Automatic test method and system for display panel based on CS-2000

By establishing a Bluetooth module connection between the CS-2000 optical testing equipment and the display panel, automated control and data storage are achieved, the problem of low automation of the CS-2000 spectroradioluminescence meter test is solved, and the testing efficiency and accuracy are improved.

CN120369276APending Publication Date: 2025-07-25TRULY (RENSHOU) HIGH-END DISPLAY TECH LTD
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Patent Information

Application Number
CN202510471286.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2025-07-25

AI Technical Summary

Technical Problem

In the prior art, the CS-2000 spectroradioluminescence meter has low degree of automation during the display panel testing process, resulting in low efficiency and error-proneness.

Method used

By setting the first Bluetooth module and the second Bluetooth module, the CS-2000 optical testing equipment communicates with the display panel to be tested, and the screen display control of the display panel is realized, and optical test data is automatically stored.

Benefits of technology

It improves the automation of display panel testing, reduces the errors of manual testing, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a CS-2000-based display panel automatic test method and system, and the method comprises the steps: providing a CS-2000-based display panel automatic test system which comprises a CS-2000 optical test device, a first Bluetooth module, a second Bluetooth module and a to-be-tested display panel; the method comprises the following steps: respectively presetting CS-2000 optical test equipment and a to-be-tested display panel, and wirelessly controlling picture display of the to-be-tested display panel by using the CS-2000 optical test equipment; the CS-2000 optical test equipment sends a display control signal to the display panel to be tested, and the display panel to be tested automatically switches and displays a corresponding test picture according to the display control signal; and the CS-2000 optical test equipment performs optical test on the displayed test picture and automatically stores corresponding optical test data. The CS-2000 optical test equipment can control the switching of the display pictures, and automatically stores the optical data obtained by the test, thereby improving the test automation degree of the display panel, improving the working efficiency, and reducing errors caused by manual test.
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Description

Technical Field

[0001] The present invention relates to the technical field of automated testing of display panels, and particularly to an automated testing method and system for display panels based on CS-2000. Background Art

[0002] The CS-2000 spectroradiance meter is a professional instrument with high precision and high performance in the field of optical radiation measurement. It can perform high-precision measurements, adopts advanced optical systems and detector technologies, can accurately measure the spectral radiance curve, performs well in low-luminance measurements, down to 0.003 cd / m², and has a high-contrast measurement of up to 1,000,000:1 (CS-2000A). It can measure various types of light sources and display devices, including display panels such as LCD, PDP, and organic electroluminescence (OLED), as well as various types of lighting fixtures. It can also perform rapid measurements, has high-speed data acquisition capabilities, can complete measurements in a short time, and improves test efficiency.

[0003] When using the CS-2000 spectroradiance meter to test a display panel, the probe of the CS-2000 spectroradiance meter is aligned with the test area of the display module, keeping the probe perpendicular to the surface of the display module and the distance meeting the instrument requirements, generally between a few centimeters and dozens of centimeters. The instrument will collect the optical radiation data of the display module, including spectral radiance, chromaticity coordinates, etc.

[0004] However, during the display panel testing process, the optical parameter test screens and calculation methods required by different customers are different. When using the CS2000 to test the optical parameters of the same sample, it is necessary to manually save the test data and switch the test screens constantly, which easily confuses the test data of different screens, and the work is cumbersome and inefficient. Summary of the Invention

[0005] In the prior art, when using the CS-2000 spectroradiance meter to test a display panel, the degree of automation is low, not only the efficiency is low, but also it is very easy to make mistakes.

[0006] To address the above problems, a method and system for automatically testing a display panel based on CS-2000 are proposed. By setting a first Bluetooth module and a second Bluetooth module, the CS-2000 optical test device communicates with the display panel to be tested through the first Bluetooth module and the second Bluetooth module. Thus, the CS-2000 optical test device can control the screen display of the display panel to be tested. By presetting the CS-2000 optical test device and the display panel to be tested and setting corresponding test codes, the CS-2000 optical test device can control the switching of the display screen and automatically store the optical data obtained from the test, improving the automation level of the display panel test, enhancing work efficiency, and reducing errors caused by manual testing.

