pressing assembly includes at least one curvature adapter, the curvature adapter includes a rotating plate and a mounting member, the mounting member is fixedly mounted on the clamping assembly, the rotating plate is rotatably mounted on the mounting member, the rotating plate includes a second contact surface for contacting with a corresponding special-shaped region, the second contact surface is a curved surface for fitting the corresponding point special-shaped region with the profiling pressure head, or the curvature adapter includes a roller for fitting the corresponding special-shaped region with the profiling pressure head, and the roller is mounted on the clamping assembly through a connecting member.
Optionally, the film layer structure includes two opposite profiled regions, the pressing assembly includes a first portion acting on one of the two profiled regions and a second portion acting on the other of the two profiled regions, and the first portion and the second portion have the same structure.
Optionally, the laminating device includes a plurality of sizes of lamination assemblies, and each size of lamination assembly is adjustably mounted to the clamping assembly to provide pressure to the film structure toward the arc surface.
Optionally, a plurality of position adjusting holes are formed on the clamping assembly so that the attaching device is adjustably mounted on the clamping assembly.
Optionally, the position adjusting hole is a jack or a threaded hole.
Optionally, the press-fit assembly is in contact with at least one side of the film layer structure, which is away from the guide film layer, of the abnormal-shaped region, and a protective layer for preventing the film layer structure from being scratched is arranged on the surface of one side, which is in contact with the film layer structure, of the press-fit assembly.
The application also provides a laminating method applying any one of the laminating devices provided in the technical scheme, which comprises the steps of clamping and fixing the extending area of the guide film layer on the clamping assembly so as to enable the film layer structure to be installed on the clamp and enable the guide film layer to be in a tensioning state; the arc-shaped surface of the profiling pressure head is contacted with one side of the guide film layer, which is far away from the film layer structure, and the profiling pressure head is mutually extruded, and the pressing component connected with the clamping component is contacted with the special-shaped area of the film layer structure, which is far away from the side of the guide film layer, so as to provide pressure towards the arc-shaped surface for the flexible screen body, and the film layer structure is pre-pressed and molded; and removing the clamp and attaching the curved surface cover plate in the pressing table to the film layer structure formed by pre-pressing.
Optionally, in the step of removing the fixture and attaching the curved surface cover plate in the pressing table to the film structure formed by pre-pressing, the fixture is moved in the horizontal direction, or the fixture is moved in the vertical direction, or the fixture is moved along the parabolic movement track.
The laminating device provided by the embodiment of the application comprises a laminating table, a profiling pressing head and a clamp, wherein the clamp comprises a clamping assembly and a laminating assembly; the profiling pressure head is used for being matched with the clamp to enable the film layer structure to be pre-pressed and formed so as to be convenient for the film layer structure to be attached to the curved surface cover plate; the clamping assembly in the clamp is used for clamping and tensioning the guide film layer attached to one side of the film layer structure, so that the film layer structure can be tensioned, prepressing forming is facilitated, and wrinkles are avoided; in the pre-compaction forming process, anchor clamps are close to with the imitative pressure head, make the arc surface and the guide rete contact of imitative pressure head and extrude each other, thereby make the rete structure take place deformation along the arc surface, but the lamination unit acts on heterotypic region in the rete structure simultaneously, in order to provide the pressure towards the arc surface to the rete structure, but make the deformation effect of the heterotypic region of rete structure better, the deformation hold time is longer, thereby can effectively prevent separation and the bounce-back between the multilayer structure of the rete structure that can heterotypic region correspond, make the rete structure better with the laminating effect of curved surface apron.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1a to fig. 1c are schematic structural diagrams of a first bonding apparatus provided in an embodiment of the present application in various operating states.
Fig. 2a to fig. 2c are schematic structural diagrams of a second applying device provided in an embodiment of the present application in various operating states.
Fig. 3a to 3c are schematic structural diagrams of a third bonding apparatus provided in an embodiment of the present application in each operating state.
Fig. 4a to 4c are schematic structural diagrams of a fourth laminating device provided in the embodiment of the present application in each operating state.
Fig. 5 is a schematic flow chart of a bonding method according to an embodiment of the present disclosure.
In the drawings:
1-a pressing table; 2-curved surface cover plate; 3-profiling indenter; 4-clamping; 41-a clamping assembly; 42-pressing the assembly; 5-protective layer.
