CN113829725A - Bonding jig and bonding method - Google Patents
Bonding jig and bonding method Download PDFInfo
- Publication number
- CN113829725A CN113829725A CN202111136886.9A CN202111136886A CN113829725A CN 113829725 A CN113829725 A CN 113829725A CN 202111136886 A CN202111136886 A CN 202111136886A CN 113829725 A CN113829725 A CN 113829725A
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- accommodating
- bag group
- pushing
- bags
- accommodating bag
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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
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1866—Handling of layers or the laminate conforming the layers or laminate to a convex or concave profile
Abstract
The embodiment of the application provides a laminating jig and a laminating method, the laminating jig comprises a pushing part and an accommodating bag group arranged on a pushing surface of the pushing part, the accommodating bag group comprises a plurality of mutually-separated accommodating bags, and a circulation interface can control flowing liquid to flow into or flow out of the accommodating bag group, so that the accommodating bag group is in different deformation states to apply acting forces in different directions to a display module arranged on the accommodating bag group. Therefore, the laminating acting forces in different directions can be provided for the curved surface part in the laminating process, so that uneven stress caused by the shape of the curved surface cover plate can be reduced, the possibility of generating bubbles in the laminating process is reduced, and the manufacturing yield of the display panel is improved.
Description
Technical Field
The application relates to the technical field of manufacturing of display panels, in particular to a laminating jig and a laminating method.
Background
In order to improve the display effect of the screen, some display devices may employ a curved display panel with a curved edge. In the manufacturing process of the curved-surface display panel, the flexible display module and the curved-surface cover plate need to be subjected to curved-surface fitting. In the existing curved surface display panel laminating scheme, when the curvature of the curved surface cover plate is larger, uneven lamination may occur, so that bubbles exist between the display module and the curved surface cover plate, and the manufacturing yield of the display panel is reduced.
Disclosure of Invention
In order to overcome the technical problem mentioned in the above-mentioned technical background, this application embodiment provides a laminating tool for laminate display module assembly to curved surface apron, laminating tool includes:
the pushing part is a pushing surface close to one surface provided with the display module;
the containing bag group is positioned on the pushing surface and comprises a plurality of containing bags which can be separated from each other, and the containing bags are used for containing flowable materials;
the flowable material flows into or out of the accommodating bag group through the circulation interface so as to enable the accommodating bag group to be in different deformation states; when the accommodating bag group is in different deformation states, acting forces in different directions are applied to the display module arranged on the accommodating bag group.
In one possible implementation, the set of containing pockets has at least three different deformation states;
when the flowable material flows out of the containing bag group to enable the containing bag group to be in a first deformation state, the adjacent containing bags in the containing bag group are mutually attached;
when the flowable material is filled into the accommodating bag group to enable the accommodating bag group to be in a second deformation state, at least part of adjacent accommodating bags in the accommodating bag group are separated from each other;
when the flowable material is filled into the accommodating bag group to enable the accommodating bag group to be in a third deformation state, at least part of the accommodating bag expands towards the direction parallel to the pushing surface.
In a possible implementation manner, when the set of accommodating capsules is in the second deformation state, at least part of adjacent accommodating capsules are separated from each other in a direction parallel to the pushing surface.
In a possible implementation manner, the pushing part is of a hollow structure, and each accommodating bag is communicated with the pushing part to form an accommodating chamber; the circulation interface is arranged on the pushing part and communicated with the containing cavity.
In one possible implementation, the pushing portion includes a plurality of flow channels, each of which is connected to each of the accommodating capsules in the accommodating capsule group; the laminating tool includes a plurality of circulation interfaces, every the circulation interface respectively with every the circulation passageway is connected.
In a possible implementation manner, the accommodating bags are strip-shaped, and the arrangement direction of the accommodating bags in the accommodating bag group is matched with the extension direction of the curved surface part of the curved surface cover plate.
In one possible implementation, the shape of the receiving bag is similar to the shape of the curved portion of the curved cover plate along at least one side of the arrangement direction of the plurality of receiving bags.
In a possible implementation manner, the attaching jig further includes a flowable material supply assembly connected to the circulation interface.
