CN112606526A - Bonding apparatus and bonding method - Google Patents
Bonding apparatus and bonding method Download PDFInfo
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- CN112606526A CN112606526A CN202011465287.7A CN202011465287A CN112606526A CN 112606526 A CN112606526 A CN 112606526A CN 202011465287 A CN202011465287 A CN 202011465287A CN 112606526 A CN112606526 A CN 112606526A
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- bearing
- side plate
- laminating device
- limiting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
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- Fluid Mechanics (AREA)
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The embodiment of the invention provides a laminating device and a laminating method, which are used for laminating a curved cover plate and a flexible screen, wherein the laminating device comprises: an abutting member; the guide limiting part comprises a side plate, an accommodating cavity formed by enclosing the side plate, a first opening and a second opening, wherein the first opening and the second opening are communicated with the accommodating cavity and are oppositely arranged in the height direction of the laminating device; the flexible supporting piece comprises a main body part and a bearing part, one end of the main body part extends into the accommodating cavity through the second opening and abuts against the abutting piece in the accommodating cavity, the other end of the main body part is connected with the bearing part, the bearing part is lapped on one side of the side plate deviating from the first opening, and the bearing part is provided with a bearing surface for bearing the flexible screen. According to the embodiment of the invention, bubbles between the curved cover plate and the flexible screen can be effectively improved, and the yield of products is improved.
Description
Technical Field
The invention relates to the technical field of flexible screen laminating equipment, in particular to a laminating device and a laminating method.
Background
With the advent of the ubiquitous screen age, the demand of people for the full-screen is stronger and stronger. In order to improve the screen occupation ratio, a hyperbolic laminating technology and a quadric laminating technology are developed.
In the prior art, the flexible characteristic of the flexible screen is mainly utilized to realize the full-face screen. At present, the flexible screen is mainly attached to the inner side of the curved cover plate through a silica gel pad. During the application process. Because the laminating pressure in curved surface apron plane area will be greater than its regional laminating pressure of buckling, lead to the regional laminating pressure of buckling little, very easily appear the bubble, consequently can lead to laminating between curved surface apron and the flexible screen bad.
Therefore, a new bonding apparatus and a new bonding method are needed.
Disclosure of Invention
The embodiment of the invention provides a laminating device and a laminating method, aiming at solving the problem of bubble generation in the laminating process of a flexible screen and a cover plate.
An embodiment of the first aspect of the present invention provides a bonding apparatus for bonding a curved cover plate and a flexible screen, the bonding apparatus including: an abutting member; the guide limiting part comprises a side plate, an accommodating cavity formed by enclosing the side plate, a first opening and a second opening, wherein the first opening and the second opening are communicated with the accommodating cavity and are oppositely arranged in the height direction of the laminating device; the flexible supporting piece comprises a main body part and a bearing part, one end of the main body part extends into the accommodating cavity through the second opening and abuts against the abutting piece in the accommodating cavity, the other end of the main body part is connected with the bearing part, the bearing part is lapped on one side of the side plate deviating from the first opening, and the bearing part is provided with a bearing surface for bearing the flexible screen.
According to an embodiment of an aspect of the present invention, further comprising: the reset component is connected to one side of the guide limiting part, which deviates from the bearing part, and the reset component can be arranged in a reciprocating deformation mode in the height direction.
According to one aspect of the present invention in any of the preceding embodiments, the restoring member comprises:
the guide rod extends and forms along the height direction;
and an elastic member disposed along the guide rod so as to be reciprocally deformable in the height direction.
According to one aspect of the present invention, in any one of the embodiments described above, a base is disposed on a side of the abutting member facing away from the flexible supporting member, the restoring member is connected between the base and the guide limiting member, and the guide rod is fixedly connected to the side plate, or the guide rod is fixedly connected to the base.
According to one aspect of the present invention, in any one of the embodiments described above, the side plate is connected with a stop plate, the stop plate is formed by extending the side plate in a direction away from the accommodating cavity, and the reset component is disposed on a side of the stop plate away from the bearing portion.
According to one aspect of the invention in any of the embodiments described above, the stop plate is connected to an end of the side plate facing away from the load-bearing portion.
