CN218975983U

CN218975983U - Adapter plate convenient for testing LCD display screen

Info

Publication number: CN218975983U
Application number: CN202222768159.0U
Authority: CN
Inventors: 杨磊; 魏玲枫; 樊劼
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-05-05
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to an adapter plate convenient for testing an LCD display screen, which comprises a pin pad position, a test fixture and a test fixture, wherein the pin pad position is used for welding pins, is arranged in the middle of the adapter plate and can be connected with the LCD display screen or the LCD display screen through a Dupont wire; copper column threaded holes are formed in two sides of the adapter plate, the copper columns are screwed into the copper column threaded holes through screws, and the copper columns are used for connecting external test equipment. The testing jig of the LCD display screen or the LCD display screen is provided with corresponding contact pin bonding pad positions for welding contact pins. The pin pad is connected with the copper column. By using the adapter plate, the LCD display screen is connected with the adapter plate, or the LCD display screen is connected with the testing jig, the testing jig is connected to the pin position of the adapter plate and then connected to the copper column, and when the copper column is required to be tested, the copper column is clamped by a clamp of external testing equipment for testing. When one circuit is tested and the other circuit is tested, the DuPont wire inserted on the pin of the test fixture is only required to be inserted on the pin corresponding to the other circuit.

Description

Adapter plate convenient for testing LCD display screen

Technical Field

The utility model relates to the technical field of switching devices, in particular to a switching board convenient for testing an LCD display screen.

Background

In display development, it is often necessary to perform electrical performance tests, such as measuring voltage, current, waveform, etc., on an LCD display. The wire bond is typically required to come out for testing. The prior art has complicated operation, high cost and low production efficiency. The adapter plate is required to serve as a bridge, so that various factories continuously pursue how to improve the design of the adapter plate and improve the research and development testing efficiency.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an adapter plate convenient for testing an LCD display screen, wherein the adapter plate is an adapter plate hung on an external hanging part, and is flexibly applicable to various test items.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the pinboard comprises a pin pad position, a pin pad position and a test fixture, wherein the pin pad position is used for welding pins, is arranged in the middle of the pinboard, and can be connected with an LCD display screen or the LCD display screen through a Dupont wire; copper column threaded holes are formed in two sides of the adapter plate, the copper columns are screwed into the copper column threaded holes through screws, and the copper columns are used for connecting external test equipment.

As an optimal technical scheme, the testing jig of the LCD display screen is provided with corresponding contact pin bonding pad positions for welding contact pins.

As a preferable technical scheme, the LCD display screen is provided with corresponding pin pad positions for welding pins.

As a preferable technical scheme, the pin pad position is connected with the copper column.

As a preferable technical scheme, the pin pad position comprises a first row of pins and a second row of pins, and the first row of pins and the second row of pins comprise a plurality of pins.

As a preferable technical scheme, the number of pins of the first row of pins is equal to or less than 60 than that of pins of the second row of pins.

As the preferable technical scheme, the pin holes of the first row of pins are connected with the copper columns positioned on the left side of the adapter plate in a one-to-one correspondence manner, and the pin holes of the second row of pins are connected with the copper columns positioned on the right side of the adapter plate in a one-to-one correspondence manner.

As a preferred technical solution, the adapter plate further comprises a power interface.

As a preferable technical scheme, the height of the copper column is 5mm.

As a preferable technical scheme, the threaded length of the copper column threaded hole is 4mm.

Compared with the prior art, the utility model has the following technical effects: the middle of the adapter plate is provided with a contact pin bonding pad position, the corresponding test jig is provided with a corresponding bonding pad position for welding the contact pin, the contact pin bonding pad position is connected to the adapter plate through a DuPont wire, two sides of the adapter plate are provided with copper columns, and the copper columns are connected with the contact pin bonding pad position in the middle of the adapter plate. During testing, the LCD display screen is connected with the adapter plate, or the LCD display screen is connected with the testing jig, the testing jig is connected to the pin position of the adapter plate and then connected to the copper column, and when testing is needed, the copper column is clamped by the clamp of external testing equipment for testing. When one circuit is tested and another circuit is required to be tested, the next test can be performed by only inserting the DuPont wire inserted on the pin of the test fixture onto the pin corresponding to the other circuit, so that the test process is more convenient, and the test efficiency is improved.