Detailed Description
Features and exemplary embodiments of various aspects of the present application 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 application. It will be apparent, however, to one skilled in the art that the present application 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 application by illustrating examples thereof.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The embodiments will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1a, fig. 2a, fig. 3a and fig. 4a, an embodiment of the present application provides a bonding apparatus for bonding a curved cover plate 2 to a film structure, where the film structure is a layer structure including a flexible screen body, the film structure includes a region that can be shaped corresponding to a shaped surface of the curved cover plate 2, a guiding film is bonded to a surface of one side of the film structure, and the guiding film includes a protruding region protruding out of an edge of the film structure.
The laminating device comprises a pressing table 1, a profiling pressure head 3 and a clamp 4, wherein the working surface of the pressing table 1 is sunken to form a containing groove for containing the curved surface cover plate 2, and the containing groove is provided with a special-shaped part corresponding to the special-shaped surface of the curved surface cover plate 2. The profiling ram 3 comprises an arcuate surface for contacting a side of the guiding film facing away from the film structure for pre-compression moulding of the film structure. The fixture 4 comprises a clamping assembly 41 and a pressing assembly 42, the clamping assembly 41 is used for clamping a protruding area for guiding the film, the pressing assembly 42 at least acts on a special-shaped area in the film structure to provide pressure towards the arc-shaped surface for the film structure, and the pressing assembly 42 can be connected to the clamping assembly 41.
The laminating device provided by the embodiment of the application is provided with the pressing component 42 used together with the clamp 4, and in the laminating process, the clamping component 41 in the clamp 4 is used for clamping and tensioning the guide film layer laminated on one side of the film layer structure, so that the film layer structure can be tensioned, prepressing forming is facilitated, and wrinkles are avoided; in the pre-compaction forming process, anchor clamps 4 are close to with imitative pressure head 3, make imitative pressure head 3's arc surface and guide membranous layer contact and extrude each other, thereby make membranous layer structure take place deformation along the arc surface, but lamination assembly 42 acts on heterotypic region in membranous layer structure simultaneously, in order to provide the pressure towards the arc surface to membranous layer structure, but make membranous layer structure's heterotypic regional deformation effect better, the deformation hold time is longer, thereby can effectively prevent separation and the bounce-back between the multilayer structure of the membranous layer structure that can heterotypic region correspond, make membranous layer structure and curved surface apron 2's laminating effect better.
The rete structure that provides in the embodiment of this application only includes the flexible screen body, or the rete structure is for including the support membrane protection film that stacks gradually the setting, protection film and flexible screen body, the flexible screen body includes the drive layer at least, the luminescent layer, for example when the flexible screen body is the flexible screen body of OLED, the drive layer can be thin film transistor drive layer, the luminescent layer includes the positive pole, OLED luminescent material layer, negative pole, the rete structure is in with curved surface apron laminating in-process, at first need with rete structure pre-compaction shaping, then with curved surface apron laminating again. In the process of prepressing and forming the film layer structure, a guide film layer is required to be attached to the surface of one side of the film layer structure, then prepressing is carried out, and when the film layer structure only comprises a flexible screen body, the attaching device provided by the application can prevent the guide film layer from being separated from a special-shaped area of the flexible screen body in the prepressing process, so that the prepressing and attaching effects are better; when the rete structure including the support membrane protection film that stacks gradually the setting, during protection film and flexible screen body, at the pre-compaction in-process, but the separation takes place easily between each rete of rete structure dysmorphism region and the guide rete and the rete structure can dysmorphism region, but especially the separation takes place most easily between the support membrane protection film of dysmorphism regional portion and the support membrane at the pre-compaction in-process, thereby seriously influence the laminating effect with the curved surface apron, but the laminating device that this application provided can prevent to guide between the special-shaped region of rete and flexible screen body at the pre-compaction in-process, and take place the separation between each rete of rete structure special-shaped region, make pre-compaction and laminating effect better.
In particular, the film structure includes two opposing profiled regions, and the pressing assembly 42 includes a first portion that acts on one of the two profiled regions and a second portion that acts on the other of the two profiled regions.
In an embodiment, the curved cover plate 2 includes two opposite bending regions, the film structure attached to the curved cover plate 2 includes two opposite irregular regions, and the irregular regions of the film structure can be bent by pre-pressing to facilitate attachment of the two curved regions, where it is to be noted that the film structure is a flexible structure and can also be deformed between the two opposite irregular regions, and the irregular regions refer to regions of the film structure corresponding to the bending regions of the curved cover plate 2.