According to one aspect of the present invention, in any one of the embodiments, the surface of the abutting member facing the flexible supporting member is recessed to form a limiting groove, and at least a part of the main body portion is limited in the limiting groove.
According to one aspect of the present invention, in any one of the embodiments described above, the main body includes a limiting section and a connecting section, the cross-sectional dimension of the limiting section is smaller than the cross-sectional dimension of the connecting section, the limiting section is accommodated in the limiting groove, and the connecting section is connected between the limiting section and the bearing portion.
According to one aspect of the present invention, in any one of the embodiments described above, the abutment further includes a wall portion enclosing the limiting groove, and the connecting section is overlapped on a side of the wall portion facing the bearing portion.
According to one aspect of the present invention, in any one of the embodiments, the side plate is provided with a relief notch, the relief notch is formed by recessing the side plate towards the end surface of the bearing portion, and the relief notch penetrates through the side plate in the thickness direction.
According to one aspect of the present invention, the side plates include two first side plates disposed opposite to each other along a length direction of the attaching device, and two second side plates disposed opposite to each other along a width direction of the attaching device, an extension dimension of the first side plates in the width direction is smaller than an extension dimension of the second side plates in the length direction, and the relief notch is disposed on at least one of the two first side plates.
According to one aspect of the present invention, in any one of the embodiments described above, the relief notch is provided near the middle of the first side plate in the width direction.
According to an aspect of the present invention, in any of the embodiments described above, the relief notch is circular.
According to one aspect of the present invention, in any one of the embodiments described above, the guide limiting member includes a vertical section and a gradually-changing section which are successively connected in the height direction, the vertical section is located on a side of the gradually-changing section facing away from the bearing portion, and the size of the cross section of the gradually-changing section gradually decreases in the direction from the bearing portion to the abutting member.
According to one aspect of the invention in any of the preceding embodiments, the cross-sectional dimension of the transition section is greater than or equal to the cross-sectional dimension of the vertical section.
The embodiment of the second aspect of the present invention further provides a bonding method, where the bonding device is used to bond a curved cover plate and a flexible screen, and the method includes: arranging the flexible screen on a bearing surface of a flexible supporting piece of the laminating device;
the driving abutting part and the curved cover plate are close to each other;
after the flexible screen and the curved cover plate are contacted with each other, the abutting piece and the curved cover plate are continuously driven to be close to each other, so that the abutting piece can extrude the bearing part through the main body part in the accommodating cavity.
In the laminating device of the embodiment of the invention, the laminating device comprises an abutting part, a guide limiting part and a flexible supporting part. The direction locating part includes the curb plate, holds the chamber, first opening and second opening, and the butt piece stretches into by first opening and holds the intracavity. The flexible supporting piece comprises a main body part and a bearing part, the main body part extends into the accommodating cavity from the second opening, the main body part and the abutting part abut against each other in the accommodating cavity, and the bearing part is lapped on the side plate.
In the process of laminating the curved cover plate and the flexible screen by using the laminating device provided by the embodiment of the invention, the flexible screen can be arranged on the bearing surface of the bearing part, and the curved cover plate is laminated on the flexible screen. In the laminating process of the curved-surface cover plate, the flexible supporting piece can be extruded by the abutting piece and the curved-surface cover plate, the main body part deforms in the height direction under the limiting effect of the guide limiting piece, and the bearing part deforms in the height direction and other directions under the bidirectional extrusion of the side plate and the curved-surface cover plate. The deformation of main part can make the middle part of flexible screen and curved surface apron laminating inseparabler, and the deformation of main part and the deformation of bearing part itself can extrude at least part of bearing part to the flexion of curved surface apron, can guarantee that curved surface apron's flexion and flexible screen laminating are inseparabler. Therefore, the attaching device provided by the embodiment of the invention can effectively improve attaching bubbles of the flexible screen and the curved cover plate and improve the attaching yield of the flexible screen and the curved cover plate.
Drawings
Other features, objects and advantages of the invention will become apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings in which like or similar reference characters refer to the same or similar parts.
