CN113138625A - Laminating device and assembling method of display module - Google Patents

Laminating device and assembling method of display module Download PDF

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Publication number
CN113138625A
CN113138625A CN202010055365.XA CN202010055365A CN113138625A CN 113138625 A CN113138625 A CN 113138625A CN 202010055365 A CN202010055365 A CN 202010055365A CN 113138625 A CN113138625 A CN 113138625A
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China
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fixing frame
attached
area
module
elastic component
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CN202010055365.XA
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张雅佩
史磊
李彬
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to CN202010055365.XA priority Critical patent/CN113138625A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1601Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Liquid Crystal (AREA)

Abstract

The disclosure relates to a method for assembling a bonding device and a display module, wherein the bonding device comprises: the fixing module is provided with a first fixing frame and a second fixing frame, the first fixing frame is used for fixing the attached object, and the second fixing frame is used for fixing the attached object; the pressing module comprises an elastic component facing the second fixing frame, and the elastic component acts on the attached object through the second fixing frame so that the attached object is attached to the attached object; when the attaching object is attached to the attached object, the contact area between the elastic component and the second fixing frame is changed from a first area to a second area, and the second area is larger than the first area. Through this disclosed embodiment, can reduce the bubble defective rate.

Description

Laminating device and assembling method of display module
Technical Field
The disclosure relates to the field of assembly processes, in particular to a laminating device and an assembly method of a display module.
Background
Along with the continuous development of science and technology, terminal equipment is last to have the display module assembly in order to show information. In the full-lamination process of display module production, it is necessary to laminate an attached object to an attached object, for example, to laminate an optical adhesive to a glass cover plate of a display module. In the process of actually attaching the optical cement and the glass cover plate, gas between the two layers of materials, namely the optical cement and the glass cover plate, needs to be exhausted through an attaching process so as to improve the optical performance and appearance quality of the display module.
Disclosure of Invention
The disclosure provides a laminating device and an assembling method of a display module.
In a first aspect of the embodiments of the present disclosure, a fitting device is provided, including:
the fixing module is provided with a first fixing frame and a second fixing frame, the first fixing frame is used for fixing the attached object, and the second fixing frame is used for fixing the attached object;
the pressing module comprises an elastic component facing the second fixing frame, and the elastic component acts on the attached object through the second fixing frame so that the attached object is attached to the attached object;
when the attached object and the attached object are attached, the contact area between the elastic component and the second fixing frame is changed from a first area to a second area, and the second area is larger than the first area.
In some embodiments, the attaching device further comprises:
and the extrusion module is connected with the pressing module, faces the pressing module and is used for acting on the pressing module along the direction vertical to the pressing module so that the contact area of the elastic component and the second fixing frame is changed from the first area to the second area until the attached object corresponding to the elastic component is completely attached to the attached object.
In some embodiments, the stitching module further comprises:
a fixing member for fixing the elastic member;
the elastic component is fixed on the fixed component, and a bulge is formed on the surface facing the attaching object;
when the protrusion acts on the attached object through the second fixing frame, the attached object is attached to the attached object from the acting position of the protrusion to the edge position around the acting position.
In some embodiments, when the action position of the attached object is attached to the attached object, a contact area of the protrusion and the second fixing frame is the first area;
when the edge position of the attached object is attached to the attached object, the contact area of the protrusion and the second fixing frame is the second area.
In some embodiments, the action position is a central region where the center point of the attachment object is located.
In some embodiments, the attaching device further comprises:
and the first moving module is connected with the fixed part and used for moving the fixed part towards a first direction so that the protrusion is aligned with the action position of the attaching object.
In some embodiments, the attaching device further comprises:
the second moving module is connected with the fixed part and used for moving the fixed part towards a second direction so that the protrusion is in contact with the second fixed frame;
wherein the first direction and the second direction are perpendicular to each other.
In some embodiments, the second fixing frame fixes the attached object by a bonding glue, wherein a bonding strength of the bonding glue to the attached object is less than a bonding strength of the attached object to the attached object.
In some embodiments, the attaching device further comprises:
the third moving module is respectively connected with the first fixing frame and the second fixing frame and used for moving the first fixing frame and the second fixing frame;
and the limiting modules are respectively positioned on the first fixing frame and the second fixing frame and used for limiting the movement of the first fixing frame and the second fixing frame, so that the pasted object is parallel to the attached object, and the central point of the pasted object is aligned with the central point of the attached object.
