Laminating equipment for manufacturing display module
By using an independently controlled linear drive mechanism and vacuum adsorption in the lamination equipment, air bubbles are effectively removed during the lamination process, improving product yield.
Patent Information
- Application Number
- CN202423065439.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-12
AI Technical Summary
Existing bonding equipment is prone to air bubbles when performing planar bonding under vacuum, which affects product yield.
An independently controlled linear drive mechanism is used to allow the upper and lower bonding plates to deform during bonding, first contacting each other in the middle and then gradually expelling air towards the edges. Vacuum adsorption and sealing devices ensure the removal of air bubbles during the bonding process.
It effectively reduces air bubbles during the bonding process and improves product yield.
Smart Images

Figure CN223526604U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to display mould technical field especially a kind of laminating equipment for display module manufacturing. BACKGROUND
[0002] In the manufacturing process of display module, multiple structural components need to be laminated using laminating equipment to ensure the close combination and overall performance between the layers of the module. The main structures that need to be laminated using laminating equipment include the lamination inside the liquid crystal module, which includes the lamination of liquid crystal panel and polarizing sheet, the lamination of CF layer (color filter) and TFT layer (thin film transistor layer); It also includes the lamination between backlight module and liquid crystal module, which includes the lamination of backlight module components.
[0003] The laminating equipment required for lamination needs to ensure the accurate alignment and close combination between the laminated structures, thereby improving the overall performance and reliability of the product. The existing laminating equipment generally laminates on a flat surface under vacuum, which requires a high vacuum degree of the cavity. Moreover, for products with high ink step difference, the laminated product often has large air bubbles, which is prone to the problem of air bubbles not falling, affecting the yield. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model provides a kind of laminating equipment for display module manufacturing, to prevent the existence of large air bubbles between laminated surfaces and improve product yield.
[0005] The technical scheme adopted by the utility model is as follows:
[0006] A kind of laminating equipment for display module manufacturing, including upper mobile seat and lower mobile seat, the first recessed cavity is formed in the lower side of the upper mobile seat, the first linear drive mechanism is arranged on the upper mobile seat, and the second linear drive mechanism is arranged on the both sides of the first linear drive mechanism, the output end of the first linear drive mechanism and the second linear drive mechanism is connected with the upper laminated plate, so that the upper laminated plate moves in the first recessed cavity;
[0007] The second recessed cavity is formed in the upper side of the lower mobile seat, the third linear drive mechanism is arranged on the lower mobile seat, and the fourth linear drive mechanism is arranged on the both sides of the third linear drive mechanism, the output end of the third linear drive mechanism and the fourth linear drive mechanism is connected with the lower laminated plate, so that the lower laminated plate moves in the second recessed cavity;
[0008] The upper mobile seat and the lower mobile seat are corresponding and can move relatively, when the upper mobile seat and the lower mobile seat move towards each other to butt joint, the first recessed cavity and the second recessed cavity form a sealed cavity.
[0009] Further technical scheme is:
[0010] The bottom surface of the upper laminating plate is provided with vacuum adsorption holes for adsorbing the to-be-laminated part.
[0011] The upper moving seat and / or the lower moving seat are provided with vacuum pipes, one end of the vacuum pipes being communicated with the sealing cavity and the other end being connected with a vacuum pump.
[0012] The upper laminating plate and the lower laminating plate are both of soft material.
[0013] The upper laminating plate is made of aluminum alloy plate with a thickness of 5-10mm.
[0014] The lower laminating plate is made of aluminum alloy plate with a thickness of 5-10mm.
[0015] The upper moving seat and the lower moving seat are provided with sealing devices at the upper and lower abutting positions, which are used for sealing the sealing cavity.
[0016] The upper end of the lower moving seat is provided with a sealing ring, and the lower end of the upper moving seat is provided with a sealing groove matched with the sealing ring.
[0017] The output end of the first linear driving mechanism is located at the center of the upper laminating plate, and the output ends of the second linear driving mechanisms on both sides are symmetrically arranged.
[0018] The output end of the third linear driving mechanism is located at the center of the lower laminating plate, and the output ends of the fourth linear driving mechanisms on both sides are symmetrically arranged.
[0019] Each linear driving mechanism is a linear motor or a cylinder.
[0020] The beneficial effects of the utility model are as follows:
[0021] The utility model discloses a linear driving mechanism of independent control is arranged, so that the upper laminating plate and the lower laminating plate can be deformed when laminating, so that the middle position of the to-be-laminated part is contacted first when laminating, then the both sides are contacted, air is slowly driven out from the middle to the edge until laminating is finished. The product laminated in this way has fewer air bubbles, and the yield of laminating is improved.
[0022] Other features and advantages of the utility model will be described in the subsequent description or be understood through the implementation of the utility model. DRAWINGS
[0023] Figure 1 It is the structure schematic diagram of the utility model embodiment.
