LGP plate assembly positioning jig and LGP plate assembly method

Abstract

The embodiment of the present application discloses a kind of LGP plate assembly positioning jigs and LGP plate assembly method, in which a kind of LGP plate assembly positioning jigs, the positioning jig includes jig base, and the left positioning component for limiting function is set in the left side of jig base and the right positioning component for limiting function is set in the right side of jig base, the LGP plate is assembled in the positioning area formed by the left positioning component and the right positioning component.The LGP plate assembly positioning jig and the LGP plate assembly method provided by the embodiment of the present application solve the problem of poor edge visual effect (light leakage, bright edge, uneven bright and dark, etc.) of narrow frame module;Improve factory assembly yield, reduce manufacturing cost;Improve the success rate of case, reduce research and development cost;Increase customer satisfaction.

Description

Technical Field

[0001] This invention relates to the field of LGP board assembly technology, and in particular to an LGP board assembly positioning fixture and an LGP board assembly method. Background Technology

[0002] LGP (light guide plate) is an important component of LCD screens or LCD modules and backlight display modules. LGP plates are generally assembled by bonding other optical films onto an optical-grade PMMA / PC substrate.

[0003] Currently, AI, tablets, and laptops are increasingly trending towards ultra-narrow bezel designs. However, the assembly consistency of light guide plates cannot be protected, which can easily lead to visual issues such as light leakage, bright edges, and uneven brightness. Effective solutions are needed to meet customer needs. Due to the ultra-narrow bezels of the modules, the assembly consistency of medium and large sizes is poor, and the sides of the modules are prone to light focusing, resulting in poor visual effects at the module edges. This leads to low factory yield rates and high rework costs, making it difficult to ensure customer delivery time and reducing customer satisfaction.

[0004] To address the above issues, there is an urgent need to invent an LGP board assembly positioning fixture and an LGP board assembly method to solve the current problem of low LGP board assembly yield. Summary of the Invention

[0005] To address the aforementioned technical problems, embodiments of the present invention provide an LGP board assembly positioning fixture and an LGP board assembly method, effectively solving the positioning problem during the LGP board assembly process.

[0006] A first aspect of the present invention provides an LGP board assembly positioning fixture, comprising:

[0007] The positioning fixture includes a fixture base, a left positioning component that serves as a limiter on the left side of the fixture base, and a right positioning component that serves as a limiter on the right side of the fixture base. The LGP plate is assembled in the positioning area formed by the left positioning component and the right positioning component.

[0008] Optional,

[0009] The left positioning component and the right positioning component have the same structure.

[0010] Optional,

[0011] Both the left positioning component and the right positioning component include a positioning plate with a bent cross-section, a bracket, and a rotating shaft, and the positioning plate rotates through the rotating shaft.

[0012] Optional,

[0013] The shaft body is provided with a bracket placement groove. The bracket is an L-shaped bracket. One end of the L-shaped bracket is connected to the bottom of one side of the positioning plate, and the other end of the L-shaped bracket is freely placed in the bracket placement groove. The L-shaped bracket can move freely along the horizontal X-axis in the bracket placement groove.

[0014] Optional,

[0015] The surface of the fixture base is provided with an LGP plate assembly groove, and both ends of the upper part of the fixture base are provided with mounting ports for mounting the rotating shaft. The rotating shaft is set in the mounting port and can rotate freely in the mounting port.

[0016] Optional,

[0017] The positioning plate moves its bottom into or out of the LGP plate assembly slot via the rotation of the bracket and the rotating shaft.

[0018] Optional,

[0019] When the bottom of the positioning plate enters the LGP board assembly slot, the positioning plate moves along the X-axis under the drive of the bracket. The closest distance between the bottom of the positioning plate and the wall of the LGP board assembly slot is 0.1mm, and the farthest distance between the bottom of the positioning plate and the wall of the LGP board assembly slot is 2mm.

[0020] Optional,

[0021] The fixture base is a metal base or a rigid plastic base.

[0022] A second aspect of the present invention provides an LGP board assembly method, comprising:

[0023] The LGP board is assembled using the LGP board assembly positioning fixture described above.

[0024] Optional,

[0025] The LGP board assembly method includes the following steps:

[0026] S1: Rotate the positioning plate around the pivot until the bottom of the positioning plate enters the LGP plate assembly slot, and the bottom surface of the positioning plate is attached to the slot surface of the LGP plate assembly slot.

