A display screen function test method combining touch test and display test

By using a test board that integrates touch and display testing in display production, simultaneous touch and display testing is achieved, solving the inefficiency problem caused by separate testing and improving testing and production efficiency.

CN119847831BActive Publication Date: 2025-11-21TRULY OPTO ELECTRONICS
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Patent Information

Application Number
CN202411637095.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-11-21
Estimated Expiration
2044-11-15

AI Technical Summary

Technical Problem

In traditional display production, display testing and touch testing are conducted separately, resulting in low testing and production efficiency.

Method used

A test board is used, which integrates touch test program and display test program. It performs simultaneous testing through electrical connection to the display screen, outputs signals and collects data.

Benefits of technology

This shortened the testing time for the display screen and improved testing and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a display screen function test method combining touch test and display test, which comprises the following steps: testing touch test programs and display test programs in a test board; selecting touch test items and display test items to be tested; connecting the display screen with the test board; lighting the display screen and starting the touch test programs and the display test programs to be tested; outputting test signals by the test board to make the display screen present display test pictures and collect touch test data; switching the display test pictures by the test board and analyzing the touch test data; and presenting touch test results on the display screen after completing the touch test items and the display test items one by one.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of display screen production, and particularly relates to a display screen function test method combining touch test and display test. BACKGROUND

[0002] In the traditional display screen production and manufacturing process, display test and touch test are two separate test links. The display test is to make the display screen display multiple pictures to detect whether the display effect of different pictures is qualified. The touch test is to measure the capacitance value, deviation value and noise value of the touch point of the display screen, to perform operation analysis on the measured values through an algorithm, and then to determine whether the values are qualified. Since the display test and the touch test need to be tested separately, the product test efficiency and the production efficiency are reduced to a certain extent. SUMMARY

[0003] The present application aims at overcoming the deficiencies in the prior art, and provides a display screen function test method combining touch test and display test.

[0004] The present application is achieved by the following technical solutions.

[0005] A display screen function test method combining touch test and display test, comprising:

[0006] Testing the touch test program and the display test program in the test firmware driving test board;

[0007] Selecting touch test items and display test items to be tested;

[0008] The display screen is electrically connected with the test board, the test board lights up the display screen and starts the touch test program and the display test program to be tested for testing;

[0009] The test board outputs a test signal to make the display screen present a display test picture and collect touch test data;

[0010] The test board switches the display test picture and analyzes the touch test data, and presents the touch test result on the display screen after completing the touch test items and the display test items one by one.

[0011] In one of the embodiments, the display screen is electrically connected with the test board through a connection wire harness.

[0012] In one of the embodiments, the test board comprises a test chip and a backlight driving module, the test chip is used for controlling test of the display screen, and the backlight driving module is used for driving the backlight source of the display screen to light up the display screen.

[0013] In one of the embodiments, the test board further comprises a power module, and the power module is used for providing power.

[0014] In one embodiment, the test board further comprises a power supply terminal, which is electrically connected with the power supply module.

[0015] In one embodiment, the test board outputs the touch test signal and the display test signal to control the display screen to present a display test picture and collect touch test data, including:

[0016] The test board outputs the touch test signal and the display test signal simultaneously.

[0017] The display screen displays the display test picture while collecting the touch test data.

[0018] In one embodiment, the display test picture has six types, which are a full display picture, a non-display picture, an odd row picture, an odd column picture, an even row picture and an even column picture.

[0019] In one embodiment, the test board controls the display screen to present the display test picture for a time greater than that of collecting the touch test data.

[0020] In one embodiment, the test board switches the display test picture and analyzes the touch test data, and presents the touch test result on the display screen after completing the touch test item and the display test item one by one, including:

[0021] The test board switches the display test picture while analyzing the touch test data.

[0022] The test board outputs the touch test signal and the display test signal one by one.

[0023] Each touch test result is obtained and presented on the display screen.

[0024] In one embodiment, the interval of outputting the touch test signal one by one is less than that of outputting the display test signal one by one.