The lamination assembly 42 comprises a first portion and a second portion, wherein the first portion acts on one of the profiled regions of the film structure and the second portion acts on the other of the profiled regions of the film structure, and the first portion and the second portion respectively cooperate with the profiling ram 3 to make the deformation of the profiled regions of the film structure more permanent.
In one possible embodiment, the first portion includes at least one compression member and the second portion includes at least one compression member.
Each of the profiled regions comprises a first side edge along a direction perpendicular to the arrangement direction of the two profiled regions, and when the first portion and/or the second portion comprises only one pressing element, the length of the pressing element along the direction of the first side edge of the profiled region is the same as or greater than the length of the first side edge, so as to provide pressure towards the profiling head 3 for the whole bendable region; when at least one of the first and second portions includes a plurality of pressing members, the total length of the plurality of pressing members in the direction of the first side of the bendable region after being arranged is the same as or greater than the length of the first side, so as to provide the entire bendable region with pressure toward the profiling indenter 3.
As an alternative, the pressure element comprises a first contact surface for contacting the corresponding profiled region, the first contact surface being planar.
In the above embodiments, as shown in fig. 1a, 1b and 1c, the pressing member may be in a flat plate shape, or as shown in fig. 2a, 2b and 2c, only the first contact surface is a flat surface, the surface away from the first contact surface is a curved surface, and the pressing member is made of a rigid material, in some alternative embodiments, the pressing member is not deformed during the pre-press forming process, and in the pre-press forming process, the pressing member is driven by the fixture 4 to move along a parabolic movement track with the same surface curvature as that of a portion of the profiling head 3 opposite to the bendable region by adjusting process parameters of a device controlling the movement of the fixture 4, so as to pre-press form the deformable region, and when the fixture 4 is removed, the pressing member needs to be removed from both sides of the profiling head 3 in a horizontal direction or in a parabolic direction during the pre-press forming.
It can be understood that in some alternative embodiments, the pressing element can be bent, but the rigidity of the pressing element is greater than the resilience force of the bendable region, the pressing element is driven by the clamp 4 to move along the vertical direction by adjusting the process parameters of the equipment for controlling the movement of the clamp 4 in the pre-pressing forming process, the pressing element is forced to deform towards one side away from the special-shaped region by the special-shaped region, the pressing element provides pressure towards the special-shaped region for the special-shaped region, the pressing element and the special-shaped region interact to pre-press and form the special-shaped region, and when the clamp 4 is removed, the pressing element needs to be removed from two sides of the special-shaped region 3 along the horizontal direction.
As a further alternative, the presser comprises a first contact surface for contact with the corresponding profiled area, the first contact surface being a curved surface for the corresponding profiled area to conform to the profiling indenter 3.
In the above embodiment, the pressing member is made of a rigid material, the pressing member is not deformed during the pre-pressing forming process, and the pressing member is driven by the clamp 4 to move along the vertical direction by adjusting the process parameters of the equipment for controlling the movement of the clamp 4 during the pre-pressing forming process, so that the first contact surface of the pressing member is directly contacted with the abnormal-shaped area and decompressed, and the abnormal-shaped area is pre-pressed and formed; when the clamp 4 is removed, the clamp needs to be removed from the two sides of the profiling pressing head 3 along the horizontal direction.
In another alternative embodiment, as shown in fig. 3a and 4a, the first portion includes at least one curve adapter and the second portion includes at least one curve adapter.
Each profiled region comprises a first side perpendicular to the direction of alignment of the two profiled regions, the length of the first curved adapter in the direction of the first side of the profiled region being the same as or greater than the length of the first side when the first portion comprises a curved adapter, in order to provide a pressure force towards the profiling ram 3 for the entire bendable region; when the first portion includes a plurality of first curvature adapters, the plurality of first curvature adapters are arranged such that the total length of the plurality of first curvature adapters along the first side of the deformable region is the same as or greater than the length of the first side to provide pressure on the entire bendable region toward the profiling ram 3, and/or,
when the second portion comprises a curvature adapter, the length of the curvature adapter in the direction of the first side of the shapeable region is the same as or greater than the length of the first side, so as to provide a pressure force towards the profiling indenter 3 for the entire bendable region; when the second portion includes a plurality of curvature adapters, the plurality of curvature adapters are arranged such that the total length in the direction of the first side of the shapeable region is the same as or greater than the length of the first side to provide pressure to the entire shapeable region toward the profiling ram 3.
