CN219553221U

CN219553221U - Display module testing system

Info

Publication number: CN219553221U
Application number: CN202223150466.9U
Authority: CN
Inventors: 贺建文
Original assignee: Wannian Lianchuang Display Technology Co ltd
Current assignee: Wannian Lianchuang Display Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-08-18
Anticipated expiration: 2032-11-25

Abstract

The utility model provides a display module testing system, which comprises a touch testing jig, a display testing jig, a processor and a main control module, wherein the processor and the main control module are electrically connected, the processor is connected with the touch testing jig and the display testing jig, the main control module is connected with the touch testing jig, the touch testing jig is electrically connected with the display module through an adapter plate, the touch testing jig, the display testing jig, the main control module and the adapter plate are integrated in the same shell, a probe is arranged on the adapter plate, a placing groove is formed in the shell, the display module is positioned in the placing groove, a through hole is formed in the bottom of the placing groove, the probe penetrates through the through hole to extend into the placing groove, and a pressing component is arranged on the shell. According to the utility model, the problem that the display module flows to the client without performing touch test can be avoided, meanwhile, the touch test and the display test can be performed on-line, a station is not required to be converted, and the overall production efficiency is improved.

Description

Display module testing system

Technical Field

The utility model relates to the field of display modules, in particular to a display module testing system.

Background

The display module is a generic term for modular components assembled by a display panel and related components such as a driving circuit, a backlight source, an integrated circuit, etc., and is widely applied to various electronic products, such as core components of mobile phones, flat panels, computers, etc.

At present, the display module is basically in a TDDI structure (Touch and Display Driver Integration, touch control and display drive integrated structure), the display function and the touch control function of the display module are required to be respectively tested through the display test fixture and the TP test fixture, the display test fixture and the TP test fixture cannot communicate with each other, two stations are required to be occupied for testing, in addition, because of human errors, the situation that the display module does not do TP test and flows out to a customer frequently occurs, and customer dissatisfaction is caused.

Disclosure of Invention

Accordingly, an objective of the present utility model is to provide a display module testing system, which solves the above-mentioned drawbacks of the prior art.

In order to achieve the above object, the utility model provides a display module testing system, which comprises a touch testing jig and a display testing jig, wherein the touch testing jig and the display testing jig are respectively used for testing the touch function and the display function of a display module, the display module testing system further comprises a processor and a main control module which are electrically connected, the processor is electrically connected with the touch testing jig and the display testing jig, the main control module is electrically connected with the touch testing jig, the processor is used for controlling a driving IC in the display module to burn to obtain burning data through the touch testing jig, the driving IC is controlled to read back the burning data through the display testing jig, the touch testing jig is electrically connected with the display module through an adapter plate, the touch testing jig, the display testing jig, the main control module and the adapter plate are integrated in the same shell, a probe is arranged on the adapter plate, a placing groove is arranged on the shell, the display module is arranged in the shell, the placing groove is arranged in the shell, and the probe is arranged on the bottom of the shell, and penetrates through the pressing assembly, and the probe is arranged on the bottom of the shell.

The beneficial effects of the utility model are as follows: the touch test fixture and the display test fixture are respectively connected with the same processor, the touch test fixture and the display test fixture are respectively electrically connected with the display module, the main control module is electrically connected with the processor, when the display module passes through the touch test, the main control module controls the driving IC in the display module to burn corresponding burnt data through the touch test fixture, so that when the display test is carried out subsequently, the driving IC can be controlled by the display test fixture to read back and return the burnt data to the processor, whether the display module carries out the touch test or not can be judged according to the returned burnt data, the problem that the display module is not subjected to the touch test and flows to a customer can be avoided, meanwhile, the touch test and the display test can be carried out on-line work without converting stations, and the overall production efficiency is improved.

Preferably, the display module includes a plurality of registers, each of the registers is electrically connected to the driving IC, and each of the registers is used for storing one of the recording data.

Preferably, the main control module further comprises an error reporting unit, and the error reporting unit is used for reporting errors according to error reporting signals from the display test jig.

Preferably, the processor is electrically connected with the display module, and the display module is used for correspondingly displaying the touch test result signal from the processor.

Preferably, the main control module is electrically connected with the touch testing jig through a first signal line, and the touch testing jig is electrically connected with the display module through a second signal line.

Preferably, the touch testing jig is electrically connected with the display module through an adapter plate, and the display testing jig is electrically connected with the display module through a third signal line.

Preferably, the pressing assembly comprises a pressing plate and an inserting strip integrally connected with the pressing plate, a slot is formed in the surface of the casing, and the inserting strip is inserted into the slot, so that the pressing plate presses the probe and the FPC.

Preferably, the pressing plate is provided with a finger ring, and the finger ring and the cutting are respectively positioned on two opposite side walls of the pressing plate.

Preferably, the insert is integrally connected with a protrusion, a groove is formed in the wall of the slot, and the insert is inserted into the slot so that the protrusion is embedded into the groove.