FIG. 1 is a schematic structural view of a laminating device in the prior art;
FIG. 2 is an exploded view of a bonding apparatus according to an embodiment of the present invention;
FIG. 3 is a front view of a bonding apparatus according to an embodiment of the first aspect of the present invention;
FIG. 4 is a schematic partial structural view of a bonding apparatus according to an embodiment of the first aspect of the present invention;
FIG. 5 is a schematic structural diagram of a position limiting guide of an attaching device according to an embodiment of the first aspect of the present invention;
FIG. 6 is a schematic structural view of a position limiting guide of an attaching device according to another embodiment of the first aspect of the present invention;
FIG. 7 is a front view of a laminating device according to another embodiment of the first aspect of the present invention;
fig. 8 is a flowchart of a fitting method according to an embodiment of the second aspect of the present invention.
Description of reference numerals:
10. a curved cover plate; 11. a planar portion; 12. a bending section; 20. a flexible screen; 30. a substrate;
1. a bonding device;
100. an abutting member; 110. a limiting groove; 120. a wall portion;
200. a guide limit piece; 200a, a vertical section; 200b, a transition section; 210. a side plate; 210a, a first side plate; 210b, a second side plate; 211. a abdication gap; 220. an accommodating chamber; 230. a first opening; 240. a second opening; 240. a stopper plate;
300. a flexible support; 310. a main body portion; 310a and a limiting section; 310b, a connecting section; 320. a bearing part; 321. a bearing surface;
400. a reset component; 410. a guide bar; 420. an elastic member;
500. a base;
600. a pressing table; 610. a containing groove;
700. and guiding the film.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated for convenience in describing the invention and to simplify description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The directional terms appearing in the following description are intended to be illustrative in all directions, and are not intended to limit the specific construction of embodiments of the present invention. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
With the advent of the ubiquitous screen age, the demand of people for the full-screen is stronger and stronger. In order to improve the screen occupation ratio, a hyperbolic laminating technology and a quadric laminating technology are developed. But the problem of low yield exists in the current curved surface laminating.
As shown in fig. 1, in the prior art, a flexible silicone substrate 30 is generally used to implement the mutual attachment of the curved cover plate 10 and the flexible screen 20. The curved cover plate 10 includes a curved portion 12 and a flat portion 11, and the general curved cover plate 10 includes two curved portions 12 provided to be opposed to each other in a width direction thereof, and the flat portion 11 is connected between the two curved portions 12. The curved portion 12 has a relatively large curvature and the planar portion 11 is generally planar.
The flexible silicone substrate 30 in the prior art includes a bearing surface, and the bearing surface is adapted to the shape of the curved cover plate 10. In the process of attaching the curved cover plate 10 and the flexible screen 20, the flexible screen 20 is firstly placed on the bearing surface, and then the curved cover plate 10 is pressed on the flexible screen 20.
However, in the prior art, since the bonding pressure of the planar portion 11 of the curved cover plate 10 is greater than the bonding pressure of the curved portion 12, the curved portion 12 is prone to generate bonding bubbles and a risk of bonding bounce occurs, which results in poor bonding between the curved cover plate 10 and the flexible screen 20. And when the minimum distance between the two bent portions 12 is smaller than the width of the curved cover plate 10, that is, the opening of the curved cover plate 10 is small, the curved cover plate 10 and the flexible screen 20 cannot be attached to each other.
The present invention is proposed to solve the above-mentioned technical problems. For better understanding of the present invention, the following describes the pasting device 1 and the pasting method according to the embodiment of the present invention in detail with reference to fig. 2 to 8.
Referring to fig. 2 and fig. 3 together, fig. 2 is an exploded schematic view of a bonding apparatus 1 according to an embodiment of the present invention, and fig. 3 is a front view of the bonding apparatus 1 according to the embodiment of the present invention.