[0025] Compared with the prior art, the present application has at least the following advantages:

[0026] The display screen function test method combining the touch test and the display test of the present application shortens the test time of the display screen, and improves the test efficiency and the production efficiency of the display screen by setting the test board to simultaneously perform the touch test and the display test on the display screen. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0028] Figure 1 A display screen function test method combining touch test and display test provided by the present application. DETAILED DESCRIPTION

[0029] In order to facilitate the understanding of the present application, the following will make a more comprehensive description of the present application with reference to the related drawings. The drawings show the preferred embodiments of the present application. However, the present application can be realized 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 application more thorough and comprehensive.

[0030] A display screen function test method combining touch test and display test, comprising:

[0031] Testing the touch test program and the display test program in the test firmware driving test board;

[0032] Selecting the touch test items and the display test items to be tested;

[0033] The display screen is electrically connected with the test board, the test board lights up the display screen and starts the touch test program and the display test program to be tested for testing;

[0034] The test board outputs test signals to make the display screen present the display test picture and collect touch test data;

[0035] The test board switches the display test picture and analyzes the touch test data, and presents the touch test results on the display screen after completing the touch test items and the display test items one by one.

[0036] A plurality of test items are provided on the test board, and in the present embodiment, the touch test items and the display test items are mainly provided. The touch test items and the display test items are burned into the test board in advance.

[0037] Preferably, the display screen is electrically connected with the test board through a connection harness, one end of the connection harness is electrically connected with the connector of the display screen, and the other end of the connection harness is electrically connected with the port of the test board.

[0038] Preferably, the test board comprises a test chip and a backlight driving module, the test chip is used for controlling and testing the display screen, and the backlight driving module is used for driving the backlight source of the display screen to light up the display screen.

[0039] Preferably, the test board further comprises a power module, the power module being configured to provide power. The power module provides power to the test board to ensure that the test is carried out smoothly.

[0040] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0041] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0042] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0043] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0044] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0045] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0046] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0047] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0048] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0049] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0050] Preferably, the test board further comprises a power supply terminal, the power supply terminal being electrically connected to the power module to supply power to the power module.

[0051] The touch test result is obtained and presented on the display screen.

[0052] The previous touch test data can be analyzed simultaneously while the test board outputs the next display test signal or the test board presents the previous display test picture.

[0053] Preferably, the interval of outputting the touch test signal is smaller than the interval of outputting the display test signal. The number of touch test items is more than the number of display test items, and the touch test items are 15 while the display test items are 6.

[0054] The embodiment of the present application shortens the test time of the display screen and improves the test efficiency and production efficiency of the display screen by setting the test board to simultaneously perform the touch test and the display test on the display screen.

[0055] The above-mentioned embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A method for testing a display screen function by combining a touch test and a display test, the method comprising: The application relates to a test board for testing a display screen, and belongs to the technical field of display screen testing. The test board comprises the following parts: a touch test program and a display test program are arranged in the test board to test the display screen; touch test items and display test items to be tested are selected; the touch test items and the display test items are arranged on the test board and are pre-burned into the test firmware; the display screen is electrically connected with the test board, the test board lights up the display screen and starts the touch test program and the display test program to be tested to test the display screen; the test board simultaneously performs touch test and display test on the display screen, outputs touch test signals and display test signals to the display screen, outputs the display test signals to make the display screen present a display test picture, outputs the touch test signals to test the touch performance of the display screen, thereby collecting touch test data; the display screen displays the display test picture and the test board collects the touch test data at the same time; the test board analyzes the last touch test data while switching the display test picture, outputs the touch test signals and the display test signals one by one, obtains each touch test result and presents the touch test result on the display screen; the display test picture has six kinds, and the six kinds of display test pictures are respectively a full display picture, a non-display picture, an odd row picture, an odd column picture, an even row picture and an even column picture; the test board controls the display screen to present the display test picture for a time greater than the time for collecting the touch test data; 2.The display screen function test method of claim 1, wherein, the interval for outputting the touch test signals one by one is smaller than the interval for outputting the display test signals one by one. 3.The display screen function test method of claim 1, wherein, The display screen is electrically connected with the test board through a connecting wire harness. 4.The display screen function test method of claim 1, wherein, The test board comprises a test chip and a backlight driving module, the test chip is used for controlling and testing the display screen, and the backlight driving module is used for driving the backlight source of the display screen to light up the display screen.

5. The method of claim 4, wherein the method further comprises: The test board further comprises a power supply module used for providing power supply. The test board further comprises a power supply end electrically connected with the power supply module.

Citation Information

Patent Citations

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    CN118885082A

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