TFT module testing device

By designing a multi-module TFT module testing device, the problem of inconsistent testing of different interfaces of TFT displays was solved, realizing convenient, stable and safe unified testing, and reducing the complexity and cost of production management.

CN223742630UActive Publication Date: 2025-12-30GUANGZHOU TONGHUA IND CO LTD
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Patent Information

Application Number
CN202423263137.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-30
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing TFT module testing equipment has inconsistent and complex testing methods for TFT displays with different interfaces, which increases the complexity of production management. In addition, high-end driving solutions are expensive and are not suitable for the cost control and ease of maintenance requirements of LCD production.

Method used

A TFT module testing device was designed, which includes multiple modules such as a control signal connection module, a main control module, an image data acquisition module, an image transmission module, a bridge chip module, a communication module, and a data reporting module. It can uniformly drive TFT displays with SPI, 8080, LVDS and MIPI interfaces, and realize convenient testing.

Benefits of technology

It enables unified testing of TFT displays with different interfaces, reduces the complexity of production management, improves operator convenience, ensures data security and stability, avoids data loss and connection interruption, and enhances the sufficiency of data acquisition.

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Abstract

The utility model discloses a TFT module testing device which comprises a module testing system, a control signal connection module is arranged in the module testing system, the output end of the control signal connection module is electrically connected with a master control module, the input end of the master control module is electrically connected with an image data acquisition module, and the image data acquisition module is electrically connected with an image processing module. The input end of the main control module is electrically connected with a power supply module, the output end of the main control module is electrically connected with an image transmission module, the output end of the image transmission module is electrically connected with a bridge chip module, and the output end of the bridge chip module is electrically connected with the main control module. And the output end of the main control module is bidirectionally and electrically connected with a communication module. According to the TFT module testing device, the phenomenon that a traditional testing mode is not uniform and complex is changed, and a plurality of modules are adopted for driving, so that the phenomenon that testing types are not uniform is avoided, and the complexity of production management is not increased.
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Description

Technical Field

[0001] This utility model relates to the field of display screen testing technology, specifically a TFT module testing device. Background Technology

[0002] With the rapid development of technology, TFT displays are being used more and more widely in various electronic products, such as smartphones, tablets, and automotive displays. However, TFT displays have a wide variety of interfaces, such as SPI, 8080, RGB, LVDS, and MIPI. These different interfaces make the testing of TFT displays more complicated.

[0003] However, existing TFT module testing equipment typically uses ordinary low-end microcontrollers to test displays with SPI and 8080 interfaces, while high-end multi-core processors are generally used to drive displays with LVDS and MIPI interfaces. This method results in inconsistent testing types and different software operation methods, increasing the complexity of production management. Furthermore, the driver solutions for LVDS and MIPI interface displays are complex and expensive, making them unsuitable for cost control and ease of maintenance requirements in LCD production.

[0004] Therefore, it is necessary to redesign and modify the TFT module testing device to effectively prevent the phenomenon of inconsistent and complex testing methods. Utility Model Content

[0005] To address the problems mentioned in the background art, the purpose of this utility model is to provide a TFT module testing device that has the advantages of unified and convenient testing, and solves the problems of inconsistent and complex testing methods.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a TFT module testing device, comprising a module testing system, wherein the module testing system is internally equipped with a control signal connection module, the output end of the control signal connection module is electrically connected to a main control module, the input end of the main control module is electrically connected to an image data acquisition module, the input end of the main control module is electrically connected to a power supply module, the output end of the main control module is electrically connected to an image transmission module, the output end of the image transmission module is electrically connected to a bridge chip module, the output end of the bridge chip module is electrically connected to the main control module, the output end of the main control module is bidirectionally electrically connected to a communication module, the output end of the communication module is bidirectionally electrically connected to a host computer, the output end of the main control module is electrically connected to a TFT display screen SPI, 8080 interface, a TFT display screen LVDS interface, GM8285C, and a TFT display screen MIPI interface, LT8918 respectively, the output end of the main control module is bidirectionally electrically connected to a data reporting module, the output end of the data reporting module is bidirectionally electrically connected to a storage module, and the input end of the main control module is electrically connected to an interface module.

[0007] As a preferred embodiment of this invention, the output terminal of the data report module is electrically connected to a display module, and the display module is used in conjunction with the data report module.

[0008] As a preferred embodiment of this invention, the input terminal of the image data acquisition module is electrically connected to a backup module, which is used in conjunction with the image data acquisition module.

[0009] As a preferred embodiment of this invention, the input terminal of the storage module is electrically connected to an encryption module, which is used in conjunction with the storage module.

[0010] As a preferred embodiment of this invention, the input terminal of the control signal connection module is electrically connected to a signal anti-interference module, which is used in conjunction with the control signal connection module.

[0011] As a preferred embodiment of this invention, the image data acquisition module comprises an image sensing module, a signal processing module, an image data amplification module, and an image data filtering module.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model TFT module testing device changes the phenomenon of inconsistent and complicated traditional testing methods. It adopts multiple modules for driving, so there will be no inconsistency in the types of tests, and no increase in the complexity of production management.

[0014] 2. By setting up a display module, this utility model enables the data in the data report module to be seen more intuitively by the operator, increasing the operator's understanding and convenience.

[0015] 3. This utility model, through the setting of the backup module, enables the data collected by the data acquisition module to be backed up, thus avoiding the loss of data.