The attaching device 1 of the embodiment of the invention is used for attaching the curved cover plate 10 and the flexible screen 20, and the attaching device 1 comprises: an abutment 100; the guide limiting part 200 comprises a side plate 210, an accommodating cavity 220 formed by enclosing the side plate 210, and a first opening 230 and a second opening 240 which are communicated with the accommodating cavity 220 and oppositely arranged in the height direction (the Z direction in fig. 2) of the attaching device 1, wherein the guide limiting part 200 is sleeved on the abutting part 100 through the first opening 230; the flexible supporting member 300 includes a main body portion 310 and a carrying portion 320, one end of the main body portion 310 extends into the accommodating cavity 220 from the second opening 240 and abuts against the abutting member 100 in the accommodating cavity 220, the other end of the main body portion 310 is connected to the carrying portion 320, the carrying portion 320 is overlapped on one side of the side plate 210 away from the first opening 230, and the carrying portion 320 has a carrying surface 321 for carrying the flexible screen 20.
In the attaching device 1 of the embodiment of the present invention, the attaching device 1 includes an abutting member 100, a guide limit member 200, and a flexible support member 300. The guide limiting member 200 includes a side plate 210, a receiving cavity 220, a first opening 230 and a second opening 240, and the abutting member 100 extends into the receiving cavity 220 from the first opening 230. The flexible supporting member 300 includes a main body portion 310 and a bearing portion 320, the main body portion 310 extends into the accommodating cavity 220 through the second opening 240, the main body portion 310 and the abutting member 100 abut against each other in the accommodating cavity 220, and the bearing portion 320 is overlapped on the side plate 210.
In the process of attaching the curved cover plate 10 and the flexible screen 20 by using the attaching device 1 of the embodiment of the invention, the flexible screen 20 may be disposed on the bearing surface 321 of the bearing part 320, and the curved cover plate 10 is pressed on the flexible screen 20. During the pressing process of the curved cover plate 10, the flexible supporting member 300 is pressed by the abutting member 100 and the curved cover plate 10, the main body 310 is deformed in the height direction by the limiting action of the guiding position-limiting member 200, and the bearing portion 320 is deformed in the height direction and other directions by the bidirectional pressing of the side plate 210 and the curved cover plate 10. The deformation of the main body 310 can make the middle portion of the flexible screen 20 fit with the curved cover plate 10 more tightly, so that the main body 310 of the flexible screen 20 fits with the planar portion 11 of the curved cover plate 10 more tightly. The deformation of the main body part 310 and the deformation of the bearing part 320 can press at least part of the bearing part 320 to the bending part 12 of the curved cover plate 10, and the bending part 12 of the curved cover plate 10 can be ensured to be attached to the flexible screen 20 more tightly. Therefore, the attaching device 1 provided by the embodiment of the invention can effectively improve attaching bubbles of the flexible screen 20 and the curved cover plate 10, and improve the attaching yield of the flexible screen 20 and the curved cover plate 10.
In the flexible support 300, optionally, the main body portion 310 and the carrying portion 320 are integrally formed. The material of the flexible support 300 can be disposed in various ways, for example, the material of the flexible support 300 includes a flexible material such as silicon gel.
In some optional embodiments, the laminating apparatus 1 further includes a pressing stage 600, the pressing stage 600 includes a receiving groove 610 for receiving the curved cover plate 10, the pressing stage 600, the guide position-limiting member 200 and the flexible supporting member 300 are spaced apart in the height direction, and the pressing stage 600 is movably disposed in the height direction.
In these alternative embodiments, during the process of attaching the curved cover plate 10 to the flexible screen 20, the curved cover plate 10 may be disposed in the pressing stage 600, and the pressing stage 600 is driven to move in a direction close to the flexible support 300, so that the curved cover plate 10 provides a pressing force to the flexible support 300, and the curved cover plate 10 is pressed onto the flexible screen 20.
Optionally, the attaching device 1 further includes a guide film 700 for supporting the flexible screen 20. In the use of the attaching device 1, the flexible screen 20 may be first disposed on the guide film 700, and then the guide film 700 may be disposed on the flexible supporting member 300. The guide film 700 is used to bring the flexible screen 20 onto the flexible support 300. The dimensions of the guide film 700 are generally larger than the dimensions of the flexible screen 20 and the support surface.
