Detection device for display module FPC

Abstract

The utility model discloses a detection device for a display module FPC. The detection device comprises a display module, an FPC and a testing device, the bottom of the front surface of the display module is electrically connected with the FPC; and the testing device comprises a testing plate, a plurality of limiting blocks arranged on the testing plate, and metal terminals arranged in the centers of block bodies of the limiting blocks. According to the detection device of the display module FPC, the female seat matched with the module FPC connector is adopted on the test board, the limiting blocks are additionally arranged on the periphery of the connector, and the metal terminals are arranged in the connector, so that when the test board and the BTB connector on the FPC are buckled together, the BTB connector on the FPC can be buckled together, and the BTB connector on the FPC can be prevented from being damaged. According to the utility model, the metal terminals on the two connectors can be in touch contact to realize electric connection so as to carry out open and open circuit detection, so that the design does not need to press and fasten the two connectors, the damage to the connectors caused by plugging is reduced, the cost is saved, and the production efficiency is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of FPC detection devices, in particular to a detection device for a display module FPC. Background Art

[0002] The FPC of existing mobile phone integrated touch modules is equipped with a BTB connector, usually a male socket. The connector on the FPC communicates with the matching connector female socket on the mobile phone motherboard. The module is usually tested for open and short circuits of the FPC circuit multiple times before production, assembly and shipment. If the corresponding matching connector is used for snap-on connection, plugging and unplugging is more laborious and the connector is easily damaged after long-term use.

[0003] Currently, the open and short circuit tests of FPC circuits are carried out by using a probe to contact the connector terminals. However, the probe test method is expensive, and the structure of the probe is complex. It is also difficult to repair if damaged, which affects production efficiency. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a detection device for a display module FPC.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A detection device for a display module FPC comprises: a display module, an FPC and a test device; the display module, the bottom of the front side of the display module being electrically connected to the FPC; the test device, the test device comprising a test board, a plurality of limit blocks arranged on the test board, and metal terminals arranged in the center of the plurality of limit blocks.

[0007] In one of the embodiments, the FPC is disposed at the center of the bottom of the front side of the display module and is electrically connected to each other. The length and width of the front side of the FPC are smaller than the length and width of the front side of the display module.

[0008] In one of the embodiments, components are disposed on one side of the front center of the FPC near the top, a BTB connector is disposed in the center of the bottom of the front of the FPC, and a reinforcing plate is disposed in the center of the bottom of the back of the FPC.

[0009] In one embodiment, a plurality of the limit blocks are arranged at equal distances around the center of the test board, and the metal terminal is arranged in the center of the test board and in the body of the limit block.

[0010] In one of the embodiments, BTB metal terminals are arranged at equal distances on the top and bottom of the front side of the BTB connector in a horizontal direction, and the reinforcing plate and the BTB connector are arranged in a mirror image with the FPC as the center.

[0011] In one embodiment, the front side of the testing device is in the shape of a female socket, and its size and shape match those of the BTB connector.

[0012] In one of the embodiments, the front side of the limiting block is square in shape, and the limiting block is made of foam or silicone.

[0013] In one embodiment, when the testing device and the BTB connector are connected to each other, the metal terminal and the BTB metal terminal are attached to each other.

[0014] In one embodiment, the four corners of the front side of the display module are rounded, and the shape of the front side of the display module is a rectangle.

[0015] In one embodiment, the shape and size of the front side of the metal terminal match the shape and size of the front side of the BTB metal terminal.

[0016] Compared with the prior art, the utility model has at least the following advantages:

[0017] The detection device of the display module FPC of the utility model adopts a female socket matching the module FPC connector on the test board, and at the same time adds limit blocks around the outer shape of the connector, as well as metal terminals arranged inside the connector, so that when the test board and the BTB connector on the FPC are buckled together, the metal terminals on the two connectors can touch each other to achieve electrical connection and thus perform open circuit detection. Therefore, the design does not need to press and buckle the two connectors, thus reducing the damage to the connector caused by plugging and unplugging, saving costs and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] 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.

[0019] Figure 1 This is a schematic diagram of the overall structure of the front side of the detection device for the display module FPC of the utility model;

[0020] Figure 2This is a schematic diagram of the connection structure between the detection device of the display module FPC and the BTB connector of the utility model;

[0021] Figure 3 This is a schematic diagram of the overall structure of the front side of the detection device for the display module FPC of the utility model;

[0022] Figure 4 It is a schematic diagram of the overall structure of the side of the detection device of the display module FPC of the utility model.

[0023] In the figure: 1. Display module; 2. FPC; 21. Components; 3. BTB connector; 31. BTB metal terminal; 4. Reinforcement board; 5. Test device; 51. Test board; 52. Limit block; 53. Metal terminal DETAILED DESCRIPTION

[0024] 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.

[0025] 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.

[0026] Unless otherwise clearly stipulated and limited, terms such as "installed", "connected", "connected", and "fixed" 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.

[0027] 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.

