Laminating jig for LCD (liquid crystal display) screen

Through the combined structure of frame body, press plate assembly and pulley assembly, the problem of low bonding accuracy of LCD display display module and backlight module is solved, high-precision bonding effect is achieved, and production and transportation costs are reduced.

CN223308504UActive Publication Date: 2025-09-05SHENZHEN TONGGAO OPTOELECTRONICS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422330463.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-09-05
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

During the bonding process, the existing LCD display modules and backlight modules have low fitting accuracy, which affects the screen quality.

Method used

The combined structure of the frame body, press plate assembly, display module placement table, backlight module placement plate and pulley assembly is adopted to achieve accurate fit between the display module and the backlight module through the slide bar and gear system, and provide uniform pressure through the pulley assembly to ensure the accuracy and uniformity of the bonding process.

Benefits of technology

Improve the fitting accuracy of the display module and the backlight module, ensure the quality of the screen, and at the same time, the structure is simple, easy to disassemble and assembly, and reduce production and transportation costs.

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Abstract

The utility model discloses an LCD (Liquid Crystal Display) screen fitting jig. The LCD screen fitting jig comprises a frame body, a pressing plate assembly, a display module placing table, a backlight module placing plate and a pulley assembly, a sliding rod and a vertical plate in the frame body are arranged on the rear side of the base, and a pulley assembly mounting shell is arranged on the left side and / or the right side of the base; a pressing plate in the pressing plate assembly is arranged on the sliding rod in a sleeving mode, a toothed rail is arranged on the pressing plate, a gear in the pressing plate assembly is installed at one end of an operating handle and connected with the toothed rail, and the gear and the operating handle are installed on the vertical plate. The display module placing table and the backlight module placing plate are also arranged on the sliding rods in a sleeving mode, the backlight module placing plate is arranged above the base, and the display module placing table is arranged between the pressing plate assembly and the backlight module placing plate; the display module placing table and the backlight module placing plate are connected through a pulley assembly, and the pulley assembly is mounted in a pulley assembly mounting shell. According to the utility model, the condition that the jig is not matched with the display module and the backlight module can be improved, and the fitting precision is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of LCD display screen processing, in particular to an LCD display screen laminating jig. Background Art

[0002] An LCD display is a flat, ultra-thin display device that consists of a certain number of color or black and white pixels and is placed in front of a light source or a reflective surface. LCD displays have very low power consumption and are suitable for battery-powered electronic devices. Existing LCD displays are made up of a display module and a backlight module that are bonded together. The quality of an LCD display is not only determined by the material of the display module and the backlight module themselves, but also by the accuracy of the bonding between the display module and the backlight module. Currently, the bonding between the display module and the backlight module of an LCD display is fixed by a jig. However, due to problems with processing accuracy, the jig may not match the display module and the backlight module, resulting in low bonding accuracy and affecting the quality of the screen. Utility Model Content

[0003] The purpose of this utility model is to provide an LCD display screen lamination jig to improve the mismatch between the jig and the display module and backlight module, and to improve the lamination accuracy. To achieve the above purpose, this utility model adopts the following technical solutions:

[0004] The utility model discloses an LCD display screen laminating jig, which comprises a frame, a pressing plate assembly, a display module placement platform, a backlight module placement plate and a pulley assembly.

[0005] The frame includes: a base, a sliding rod, a vertical plate and a pulley assembly mounting shell, the sliding rod and the vertical plate are arranged on the rear side of the base, and the pulley assembly mounting shell is arranged on the left side and / or right side of the base.

[0006] The pressure plate assembly includes: a pressure plate, a gear and an operating handle. The pressure plate is mounted on the slide rod and a rack is provided on the pressure plate. The gear is installed at one end of the operating handle and connected to the rack. The gear and the operating handle are installed on the vertical plate.

[0007] The display module placement platform and the backlight module placement plate are also mounted on the slide bar. The backlight module placement plate is disposed above the base, and the display module placement platform is disposed between the pressure plate assembly and the backlight module placement plate. The display module placement platform and the backlight module placement plate are connected via the pulley assembly, which is mounted within the pulley assembly mounting housing.

