General efficient assembling tool for TFT (thin film transistor) and backlight source

By using a universal and efficient assembly fixture for both TFTs and backlights, and employing a micrometer and threaded rod to achieve high-precision alignment, the problem of low assembly efficiency and yield of TFT glass and backlights has been solved, thus improving installation accuracy and assembly efficiency.

CN223630266UActive Publication Date: 2025-12-05YES OPTOELECTRONICS (GRP) CO LTD
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Patent Information

Application Number
CN202423144202.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-05
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

In the existing technology, the assembly efficiency and yield of TFT glass and backlight are low. Conventional manual alignment assembly is difficult to maintain stability, and top-down assembly fixtures are difficult to achieve efficient assembly due to small gaps and interference from backlight baffles.

Method used

A universal and efficient assembly fixture for TFT and backlight is adopted, including a platform base, a support mechanism, a moving mechanism, a lifting cylinder, a positioning mechanism, and a positioning mechanism. High-precision alignment and adjustment are achieved by using a micrometer screw and a threaded rod, avoiding interference between the backlight and the TFT glass.

Benefits of technology

This improved the installation accuracy and product quality of TFT glass and backlight, reduced the difficulty of subsequent installation, and ensured the levelness of the equipment and assembly efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of TFT glass and backlight assembly, and discloses a TFT and backlight universal efficient assembly tool which comprises a platform base, a supporting mechanism is arranged at the bottom of the platform base, a supporting plate is arranged at the top of the platform base, a moving mechanism is arranged at the top of the platform base, and the moving mechanism is arranged on the platform base. A supporting plate is fixedly connected to the top of the platform base, a lifting air cylinder is arranged at the top of the supporting plate, a TFT glass supporting seat is fixedly connected to the top of an output shaft of the lifting air cylinder, a TFT glass supporting baffle is fixedly connected to the top of the supporting plate, and a side plate is fixedly connected to the top of the platform base. According to the utility model, the positions of the TFT glass in the X direction and the Y direction can be measured and adjusted in a high-precision manner through the two groups of spiral micrometer devices, so that the backlight supporting seat can be matched with the TFT glass in a high-precision manner when driving the backlight to turn over, the mounting precision is improved, and the TFT glass can be repeatedly used subsequently after one-time adjustment; and the difficulty degree of subsequent installation is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to TFT glass and backlight source assembly field especially relates to a TFT and general high -efficient assembly frock of backlight source. BACKGROUND

[0002] TFT glass occupies the unshakable position in the flat panel display field with its low pressure, low power consumption, long life, multicolor, high definition and other characteristics, and is gradually occupying the black and white display market share. But because it can not emit light, it needs to be assembled with backlight source to display the required pattern.

[0003] In the field of flat panel display, the order quantity is usually very large, which makes the assembly efficiency and yield very important. The conventional assembly method is manual alignment assembly, which is difficult to maintain stability in long-term work, resulting in reduced efficiency and yield. The general assembly frock from top to bottom is difficult to use. First, the assembly gap between TFT glass and backlight source is very small, making the assembly difficult. Second, the existence of backlight blocking wall makes it difficult to avoid interference between TFT glass and backlight blocking wall. Therefore, a TFT and general high -efficient assembly frock of backlight source is proposed to solve the above problems. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a TFT and general high -efficient assembly frock of backlight source, which aims at improving the problem of "conventional assembly method is manual alignment assembly, which is difficult to maintain stability in long-term work, resulting in reduced efficiency and yield" in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a TFT and general high -efficient assembly frock of backlight source, including platform base, the bottom of platform base is provided with supporting mechanism, the top of platform base is provided with supporting plate, the top of platform base is provided with moving mechanism, the top of supporting plate is provided with lifting cylinder, the output shaft top of lifting cylinder is fixedly connected with TFT glass support seat, the top of supporting plate is fixedly connected with TFT glass support baffle, the top of platform base is fixedly connected with side plate, the top of side plate is hinged with backlight source support seat, the top of platform base is provided with positioning mechanism.

[0006] As a further description of the above technical scheme:

[0007] The moving mechanism includes X straight line guide rail, and the X straight line guide rail is fixedly installed on the top of platform base.

[0008] As a further description of the above technical scheme:

[0009] The support plate is adapted to be mounted on the top surface of the X-direction linear guide rail.

[0010] As a further description of the above technical solution:

[0011] The moving mechanism further comprises a Y-direction linear guide rail, which is fixedly mounted on the top of the support plate, and a sliding block is adapted to be mounted on the top of the Y-direction linear guide rail, and the top of the sliding block is fixedly connected with the bottom of the lifting cylinder.