Specifically, as shown in fig. 4a, 4b and 4c, the curvature adapter includes a rotating plate and a mounting member, the mounting member is fixedly mounted on the clamping assembly 41, the rotating plate is rotatably mounted on the mounting member, the rotating plate includes a second contact surface for contacting with the corresponding heterotype area, the second contact surface is a cambered surface for making the corresponding heterotype area fit with the profiling indenter 3, or, as shown in fig. 3a, 3b and 3c, the curvature adapter includes a roller for making the corresponding heterotype area fit with the profiling indenter 3, and the roller is mounted on the clamping assembly 41 through a connecting member.
As an alternative, the curvature adapter comprises a flap and a mounting member, the curvature adapter is made of a rigid material that is not easily deformed, so as to ensure that the curvature adapter does not deform during use, thereby ensuring that the curvature adapter provides pressure for the special-shaped area during use, in the process of pre-pressing and forming, the process parameters of the equipment for controlling the movement of the clamp 4 are required to be adjusted, so that the clamp 4 drives the curvature adapting piece to move along the parabolic movement track with the same surface radian as the part of the profiling pressing head 3 opposite to the bendable area, so as to pre-press and form the special-shaped area, in the process of prepressing and forming, the rotating plate rotates and adjusts according to the prepressing condition to enable the second contact surface to be in contact with the special-shaped area, when the clamp 4 is removed, the clamp needs to be removed from the two sides of the profiling pressing head 3 along the horizontal direction or removed along the parabola direction during the prepressing forming.
In particular, in one embodiment, the curvature adapter in the first portion and the curvature adapter in the second portion of the compression assembly may be the same or different, for example: the curvature adapter in the first portion includes a connecting piece and a roller, and the curvature adapter in the second portion includes a connecting piece and a roller, or the curvature adapter in the first portion includes a rotating plate and a mounting piece, and the curvature adapter in the second portion includes a connecting piece and a roller, or the curvature adapter in the first portion includes a connecting piece and a roller, and the curvature adapter in the second portion includes a rotating plate and a mounting piece.
Specifically, the laminating device comprises a plurality of sizes of pressing components 42, and each size of pressing component 42 is arranged on the clamping component 41 in a position-adjustable mode to provide pressure towards the arc-shaped surface for the film structure.
Laminating device includes the lamination components 42 of multiple specification to be applicable to the rete structure of different specifications, the lamination components 42 position of every specification is installed in centre gripping subassembly 41 adjustably, specifically includes: a plurality of position adjusting holes are formed in the clamping assembly 41, the position adjusting holes are jacks or threaded holes, when the position adjusting holes are jacks, the pressing assembly 42 is clamped and fixed with the clamping assembly 41, and when the position adjusting holes are threaded holes, the pressing assembly 42 is fastened with the clamping assembly 41 through screws.
Specifically, the pressing assembly 42 is in contact with at least one side of the film layer structure facing away from the guiding film layer of the profiled region, and a surface of the pressing assembly 42 on the side for contacting the film layer structure is provided with a protective layer 5 for preventing scratching of the film layer structure, as shown in fig. 1a, 1b and 1 c.
In a feasible embodiment, the protective layer 5 is a silica gel layer or a protective layer 5 made of other flexible materials, and when the pressing assembly 42 contacts with the irregular area in the film structure, the protective layer 5 disposed on the pressing assembly 42 moves along with the pressing assembly 42 to prevent the pressing assembly 42 from wearing or scratching the film structure.
In another possible embodiment, when the first and second parts of the press-fit assembly 42 each comprise a press-fit element, the protective layer 5 pressed against the press-fit element may be made of an optical glue, the film-layer assembly comprising an optical glue layer on the side facing away from the guide film layer for application to the cover plate assembly, the optical glue comprising a release layer on the side facing away from the guide film layer, the viscosity of the release layer towards the side facing away from the guide film layer being lower than the viscosity of the side facing away from the guide film layer, so that the release layer can be adhered to the protective layer 5 and withdrawn with the clamps 4, so that the step of removing the release layer, which further prevents damage to the film structure by the press-plate assembly, can be omitted simultaneously, is provided with a dividing line for facilitating tearing so as to withdraw with the clamps 4, and when the actual withdrawal speed is not sufficient to withdraw all release layers, only the part of the release layer opposite to the profiled region, so as to withdraw the clamp 4 from the release layer in time.
