WO2019051807A1

WO2019051807A1 - Fixing method, fixing device and bonding machine

Info

Publication number: WO2019051807A1
Application number: PCT/CN2017/101957
Authority: WO
Inventors: 胡旭
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2017-09-15
Filing date: 2017-09-15
Publication date: 2019-03-21
Also published as: CN110753669A; CN110753669B

Abstract

Provided is a fixing device (10) for fixing a panel assembly (20), wherein the panel assembly (20) comprises a panel (22) and a flexible attachment (24). The fixing device (10) comprises: a support table (12), a first pipe (14), a support frame (16) and a second pipe (18), wherein the support table (12) is used for supporting the panel (22); the first pipe (14) is used for connecting the panel (22) and an external vacuum source so as to fix the panel (22) on the support table (12); the support frame (16) is connected to the support table (12) and is used for supporting the flexible attachment (24); and the second pipe (18) is used for connecting the flexible attachment (24) and the external vacuum source so as to fix the flexible attachment (24) on the support frame (16). Provided is a fixing method, comprising: detecting the vacuum degree of the first pipe (14) and the second pipe (18) (S11); and giving an alarm when the vacuum degree is less than or equal to a pre-set threshold value (S15). Further provided is a bonding machine (100).

Description

Fixing method, fixing device and laminating machine

Technical field

The present invention relates to a bonding technique, and more particularly to a fixing method, a fixing device and a bonding machine.

Background technique

In the production process of the touch screen, the display panel needs to be attached to the cover plate. However, the flexible circuit board on the display panel may be folded back to the bonding surface of the display panel to affect the bonding quality.

Summary of the invention

In view of this, the present invention provides a fixing method, a fixing device, and a bonding machine.

A fixing device according to an embodiment of the present invention is for fixing a panel assembly. The panel assembly includes a panel and a flexible attachment coupled to the panel, the securing device including a support table, a first conduit at least partially formed on the support table, a support bracket coupled to the support table, and at least partially formed a second conduit on the support frame. The support table is for supporting the panel. The first conduit is for connecting the panel and an external vacuum source to secure the panel to the support table. The support frame is for supporting the flexible accessory. The second conduit is for connecting the flexible attachment and the external vacuum source to secure the flexible attachment to the support bracket.

A laminating machine according to an embodiment of the present invention includes the fixing device and a bonding device for fixing a cover plate and for cooperating with the fixing device to attach the panel assembly to the cover plate .

A fixing method of an embodiment of the present invention is for fixing a panel assembly. The panel assembly includes a panel and a flexible attachment to the panel. The fixing method includes:

Providing a fixing device, the fixing device comprising a support table, a first pipe at least partially formed on the support table, a support frame connected to the support table, and a second pipe at least partially formed on the support frame;

Positioning the panel assembly on the fixture, the panel being supported on the support table, the flexible accessory being supported on the support frame;

The first conduit and the second conduit are connected to an external vacuum source to secure the panel to the support table and to secure the flexible attachment to the support bracket.

The advantages of the additional aspects of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the embodiments of the present invention will become apparent and readily understood from the following description

1 is a schematic perspective view of a fixing device according to an embodiment of the present invention.

2 is a schematic perspective view of a laminating machine according to an embodiment of the present invention.

3 is a schematic flow chart of a fixing method according to an embodiment of the present invention.

4 is a plan view schematically showing a viewing angle of a fixing device according to an embodiment of the present invention.

Fig. 5 is a plan view showing another perspective of the fixing device of the embodiment of the present invention.

The main component symbol description:

Fixing device 10, support table 12, first pipe 14, support frame 16, second pipe 18, first support surface 122, first accommodating groove 124, first bottom surface 1242, first lower surface 126, first through hole 142, the first connecting tube 144, the first connecting hole 146, the second supporting surface 162, the second receiving groove 164, the second bottom surface 1642, the second lower surface 166, the second through hole 182, the second connecting tube 184, The second connecting hole 186 , the panel assembly 20 , the panel 22 , the flexible accessory 24 , the bonding machine 100 , the bonding device 30 , the air suction plate 32 , the positioning fixture 34 , the first air suction hole 322 , and the second air suction hole 342 . The cover plate assembly 40, the bonding surface 42, the detecting device 11, the alarm device 13, and the processor 15.

