Alignment device

By combining an integrated lens tube prism with a light source in the shooting and moving unit, the high cost and low precision issues caused by multiple cameras in the bonding process of display panels are solved, achieving efficient and low-cost alignment and positioning.

CN223637800UActive Publication Date: 2025-12-05ZHEJIANG SEMIPEAK TECH CO LTD
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Patent Information

Application Number
CN202422879533.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-12-05
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

In the bonding process of display panels, existing technologies require four sets of cameras to align the substrate and the target component, resulting in a large structure, high cost, inconvenient installation, and insufficient accuracy.

Method used

The first and second imaging units, which combine an integrated lens tube prism with a light source, use two sets of cameras to capture images of the left and right marked points on the substrate and the target. Combined with a moving unit, precise positioning is achieved, reducing the number of cameras and space occupation.

Benefits of technology

It achieves high-precision positioning, reduces costs and space requirements, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223637800U_ABST
    Figure CN223637800U_ABST
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Abstract

The utility model discloses an alignment device which comprises a substrate, a target piece, a first shooting unit for shooting mark points on the left sides of the substrate and the target piece, a second shooting unit for shooting mark points on the right sides of the substrate and the target piece, and a moving unit for bearing the first shooting unit and the second shooting unit and moving in the transverse direction, the longitudinal direction and the vertical direction. The first lens tube prism is connected with an integrated first lens tube prism through a first camera, and is provided with a first upper light source and a first lower light source; and the second camera is connected with an integrated second lens tube prism and is provided with a second upper light source and a second lower light source, so that left and right mark points of the substrate and the target piece can be shot to finish alignment. The distance between the first shooting unit and the second shooting unit is short, only two sets of cameras are needed, space and cost are saved, the first shooting unit shoots the left side mark point, the second shooting unit shoots the right side mark point, and the alignment precision is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to display panel bonding technical field, especially relate to a alignment device. BACKGROUND

[0002] In the bonding process of the display panel, the substrate and the target piece need to be aligned, and compensation correction is carried out after alignment. When multiple targets need to be photographed, multiple cameras must be set, which not only increases the cost, occupies a large space, affects the layout and use of the whole device, but also reduces the production efficiency and precision. SUMMARY

[0003] The utility model provides a alignment device to solve the technical problem of the prior art that four cameras are needed to align the substrate and the target piece in the bonding process of the display panel, the structure is large, the precision is not high, the cost is high, and the installation is not convenient.

[0004] To solve the above problems, the utility model adopts the technical scheme of:

[0005] The utility model provides a alignment device, which comprises a substrate and a target piece, a first shooting unit for shooting mark points on the left side of the substrate and the target piece, a second shooting unit for shooting mark points on the right side of the substrate and the target piece, and a moving unit for carrying the first shooting unit and the second shooting unit to move in the horizontal, vertical and perpendicular directions.

[0006] Further, the first shooting unit comprises a first shooting part, the first shooting part comprises a first camera and a first mirror tube prism connected with the first camera, a first upper light source is arranged above the first mirror tube prism, and a first lower light source is arranged below the first mirror tube prism.

[0007] Preferably, the first shooting unit comprises a first mounting part for mounting the first shooting part, the first mounting part comprises a first mounting block and a first pressing plate, the first mounting block is arranged below the first mirror tube prism, the first pressing plate is arranged above the first mounting block, and the first mounting block and the first pressing plate are arranged outside the first mirror tube prism in a sleeved manner; a first mounting plate is arranged on the first pressing plate, a first upper light source is fixed on the first mounting plate, a second mounting plate is arranged on the first mounting block, and a first lower light source is fixed on the second mounting plate.

[0008] Further, the second shooting unit comprises a second shooting part, the second shooting part comprises a second camera and a second mirror tube prism connected with the second camera, a second upper light source is arranged above the second mirror tube prism, and a second lower light source is arranged below the second mirror tube prism.