Preferably, the protrusion is in a hemispherical structure, and the groove is connected with the groove wall of the slot through an arc surface.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a functional schematic diagram of a display module testing system according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a casing according to an embodiment of the present utility model.

Description of main reference numerals:

touch control test fixture	10	Casing of machine	60
				Display test fixture	20	Placement tank	61
Main control module	30	Auxiliary groove	62
				Error reporting unit	31	Probe with a probe tip	63
Processor and method for controlling the same	40	Pressing plate	64
				Display module	50	Cutting slip	65
Driving IC	51	Slot groove	66
				Register	52	Finger ring	67

The utility model will be further described in the following detailed description in conjunction with the above-described figures.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and fig. 2, a display module 50 testing system in an embodiment of the utility model includes a touch testing jig 10, a display testing jig 20, a processor 40 and a main control module 30.

Wherein: the touch test fixture 10 and the display test fixture 20 are respectively used for testing the touch function and the display function of the display module 50, the touch test fixture 10 and the display test fixture 20 are respectively electrically connected with the processor 40, the main control test system is electrically connected with the touch test fixture 10 and is electrically connected with the processor 40, when the touch test is performed on the display module 50, a touch test starting signal can be sent to the touch test fixture 10 through the processor 40, so that the touch test fixture 10 performs touch test on the display module 50, when a touch test result is displayed on the display screen of the main control module 30, when the touch test is passed, a green word PASS word sample is displayed, and when the touch test is not passed, a red NG word sample is displayed.

In this embodiment, in order to detect whether the display module 50 has performed a corresponding touch test in the following process, when the touch test of the display module 50 passes, the processor 40 sends a burning signal to the touch test fixture 10, so as to control the driving IC51 in the display module 50 to perform burning through the touch test fixture 10, thereby obtaining preset burning data, so that when the display test is performed, the driving IC51 in the display module 50 is controlled to perform reading back through the display test fixture 20, and when the reading data and the burning data are consistent, it is indicated that the display module 50 has performed the touch test, and when the reading data and the burning data are different, it is indicated that the display module 50 has not performed the touch test, and it is necessary to perform reworking processing on the display module 50.

In this embodiment, the display module 50 includes registers 52, each register 52 is electrically connected to the driving IC51, and each register 52 is used for storing one recording data, that is, each new recording data obtained by recording, the unused register 52 is selected for storing.

In this embodiment, the main control module 30 may be a computer, the main control module 30 further includes an error reporting unit 31, the error reporting unit 31 is electrically connected to the display test fixture 20, the error reporting unit 31 is configured to report errors according to error reporting signals from the display test fixture 20, it is understood that when the driving IC51 reads back data and returns the read-back data to the display test fixture 20, the display test fixture 20 can determine the read-back data, and send error reporting signals to the error reporting unit 31 according to a determination result, when the determination result is that the read-back data is different from the burnt data, the error reporting unit 31 sends error reporting signals to the error reporting unit 31, and the error reporting unit 31 performs blue error word display on the display screen of the main control module 30 based on the error reporting signals, and when the read-back data is consistent with the burnt data, no response is made.

In this embodiment, in order to avoid that a worker continuously lifts his head to view the display screen in the main control module 30, the processor 40 is electrically connected with the display module 50, so that the display module 50 can correspondingly display the touch test result signal from the processor 40, that is, when the touch test fixture 10 sends a corresponding touch test result signal to the processor 40 according to the touch test result, the processor 40 controls the display module 50 to make a corresponding response according to the corresponding touch test result signal, that is, when the touch test result is that the touch test is passed, a green PASS word is displayed on the display module 50, and when the touch test result is that the touch test is not passed, a red NG word is displayed on the display module 50, so that the physical burden of the worker is reduced through the above arrangement.

In this embodiment, the main control system is electrically connected to the touch test fixture 10 through a first signal line, the touch test fixture 10 is electrically connected to the display module 50 through a second signal line, the display test fixture 20 is electrically connected to the display module 50 through a third signal line, wherein the main control system is capable of directly receiving the touch test signal of the touch test fixture 10 through the first signal line to display the data of the touch test on the main control system, the touch test fixture 10 is capable of sending the touch test signal to the display module 50 through the second signal line, the display test fixture 20 is capable of sending the display test signal to the display module 50 through the third signal line, and the read-back data read back by the driving IC51 in the display module 50 is also returned to the display test fixture 20 through the third signal line.

In this embodiment, the touch test fixture 10 is electrically connected to the display module 50 through an interposer, and it should be noted that the interposer is a flexible circuit board.

In this embodiment, the touch test fixture, the display test fixture, the main control module and the adapter plate are integrated in the same casing 60, the casing 60 is provided with a placement groove 61 for placing the display module, the size of the inner cavity of the placement groove 61 is adapted to the size of the display module, meanwhile, in order to place the display module in the placement groove 61, two auxiliary grooves 62 are provided on the surface of the casing 60, the two auxiliary grooves 62 are respectively located on two opposite sides of the placement groove 61 and are all communicated with the placement groove 61, and it can be understood that the depth of the two auxiliary grooves 62 is greater than the depth of the placement groove 61, so as to place or take the display module.