Detailed ways

The following disclosure provides many different embodiments or examples for implementing different structures of embodiments of the present invention. In order to simplify the disclosure of embodiments of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the invention. In addition, the embodiments of the present invention may repeat reference numerals and/or reference letters in different examples, which are for the purpose of simplicity and clarity, and do not in themselves indicate the relationship between the various embodiments and/or arrangements discussed. . Moreover, embodiments of the present invention provide examples of various specific processes and materials, but one of ordinary skill in the art will recognize the use of other processes and/or the use of other materials.

Referring to FIG. 1, a fixture 10 of an embodiment of the present invention is used to secure a panel assembly 20. The panel assembly 20 includes a panel 22 and a flexible attachment 24 that is coupled to the panel 22. The fixture 10 includes a support table 12, a first conduit 14, a support frame 16, and a second conduit 18. The support table 12 is used to support the panel 22. The first conduit 14 is at least partially formed on the support table 12 for connecting the panel 22 and an external vacuum source (not shown) to secure the panel 22 to the support table 12. The support frame 16 is coupled to the support table 12 for supporting the flexible attachment 24. A second conduit 18 is at least partially formed on the support frame 16 for attaching the flexible attachment 24 and an external vacuum source to secure the flexible attachment 24 to the support frame 16.

Referring to FIG. 2 together, the fixing device 10 of the embodiment of the present invention can be applied to the bonding machine 100. In other words, the bonding machine 100 includes the fixture 10.

The bonding machine 100 also includes a bonding device 30. The fitting device 30 can be used to secure the cover assembly 40 and for mating with the fixture 10 to conform the panel assembly 20 to the cover assembly 40.

Referring to FIG. 3 together, in operation, the panel assembly 20 can be fixed to the fixture 10 by the fixing method of the embodiment of the present invention. The fixed method includes the following steps:

S12, providing a fixing device 10;

S14, the panel assembly 20 is placed on the fixture 10, the panel 22 is supported on the support table 12, and the flexible attachment 24 is supported on the support frame 16;

S16, connecting the first conduit 14 and the second conduit 18 with an external vacuum source (not shown) to secure the panel 22 to the support table 12 and to secure the flexible attachment 24 to the support frame 16.

It will be appreciated that the flexible attachment 24 is susceptible to reflexing and/or deformation during handling due to its flexibility, particularly when the flexible attachment 24 is relatively large in size. As such, the flexible attachment 24 may be folded back onto the panel 22 during the attachment, and the barrier panel 22 fits over the cover assembly 40 or affects the fit of the panel 22 to the cover assembly 40. In the fixing device 10, the bonding machine 100 and the fixing method of the embodiment of the present invention, the flexible attachment 24 and the external vacuum source are connected by providing the second duct 18. The flexible attachment 24 is attracted to the support frame 16 by negative pressure adsorption of an external vacuum source. In this way, the flexible attachment 24 is prevented from reversing to affect the bonding effect when it is attached.

The fixing device 10, the bonding machine 100 and the fixing method of the embodiments of the present invention may be applied to a touch panel, or the panel assembly 20 may be a display panel assembly, the panel 22 may be a display panel, and the flexible accessory 24 may be a flexible circuit. board.

In some embodiments, panel assembly 20 can be an OLED panel assembly, panel 22 can be an OLED panel, and flexible member 24 can be an FPC. Of course, the panel assembly 20, the panel 22, and the flexible attachment 24 are not limited to the above embodiments.

In some embodiments, panel assembly 20 can include only a display panel (eg, panel 22), while cover assembly 40 can include a cover panel and a touch panel (not shown) disposed on the cover panel. In these embodiments, the touch panel may be bonded by a GFF (glass-film-film) process, or the cover assembly 40 may include a cover plate and a touch panel attached to the cover plate by optically transparent adhesive. Of course, the touch panel may also be bonded by an OGS (one glass solution) or TOL (touch on lens) process, or the cover assembly 40 may include a cover plate and a touch panel directly formed on the cover plate.

In other embodiments, the panel assembly 20 can include a display panel (eg, panel 22) and a touch panel (not shown), and the cover assembly 40 can include only a cover (not shown). In these embodiments, the touch panel may be attached using an On-cell process, or the display panel assembly 20 includes a display panel and a touch panel formed on the display panel. The touch panel may also be bonded using an In-cell process, or the display panel may include a display panel and a touch panel formed in the display panel.

In some embodiments, the cover can be a glass cover or a plastic cover.

In another embodiment, the display panel may be a flexible panel, and the cover panel includes a bonding surface 42 and a bonding surface 42 It can be a plane or a surface. In this way, the production of a curved touch panel can be achieved.

Of course, the application of the laminating machine 100 is not limited to the embodiments discussed above. In other embodiments, the laminating machine 100 can be used to conform a desired material to a workpiece.