The application also provides a laminating method, the laminating jig provided by the application is used for laminating the display module and the curved surface cover plate, the curved surface cover plate comprises a plane part and a curved surface part, and the method comprises the following steps:
the flowable material in the containing bag group is extracted through the circulation interface, so that the containing bag group is in a first deformation state to enable the adjacent containing bags to be mutually attached;
arranging the display module on the accommodating bag group of the attaching jig;
controlling the pushing part to drive the display module to move towards the curved cover plate so as to enable the display module to be attached to the plane part of the curved cover plate;
filling flowable materials into the accommodating bag groups through the circulation interfaces to enable the accommodating bag groups to be in a second deformation state, so that at least part of adjacent accommodating bags are separated from each other along a direction parallel to the pushing surface;
and continuously filling flowable materials into the plurality of accommodating bags through the circulation interface to enable the accommodating bag group to be in a third deformation state, so that at least part of the accommodating bags expand in a direction parallel to the pushing surface, and a joint acting force is applied to the display module and the curved cover plate through the accommodating bags.
In one possible implementation, before filling the set of containing bladders with the flowable material through the flow interface to place the set of containing bladders in the second deformed state, the method further includes:
controlling the pushing part to move towards the curved cover plate so as to reduce the pushing force applied to the display module;
preferably, after filling the set of containment bladders with the flowable material through the flow interface to place the set of containment bladders in the second deformed state, the method further comprises:
and controlling the pushing part to drive the display module to move towards the curved cover plate.
According to the laminating jig and the laminating method provided by the embodiment of the application, the laminating jig comprises the accommodating bag group, the accommodating bag group comprises the accommodating bags which can be separated from each other, and the flowing material can be controlled to flow into or flow out of the accommodating bag group through the circulation interface, so that the accommodating bag group can be in different deformation states, and then acting forces in different directions are applied to the display module arranged on the accommodating bag group. Therefore, the laminating acting forces in different directions can be provided for the curved surface part in the laminating process, so that uneven stress caused by the shape of the curved surface cover plate can be reduced, the possibility of generating bubbles in the laminating process is reduced, and the manufacturing yield of the display panel is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a bonding jig according to an embodiment of the present disclosure;
fig. 2 is a second schematic structural view of a bonding fixture according to an embodiment of the present application;
fig. 3 is a third schematic structural view of a bonding fixture according to an embodiment of the present application;
FIG. 4 is a schematic diagram of an arrangement of a receiving bag according to an embodiment of the present disclosure;
fig. 5 is a schematic flow chart of a bonding method according to an embodiment of the present disclosure;
fig. 6 is one of scene schematic diagrams of a fitting process provided in an embodiment of the present application;
fig. 7 is a second schematic view of a fitting process according to an embodiment of the present application;
fig. 8 is a third scene schematic diagram of the fitting process according to the embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, are only used for convenience of description and simplification of description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
It should be noted that, in case of conflict, different features in the embodiments of the present application may be combined with each other.
Referring to fig. 1, fig. 1 is a schematic view of a bonding jig 10 provided in this embodiment, the bonding jig 10 may be used for bonding a display module to a curved cover plate, the bonding jig 10 includes a pushing portion 100, a containing bag set 200 and a circulation interface 300, and the containing bag set 200 includes a plurality of containing bags that can be separated from each other.
One surface of the pushing part 100, which is close to the display module, is a pushing surface, and the accommodating bag set 200 is located on the pushing surface. Each of the receiving pockets in the receiving pocket set 200 is for receiving a flowable material. Illustratively, the flowable material may be a liquid or a gas.
Optionally, in this embodiment, the accommodating bag is an elastic accommodating bag, and the rigidity of the pushing surface is greater than that of the accommodating bag. For example, the pushing part 100 may be a silicone material with relatively high rigidity but still having certain elasticity; the accommodating bag is made of a material which has relatively small elasticity and is easy to deform.
The flowable material flows into or out of the set of receiving bladders 200 through the flow interface 300 to place the set of receiving bladders 200 in different deformation states. When the accommodating bag set 200 is in different deformation states, the accommodating bag set can have different contour profiles, so that acting forces in different directions are applied to the display module arranged on the accommodating bag set 200.
In some possible implementations, the set of containment bladders 200 can have at least three different deformation states by controlling the amount of flowable material in the set of containment bladders 200.
Referring to fig. 1 again, when the flowable material flows out of the containing bag set 200 to make the containing bag set 200 in the first deformation state, the adjacent containing bags in the containing bag set 200 are attached to each other. For example, by extracting the flowable material from the set of containing bags 200, the amount of the flowable material in each containing bag can be reduced, so that each containing bag is closely attached to the pushing surface, and the adjacent containing bags in the set of containing bags 200 are attached to each other. In the first deformation state, the shape of the containing pockets of the containing pocket set 200 may be similar to the shape of the pushing surface.
