CN114005370A - Bonding apparatus and bonding method - Google Patents
Bonding apparatus and bonding method Download PDFInfo
- Publication number
- CN114005370A CN114005370A CN202111390003.7A CN202111390003A CN114005370A CN 114005370 A CN114005370 A CN 114005370A CN 202111390003 A CN202111390003 A CN 202111390003A CN 114005370 A CN114005370 A CN 114005370A
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- display panel
- cover plate
- module
- profiling
- laminating device
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000007787 solid Substances 0.000 claims abstract description 69
- 239000011796 hollow space material Substances 0.000 claims abstract description 47
- 238000010030 laminating Methods 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims description 17
- 239000003999 initiator Substances 0.000 claims description 13
- 238000005286 illumination Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 230000000977 initiatory effect Effects 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 description 20
- 239000003292 glue Substances 0.000 description 15
- 239000003153 chemical reaction reagent Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 230000037303 wrinkles Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- 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
Abstract
The application discloses a laminating device and a laminating method, wherein the laminating device comprises a profiling body and a force application assembly, the profiling body comprises a solid part and a hollow space formed by the solid part in a surrounding mode, and at least part of the outer surface of the solid part is a profiling surface used for supporting a display panel and profiling a cover plate of the display panel; the force application component is movably arranged in the hollow space; the solid part comprises a plurality of modules which are arranged along the enclosing direction of the solid part, the positions of the modules are adjustable, so that a preset vacancy is formed after the modules are moved, and the force application assembly can apply acting force to the part, corresponding to the preset vacancy, of the display panel. The laminating device can realize effective laminating of the flexible display panel and the curved cover plate in the double-ring screen.
Description
Technical Field
The application belongs to the technical field of display, and particularly relates to a laminating device and a laminating method.
Background
Along with the development of display technology, the screen to display device accounts for more and more highly, and flexible display panel has advantages such as flexible, flexible good, the volume is frivolous, the low power dissipation, can laminate with the apron that has the curved surface to satisfy people extremely and pursue the demand that narrow frame or no frame show, the design of two encircleing screens can promote display device's screen accounts for than, promotes user experience. However, in the related art, only the curved cover plate with a smaller curvature can be attached to the flexible display panel, and when the curved cover plate is a double-winding curved cover plate, that is, the curved cover plate includes a first flat portion, two curved portions respectively located at two sides of the first flat portion, and a second flat portion and a third flat portion respectively located at one ends of the two curved portions far away from the first flat portion, effective attachment cannot be achieved by using the existing attachment device.
Disclosure of Invention
The embodiment of the application provides a laminating device and a laminating method, which can realize effective lamination of a flexible display panel and a curved cover plate in a double-surround screen.
An embodiment of the first aspect of the embodiment of the present application provides a laminating device for laminating display panel and apron, the laminating device includes:
the profiling body comprises a solid part and a hollow space formed by enclosing the solid part, wherein at least part of the outer surface of the solid part is a profiling surface for supporting the display panel and profiling the display panel;
the force application component is movably arranged in the hollow space;
the solid part comprises a plurality of modules which are arranged along the enclosing direction of the solid part, the positions of the modules are adjustable, so that a preset vacancy is formed after the modules are moved, and the force application assembly can apply acting force to the part, corresponding to the preset vacancy, of the display panel.
According to any one of the embodiments of the first aspect of the present invention, the force application assembly includes a roller and a driving mechanism for driving the roller to move, and the driving mechanism is connected with the roller;
the diameter of the roller is smaller than the size of the module along the enclosing direction;
preferably, the diameter of the roller is 2 (r-H-e) -2 (r-H-e), wherein the value of e is 0-0.5 mm, r is the radius of the curved surface part included in the cover plate, H is the thickness of the display panel, and H is the thickness of the module.
According to any one of the preceding embodiments of the first aspect of the present invention, the thickness H of each of said modules is between 0.5mm and 1 mm;
the size W of each module along the enclosing direction is 4(R-H-H-e) -8 (R-H-H-e), wherein the value of e is 0-0.5 mm, R is the radius of a curved surface part included in the cover plate, H is the thickness of the display panel, and H is the thickness of the module.
According to any one of the preceding embodiments of the first aspect of the present invention, the attaching device further comprises a control mechanism, the control mechanism comprising: the clamping assembly comprises clamping pieces which correspond to the modules one by one and are used for clamping the modules;
and the driving assembly comprises driving pieces which are connected with the clamping parts in a one-to-one correspondence manner and are used for controlling the clamping pieces to move.