In certain embodiments, the fixation device 10 and/or the attachment device 30 are detachably disposed.

That is to say, in some embodiments, the fixing device 10 is detachably disposed and the bonding device 30 is fixedly disposed, or in some embodiments, the fixing device 10 is fixedly disposed and the bonding device 30 is detachably disposed, in addition to In some embodiments, both the fixture 10 and the fitting device 30 can be detachably disposed.

As such, different panel assemblies 20 and/or cover assemblies 40 differ in shape and size during production and may require different fixtures 10 and/or attachment devices 30, and in the embodiments discussed above, The fixing device 10 and/or the bonding device 30 of the corresponding specifications can be disassembled and installed, and can be adapted to different fitting requirements without avoiding switching of the entire device, thereby saving cost.

Referring to FIGS. 4 and 5 together, in some embodiments, the support table 12 includes a first support surface 122 for supporting the panel 22. The first conduit 14 includes a first through bore 142 that extends through the first support surface 122.

In other words, a portion of the first duct 14 is directly formed on the support table 12 as the first through hole 142. In this way, the structure of the fixture 10 can be simplified.

In the present embodiment, the first duct 14 further includes a first connecting tube 144 that connects the external vacuum source and the first through hole 142.

In some embodiments, the support table 12 is formed with a first receiving groove 124. The first receiving groove 124 is located on the first supporting surface 122 and is used for accommodating and positioning the panel 22 . The first bottom surface 1242 of the first accommodating groove 124 is formed with a first through hole 142.

In this way, it is convenient to position the panel 22, and the fixing effect of the panel 22 is good.

Of course, the fixture 10 is not limited to the embodiments discussed above. In other embodiments, the first accommodating slot 124 may be omitted if the negative pressure provided by the external vacuum source is sufficient to secure the panel 22.

In some embodiments, the number of first through holes 142 is plural and distributed in an array.

In this way, the area for adsorbing the panel 22 is increased, and the panel 22 can be better adhered and fixed to the support table 12. The first through holes 142 are distributed in an array to make the panel 22 placed on the fixing device 10 evenly stressed.

Of course, the distribution of the first through holes 142 may not be limited to an array, and may be set according to the shape of the panel 22.

In some embodiments, the support table 12 includes a first lower surface 126 that is opposite the first support surface 122. The first duct 14 includes a first connecting hole 146 formed in the support base 12 and communicating with the first through hole 142 through the first lower surface 126. The first connection aperture 146 is for connection to an external vacuum source.

In the above-discused embodiment, the first connection hole 146 can be connected to the external vacuum source through the first connection tube 144, so that the external vacuum source can apply a negative pressure to the panel 22 placed on the support table 12, thereby making the surface The plate 22 is fixed to the support table 12.

In some embodiments, the support frame 16 includes a second support surface 162 for supporting the flexible attachment 24. The second conduit 18 includes a second through bore 182 that extends through the second support surface 162.

In other words, a portion of the second duct 18 is directly formed on the support frame 16 as the second through hole 182. In this way, the structure of the fixture 10 can be simplified.

In the present embodiment, the second duct 18 further includes a second connecting pipe 184 that connects the external vacuum source and the second through hole 182.

In some embodiments, the support frame 16 is formed with a second receiving groove 164. The second receiving groove 164 is located on the second supporting surface 162 and is used for accommodating and positioning the flexible attachment 24 . The second bottom surface 1642 of the second receiving groove 164 is formed with a second through hole 182.

In this way, the flexible attachment 24 is easily positioned, and the fixing effect of the flexible attachment 24 is good.

Of course, the fixture 10 is not limited to the embodiments discussed above, and in other embodiments, the second pocket 164 may be omitted if the negative pressure provided by the external vacuum source is sufficient to secure the flexible attachment 24.

In some embodiments, the number of second vias 182 is plural and distributed in an array.

In this way, the area for adsorbing the flexible attachment 24 is increased, and the flexible attachment 24 can be better attached and affixed to the support frame 16. The second through holes 182 are distributed in an array to make the flexible attachment 24 placed on the fixture 10 evenly stressed.

Of course, the distribution of the second through holes 182 may not be limited to an array, and may be set according to the shape of the flexible attachment 24.

In some embodiments, the support frame 16 includes a second lower surface 166 opposite the second support surface 162. The second duct 18 includes a second connecting hole 186 formed in the support frame 16 and communicating with the second through hole 182 through the second lower surface 166. The second connection aperture 186 is for connection to an external vacuum source.