In some embodiments, the resilient member is hemispherical in shape.
In some embodiments, the resilient member is a resilient member formed from a silicone material.
In some embodiments, the second fixation frame is a fixation frame formed from a steel mesh.
In some embodiments, the attaching device is used for attaching the optical cement with optical characteristics to a glass cover plate in the display module.
In a second aspect of the embodiments of the present disclosure, a method for assembling a display module is provided, including:
fixing a glass cover plate of the display module on a first fixing frame;
fixing the optical cement on a second fixing frame;
the optical cement on the second fixing frame is acted by an elastic component on the pressing module, so that the optical cement is attached to the glass cover plate, wherein in the process of attaching the optical cement to the glass cover plate, the contact area of the elastic component and the second fixing frame is changed from a first area to a second area, and the second area is larger than the first area.
In some embodiments, the method further comprises:
and extruding the pressing module along the direction perpendicular to the pressing module through the extruding module so that the pressing module acts on the second fixing frame.
In some embodiments, the applying the optical cement on the second fixing frame by an elastic component on the pressing module so that the optical cement is attached to the glass cover plate includes:
acting on the optical cement on the second fixing frame through a protrusion on the surface of the elastic component facing the optical cement, so that the optical cement is attached to the glass cover plate from an acting position of the protrusion to an edge position around the acting position;
when the acting position is attached to the glass cover plate, the contact area of the protrusion and the second fixing frame is the first area;
when the edge position is attached to the glass cover plate, the contact area of the protrusion and the second fixing frame is the second area.
In some embodiments, the acting of the optical adhesive on the second fixing frame by the protrusion on the surface of the elastic component facing the optical adhesive to make the optical adhesive fit with the glass cover plate from the acting position of the protrusion to the edge position around the acting position includes:
the elastic component faces the bulge on the surface of the optical cement and acts on the central area where the central point of the optical cement is located, so that the optical cement is attached to the glass cover plate from the central area to the edge position around the central area.
In some embodiments, the method further comprises:
moving the pressing module to a first direction through a first moving module so that the protrusion on the elastic component is aligned with the action position;
moving the pressing module to a second direction through a second moving module to enable the bulge on the elastic component to be in contact with the second fixing frame;
wherein the first direction is perpendicular to the second direction.
In some embodiments, the method further comprises:
moving the first fixing frame and the second fixing frame;
the first fixing frame and the second fixing frame are limited to move through a limiting module, so that the optical cement is parallel to the glass cover plate, and the central position of the optical cement is aligned to the central position of the glass cover plate.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
the embodiment of the disclosure provides that the contact area between the elastic component and the second fixing frame is gradually increased, so that the attaching area between the attached object and the attached object on the second fixing frame is gradually increased, and then the attaching of the attached object and the attached object is realized. That is to say, in the first aspect, when the elastic component is subjected to the acting force of the fixed acting area, the acting force can be evenly distributed on the whole elastic component, so that the contact area of the elastic component and the second fixing frame is far larger than the acting area of the force, the pressing area between the attached object and the attached object can be increased, and the condition of air bubble lines caused by the fact that the pressing area of the roller is fixed during roller attachment is effectively reduced; in a second aspect, the elastic component of the embodiment of the disclosure acts on the attached object all the time in the whole attaching process until the attached object is completely attached to the attached object, so that the pressing between the attached object and the attached object is more uniform and stable; in the third aspect, the deformation direction of the elastic member is arbitrary and is not directed to a fixed direction, so that the gas between the attaching object and the attached object can be discharged in different directions, the gas discharge path can be increased, the gas residue can be reduced, and the bubble fraction defective can be reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a first schematic structural diagram of a bonding apparatus according to an embodiment of the present disclosure.
Fig. 2 is a schematic structural diagram of a bonding apparatus shown in the embodiment of the present disclosure.
Fig. 3 is a first structural schematic diagram of a conventional bonding apparatus according to an embodiment of the present disclosure.
Fig. 4 is a schematic structural diagram of a conventional bonding apparatus shown in the embodiment of the present disclosure.
Fig. 5 is a schematic structural diagram of a conventional bonding apparatus shown in the embodiment of the present disclosure.
Fig. 6 is a schematic structural diagram of a bonding apparatus shown in the embodiment of the present disclosure.
