Backlight assembly attaching and testing jig of LCD module

Abstract

The utility model provides an LCD module backlight assembly attaching and testing jig which comprises a light guide plate and a benchmarking assembly arranged on the light guide plate, a placing position is arranged on the light guide plate, the benchmarking assembly is arranged on one side of the placing position, a testing FPC and an elastic pressing assembly are arranged on one side, facing the benchmarking assembly, of the placing position, and the testing FPC and the elastic pressing assembly are arranged on the other side of the placing position. The benchmarking assembly comprises a fixed base arranged on the side, away from the containing position, of the elastic pressing assembly, a rotating structure rotationally arranged on the fixed base, a telescopic structure connected to the end, away from the fixed base, of the rotating structure, and a CCD camera module connected to the end, away from the rotating structure, of the telescopic structure. The rotating structure rotates on the fixed base to adjust the angle between the CCD camera module and the LCD module, the telescopic structure is used for driving the CCD camera module to move to adjust the distance between the CCD camera module and the LCD module, and the CCD camera module can accurately identify and position a Mark point above the LCD module by adjusting the angle and the distance between the CCD camera module and the LCD module.

Description

Technical Field

[0001] The utility model relates to the technical field of LCD, in particular to a backlight component attachment and inspection jig for an LCD module. Background Art

[0002] With the rapid development of science and technology, LCD modules have been widely used and continuously improved. LCD modules have been widely used in various fields due to their advantages such as high resolution, low power consumption and bright colors.

[0003] In the prior art, the backlight assembly of the LCD module is usually attached by positioning and identifying from the top of the product through a fixed CCD camera module, and then the backlight assembly is attached manually. However, because the fixed CCD camera module needs to frequently fine-tune the LCD module when looking for the mark point, and the fixed CCD camera module has poor focusing effect, the contrast between the LCD module and the fixture is not high and the visual imaging boundary is not clear, and recognition errors are prone to occur, resulting in frequent inaccurate positioning and lowering production efficiency. After the backlight assembly is attached, it is transported to the inspection station to inspect whether the LCD module display is normal. The backlight assembly attachment station has a single functionality and is time-consuming and labor-intensive. Utility Model Content

[0004] Based on this, the purpose of the present invention is to provide a backlight assembly attachment and inspection jig for an LCD module, which can effectively solve the deficiencies in the above-mentioned prior art.

[0005] A backlight assembly attachment and inspection jig for an LCD module comprises a light guide plate and a marking assembly disposed on the light guide plate for identifying and positioning a Mark point of an LCD module, a placement position for placing the LCD module to which it belongs is disposed at the center of the top of the light guide plate, the marking assembly is disposed on one side of the placement position, a test FPC for detecting the LCD module and a spring-pressing assembly disposed adjacent to the test FPC for connecting the LCD module and the test FPC are disposed on the side of the placement position facing the marking assembly, the marking assembly comprises a fixed base disposed on the side of the spring-pressing assembly away from the placement position, a rotating structure rotatably disposed on the fixed base, and a hinged structure on the fixing base. The rotating structure comprises a telescopic structure on one end away from the fixed base and a CCD camera module connected to the telescopic structure on one end away from the rotating structure, wherein the CCD camera module is used to identify and locate the Mark point of the LCD module, and the rotating structure is rotated on the fixed base to adjust the angle between the CCD camera module and the LCD module, and the telescopic structure is used to drive the CCD camera module to move to adjust the distance between the CCD camera module and the LCD module, so that the CCD camera module can accurately identify and locate the Mark point above the LCD module by adjusting the angle and distance between the CCD camera module and the LCD module.

[0006] Compared with the prior art, the beneficial effects of the utility model are: by rotating the rotating structure on the fixed base to adjust the angle between the CCD camera module and the LCD module, the telescopic structure drives the CCD camera module to move forward and backward toward the LCD module to adjust the distance between the CCD camera module and the LCD module, and by swinging the telescopic structure on the rotating structure to focus, the CCD camera module can accurately identify and locate the Mark point of its FPC above the LCD module, thereby allowing the FPC of the backlight assembly to be more accurately attached to the FPC of the LCD module, thereby solving a series of problems caused by the poor focusing effect of the fixed CCD camera module; A rotating structure is rotated on a fixed base to adjust the angle between the CCD camera module and the LCD module to which the backlight assembly is attached, and the CCD camera module is driven to move back and forth toward the LCD module to which the backlight assembly is attached through the telescopic structure to adjust the distance between the CCD camera module and the LCD module to which the backlight assembly is attached, so that the CCD camera module can accurately identify and locate the Mark point of the FPC above the LCD module to which the backlight assembly is attached, thereby enabling the FPC of the LCD module to which the backlight assembly is attached to be accurately connected to the test FPC, and the LCD module to which the backlight assembly is attached to be inspected, thereby solving the problem of the single functionality of the backlight assembly attachment station.

