Vacuum laminating clamp
By designing a vacuum bonding fixture, the vacuum structure is used to eliminate bubbles during bonding, the bubble problems in TFT and TP or plastic film bonding processes in smart cars are solved, and the bonding yield is significantly improved.
Patent Information
- Application Number
- CN202420515972.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-15
AI Technical Summary
In smart cars, there is bubble problem with the bonding process of TFT and TP or plastic film of dual or triple screens, resulting in low bond yield.
A vacuum fitting fixture is designed, through the size and shape design between the fixture and TFT, OCA and TP, combined with hollow grooves, threaded holes and sealing rings, forming a sealed vacuum structure. The fixture is placed in a vacuum state with a vacuum pump to eliminate air bubbles.
The bubbles generated during bonding are eliminated through the vacuum cavity, which significantly improves the bonding yield, making it more effective when the atmospheric pressure is applied to the product formation pressure.
Smart Images

Figure CN222628612U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of display screen clamps, in particular to a vacuum laminating clamp. Background Art
[0002] At present, with the rapid development of smart cars, more and more car computers are beginning to adopt dual or triple screens. Therefore, the bonding process of TFT and TP or plastic film is an issue that needs attention. Therefore, a vacuum bonding fixture is designed to make the atmospheric pressure form pressure on the product for bonding. At the same time, the vacuum of the vacuum chamber is used to eliminate the bubbles generated during bonding, so that the bonding yield is greatly increased. Utility Model Content
[0003] The utility model aims to overcome the shortcomings of the prior art and provide a vacuum laminating fixture.
[0004] The purpose of this utility model is achieved through the following technical solutions:
[0005] A vacuum bonding fixture comprises: a plastic film, a base plate, a TP, two OCAs and two TFTs; the plastic film is provided with a sealing plate; the base plate is provided with a fixture, the fixture is provided with a plurality of hollow grooves, a plurality of threaded holes are provided on one side of the fixture, and a sealing ring is provided in the fixture.
[0006] In one embodiment, the sealing plate and the plastic film are integrally formed, and the shape and size of the front side of the sealing plate are matched with the shape and size of the front side of the clamp.
[0007] In one embodiment, the length and width of the front side of the bottom plate match the length and width of the front side of the plastic film, and the bottom plate and the plastic film are sealed.
[0008] In one of the embodiments, the two TFTs are arranged on both sides of the top of the fixture, the two OCAs are arranged on the top of the two TFTs respectively, and a TP is arranged on the top of the OCA.
[0009] In one of the embodiments, the front face of the clamp is a shape formed by combining a rectangle and a trapezoid which is lower on the left and higher on the right, and the clamp is arranged at a position near the right side of the top of the base plate.
[0010] In one embodiment, the shapes of the two front faces of the TFTs are both rectangular, and the length and width of the two front faces of the TFTs match the length and width of the two rectangular front faces of the fixture.
[0011] In one embodiment, the hollow grooves are arranged horizontally, transversely and longitudinally at equal distances and staggered on the top of the clamp, and the height of the hollow groove body is between 5 mm and 15 mm.
[0012] In one embodiment, a plurality of threaded holes are arranged at equal distances on one side of the clamp, and each of the threaded holes is connected through the hollow groove longitudinally arranged in the clamp.
[0013] In one of the embodiments, a groove body for accommodating a sealing ring is disposed on the top of the fixture, and the length and width of the front side of the groove body are greater than the length and width of the front side of the TFT.
[0014] In one embodiment, the side of the threaded hole away from the clamp is connected to the vacuum device.
[0015] Compared with the prior art, the utility model has at least the following advantages:
[0016] The vacuum bonding fixture of the utility model can place the TFT, OCA and TP on the top of the fixture by designing the size and shape between the fixture and the TFT, OCA and TP. The hollow grooves, threaded holes and sealing rings provided on the fixture, in combination with the sealing plate designed on the plastic film, can place the TP, OCA and TFT between the fixture and the plastic film in a sealed structure. Meanwhile, the threaded holes are connected to an external hollow pump, and air can be quickly discharged through the strip grooves or air holes, so that the sealing structure between the fixture and the plastic film is in a vacuum state. Thus, the vacuum bonding fixture can achieve the purpose of bonding the product by applying atmospheric pressure to the product, and at the same time, the vacuum of the vacuum chamber can eliminate bubbles generated during bonding, thereby greatly increasing the bonding yield. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0018] Figure 1 It is a three-dimensional exploded structural schematic diagram of the vacuum laminating fixture of the utility model;
[0019] Figure 2 It is a front three-dimensional guarantee schematic diagram of the vacuum bonding fixture of the utility model.
[0020] In the figure: 1, plastic film; 11, sealing plate; 12, bottom plate; 13, TP; 14, sealing ring; 15, OCA; 16, TFT; 17, fixture; 171, threaded hole; 172, hollow groove. DETAILED DESCRIPTION
[0021] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.
[0022] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0023] Unless otherwise clearly stipulated and limited, terms such as "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements.
[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0025] like Figure 1-2As shown, a vacuum laminating fixture comprises: a plastic film 1, a bottom plate 12, a TP 13, two OCAs 15 and two TFTs 16; a plastic film 1, on which a sealing plate 11 is arranged; a bottom plate 12, on which a fixture 17 is arranged, on which a plurality of hollow grooves 172 are arranged, on one side of which a plurality of threaded holes 171 are arranged, and in which a sealing ring 14 is arranged. It should be noted that the plastic film 1 and the bottom plate 12 can form a sealed fixture, so that the product can be laminated by applying pressure to the product through atmospheric pressure, and the device needs to be used in conjunction with a vacuum device such as a vacuum pump or an air extraction pump when performing vacuum.