Fig. 7 is a schematic structural diagram of a bonding apparatus shown in the embodiment of the present disclosure.
Fig. 8 is a schematic structural diagram of a bonding apparatus shown in the embodiment of the present disclosure.
Fig. 9 is a schematic structural diagram six of a bonding apparatus according to an embodiment of the present disclosure.
Fig. 10 is a schematic structural diagram seven of a bonding apparatus according to an embodiment of the present disclosure.
Fig. 11 is a schematic flow chart illustrating an assembling method of a display module according to an embodiment of the disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Fig. 1 is a laminating apparatus according to an embodiment of the present disclosure, and as shown in fig. 1, the laminating apparatus includes:
the fixing module is provided with a first fixing frame 101 and a second fixing frame 102, wherein the first fixing frame 101 is used for fixing the attached object A, and the second fixing frame 102 is used for fixing the attached object B;
the pressing module 103 comprises an elastic component facing the second fixing frame, and the elastic component acts on the attached object through the second fixing frame so that the attached object is attached to the attached object;
when the attaching object and the attached object are attached, the contact area of the elastic component and the second fixing frame is changed from a first area to a second area, and the second area is larger than the first area.
In the embodiment of the present disclosure, the attaching device may be used to attach an attaching object to an attached object. Illustratively, the attaching object includes, but is not limited to, optical glue or various films having optical properties; the attached object includes but is not limited to a glass cover plate.
The form of the first fixing frame for fixing the attached object can include: fixing the pasted object on a first fixing frame in a buckling mode; or the attached object is fixed on the first fixing frame in an adhesion mode; alternatively, the attached object is fixed on the first fixing frame in a vacuum adsorption manner, and the embodiment of the disclosure is not limited.
Correspondingly, the form of the second fixing frame for fixing the attaching object may also include: fixing the attached object on a second fixing frame in an adhesive mode; alternatively, the attachment object is fixed on the second fixing frame in a vacuum adsorption manner, and the embodiment of the disclosure is not limited.
In addition, compared with the form of adhesion or buckling, the vacuum adsorption form can reduce the damage to the attached object or the attached object. The vacuum adsorption mode is that the air pressure difference is generated on two sides of the pasted object or the attached object through the adsorption of the air exhaust module, and the pasted object or the attached object is fixed based on the air pressure difference.
For example, the first fixing frame and the second fixing frame may be both fixing frames formed by metal or alloy materials.
In some embodiments, the second fixation frame is a fixation frame formed from a steel mesh.
The elastic component in the pressing module acts on the attached object through the second fixing frame, so that the attached object is attached to the attached object. When the second fixing frame is positioned between the first fixing frame and the ground, the pressing module acts on an attached object on the second fixing frame in an upward direction perpendicular to the ground; when the first fixing frame is positioned between the second fixing frame and the ground, the pressing module acts on an attached object on the second fixing frame in a downward direction perpendicular to the ground.
It should be noted that, before the attachment object and the attached object are attached, the attached object on the first fixing frame and the attachment object on the second fixing frame need to be aligned, so that when the attachment object on the second fixing frame is acted by the elastic component, the attachment object and the attached object can be better attached. The aligning may include aligning a center position of the attached object with a center position of the attaching object, or aligning both ends of the attaching object with both ends of an attaching area of the attached object, and may further include adjusting an angle between the attached object and the attaching object such that the attached object is parallel to the attaching object.
The shape of the elastic component may be set according to actual requirements, for example, the shape of the elastic component may be rectangular, spherical or wavy, and the embodiments of the present disclosure are not limited.
The size of the elastic component can be set according to the size of the attached object, so that the elastic component can cover the attached object with the contact area of the second fixing frame after deformation, and how to set the size of the attached object specifically is not limited in the embodiment of the disclosure.
In some embodiments, the resilient member is hemispherical in shape.
The hemispherical surface of the elastic member faces the second fixing frame. And in the process that the elastic part acts on the attached object through the second fixing frame, the hemispherical surface of the elastic part is contacted with the second fixing frame.
In the embodiment of the disclosure, when the attachment object is attached to the attached object, the contact area between the hemispherical surface of the elastic component and the second fixing frame is increased from the first area to the second area.
That is, the elastic component can be deformed, and as the deformation amount of the elastic component increases, the contact area between the elastic component and the second fixing frame also increases.