[0009] Preferably, the second shooting unit comprises a second mounting part mounting the second shooting part, the second mounting part comprises a second mounting block mounting the second mirror tube prism and a second pressing plate, the second mounting block is arranged below the second mirror tube prism, the second pressing plate is arranged above the second mounting block, and the second mounting block and the second pressing plate are arranged outside the second mirror tube prism in cooperation; the third mounting plate is arranged on the second pressing plate, the second upper light source is fixed on the third mounting plate, the fourth mounting plate is arranged on the second mounting block, and the second lower light source is fixed on the fourth mounting plate.

[0010] Further, the moving unit comprises a bracket, the bracket is provided with a first moving piece moving in the longitudinal direction, a sliding block assisting in moving is arranged beside the first moving piece, the upper surfaces of the first moving piece and the sliding block are at the same height, the fifth mounting plate is arranged on the first moving piece and the sliding block, two groups of second moving pieces moving in the transverse direction are arranged on the fifth mounting plate, the third moving piece moving in the vertical direction is arranged on each second moving piece, and the first mounting block and the second mounting block are fixed on the third moving piece.

[0011] Preferably, the first upper light source, the second upper light source, the first lower light source and the second lower light source are U-shaped or ring-shaped.

[0012] Preferably, the first upper light source can be turned on only simultaneously with the first lower light source, and the second upper light source can be turned on only simultaneously with the second lower light source.

[0013] Preferably, the first mirror tube prism and the second mirror tube prism are integrated structures.

[0014] Compared with the prior art, the alignment device has the following beneficial effects:

[0015] The alignment device comprises a first camera, a first mirror tube prism, a first upper light source, a first lower light source, a second camera, a second mirror tube prism, a second upper light source and a second lower light source. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the present application, the following will be described in detail in combination with embodiments and drawings, and it should be understood that the drawings described below are only some embodiments of the present application, and those skilled in the art can change the drawings under the concept of the present application.

[0017] Figure 1 The assembly perspective view of the alignment device provided by the present application is shown in the figure.

[0018] Figure 2 An assembly perspective view of the first shooting unit, the second shooting unit, and the partial moving unit provided by this utility model.

[0019] 1. First shooting unit; 11. First mounting part; 111. First mounting block; 112. Second mounting plate; 113. First pressure plate; 114. First mounting plate; 12. First shooting part; 121. First camera; 122. First lens tube prism; 123. First upper light source; 124. First lower light source; 2. Second shooting unit; 21. Second mounting part; 211. Second mounting block; 212. Fourth mounting plate; 213. Second pressure plate; 214. Third mounting plate; 22. Second shooting part; 221. Second camera; 222. Second lens tube prism; 223. Second upper light source; 224. Second lower light source; 3. Moving unit; 31. Support; 32. First moving component; 33. Slider; 34. Fifth mounting plate; 35. Second moving component; 36. Third moving component. Detailed Implementation

[0020] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Similar component reference numerals in the drawings represent similar components. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0021] See details Figures 1-2 As shown, this utility model discloses an alignment device, including a substrate and a target, a first imaging unit 1 for imaging the left side marking point of the substrate and the target, a second imaging unit 2 for imaging the right side marking point of the substrate and the target, and a moving unit 3 that carries the first imaging unit 1 and the second imaging unit 2 and moves along the horizontal (X direction), the vertical (Y direction), and the vertical (Z direction). The first imaging unit 1 and the second imaging unit 2 are symmetrically arranged, and can be symmetrical in the X direction or the Y direction.

[0022] Among them, see Figure 1As shown, the mobile unit 3 comprises a support 31, a first moving piece 32 is arranged on the support 31 and moves along the Y direction, a slider 33 is arranged beside the first moving piece 32 and moves as an auxiliary, the upper surface of the first moving piece 32 and the slider 33 are at the same height, a fifth mounting plate 34 is arranged on the first moving piece 32 and the slider 33, two second moving pieces 35 moving along the X direction are arranged on the fifth mounting plate 34, a third moving piece 36 moving along the Z direction is arranged on each second moving piece 35, and a first mounting block 111 and a second mounting block 211 are fixed on the third moving piece 36; the second moving piece 35 can be an x-direction platform, the third moving piece 36 can be a Z-direction platform, and the first moving piece 32 can be a linear module; the first moving piece 32 drives the first shooting part and the second shooting part to move along the Y direction synchronously, the two second moving pieces 35 drive the first shooting part 12 and the second shooting part 22 to move along the X direction independently, and each third moving piece 36 arranged on the second moving piece 35 drives the first shooting part 12 and the second shooting part 22 to move along the Z direction independently. When a new model of substrate is used, the first moving piece 32, the second moving piece 35 and the third moving piece 36 are used to adjust the distance between the substrate and the target piece, and after the adjustment is completed, the same model of substrate can be continuously used.