According to an embodiment of the first aspect of the invention, the solid portion comprises a light transmissive region, the contoured surface being located in the light transmissive region;
the laminating device further comprises an illumination assembly, and the position of the illumination assembly is adjustably arranged in the hollow space.
According to any one of the preceding embodiments of the first aspect of the invention, the material of the module is a transparent material;
preferably, the module is made of acrylic materials.
According to any one of the preceding embodiments of the first aspect of the invention, the solid portion is in the shape of a closed ring;
or the solid part also encloses to form an opening communicated with the hollow space.
An embodiment of the second aspect of the present application further provides a method for attaching a cover plate and a display panel using any one of the attaching apparatuses provided by the first aspect of the present application, including:
fitting a display panel to the contoured surface to form a contoured initiator;
moving the copying initiating piece to one side of the cover plate, which is far away from the display surface, and aligning the copying initiating piece with the cover plate;
peeling and removing the module positioned in a preset area from the display panel to form the preset vacancy;
and moving the force application assembly into the preset vacancy, and applying an acting force to the display panel through the force application assembly, so that an area, opposite to the preset vacancy, in the display panel is attached to the cover plate.
According to an embodiment of the second aspect of the invention, the step of moving the copying initiator to the side of the cover plate facing away from the display surface and aligning the copying initiator with the cover plate comprises:
the minimum distance range between the profiling surface and the surface of the cover plate facing the solid portion side is: (h +0.2) mm to (h +0.5) mm, wherein h is the thickness of the display panel and has a unit of millimeter.
According to an embodiment of the second aspect of the invention, in the step of moving the copying initiator to the side of the cover plate facing away from the display surface and aligning the copying initiator with the cover plate:
the cover plate comprises a first plane part, curved surface parts arranged on two sides of the first plane part, and a second plane part and a third plane part which are respectively connected to one ends of the two curved surface parts, which are far away from the first plane part, wherein the first plane part comprises a first middle shaft area, and the area of the part of the cover plate, which is positioned on one side of the first middle shaft area, is the same as the area of the part of the cover plate, which is positioned on the other side of the first middle shaft area, along the enclosing direction of the cover plate;
the display panel in the profiling initial part comprises a first side edge, a second middle shaft region and a second side edge which are arranged along the enclosing direction of the cover plate, and the area between the first side edge and the second middle shaft region is the same as the area between the second side edge and the second middle shaft region;
and aligning the second middle axis region of the display panel with the first middle axis region of the cover plate.
The laminating device that this application embodiment provided includes profile modeling body and application of force subassembly, and the profile modeling body is used for carrying out the profile modeling with display panel corresponds the crooked shape of apron to follow-up laminating with the apron of display panel. The profiling body comprises a solid part and a hollow space, the hollow space is formed by enclosing the solid part, the enclosing direction of the solid part is the circumferential direction of the solid part, and at least part of the outer surface of the solid part is a profiling surface which is used for being attached to one side, away from the light emitting surface, of the display panel. The profiling surface is an arc surface corresponding to the curved shape of the cover plate, the solid part is composed of a plurality of modules arranged along the enclosing direction of the solid part, the positions of the modules are adjustable, so that the modules can be separated from the display panel positioned on the profiling surface, and a preset vacancy is formed in the solid part after the modules are separated from the display panel. The force application assembly is movably arranged in the hollow space and can apply acting force deviating from the hollow space to the part, corresponding to the preset vacancy, of the display panel, the module can be directly contacted with the display panel towards one side of the hollow space after being removed from the display panel and moves to one side, close to the cover plate, of the area, opposite to the removed module, of the display panel under the action of the acting force applied by the force application assembly, and the area is attached to the cover plate. In the laminating device that this application provided, the application of force subassembly is located the cavity space of entity portion to can make laminating device and laminate in the flexible display panel synchronous motion of laminating device to curved surface apron deviate from one side of display surface and when removing not take place to interfere with the curved surface apron, can realize the effective laminating of the curved surface apron of flexible display panel and dual-winding type.
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. 1 is a schematic structural diagram of a double-winding curved cover plate according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a laminating apparatus according to an embodiment of the present disclosure;
FIG. 3 is a reference view illustrating a usage state of a bonding apparatus according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of another attaching device provided in the embodiments of the present application;
FIG. 5 is a schematic illustration of a configuration of a conformable initiator according to embodiments of the present application;
FIG. 6 is a schematic view of a process for moving a copying initiator into a side of a cover plate facing away from a display surface according to an embodiment of the present disclosure;
fig. 7 is a schematic view illustrating a bonding process between a display panel and a cover plate according to an embodiment of the present disclosure;
fig. 8 is a schematic view illustrating a bonding process between a display panel and a cover plate according to an embodiment of the present disclosure;
fig. 9 is a schematic flow chart of a bonding method according to an embodiment of the present application.