As shown in fig. 2, during the attaching process, the elastic component deforms, and the contact area between the elastic component on the pressing module 103 and the second fixing frame 102 gradually increases until the attaching object corresponding to the elastic component is completely attached to the attached object.
As shown in fig. 3, the roller attaching manner is: the roller 11 is in direct contact with one side of the attachment object B on the third fixing frame 12, and the roller 11 rolls from one side edge of the attachment object B to the other side, so that the attachment object B is in contact with the attached object a on the fourth fixing frame 10 to attach the attachment object to the attached object.
As shown in fig. 4, in the course of bonding by the roller, the roller moves in a direction from one side of the bonding object to the other side, and correspondingly, the gas discharge direction between the bonding object and the object to be bonded discharges gas in the moving direction.
As can be seen from fig. 3 and 4, in the conventional roller attaching method, the roller is in linear contact with an attaching object, the contact area of the roller with the attaching surface is limited, and the edge position of the attaching surface may not be affected, so that the roller easily forms bubble lines between the starting position and the ending position of the attaching surface. Meanwhile, due to the limitation of the rolling direction of the roller, bubbles are expelled to one side, so that the gas discharge direction between the attached object and the attached object is basically consistent with the displacement direction of the roller, the gas discharge path is insufficient, and gas is easy to remain. The verification proves that about 0.5 percent of full-lamination bubble defects exist in the wheel lamination mode.
As shown in fig. 5, the steel mesh and roller attaching manner is as follows: the attachment object B is firstly adsorbed on the first surface of the steel mesh 13, the roller 11 is located on the second surface of the steel mesh 13 and does not directly contact with the attachment object B, and the roller rolls from one side of the steel mesh 13 to the other side of the steel mesh 13, so that the attachment object B is attached to the attached object a on the fourth fixing frame 10, wherein the second surface is opposite to the first surface.
For the gyro wheel laminating mode, this steel mesh has increased the steel mesh with the laminating mode of gyro wheel, can increase the area of contact with the binding face through the steel mesh, but because gyro wheel and steel mesh area of contact are limited, still have the problem of bubble line. Meanwhile, due to the limitation of the rolling direction of the roller, the problem that bubbles are discharged to one side in a pushing mode still exists, so that gas can be discharged only to one side, the gas discharging path is insufficient, and gas is easy to remain. The verification proves that about 0.3% of wheel lamination mode has poor full lamination bubbles.
Based on this, the embodiment of the present disclosure provides that the contact area between the elastic component and the second fixing frame is gradually increased, so that the attaching area between the attached object and the attached object on the second fixing frame is gradually increased, and then the attachment of the attached object and the attached object is achieved. That is to say, in the first aspect, when the elastic component receives the acting force of the fixed acting area, the acting force can be evenly distributed on the whole elastic component, so that the contact area of the elastic component and the second fixing frame is far larger than the acting area of the acting force, the pressing area between the attached object and the attached object can be increased, and the condition of air bubble lines caused by the fact that the pressing area of the roller is fixed during roller attachment is effectively reduced; in a second aspect, in the whole attaching process, the elastic component acts on the attaching object until the attaching object and the attached object are completely attached, so that the pressing between the attaching object and the attached object is more uniform and stable; in the third aspect, the deformation direction of the elastic member is arbitrary and not toward a fixed direction, so that the gas between the object to be stuck and the object to be stuck can be discharged in different directions, the discharge path of the gas can be increased, the residual of the gas can be reduced, and the bubble fraction defective can be reduced.
In some embodiments, as shown in fig. 6, the attaching device further includes:
and the extrusion module 104 is connected with the pressing module 103, faces the pressing module 103, and is used for acting on the pressing module along a direction perpendicular to the pressing module, so that the contact area between the elastic component and the second fixing frame is changed from the first area to the second area until the attachment object corresponding to the elastic component is completely attached to the attached object.
In the embodiment of the disclosure, the extrusion module acts on the pressing module along the direction perpendicular to the pressing module, so that the elastic component on the pressing module deforms towards the second fixing frame, the acting force of the elastic component acting on the second fixing frame can be more uniform, the fitting is more stable, and the gas residue between the attached object and the attached object can be reduced.
It should be noted that the pressing module may be a robot arm, which acts on the pressing module when the attached object and the attached object need to be attached, and is removed from the pressing module when the attached object is completely attached to the attached object.