[0023] Please refer to Figure 1 In the embodiment, the first shooting unit 1 comprises a first shooting part 12, the first shooting part 12 comprises a first camera 121, a first mirror tube prism 122 connected with the first camera 121, a first upper light source 123 arranged above the first mirror tube prism 122, a first lower light source 124 arranged below the first mirror tube prism 122, and the first mirror tube prism 122 is integrated.

[0024] The second shooting unit 2 comprises a second shooting part 22, the second shooting part 22 comprises a second camera 221, a second mirror tube prism 222 connected with the second camera 221, a second upper light source 223 arranged above the second mirror tube prism 222, a second lower light source 224 arranged below the second mirror tube prism 222, and the second mirror tube prism 222 is integrated. The first upper light source 123, the second upper light source 223, the first lower light source 124 and the second lower light source 224 can be U-shaped or ring-shaped light sources.

[0025] The first shooting unit 12 and the second shooting unit 22 are arranged above the substrate and below the target piece. When shooting the left and right mark positions of the substrate, the first lower light source 124 and the second lower light source 224 are turned on, the first upper light source 123 and the second upper light source 223 are turned off, the light reflected by the left mark position of the substrate is imaged in the first camera 121 through the first mirror tube prism 122, and the light reflected by the right mark position of the substrate is imaged in the second camera 221 through the second mirror tube prism 222. When shooting the left and right mark positions of the target piece, the first upper light source 123 and the second upper light source 223 are turned on, the first lower light source 124 and the second lower light source 224 are turned off, the light reflected by the left mark position of the target piece is imaged in the first camera 121 through the first mirror tube prism 122, and the light reflected by the right mark position of the target piece is imaged in the second camera 221 through the second mirror tube prism 222. Through the first shooting unit 12 and the second shooting unit 22, the shooting of the substrate and the target piece arranged above and below is effectively realized, that is, the two groups of cameras can complete the alignment shooting, and the distance between the first shooting unit 12 and the second shooting unit 22 can be reduced to less than 4 mm, the light path only needs to be turned once, the cost is saved, a smaller space is occupied, and the production efficiency and precision are improved.

[0026] Please refer to Figure 2 In the embodiment, the first shooting unit 1 includes a first mounting portion 11 mounting the first shooting unit 12. The first mounting portion 11 includes a first mounting block 111 mounting the first mirror tube prism 122 and a first pressing plate 113. The first mounting block 111 is arranged below the first mirror tube prism 122, and the first pressing plate 113 is arranged above the first mounting block 111. The first mounting block 111 and the first pressing plate 113 are cooperatively sleeved on the first mirror tube prism 122. The first pressing plate 113 is provided with a first mounting plate 114. The first upper light source 123 is fixed on the first mounting plate 114. The first mounting block 111 is provided with a second mounting plate 112. The first lower light source 124 is fixed on the second mounting plate 112.

[0027] The second shooting unit 2 includes a second mounting portion 21 mounting the second shooting unit 22. The second mounting portion 21 includes a second mounting block 211 mounting the second mirror tube prism 222 and a second pressing plate 213. The second mounting block 211 is arranged below the second mirror tube prism 222, and the second pressing plate 213 is arranged above the second mounting block 211. The second mounting block 211 and the second pressing plate 213 are cooperatively sleeved on the second mirror tube prism 222. The second pressing plate 213 is provided with a third mounting plate 214. The second upper light source 223 is fixed on the third mounting plate 214. The second mounting block 211 is provided with a fourth mounting plate 212. The second lower light source 224 is fixed on the fourth mounting plate 212.