[0016] 4. By setting up an encryption module, this utility model can make the data inside the storage module more secure and prevent theft.

[0017] 5. By incorporating a signal anti-interference module, this utility model can ensure a more stable signal connection to the control signal connection module, thus preventing connection interruptions.

[0018] 6. The present invention, through the configuration of the image data acquisition module consisting of an image sensing module, a signal processing module, an image data amplification module, and an image data filtering module, enables the image data acquisition module to acquire more fully and avoids the phenomenon of unstable data. Attached Figure Description

[0019] Figure 1 This is a structural system diagram of the present invention;

[0020] Figure 2 This is a system diagram of the image data acquisition module of this utility model. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 2As shown, this utility model provides a TFT module testing device, including a module testing system. The module testing system internally includes a control signal connection module. The output of the control signal connection module is electrically connected to a main control module. The input of the main control module is electrically connected to an image data acquisition module and a power supply module. The output of the main control module is electrically connected to an image transmission module, and the output of the image transmission module is electrically connected to a bridge chip module. The output of the bridge chip module is electrically connected to the main control module. The output of the main control module is bidirectionally electrically connected to a communication module, and the output of the communication module is bidirectionally electrically connected to a host computer. The output of the main control module is electrically connected to a TFT display screen SPI (8080 interface), a TFT display screen LVDS (GM8285C interface), and a TFT display screen MIPI (LT8918 interface). The output of the main control module is bidirectionally electrically connected to a data report module, and the output of the data report module is bidirectionally electrically connected to a storage module. The input of the main control module is electrically connected to an interface module.

[0023] refer to Figure 1 The output of the data report module is electrically connected to a display module, which is used in conjunction with the data report module.

[0024] As a technical optimization of this utility model, by setting up the display module, the data in the data report module can be seen more intuitively by the operator, increasing the operator's understanding and convenience.

[0025] refer to Figure 1 The input terminal of the image data acquisition module is electrically connected to a backup module, which is used in conjunction with the image data acquisition module.

[0026] As a technical optimization of this utility model, by setting up a backup module, the data collected by the data acquisition module can be backed up to avoid data loss.

[0027] refer to Figure 1 The input terminal of the storage module is electrically connected to an encryption module, which works in conjunction with the storage module.

[0028] As a technical optimization of this utility model, the encryption module can make the data inside the storage module more secure and prevent theft.

[0029] refer to Figure 1 The input terminal of the control signal connection module is electrically connected to a signal anti-interference module, which is used in conjunction with the control signal connection module.

[0030] As a technical optimization of this utility model, by setting up a signal anti-interference module, the signal connection of the control signal connection module can be made more stable, avoiding the phenomenon of connection interruption.

[0031] refer to Figure 2 The image data acquisition module consists of an image sensing module, a signal processing module, an image data amplification module, and an image data filtering module.

[0032] As a technical optimization of this utility model, by setting the image data acquisition module to consist of an image sensing module, a signal processing module, an image data amplification module, and an image data filtering module, the acquisition effect of the image data acquisition module can be more complete, avoiding the phenomenon of unstable data.

[0033] The working principle and usage process of this utility model are as follows: First, the signal is connected to the main control module through the control signal connection module. Then, the acquired data is transmitted to the main control module through the image data acquisition module. The main control module then transmits the data to the bridge chip module through the image transmission module. The bridge chip module converts the RGB format image data into the corresponding interface format data, thereby achieving a unified and convenient testing effect.

[0034] In summary, this TFT module testing device changes the traditional inconsistent and complex testing methods by using multiple modules for driving, thus avoiding inconsistent test types and reducing the complexity of production management.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A TFT module testing apparatus comprising a module testing system, characterized by: The internal setting of the module test system is provided with a control signal connection module, the output end of the control signal connection module is electrically connected with a main control module, the input end of the main control module is electrically connected with an image data acquisition module, the input end of the main control module is electrically connected with a power module, the output end of the main control module is electrically connected with an image transmission module, the output end of the image transmission module is electrically connected with a bridge chip module, the output end of the bridge chip module is electrically connected with the main control module, the output end of the main control module is bidirectionally electrically connected with a communication module, the output end of the communication module is bidirectionally electrically connected with a host computer, the output end of the main control module is respectively electrically connected with a TFT display screen SPI, an 8080 interface, a TFT display screen LVDS interface, a GM8285C and a TFT display screen MIPI interface, an LT8918, the output end of the main control module is bidirectionally electrically connected with a data reporting module, the output end of the data reporting module is bidirectionally electrically connected with a storage module, and the input end of the main control module is electrically connected with an interface module.

2. The TFT module testing device according to claim 1, wherein: The output end of the data reporting module is electrically connected with a display module, and the display module is used in cooperation with the data reporting module.

3. The TFT module testing device of claim 1, wherein: The input end of the image data acquisition module is electrically connected with a backup module, and the backup module is used in cooperation with the image data acquisition module.

4. The TFT module testing device of claim 1, wherein: The input end of the storage module is electrically connected with an encryption module, and the encryption module is used in cooperation with the storage module.

5. The TFT module testing device of claim 1, wherein: The input end of the control signal connection module is electrically connected with a signal anti-interference module, and the signal anti-interference module is used in cooperation with the control signal connection module.

6. The TFT module testing device of claim 1, wherein: The image data acquisition module is composed of an image sensing module, a signal processing module, an image data amplification module and an image data filtering module.