In some embodiments, as shown in fig. 7, the pressing module further includes:
a fixing member 103b for fixing the elastic member 103 a;
an elastic member 103a fixed to the fixing member 103b and having a projection formed on a surface facing the attachment target;
when the projection acts on the sticking object through the second fixing frame, the sticking object is stuck to the stuck object from the acting position of the projection to the edge position around the acting position.
In the embodiment of the present disclosure, the action position of the protrusion is a position where the protrusion acts on the attachment object through the second fixing frame, and the action position may be any position in the attachment area of the attachment object, for example, the action position includes a central position of the attachment object or other positions than the central position, and the embodiment of the present disclosure is not limited.
Above-mentioned fixed part is the part that is formed by hard material, can conduct the extrusion force on the fixed part with the extrusion module, through fixed part to elastomeric element for elastomeric element takes place deformation, and then makes the area of contact of elastomeric element and second mount can increase based on the increase of deformation.
The fixing component fixes the elastic component in a manner including, but not limited to, adhesive fixing, vacuum suction fixing, or mechanical fixing, and embodiments of the present disclosure are not limited thereto.
In the embodiment of the disclosure, the surface of the elastic component facing the attached object is provided with the protrusion, and in the process that the protrusion acts on the attached object through the second fixing frame, the contact area between the protrusion and the second fixing frame is gradually enlarged towards the periphery, so that the attached object is attached to the attached object from the action position of the attached object to the edge position around the action position, the contact from point contact to surface contact of the protrusion and the second fixing frame can be realized, on one hand, the pressing force between the attached object and the attached object is more uniform, and the attachment is more stable; on the other hand, the gas between the sticking object and the stuck object can be discharged from the action position of the protrusion to the periphery, so that the gas discharge path is increased, the gas residue is reduced, and the bubble defect rate can be reduced.
In some embodiments, when the action position of the attached object is attached to the attached object, the contact area of the protrusion and the second fixing frame is a first area;
when the edge position of the attached object is attached to the attached object, the contact area of the protrusion and the second fixing frame is a second area.
That is to say, in the process that the protrusion acts on the attachment object through the second fixing frame to enable the attachment object to be attached to the attached object, the contact area of the protrusion and the second fixing frame is gradually increased, and the contact area of the protrusion and the second fixing frame is gradually enlarged towards the periphery along the edge of the acting position until the attachment object is completely attached to the attached object.
Therefore, the contact between the protrusion and the second fixing frame can be changed from point contact to surface contact, so that on one hand, the pressing force between the attached object and the attached object is more uniform, and the attachment is more stable; on the other hand, the gas between the sticking object and the stuck object can be discharged from the action position of the protrusion to the periphery, so that the gas discharge path is increased, the gas residue is reduced, and the bubble defect rate can be reduced.
In some embodiments, the action position is a central region where the center point of the attachment object is located.
In the embodiment of the disclosure, the elastic component can start from the central area of the attachment object, and press the second fixing frame towards the periphery based on the central area, so that the attachment object on the second fixing frame can gradually attach to the attached object from the central area of the attachment object to the edge position of the central area until the attachment object completely attaches to the attached object.
Therefore, compared with a bonding mode from one side to the other side, the bonding mode from the central area to the periphery of the embodiment of the disclosure can effectively reduce the bonding time and improve the bonding efficiency; meanwhile, the gas between the attaching object and the attached object can be discharged towards the periphery of the central area, so that the gas discharge path is increased, more bubbles can be discharged, and the bubble reject ratio is reduced.
In some embodiments, as shown in fig. 8, the attaching device further includes:
and a first moving module 105 connected to the fixing part 103b for moving the fixing part toward the first direction so that the protrusion is aligned with an action position of the attachment object.
In the embodiment of the present disclosure, the aligning the protrusion with the action position of the attachment object includes: the protrusion is moved first to enable the action position of the attached object to be located on the central axis of the protrusion, and then the angle of the protrusion is adjusted to enable the central axis of the protrusion to be perpendicular to the attached object.
Illustratively, the first direction includes a horizontal direction in which a horizontal plane is located.
In the embodiment of the disclosure, the first movable module horizontally moves the fixed part, so that the action position of the protrusion and the attachment object is aligned, the protrusion is uniformly deformed when the extrusion module acts on the protrusion, and the contact area between the protrusion and the second fixing frame is uniformly enlarged from the action position to the periphery.