[0028] By fixing the first mounting block 111 and the second mounting block 211 with the two third moving pieces 36 respectively, placing the first mirror tube prism 122 and the second mirror tube prism 222 on the mounting positions of the first mounting block 111 and the second mounting block 211 respectively, and then fixing the first pressing plate 113 and the second pressing plate 213 on the mounting positions of the first mounting block 111 and the second mounting block 211 respectively, the first mirror tube prism 122 and the second mirror tube prism 222 can be clamped and fixed respectively. Thus, by the first mounting part 11 and the second mounting part 21, the first shooting part 12 and the second shooting part 22 can be quickly fixed on the third moving piece 36, and quick disassembly is realized.

[0029] The above is the specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An aligning device, characterized by, The device comprises a substrate and a target, a first shooting unit for shooting the left mark points of the substrate and the target, a second shooting unit for shooting the right mark points of the substrate and the target, a moving unit for carrying the first and second shooting units and moving in the horizontal, vertical and perpendicular directions, and the first and second shooting units are symmetrically arranged. The first shooting unit comprises a first shooting part, the first shooting part comprises a first camera, a first mirror tube prism connected with the first camera, a first upper light source arranged above the first mirror tube prism, and a first lower light source arranged below the first mirror tube prism. The second shooting unit comprises a second shooting part, the second shooting part comprises a second camera, a second mirror tube prism connected with the second camera, a second upper light source arranged above the second mirror tube prism, and a second lower light source arranged below the second mirror tube prism.

2. The alignment apparatus of claim 1, wherein The first shooting unit comprises a first mounting part for mounting the first shooting part, the first mounting part comprises a first mounting block for mounting the first mirror tube prism and a first pressing plate, the first mounting block is arranged below the first mirror tube prism, the first pressing plate is arranged above the first mounting block, and the first mounting block and the first pressing plate are cooperatively sleeved on the first mirror tube prism; a first mounting plate is arranged on the first pressing plate, the first upper light source is fixed on the first mounting plate, a second mounting plate is arranged on the first mounting block, and the first lower light source is fixed on the second mounting plate.

3. The alignment apparatus of claim 2, wherein The second shooting unit comprises a second mounting part for mounting the second shooting part, the second mounting part comprises a second mounting block for mounting the second mirror tube prism and a second pressing plate, the second mounting block is arranged below the second mirror tube prism, the second pressing plate is arranged above the second mounting block, and the second mounting block and the second pressing plate are cooperatively sleeved on the second mirror tube prism; a third mounting plate is arranged on the second pressing plate, the second upper light source is fixed on the third mounting plate, a fourth mounting plate is arranged on the second mounting block, and the second lower light source is fixed on the fourth mounting plate.

4. The alignment apparatus of claim 3, wherein The moving unit comprises a support, a first moving part for moving in the vertical direction is arranged on the support, a sliding block for auxiliary movement is arranged beside the first moving part, the upper surfaces of the first moving part and the sliding block are at the same height, a fifth mounting plate is arranged on the first moving part and the sliding block, two groups of second moving parts for moving in the horizontal direction are arranged on the fifth mounting plate, a third moving part for moving in the perpendicular direction is arranged on each second moving part, and the first mounting block and the second mounting block are fixed on the third moving part.

5. The alignment apparatus of claim 1, wherein The first upper light source, the second upper light source, the first lower light source and the second lower light source are U-shaped or ring-shaped.

6. The alignment apparatus of claim 1, wherein When the first upper light source and the second upper light source are turned on, the first lower light source and the second lower light source are in the off state; when the first lower light source and the second lower light source are turned on, the first upper light source and the second upper light source are in the off state.

7. The alignment apparatus of claim 1 wherein, The first shooting part and the second shooting part are arranged above the substrate and below the target.

8. The alignment apparatus of claim 1, wherein The first mirror tube prism and the second mirror tube prism are integrated. The first mirror tube prism and the second mirror tube prism are integrated.