In the drawings:
1-a laminating device; 10-a contoured body; 101-a solid portion; 1011-a contoured surface; 1012-opening, 103-module; 1031-a first module; 1032-a second module; 102-a hollow space; 11-a force application assembly; 12-a lighting assembly; 2-a flexible display panel; 3-curved surface cover plate.
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 is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
As shown in fig. 1, the cover 3 is a double-winding curved cover in a double-winding screen, and includes a first flat portion a1, two curved portions (a curved portion B1 and a curved portion B2) respectively located at two sides of the first flat portion a1, and a second flat portion a2 and a third flat portion A3 respectively connected to ends of the two curved portions away from the first flat portion a1, wherein the second flat portion a2 and the third flat portion A3 are both parallel to the first flat portion a1, and the second flat portion a2 and the third flat portion A3 are coplanar but discontinuous. The inventor finds that the screen occupation ratio of the display equipment can be improved by the design of the double-surround screen, and the user experience is improved. However, the presence of the second flat portion a2 and the third flat portion A3 causes interference with the second flat portion a2 and the third flat portion A3 when the conventional bonding apparatus is applied for bonding, and thus effective bonding cannot be achieved using the conventional bonding apparatus. Based on the research on the above problems, the inventor provides a bonding device and a bonding method to realize effective bonding of a flexible display panel and a double-surrounding type curved cover plate in a double-surrounding screen.
The embodiment of the application specifically describes, by taking the example that the attaching device is applied to the attachment of the flexible display panel and the curved cover plate in the dual-surround screen, that is, the cover plate 3 is the dual-surround curved cover plate, and the display panel 2 is the flexible display panel. It can be understood that the attaching device in the present application may not only be applied to the attachment of the flexible display panel and the curved cover plate in the dual-surround screen, but also be applied to the attachment of the flexible display panel and the curved cover plate in the single-surround screen, the attachment of the cover plate with the curved edge and the display panel, or the attachment of the display panel and the flat cover plate, etc., and the present application is particularly limited.
For a better understanding of the present application, a pasting device 11 and a pasting method according to an embodiment of the present application will be described in detail below with reference to fig. 2 to 9.
Referring to fig. 2 and fig. 3, an attaching device 1 for attaching a display panel 2 and a cover plate 3 is provided in an embodiment of the present application, where the attaching device 1 includes a profiling body 10 and a force application assembly 11, the profiling body 10 includes a solid portion 101 and a hollow space 102 defined by the solid portion 101, and at least a part of an outer surface of the solid portion 101 is a profiling surface 1011 for supporting the display panel and profiling the display panel 2; the force application component 11 is movably arranged in the hollow space 102; in this embodiment, the solid portion 101 includes a plurality of modules 103 arranged along the enclosing direction R of the solid portion 101, each module 103 is adjustable in position to form a preset empty space after moving the module, and the force application assembly 11 is capable of applying a force F away from the hollow space 102 to a portion of the display panel 2 corresponding to the preset empty space.
The laminating device 1 that this application embodiment provided includes profile modeling body 10 and application of force subassembly 11, and profile modeling body 10 is used for carrying out the profile modeling with display panel 2 corresponding apron 3's shape to follow-up laminating with apron 3 of display panel 2 is convenient for. The profile modeling body 10 includes a solid portion 101 and a hollow space 102, the hollow space 102 is formed by the solid portion 101, the surrounding direction R of the solid portion 101 is the circumferential direction of the solid portion 101, and at least a part of the outer surface of the solid portion 101 is a profile modeling surface 1011 for fitting with the side of the display panel 2 away from the light emitting surface. The profiling surface 1011 is a surface having a shape corresponding to the shape of the cover plate 3, the solid portion 101 is composed of a plurality of modules 103 arranged along the surrounding direction of the solid portion 101, the position of each module 103 is adjustable so that the module 103 can be separated from the display panel 2 positioned on the profiling surface 1011, and a preset vacancy is formed in the solid portion after the module is separated from the display panel. The force application component 11 is movably arranged in the hollow space 102 and can apply an acting force F deviating from the hollow space 102 to a part, corresponding to the preset vacancy, of the display panel 2, after the module 103 is removed, the force application component 11 can be moved to the preset vacancy and then directly contacts with the display panel 2 towards one side of the hollow space 102, and an area, opposite to the preset vacancy, of the display panel 2 moves towards one side close to the cover plate 3 under the action of the acting force F and is attached to the cover plate 3. In the application of the force applying assembly 11 provided in the attaching device 1, the force applying assembly 11 is located in the hollow space 102 of the entity portion 101, so that the attaching device 1 and the flexible display panel attached to the attaching device 1 can be moved synchronously to one side of the curved cover plate deviating from the display surface and can not interfere with the curved cover plate when moving, and the flexible display panel can be effectively attached to the double-surrounding curved cover plate.