[0024] Figure 2 It is the structure schematic diagram of the to-be-laminated product laminating state when the utility model embodiment works.
[0025] In the figure: 1, second linear drive mechanism; 2, first linear drive mechanism; 3, upper laminating plate; 4, upper moving seat; 5, lower moving seat; 6, third linear drive mechanism; 7, fourth linear drive mechanism; 8, sealing ring; 9, vacuum tube; 10, to be laminated piece A; 11, to be laminated piece B; 12, lower laminating plate; 13, sealing cavity; 41, sealing groove; 401, first concave cavity; 501, second concave cavity. DETAILED DESCRIPTION
[0026] The specific embodiment of the utility model is described below in combination with the drawings.
[0027] Referring to Figure 1 and Figure 2 , the display module of the embodiment is manufactured by using a laminating device, the upper moving seat 4 is formed with a first concave cavity 401 on the lower side, the upper moving seat 4 is provided with a first linear drive mechanism 2 and a second linear drive mechanism 1 located on both sides of the first linear drive mechanism 2, the output ends of the first linear drive mechanism 2 and the second linear drive mechanism 1 are connected with the upper laminating plate 3 at the same time, so that the upper laminating plate 3 moves in the first concave cavity 401.
[0028] The upper side of the lower moving seat 5 is formed with a second concave cavity 501, the lower moving seat 5 is provided with a third linear drive mechanism 6 and a fourth linear drive mechanism 7 located on both sides of the third linear drive mechanism 6, the output ends of the third linear drive mechanism 6 and the fourth linear drive mechanism 7 are connected with the lower laminating plate 12 at the same time, so that the lower laminating plate 12 moves in the second concave cavity 501.
[0029] The upper moving seat 4 and the lower moving seat 5 correspond to each other in up and down directions and can move relatively, when the upper moving seat 4 and the lower moving seat 5 move towards each other to butt joint in up and down directions, the first concave cavity 401 and the second concave cavity 501 are buckled to form a sealing cavity 13 as shown in Figure 2 .
[0030] The first linear drive mechanism 2 and the second linear drive mechanism 1 located on both sides of the first linear drive mechanism 2 of the embodiment are independent of each other, and are preferably linear motors or air cylinders.
[0031] The third linear drive mechanism 6 and the fourth linear drive mechanism 7 located on both sides of the third linear drive mechanism 6 of the embodiment are independent of each other, and are preferably linear motors or air cylinders.
[0032] As a specific embodiment, the bottom surface of the upper laminating plate 3 is provided with a vacuum adsorption hole for adsorbing the to-be-laminated piece A 10.
[0033] As a specific embodiment, the upper moving seat 4 and / or the lower moving seat 5 is provided with a vacuum pipe 9, one end of which is in communication with the sealed cavity, and the other end of which is connected with a vacuum pump. After the upper and lower moving seats are buckled, the sealed cavity can be vacuumized through the vacuum pipe 9.
[0034] As a specific embodiment, the upper moving seat 4 and the lower moving seat 5 are respectively connected with external driving mechanisms, and can move linearly towards or away from each other.
[0035] As a preferred embodiment, the upper laminating plate 3 and the lower laminating plate 12 are both of soft material.
[0036] As a preferred embodiment, the upper laminating plate 3 is made of aluminum alloy plate, and the thickness is 5-10 mm.
[0037] As a preferred embodiment, the lower laminating plate 12 is made of aluminum alloy plate, and the thickness is 5-10 mm.
[0038] As a preferred embodiment, the upper moving seat 4 and the lower moving seat 5 are provided with sealing devices at the upper and lower butt joint positions, which are used for sealing the sealed cavity.
[0039] Specifically, the sealing device comprises a sealing ring 8 arranged at the upper end of the lower moving seat 5, and a sealing groove 41 arranged at the lower end of the upper moving seat 4 and matched with the sealing ring 8.
[0040] As a preferred embodiment, the output end of the first linear driving mechanism 2 is located at the center of the upper laminating plate 3, and the output ends of the second linear driving mechanisms 1 on both sides are symmetrically arranged at the edges of the upper laminating plate 3.
[0041] The output end of the third linear driving mechanism 6 is located at the center of the lower laminating plate 12, and the output ends of the fourth linear driving mechanisms 7 on both sides are symmetrically arranged at the edges of the lower laminating plate 12.