Referring to fig. 2, when the flowable material is filled into the containing bag set 200 to make the containing bag set 200 in the second deformation state, at least some adjacent containing bags in the containing bag set 200 are separated from each other. Alternatively, in this embodiment, a side of the accommodating bag set 200 close to the pushing surface is connected to the pushing surface, and the accommodating bags in the accommodating bag set 200 are separated from each other in a direction parallel to the pushing surface. Therefore, when the set of containing bags 200 is filled with a proper amount of the flowable material, the containing bags are not closely adsorbed on the pushing surface, so that at least part of the adjacent containing bags are separated from each other in a direction parallel to the pushing surface under the action of self gravity.
Referring to fig. 3, when the flowable material is filled into the accommodating bag set 200 to make the accommodating bag set 200 in the third deformation state, at least a portion of the accommodating bags in the accommodating bag set 200 are expanded in a direction parallel to the pushing surface. Specifically, each of the accommodating bags expands in each direction when expanding, and since the accommodating bags in the accommodating bag set 200 are distributed on the pushing surface and are relatively separated, a certain mutual extrusion will be generated in a direction parallel to the pushing surface after the plurality of accommodating bags expand, so that a pushing force is generated from the center to the outer edge in a direction parallel to the pushing surface as a whole, and thus, a required pushing force can be provided for the display module to be attached to the curved surface of the curved cover plate.
Alternatively, in a possible implementation manner, the pushing portion 100 may be a hollow structure, and each of the accommodating capsules in the accommodating capsule group 200 is communicated with the pushing portion 100 to form an accommodating chamber. The flow interface 300 is disposed in the pushing portion 100 and is communicated with the accommodating chambers, so that the flowable material can be uniformly filled into or drawn out of each accommodating bag in the accommodating bag set 200 through the flow interface 300.
In another possible implementation manner, the pushing portion 100 may also include a plurality of flow channels, each of which is connected to each of the accommodating bags in the accommodating bag group 200. The flow interface 300 can be connected to each of the flow channels, so that each of the receiving bags in the receiving bag set 200 can be uniformly filled with the flowable material or pumped out of the flowable material through the flow interface 300; or the bonding jig 10 may also include a plurality of circulation interfaces 300, each circulation interface 300 is connected to each circulation channel, so that the flowable material can be respectively filled into or drawn out from each of the accommodating bags in the accommodating bag group 200 relatively independently, thereby realizing independent control of each of the accommodating bags.
Optionally, in a possible implementation manner, the accommodating bags are strip-shaped, and an arrangement direction of each accommodating bag in the accommodating bag group 200 matches an extension direction of the curved surface portion of the curved surface cover plate. For example, referring to fig. 4, the curved cover plate to be attached may be a U-shaped curved cover plate, and the curved extending direction of the curved cover plate extends outward from two sides of the planar portion. In this case, the receiving pockets may be arranged in a strip shape on the pushing surface, and the arrangement direction is the same as the extending direction of the curved surface portion. In this way, the force parallel to the pushing surface generated by the accommodating bag sets 200 in the third deformation state is also along the extension direction of the curved surface portion, so as to better provide the required pushing force for the attachment of the curved surface portion.
Alternatively, in a possible implementation, the shape of a part of the accommodating bag along at least one side in the arrangement direction of the plurality of accommodating bags is similar to the shape of the curved part of the curved cover plate. For example, referring to fig. 1 again, in the accommodating bag set 200, the shape of the accommodating bag at the edge may be an arc shape and is similar to the shape of the curved portion of the curved cover plate.
Optionally, in a possible implementation manner, the attaching jig 10 may further include a flowable material supply assembly connected to the circulation interface 300. The flowable material supply assembly may be an air pump or a liquid pump.
Referring to fig. 5, based on the attachment jig 10 provided in this embodiment, this embodiment further provides a method for attaching a curved cover plate to a display module through the attachment jig 10, where the curved cover plate includes a planar portion and a curved portion, and the method includes:
step S110, the flowable material in the containing bag set 200 is drawn out through the circulation interface 300, so that the containing bag set 200 is in the first deformation state, and the adjacent containing bags are attached to each other.
Specifically, in this process, the amount of the flowable material in each of the receiving bags can be reduced by withdrawing the flowable material from the receiving bag group 200, so that each of the receiving bags is relatively closely adhered to the pushing surface and has a similar profile to the pushing surface. For example, taking the flowable material in the accommodating bag set 200 as an example of gas, in the initial state, each of the accommodating bags has a certain amount of gas, and when the gas is extracted by a proper amount, the surface of each of the accommodating bags on the side away from the pressing portion 100 is properly collapsed due to the decrease of the amount of gas, so that the adjacent accommodating bags are attached to each other.