In some embodiments, as shown in fig. 9, the attaching device further includes:
a second moving module 106 connected to the fixing part 103b for moving the fixing part toward the second direction so that the protrusion is in contact with the second fixing frame;
wherein the first direction and the second direction are perpendicular to each other.
As shown in fig. 10, in the embodiment of the present disclosure, the fixed part 103b is moved by the first moving module 105 such that the protrusion is aligned with the action position of the attachment object, and then the fixed part 103b is moved by the second moving module 106 such that the protrusion is in contact with the second fixing frame. So, can be convenient for follow-up extrusion module acts on the pressfitting module for protruding can take place deformation in the effect position, and make the area of contact between protruding and the second mount increase to the second area from first area in the effect position department.
Illustratively, the second direction may comprise a vertical direction in which the vertical plane lies.
In some embodiments, the second fixing frame fixes the attaching object by the attaching glue, wherein the attaching strength of the attaching glue attaching object is smaller than the attaching strength of the attaching object attaching the attached object.
When the attachment object is an adhesive having an adhesive force, such as an optical adhesive, the adhesive strength of the attachment object is greater than that of the adhesive; when the attaching object is attached to the attached object through the adhesive, the adhesive strength between the attaching object and the attached object is greater than the adhesive strength between the second fixing frame and the attaching object.
In this disclosure's implementation, the laminating intensity of laminating glue is less than the laminating intensity of attached object laminating attached object, consequently, makes attached object laminating after attached object through the pressfitting module, can make can not separate attached object and attached object when removing the second mount from attached object after the pressfitting, the separation of effectual realization second mount and attached object.
Illustratively, the adhesive includes, but is not limited to, various weak adhesives, such as common solid or liquid adhesives.
In some embodiments, the laminating device further comprises:
the third moving module is respectively connected with the first fixing frame and the second fixing frame and used for moving the first fixing frame and the second fixing frame;
and the limiting module is respectively positioned on the first fixing frame and the second fixing frame and used for limiting the movement of the first fixing frame and the second fixing frame, so that the pasted object is parallel to the attached object, and the central point of the pasted object is aligned with the central point of the attached object.
The third moving module includes, but is not limited to, a robot.
The limiting module comprises but is not limited to a limiting module consisting of a limiting hole and a limiting pin.
When the limiting hole is positioned on the first fixing frame, the limiting pin is positioned on the second fixing frame; when the limiting hole is positioned on the second fixing frame, the limiting pin is positioned on the first fixing frame. The second fixing frame is moved through the third moving module, so that the limiting pin can be located in the limiting hole, the attached object is parallel to the attached object, and the central point of the attached object is aligned.
This disclosed embodiment can make the better laminating of attached object and attached object at attached in-process through mutually supporting of third removal module and spacing module.
In the process of attaching the attached object to the attaching object, the limiting module and the third moving module act on the first fixing frame and the second fixing frame to enable the attached object A on the first fixing frame and the attaching object B on the second fixing frame to be aligned; the first moving module and the second moving module act on the fixed part, so that the bulge of the elastic part on the fixed part is aligned with the second fixing frame, and the alignment of the attached object A, the attached object B and the bulge on the elastic part is further realized;
the first moving module and the second moving module can act on the fixed part firstly, so that the protrusion of the elastic part on the fixed part is aligned with the second fixing frame, the aligned second fixing frame and the aligned fixed part are moved, the three protrusions of the attached object A, the attached object B and the elastic part are aligned, and the attached object can be attached to the attached object through acting on the elastic part.
It should be noted that, any manner of aligning the attached object a, the attached object B, and the protrusion on the elastic member may be adopted, and the embodiment of the present disclosure is not limited.
In some embodiments, the attaching device is used for attaching the optical cement with optical characteristics to a glass cover plate in the display module.
In the embodiment of the disclosure, in the generation process of the display module, the bonding of the optical cement and the glass cover plate can be completed based on the bonding device, and the gas between the two layers of materials, namely the optical cement and the glass cover plate, is exhausted in the largest proportion, namely the primary bonding of the optical cement and the glass cover plate is completed through the bonding device; then, the subsequent pressurizing and defoaming process is carried out, so that the gas between the two layers of materials, namely the optical cement and the glass cover plate, is completely discharged in a pressurizing mode, and the bubble reject ratio of the display module can be further reduced.
