Display screen function test method combining touch test and display test

Abstract

The invention discloses a touch test and display test combined display screen function test method. The method comprises the following steps: testing a touch test program and a display test program in a firmware drive test board; selecting a to-be-tested touch test item and a to-be-tested display test item; the display screen is electrically connected with the test board, and the test board lightens the display screen and starts a to-be-tested touch test program and a to-be-tested display test program for testing; the test board outputs a test signal to enable the display screen to present and display a test picture and collect touch test data; and the test board switches and displays the test picture and analyzes the touch test data, and after the touch test items and the display test items are completed one by one, the touch test result is displayed on the display screen. According to the embodiment of the invention, the touch test and the display test are simultaneously performed on the display screen, so that the test time of the display screen is shortened, and the test efficiency and the production efficiency of the display screen are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of display screen production, and in particular to a display screen function testing method combining touch testing and display testing. Background Art

[0002] In the traditional display manufacturing process, display testing and touch testing are two separate testing links. Display testing is to let the display screen display multiple screens to detect whether the display effects of different screens are qualified. Touch testing is to measure the capacitance, deviation value, and noise value of the touch point of the display screen, and then run and analyze the measured values ​​through algorithms to determine whether they are qualified. Since display testing and touch testing need to be tested separately, the efficiency of product testing and production efficiency are reduced to a certain extent. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a display screen function testing method that combines touch testing and display testing.

[0004] The objective of the present invention is achieved through the following technical solutions:

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

[0006] The test firmware drives the touch test program and display test program in the test board;

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

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

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

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

[0011] In one embodiment, the display screen is electrically connected to the test board via a connecting harness.

[0012] In one embodiment, the test board includes a test chip and a backlight driving module, the test chip is used to perform a control test on the display screen, and the backlight driving module is used to drive the backlight source of the display screen to light up the display screen.

[0013] In one embodiment, the test board further includes a power module, and the power module is used to provide power.

[0014] In one embodiment, the test board further includes a power supply end, and the power supply end is electrically connected to the power supply module.

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

[0016] The test board outputs touch test signals and display test signals simultaneously;

[0017] The display screen collects touch test data while displaying the test screen.

[0018] In one implementation manner, there are six display test pictures, 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 a test screen for a time that is greater than the time for collecting touch test data.

[0020] In one embodiment, the test board switches to display a test screen and analyzes touch test data, and presents touch test results on a display screen after completing touch test items and display test items one by one, including:

[0021] The test board switches to display the test screen while analyzing the touch test data described above;

[0022] The test board outputs touch test signals and display test signals one by one;

[0023] Get each touch test result and present it on the display.

[0024] In one embodiment, the interval at which the test board outputs touch test signals one by one is shorter than the interval at which the test board outputs display test signals one by one.

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

[0026] A display screen function testing method combining touch test and display test of the present invention performs touch test and display test on the display screen simultaneously by setting a test board, so as to shorten the test time of the display screen and improve the test efficiency and production efficiency of the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 A schematic diagram of a display screen function testing method combining touch testing and display testing provided by the present invention. DETAILED DESCRIPTION

[0029] 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. The preferred 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 thoroughly understood.

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

[0031] The test firmware drives the touch test program and display test program in the test board;

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

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

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

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

[0036] The test board is provided with a plurality of test items, and in this embodiment, mainly includes touch test items and display test items, which are both pre-programmed into the test fixture.

[0037] Preferably, the display screen is electrically connected to the test board via a connecting harness, one end of the connecting harness is electrically connected to a connector of the display screen, and the other end of the connecting harness is electrically connected to a port of the test board.

[0038] Preferably, the test board includes a test chip and a backlight driving module, the test chip is used to perform a control test on the display screen, and the backlight driving module is used to drive the backlight source of the display screen to light up the display screen.

[0039] Preferably, the test board further comprises a power module, which is used to provide power. The power module supplies power to the test board so that the test can proceed smoothly.

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

[0041] Preferably, lighting up the display screen is used to put the display screen in a working state so as to perform a touch test and a display test later. After the test board lights up the display screen, the touch test program and the display test program to be tested are started on the display screen for testing.

[0042] Preferably, the test board outputs a test signal to make the display screen present a test screen and collect touch test data, including:

[0043] The test board outputs touch test signals and display test signals simultaneously;

[0044] The display screen collects touch test data while displaying the test screen.