An embodiment of the present application further provides a bonding method using any one of the bonding apparatuses provided in the above technical solutions, as shown in fig. 5, including:
s101, clamping and fixing the protruding region of the guiding film layer to the clamping assembly 41, so as to mount the film layer structure on the fixture 4, and to place the guiding film layer in a tensioned state, as shown in fig. 1a, fig. 2a, fig. 3a and fig. 4 a;
s102, contacting and pressing the arc surface of the profiling ram 3 and the side of the guiding film layer facing away from the film layer structure with each other, as shown in fig. 1b, fig. 2b, fig. 3b and fig. 4 b; and bringing a pressing assembly 42 connected to the clamping assembly 41 into contact with the profiled region of the side of the film structure facing away from the guiding film to provide a pressure on the flexible screen towards the curved surface for pre-pressing the film structure into shape, as shown in fig. 1c, 2c, 3c and 4 c;
and S103, removing the clamp 4 and attaching the curved surface cover plate 2 in the pressing table 1 to the film layer structure formed by pre-pressing.
In step 102, the pressing plate assembly is in contact with the special-shaped area on one side of the film layer structure, which is deviated from the guide film layer, so that the pressing plate assembly provides pressure towards the arc-shaped surface for the film layer structure, the pressing plate assembly interacts with the arc-shaped surface of the square pressing head, so that the pressure applied to the special-shaped area is larger, the deformation is more durable, the rebound of the special-shaped area can be effectively prevented, and the laminating effect of the film layer structure and the curved surface cover plate 2 is better.
In step 102, the movement of the gripper 4 and/or the profiling ram 3 is controlled such that the distance between the gripper 4 and the profiling ram 3 is reduced and the curved surface of the profiling ram 3 is brought into contact with and pressed against the side of the guiding film layer facing away from the film layer structure and the press plate assembly.
In the process of attaching the curved cover plate 2 to the film layer structure, the step of placing the curved cover plate 2 in the pressing table 1 may be before step 101, before step 102, or synchronous with step 101, or synchronous with step 102, which is not limited in the embodiment of the present application.
Specifically, in the step of removing the fixture 4 and attaching the curved surface cover plate 2 in the pressing table 1 to the film layer structure formed by pre-pressing, the fixture 4 is moved in the horizontal direction, or the fixture 4 is moved in the vertical direction, or the fixture 4 is moved along the parabolic movement track.
The movement mode of the fixture 4 is determined by the structure and material of the pressing component 42, and specifically includes the following steps:
when the first part of the pressing component 42 comprises at least one pressing piece and the second part comprises at least one pressing piece, the pressing piece can be flat, or only the first contact surface is a plane, the surface opposite to the first contact surface is a curved surface, and the material of the pressing piece is a rigid material, in one embodiment, the pressing piece is not deformed in the pre-pressing forming process, and when the clamp 4 is removed, the clamp 4 is removed from the two sides of the profiling pressing head 3 in the horizontal direction or removed along the parabola direction in the pre-pressing forming process by adjusting the process parameters of the equipment for controlling the motion of the clamp 4; in another embodiment, the pressing element can be bent, but the rigidity of the pressing element is larger than the resilience force of the bendable area, and when the clamp 4 is removed, the clamp 4 is removed from the two sides of the profiling pressing head 3 along the horizontal direction or removed along the vertical direction by adjusting the process parameters of the equipment for controlling the motion of the clamp 4.
In another embodiment, the presser comprises a first contact surface for contact with the corresponding profiled area, the first contact surface being a curved surface for the corresponding profiled area to conform to the profiling indenter 3. The material of casting die is the rigidity material, and the casting die is indeformable in the pre-compaction forming process, need be through the technological parameter of the equipment of adjusting control anchor clamps 4 motion when removing anchor clamps 4 for anchor clamps 4 are removed by profiling pressure head 3 both sides along the horizontal direction.