[0007] In a first aspect, a method for automatically testing a display panel based on CS-2000 includes: Step 100: Provide an automatic test system for a display panel based on CS-2000, including a CS-2000 optical test device, a first Bluetooth module, a second Bluetooth module, and a display panel to be tested. The CS-2000 optical test device is electrically connected to the first Bluetooth module, the second Bluetooth module is electrically connected to the display panel to be tested, and the CS-2000 optical test device communicates with the display panel to be tested through the first Bluetooth module and the second Bluetooth module; Step 200: Preset the CS-2000 optical test device and the display panel to be tested respectively, and use the CS-2000 optical test device to wirelessly control the screen display of the display panel to be tested; Step 300: The CS-2000 optical test device sends a display control signal to the display panel to be tested, and the display panel to be tested automatically switches and displays the corresponding test screen according to the display control signal; Step 400: The CS-2000 optical test device performs an optical test on the displayed test screen and automatically saves the corresponding optical test data; Step 500: Repeat steps 300 - 400 until all screens are tested.

[0008] In a first possible implementation manner in combination with the method for automatically testing a display panel based on CS-2000 described in the first aspect of the present invention, step 100 includes: Step 110: Connect the first Bluetooth module to the main chassis of the CS-2000 optical test device through a USB data cable; Step 120: Connect the second Bluetooth module to the serial port of the display panel to be tested.

[0009] Combined with the automatic test method for a display panel based on CS-2000 described in the first aspect of the present invention, in the second possible implementation manner, the step 200 includes: Step 210: Set test codes corresponding to different test screens in the CS-2000 optical test device; Step 220: Define the test screens to be tested in the underlying code of the display panel to be tested, and associate each test screen with the corresponding test code.

[0010] Combined with the second possible implementation manner of the first aspect of the present invention, in the third possible implementation manner, the step 300 includes: Step 310: The CS-2000 optical test device sends the test code to the display panel to be tested through the first Bluetooth module and the second Bluetooth module; Step 320: The display panel to be tested lights up the display screen according to the test code and displays the corresponding test screen.

[0011] Combined with the third possible implementation manner of the first aspect of the present invention, in the fourth possible implementation manner, the step 300 further includes: Step 330: The display panel to be tested feeds back the screen display result to the CS-2000 optical test device through the first Bluetooth module and the second Bluetooth module.

[0012] Combined with the fourth possible implementation manner of the first aspect of the present invention, in the fifth possible implementation manner, the step 400 includes: Step 410: After receiving the feedback result, the CS-2000 optical test device performs an optical test on the currently displayed test screen; Step 420: The CS-2000 optical test device obtains the optical test data of the test screen and stores the optical test data.

[0013] Combined with the fifth possible implementation manner of the first aspect of the present invention, in the sixth possible implementation manner, the step 400 includes: Step 430: After the optical test of the current test screen is completed, the CS-2000 optical test device sends the test code of the next test screen to the display panel to be tested through the first Bluetooth module and the second Bluetooth module; Step 440: The display panel to be tested displays the next test screen and feeds back the display result to the CS-2000 optical test device.

[0014] Second aspect, a display panel automatic test system based on CS-2000, adopting the display panel automatic test method based on CS-2000 described in the first aspect, includes a CS-2000 optical test device, a first Bluetooth module, a second Bluetooth module, and a display panel to be tested; the CS-2000 optical test device is electrically connected to the first Bluetooth module, the second Bluetooth module is electrically connected to the display panel to be tested, and the CS-2000 optical test device communicates with the display panel to be tested through the first Bluetooth module and the second Bluetooth module; The CS-2000 optical test device is configured to send a display control signal to the display panel to be tested, perform an optical test on the displayed test screen, and automatically save the corresponding optical test data; The display panel to be tested automatically switches and displays the corresponding test screen according to the display control signal.

[0015] Combined with the display panel automatic test system based on CS-2000 described in the second aspect of the present invention, in a first possible implementation manner, the CS-2000 optical test device includes a setting unit; the display panel to be tested includes a definition unit; The setting unit is configured to set test codes corresponding to different test screens in the CS-2000 optical test device; The definition unit is configured to define the test screens to be tested in the underlying code of the display panel to be tested, and associate each test screen with the corresponding test code.