[0007] Furthermore, the spring-pressing assembly includes a hinged bracket arranged on the light guide plate at the placement position facing the side of the benchmarking assembly, a spring-pressing plate structure for connecting the LCD module and the test FPC is hinged on the hinged bracket, a tensioning spring for popping up the spring-pressing plate structure is provided on the hinged bracket, and a snap structure for fixing the spring-pressing plate structure is provided on the side of the test FPC away from the hinged bracket.

[0008] Furthermore, a pressure strip groove for installing a pressure strip is provided on the side where the spring-pressing plate structure presses the test FPC, and the pressure strip is used to buffer the pressing force to play a protective role.

[0009] Furthermore, an annular hole is opened on the fixed base, a rotating bearing is arranged in the annular hole, the rotating bearing is fixedly connected to the rotating structure, and the rotating bearing is smoothly connected to the inner wall of the annular hole.

[0010] Furthermore, a base plate is provided at the bottom of the light guide plate, and a lighting structure is provided on the base plate, and the lighting structure is provided below the placement position.

[0011] Furthermore, a first switch for controlling the lighting structure and a second switch for controlling the test FPC are provided on one side of the base plate.

[0012] Furthermore, a plurality of positioning members are provided on the light guide plate, and the positioning members are circumferentially distributed at the placement positions, and a plurality of positioning holes for installing the positioning members are arranged at the placement positions.

[0013] Furthermore, a label placement position is provided on the light guide plate, and the label placement position is arranged on a side of the placement position away from the marking component.

[0014] Furthermore, a CCD display screen for displaying visual imaging of the CCD camera module is arranged on the light guide plate, and the CCD display screen is arranged on one side of the alignment component. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an overall structural diagram of the backlight assembly attachment and inspection jig of the LCD module in the embodiment of the utility model;

[0016] Figure 2 It is an enlarged schematic diagram of a part A in an embodiment of the utility model;

[0017] Figure 3 This is an overall structural diagram of the benchmarking component in the embodiment of the utility model;

[0018] Description of main component symbols:

[0019]

[0020]

[0021] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. 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 thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] 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.

[0025] See also Figures 1 to 3 , shown is a backlight assembly attachment and inspection jig for an LCD module in an embodiment of the utility model, comprising a light guide plate 10 and a marking assembly 20 disposed on the light guide plate 10 for identifying and positioning a Mark point of an LCD module, a placement position 30 for placing the LCD module is disposed at the center of the top of the light guide plate 10, the marking assembly 20 is disposed on one side of the placement position 30, a test FPC 40 for detecting the LCD module is disposed on the side of the placement position 30 facing the marking assembly 20, and a spring-pressing assembly 50 disposed adjacent to the test FPC 40 for connecting the LCD module and the test FPC 40 is disposed.

[0026] It should be noted that the marking component 20 includes a fixed base 21 arranged on the side of the spring-pressing component 50 away from the placement position, a rotating structure 22 rotatably arranged on the fixed base 21, a telescopic structure 23 hinged on the end of the rotating structure 22 away from the fixed base 21, and a CCD camera module 24 connected to the end of the telescopic structure 23 away from the rotating structure 22, the CCD camera module 24 is used to identify and locate the Mark point of the LCD module, the rotating structure 22 is rotated on the fixed base 21 to adjust the angle between the CCD camera module 24 and the LCD module, the telescopic structure 22 is used to drive the CCD camera module 24 to move forward and backward toward the LCD module to adjust the distance between the CCD camera module 24 and the LCD module, and to focus by swinging the telescopic structure 23 on the rotating structure 22.

[0027] Furthermore, an annular hole is opened on the fixed base 21, and a rotating bearing 25 is arranged in the annular hole. The rotating bearing 25 is fixedly connected to the rotating structure 22, and the rotating bearing 25 is smoothly connected to the inner wall of the annular hole.