In this embodiment, the interposer is provided with the probe 63, the probe 63 is connected with the FPC of the display module so as to facilitate the subsequent test operation, it can be understood that, in order to facilitate the contact between the probe 63 and the FPC of the display module, a through hole is formed at the bottom of the placement groove 61, one end of the probe 63 passes through the through hole and extends into the placement groove 61, and the chassis 60 is provided with a pressing assembly so as to press-contact the FPC with the probe 63 by using the pressing assembly, thereby avoiding the connection between the FPC and the probe 63 during the test, and resulting in poor test.

Specifically, the pressing assembly includes a pressing plate 64 and an insert 65 integrally connected with the pressing plate 64, a slot 66 is formed on the casing 60, and when the insert 65 is inserted into the slot 66, the pressing plate 64 presses the probe 63 and the FPC to ensure the connection stability between the FPC and the probe 63.

It will be appreciated that the side wall of the cutting 65 is integrally connected with a protrusion, a groove is provided on the inner wall of the slot 66, when the cutting 65 is inserted to a certain depth, the protrusion is embedded into the groove to fix the cutting 65 in the slot 66, so that the protrusion is conveniently drawn out of the groove, and is designed into a hemispherical structure, and the groove is connected with the groove wall of the slot 66 through the cambered surface.

In this embodiment, the middle part of the pressing plate 64 is fixedly connected with a finger ring 67, and the fingers of the staff are sleeved in the finger ring 67, so that the staff can operate, and the cutting 65 can be conveniently extracted from the slot 66.

In a specific implementation, the touch test fixture 10 and the display test fixture 20 are respectively connected with the same processor 40, the touch test fixture 10 and the display test fixture 20 are respectively electrically connected with the display module 50, the main control module 30 is electrically connected with the processor 40, when the display module 50 passes through the touch test, the main control module 30 controls the driving IC51 in the display module 50 to burn corresponding burning data through the touch test fixture 10, so that when the display test is performed subsequently, the driving IC51 can be controlled to read back and return the burning data to the processor 40 through the display test fixture 20, whether the display module 50 performs the touch test or not is judged according to the returned burning data, the problem that the touch test and the display test are not performed on the display module 50 and flow to clients can be avoided, the station is not required to be converted, and the whole production efficiency is improved.

It should be noted that the above implementation procedure is only for illustrating the feasibility of the present utility model, but this does not represent that the display module testing system of the present utility model has only one implementation procedure, and instead, the display module testing system of the present utility model can be incorporated into the feasible implementation of the present utility model.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a display module testing system, includes touch test tool and display test tool, touch test tool with display test tool is used for testing the touch function and the display function of display module respectively, its characterized in that still includes electric connection's treater and main control module, the treater with touch test tool electric connection, and with display test tool electric connection, main control module with touch test tool electric connection, the treater is used for through touch test tool control drive IC in the display module burns and records and obtain burnt data, and through display test tool control drive IC read back burnt data, touch test tool pass through the keysets with display module electric connection, touch test tool the display test tool main control module with the panel is integrated in same casing, be equipped with the probe on the panel, set up the standing groove on the casing, the display module is located the standing groove, the bottom of the standing groove is equipped with the FPC, set up and is used for extending to the probe in the laminating subassembly the laminating is used for the laminating subassembly.

2. The display module testing system of claim 1, wherein the display module comprises a plurality of registers, each of the registers is electrically connected to the driving IC, and each of the registers is used for storing one of the recording data.

3. The display module testing system of claim 1, wherein the processor is electrically connected to the display module, and the display module is configured to display a touch test result signal from the processor accordingly.

4. The display module testing system of claim 1, wherein the main control module is electrically connected to the touch testing jig through a first signal line, and the touch testing jig is electrically connected to the display module through a second signal line.

5. The display module testing system of claim 1, wherein the display testing jig is electrically connected to the display module through a third signal line.

6. The display module testing system of claim 1, wherein the pressing assembly comprises a pressing plate and an inserting strip integrally connected with the pressing plate, a slot is formed in the surface of the casing, and the inserting strip is inserted into the slot, so that the pressing plate presses the probe and the FPC.

7. The system according to claim 6, wherein the pressing plate is provided with finger rings, and the finger rings and the cutting are respectively located on two opposite side walls of the pressing plate.

8. The system according to claim 6, wherein the insert is integrally connected with a protrusion, a groove is formed on a wall of the slot, and the insert is inserted into the slot so that the protrusion is embedded in the groove.

9. The display module testing system of claim 8, wherein the protrusion has a hemispherical structure, and the groove is engaged with the groove wall of the slot through an arc surface.