Description of the drawings:

fig. 1 is a schematic structural diagram of an adapter board for testing an LCD display screen according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a test LCD display using a patch panel for facilitating the test of the LCD display according to an embodiment of the present utility model;

description of the reference numerals

An adapter plate 1; pin pad locations 11; copper pillars 12; dupont wire 2; a test jig 3; an LCD display 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc., are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship conventionally put in place when the product of the present utility model is used, or the azimuth or positional relationship conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Examples

As shown in fig. 1, a schematic structural diagram of an interposer 1 for testing an LCD display 4 according to an embodiment of the present utility model is provided, where the interposer 1 includes a pin pad 11 for soldering pins, the pin pad 11 is disposed in the middle of the interposer 1, and the pin pad 11 can be connected to the LCD display 4 or a test fixture 3 of the LCD display 4 through a dupont wire 2; the adapter plate 1 both sides are equipped with copper post 12 screw hole, screw with copper post 12 screw hole in copper post 12, copper post 12 is used for connecting external test equipment, and external test equipment is used for testing LCD display 4 electric property. Further, the height of the copper pillar 12 is 5mm, and the screw length of the screw hole of the copper pillar 12 is 4mm. The pin pad 11 is connected to the copper pillar 12.

Further preferably, the testing fixture 3 of the LCD display screen 4 is provided with corresponding pin pad positions 11 for welding pins, and during testing, the dupont wire 2 is connected to the adapter plate 1 for testing. Or when the testing jig 3 is not provided with pin pads, the LCD display screen 4 is provided with corresponding pin pad positions 11 for welding pins, and when testing, the LCD display screen 4 is connected to the adapter plate 1 through the DuPont wire 2 for testing.

Preferably, pin pad 11 includes a first row of pins and a second row of pins, the first row of pins and the second row of pins including a plurality of pins. Further preferably, the number of pins of the first row of pins is equal to or less than 60 than the number of pins of the second row of pins, so as to meet the test of different LCD display screen 4 modules. The first row of pin pinholes are connected with copper columns 12 positioned on the left side of the adapter plate 1 in a one-to-one correspondence manner, and the second row of pin pinholes are connected with copper columns 12 positioned on the right side of the adapter plate 1 in a one-to-one correspondence manner.

As shown in fig. 2, when the LCD display screen 4 needs to be tested for electrical performance, the interposer 1 is connected to the testing fixture 3 of the LCD display screen 4, the pin pads corresponding to the testing fixture 3 are connected to the pin pads of the interposer 1 through the dupont wire 2, the pin pads on the interposer 1 are communicated with the copper columns 12, and the copper columns 12 are clamped by the clamps of the testing equipment to test. When one circuit is tested and another circuit needs to be tested, the next test can be performed by only inserting the DuPont wire 2 inserted on the pin of the test fixture 3 into the pin corresponding to the other circuit.

Or when the test fixture 3 is not provided with the pin bonding pad, the LCD display screen 4 is connected with the adapter plate 1, the pin bonding pad on the adapter plate 1 is communicated with the copper column 12, and the copper column 12 is clamped by a clamp of the test equipment for testing.

Claims

1. The pinboard is characterized by comprising a pin pad position, wherein the pin pad position is used for welding pins, the pin pad position is arranged in the middle of the pinboard, and the pin pad position can be connected with the LCD display screen or a testing jig of the LCD display screen through a DuPont wire; copper column threaded holes are formed in two sides of the adapter plate, copper columns are screwed into the copper column threaded holes through screws, and the copper columns are used for connecting external test equipment.

2. The interposer for facilitating testing of an LCD display according to claim 1, wherein the testing jig of the LCD display is provided with corresponding pin pad locations for soldering pins.

3. The interposer for facilitating testing of an LCD display screen according to claim 1, wherein the LCD display screen is provided with corresponding pin pad locations for soldering pins.

4. The interposer for facilitating testing of an LCD display according to claim 1, wherein said pin pad locations are connected to said copper columns.

5. The interposer for facilitating testing of an LCD display screen of claim 1, wherein the pin pad locations comprise a first row of pins and a second row of pins, the first row of pins and the second row of pins comprising a plurality of pins.

6. The interposer for facilitating testing of an LCD display of claim 5, wherein the number of pins of said first row of pins is equal to or less than 60 pins of said second row of pins.

7. The interposer for facilitating testing of an LCD display according to claim 5, wherein the first row of pin holes are in one-to-one correspondence with the copper pillars on the left side of the interposer, and the second row of pin holes are in one-to-one correspondence with the copper pillars on the right side of the interposer.

8. A patch panel for facilitating testing of LCD display screens according to any of claims 1-7, wherein the patch panel further comprises a power interface.

9. An interposer for facilitating testing of LCD displays according to any of claims 1-7, wherein the copper pillars have a height of 5mm.

10. An adapter plate for facilitating testing of LCD displays according to claim 9, wherein the threaded length of the copper post threaded hole is 4mm.