Micro LED display screen color accuracy testing device

By designing an interlocking post structure connecting the main frame and the sub-frame in the MicroLED display color accuracy testing device, the problem of inaccurate test data under strong light conditions was solved, and more accurate test results were achieved.

CN223925978UActive Publication Date: 2026-02-17SHENZHEN PERIMETER TESTING TECH CO LTD
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Patent Information

Application Number
CN202520616777.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-17
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

The color accuracy testing device for MicroLED displays is affected by strong ambient light, resulting in inaccurate test data.

Method used

A color accuracy testing device for MicroLED displays was designed. By setting an outer connecting main frame and a sub-frame on the outer side of the moving monitoring body, and using a combination structure of plug-in posts and connecting slots, the outer telescopic connecting layer can be extended when the external light is strong, supporting the outer connecting sub-frame to maintain a horizontal state, blocking the external light, and ensuring the accuracy of the test.

Benefits of technology

The device effectively blocks external light in strong light environments, improving the accuracy of testing and enhancing the practicality of the MicroLED display color accuracy testing device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a Micro LED display screen color accuracy testing device which comprises a testing device stand column and a movable monitoring body arranged on the side face of the testing device stand column. An outer connecting auxiliary frame is arranged on the side face of the outer connecting main frame, a first inserting column is arranged on the inner side of the outer telescopic connecting layer, a second inserting column is arranged on the side face of the first limiting connecting block, a third inserting column is arranged on the side face of the second limiting connecting groove, and the right tail end of the third inserting column is connected with the outer connecting auxiliary frame. By stretching the external connection auxiliary frame, the third insertion column can be stretched and kept along the second insertion column, and the second insertion column can be stretched and kept along the first insertion column, after improvement, the external connection auxiliary frame can be pulled to stretch the external telescopic connection layer when the light of the external environment is strong, the external light can be shielded, and the service life of the external telescopic connection layer is prolonged. Therefore, more accurate detection can be carried out, and the use practicability of the MicroLED display screen color accuracy testing device is effectively improved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of color accuracy testing for MicroLED displays, and specifically relates to a color accuracy testing device for MicroLED displays. Background Technology

[0002] A MicroLED display color accuracy tester is a device used to test the color accuracy of MicroLED displays. With the development of display technology, MicroLED displays are widely used in various electronic devices due to their advantages such as high brightness, high contrast, and low power consumption. However, due to the small size and high resolution of MicroLED displays, traditional testing methods may not meet the requirements for color accuracy testing.

[0003] MicroLED display color accuracy testers typically feature high-precision optical measurement systems capable of accurately measuring the color of each pixel in a MicroLED display. These testers can detect the display's color uniformity, color accuracy, and other optical characteristics, ensuring the display's quality and performance.

[0004] The MicroLED display color accuracy tester is a device specifically designed to test the color accuracy of MicroLED displays. It provides high-precision measurement results, helping manufacturers ensure product quality and promoting the development and application of MicroLED display technology.

[0005] However, when the MicroLED display color accuracy testing device is in use, strong ambient light can easily affect its testing performance, ultimately leading to inaccurate test data.

[0006] This invention addresses the aforementioned problems by providing a color accuracy testing device for MicroLED displays that can block external ambient light. Utility Model Content

[0007] The purpose of this invention is to provide a MicroLED display screen color accuracy testing device to solve the problem that when the external ambient light is strong, the MicroLED display screen color accuracy testing device mentioned in the background art is easily affected by the test effect, resulting in inaccurate test data.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a MicroLED display screen color accuracy testing device, comprising a testing device column and a movable monitoring body disposed on the side of the testing device column;

[0009] A detection camera is installed on the side of the mobile monitoring device;

[0010] An outer connecting main frame is provided on the outer side of the mobile monitoring body, and an outer connecting sub-frame is provided on the side of the outer connecting main frame. An outer telescopic connecting layer is provided at the junction of the outer connecting main frame and the outer connecting sub-frame. A first plug-in post is provided on the inner side of the outer telescopic connecting layer. A first limiting connecting groove is provided on the inner side of the first plug-in post. A first limiting connecting block is provided in the first limiting connecting groove. A second plug-in post is provided on the side of the first limiting connecting block. A second limiting connecting block is provided on the inner side of the second plug-in post. A second limiting connecting groove is provided in the middle of the second limiting connecting block. A third plug-in post is provided on the side of the second limiting connecting groove. The left end of the first plug-in post is connected to the outer connecting main frame, and the right end of the third plug-in post is connected to the outer connecting sub-frame. By stretching the outer connecting sub-frame, the third plug-in post can be stretched along the second plug-in post, and the second plug-in post can be stretched along the first plug-in post and held in place.

[0011] Preferably, a toggle knob is provided on the upper side of the outer connecting main frame, and the toggle knob is rotatably connected to the outer connecting main frame via a thread.

[0012] Preferably, a plug-in connection hole is provided on the side of the mobile monitoring body, and a contact metal core is provided in the middle of the plug-in connection hole.