[0016] Combined with the first possible implementation manner of the second aspect of the present invention, in a second possible implementation manner, the CS-2000 optical test device further includes a sending unit, and the display panel to be tested further includes a driving unit and a feedback unit; The sending unit is configured to send test codes to the display panel to be tested through the first Bluetooth module and the second Bluetooth module; The driving unit is configured to light up the display screen and display the corresponding test screen according to the test code; The feedback unit is configured to feedback the picture display result to the CS-2000 optical test device through the first Bluetooth module and the second Bluetooth module.

[0017] Implementing an automatic test method and system for a display panel based on CS-2000 of the present invention, by setting a first Bluetooth module and a second Bluetooth module, the CS-2000 optical test device communicates and connects with the display panel to be tested through the first Bluetooth module and the second Bluetooth module. Thus, the CS-2000 optical test device can control the screen display of the display panel to be tested. By presetting the CS-2000 optical test device and the display panel to be tested, corresponding test codes are set. Furthermore, the CS-2000 optical test device can control the switching of the display screen and automatically store the optical data obtained from the test, improving the automation degree of the display panel test, enhancing the work efficiency, and reducing the errors caused by manual testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a schematic flowchart of a specific embodiment of an automatic test method for a display panel based on CS-2000 in this application; Figure 2 is Figure 1 a schematic flowchart of a specific embodiment of step 100 in; Figure 3 is Figure 1 a schematic flowchart of a specific embodiment of step 200 in; Figure 4 is Figure 1 a schematic flowchart of a specific embodiment of step 300 in; Figure 5 is Figure 1 a schematic flowchart of a specific embodiment of step 400 in; Figure 6 is Figure 2 another schematic flowchart of a specific embodiment of step 400 in; Figure 7 It is a schematic structural diagram of a specific embodiment of an automatic test system for a display panel based on CS-2000 in this application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the present invention in conjunction with the accompanying drawings in the invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, other embodiments obtained by those of ordinary skill in the art without creative efforts all fall within the scope of protection of the present invention.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein 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 of the related listed items.

[0022] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0023] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present application.

[0024] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.

[0025] In the prior art, when using a CS-2000 spectroradiance meter to test a display panel, the degree of automation is low, not only the efficiency is low, but also it is very easy to make mistakes.

[0026] In view of the above problems, a display panel automatic test method and system based on CS-2000 are proposed.

[0027] In a first aspect, a display panel automatic test method based on CS-2000, such as Figure 1 , Figure 1It is a schematic flowchart of a specific embodiment of an automatic test method for a display panel based on CS-2000 in this application, including: Step 100: Provide an automatic test system for a display panel based on CS-2000, including a CS-2000 optical test device, a first Bluetooth module, a second Bluetooth module, and a display panel to be tested. The CS-2000 optical test device is electrically connected to the first Bluetooth module, and the second Bluetooth module is electrically connected to the display panel to be tested. The CS-2000 optical test device communicates with the display panel to be tested through the first Bluetooth module and the second Bluetooth module.

[0028] In a preferred embodiment, as Figure 2 , Figure 2 is Figure 1 a schematic flowchart of a specific embodiment of step 100 in; Step 100 includes: Step 110: Connect the first Bluetooth module to the main chassis of the CS-2000 optical test device through a USB data cable; Step 120: Connect the second Bluetooth module to the serial port of the display panel to be tested.

[0029] In this embodiment, the CS-2000 optical test device may include a main chassis and a display screen. The first Bluetooth module is a Bluetooth circuit component (usable for transmitting and receiving Bluetooth signals), and the second Bluetooth module is a Bluetooth circuit component (usable for receiving and transmitting Bluetooth signals) directly plugged into the serial port of the display panel to be tested. When connecting the first Bluetooth module to the main chassis, both ends of the USB cable can be connected to the main chassis and the Bluetooth circuit component respectively.

[0030] Step 200: Preset the CS-2000 optical test device and the display panel to be tested respectively, and use the CS-2000 optical test device to wirelessly control the screen display of the display panel to be tested.

[0031] In a preferred embodiment, as Figure 3 , Figure 3 is Figure 1 a schematic flowchart of a specific embodiment of step 200 in; Step 200 includes: Step 210: Set test codes corresponding to different test screens in the CS-2000 optical test device; Step 220: Define the test screens to be tested in the underlying code of the display panel to be tested, and associate each test screen with the corresponding test code.

[0032] In this embodiment, the CS-2000 optical test device needs to set test codes for different test screens in the custom mode, pre-define each test screen in the underlying code of the display panel to be tested, and display the corresponding test screen after receiving the test code.