Referring to fig. 4, fig. 4 is a schematic partial structural view of a laminating apparatus 1 according to an embodiment of the first aspect of the present invention. In order to better show the connection relationship between the abutment member 100 and the flexible support member 300, the guide stopper 200 is omitted in fig. 4.
In some alternative embodiments, the surface of the abutting member 100 facing the flexible supporting member 300 is recessed to form a limiting groove 110, and at least a portion of the main body portion 310 is limited in the limiting groove 110.
In these alternative embodiments, the stability of the relative position between the abutment member 100 and the flexible support member 300 can be ensured by providing the limiting groove 110. On the other hand, the stopper groove 110 provides a stopper for the flexible support 300, and the set position of the flexible support 300 can be determined by the set position of the stopper groove 110. In the using process of the attaching device 1, the limiting groove 110 and the pressing table 600 can be aligned with each other, so that the flexible supporting member 300 and the pressing table 600 are aligned with each other.
The main body 310 may be disposed in various manners, for example, the main body 310 includes a position-limiting section 310a and a connecting section 310b, the cross-sectional dimension of the position-limiting section 310a is smaller than the cross-sectional dimension of the connecting section 310b, the position-limiting section 310a is accommodated in the position-limiting groove 110, and the connecting section 310b is connected between the position-limiting section 310a and the bearing portion 320.
In these alternative embodiments, on one hand, the main body portion 310 can be limited in the limiting groove 110 by the limiting section 310a, and on the other hand, the cross-sectional size of the connecting section 310b is larger, so that the distance between the connecting section 310b and the inner surface of the side plate 210 facing the accommodating cavity 220 can be reduced, and the shaking of the main body portion 310 in the accommodating cavity 220 can be improved.
Optionally, the abutting member 100 further includes a wall portion 120 enclosing the limiting groove 110, and the connecting portion 310b is overlapped on a side of the wall portion 120 facing the carrying portion 320. The wall portion 120 can provide a limit to the connecting section 310b, better pressing the bearing portion 320 to deform.
The shape of the guide position-limiting member 200 may be set in various ways, for example, the guide position-limiting member 200 has a quadrangular prism shape.
Referring to fig. 5, fig. 5 is a schematic structural diagram illustrating a guiding position-limiting member 200 of a bonding apparatus 1 according to an embodiment of the invention.
According to the guiding and limiting member 200 of the attaching device 1 provided by the embodiment of the present invention, the guiding and limiting member 200 includes a vertical section 200a and a gradual section 200b that are successively connected in the height direction, the vertical section 200a is located on a side of the gradual section 200b that is away from the bearing portion 320, and the cross-sectional dimension of the gradual section 200b gradually decreases in the direction from the bearing portion 320 to the abutting member 100.
In these alternative embodiments, not only can the footprint of the fit device 1 be reduced by the transition 200b, the transition 200b can provide give way for the guide film 700, enabling the guide film 700 to stretch toward the transition 200 b.
Optionally, the cross-sectional dimension of the gradual section 200b is greater than or equal to the cross-sectional dimension of the vertical section 200 a. The vertical section 200a is small in size and can provide a give way for structures such as the guide film 700. Optionally, the cross-sectional dimension of the vertical segment 200a is constant, allowing the vertical segment 200a to provide better support.
The main body 310 may be disposed in various ways, and optionally, the size of the main body 310 is adapted to the size of the guide limiting element 200, and the cross-sectional size of the main body 310 corresponding to the gradual change section 200b is gradually reduced in the direction from the bearing portion 320 to the abutting element 100. The cross-sectional size of the body portion 310 at a portion corresponding to the vertical section 200a is constant.
Referring to fig. 6 and 7, fig. 6 is a schematic structural diagram of a guiding position-limiting member 200 of a bonding apparatus 1 according to another embodiment of the first aspect of the present invention. Fig. 7 is a front view of another embodiment of the first aspect of the present invention, which provides a bonding apparatus 1.
According to the attaching device 1 provided by the embodiment of the present invention, the side plate 210 is provided with the relief notch 211, the relief notch 211 is formed by the side plate 210 being recessed toward the end surface of the bearing portion 320, and the relief notch 211 is disposed in the thickness direction of the side plate 210 in a penetrating manner.