In the embodiment discussed above, the second attachment aperture 186 can be coupled to an external vacuum source by the second connection tube 184 to enable the external vacuum source to apply a negative pressure to the flexible attachment 24 disposed on the support frame 16 such that The flexible attachment 24 is secured to the support frame 16.

In some embodiments, the support frame 16 is rotatable about the support table 12.

The support frame 16 and the support table 12 can be connected by screws. Of course, the support frame 16 and the support table 12 can also be connected by other means, as long as the support frame 16 can be selectively disposed relative to the support table 12. The support frame 16 is rotatably disposed to enable the fixture 10 to be adapted to different panel assemblies 20. Specifically, when the flexible attachment 24 is long, the support frame 16 can be rotated to a position at an angle of 90 degrees to the edge of the support table 12. When the flexible attachment 24 is of other shapes, the flexible attachment 24 can be rotated by the support frame 16 so that the flexible attachment 24 can be completely placed on the support frame 16 for a better fixing effect. Thus, in avoiding switching the fixture 10 In this case, it can adapt to different fixed needs and save costs.

In some embodiments, the fixture 10 includes a detection device 11. The detecting device 11 is for detecting the degree of vacuum of the first duct 14 and the second duct 18.

Please refer to FIG. 3 together. In some embodiments, the fixing method includes:

S11, detecting the degree of vacuum of the first pipe 14 and the second pipe 18.

Step S11 can be implemented by the detecting device 11.

The setting detecting means 11 detects the degree of vacuum of the first duct 14 and the second duct 18, so that the adsorption state of the panel 22 and the flexible attachment 24 can be detected. Of course, the detection device 11 can also be provided by a vacuum source so as not to be included in the fixture 10.

In some embodiments, the fixture 10 further includes an alarm device 13 and a processor 15 coupled to the detection device 11 and the alarm device 13. The processor 15 is configured to determine whether the degree of vacuum is less than or equal to a predetermined threshold and to control the alarm device 13 to alarm when the degree of vacuum is less than or equal to a predetermined threshold.

In some embodiments, the fixing method comprises:

S13, determining whether the degree of vacuum is less than or equal to a predetermined threshold;

S15. An alarm is issued when the degree of vacuum is less than or equal to a predetermined threshold.

Step S13 can be implemented by the processor 15, and step S15 can be implemented by the processor 15 controlling the alarm device 13.

Of course, the alarm device 13 and/or the processor 15 may be provided by a vacuum source so as not to be included in the fixture 10. The detection device 11, the alarm device 13 and the processor 15 can be used in conjunction with the vacuum of the first conduit 14 and/or the second conduit 18 being less than or equal to a predetermined threshold, such that the fixture 10 fails to reach the suction panel 22 and/or the flexible attachment. An alarm is issued when the effect of 24 is alerted to the staff for processing.

In some embodiments, the fitting device 30 includes a suction plate 32 and a positioning fixture 34. The positioning jig 34 is disposed under the suction panel 32. The air suction plate 32 is formed with a first air suction hole 322 for connecting with an external negative pressure source (not shown). The positioning fixture 34 is used to position the cover assembly 40. The positioning jig 34 is formed with a second air suction hole 342 that communicates with the first air suction hole 322 and is connected to the cover plate assembly 40.

Thus, by the communication of the first air suction hole 322 and the second air suction hole 342, the external negative pressure source applies a negative pressure on the cover plate assembly 40, thereby fixing the cover plate assembly 40 to the bonding device 30.

The suction plate 32 may be made of stainless steel. Stainless steel has high mechanical strength and good durability, which can reduce equipment replacement and save money.

The positioning fixture 34 can be made of bakelite. Bakelite has high mechanical strength and good insulation, and has the advantages of heat resistance and corrosion resistance.

Of course, the positioning fixture 34 is not limited to the embodiment discussed above, for example, the positioning fixture 34 can be Made of other suitable materials. Even in some embodiments, the positioning fixture 34 may be omitted if the alignment requirements are not high or the positioning capabilities of the suction panel 32 have met the alignment requirements.

In other embodiments, the bonding device 30 can also fix the cover assembly 40 in other manners, such as by electromagnetic force fixing, structural clamping or adhesive, etc., without being limited to the negative pressure discussed in the above embodiments. The way of adsorption.

In the description of the embodiments of the present invention, it is to be understood that the orientation or positional relationship of the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. is based on the drawings. The orientation or positional relationship shown is for the convenience of describing the embodiments and the simplified description of the present invention, and does not indicate or imply that the device or component referred to has a specific orientation, is constructed and operated in a specific orientation, and thus cannot be understood. It is a limitation on the embodiments of the present invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include one or more of the described features either explicitly or implicitly. In the description of the embodiments of the present invention, the meaning of "a plurality" is two or more unless specifically defined otherwise.