In one possible embodiment, the adhesive between the display panel 2 and the profiling surface 1011 is a uv-debonding adhesive, which can be made tack-free by irradiating uv light. In this embodiment, the solid portion 101 includes a light transmissive region, and the contoured surface 1011 is located in the light transmissive region; as shown in fig. 2 and 3, the attaching device 1 further includes a lighting assembly 12, and the lighting assembly 12 is disposed in the hollow space 102 in a position-adjustable manner and is configured to provide ultraviolet rays to the module 103 so as to detach the module 103 from the display panel 2 located on the profiling surface 1011.
In the above embodiment, a partial region of the solid portion 101 has a light-transmitting structure to form a light-transmitting region, and the profiling surface 1011 is disposed in a region of the solid portion 101 opposite to the light-transmitting region. When the display panel 2 is attached to the cover plate 3, the lighting assembly 12 is moved into the hollow space 102. One of the modules 103 in the solid portion 101 (or the module 103 adjacent to the module 103) is irradiated with ultraviolet light through the illumination assembly 12, so that the ultraviolet debonding adhesive on the side of the module 103 away from the hollow space 102 loses its viscosity, and thus the region of the display panel 2 opposite to the module 103 is separated from the region of the profiling surface 1011 opposite to the module 103, that is, the module 103 is separated from the display panel 2, and thus a preset vacancy is formed. Then, the force application assembly 11 can provide a force F to the area of the display panel 2 opposite to the predetermined area, so that the partial area is attached to the cover plate 3. By adopting the embodiment, the display panel 2 is not damaged, the ultraviolet debonding glue is adopted, so that the bonding effect between the display panel 2 and the profiling surface 1011 is good, the debonding is convenient, and the ultraviolet debonding glue can be positioned on the profiling surface 1011 and can be recycled, thereby saving the process and the cost.
In the above embodiment, the illumination assembly 13 employs an ultraviolet light bar capable of emitting ultraviolet light and emitting parallel light, the shape of the ultraviolet light bar is adapted to the shape of the module, and the light emitting surface is a side surface of the ultraviolet light bar, so as to illuminate the module 103 to be removed, thereby reducing the influence on the adjacent module 103; in the process of de-sticking the ultraviolet ray viscose, the ultraviolet ray lamp strip is placed in the hollow space 102, the light emitting surface of the ultraviolet ray lamp strip is opposite to the module to be removed, so that the part of the ultraviolet ray viscose opposite to the module is not sticky, the module is separated from the display panel, the module is moved to form a preset vacancy, the ultraviolet ray lamp strip can be moved in sequence along the arrangement direction of the module, the position of the preset vacancy is moved in the same direction, and the display panel is gradually attached to the cover plate.
In the above embodiment, the solid portion 101 may be made of a rigid material having light transmittance and capable of supporting the display panel 2 and profiling the display panel 2, specifically, an acrylic material, and the like, and the present invention is not limited thereto.
In another possible embodiment, the glue between the display panel 22 and the profiling surface 1011 is a chemical debonding glue, which may be debonded after contact with a chemical. When the display panel 2 is attached to the cover plate 3, a chemical reagent is injected between a portion of the display panel 2 opposite to one module 103 (or a module 103 adjacent to the module 103 is further included) and the profiling surface 1011, so that the chemical reagent is in debonding contact with the chemical reagent between the portion of the display panel 2 opposite to the module 103 and the profiling surface 1011, the chemical reagent debonding glue opposite to the module 103 loses stickiness, and therefore separation of the portion of the display panel 2 opposite to the module 103 from the module 103 is achieved, and a preset vacancy is formed. The region of the display panel 2 opposite to the predetermined vacant position can then be provided with a force F by the force application assembly 11 so that the partial region can be attached to the cover plate 3.
In a possible embodiment, the glue between the display panel 2 and the cover plate 3 may be an optical glue, such as OCA, and the like, and the application is not limited thereto.