[0033] Step 300: The CS-2000 optical test device sends a display control signal to the display panel under test, and the display panel under test automatically switches and displays the corresponding test screen according to the display control signal.

[0034] In a preferred embodiment, as Figure 4 , Figure 4 is Figure 1 a schematic flowchart of a specific embodiment of step 300 in

[0035] In a preferred embodiment, step 300 further includes: step 330, the display panel under test feeds back the screen display result to the CS-2000 optical test device through the first Bluetooth module and the second Bluetooth module.

[0036] Step 400: The CS-2000 optical test device performs an optical test on the displayed test screen and automatically saves the corresponding optical test data; in a preferred embodiment, as Figure 5 , Figure 5 is Figure 1 a schematic flowchart of a specific embodiment of step 400 in

[0037] In a preferred embodiment, as Figure 6 , Figure 6 is Figure 2 a schematic flowchart of another specific embodiment of step 400 in Step 400 further includes:

[0038] After the optical test of the current test screen is completed, the CS-2000 optical test device sends the test code of the next test screen to the display panel under test through the first Bluetooth module and the second Bluetooth module; step 440, the display panel under test displays the next test screen and feeds back the display result to the CS-2000 optical test device.

[0038] Step 500: Repeat steps 300 - 400 until all the screens are tested. By setting the first Bluetooth module and the second Bluetooth module, the CS-2000 optical test device communicates with the display panel to be tested through the first Bluetooth module and the second Bluetooth module. Thus, the CS-2000 optical test device can control the screen display of the display panel to be tested. By presetting the CS-2000 optical test device and the display panel to be tested and setting the corresponding test codes, the CS-2000 optical test device can then control the switching of the display screens and automatically store the optical data obtained from the tests, improving the automation level of the display panel test, enhancing the work efficiency, and reducing the errors caused by manual testing.

[0039] In a second aspect, an automatic test system for a display panel based on CS-2000 adopts the automatic test method for a display panel based on CS-2000 in the first aspect, as Figure 7 , Figure 7 FIG. is a schematic structural diagram of a specific embodiment of an automatic test system for a display panel based on CS-2000 in the present application, including a CS-2000 optical test device, a first Bluetooth module, a second Bluetooth module, and a display panel to be tested; the CS-2000 optical test device is electrically connected to the first Bluetooth module, and the second Bluetooth module is electrically connected to the display panel to be tested. The CS-2000 optical test device communicates with the display panel to be tested through the first Bluetooth module and the second Bluetooth module; the CS-2000 optical test device is configured to send a display control signal to the display panel to be tested, perform an optical test on the displayed test screen, and automatically save the corresponding optical test data; the display panel to be tested automatically switches and displays the corresponding test screen according to the display control signal.

[0040] Further, the CS-2000 optical test device includes a setting unit; the display panel to be tested includes a defining unit; the setting unit is configured to set test codes corresponding to different test screens in the CS-2000 optical test device; the defining unit is configured to define the test screens to be tested in the underlying code of the display panel to be tested and associate each test screen with the corresponding test code.

[0041] Further, the CS-2000 optical test device further includes a sending unit, and the display panel to be tested further includes a driving unit and a feedback unit; the sending unit is configured to send test codes to the display panel to be tested through the first Bluetooth module and the second Bluetooth module; the driving unit is configured to light up the display screen and display the corresponding test screen according to the test code; the feedback unit is configured to feedback the screen display result to the CS-2000 optical test device through the first Bluetooth module and the second Bluetooth module.

[0042] Implement an automatic test method and system for a display panel based on CS-2000 of the present invention. By setting a first Bluetooth module and a second Bluetooth module, the CS-2000 optical test device is communicatively connected to the display panel to be tested through the first Bluetooth module and the second Bluetooth module. Thus, the CS-2000 optical test device can control the screen display of the display panel to be tested. By presetting the CS-2000 optical test device and the display panel to be tested and setting corresponding test codes, the CS-2000 optical test device can then control the switching of the display screen and automatically store the optical data obtained from the test, improving the degree of automation of the display panel test, improving work efficiency, and reducing errors caused by manual testing.