[0013] Preferably, a test device column is provided on the side of the mobile monitoring body, and a sliding groove is provided on the side of the test device column, so that the mobile monitoring body can move up and down along the test device column.

[0014] Preferably, a drive connecting cylinder is provided on the upper side of the column of the testing device, and the drive connecting cylinder provides power for driving the moving monitoring body to rise and fall.

[0015] Preferably, a movable connecting chassis is provided at the bottom of the test device column, and the test device column is installed and connected to the movable connecting chassis by plugging in.

[0016] Preferably, a mounting base is provided at the bottom of the mobile connecting chassis, and a limiting moving guide rail is provided on the mounting base, so that the mobile connecting chassis can move horizontally on the mounting base along the limiting moving guide rail.

[0017] Compared with the prior art, this utility model provides a color accuracy testing device for MicroLED displays, which has the following beneficial effects:

[0018] In the MicroLED display color accuracy testing device, an outer connecting main frame is set on the outer side of the moving monitoring body, an outer connecting sub-frame is set on the side of the outer connecting main frame, an outer telescopic connecting layer is set at the connection between the outer connecting main frame and the outer connecting sub-frame, a first insertion post is set on the inner side of the outer telescopic connecting layer, a limit connecting groove one is set on the inner side of the first insertion post, a limit connecting block one is set in the limit connecting groove one, a second insertion post is set on the side of the limit connecting block one, a limit connecting block two is set on the inner side of the second insertion post, a limit connecting groove two is set in the middle of the limit connecting block two, and a third insertion post is set on the side of the limit connecting groove two. The first plug-in post is connected to the outer main frame at its left end, and the third plug-in post is connected to the outer sub-frame at its right end. By stretching the outer sub-frame, the third plug-in post can be stretched along the second plug-in post, and the second plug-in post can be stretched along the first plug-in post and held in place. With this improved invention, the outer sub-frame can be stretched when the ambient light is strong, causing the outer telescopic connecting layer to extend. At the same time, the first, second, and third plug-in posts extend layer by layer, providing support and keeping the outer sub-frame horizontal. This can block external light, thereby enabling more accurate testing and effectively improving the practicality of the MicroLED display color accuracy testing device. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the MicroLED display color accuracy testing device of this utility model.

[0020] Figure 2 This is a schematic diagram of the external connecting sub-frame structure of the MicroLED display color accuracy testing device of this utility model after being pulled outward.

[0021] Figure 3 This is a partial cross-sectional view of the outer telescopic connection layer of the MicroLED display color accuracy testing device of this utility model.

[0022] Figure 4 This is an enlarged structural diagram of the MicroLED display color accuracy testing device of this utility model at position A.

[0023] In the diagram: 1. Test device column; 2. Movable connecting chassis; 3. Mounting base; 4. Drive connecting cylinder; 5. Movable monitoring body; 6. Detection camera; 7. External connecting main frame; 8. External connecting sub-frame; 9. Toggle squeeze knob; 10. Insertion connection hole; 11. Limiting moving guide rail; 12. External telescopic connecting layer; 13. First insertion post; 14. Second insertion post; 15. Third insertion post; 16. Limiting connecting block one; 17. Limiting connecting groove one; 18. Limiting connecting block two; 19. Limiting connecting groove two. Detailed Implementation

[0024] 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.

[0025] This utility model provides, for example Figure 1-4 As shown, a MicroLED display color accuracy testing device includes a testing device column 1 and a movable monitoring body 5 disposed on the side of the testing device column 1.

[0026] An outer connecting main frame 7 is provided on the outer side of the mobile monitoring body 5. An outer connecting sub-frame 8 is provided on the side of the outer connecting main frame 7. An outer telescopic connecting layer 12 is provided at the junction of the outer connecting main frame 7 and the outer connecting sub-frame 8. A first insertion post 13 is provided on the inner side of the outer telescopic connecting layer 12. A limit connecting groove 17 is provided on the inner side of the first insertion post 13. A limit connecting block 16 is provided in the limit connecting groove 17. A second insertion post 14 is provided on the side of the limit connecting block 16. A limit connecting block 2 18 is provided on the inner side of the second insertion post 14. A limit connecting groove 2 19 is provided in the middle of the limit connecting block 2 18. A third insertion post 15 is provided on the side of the limit connecting groove 2 19. The left end of the first plug post 13 is connected to the outer connecting main frame 7, and the right end of the third plug post 15 is connected to the outer connecting sub-frame 8. By stretching the outer connecting sub-frame 8, the third plug post 15 can be stretched along the second plug post 14, and the second plug post 14 can be stretched along the first plug post 13 and held in place. With the improvement of this utility model, the outer connecting sub-frame 8 can be stretched when the external ambient light is strong, so that the outer telescopic connecting layer 12 can be stretched. At the same time, the first plug post 13, the second plug post 14 and the third plug post 15 stretch layer by layer to provide support and keep the outer connecting sub-frame 8 in a horizontal state, which can block the external light, thereby enabling more accurate detection and effectively improving the practicality of the MicroLED display color accuracy testing device.