In one possible embodiment, the cover 3 is a double-surrounding curved cover, and the display panel 2 is a flexible display panel; the solid portion 101 also encloses an opening 1012 communicating with the hollow space 102, i.e., the solid portion 101 includes the opening 1012 opposed to the region between the second flat portion a2 and the third flat portion A3 in the lid plate 3. Before the display panel 2 is attached, the attaching device 1 and the display panel 2 attached to the attaching device 1 are moved to the side of the cover plate 3 away from the display surface, and then a certain distance is required to be kept between the display panel 2 and the side of the cover plate 3 away from the display surface, and the display panel 2 is gradually contacted with the cover plate 3 during the attaching process to prevent the occurrence of poor attaching phenomena such as bubbles and wrinkles, therefore, the minimum width L1 of the opening 1012 of the solid part 101 needs to be set smaller than the minimum distance L2 between the opposite sides of the second flat part a2 and the third flat part A3 along the direction R surrounded by the solid part 101, so as to completely bear the display panel 2.
In another possible embodiment, as shown in fig. 4, the solid portion 101 is in a closed ring shape, that is, the solid portion 101 is disposed in a closed manner around the hollow space 102, and when the cover 3 is a double-surrounding type curved cover and the display panel 2 is a flexible display panel, the solid portion includes a region opposite to the cover 3 and a region opposite to the opening between the second flat portion a2 and the third flat portion A3, which is applicable to display panels 2 with different lengths and is more widely applicable.
In a possible embodiment, the force application assembly 11 includes a roller and a driving mechanism for driving the roller to move, the driving mechanism is connected to the roller, the driving mechanism can control the roller to move in the preset vacant position to apply an acting force F to a portion of the display panel 2 corresponding to the preset vacant position, and good fit between the curved surface portion of the cover plate and the display panel can be achieved by using the roller.
In the above-mentioned embodiment, the roller and the driving mechanism are detachably connected, the roller can be moved into or out of the hollow space 102 by detaching the roller from the driving mechanism or synchronously moving the driving mechanism and the roller connected with the driving mechanism, or the roller can be always disposed in the hollow space 102. The diameter of the roller is smaller than the distance between the side walls of the hollow space 102 (i.e. the portions of the solid portions 101 facing the hollow space 102) and smaller than the dimension of the modules 103 along the enclosing direction R. Specifically, the diameter of the roller can be 2mm-4 mm; under the control of the driving device, the roller can rotate around a rotation axis parallel to the first plane portion of the cover plate 3 and perpendicular to the arrangement direction of the two curved surface portions, and the roller can move along the enclosing direction R of the solid portion 101, so that the regions of the display panel 2 opposite to the modules 103, i.e. the positions of the display panel 2, are all acted by the acting force F to be better attached to the cover plate 3.
In one possible embodiment, as shown in FIG. 5, the thickness H of each module is between 0.5mm and 1 mm. The size W of each module along the enclosing direction is 4(R-H-H-e) -8 (R-H-H-e), wherein the value of e is 0-0.5 mm, R is the radius of a curved surface part included in the cover plate, H is the thickness of the display panel, and H is the thickness of the module. By adopting the embodiment, in the laminating process, the area, which is opposite to each module, in the display panel can be gradually laminated with the cover plate, so that the display panel can be prevented from contacting the cover plate in advance, poor laminating, such as bubbles and wrinkles, can be avoided, and the laminating effect can be improved.
In the above embodiment, the diameters may be matched as follows: 2 (r-H-e) to achieve good bonding effect.
In a possible embodiment, the laminating device 1 further comprises a control mechanism (not shown in the figure), wherein the control mechanism comprises a clamping assembly and a driving assembly, and the clamping assembly comprises clamping pieces which correspond to the modules one by one and are used for clamping the modules; the driving assembly comprises driving pieces which correspond to the clamping pieces one by one and are used for controlling the clamping pieces to move.
In the profiling process, the modules are clamped and fixed through the clamping pieces which correspond to the modules one to one, and the driving pieces which correspond to the clamping pieces one to one control the positions of the clamping pieces so that the modules 103 are enclosed to form a shape matched with the shape of the cover plate 3 and ensure that the positions of the modules 103 are relatively fixed, so that the profiling surface 1011 is matched with the shape of the surface of the cover plate 3 facing one side of the hollow space 102, and the display panel 2 attached to the profiling surface 1011 is conveniently profiled corresponding to the shape of the cover plate 3.
In the attaching process, each clamping piece is controlled by the driving piece to move each module 103 one by one so as to provide a space (namely a preset vacancy) for the contact of the force application component 11 and the display panel 2, and each region of the display panel 2 opposite to each module 103 is sequentially attached to the cover plate 3 under the action of the force application component 11.