In these alternative embodiments, when the curved cover plate 10 and the guide limiting member 200 press the bearing portion 320 to deform, at least a portion of the bearing portion 320 can be pressed in the relief notch 211, so as to avoid the bearing portion 320 from scratching the connection lines or the lead pins on the flexible screen 20 due to an excessive deformation of the bearing portion 320.
The way of providing the relief notch 211 is various, for example, the guide limiting member 200 is formed by enclosing four side plates 210, and the relief notch 211 may be provided on any one of the side plates 210.
Alternatively, in other alternative embodiments, the side plates 210 include two first side plates 210a disposed oppositely along a length direction (Y direction in fig. 2) of the attaching device 1 and two second side plates 210b disposed oppositely along a width direction (X direction in fig. 2) of the attaching device 1, an extension of the first side plates 210a in the width direction is smaller than an extension of the second side plates 210b in the length direction, and the relief notch 211 is disposed on at least one of the two first side plates 210 a.
When the bearing portion 320 is deformed under the pressing of the curved cover plate 10 and the guide limiting member 200, the deformation amount of the corresponding bearing portion 320 at the first side plate 210a is generally large. And typically, connection wires or lead pins are provided on the flexible screen 20 near the first side plate 210 a. The offset notch 211 is disposed on the first side plate 210a, so as to prevent the carrying portion 320 at the first side plate 210a from being deformed too much to scratch the connecting wires or the lead pins.
The size of the abdicating notch 211 can be set in various ways as long as the abdicating notch 211 is formed on the side plate 210. The arrangement positions of the yielding notches 211 are various, and optionally, the yielding notches 211 are arranged near the middle of the first side plate 210a in the width direction, so that the stress of the bearing part 320 and the stress of the first side plate 210a are more balanced.
In some alternative embodiments, with continuing reference to fig. 1 and fig. 2, the attaching device 1 further includes a restoring member 400 connected to a side of the guide limiting member 200 away from the bearing portion 320, wherein the restoring member 400 is configured to be reciprocally deformable in the height direction.
In these alternative embodiments, a reset unit 400 is disposed on one side of the guide position limiter 200, and when the attaching device 1 is used to attach the curved cover plate 10 and the flexible screen 20, the curved cover plate 10 applies a pressing force to the guide position limiter 200. On the one hand, the reset component 400 can play a role in buffering, and the guide limiting part 200 is prevented from being damaged under the action of the pressing force. On the other hand, the restoring member 400 provides an acting force opposite to the pressing force to the guide limiting member 200, so that the guide limiting member 200 is stressed in a balanced manner, and the structural stability of the laminating apparatus 1 is ensured.
The restoring member 400 is provided in various ways, for example, the restoring member 400 is a spring that is reciprocally deformed in the height direction.
In other embodiments, the restoring member 400 includes a guide rod 410 formed to extend in the height direction; the elastic member 420 is disposed along the guide rod 410 to be reciprocally deformable in the height direction. The guide rod 410 can provide guidance for the elastic deformation of the elastic member 420, so that the elastic member 420 can deform in the height direction, and the structural stability of the attaching device 1 is further improved.
Optionally, the attaching device 1 further includes a base 500, and the base 500 is disposed on a side of the abutting member 100 facing away from the flexible support 300. The base 500 may for example be detachably connected to the abutment 100, or the base 500 may be provided integrally with the abutment 100. The restoring member 400 is connected between the base 500 and the guide stopper 200, and provides support to the restoring member 400 through the base 500.
When the attaching device 1 includes the base 500, the guide rod 410 may be disposed in various manners, for example, the guide rod 410 is fixedly connected to the base 500, the elastic member 420 is sleeved on the guide rod 410, one end of the elastic member 420 abuts against the base 500, the other end of the elastic member 420 abuts against the guide limiting member 200, and the length of the elastic member 420 in the natural state is greater than the length of the guide rod 410. When the guiding position-limiting member 200 is stressed, the elastic member 420 can contract, and the guiding position-limiting member 200 moves toward the base 500 by the contraction of the elastic member 420. When the guide rod 410 abuts against the guide limit-limiting member 200, the guide limit-limiting member 200 stops moving toward the base 500 under the supporting action of the guide rod 410.
