Chip on film hooking device and liquid crystal panel assembling platform

By designing a crystal-covered film hooking device, the crystal-covered film is hooked flush with the substrate, the problem of the crystal-covered film falling off during movement is solved, and a more stable assembly process is achieved.

CN223133581UActive Publication Date: 2025-07-22TCL OVERSEAS ELECTRONIC (HUIZHOU) CO LTD
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Patent Information

Application Number
CN202422151180.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-07-22
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

The crystal-covered film is prone to fall off the substrate during movement, resulting in unstable suction force of the suction cup and may scratch the surface of another substrate.

Method used

A crystal-covered film hooking device is designed, including a frame, a suction plate mechanism and a membrane hooking mechanism. The telescopic drive member and the lifting drive member drive the hook claw to hook the crystal-covered film so that it is flush with the substrate, avoiding folding, and ensuring accurate hooking through an infrared sensor.

Benefits of technology

It effectively reduces the risk of falling off of the crystal-covered film during movement, keeps the film flat, and improves the stability and success rate of the assembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of display screen processing, and discloses a chip on film hooking device and a liquid crystal panel assembling platform, the chip on film hooking device comprises a rack, a suction plate mechanism and a film hooking mechanism, and the rack is provided with a film hooking station; the film hooking mechanism comprises a telescopic driving part, a telescopic rod, a lifting driving part and a hooking claw, and the telescopic driving part is arranged on the rack and drives the telescopic rod to move in the first linear direction; the lifting driving piece is arranged on the telescopic rod and can drive the hook claw to move in the second linear direction. According to the technical scheme of the utility model, the protruding part of the chip on film is located at the film hooking station; the telescopic rod drives the lifting driving piece to move left and right away from the film hooking station; the lifting driving piece drives the hook claw to descend to approach the film hooking station; and the hook claw reaches the film hooking station and retracts, and the lifting driving piece drives the hook claw to ascend. The hook claws hook the chip-on-film to keep the chip-on-film flat so as to prevent the chip-on-film from being folded; and the hook claw lifts the chip-on-film to reduce the falling risk.
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Description

Technical Field

[0001] The utility model relates to the technical field of display screen processing, and particularly relates to a flip chip film picking device and a liquid crystal panel assembly platform. Background Art

[0002] Liquid crystal display technology is one of the most commonly used electronic display technologies today and is widely used in electronic products such as televisions, monitors, and mobile devices. A liquid crystal panel is the core component of a liquid crystal display. The key step in assembling a liquid crystal panel is to encapsulate a flip chip film. When encapsulating, first, a part of the flip chip film is attached to a substrate, and then the substrate with the attached flip chip film is assembled with another substrate to achieve the encapsulation of the flip chip film. During the assembly process on the production line, since the flip chip film is relatively soft, a suction cup is usually used to simultaneously adsorb the protruding parts of the substrate and the flip chip film to keep the flip chip film flat, thereby preventing the flip chip film from being folded and failing during assembly.

[0003] However, during the moving process, the suction force of the suction cup is unstable, and the surface of the flip chip film is relatively soft, so there may be a situation of vacuum leakage, resulting in insufficient suction force of the suction cup and causing the flip chip film to fall off, which may scratch the surface of another substrate. Summary of the Utility Model

[0004] The main purpose of the utility model is to provide a flip chip film picking device, aiming to reduce the risk of the flip chip film falling off the substrate during the moving process.

[0005] To achieve the above purpose, the flip chip film picking device proposed by the utility model includes:

[0006] A frame, the frame having a film picking station;

[0007] A suction plate mechanism, the suction plate mechanism including a suction cup, the suction cup being provided on the frame and close to the film picking station; and

[0008] A film picking mechanism, the film picking mechanism including a telescopic driving member, a telescopic rod, a lifting driving member, and a claw. The telescopic driving member is provided on one side of the frame facing the suction cup, the telescopic rod is provided at the output end of the telescopic driving member, and the telescopic driving member can drive the telescopic rod to move along a first linear direction; the lifting driving member is provided on the telescopic rod, the claw is provided at the output end of the lifting driving member, and the lifting driving member can drive the claw to move along a second linear direction; the first linear direction and the second linear direction are arranged at an angle.

[0009] The present utility model also provides a liquid crystal panel assembly platform, which includes a workbench, a lifting mechanism, and a flip chip film picking device. The workbench has a feeding station for carrying a substrate; the lifting mechanism is arranged on the workbench and can drive the workbench to drive the suction cup to approach or move away from the feeding station.