It should be noted that, in the display module assembly, the optical cement can be used for bonding the glass cover plate and the polarizer, and then the optical cement is bonded on the glass cover plate at the bonding device, and the polarizer can be attached on the surface of the optical cement departing from the glass cover plate, so as to realize the assembly of the polarization sheet.
In some embodiments, the resilient member is a resilient member formed from a silicone material.
In the embodiment of the disclosure, the texture of the silica gel material is soft and fine, and on one hand, the silica gel material can deform correspondingly along with the pressure acting on the elastic component, so that in the process of attaching the attached object and the attached object, the attaching process of the attached object and the attached object can be accurately controlled by controlling the pressure acting on the elastic component; on the other hand, the force of the elastic component of the silica gel material acting on the attached object is more uniform, and the attachment is more stable.
Fig. 11 is a schematic flow chart illustrating an assembling method of a display module according to an embodiment of the disclosure, and as shown in fig. 11, the assembling method of the display module includes:
s11, fixing a glass cover plate of the display module on a first fixing frame;
s12, fixing the optical cement on a second fixing frame;
and S13, acting the optical cement on the second fixing frame through an elastic component on the pressing module, so that the optical cement is bonded on the glass cover plate, wherein in the process of bonding the optical cement and the glass cover plate, the contact area between the elastic component and the second fixing frame is changed from a first area to a second area, and the second area is larger than the first area.
In some embodiments, the applying the optical cement on the second fixing frame by an elastic component on the pressing module so that the optical cement is attached to the glass cover plate includes:
acting on the optical cement on the second fixing frame through a protrusion on the surface of the elastic component facing the optical cement, so that the optical cement is attached to the glass cover plate from an acting position of the protrusion to an edge position around the acting position;
when the acting position is attached to the glass cover plate, the contact area of the protrusion and the second fixing frame is the first area;
when the edge position is attached to the glass cover plate, the contact area of the protrusion and the second fixing frame is the second area.
In some embodiments, the acting of the optical adhesive on the second fixing frame by the protrusion on the surface of the elastic component facing the optical adhesive to make the optical adhesive fit with the glass cover plate from the acting position of the protrusion to the edge position around the acting position includes:
the elastic component faces the bulge on the surface of the optical cement and acts on the central area where the central point of the optical cement is located, so that the optical cement is attached to the glass cover plate from the central area to the edge position around the central area.
In some embodiments, the method further comprises:
moving the pressing module to a first direction through a first moving module so that the protrusion on the elastic component is aligned with the action position;
moving the pressing module to a second direction through a second moving module to enable the bulge on the elastic component to be in contact with the second fixing frame;
wherein the first direction is perpendicular to the second direction.
In some embodiments, the method further comprises:
moving the first fixing frame and the second fixing frame;
the first fixing frame and the second fixing frame are limited to move through a limiting module, so that the optical cement is parallel to the glass cover plate, and the central position of the optical cement is aligned to the central position of the glass cover plate.
In some embodiments, the method further comprises:
and extruding the pressing module along the direction perpendicular to the pressing module through the extruding module so that the pressing module acts on the second fixing frame.
With regard to the method in the above-described embodiment, the detailed description has been given in the above-described embodiment related to the attaching device, and the detailed description will not be given here.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (19)

1. A bonding apparatus, comprising:
the fixing module is provided with a first fixing frame and a second fixing frame, the first fixing frame is used for fixing the attached object, and the second fixing frame is used for fixing the attached object;
the pressing module comprises an elastic component facing the second fixing frame, and the elastic component acts on the attached object through the second fixing frame so that the attached object is attached to the attached object;
when the attached object and the attached object are attached, the contact area between the elastic component and the second fixing frame is changed from a first area to a second area, and the second area is larger than the first area.
2. The apparatus of claim 1, wherein the attaching means further comprises:
and the extrusion module is connected with the pressing module, faces the pressing module and is used for acting on the pressing module along the direction vertical to the pressing module so that the contact area of the elastic component and the second fixing frame is changed from the first area to the second area until the attached object corresponding to the elastic component is completely attached to the attached object.
3. The apparatus of claim 1 or 2, wherein the stitching module further comprises:
a fixing member for fixing the elastic member;
the elastic component is fixed on the fixed component, and a bulge is formed on the surface facing the attaching object;
when the protrusion acts on the attached object through the second fixing frame, the attached object is attached to the attached object from the acting position of the protrusion to the edge position around the acting position.