[0008] Furthermore, the base is provided with at least one first extension portion on the rear side thereof, the first extension portion is provided with a first slide bar mounting hole, and one end of the slide bar is fixedly mounted in the first slide bar mounting hole.

[0009] Furthermore, the pressure plate is provided with at least one second extension portion on its rear side, and a second slide bar mounting hole is provided on the second extension portion, and the pressure plate is mounted on the slide bar through the second slide bar mounting hole.

[0010] The pressing plate is further provided with an L-shaped third extension portion at its rear side, one end of the horizontal portion of the third extension portion is connected to the pressing plate, and the rack is provided at the vertical portion of the third extension portion.

[0011] Furthermore, the display module placement platform is provided with at least one fourth extension portion on its rear side, and a third slide bar mounting hole is provided on the fourth extension portion, and the display module placement platform is mounted on the slide bar through the third slide bar mounting hole.

[0012] Wherein, the display module placement platform is also provided with a backlight module fitting notch.

[0013] Preferably, the display module placement platform is provided with a metal pin placement groove on its upper surface.

[0014] Furthermore, the backlight module placement plate is provided with at least one fifth extension portion on its rear side, the fifth extension portion is provided with a fourth slide bar mounting hole, and the backlight module placement plate is mounted on the slide bar through the fourth slide bar mounting hole.

[0015] Furthermore, the display module placement platform and the backlight module placement plate are provided with a first traction rope installation portion or a second traction rope installation portion on the left side and / or right side thereof.

[0016] The pulley assembly includes: a pulley and a traction rope, the pulley is installed in the pulley assembly installation shell, the traction rope passes around the pulley, one end of the traction rope is connected to the first traction rope installation part, and the other end is connected to the second traction rope installation part.

[0017] In some other embodiments, magnets are provided on the upper surface of the base and the lower surface of the backlight module placement plate. When in a non-operating state, the backlight module placement plate is magnetically connected to the base.

[0018] After adopting the above technical solution, the utility model has the following effects:

[0019] 1. The present invention provides a fixed slide bar so that the display module and the backlight module of the LCD display screen are fitted along a fixed motion trajectory, thereby improving the accuracy of the fitting between the display module and the backlight module.

[0020] 2. The utility model adopts a pressure plate assembly and a pulley assembly, so that the display module and the backlight module of the LCD display screen can be subjected to pressure from the upper and lower layers at the same time during the bonding operation, thereby making the force on the display module and the backlight module more uniform and the bonding more complete.

[0021] 3. The utility model has a simple structure and is easy to disassemble and assemble, which can reduce the cost of producing and transporting LCD display screen lamination jigs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is the first state diagram of the present utility model.

[0023] Figure 2 This is the second state diagram of the present invention.

[0024] Figure 3 This is a third state diagram of the present invention.

[0025] Figure 4 It is a three-dimensional structural diagram of the utility model.

[0026] Figure 5 It is a three-dimensional structural diagram of the pressing plate assembly of the utility model.

[0027] Figure 6 for Figure 5 Enlarged view of point A.

[0028] Figure 7 This is a three-dimensional structural diagram of the display module placement platform of the present invention.

[0029] Figure 8 It is a three-dimensional structural diagram of the frame of the utility model.

[0030] Main component symbols:

[0031] 1: Frame, 11: Base, 111: First extension, 112: First slide bar mounting hole, 12: Slide bar, 13: Vertical plate, 14: Pulley assembly mounting shell, 2: Pressing plate assembly, 21: Pressing plate, 211: Second extension, 212: Second slide bar mounting hole, 213: Third extension, 214: Rack, 22: Gear, 23: Operating handle, 3: Display module placement platform, 31: Metal pin placement groove, 32: Backlight module fitting notch, 33: Fourth extension, 34: Third slide bar mounting hole, 35: First traction rope mounting portion, 4: Backlight module placement plate, 41: Fifth extension, 42: Fourth slide bar mounting hole, 43: Second traction rope mounting portion, 5: Pulley assembly, 51: Pulley, 52: Traction rope, 6: Display module, 7: Backlight module. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0033] like Figure 1 and Figure 4 As shown, the utility model discloses an LCD display screen laminating jig, comprising: a frame 1, a pressing plate assembly 2, a display module placement platform 3, a backlight module placement plate 4 and a pulley assembly 5.