Alternatively, in other embodiments, the guide rod 410 is fixedly connected to the guide limiting member 200, the elastic member 420 is sleeved on the guide rod 410, one end of the elastic member 420 abuts against the base 500, the other end of the elastic member 420 abuts against the guide limiting member 200, and the length of the elastic member 420 in the natural state is greater than the length of the guide rod 410. When the guiding position-limiting member 200 is stressed, the elastic member 420 can contract, and the guiding position-limiting member 200 moves toward the base 500 by the contraction of the elastic member 420. When the guide rod 410 abuts against the base 500, the guide stopper 200 stops moving toward the base 500.
The reset unit 400 can be disposed at various positions, for example, the reset unit 400 is disposed on the end surface of the side plate 210 facing the base 500 of the guide limiting member 200.
In other alternative embodiments, in order to provide a space for the reset device 400, a stop plate 240 is connected to the side plate 210, the stop plate 240 is formed by extending the side plate 210 in a direction away from the receiving cavity 220, and the reset device 400 is disposed on a side of the stop plate 240 away from the bearing portion 320.
Optionally, the stop plate 240 is disposed at an end of the side plate 210 away from the bearing portion 320, so that a shearing force received by the side plate 210 can be reduced, and a service life of the guide limiting member 200 is prolonged. Alternatively, the stopper plate 240 and the side plate 210 are integrally formed, which can simplify the structure of the attaching device 1.
Referring to fig. 8, fig. 8 is a schematic flow chart illustrating a bonding method according to a second embodiment of the present invention.
According to the attaching method provided by the embodiment of the second aspect of the present invention, the attaching method is used for attaching the curved cover plate 10 and the flexible screen 20, and the method is completed by using the attaching device 11 of any one of the above embodiments, and the attaching method includes:
step S1: the flexible screen 20 is disposed on the bearing surface 321 of the flexible support 300 of the attaching device 1.
Step S2: the driving abutment 100 and the curved cover plate 10 are brought close to each other.
In step S2, the pressing stage 600 may be driven to move toward the guide stoppers 200 to move the curved cover plate 10 toward the flexible screen 20. Or the abutting member 100 may be driven to move towards the pressing station 600 to move the flexible screen 20 towards the curved cover plate 10. Alternatively, the pressing stage 600 may be driven to move towards the guiding position-limiting member 200, and the abutting member 100 may be driven to move towards the pressing stage 600, so as to improve the bonding efficiency of the curved cover plate 10 and the flexible screen 20.
Step S3: after the flexible screen 20 and the curved cover plate 10 contact each other, the abutting member 100 and the curved cover plate 10 are continuously driven to approach each other.
The step S3 is passed so that the abutment 100 can press the carrier part 320 by the body part 310 within the accommodation cavity 220.
In the attaching method provided in the embodiment of the present invention, the flexible screen 20 is firstly disposed on the supporting surface 321 through step S1. Then, the flexible screen 20 and the curved cover plate 10 are preliminarily attached through step S2. In step S3, after the flexible screen 20 and the curved cover 10 are initially attached, the abutment member 100 and the curved cover 10 are continuously driven to approach each other. The main body portion 310 is deformed in the height direction by the restraining action of the guide stoppers 200, and the bearing portion 320 is deformed in the height direction and other directions by the bi-directional pressing of the side plate 210 and the curved cover plate 10. The deformation of the main body 310 can make the middle part of the flexible screen 20 and the curved cover plate 10 be attached more tightly, and the deformation of the main body 310 and the deformation of the bearing part 320 can extrude at least part of the bearing part 320 to the bending part 12 of the curved cover plate 10, so that the bending part 12 of the curved cover plate 10 and the flexible screen 20 are attached more tightly. Therefore, the attaching device 1 provided by the embodiment of the invention can effectively improve attaching bubbles of the flexible screen 20 and the curved cover plate 10, and improve the attaching yield of the flexible screen 20 and the curved cover plate 10.