[0010] In the technical solution of the present utility model, the flip chip film picking device includes a frame, a suction plate mechanism, and a film picking mechanism. The frame has a film picking station; the suction plate mechanism includes a suction cup, which is arranged on the frame and close to the film picking station; the film picking mechanism includes a telescopic driving member, a telescopic rod, a lifting driving member, and a hook claw. The telescopic driving member is arranged on one side of the frame facing the suction cup, the telescopic rod is arranged at the output end of the telescopic driving member, and the telescopic driving member can drive the telescopic rod to move along a first linear direction; the lifting driving member is arranged on the telescopic rod, the hook claw is arranged at the output end of the lifting driving member, and the lifting driving member can drive the hook claw to move along a second linear direction; the first linear direction and the second linear direction are arranged at an angle. In the technical solution of the present utility model, the first linear direction is consistent with the left-right direction, and the second linear direction is consistent with the up-down direction; the suction cup sucks the substrate, and the protruding part of the flip chip film is located at the film picking station; after inputting the set parameters into the industrial control computer, the telescopic driving member drives the telescopic rod to drive the lifting driving member to move along the left-right direction to move away from the film picking station; when the telescopic rod drives the lifting driving member to extend to the side of the film picking station away from the frame, the telescopic driving member stops driving, and at the same time the lifting driving member drives the hook claw to descend and approach the film picking station; when the hook claw reaches below the film picking station, the telescopic driving member drives the telescopic rod to drive the lifting driving member and the hook claw to retract in the direction close to the frame, and at the same time the lifting driving member drives the hook claw to rise to a position flush with the substrate adsorbed by the suction cup. The hook claw hooks the flip chip film and lifts the flip chip film to be flush with the substrate, which can keep the flip chip film flat to avoid folding of the flip chip film; at the same time, using the hook claw to lift the flip chip film can make the flip chip film more stably moved to another substrate, thereby reducing the risk of the flip chip film falling during the movement. Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0012] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the flip chip film picking device provided by the present utility model;

[0013] Figure 2Schematic structural diagram of another embodiment of a flip-chip thin film picking device;

[0014] Figure 3 Schematic structural diagram of still another embodiment of a flip-chip thin film picking device.

[0015] Explanation of the reference numerals in the drawings:

[0016] Label Name Label Name 1000 Flip-chip thin film picking device 25 First slide rail 1 Frame 31 Telescopic drive 11 Film picking station 32 Telescopic rod 12 First chute 33 Lifting drive 13 Second chute 34 Claw 21 Suction cup 341 Connecting plate 22 Connecting column 342 Picking plate 23 Moving plate drive 35 Support seat 24 Moving plate 36 Second slide rail

[0017] The realization of the object, functional features and advantages of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Specific embodiments

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] It should be noted that all the directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0020] In addition, the descriptions involving "first", "second", etc. in the present utility model are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and / or" appearing throughout the text includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution that satisfies both A and B at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0021] Please refer to Figure 1 , to solve the problem that there is a risk of falling off during the movement of the flip-chip thin film, the present utility model proposes a flip-chip thin film picking device 1000, including:

[0022] A frame 1, a suction plate mechanism, and a film hooking mechanism. The frame 1 has a film hooking station 11. The suction plate mechanism includes a suction cup 21, and the suction cup 21 is arranged on the frame 1 and is close to the film hooking station 11. The film hooking mechanism includes a telescopic driving member 31, a telescopic rod 32, a lifting driving member 33, and a hook 34. The telescopic driving member 31 is arranged on one side of the frame 1 facing the suction cup 21. The telescopic rod 32 is arranged at the output end of the telescopic driving member 31. The telescopic driving member 31 can drive the telescopic rod 32 to move along a first linear direction. The lifting driving member 33 is arranged on the telescopic rod 32, and the hook 34 is arranged at the output end of the lifting driving member 33. The lifting driving member 33 can drive the hook 34 to move along a second linear direction. The first linear direction and the second linear direction are arranged at an angle.

[0023] In the technical solution of the present utility model, the first linear direction is consistent with the left - right direction, and the second linear direction is consistent with the up - down direction. The suction cup 21 sucks the substrate, and the protruding part of the COF film is located at the film hooking station 11. After inputting the set parameters into the industrial control computer, the telescopic driving member 31 drives the telescopic rod 32, thereby driving the lifting driving member 33 to move along the left - right direction away from the film hooking station 11. When the telescopic rod 32 drives the lifting driving member 33 to extend to the side of the film hooking station 11 away from the frame 1, the telescopic driving member 31 stops driving. At the same time, the lifting driving member 33 drives the hook 34 to descend close to the film hooking station 11. When the hook 34 reaches below the film hooking station 11, the telescopic driving member 31 drives the telescopic rod 32 to drive the lifting driving member 33 and the hook 34 to retract in the direction close to the frame 1, and at the same time, the lifting driving member 33 drives the hook 34 to rise to a position flush with the substrate adsorbed by the suction cup 21. So that the hook 34 hooks the COF film and lifts the COF film to be flush with the substrate, which can keep the COF film flat to avoid folding the COF film. At the same time, using the hook 34 to lift the COF film can make the COF film be moved to another substrate more stably, thereby reducing the risk of the COF film falling during the movement.