[0045] The test board performs touch test and display test on the display screen at the same time, by outputting touch test signals and display test signals to the display screen, outputting display test signals so that the display screen presents a display test screen, and outputting touch test signals to test the touch performance of the display screen, so that touch test data needs to be collected. In this embodiment, the display screen displays the test screen and the test board collects touch test data at the same time.

[0046] Preferably, there are six display test pictures, which are full display picture, non-display picture, odd row picture, odd column picture, even row picture and even column picture. The test board outputs different display test signals to make the display screen present six display test pictures.

[0047] Preferably, the time for the test board to control the display screen to present the display test screen is longer than the time for collecting touch test data, wherein the time for collecting touch test data is usually in ms, and the time for the display screen to present a single display test screen is greater than or equal to 0.5s.

[0048] Preferably, the test board switches to display the test screen and analyzes the touch test data, and presents the touch test results on the display screen after completing the touch test items and display test items one by one, including:

[0049] The test board switches to display the test screen while analyzing the touch test data described above;

[0050] The test board outputs touch test signals and display test signals one by one;

[0051] Get each touch test result and present it on the display.

[0052] The test board can analyze the previous touch test data while outputting the next display test signal or while presenting the previous display test screen, until the test board outputs each touch test signal and each display test signal one by one, and after the touch test and display test are completed, each touch test result is obtained and presented on the display screen.

[0053] Preferably, the interval at which the test board outputs touch test signals one by one is shorter than the interval at which the test board outputs display test signals one by one. Among them, since the time for the test board to control the display screen to present a display test screen is longer than the time for collecting touch test data, the collection and analysis of multiple touch test data can be completed while the display screen presents a single display test screen. The number of touch test items is greater than the number of display test items. There are 15 touch test items and 6 display test items. The test board performs touch test and display test on the display screen at the same time. Therefore, the collection and analysis of multiple touch test data can be completed while the test board controls the display screen to present a single display test screen.

[0054] The embodiment of the present invention performs touch test and display test on the display screen at the same time by setting a test board, so as to shorten the test time of the display screen and improve the test efficiency and production efficiency of the display screen.

[0055] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A display screen function testing method combining touch testing and display testing, characterized in that: include: The test firmware drives the touch test program and display test program in the test board; Select the touch test items and display test items to be tested; The display screen is electrically connected to the test board, and the test board lights up the display screen and starts the touch test program and display test program to be tested for testing; The test board outputs a test signal to make the display screen present a test screen and collect touch test data; The test board switches the display test screen and analyzes the touch test data, and presents the touch test results on the display screen after completing the touch test items and display test items one by one.

2. A display screen function testing method combining touch testing and display testing according to claim 1, characterized in that: The display screen is electrically connected to the test board via a connecting harness.

3. The display screen function testing method combining touch testing and display testing according to claim 1, characterized in that: The test board includes a test chip and a backlight driving module. The test chip is used to perform a control test on the display screen, and the backlight driving module is used to drive the backlight source of the display screen to light up the display screen.

4. The display screen function testing method combining touch testing and display testing according to claim 1, characterized in that: The test board also includes a power module, and the power module is used to provide power.

5. A display screen function testing method combining touch testing and display testing according to claim 4, characterized in that: The test board also includes a power supply end, and the power supply end is electrically connected to the power supply module.

6. The display screen function testing method combining touch testing and display testing according to claim 1, characterized in that: The test board outputs a test signal to control the display screen to present a display test screen and collect touch test data, including: The test board outputs touch test signals and display test signals simultaneously; The display screen collects touch test data while displaying the test screen.

7. A display screen function testing method combining touch testing and display testing according to claim 6, characterized in that: There are six display test pictures, which are full display picture, non-display picture, odd-numbered row picture, odd-numbered column picture, even-numbered row picture and even-numbered column picture.

8. The display screen function testing method combining touch testing and display testing according to claim 6, characterized in that: The test board controls the display screen to present a test screen for a time that is greater than the time for collecting touch test data.

9. A display screen function testing method combining touch testing and display testing according to claim 8, characterized in that: The test board switches to display the test screen and analyzes the touch test data, and presents the touch test results on the display screen after completing the touch test items and display test items one by one, including: The test board switches to display the test screen while analyzing the touch test data described above; The test board outputs touch test signals and display test signals one by one; Get each touch test result and present it on the display.

10. A display screen function testing method combining touch testing and display testing according to claim 9, characterized in that: The interval at which the test board outputs touch test signals one by one is shorter than the interval at which the test board outputs display test signals one by one.

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