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. For example, the algorithms described in the specific embodiments may be modified without departing from the basic spirit of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a laminating device for laminating curved surface apron and flexible screen, its characterized in that, laminating device includes:
an abutting member;
the guide limiting part comprises a side plate, an accommodating cavity formed by enclosing the side plate, and a first opening and a second opening which are communicated with the accommodating cavity and are oppositely arranged in the height direction of the laminating device, and the guide limiting part is sleeved on the abutting part through the first opening;
the flexible supporting piece comprises a main body part and a bearing part, one end of the main body part extends into the containing cavity through the second opening, the containing cavity is abutted against the abutting piece, the other end of the main body part is connected with the bearing part, the bearing part is lapped on one side of the side plate, which deviates from the first opening, and the bearing part is provided with a bearing surface for bearing the flexible screen.
2. The laminating device of claim 1, further comprising: the resetting component is connected to one side, deviating from the bearing part, of the guide limiting part, and the resetting component can be arranged in a reciprocating deformation mode in the height direction.
3. The laminating device of claim 2, wherein the restoring member comprises:
the guide rod extends and forms along the height direction;
and an elastic member disposed along the guide rod so as to be reciprocally deformable in the height direction.
4. The laminating device according to claim 3, wherein a base is disposed on a side of the abutting member facing away from the flexible supporting member, the restoring member is connected between the base and the guide limiting member, and the guide rod is fixedly connected to the side plate, or the guide rod is fixedly connected to the base.
5. The laminating device according to claim 2, wherein a stop plate is connected to the side plate, the stop plate is formed by extending the side plate in a direction away from the accommodating cavity, and the reset member is arranged on a side of the stop plate away from the bearing part;
preferably, the stop plate is connected to an end of the side plate facing away from the bearing portion.
6. The laminating device of claim 1, wherein the surface of the abutting member that faces the flexible support member is recessed to form a limiting groove, and at least a portion of the main body portion is limited in the limiting groove.
7. The laminating device of claim 6, wherein the main body portion comprises a limiting section and a connecting section, the cross-sectional dimension of the limiting section is smaller than the cross-sectional dimension of the connecting section, the limiting section is received in the limiting groove, and the connecting section is connected between the limiting section and the bearing portion;
preferably, the abutting piece further comprises a wall portion enclosing to form the limiting groove, and the connecting section is lapped on one side, facing the bearing portion, of the wall portion.
8. The laminating device according to claim 1, wherein the side plate is provided with a relief notch, the relief notch is formed by recessing the side plate towards the end surface of the bearing part, and the relief notch penetrates in the thickness direction of the side plate;
preferably, the side plates include two first side plates oppositely arranged along a length direction of the attaching device, and two second side plates oppositely arranged along a width direction of the attaching device, an extension size of the first side plates in the width direction is smaller than an extension size of the second side plates in the length direction, and the abdicating notch is arranged on at least one of the two first side plates;
preferably, the abdicating notch is arranged close to the middle part of the first side plate in the width direction;
preferably, the abdicating notch is arc-shaped.
9. The laminating device according to claim 1, wherein the guide limit piece comprises a vertical section and a gradual section which are connected in succession in the height direction, the vertical section is located on a side of the gradual section facing away from the bearing part, and the cross-sectional dimension of the gradual section is gradually reduced in a direction from the bearing part to the abutting part;
preferably, the cross-sectional dimension of the transition section is greater than or equal to the cross-sectional dimension of the vertical section.
10. A method for attaching a flexible screen to a curved cover, the method comprising:
arranging the flexible screen on a bearing surface of a flexible support member of the laminating device, wherein the laminating device is as claimed in any one of claims 1 to 9;
driving the abutting part and the curved cover plate to approach each other;
after the flexible screen is in contact with the curved cover plate, the abutting piece and the curved cover plate are continuously driven to be close to each other, so that the abutting piece can extrude the bearing part through the main body part in the accommodating cavity.
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| WO2023103002A1 (en) * | 2021-12-10 | 2023-06-15 | 苏州华星光电技术有限公司 | Laminating apparatus |
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