[0042] The working process of the laminating device of the embodiment is as follows:
[0043] (1) The to-be-laminated piece A 10 is adsorbed on the upper laminating plate 3, and the to-be-laminated piece B 11 is placed on the lower laminating plate 12;
[0044] (2) The upper moving seat 4 and the lower moving seat 5 move towards each other, and after butt joint, the first concave cavity 401 and the second concave cavity 501 are buckled to form a sealed cavity 13;
[0045] (3) The sealed cavity 13 is vacuumized through the vacuum pipe 9, so as to form a certain vacuum degree in the sealed cavity 13;
[0046] (4) The output ends of the first linear driving mechanism 2 and the second linear driving mechanism 1 are adjusted to move downward synchronously, the upper laminating plate 3 is driven to move downward, and the to-be-laminated piece A 10 is close to the to-be-laminated piece B 11;
[0047] (5) Then the first linear drive mechanism 2 and the second linear drive mechanism 1 start to work independently, in order to achieve the purpose of "chasing bubbles" when laminating, the output end of the first linear drive mechanism 2 moves downward first and the second linear drive mechanism 1 remains stationary, drives the middle part of the upper laminating plate 3 to move downward, the whole upper laminating plate 3 is deformed downward, so that the to-be-laminated part A 10 is deformed downward; at the same time, the third linear drive mechanism 6 and the fourth linear drive mechanism 7 start to work independently, in order to achieve the purpose of "chasing bubbles" when laminating, the output end of the third linear drive mechanism 6 moves upward first, drives the middle part of the lower laminating plate 12 to move upward, the whole lower laminating plate 12 is deformed upward, so that the to-be-laminated part B 11 is deformed upward and contacts with the part of the to-be-laminated part A 10 deformed downward, that is, the middle parts of the two are laminated first;
[0048] (6) The output end of the second linear drive mechanism 1 moves downward, at the same time, the fourth linear drive mechanism 7 moves upward, so that the two sides of the upper laminating plate 3 move downward and the two sides of the lower laminating plate 12 move upward, and then the two sides of the to-be-laminated part A 10 start to laminate with the two sides of the to-be-laminated part B 11, the air between the laminated surfaces can be chased out from the middle to the two sides, finally the upper and lower laminating plates are deformed to recover, and the two sides of the to-be-laminated part A 10 also recover the deformation and realize the gluing at the same time. During the laminating process, the vacuum pipe 9 continuously sucks the vacuum to ensure that the bubbles are smoothly discharged, and the laminating quality and efficiency are improved.
[0049] Those skilled in the art can understand that the above only describes the preferred embodiments of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A display module manufacturing apparatus using a bonding device, characterized by comprising: The upper moving seat (4) is provided with a first linear driving mechanism (2) and a second linear driving mechanism (1) located on both sides of the first linear driving mechanism (2), and the output ends of the first linear driving mechanism (2) and the second linear driving mechanism (1) are connected with the upper laminating plate (3) to move the upper laminating plate (3) in the first recess (401); The lower moving seat (5) is provided with a third linear driving mechanism (6) and a fourth linear driving mechanism (7) located on both sides of the third linear driving mechanism (6), and the output ends of the third linear driving mechanism (6) and the fourth linear driving mechanism (7) are connected with the lower laminating plate (12) to move the lower laminating plate (12) in the second recess (501); The upper moving seat (4) and the lower moving seat (5) are correspondingly arranged and can move relative to each other, and when the upper moving seat (4) and the lower moving seat (5) move towards each other to be in butt joint, the first recess (401) and the second recess (501) are buckled to form a sealed cavity (13).
2. The display module manufacturing apparatus according to claim 1, wherein The bottom surface of the upper laminating plate (3) is provided with a vacuum suction hole for adsorbing a to-be-laminated part.
3. The display module manufacturing apparatus according to claim 1, wherein The upper moving seat (4) and / or the lower moving seat (5) is provided with a vacuum pipe (9) which is in communication with the sealed cavity (13) at one end and is connected with a vacuum pump at the other end.
4. The display module manufacturing apparatus according to claim 1, wherein The upper laminating plate (3) and the lower laminating plate (12) are made of soft material.
5. The display module manufacturing apparatus according to claim 1, wherein The upper laminating plate (3) is made of an aluminum alloy plate with a thickness of 5-10 mm.
6. The display module manufacturing apparatus according to claim 1, wherein The lower laminating plate (12) is made of an aluminum alloy plate with a thickness of 5-10 mm.
7. The display module manufacturing apparatus according to claim 1, wherein The upper moving seat (4) and the lower moving seat (5) are provided with a sealing device at the butt joint position for sealing the sealed cavity (13).
8. The display module manufacturing apparatus according to claim 7, wherein The upper end of the lower moving seat (5) is provided with a sealing ring (8), and the lower end of the upper moving seat (4) is provided with a sealing groove (41) matched with the sealing ring (8).
9. The display module manufacturing apparatus according to claim 1, wherein The output end of the first linear driving mechanism (2) is located at the center of the upper laminating plate (3), and the output ends of the second linear driving mechanisms (1) located on both sides are symmetrically arranged. The output end of the third linear driving mechanism (6) is located at the center of the lower laminating plate (12), and the output ends of the fourth linear driving mechanisms (7) located on both sides are symmetrically arranged.
10. The display module manufacturing apparatus according to claim 1, wherein Each linear driving mechanism is a linear motor or a cylinder.