[0043] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. An automatic test method for a display panel based on CS-2000, characterized in that, Including: Step 100: Provide an automatic test system for a display panel based on CS-2000, including a CS-2000 optical test device, a first Bluetooth module, a second Bluetooth module, and a display panel to be tested. The CS-2000 optical test device is electrically connected to the first Bluetooth module, the second Bluetooth module is electrically connected to the display panel to be tested, and the CS-2000 optical test device communicates with the display panel to be tested through the first Bluetooth module and the second Bluetooth module; Step 200: Preset the CS-2000 optical test device and the display panel to be tested respectively, and wirelessly control the screen display of the display panel to be tested by using the CS-2000 optical test device; Step 300: The CS-2000 optical test device sends a display control signal to the display panel to be tested, and the display panel to be tested automatically switches and displays the corresponding test screen according to the display control signal; Step 400: The CS-2000 optical test device performs an optical test on the displayed test screen and automatically saves the corresponding optical test data; Step 500: Repeat steps 300-400 until all screens are tested; 2. The automatic test method for a display panel based on CS-2000 according to claim 1, wherein The step 100 includes: Step 110: Connect the first Bluetooth module to the host chassis of the CS-2000 optical test device through a USB data cable; Step 120: Connect the second Bluetooth module to the serial port of the display panel to be tested.

3. The automatic test method for a display panel based on CS-2000 according to claim 1, wherein The step 200 includes: Step 210: Set test codes corresponding to different test screens in the CS-2000 optical test device; Step 220: Define the test screens to be tested in the underlying code of the display panel to be tested, and associate each test screen with the corresponding test code.

4. The automatic test method for a display panel based on CS-2000 according to claim 3, wherein The step 300 includes: Step 310: The CS-2000 optical test device sends test codes to the display panel to be tested through the first Bluetooth module and the second Bluetooth module; Step 320: The display panel to be tested lights up the display screen according to the test code and displays the corresponding test screen.

5. The automatic test method for a display panel based on CS-2000 according to claim 4, wherein The step 300 further includes: Step 330: The display panel to be tested feeds back the screen display result to the CS-2000 optical test device through the first Bluetooth module and the second Bluetooth module.

6. The automatic test method for a display panel based on CS-2000 according to claim 1, characterized in that, The step 400 includes: Step 410: After the CS-2000 optical test device receives the feedback result, it performs an optical test on the currently displayed test screen; Step 420: The CS-2000 optical test device acquires the optical test data of the test screen and stores the optical test data.

7. The automatic test method for a display panel based on CS-2000 according to claim 6, wherein The step 400 includes: Step 430: After the optical test of the current test screen is completed, the CS-2000 optical test device sends the test code of the next test screen to the display panel to be tested through the first Bluetooth module and the second Bluetooth module; Step 440: The display panel to be tested displays the next test screen and feeds back the display result to the CS-2000 optical test device.

8. An automatic display panel testing system based on CS-2000, adopting the automatic display panel testing method based on CS-2000 according to any one of claims 1-7, characterized in that, It includes a CS-2000 optical test device, a first Bluetooth module, a second Bluetooth module, and a display panel to be tested; the CS-2000 optical test device is electrically connected to the first Bluetooth module, the second Bluetooth module is electrically connected to the display panel to be tested, and the CS-2000 optical test device is communicatively connected to the display panel to be tested through the first Bluetooth module and the second Bluetooth module; The CS-2000 optical test device is used to send a display control signal to the display panel to be tested, perform an optical test on the displayed test screen, and automatically save the corresponding optical test data; The display panel to be tested automatically switches and displays the corresponding test screen according to the display control signal.

9. The display panel automatic test system based on CS-2000 according to claim 8, wherein, The CS-2000 optical test device includes a setting unit; the display panel to be tested includes a definition unit; The setting unit is used to set test codes corresponding to different test screens in the CS-2000 optical test device; The definition unit is used to define the test screens to be tested in the underlying code of the display panel to be tested and associate each test screen with the corresponding test code.

10. The automatic test system for a display panel based on CS-2000 according to claim 8, characterized in that, The CS-2000 optical test device further includes a sending unit, and the display panel to be tested further includes a driving unit and a feedback unit; The sending unit is used to send the test code to the display panel to be tested through the first Bluetooth module and the second Bluetooth module; The driving unit is used to light up the display screen and display the corresponding test screen according to the test code; The feedback unit is used to feed back the screen display result to the CS-2000 optical test device through the first Bluetooth module and the second Bluetooth module.