In the description of the embodiments of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed connections, for example, or They are detachable or integrally connected; they can be mechanically connected, they can be electrically connected or can communicate with each other; they can be connected directly or indirectly through an intermediate medium, which can be internal or two components of two components. Interaction relationship. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood on a case-by-case basis.

Any process or method description in the flowcharts or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a particular logical function or process. And the scope of the preferred embodiments of the invention includes additional implementations, in which the functions may be performed in a substantially simultaneous manner or in an opposite order depending on the functions involved, in the order shown or discussed. It will be understood by those skilled in the art to which the embodiments of the present invention pertain.

Claims

A fixing device for fixing a panel assembly, the panel assembly comprising a panel and a flexible attachment connected to the panel, wherein the fixing device comprises:

a support table for supporting the panel;

a first conduit formed at least partially on the support table, the first conduit for connecting the panel and an external vacuum source to secure the panel to the support table;

a support frame coupled to the support table, the support frame for supporting the flexible accessory; and

A second conduit at least partially formed on the support frame, the second conduit for connecting the flexible attachment and the external vacuum source to secure the flexible attachment to the support bracket.
The fixture of claim 1 wherein the panel assembly comprises an OLED panel assembly, the panel comprises an OLED panel, and the flexible member comprises an FPC.
The fixture according to claim 1, wherein the support table includes a first support surface for supporting the panel, and the first duct includes a first through hole penetrating the first support surface.
The fixing device according to claim 3, wherein the support base is formed with a first accommodating groove on the first supporting surface for accommodating and positioning the panel, the first pass A hole is formed in a bottom surface of the first receiving groove.
The fixing device according to claim 3, wherein the number of the first through holes is plural and distributed in an array.
The fixing device according to claim 3, wherein the support table includes a first lower surface opposite to the first support surface, and the first duct includes a support tube formed on the support base a first connection hole that is in contact with the first through hole and is connected to the external vacuum source.
The fixing device according to claim 1, wherein the support frame includes a second support surface for supporting the flexible attachment, and the second duct includes a second through hole penetrating the second support surface .
The fixing device according to claim 7, wherein said support frame is formed at said first a second receiving groove for receiving and positioning the flexible attachment on the two supporting surfaces, wherein the second through hole is formed on a bottom surface of the second receiving groove.
The fixing device according to claim 7, wherein the number of the second through holes is plural, and the plurality of the second through holes are distributed in a matrix.
The fixing device according to claim 7, wherein the support frame includes a second lower surface opposite to the second support surface, and the support frame is formed on the second lower surface with the first a second connection hole communicating with the two through holes, the second connection hole being for connecting with the external vacuum source.
The fixture of claim 1 wherein said support frame is rotatable about said support table.
The fixing device according to claim 1, wherein said fixing means comprises detecting means for detecting a degree of vacuum of said first duct and said second duct.
The fixing device according to claim 12, wherein the fixing device comprises:

Alarm device; and

a processor coupled to the detecting device and the alarm device, the processor configured to determine whether the degree of vacuum is less than or equal to a predetermined threshold and control the alarm device when the degree of vacuum is less than or equal to the predetermined threshold Call the police.
A laminating machine, comprising:

A fixing device according to any one of claims 1-13; and

A fitting device for securing a cover and for mating with the fixture to attach the panel assembly to the cover.
The laminating machine according to claim 14, wherein said fixing means and said fitting means are detachably provided.
A fixing method for fixing a panel assembly, the panel assembly comprising a panel and a flexible attachment connected to the panel, wherein the fixing method comprises:

Providing a fixing device, the fixing device comprising a support table, a first pipe at least partially formed on the support table, a support frame connected to the support table, and a second pipe at least partially formed on the support frame;

Positioning the panel assembly on the fixture, the panel being supported on the support table, the flexible accessory being supported on the support frame;

The first conduit and the second conduit are connected to an external vacuum source to secure the panel to the support table and to secure the flexible attachment to the support bracket.
The fixing method according to claim 16, wherein the fixing method comprises:

The degree of vacuum of the first pipe and the second pipe is detected.
The fixing method according to claim 16, wherein the fixing method comprises:

Determining whether the degree of vacuum is less than or equal to a predetermined threshold;

An alarm is issued when the degree of vacuum is less than or equal to the predetermined threshold.