[0034] Combine Figure 8 The frame 1 includes: a base 11, a sliding rod 12, a vertical plate 13 and a pulley assembly mounting shell 14. The sliding rod 12 and the vertical plate 13 are arranged on the rear side of the base 11, and the pulley assembly mounting shell 14 is arranged on the left and / or right side of the base 11.

[0035] In this embodiment, the base 11 is provided with two first extensions 111 on its rear side. Each of the first extensions 111 is provided with a first slide bar mounting hole 112. One end of the slide bar 12 is fixedly mounted within the first slide bar mounting hole 112. Furthermore, the backlight module placement plate 4 is disposed above the base 11, and the display module placement platform 3 is disposed between the pressure plate assembly 2 and the backlight module placement plate 4.

[0036] like Figure 5 and Figure 6 As shown, the pressure plate assembly 2 includes: a pressure plate 21, a gear 22 and an operating handle 23. The pressure plate 21 is mounted on the slide rod 22, and a rack 214 is provided on the pressure plate 21. The gear 22 is installed at one end of the operating handle 23 and is connected to the rack 214. The gear 22 and the operating handle 23 are installed on the vertical plate 13.

[0037] In this embodiment, the pressure plate 21 is provided with two second extensions 211 on its rear side. The second extensions 211 are provided with second slide bar mounting holes 212. The pressure plate 21 is mounted on the slide bar 12 through the second slide bar mounting holes 212. In addition, the pressure plate 21 is provided with an L-shaped third extension 213 on its rear side. One end of the horizontal portion of the third extension 213 is connected to the pressure plate 21, and a rack 214 is provided on the vertical portion of the third extension 213.

[0038] like Figure 4 As shown, the display module placement platform 3 and the backlight module placement plate 4 are also mounted on the slide rod 12, and the display module placement platform 3 and the backlight module placement plate 4 are connected through a pulley assembly 5, and the pulley assembly 5 is installed in the pulley assembly installation shell 14.

[0039] In this embodiment, the display module placement platform 3 is provided with two fourth extensions 31 on its rear side. The fourth extensions 31 are provided with third slide bar mounting holes 32. The display module placement platform 3 is mounted on the slide bar 12 through the third slide bar mounting holes 32. The backlight module placement plate 4 is also provided with two fifth extensions 41 on its rear side. The fifth extensions 41 are provided with fourth slide bar mounting holes 42. The backlight module placement plate 4 is mounted on the slide bar 12 through the fourth slide bar mounting holes 42.

[0040] In addition, in this embodiment, the display module placement platform 3 and the backlight module placement plate 4 are provided with a first traction rope mounting portion 35 or a second traction rope mounting portion 43 on their left and right sides. The pulley assembly 5 includes a pulley 51 and a traction rope 52. The pulley 51 is mounted in the pulley assembly mounting housing 14. The traction rope 52 passes around the pulley 51 and is connected to the first traction rope mounting portion 35 at one end and to the second traction rope mounting portion 43 at the other end.

[0041] like Figure 7 As shown, the display module placement platform 3 is further provided with a backlight module fitting notch 32 , and the display module placement platform 3 is provided with a metal pin placement groove 31 on its upper surface.

[0042] In other embodiments, magnets (not shown) are further provided on the upper surface of the base 11 and the lower surface of the backlight module placement plate 4 . In the non-operating state, the backlight module placement plate 4 is magnetically connected to the base 11 .

[0043] like Figure 1 、 Figure 2 and Figure 3 As shown, the operating principle of this LCD display screen laminating jig is as follows: Before the laminating operation, the display module 6 of the LCD display screen is placed on the display module placement table 3, and the backlight module 7 is placed on the backlight module placement plate 4. During the laminating operation, the gear 22 is rotated by the operating handle 23. Because the gear 22 is fixed, the pressure plate 21 provided with the rack 214 moves downward along the slide bar 12 under the action of the gear 22 and the rack 214. The display module placement table 3, on which the display module 6 is placed, also moves downward under the pressure of the pressure plate 21. The backlight module placement plate 4 moves upward under the action of the pulley assembly 5. The backlight module 7 on the backlight module placement plate 4 enters the backlight module laminating notch 32 and is laminated with the display module 6. After the lamination operation is completed, the operating handle 23 is pushed back to its original position, and the pressing plate 21, the display module placement table 3 and the backlight module placement plate 4 return to their starting positions. The operator removes the laminated LCD display screen from the display module placement table 3.