[0028] Furthermore, a CCD display screen 12 for displaying visual imaging of the CCD camera module 24 is provided on the light guide plate 10 , and the CCD display screen 12 is provided on one side of the alignment component 20 .

[0029] It can be understood that by adjusting the angle and distance between the CCD camera module 24 and the LCD module, by swinging the telescopic structure 22 on the rotating structure 22 to focus, and by observing the CCD display screen 12, the CCD camera module 24 can accurately identify and locate the Mark point of its FPC above the LCD module, so that the FPC of the backlight assembly can be more accurately attached to the FPC of the LCD module.

[0030] It should be noted that the spring-pressing assembly 50 includes a hinged bracket 51 arranged on the light guide plate 10 at the placement position 30 facing the side of the benchmarking assembly 20, a spring-pressing plate structure 52 for connecting the LCD module and the test FPC 40 is hinged on the hinged bracket 51, a tensioning spring 53 for popping up the spring-pressing plate structure 52 is provided on the hinged bracket 51, and a snap-fit ​​structure 54 for fixing the spring-pressing plate structure 52 is provided on the side of the test FPC 40 away from the hinged bracket 51.

[0031] It can be understood that by adjusting the angle and distance between the CCD camera module 24 and the LCD module with the backlight assembly attached, by swinging the telescopic structure 23 on the rotating structure 22 to focus, and by observing the CCD display screen 12, the CCD camera module 24 can accurately identify and locate the Mark point of the FPC above the LCD module with the backlight assembly attached, so that the FPC of the LCD module with the backlight assembly attached can be accurately connected to the test FPC40, and by pressing the spring-pressing plate structure 52 toward one side of the test FPC40 to press the FPC of the LCD module with the backlight assembly attached and fixing the spring-pressing plate structure 52 through the buckle structure 54, so that the FPC of the LCD module with the backlight assembly attached is stably connected to the test FPC40, and then the LCD module with the backlight assembly attached is detected.

[0032] Furthermore, a pressure strip groove 55 for installing a pressure strip is provided on the side where the spring plate structure 52 presses the test FPC 40 . The pressure strip is used to buffer the pressing force and thus play a protective role.

[0033] It can be understood that the FPC of the LCD module is protected by providing the pressure strip groove 55 .

[0034] Furthermore, a bottom plate 60 is provided at the bottom of the light guide plate 10 , and a lighting structure is provided on the bottom plate 60 . The lighting structure is provided below the placement position 30 .

[0035] It should be noted that the lighting structure in this embodiment is a commonly used lighting structure in the prior art and is therefore not shown in the figure and will not be described in detail. In this embodiment, the light guide plate 10 is a transparent acrylic light guide plate.

[0036] It can be understood that by setting the light guide plate 10 as a transparent acrylic light guide plate, and by setting an illumination structure on the base plate and the illumination structure being arranged below the placement position 30, the clarity of the visual imaging of the CCD camera module 24 can be improved, and the contrast between the Mark point and other areas after the visual imaging of the CCD camera module 24 can be improved, thereby reducing the error rate of device recognition.

[0037] Furthermore, a first switch for controlling the lighting structure and a second switch for controlling the test FPC are provided on one side of the base plate.

[0038] It can be understood that by setting the first switch 61 and the second switch 62 , the operator can control the lighting structure and the test FPC 40 more conveniently.

[0039] Furthermore, a plurality of positioning members 31 are provided on the light guide plate 10 . The positioning members 31 are circumferentially distributed at the placement positions 30 . A plurality of positioning holes 32 for installing the positioning members 31 are arranged in the placement positions 30 .

[0040] It can be understood that by placing the LCD module on the placement position 30 and by circumferentially pressing the positioning member 31 against the outside of the LCD module, the accuracy of placing the LCD module is improved and the stability of the LCD module in the placement position is increased, making the backlight assembly attachment process and the LCD module testing process more stable.

[0041] Furthermore, a label placement position 11 is provided on the light guide plate 10 , and the label placement position 11 is provided on a side of the placement position 30 away from the alignment component 20 .

[0042] It can be understood that by setting the label placement position 11, it is convenient to identify the model of the LCD module during use.