4. The apparatus according to claim 3, wherein a contact area of the protrusion with the second holder when the action position of the attached object is attached to the attached object is the first area;
when the edge position of the attached object is attached to the attached object, the contact area of the protrusion and the second fixing frame is the second area.
5. The apparatus of claim 3, wherein the action position is a central region in which a center point of the object of attachment is located.
6. The apparatus of claim 3, wherein the attaching means further comprises:
and the first moving module is connected with the fixed part and used for moving the fixed part towards a first direction so that the protrusion is aligned with the action position of the attaching object.
7. The apparatus of claim 6, wherein the attaching means further comprises:
the second moving module is connected with the fixed part and used for moving the fixed part towards a second direction so that the protrusion is in contact with the second fixed frame;
wherein the first direction and the second direction are perpendicular to each other.
8. The device according to claim 1 or 2, wherein the second fixing frame fixes the attaching object by a bonding adhesive, wherein a bonding strength of the bonding adhesive to the attaching object is smaller than a bonding strength of the attaching object to the attached object.
9. The apparatus of claim 1 or 2, wherein the attaching means further comprises:
the third moving module is respectively connected with the first fixing frame and the second fixing frame and used for moving the first fixing frame and the second fixing frame;
and the limiting modules are respectively positioned on the first fixing frame and the second fixing frame and used for limiting the movement of the first fixing frame and the second fixing frame, so that the pasted object is parallel to the attached object, and the central point of the pasted object is aligned with the central point of the attached object.
10. The device of claim 1 or 2, wherein the resilient member is hemispherical in shape.
11. The device of claim 1 or 2, wherein the resilient member is a resilient member formed from a silicone material.
12. The device of claim 1 or 2, wherein the second mount is a mount formed from a steel mesh.
13. The device according to claim 1 or 2, wherein the attaching device is used for attaching the optical glue with optical characteristics to the glass cover plate in the display module.
14. An assembling method of a display module is characterized by comprising the following steps:
fixing a glass cover plate of the display module on a first fixing frame;
fixing the optical cement on a second fixing frame;
the optical cement on the second fixing frame is acted by an elastic component on the pressing module, so that the optical cement is attached to the glass cover plate, wherein in the process of attaching the optical cement to the glass cover plate, the contact area of the elastic component and the second fixing frame is changed from a first area to a second area, and the second area is larger than the first area.
15. The method according to claim 14, wherein the applying the optical cement on the glass cover plate by an elastic component on the pressing module acting on the optical cement on the second fixing frame comprises:
acting on the optical cement on the second fixing frame through a protrusion on the surface of the elastic component facing the optical cement, so that the optical cement is attached to the glass cover plate from an acting position of the protrusion to an edge position around the acting position;
when the acting position is attached to the glass cover plate, the contact area of the protrusion and the second fixing frame is the first area;
when the edge position is attached to the glass cover plate, the contact area of the protrusion and the second fixing frame is the second area.
16. The method according to claim 15, wherein the acting of the optical cement on the second fixing frame by the protrusion on the surface of the elastic component facing the optical cement to make the optical cement fit with the glass cover plate from the action position of the protrusion to the edge position around the action position comprises:
the elastic component faces the bulge on the surface of the optical cement and acts on the central area where the central point of the optical cement is located, so that the optical cement is attached to the glass cover plate from the central area to the edge position around the central area.
17. The method of claim 15, further comprising:
moving the pressing module to a first direction through a first moving module so that the protrusion on the elastic component is aligned with the action position;
moving the pressing module to a second direction through a second moving module to enable the bulge on the elastic component to be in contact with the second fixing frame;
wherein the first direction is perpendicular to the second direction.
18. The method of any one of claims 14 to 17, further comprising:
moving the first fixing frame and the second fixing frame;
the first fixing frame and the second fixing frame are limited to move through a limiting module, so that the optical cement is parallel to the glass cover plate, and the central position of the optical cement is aligned to the central position of the glass cover plate.
19. The method of any one of claims 14 to 17, further comprising:
and extruding the pressing module along the direction perpendicular to the pressing module through the extruding module so that the pressing module acts on the second fixing frame.
CN202010055365.XA 2020-01-17 2020-01-17 Laminating device and assembling method of display module Pending CN113138625A (en)

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