[0027] S2: Slowly lower the LGP board substrate from above the LGP board assembly slot from top to bottom;

[0028] S3: When the distance between the LGP board substrate and the positioning plate is less than 0.4mm, the positioning plate is moved toward the wall of the LGP board assembly groove, so that the distance between the LGP board substrate and the positioning plate is greater than 0.4mm.

[0029] S4: Continue to lower the LGP board substrate until the LGP board substrate is completely placed on the LGP board assembly slot;

[0030] S5: Assemble the remaining components of the LGP board according to steps S2-S5 to complete the assembly;

[0031] In step S4, after the LGP board substrate is completely placed on the LGP board assembly slot, the distance between the LGP board substrate and the positioning plate is less than 1 mm.

[0032] The technical solution provided in this invention includes an LGP board assembly positioning fixture and an LGP board assembly method. Compared with the prior art, the design cross-section is bent and can be adjusted and moved according to the size of the LGP, resulting in less stress. It avoids interference with the baffle during the assembly of the light guide plate, preventing scratches, chipping, and other defects. When the positioning plate is flipped to the LGP assembly groove wall, there will be a certain gap between it and the groove wall (the gap size is 0.2-0.4mm, which is feasible depending on the machining accuracy of the fixture). As the LGP sinks and assembles, the positioning plate moves along the X-axis, which can better control the gap between the LGP and the groove wall, better achieve centering and alignment, and improve the problem of poor visual effect. An expansion gap of 0.4-1mm needs to be reserved during LGP assembly. The positioning plate can adjust the assembly accuracy and reduce the LGP assembly deviation.

[0033] This invention provides an LGP board assembly positioning fixture and LGP board assembly method, which solves the problem of poor edge visual effect (light leakage, bright edges, uneven brightness, etc.) of narrow bezel modules; improves factory assembly yield and reduces manufacturing costs; increases the success rate of design and reduces R&D costs; and increases customer satisfaction. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of one embodiment of an LGP board assembly positioning fixture according to the present invention;

[0035] Figure 2 This is an exploded view of the right positioning component of an LGP board assembly positioning fixture according to an embodiment of the present invention;

[0036] 1- Fixture base; 2- Left positioning component; 3- Right positioning component; 11- Positioning plate; 12- Bracket; 13- Rotating shaft; 14- Bracket placement slot; 21- LGP board assembly slot; 22- Mounting port. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Please see Figure 1-2 One embodiment of the LGP board assembly positioning fixture of the present invention includes:

[0039] The positioning fixture includes a fixture base 1, a left positioning component 2 which serves as a limiter on the left side of the fixture base 1, and a right positioning component 3 which serves as a limiter on the right side of the fixture base 1. The LGP plate is assembled in the positioning area formed by the left positioning component 2 and the right positioning component 3.

[0040] In one embodiment, the left positioning component 2 and the right positioning component 3 have the same structure, and both the left positioning component 2 and the right positioning component 3 include a positioning plate 11 with a bent cross section, a bracket 12 and a rotating shaft 13, and the positioning plate 11 rotates through the rotating shaft 13.

[0041] In one embodiment, the shaft of the rotating shaft 13 is provided with a bracket placement groove 14, the bracket 12 is an L-shaped bracket, one end of the L-shaped bracket is connected to the bottom of one side of the positioning plate 11, the other end of the L-shaped bracket is freely placed in the bracket placement groove 14, and the L-shaped bracket can move freely along the transverse X-axis in the bracket placement groove 14.

[0042] In one embodiment, the surface of the fixture base 1 is provided with an LGP plate assembly groove 21, and both ends of the upper part of the fixture base 1 are provided with mounting ports 22 for mounting a rotating shaft 13. The rotating shaft 13 is disposed in the mounting port 22 and can rotate freely within the mounting port 22.

[0043] In one embodiment, the positioning plate 11 is rotated by the bracket 12 and the rotating shaft 13 to allow the bottom of the positioning plate 11 to enter into or leave the LGP plate assembly slot 21.

[0044] In one embodiment, when the bottom of the positioning plate 11 enters the LGP board assembly slot 21, the positioning plate 11 moves along the X-axis under the drive of the bracket 12. The closest distance between the bottom of the positioning plate 11 and the wall of the LGP board assembly slot 21 is 0.1mm, and the furthest distance between the bottom of the positioning plate 11 and the wall of the LGP board assembly slot 21 is 2mm.

[0045] In one embodiment, the fixture base 1 is a metal base or a rigid plastic base, and the fixture base is an iron base or a stainless steel base.