Step S120, the display module is disposed on the accommodating bag set 200 of the bonding jig 10.
Referring to fig. 6, in the present embodiment, the flexible display module 20 can be disposed on the accommodating bag set 200 of the bonding fixture 10, and the curved cover 30 is disposed on a base 40. Alternatively, the CF film may be used to pre-deform the display module 20 before attaching.
Step S130, controlling the pushing portion 100 to drive the display module 20 to move toward the curved cover plate 30, so that the display module 20 is attached to the planar portion of the curved cover plate 30.
In this process, the flat portions of the display module 20 and the curved cover 30 can be attached to each other.
Step S140, filling a flowable material into the set of containing bags 200 through the flow interface 300 to make the set of containing bags 200 in a second deformation state, so that at least some adjacent containing bags are separated from each other along a direction parallel to the pushing surface.
Referring to fig. 7, in this process, a proper amount of flowable material may be filled into the set of containing bags 200, so that the containing bags in the set of containing bags 200 are no longer tightly adsorbed on the pushing surface, and the containing bags are separated from each other along a direction parallel to the pushing surface.
Step S150, continuously filling the flowable material into the accommodating bag set 200 through the circulation interface 300, so that the accommodating bag set 200 is in a third deformation state, so that at least a part of the accommodating bag expands in a direction parallel to the pushing surface, and a bonding acting force is applied to the display module 20 and the curved cover plate 30 through the accommodating bag.
Referring to fig. 8, in this process, the set of receiving bags 200 may be continuously filled with a flowable material, so that the receiving bags are inflated and pressed against each other in a direction parallel to the pressing surface, so as to apply a pressing force parallel to the pressing surface to the display module 20, so as to further press the display module 20 to be attached to the curved portion of the curved cover 30.
Optionally, in a possible implementation manner, in step S140, before the flowable material is filled into the accommodating bag set 200 through the circulation interface 300 to make the accommodating bag set 200 in the second deformation state, the pushing portion 100 may be controlled to move in a direction away from the curved cover plate 30 to reduce the pushing force applied to the display module 20. Thus, the distance between the accommodating bag set 200 and the display module 20 can be slightly increased, and the accommodating bags can be scattered in a direction parallel to the pushing surface in a space.
Preferably, in step S140, after the flowable material is filled into the accommodating bag set 200 through the flow interface 300 to make the accommodating bag set 200 in the second deformation state, the pushing part 100 may be controlled again to drive the display module 20 to move toward the curved cover plate 30.
According to the laminating jig and the laminating method, the laminating jig comprises the accommodating bag group, the accommodating bag group comprises the accommodating bags which can be separated from each other, and the flowing materials can be controlled to flow into or out of the accommodating bag group through the circulation interface, so that the accommodating bag group can be in different deformation states, and acting forces in different directions can be applied to the display module arranged on the accommodating bags. Therefore, the laminating acting forces in different directions can be provided for the curved surface part in the laminating process, so that uneven stress caused by the shape of the curved surface cover plate can be reduced, the possibility of generating bubbles in the laminating process is reduced, and the manufacturing yield of the display panel is improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a laminating tool, its characterized in that for laminate display module assembly to curved surface apron, laminating tool includes:
the pushing part is a pushing surface close to one surface provided with the display module;
the containing bag group is positioned on the pushing surface and comprises a plurality of containing bags which can be separated from each other, and the containing bags are used for containing flowable materials;
the flowable material flows into or out of the accommodating bag group through the circulation interface so as to enable the accommodating bag group to be in different deformation states; when the accommodating bag group is in different deformation states, acting forces in different directions are applied to the display module arranged on the accommodating bag group.
2. The attaching jig according to claim 1, wherein the accommodating bag group has at least three different deformation states;
when the flowable material flows out of the containing bag group to enable the containing bag group to be in a first deformation state, the adjacent containing bags in the containing bag group are mutually attached;
when the flowable material is filled into the accommodating bag group to enable the accommodating bag group to be in a second deformation state, at least part of adjacent accommodating bags in the accommodating bag group are separated from each other;
when the flowable material is filled into the accommodating bag group to enable the accommodating bag group to be in a third deformation state, at least part of the accommodating bag expands towards the direction parallel to the pushing surface.