[0012] As a further description of the above technical solution:

[0013] The positioning mechanism comprises a screw micrometer and a fixed seat, and the screw micrometer is fixedly mounted on the inner wall of the fixed seat.

[0014] As a further description of the above technical solution:

[0015] The fixed seat is provided in two groups, one group of the fixed seat is fixedly mounted on the top of the platform base, and the other group of the fixed seat is fixedly mounted on the top of the support plate.

[0016] As a further description of the above technical solution:

[0017] The support mechanism comprises a threaded rod, which is screwed on the bottom of the platform base, and a rubber block is fixedly connected to the bottom of the threaded rod.

[0018] As a further description of the above technical solution:

[0019] The surface of the TFT glass support seat and the surface of the backlight support seat are both provided with air holes.

[0020] The utility model has the advantages of:

[0021] 1. In the utility model, two groups of screw micrometers can measure and adjust the position of TFT glass in X and Y directions with high accuracy, so that when the backlight support seat drives the backlight to overturn, the backlight can be highly accurately matched with the TFT glass, the installation accuracy and product quality are improved, and after one adjustment, the subsequent use can be repeated, and the difficulty of subsequent installation is reduced.

[0022] 2. In the utility model, a plurality of threaded rods are arranged, the rubber block is linearly displaced in the vertical direction by the screw conversion, the levelness of the whole equipment can be adjusted, the whole equipment is ensured to be horizontal, and the TFT glass can be raised by the lifting of the cylinder, so that the interference problem of the backlight and the TFT glass support baffle during overturning assembly is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1It is the overall perspective view of the utility model;

[0024] Figure 2 It is the overall perspective view of the utility model;

[0025] Figure 3 It is the overall perspective view of the utility model Figure 1 It is the overall perspective view of the utility model.

[0026] Legend:

[0027] 1, platform base; 2, support plate; 3, X linear guide rail; 4, Y linear guide rail; 5, sliding block; 6, lifting cylinder; 7, TFT glass support seat; 8, TFT glass support baffle; 9, side plate; 10, backlight support seat; 11, screw micrometer; 12, fixed seat; 13, threaded rod; 14, rubber block. Specific implementation

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] With reference to Figure 1 , the utility model provides an embodiment: a TFT and backlight general high -efficient assembly frock, including platform base 1, platform base 1 bottom is provided with support mechanism, platform base 1 top is provided with the support plate 2 of horizontal state setting, platform base 1 top is provided with moving mechanism.

[0030] With reference to Figure 1 - Figure 3 , moving mechanism includes X linear guide rail 3, X linear guide rail 3 fixed mounting is at platform base 1 top, support plate 2 is adapted to install at the top surface of X linear guide rail 3, X linear guide rail 3 work makes support plate 2 along the track of X linear guide rail 3 in front and back direction linear displacement, moving mechanism still includes Y linear guide rail 4, Y linear guide rail 4 fixed mounting is at support plate 2 top, Y linear guide rail 4 top is adapted to install sliding block 5, Y linear guide rail 4 work makes sliding block 5 along the track of Y linear guide rail 4 in left and right direction linear displacement, sliding block 5 top and lifting cylinder 6 bottom fixed connection.

[0031] With reference to Figure 1 , Figure 3The top of the support plate 2 is provided with a lifting cylinder 6 for providing driving force, the output shaft of the lifting cylinder 6 is fixedly connected with a TFT glass support seat 7 at the top, which is used for fixing the TFT glass, the top of the support plate 2 is fixedly connected with a TFT glass support baffle 8, the top of the platform base 1 is fixedly connected with a side plate 9 arranged in a vertical state, the top of the side plate 9 is hingedly connected with a backlight source support seat 10, which is used for fixing the backlight source, and the top of the platform base 1 is provided with a positioning mechanism.

[0032] With reference to Figure 1 , Figure 3 The positioning mechanism comprises a screw micrometer 11 and a fixed seat 12, the screw micrometer 11 is also called a micrometer, which is a more precise length measuring tool than a vernier caliper, and the length measured by the screw micrometer 11 can be accurate to 0.01mm, which is prior art, the screw micrometer 11 is fixedly installed on the inner wall of the fixed seat 12, and the fixed seat 12 is provided in two groups, one group of the fixed seat 12 is fixedly installed on the top of the platform base 1, and the other group of the fixed seat 12 is fixedly installed on the top of the support plate 2, the fixed seat 12 and the screw micrometer 11 on the top of the platform base 1 are arranged on the right side of the support plate 2, which is used for high-precision measurement and control of the position of the TFT glass above the TFT glass support seat 7 in the X-axis direction, and the screw micrometer 11 on the top of the support plate 2 is arranged on the front side of the sliding block 5, which is used for high-precision measurement and control of the position of the TFT glass above the TFT glass support seat 7 in the Y-axis direction.