[0028] like Figure 1-4 As shown, a detection device for display module FPC includes: display module 1, FPC2 and test device 5; display module 1, the bottom of the front side of display module 1 is electrically connected to FPC2; test device 5, test device 5 includes test board 51, a plurality of limit blocks 52 arranged on the test board 51, and metal terminals 53 arranged in the center of the plurality of limit blocks 52. It should be noted that a PCB board is arranged in the test board 51, and a detection circuit is integrated on the PCB board, which can align the test device 5 with the BTB connector 3 on the FPC2 for detection.

[0029] like Figure 1-4 As shown, in one embodiment, FPC2 is arranged at the center of the bottom of the front of the display module 1 and is electrically connected to each other, and the length and width of the front of FPC2 are smaller than the length and width of the front of the display module 1. It should be noted that FPC2 is a flexible circuit board and can be bent to the back of the display module 1, so that the area occupied by the display module 1 becomes smaller.

[0030] like Figure 1-4 As shown, in one embodiment, a component 21 is arranged on one side near the top of the front center of the FPC2, a BTB connector 3 is arranged at the center of the bottom of the front of the FPC2, and a reinforcing plate 4 is arranged at the center of the bottom of the back of the FPC2. BTB metal terminals 31 are arranged at equal distances horizontally at the top and bottom of the front of the BTB connector 3, and the reinforcing plate 4 and the BTB connector 3 are mirror-imaged with the FPC2 as the center. It should be noted that the size of the front of the reinforcing plate 4 is compatible with the size of the front of the BTB connector 3, and the reinforcing plate 4 can enhance the structural strength of the BTB connector 3.

[0031] like Figure 1-4 As shown, in one embodiment, a plurality of limit blocks 52 are arranged at equal distances around the center of the test board 51, and the metal terminal 53 is arranged in the center of the test board 51 and in the body of the limit block 52. The front of the limit block 52 is square in shape, and the limit block 52 is made of foam or silicone. It should be noted that the plurality of limit blocks 52 form a rectangular frame, and the length and width of the front of the frame are adapted to the length and width of the front of the BTB connector 3.

[0032] like Figure 1-4As shown, in one embodiment, the front of the test device 5 is in the shape of a female socket, and its size and shape match the BTB connector 3. When the test device 5 and the BTB connector 3 are connected to each other, the metal terminal 53 and the BTB metal terminal 31 will fit together. The shape and size of the front of the metal terminal 53 match the shape and size of the front of the BTB metal terminal 31. It should be noted that the shapes and sizes of the metal terminal 53 and the BTB metal terminal 31 are adapted to each other, so when the test device 5 and the BTB connector 3 are connected to each other, the BTB metal terminal 31 and the metal terminal 53 can touch and connect with each other.

[0033] like Figure 1-4 As shown, in one embodiment, the four corners of the front of the display module 1 are rounded, and the front of the display module 1 is in a rectangular shape. It should be noted that this design can enhance the safety of the display module 1.

[0034] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A detection device for display module FPC, It is characterized in that include: Display module (1), FPC (2) and testing device (5); A display module (1), wherein the bottom of the front side of the display module (1) is electrically connected to the FPC (2); A testing device (5) comprising a testing board (51), a plurality of limit blocks (52) arranged on the testing board (51), and a metal terminal (53) arranged in the center of the body of the plurality of limit blocks (52).

2. The detection device for display module FPC according to claim 1, It is characterized in that The FPC (2) is arranged at the center of the bottom of the front side of the display module (1) and is electrically connected to each other. The length and width of the front side of the FPC (2) are smaller than the length and width of the front side of the display module (1).

3. The detection device for display module FPC according to claim 1, It is characterized in that A component (21) is arranged on one side of the front center of the FPC (2) close to the top, a BTB connector (3) is arranged at the center of the bottom of the front of the FPC (2), and a reinforcing plate (4) is arranged at the center of the bottom of the back of the FPC (2).

4. The detection device for display module FPC according to claim 1, It is characterized in that A plurality of the limit blocks (52) are arranged at equal distances around the center of the test board (51) with the center of the circle as the center, and the metal terminal (53) is arranged at the center of the test board (51) and in the body of the limit block (52).

5. The detection device for display module FPC according to claim 3, It is characterized in that BTB metal terminals (31) are arranged at equal distances on the top and bottom of the front side of the BTB connector (3) in a horizontal direction, and the reinforcing plate (4) and the BTB connector (3) are arranged in a mirror image with the FPC (2) as the center.

6. The display module FPC detection device according to claim 3, It is characterized in that The front face of the testing device (5) is in the shape of a female socket, and its size and shape match those of the BTB connector (3).

7. The display module FPC detection device according to claim 1, It is characterized in that The front face of the limiting block (52) is in the shape of a square, and the limiting block (52) is made of foam or silica gel.

8. The display module FPC detection device according to claim 5, It is characterized in that When the testing device (5) and the BTB connector (3) are connected to each other, the metal terminal (53) and the BTB metal terminal (31) are attached to each other.

9. The display module FPC detection device according to claim 1, It is characterized in that The four corners of the front of the display module (1) are rounded, and the shape of the front of the display module (1) is a rectangle.

10. The detection device for display module FPC according to claim 5, It is characterized in that The shape and size of the front side of the metal terminal (53) match the shape and size of the front side of the BTB metal terminal (31).

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