[0024] The hook 34 includes a connecting plate 341 and at least two hook plates 342. In an embodiment of the present utility model, the hook 34 includes a connecting plate 341 and two hook plates 342. The connecting plate 341 is connected to the output end of the lifting driving member 33. The two hook plates 342 are both arranged on the side of the connecting plate 341 facing the film hooking station 11, and the two hook plates 342 are respectively arranged at both ends of the connecting plate 341. The two hook plates 342 located at both ends of the connecting plate 341 can lift both ends of the COF film, so that both ends are stressed, reducing the degree of deformation of the COF film sagging under the influence of gravity, thereby further reducing the probability of the COF film being folded during packaging.

[0025] In an embodiment of the present utility model, the hook film structure further includes an infrared sensor, which is disposed on a side of a hook plate 342 facing the hook film station 11 and is electrically connected to the telescopic driving member 31 and the lifting driving member 33 through an industrial control computer. The infrared sensor is used to detect whether the flip chip film is hooked by the two hook plates 342; if not, a signal is uploaded to the industrial control computer, and the industrial control computer controls the lifting driving member 33 to raise the hook claw 34, then controls the telescopic driving member 31 to drive the lifting driving member 33 to retract, and then controls the telescopic driving member 31 and the lifting driving member 33 to repeat the hooking action, and so on until the two hook plates 342 hook the flip chip film. This ensures that the flip chip film can be hooked by the hook claw 34, so that the flip chip film can be kept flat to avoid being folded, and at the same time, the risk of the flip chip film falling during movement can be reduced.

[0026] The suction plate mechanism includes at least four suction cups 21 and a connecting column 22 corresponding to each suction cup 21. In an embodiment of the present utility model, the suction plate mechanism includes four suction cups 21 and four connecting columns 22. The four suction cups 21 respectively adsorb the four corners of the substrate, thereby reducing the probability of vacuum leakage caused by the substrate shaking during movement and increasing the stability of the substrate movement.

[0027] In an embodiment of the present utility model, the telescopic driving member 31 is disposed at one end of the frame 1 away from the hook film station 11, and the telescopic rod 32 is located between the connecting columns 22. The telescopic rod 32 being located between the connecting columns 22 does not affect the telescopic movement of the telescopic rod 32. Such a setting makes the structure of the flip chip film hooking device 1000 more compact and saves space.

[0028] The suction plate mechanism includes a moving plate driving member 23, a moving plate 24 and a plurality of suction cups 21. In an embodiment of the present utility model, the suction plate mechanism includes a moving plate driving member 23, a moving plate 24 and five suction cups 21. The moving plate driving member 23 is disposed on the frame 1, the moving plate 24 is disposed at the output end of the moving plate driving member 23, and the moving plate driving member 23 is used to drive the moving plate 24 to move along the third linear direction to approach or move away from the frame 1; a suction cup 21 is disposed on the moving plate 24; the first linear direction, the second linear direction and the third linear direction are pairwise at an angle. The third linear direction is the same as the front-back direction. The moving plate 24 can move in the front-back direction. In this way, when the suction cups 21 adsorb substrates of different sizes, the moving plate driving member 23 drives the moving plate 24 to move back and forth, driving the suction cups 21 on the moving plate 24 to move back and forth, so that the four suction cups 21 on the frame 1 do not need to move, and the adsorption of substrates of different sizes can be realized; in this way, the probability of vacuum leakage of the four suction cups 21 on the frame 1 is reduced, and the adsorption of the substrate is made more stable and reliable.

[0029] Please refer to Figure 3, in an embodiment of the present utility model, the suction plate mechanism further includes a first slide rail 25. A first chute 12 is formed on the frame 1, and the first slide rail 25 is slidably connected to the chute wall of the first chute 12; the moving plate 24 is disposed on the first slide rail 25. The cooperation function of the first slide rail 25 and the first chute 12 is to provide precise movement guidance for the moving plate 24. This cooperation enables the moving plate 24 to move smoothly and stably in the front-back direction. The slide rail 25 is usually installed in a fixed position and forms a matching guiding system with the chute 12. By contacting the slide rail 25 through the guiding surface in the chute 12, linear guidance of the moving plate 24 is achieved. This design ensures that the moving plate 24 does not deviate or jam during the front-back movement, thus maintaining the stability and precision of its movement.

[0030] In an embodiment of the present utility model, the film hooking structure further includes two support seats 35, both of which are disposed on the frame 1; the telescopic rod 32 passes through the two support seats 35. One support seat 35 is disposed close to the telescopic driving member 31, and the other support seat 35 is disposed close to the film hooking station 11. The two support seats 35 can provide stability for the telescopic rod 32, preventing the telescopic rod 32 from tilting or deforming due to excessive load during the telescopic process, thereby extending the service life of the telescopic rod 32.