[0027] like Figure 1 and Figure 2 As shown, a toggle squeeze knob 9 is provided on the upper side of the outer connecting main frame 7. The toggle squeeze knob 9 is rotatably connected to the outer connecting main frame 7 via a thread. The toggle squeeze knob 9 can rotate to squeeze and tighten the outer connecting main frame 7 when it is plugged into the mobile monitoring body 5, thereby effectively preventing the outer connecting main frame 7 from sliding off the mobile monitoring body 5.

[0028] like Figure 1 and Figure 2 As shown, a plug-in connection hole 10 is provided on the side of the mobile monitoring body 5. There is a contact metal core in the middle of the plug-in connection hole 10. The plug-in connection hole 10 can be used to connect to external devices and transmit data signals through power cord plug-in.

[0029] like Figure 1 and Figure 2 As shown, a test device column 1 is provided on the side of the mobile monitoring body 5. A sliding groove is provided on the side of the test device column 1. The mobile monitoring body 5 moves up and down along the test device column 1. A drive connecting cylinder 4 is provided on the upper side of the test device column 1. The drive connecting cylinder 4 provides power for driving the mobile monitoring body 5 to move up and down, and drives the mobile monitoring body 5 to adjust the horizontal height of the test.

[0030] like Figure 1 and Figure 2 As shown, a movable connecting base 2 is provided at the bottom of the test device column 1. The test device column 1 is installed and connected to the movable connecting base 2 by plugging. A mounting base 3 is provided at the bottom of the movable connecting base 2. A limiting moving guide rail 11 is provided on the mounting base 3. The movable connecting base 2 moves horizontally on the mounting base 3 along the limiting moving guide rail 11. The movable connecting base 2 can slide and move on the mounting base 3 to adjust its position and adjust the horizontal distance of the test device column 1, thereby enabling better detection of test data.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A color accuracy testing device for a MicroLED display screen, comprising a testing device column (1) and a movable monitoring body (5) disposed on the side of the testing device column (1); A detection camera (6) is provided on the side of the mobile monitoring body (5); Its features are: An external connecting main frame (7) is provided on the outer side of the mobile monitoring body (5), and an external connecting sub-frame (8) is provided on the side of the external connecting main frame (7). An external telescopic connecting layer (12) is provided at the connection between the external connecting main frame (7) and the external connecting sub-frame (8). A first plug-in post (13) is provided on the inner side of the external telescopic connecting layer (12). A limiting connecting groove (17) is provided on the inner side of the first plug-in post (13). A limiting connecting block (16) is provided in the limiting connecting groove (17). A second plug-in post (14) is provided on the side of the limiting connecting block (16). The second plug-in post (14) has a limiting connecting block two (18) on its inner side. The limiting connecting block two (18) has a limiting connecting groove two (19) in the middle. The limiting connecting groove two (19) has a third plug-in post (15) on its side. The left end of the first plug-in post (13) is connected to the outer connecting main frame (7). The right end of the third plug-in post (15) is connected to the outer connecting sub-frame (8). By stretching the outer connecting sub-frame (8), the third plug-in post (15) can be stretched along the second plug-in post (14). The second plug-in post (14) is stretched along the first plug-in post (13) and held in place.

2. The MicroLED display screen color accuracy testing device according to claim 1, characterized in that: A toggle knob (9) is provided on the upper side of the outer connecting main frame (7), and the toggle knob (9) is rotatably connected to the outer connecting main frame (7) by means of a thread.

3. The MicroLED display screen color accuracy testing device according to claim 1, characterized in that: The mobile monitoring body (5) has a plug-in connection hole (10) on its side, and the plug-in connection hole (10) has a contact metal core in the middle.

4. The MicroLED display screen color accuracy testing device according to claim 1, characterized in that: The mobile monitoring body (5) is provided with a test device column (1) on its side. The side of the test device column (1) is provided with a sliding groove. The mobile monitoring body (5) moves up and down along the test device column (1).

5. The MicroLED display screen color accuracy testing device according to claim 4, characterized in that: A drive connecting cylinder (4) is provided on the upper side of the column (1) of the test device, and the drive connecting cylinder (4) provides power for driving the moving monitoring body (5) to rise and fall.

6. The MicroLED display screen color accuracy testing device according to claim 1, characterized in that: A movable connecting chassis (2) is provided at the bottom of the test device column (1), and the test device column (1) is installed and connected to the movable connecting chassis (2) by plugging.

7. The MicroLED display screen color accuracy testing device according to claim 6, characterized in that: The bottom of the mobile connecting chassis (2) is provided with an installation base (3), and the installation base (3) is provided with a limiting moving guide rail (11). The mobile connecting chassis (2) moves horizontally on the installation base (3) along the limiting moving guide rail (11).