[0033] With reference to Figure 1 , Figure 2 The support mechanism comprises a threaded rod 13, the threaded rod 13 is threadedly installed at the bottom of the platform base 1, when the threaded rod 13 rotates, the rubber block 14 is driven to linearly displace in the vertical direction through the action of screw conversion, the levelness of the entire device can be adjusted by rotating a plurality of threaded rod 13 bolts, so that the entire device is horizontal, the bottom of the threaded rod 13 is fixedly connected with the rubber block 14 for increasing friction, so that the platform base 1 is more stably placed on the external platform, the surfaces of the TFT glass support seat 7 and the backlight source support seat 10 are both provided with air holes, when the positions of the TFT glass support seat 7 and the backlight source support seat 10 are adjusted, the TFT glass and the backlight source can be respectively fixed on the corresponding support seats through the suction and exhaust of the external vacuum pump.

[0034] Working principle: in use, the backlight is placed on the backlight support seat 10, the TFT glass is placed on the TFT glass support seat 7, when the position of the TFT glass in the horizontal direction X axis and Y axis is adjusted through the two screw micrometers 11, the backlight and the TFT glass are sucked through the external vacuum pump and the air holes on the TFT glass support seat 7 and the backlight support seat 10, so that they are completely fixed with the corresponding support seat, then the power of the lifting cylinder 6 is started to lift the TFT glass above the TFT glass support seat 7, and the lifting height of the TFT glass is calculated in advance according to the depth of the backlight groove and the thickness of the TFT glass, so that the TFT glass completely exceeds the height of the TFT glass support baffle 8, and the interference between the backlight support baffle and the TFT glass support baffle 8 is avoided when the backlight support seat 10 is overturned.

[0035] When the position of the TFT glass support seat 7 and the backlight support seat 10 is adjusted, the assembly of the backlight and the TFT glass can be efficiently and accurately realized through the suction and exhaust of the external vacuum pump.

[0036] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it 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. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A TFT and backlight universal high-efficiency assembly tool, comprising a platform base (1), characterized in that: The bottom of the platform base (1) is provided with a support mechanism, the top of the platform base (1) is provided with a support plate (2), the top of the platform base (1) is provided with a moving mechanism, the top of the support plate (2) is provided with a lifting cylinder (6), the output shaft top of the lifting cylinder (6) is fixedly connected with a TFT glass support seat (7), the top of the support plate (2) is fixedly connected with a TFT glass support baffle (8), the top of the platform base (1) is fixedly connected with a side plate (9), the top of the side plate (9) is hinged with a backlight source support seat (10), and the top of the platform base (1) is provided with a positioning mechanism.

2. The universal high-efficiency assembly tool for TFT and backlight source according to claim 1, characterized in that: The moving mechanism comprises an X-direction linear guide rail (3) fixedly installed on the top of the platform base (1).

3. The universal high-efficiency assembly tool for TFT and backlight source according to claim 2, characterized in that: The support plate (2) is adaptively installed on the top surface of the X-direction linear guide rail (3).

4. The universal high efficiency assembly tool for TFT and backlight according to claim 3, characterized in that: The moving mechanism further comprises a Y-direction linear guide rail (4) fixedly installed on the top of the support plate (2), and the top of the Y-direction linear guide rail (4) is adaptively installed with a sliding block (5), and the top of the sliding block (5) is fixedly connected with the bottom of the lifting cylinder (6).

5. The universal high efficiency assembly tool for TFT and backlight according to claim 1, characterized in that: The positioning mechanism comprises a screw micrometer (11) and a fixed seat (12), and the screw micrometer (11) is fixedly installed on the inner wall of the fixed seat (12).

6. The universal high efficiency assembly tool for TFT and backlight according to claim 5, characterized in that: The number of the fixed seat (12) is two groups, one group of the fixed seat (12) is fixedly installed on the top of the platform base (1), and the other group of the fixed seat (12) is fixedly installed on the top of the support plate (2).

7. The universal high efficiency assembly tool for TFT and backlight according to claim 1, characterized in that: The support mechanism comprises a threaded rod (13) threadedly installed on the bottom of the platform base (1), and the bottom of the threaded rod (13) is fixedly connected with a rubber block (14).

8. The universal high efficiency assembly tool for TFT and backlight according to claim 1, characterized in that: The surface of the TFT glass support seat (7) and the surface of the backlight source support seat (10) are provided with air holes.