In one possible embodiment, as shown in fig. 4 and 5, the solid portion 101 includes a plane support portion and a curved support portion, the plurality of modules 103 includes a first module 1031 and a second module 1032, the first module 1031 forms the plane support portion, the control component controls the first module 1031 to move along a first direction x and also controls the first module to move along a second direction, the second module 1032 forms the curved support portion, the control component controls the second module 1032 to move along a fourth direction z and also controls the first module to move along the second direction, the first direction x is an arrangement direction of a first plane portion a1 and a second plane portion a2 in a double-loop curved cover plate, and the second direction is perpendicular to a surrounding direction of the solid portion, the third direction y is an arrangement direction of the curved portion B1 and the curved portion B2 in the double-winding curved cover plate, and the fourth direction z is a combination direction of the first direction x and the third direction y.
In the attaching process, the module 103 needs to be moved first to form a preset vacancy, so as to provide a space for the contact between the force application component 11 and the display panel 2, when the first module 1031 is moved, after the module 103 and the display panel 2 are debonded, the module 103 needs to be moved in the first direction x first, so that the module 103 and the display panel 2 are separated and the friction between the module 103 and the display panel 2 is reduced, and then the module 103 is moved in the second direction, so that the module 103 is moved out of one side of the display panel facing the hollow space 102, so that the force application component 11 located in the hollow space 102 is in contact with one side of the display panel 2 facing the hollow space 102. After the module 103 is debonded from the display panel 2, the module 103 may be moved only in the second direction, so that the module 103 is moved out of the side of the display panel facing the hollow space 102, so that the force application assembly 11 located in the hollow space 102 contacts with the side of the display panel 2 facing the hollow space 102, which is not particularly limited in the present application.
When moving the second module 1032, it is necessary to move the module 103 in the fourth direction z after the module 103 is debonded from the display panel 2, so as to separate the module 103 from the display panel 2, and then move the module 103 in the second direction; or directly in the second direction; thereby moving the module 103 out of the side of the display panel facing the hollow space 102 so that the force application member 11 located in the hollow space 102 is in contact with the side of the display panel 2 facing the hollow space 102.
In the attaching process, after the first module 1031 or the second module 1032 which needs to provide a space for attaching is removed, the other modules 103 need to be moved, so that the other modules 103 approach to the regions corresponding to the removed modules 103, and a moving margin is provided for the approach of the display panel 2 to the cover plate 3 side, so that the display panel 2 can move to the cover plate 3 side and attach to the cover plate 3 side, and meanwhile, the display panel 2 is prevented from being damaged.
The present application also provides a bonding method, using any one of the bonding devices 1 provided in the present application to bond the display panel 2 and the cover plate 3, as shown in fig. 9, including:
s100, attaching the display panel 2 to the profiling surface 1011 to form a profiling initiator, as shown in fig. 5.
S200, moving the copying initiator to a side of the cover plate 3 away from the display surface and aligning the copying initiator with the cover plate 3, as shown in fig. 6.
S300, peeling and removing the module 103 located in the preset region from the display panel 2 to form the preset vacancy, as shown in fig. 7.
S400, moving the force application assembly 11 into the preset vacancy, and applying an acting force F to the display panel 2 through the force application assembly 11, so that the region of the display panel 2 opposite to the preset vacancy is attached to the cover plate, as shown in fig. 8.
In the above attaching method, the display panel 2 is first contoured to attach the display panel 2 to the contoured surface 1011 of the physical portion 101 so that the display panel 2 is contoured to have a shape matching the cover plate 3, and the display panel 2 attached to the contoured surface 1011 constitutes a contoured starter together with the attaching device 1; then, the profiling initial part is moved to one side of the cover plate 3, which is far away from the display surface, namely the display panel 2 and the laminating device 1 are moved to one side of the cover plate 3, which is far away from the display surface, so that the laminating device 1 does not interfere with the cover plate 3 during laminating, and the effective laminating of the display panel 2 and the double-surrounding type cover plate 3 can be realized; and then the module 103 located in the preset region is peeled off and removed from the display panel 2 to form a preset vacancy, so as to provide a space for the contact of the force application component 11 and the display panel 2, and a force F is provided by the force application component 11 to the part of the display panel 2 opposite to the preset vacancy, and the part of the display panel 2 opposite to the preset region is close to and attached to the cover plate 3. The preset regions are distributed in sequence along the surrounding direction R of the solid part 101 in the attaching process, the modules 103 are sequentially peeled and removed along the surrounding direction R of the solid part 101, and acting force F is applied to the region, opposite to the modules 103, in the display panel 2 after each module 103 is removed, so that the display panel 2 and the cover plate 3 can be completely attached.
In step S100, a roller may be used to attach the display panel 2 to the profiling surface 1011 for better attachment.
In a possible embodiment, as shown in fig. 8, the minimum distance between the solid part 101 and the surface of the cover plate 3 facing the solid part 101 is: (h +0.2) mm to (h +0.5) mm, where h is the thickness of the display panel in millimeters.