[0043] In summary, the backlight assembly attachment and inspection jig of the LCD module in the above-mentioned embodiment of the utility model adjusts the angle between the CCD camera module and the LCD module by rotating the rotating structure on the fixed base, drives the CCD camera module to move back and forth toward the LCD module through the telescopic structure to adjust the distance between the CCD camera module and the LCD module, and focuses by swinging the telescopic structure on the rotating structure, so that the CCD camera module can accurately identify and locate the Mark point of its FPC above the LCD module, thereby allowing the FPC of the backlight assembly to be more accurately attached to the FPC of the LCD module, thereby solving a problem caused by the poor focusing effect of the fixed CCD camera module. A series of problems; by rotating the rotating structure on the fixed base to adjust the angle between the CCD camera module and the LCD module with the backlight assembly attached, the telescopic structure is used to drive the CCD camera module to move back and forth toward the LCD module with the backlight assembly attached to adjust the distance between the CCD camera module and the LCD module with the backlight assembly attached, so that the CCD camera module can accurately identify and locate the Mark point of the FPC above the LCD module with the backlight assembly attached, thereby making the FPC of the LCD module with the backlight assembly attached can be accurately connected to the test FPC, and the LCD module with the backlight assembly attached can be tested, thereby solving the problem of the single functionality of the backlight assembly attachment station.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A backlight assembly attachment and inspection jig for an LCD module, characterized in that: The invention comprises a light guide plate and a marking component arranged on the light guide plate for identifying and positioning the Mark point of the LCD module, a placement position for placing the LCD module is arranged at the center of the top of the light guide plate, the marking component is arranged on one side of the placement position, a test FPC for detecting the LCD module and a spring-pressing component arranged adjacent to the test FPC for connecting the LCD module and the test FPC are arranged on the side of the placement position facing the marking component, the marking component comprises a fixed base arranged on the side of the spring-pressing component away from the placement position, a rotating structure rotatably arranged on the fixed base, and a hinged structure on the rotating structure away from the placement position. A telescopic structure on one end of the fixed base and a CCD camera module connected to the end of the telescopic structure away from the rotating structure, the CCD camera module is used to identify and locate the Mark point of the LCD module, the rotating structure is rotated on the fixed base to adjust the angle between the CCD camera module and the LCD module, the telescopic structure is used to drive the CCD camera module to move to adjust the distance between the CCD camera module and the LCD module, and the angle and distance between the CCD camera module and the LCD module are adjusted so that the CCD camera module can accurately identify and locate the Mark point above the LCD module.

2. The backlight assembly attachment and inspection jig of the LCD module according to claim 1, characterized in that: The spring-pressing assembly includes a hinged bracket arranged on the light guide plate at the placement position facing the side of the benchmarking assembly, a spring-pressing plate structure for connecting the LCD module and the test FPC is hinged on the hinged bracket, a tensioning spring for popping up the spring-pressing plate structure is provided on the hinged bracket, and a snap structure for fixing the spring-pressing plate structure is provided on the side of the test FPC away from the hinged bracket.

3. The backlight assembly attachment and inspection jig of the LCD module according to claim 2, characterized in that: A pressure strip groove for installing a pressure strip is provided on the side where the spring-pressing plate structure presses the test FPC. The pressure strip is used to buffer the pressing force and thus play a protective role.

4. The backlight assembly attachment and inspection jig of the LCD module according to claim 1, characterized in that: An annular hole is opened on the fixed base, a rotating bearing is arranged in the annular hole, the rotating bearing is fixedly connected to the rotating structure, and the rotating bearing is smoothly connected to the inner wall of the annular hole.

5. The backlight assembly attachment and inspection jig for LCD modules according to claim 1, characterized in that: A base plate is arranged at the bottom of the light guide plate, and an illumination structure is arranged on the base plate. The illumination structure is arranged below the placement position.

6. The backlight assembly attachment and inspection jig for LCD modules according to claim 5, characterized in that: A first switch for controlling the lighting structure and a second switch for controlling the test FPC are arranged on one side of the bottom plate.

7. The backlight assembly attachment and inspection jig for LCD modules according to claim 1, characterized in that: A plurality of positioning members are arranged on the light guide plate. The positioning members are circumferentially distributed at the placement positions. A plurality of positioning holes for installing the positioning members are arranged at the placement positions.

8. The backlight assembly attachment and inspection jig for LCD modules according to claim 1, characterized in that: A label placement position is provided on the light guide plate, and the label placement position is arranged on a side of the placement position away from the marking component.

9. The backlight assembly attachment and inspection jig of LCD module according to claim 1, characterized in that: A CCD display screen for displaying the visual imaging of the CCD camera module is arranged on the light guide plate, and the CCD display screen is arranged on one side of the alignment component.

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