[0026] like Figure 1-2 As shown, in one embodiment, the sealing plate 11 is integrally formed with the plastic film 1, and the shape and size of the front side of the sealing plate 11 are adapted to the shape and size of the front side of the clamp 17. It should be noted that the sealing plate 11 protrudes toward the side away from the clamp 17, and the sealing plate 11 can cover the top of the clamp 17, thereby sealing the clamp 17.
[0027] like Figure 1-2 As shown, in one embodiment, the length and width of the front side of the bottom plate 12 match the length and width of the front side of the plastic film 1, and the bottom plate 12 is sealed and connected to the plastic film 1. It should be noted that a connecting groove is provided on the top of the bottom plate 12, and the connecting groove can match the shape and size of the plastic film 1, so that the plastic film 1 can be sealed and connected to it when inserted into the connecting groove.
[0028] like Figure 1-2 As shown in FIG. 1 , in one embodiment, two TFTs 16 are arranged on both sides of the top of the fixture 17, two OCAs 15 are arranged on the top of the two TFTs 16, and a TP 13 is arranged on the top of the OCA 15. It should be noted that the front of the TP 13 is a combination of two rectangles, and the rectangle on the left is rotated at a certain angle. The two TFTs 16 and the front of the two OCAs 15 have the same shape and size and are attached to each other.
[0029] like Figure 1-2 As shown, in one embodiment, the shape of the front side of the clamp 17 is a combination of a rectangle and a trapezoid that is lower on the left and higher on the right, and the clamp 17 is arranged at a position near the right side of the top of the base plate 12.
[0030] like Figure 1-2 As shown, in one embodiment, the front faces of the two TFTs 16 are both rectangular, and the length and width of the front faces of the two TFTs 16 match the length and width of the front faces of the two rectangular faces of the fixture 17. It should be noted that the fixture 17 is provided with a groove for placing the TFTs 16.
[0031] like Figure 1-2As shown, in one embodiment, the hollow grooves 172 are horizontally and longitudinally staggered at equal distances on the top of the fixture 17, and the height of the groove body of the hollow grooves 172 is between 5 mm and 15 mm. It should be noted that the hollow grooves 172 form a "field" - shaped slot on the top of the fixture 17.
[0032] As Figure 1-2 shown, in one embodiment, a number of threaded holes 171 are arranged at equal distances on one side of the fixture 17, and each threaded hole 171 is connected in a through - connection with the longitudinally arranged hollow groove 172 in the fixture 17. It should be noted that the threaded holes 171 are opened in an upward - inclined manner from left to right.
[0033] As Figure 1-2 shown, in one embodiment, a groove body for placing the sealing ring 14 is provided on the top of the fixture 17, and the length and width of the front surface in this groove body are greater than the length and width of the front surface of the TFT 16. It should be noted that the sealing ring 14 is placed in this groove body, so as to further ensure that there is no air leakage.
[0034] As Figure 1-2 shown, in one embodiment, the side of the threaded hole 171 away from the fixture 17 is connected in a through - connection with the vacuum device. It should be noted that this design can evacuate the fixture 17 to a vacuum state.
[0035] The above - described embodiments only represent several implementation manners of the present utility model. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.
Claims
1. A vacuum lamination fixture, characterized in that: include: Plastic film (1), base plate (12), TP (13), two OCAs (15) and two TFTs (16); A plastic film (1), wherein a sealing plate (11) is arranged on the plastic film (1); A base plate (12) is provided with a clamp (17) on the base plate (12), a plurality of hollow grooves (172) are provided on the clamp (17), a plurality of threaded holes (171) are provided on one side of the clamp (17), and a sealing ring (14) is provided in the clamp (17).
2. The vacuum lamination fixture according to claim 1, characterized in that: The sealing plate (11) and the plastic film (1) are integrally formed, and the shape and size of the front side of the sealing plate (11) are compatible with the shape and size of the front side of the clamp (17).
3. The vacuum lamination fixture according to claim 1, characterized in that: The length and width of the front side of the bottom plate (12) match the length and width of the front side of the plastic film (1), and the bottom plate (12) and the plastic film (1) are sealed and connected.
4. The vacuum lamination fixture according to claim 1, characterized in that: The two TFTs (16) are arranged on both sides of the top of the clamp (17), the two OCAs (15) are arranged on the top of the two TFTs (16) respectively, and the top of the OCA (15) is provided with a TP (13).
5. The vacuum lamination fixture according to claim 1, characterized in that: The front shape of the clamp (17) is a combination of a rectangle and a trapezoid that is lower on the left and higher on the right, and the clamp (17) is arranged at a position close to the right side of the top of the bottom plate (12).
6. The vacuum lamination fixture according to claim 1, characterized in that: The front faces of the two TFTs (16) are both rectangular in shape, and the length and width of the front faces of the two TFTs (16) match the length and width of the front faces of the two rectangular surfaces of the clamp (17).
7. The vacuum lamination fixture according to claim 1, characterized in that: The hollow grooves (172) are arranged horizontally, transversely and longitudinally at equal distances and staggered on the top of the clamp (17), and the height of the hollow grooves (172) is between 5 mm and 15 mm.
8. The vacuum lamination fixture according to claim 1, characterized in that: A plurality of threaded holes (171) are arranged at equal distances on one side of the clamp (17), and each of the threaded holes (171) is connected through a hollow groove (172) longitudinally arranged in the clamp (17).
9. The vacuum lamination fixture according to claim 1, characterized in that: The top of the clamp (17) is provided with a groove body for accommodating the sealing ring (14), and the length and width of the front side of the groove body are greater than the length and width of the front side of the TFT (16).
10. The vacuum lamination fixture according to claim 1, characterized in that: The side of the threaded hole (171) away from the clamp (17) is connected to the vacuum device.