[0046] The above describes an LGP board assembly positioning fixture according to an embodiment of the present invention. The following describes an LGP board assembly method according to an embodiment of the present invention. One embodiment of the LGP board assembly method includes:

[0047] The LGP board is assembled using the above-mentioned LGP board assembly positioning fixture.

[0048] In one embodiment,

[0049] The LGP board assembly method includes the following steps:

[0050] S1: Rotate the positioning plate 11 around the pivot until the bottom of the positioning plate 11 enters the LGP board assembly slot 21, and the bottom surface of the positioning plate 11 is attached to the slot surface of the LGP board assembly slot.

[0051] S2: Slowly lower the LGP board substrate from above the LGP board assembly slot 21 from top to bottom;

[0052] S3: When the distance between the LGP board substrate and the positioning plate 11 is less than 0.4mm, the positioning plate 11 is moved toward the groove wall of the LGP board assembly groove 21, so that the distance between the LGP board substrate and the positioning plate 11 is greater than 0.4mm.

[0053] S4: Continue to lower the LGP board substrate until the LGP board substrate is completely placed on the LGP board assembly slot 21;

[0054] S5: Assemble the remaining components of the LGP board according to steps S2-S5 to complete the assembly;

[0055] In step S4, after the LGP board substrate is completely placed on the LGP board assembly slot 21, the distance between the LGP board substrate and the positioning plate 11 is less than 1mm.

[0056] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A positioning fixture for LGP board assembly, characterized in that: The positioning fixture includes a fixture base (1), a left positioning component (2) which serves as a limiter on the left side of the fixture base (1), and a right positioning component (3) which serves as a limiter on the right side of the fixture base (1). The LGP plate is assembled in the positioning area formed by the left positioning component (2) and the right positioning component (3). The left positioning component (2) and the right positioning component (3) have the same structure; both the left positioning component (2) and the right positioning component (3) include a positioning plate (11) with a bent cross section, a bracket (12) and a rotating shaft (13). The positioning plate (11) rotates through the rotating shaft (13). The shaft of the rotating shaft (13) is provided with a bracket placement groove (14). The bracket (12) is an L-shaped bracket. One end of the L-shaped bracket is connected to the bottom of one side of the positioning plate (11). The other end of the L-shaped bracket is freely placed in the bracket placement groove (14). The L-shaped bracket can move freely along the transverse X-axis in the bracket placement groove (14). The surface of the fixture base (1) is provided with an LGP plate assembly groove (21). Both ends of the upper part of the fixture base (1) are provided with mounting ports (22) for installing the rotating shaft (13). The rotating shaft (13) is located in the mounting plate assembly groove (22). The mounting opening (22) is in the mounting opening (22), and the rotating shaft (13) can rotate freely within the mounting opening (22). The positioning plate (11) is moved into or out of the LGP board assembly slot (21) by the rotation of the bracket (12) and the rotating shaft (13). When the bottom of the positioning plate (11) enters the LGP board assembly slot (21), the positioning plate (11) moves along the X-axis under the drive of the bracket (12). The closest distance between the bottom of the positioning plate (11) and the wall of the LGP board assembly slot (21) is 0.1 mm, and the furthest distance between the bottom of the positioning plate (11) and the wall of the LGP board assembly slot (21) is 2 mm.

2. The LGP board assembly positioning fixture according to claim 1, characterized in that: The fixture base (1) is a metal base or a rigid plastic base.

3. A method for assembling an LGP board, characterized in that: The LGP board is assembled using the LGP board assembly positioning fixture according to any one of claims 1-2; The LGP board assembly method includes the following steps: S1: Rotate the positioning plate (11) around the pivot until the bottom of the positioning plate (11) enters the LGP plate assembly slot (21), and the bottom surface of the positioning plate (11) is attached to the slot surface of the LGP plate assembly slot. S2: Slowly lower the LGP board substrate from above the LGP board assembly slot (21) from top to bottom; S3: When the distance between the LGP board substrate and the positioning plate (11) is less than 0.4mm, the positioning plate (11) is moved toward the groove wall of the LGP board assembly groove (21), and after the movement, the distance between the LGP board substrate and the positioning plate (11) is greater than 0.4mm. S4: Continue to lower the LGP board substrate until the LGP board substrate is completely placed on the LGP board assembly slot (21); S5: Assemble the remaining components of the LGP board according to steps S2-S5 to complete the assembly; In step S4, after the LGP board substrate is completely placed on the LGP board assembly slot (21), the distance between the LGP board substrate and the positioning plate (11) is less than 1 mm.

Images