In another embodiment, the first portion comprises at least one curvature adapter, and the second portion comprises at least one curvature adapter, the curvature adapter is made of rigid material which is not easy to deform, and when the clamp 4 is removed, the process parameters of the equipment for controlling the motion of the clamp 4 are adjusted, so that the clamp 4 is removed from the two sides of the profiling ram 3 along the horizontal direction or along the parabola direction during the pre-pressing forming.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It should be understood that in the embodiment of the present application, "B corresponding to a" means that B is associated with a, from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
The above description is only a specific implementation of the embodiments of the present application, but the scope of the embodiments 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 embodiments disclosed in the present application, and these modifications or substitutions should be covered by the scope of the embodiments of the present application. Therefore, the protection scope of the embodiments of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a laminating device for with curved surface apron and the laminating of rete structure, wherein, the rete structure is for the layer structure body including the flexible screen body, but the rete structure includes and laps the heterotypic region that the heterotypic face is corresponding with the curved surface, but the laminating of a side surface of rete structure has the guide rete, and the guide rete is including exploring the regional, its characterized in that of exploring of rete structure edge includes:
the working surface of the pressing table is sunken to form a containing groove for containing the curved surface cover plate, and the containing groove is provided with a special-shaped part corresponding to the special-shaped surface of the curved surface cover plate;
a profiling indenter comprising an arcuate surface for contacting a side of the guide film ply facing away from the film ply structure to pre-press form the film ply structure;
the fixture comprises a clamping assembly and a pressing assembly, the clamping assembly is used for clamping the extending area of the guide film layer, the pressing assembly at least acts on the irregular area in the film layer structure to provide pressure towards the arc-shaped surface for the film layer structure, and the pressing assembly can be connected to the clamping assembly.
2. The laminating device of claim 1 wherein the press assembly includes at least one press member including a first contact surface for contacting the profiled regions, the first contact surface being planar or the first contact surface being curved for conforming the corresponding profiled regions to the profiling ram.
3. The laminating device of claim 1 or 2 wherein the press fit assembly comprises at least one curvature adapter, the curvature adapter comprising a rotating plate and a mounting member, the mounting member fixedly mounted to the clamping assembly, the rotating plate rotatably mounted to the mounting member, the rotating plate comprising a second contact surface for contacting the profiled region, the second contact surface being a curved surface for contacting the profiled region with the profiling ram, or wherein the curvature adapter comprises a roller for contacting the corresponding profiled region with the profiling ram, the roller being mounted to the clamping assembly via a connector.
4. The laminating device of claim 1 or 2 wherein the film-layer structure includes two opposing profiled regions, and the lamination assembly includes a plurality of compression elements, part of the compression elements acting on one side of the film-layer structure forming a first compression element, and another part of the compression elements acting on the other side of the film-layer structure forming a second compression element.
5. The laminating device of claim 1, wherein the laminating device comprises a plurality of sizes of lamination assemblies, each size of lamination assembly being positionally adjustable mounted to the clamping assembly to provide pressure to the film layer structure toward the arcuate surface.
6. The laminating device of claim 5 wherein the clamp assembly has a plurality of position adjustment apertures formed therein to allow the laminating device to be adjustably mounted to the clamp assembly.
7. The laminating device of claim 6, wherein the position adjustment aperture is a receptacle or a threaded aperture.
8. The laminating device of claim 1, wherein the lamination assembly is in contact with at least one side of the film layer structure facing away from the guide film layer of the profiled region, and a surface of the lamination assembly on the side in contact with the film layer structure is provided with a protective layer for preventing scratching of the film layer structure.
9. A laminating method using the laminating apparatus according to any one of claims 1 to 8, comprising:
clamping and fixing the extending area of the guide film layer on a clamping assembly so as to enable the film layer structure to be installed on a clamp and enable the guide film layer to be in a tensioning state;
contacting and mutually extruding the arc-shaped surface of the profiling pressing head and one side of the guide film layer, which is far away from the film layer structure, and contacting a pressing component connected with the clamping component with a special-shaped area of the film layer structure, which is far away from the side of the guide film layer, so as to provide pressure towards the arc-shaped surface for the flexible screen body, so that the film layer structure is pre-pressed and molded;
and removing the clamp, and attaching the curved surface cover plate in the pressing table to the film layer structure formed by pre-pressing.
10. The bonding method according to claim 9, wherein in the step of removing the fixture and bonding the curved cover plate in the pressing station to the pre-press-formed film structure, the fixture is moved in a horizontal direction, or the fixture is moved in a vertical direction, or the fixture is moved in a parabolic movement path.
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| CN202011033668.8A CN112123911A (en) | 2020-09-27 | 2020-09-27 | Bonding apparatus and bonding method |
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| CN202011033668.8A CN112123911A (en) | 2020-09-27 | 2020-09-27 | Bonding apparatus and bonding method |
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