In the above embodiment, the minimum distance between the solid portion 101 and the surface of the cover plate 3 facing the solid portion 101 is set to be (h +0.2) mm to (h +0.5) mm, so as to ensure that the minimum distance between the display panel 2 attached to the pseudo surface 1011 and the side of the cover plate 3 away from the display surface is 0.2mm to 0.5mm, so that the display panel 2 and the cover plate 3 gradually contact each other and the occurrence of advanced contact is avoided when the attachment is performed, thereby preventing the occurrence of poor attachment such as bubbles and wrinkles, and improving the attachment quality.
In one possible embodiment, step S200 includes:
s201, the cover plate 3 comprises a first plane portion, curved surface portions arranged on two sides of the first plane portion, a second plane portion and a third plane portion, wherein the second plane portion and the third plane portion are respectively connected to one ends, far away from the first plane portion, of the two curved surface portions, the first plane portion comprises a first middle shaft region, and the area of a portion, located on one side of the first middle shaft region, of the cover plate is the same as the area of a portion, located on the other side of the first middle shaft region, of the cover plate along the surrounding direction of the cover plate 3.
S202, the display panel 2 in the profiling initiator includes a first side, a second middle axis region and a second side arranged along the enclosing direction of the cover plate, and the area between the first side and the second middle axis region is the same as the area between the second side and the second middle axis region.
S203, aligning the second central axis region of the display panel 2 with the first central axis region of the cover plate 3.
In one possible embodiment, step S300 includes: the module 103 opposite the second medial axis region is peeled off the display panel 2 and removed.
The step S400 includes: the step S400 of moving the force application assembly 11 to contact the second central axis region in the display panel 2 so that the second central axis region in the display panel 2 is first attached to the cover plate 3 further includes: the modules 103 located on one side of the second central axis region are sequentially removed, and after each module 103 is removed, the force application assembly 11 applies a first pressure F to the display panel 2, so that the display panel 2 and the cover plate 3 are sequentially attached from the second central axis region to the directions of the two sides of the second central axis region.
In the above embodiment, the second middle axis region of the profiling initiator is aligned to the first middle axis region of the cover plate 3, and the bonding starts from this position, specifically, the display panel 2 includes the first side edge and the second side edge arranged along the enclosing direction R of the solid portion 101, during the bonding process, the second middle axis region can be sequentially bonded to the first side edge direction, and then the second middle axis region is returned to and then sequentially bonded to the second side edge direction, so that the display panel 2 and the cover plate 3 are gradually bonded to the first side edge direction of the display panel 2 along the second middle axis region, and then the second middle axis direction is gradually bonded to the second side edge direction of the display panel 2 along the second middle axis region, so that the display panel 2 and the cover plate 3 after the bonding are completely aligned, and this bonding method can effectively prevent bubbles or wrinkles.
In the attaching process, it is necessary to sequentially remove each module 103 to form a plurality of preset regions, and attach a portion of the display panel and a portion of the cover plate corresponding to the module 103 after removing each module 103. Specifically, the module 103 opposite to the second middle axis region is removed, and then the modules 103 on two sides of the second middle axis region need to be moved to a side close to the second middle axis region, so as to provide a moving margin close to one side of the cover plate 3 for a part of the display panel 2 located in the second middle axis region; and then, removing the modules 103 on one side of the second central axis region in sequence, and attaching once after removing each module 103, wherein in the attaching process, if necessary, a moving margin can be provided for the display panel 2 by moving the module 103, so that the display panel 2 approaches to one side of the cover plate 3 and is attached.
The colloid between the display panel 2 and the profiling surface 1011 can be selected according to the structure of the attaching device 1, and when the attaching device 1 comprises a light-transmitting part, the colloid can be ultraviolet ray debonding glue or chemical debonding glue; when the bonding apparatus 1 is of an opaque structure, the adhesive may be an ultraviolet debonding adhesive.
When the glue between the display panel 2 and the profiling surface 1011 is the ultraviolet debonding glue, in the process of peeling the module 103 located in the preset area from the display panel 2, the illumination assembly 12 is moved into the hollow space 102, and the illumination assembly 12 performs ultraviolet irradiation on one of the modules 103 (or further includes the module 103 adjacent to the module 103) in the solid part 101, so that the ultraviolet debonding glue located on the side of the module 103 away from the hollow space 102 loses the stickiness.