[0044] The above description is only a preferred embodiment of the present invention. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. An LCD display screen lamination jig, characterized in that: include: A frame (1), a pressure plate assembly (2), a display module placement platform (3), a backlight module placement plate (4) and a pulley assembly (5); The frame (1) comprises: a base (11), a sliding rod (12), a vertical plate (13) and a pulley assembly mounting shell (14); the sliding rod (12) and the vertical plate (13) are arranged on the rear side of the base (11); and the pulley assembly mounting shell (14) is arranged on the left side and / or the right side of the base (11); The pressure plate assembly (2) comprises: a pressure plate (21), a gear (22) and an operating handle (23); the pressure plate (21) is mounted on the slide bar (12); a rack (214) is provided on the pressure plate (21); the gear (22) is mounted on one end of the operating handle (23) and connected to the rack (214); the gear (22) and the operating handle (23) are mounted on the vertical plate (13); The display module placement platform (3) and the backlight module placement plate (4) are also mounted on the slide bar, wherein the backlight module placement plate (4) is arranged above the base (11), and the display module placement platform (3) is arranged between the pressure plate assembly (2) and the backlight module placement plate (4); the display module placement platform (3) and the backlight module placement plate (4) are connected via the pulley assembly (5), and the pulley assembly (5) is installed in the pulley assembly mounting shell (14).

2. The LCD display lamination jig according to claim 1, wherein: The base (11) is provided with at least one first extension portion (111) on its rear side, and a first slide rod mounting hole (112) is provided on the first extension portion (111), and one end of the slide rod (12) is fixedly mounted in the first slide rod mounting hole (112).

3. The LCD display lamination jig according to claim 1, wherein: The pressure plate (21) is provided with at least one second extension portion (211) on its rear side, and a second slide bar mounting hole (212) is provided on the second extension portion (211). The pressure plate (21) is mounted on the slide bar (12) through the second slide bar mounting hole (212).

4. The LCD display lamination jig according to claim 1 or 3, characterized in that: The pressure plate (21) is further provided with an L-shaped third extension portion (213) on its rear side, one end of the horizontal portion of the third extension portion (213) is connected to the pressure plate (21), and the rack (214) is provided at the vertical portion of the third extension portion (213).

5. The LCD display lamination jig according to claim 1, wherein: The display module placement platform (3) is provided with at least one fourth extension portion (33) on its rear side, and a third slide bar mounting hole (34) is provided on the fourth extension portion (33). The display module placement platform (3) is mounted on the slide bar (12) through the third slide bar mounting hole (34).

6. The LCD display lamination jig according to claim 1 or 5, characterized in that: The display module placement platform (3) is also provided with a backlight module fitting notch (32).

7. The LCD display lamination jig according to claim 6, characterized in that: The display module placement platform (3) is provided with a metal pin placement groove (31) on its upper surface.

8. The LCD display screen lamination jig according to claim 1, wherein: The backlight module placement plate (4) is provided with at least one fifth extension portion (41) on its rear side, and a fourth slide bar mounting hole (42) is provided on the fifth extension portion (41). The backlight module placement plate (4) is mounted on the slide bar (12) through the fourth slide bar mounting hole (42).

9. The LCD display lamination jig according to claim 1, wherein: The display module placement platform (3) and the backlight module placement plate (4) are provided with a first traction rope installation portion (35) or a second traction rope installation portion (43) on the left side and / or the right side thereof; The pulley assembly (5) comprises a pulley (51) and a traction rope (52), wherein the pulley (51) is mounted in the pulley assembly mounting housing (14), and the traction rope (52) passes around the pulley (51), with one end connected to the first traction rope mounting portion (35) and the other end connected to the second traction rope mounting portion (43).

10. The LCD display screen lamination jig according to claim 1, characterized in that: Magnets are provided on the upper surface of the base (11) and the lower surface of the backlight module placement plate (4); in a non-operating state, the backlight module placement plate (4) is magnetically connected to the base (11).