[0031] In an embodiment of the present utility model, the film hooking structure further includes a second slide rail 36. A second chute 13 is formed on the frame 1, and the second slide rail 36 is slidably connected to the chute wall of the second chute 13; the lifting driving member 33 is disposed on the second slide rail 36. The slide rail 36 forms a stable guiding path through its contact with the chute 13, enabling the telescopic rod 32 to move precisely in the left-right direction on the horizontal plane. Through the cooperation of the slide rail 36 and the chute 13, the left-right movement of the telescopic rod 32 is effectively constrained on a predetermined trajectory, reducing the possible shaking, deflection or instability of the telescopic rod 32 during the movement, thereby ensuring the smoothness and accuracy of the telescopic movement of the telescopic rod 32.

[0032] The present utility model also proposes a liquid crystal panel assembly platform, which includes a flip chip film picking device 1000. The specific structure of the flip chip film picking device 1000 refers to the above embodiments. Since this liquid crystal panel assembly platform adopts all the technical solutions of the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be elaborated one by one here.

[0033] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made under the inventive concept of the present utility model by using the content of the specification and drawings of the present utility model, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present utility model.

Claims

1. A flip-chip thin film picking device, characterized in that Comprising: A frame, the frame having a film-hooking station; A suction plate mechanism, the suction plate mechanism including suction cups, the suction cups being provided on the frame and being disposed close to the film-hooking station; and A film-hooking mechanism, the film-hooking mechanism including a telescopic driving member, a telescopic rod, a lifting driving member and a hook, the telescopic driving member being provided on one side of the frame facing the suction cups, the telescopic rod being provided at the output end of the telescopic driving member, the telescopic driving member being capable of driving the telescopic rod to move along a first linear direction; the lifting driving member being provided on the telescopic rod, the hook being provided at the output end of the lifting driving member, the lifting driving member being capable of driving the hook to move along a second linear direction; the second linear direction being disposed at an angle to the first linear direction.

2. The flip-chip thin film picking device according to claim 1, wherein The hook includes a connecting plate and at least two hook plates, the connecting plate connecting the output end of the lifting driving member; each of the hook plates is provided on one side of the connecting plate facing the film-hooking station, and the hook plates are respectively provided at both ends of the connecting plate.

3. The flip-chip film picking device according to claim 2, wherein, The film-hooking mechanism further includes an infrared sensor, the infrared sensor being provided on one side of one of the hook plates facing the film-hooking station and being electrically connected to the telescopic driving member and the lifting driving member.

4. The flip-chip thin film picking device according to claim 1, wherein, The suction plate mechanism includes at least four of the suction cups and a connecting column corresponding to each of the suction cups, the connecting columns being spaced apart on the frame, and each of the suction cups being provided at one end of a connecting column away from the frame.

5. The flip-chip thin film picking device according to claim 4, characterized in that, The telescopic driving member is provided at one end of the frame away from the film-hooking station, and the telescopic rod is located between the connecting columns.

6. The flip-chip thin film picking device according to claim 1, wherein, The suction plate mechanism includes a moving plate driving member, a moving plate and a plurality of suction cups, the moving plate driving member being provided on the frame, the moving plate being provided at the output end of the moving plate driving member, the moving plate driving member being configured to drive the moving plate to move closer to or away from the frame along a third linear direction; One of the suction cups is provided on the moving plate; the first linear direction, the second linear direction and the third linear direction are pairwise at an angle.

7. The flip-chip thin film picking device according to claim 6, characterized in that, The suction plate mechanism further includes a first slide rail, a first chute is formed on the frame, and the first slide rail is slidably connected to the groove wall of the first chute; the moving plate is provided on the first slide rail.

8. The flip-chip thin film picking device according to any one of claims 1 to 7, characterized in that The film-hooking mechanism further includes two support seats, both of the support seats being provided on the frame; the telescopic rod passes through the two support seats, one of the support seats being provided close to the telescopic driving member, and the other support seat being provided close to the film-hooking station.

9. The flip-chip thin film picking device according to any one of claims 1 to 7, characterized in that, The film-hooking mechanism further includes a second slide rail, a second chute is formed on the frame, and the second slide rail is slidably connected to the groove wall of the second chute; the lifting driving member is provided on the second slide rail.

10. A liquid crystal panel assembly platform, characterized in that, The liquid crystal panel assembly platform includes a workbench, a lifting mechanism and a flip chip film picking device according to any one of claims 1 to 9, the workbench having a loading station for carrying a substrate; the lifting mechanism is provided on the workbench and is capable of driving the frame to drive the suction cups to move closer to or away from the loading station.