When the glue between the display panel 2 and the profiling surface 1011 is a chemical debonding glue, in the process of peeling the module 103 located in the predetermined area from the display panel 2, a chemical reagent is injected between a portion of the display panel 2 opposite to one module 103 (or a module 103 adjacent to the module 103) and the profiling surface 1011, so that the chemical reagent is in debonding contact with the chemical reagent between the portion of the display panel 2 opposite to the module 103 and the profiling surface 1011, and the chemical reagent debonding glue opposite to the module 103 loses viscosity.
In accordance with the embodiments of the present invention as set forth above, these embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and its practical application, to thereby enable others skilled in the art to best utilize the application and its various modifications as are suited to the particular use contemplated. The application is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a laminating device for laminating display panel and apron, its characterized in that, laminating device includes:
the profiling body comprises a solid part and a hollow space formed by enclosing the solid part, wherein at least part of the outer surface of the solid part is a profiling surface for supporting the display panel and profiling the display panel;
the force application component is movably arranged in the hollow space;
the solid part comprises a plurality of modules which are arranged along the enclosing direction of the solid part, the positions of the modules are adjustable, so that a preset vacancy is formed after the modules are moved, and the force application assembly can apply acting force to the part, corresponding to the preset vacancy, of the display panel.
2. The laminating device of claim 1, wherein the force application assembly comprises a roller and a driving mechanism for driving the roller to move, the driving mechanism being connected to the roller;
the diameter of the roller is smaller than the size of the module along the enclosing direction;
preferably, the diameter of the roller is 2 (r-H-e), wherein e is 0-0.5 mm, r is the radius of the curved surface portion included in the cover plate, H is the thickness of the display panel, and H is the thickness of the module.
3. The laminating device according to claim 1 or 2, wherein the thickness H of each module is 0.5mm to 1 mm;
the size W of each module along the enclosing direction is 4(r-H-H-e) -8 (r-H-H-e), wherein the value of e is 0-0.5 mm, r is the radius of a curved surface part included in the cover plate, H is the thickness of the display panel, and H is the thickness of the module.
4. The laminating device of claim 1, further comprising a control mechanism, the control mechanism comprising: the clamping assembly comprises clamping pieces which correspond to the modules one by one and are used for clamping the modules;
and the driving assembly comprises driving pieces which are connected with the clamping parts in a one-to-one correspondence manner and are used for controlling the clamping pieces to move.
5. The laminating device of claim 1,
the solid part comprises a light-transmitting area, and the profiling surface is positioned in the light-transmitting area;
the laminating device further comprises an illumination assembly, and the position of the illumination assembly is adjustably arranged in the hollow space.
6. The laminating device of claim 5, wherein the module is made of a transparent material;
preferably, the module is made of acrylic materials.
7. The laminating device of claim 1,
the solid part is in a closed ring shape;
or the solid part also encloses to form an opening communicated with the hollow space.
8. A bonding method for bonding a display panel and a cover plate using the bonding apparatus according to any one of claims 1 to 7, comprising:
fitting a display panel to the contoured surface to form a contoured initiator;
moving the copying initiating piece to one side of the cover plate, which is far away from the display surface, and aligning the copying initiating piece with the cover plate;
peeling and removing the module positioned in a preset area from the display panel to form the preset vacancy;
and moving the force application assembly into the preset vacancy, and applying an acting force to the display panel through the force application assembly, so that an area, opposite to the preset vacancy, in the display panel is attached to the cover plate.
9. The laminating device of claim 8, wherein in the step of moving the conformable originals to a side of the cover sheet facing away from the display surface and aligning the conformable originals with the cover sheet:
the minimum distance range between the profiling surface and the surface of the cover plate facing the solid portion side is: (h +0.2) mm to (h +0.5) mm, wherein h is the thickness of the display panel and has a unit of millimeter.
10. The method of applying according to claim 9, wherein in the step of moving the conformable originals to a side of the cover sheet facing away from the display surface and aligning the conformable originals with the cover sheet:
the cover plate comprises a first plane part, curved surface parts arranged on two sides of the first plane part, and a second plane part and a third plane part which are respectively connected to one ends of the two curved surface parts, which are far away from the first plane part, wherein the first plane part comprises a first middle shaft area, and the area of the part of the cover plate, which is positioned on one side of the first middle shaft area, is the same as the area of the part of the cover plate, which is positioned on the other side of the first middle shaft area, along the enclosing direction of the cover plate;
the display panel in the profiling initial part comprises a first side edge, a second middle shaft region and a second side edge which are arranged along the enclosing direction of the cover plate, and the area between the first side edge and the second middle shaft region is the same as the area between the second side edge and the second middle shaft region;
and aligning the second middle axis region of the display panel with the first middle axis region of the cover plate.
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| CN202111390003.7A CN114005370B (en) | 2021-11-19 | 2021-11-19 | Bonding device and bonding method |
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