3. The attaching jig according to claim 2,
when the accommodating bag group is in the second deformation state, at least part of the adjacent accommodating bags are separated from each other in the direction parallel to the pushing surface.
4. The attaching jig according to claim 1, wherein the pushing portion is of a hollow structure, and each of the accommodating pockets is communicated with the pushing portion to form an accommodating chamber; the circulation interface is arranged on the pushing part and communicated with the containing cavity.
5. The attaching jig according to claim 1, wherein the pushing portion includes a plurality of flow channels, each of the flow channels being connected to each of the accommodating pockets in the accommodating pocket group; the laminating tool includes a plurality of circulation interfaces, every the circulation interface respectively with every the circulation passageway is connected.
6. The attaching jig according to claim 1, wherein the accommodating pockets are strip-shaped, and an arrangement direction of the accommodating pockets in the accommodating pocket group matches an extension direction of the curved surface portion of the curved surface cover plate.
7. The attaching jig according to claim 6, wherein a shape of a portion of the accommodating bag along at least one side in an arrangement direction of the plurality of accommodating bags is similar to a shape of the curved portion of the curved cover plate.
8. The bonding jig of any one of claims 1-7, further comprising a flowable material supply assembly coupled to the flow interface.
9. A bonding method, characterized in that the bonding jig of any one of claims 1 to 8 is used for bonding a display module and a curved cover plate, wherein the curved cover plate comprises a plane part and a curved part, and the method comprises the following steps:
the flowable material in the containing bag group is extracted through the circulation interface, so that the containing bag group is in a first deformation state to enable the adjacent containing bags to be mutually attached;
arranging the display module on the accommodating bag group of the attaching jig;
controlling the pushing part to drive the display module to move towards the curved cover plate so as to enable the display module to be attached to the plane part of the curved cover plate;
filling flowable materials into the accommodating bag groups through the circulation interfaces to enable the accommodating bag groups to be in a second deformation state, so that at least part of adjacent accommodating bags are separated from each other along a direction parallel to the pushing surface;
and continuously filling flowable materials into the plurality of accommodating bags through the circulation interface to enable the accommodating bag group to be in a third deformation state, so that at least part of the accommodating bags expand in a direction parallel to the pushing surface, and a joint acting force is applied to the display module and the curved cover plate through the accommodating bags.
10. The fitting method according to claim 9, wherein before the set of receiving bladders is placed in the second deformed state by filling flowable material into the set of receiving bladders through the flow interface, the method further comprises:
controlling the pushing part to move towards the curved cover plate so as to reduce the pushing force applied to the display module;
preferably, after filling the set of containment bladders with the flowable material through the flow interface to place the set of containment bladders in the second deformed state, the method further comprises:
and controlling the pushing part to drive the display module to move towards the curved cover plate.
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| CN202111136886.9A CN113829725B (en) | 2021-09-27 | 2021-09-27 | Bonding jig and bonding method |
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Cited By (1)
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| CN114419990A (en) * | 2021-12-27 | 2022-04-29 | 广州国显科技有限公司 | Bonding apparatus and bonding method |
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| US20200028124A1 (en) * | 2017-05-08 | 2020-01-23 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Apparatus and method for manufacturing curved display panel |
| CN112185255A (en) * | 2020-09-29 | 2021-01-05 | 武汉天马微电子有限公司 | Laminating device, preparation method of display device and display device |
| CN113043708A (en) * | 2021-04-30 | 2021-06-29 | 云谷（固安）科技有限公司 | Bonding method, bonding jig and display device |
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| KR101838482B1 (en) * | 2016-09-07 | 2018-03-14 | 김지안 | A touch screen protection film attaching guide jig set for mobile electronic products with curved display panel and protection film attaching method using the same |
| US20200028124A1 (en) * | 2017-05-08 | 2020-01-23 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Apparatus and method for manufacturing curved display panel |
| CN110410395A (en) * | 2019-07-24 | 2019-11-05 | 云谷（固安）科技有限公司 | A kind of display screen laminating apparatus and applying method |
| CN112185255A (en) * | 2020-09-29 | 2021-01-05 | 武汉天马微电子有限公司 | Laminating device, preparation method of display device and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114419990A (en) * | 2021-12-27 | 2022-04-29 | 广州国显科技有限公司 | Bonding apparatus and bonding method |
| CN114419990B (en) * | 2021-12-27 | 2024-03-26 | 广州国显科技有限公司 | Bonding device and bonding method |
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| CN113829725B (en) | 2023-08-22 |
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