Display screen testing device
By designing a rotatable platform and precise fixing components for the display screen testing device, the problem of unstable connector connection during LCD screen illumination testing was solved, achieving efficient testing and stability, and reducing rework costs.
Patent Information
- Application Number
- CN202423323633.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In the current LCD screen lighting test process, the connector connection success rate is low and the stability requirements are high, which requires operators to make multiple attempts, reducing production efficiency and increasing rework costs.
Design a display screen testing device, including a rotatable stage, a probe assembly, and a fixing assembly. The stage allows for multi-angle observation, the probe assembly provides a start signal and operating voltage, and the fixing assembly clamps a fixed connector to achieve precise alignment, thereby improving testing efficiency and stability.
By observing from multiple angles and precisely aligning the components, the accuracy and efficiency of testing are improved, placement and insertion time are reduced, product quality is controlled, and rework costs are saved.
Smart Images

Figure CN223796622U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of display screen testing, in particular to a display screen testing device. BACKGROUND
[0002] With the rapid development of mobile phones and tablet displays and the improvement of people's living standards, liquid crystal displays are increasingly widely used in daily life. After the production of liquid crystal displays is completed, lighting inspection is needed to ensure that the display screen functions normally and has no appearance abnormalities such as black spots. However, during the lighting inspection process, the operator needs to manually connect the electrical part of the liquid crystal display, but due to the low success rate of the connection of the liquid crystal display connector and the high stability requirement after connection, the operator often needs to try several times to ensure reliable connection.
[0003] This inefficient operation not only reduces production efficiency, but also leads to a low lighting success rate, significantly increasing the cost of repair. Therefore, it is particularly important to develop and design a testing device that improves testing efficiency and lighting success rate. CONTENT OF THE INVENTION
[0004] To solve the above problems, the display screen testing device is provided to improve the testing efficiency, thereby controlling the product yield and reducing the repair cost.
[0005] The display screen testing device comprises a test box, a power module, a carrier, a probe assembly and a fixing assembly.
[0006] The test box is provided with a power module.
[0007] The carrier is rotatably arranged on the test box, and the carrier is provided with a first placement slot for placing a display screen.
[0008] The probe assembly is used to provide a starting signal and a working voltage for the connector of the display screen, and the probe assembly is assembled on the carrier and electrically connected with the power module.
[0009] The fixing assembly is used to fix the connector, and the fixing assembly is assembled on the carrier.
[0010] In an embodiment, the probe assembly comprises a probe seat arranged on the carrier, a second placement slot for placing the connector, and a plurality of probes for providing a starting signal and a working voltage for the display screen. The second placement slot is opened on the probe seat, and a plurality of probes are fixed on the probe seat and extend into the second placement slot and are electrically connected with the power module.
[0011] In an embodiment, the fixing assembly comprises a first fixing member for fixing the connector and a second fixing member for fixing the first fixing member, and the first fixing member and the second fixing member are rotatably connected to the carrier respectively.
[0012] In an embodiment, the fixing assembly further comprises a buckle member buckled to the second fixing member and a hot plug switch for controlling an enabling signal provided by the probe assembly, and the buckle member is arranged on the carrier, and the hot plug switch is movably arranged on the carrier and abuts against the buckle member.
[0013] In an embodiment, the carrier further comprises a replacement member detachably connected to the carrier, a limiting member and a profiling table, the profiling table is arranged on the replacement member, the first placing groove is arranged on the profiling table, a plurality of limiting members are arranged around the first placing groove, the probe assembly is assembled on the replacement member, and the fixing assembly is assembled on the replacement member.
[0014] In an embodiment, the display screen testing device further comprises a support member arranged between the carrier and the testing box, the carrier is rotatably connected to the support member, and the support member is used for limiting the angle of rotation of the carrier.
[0015] In an embodiment, the support member comprises a connecting portion and a supporting portion, the carrier is rotatably connected to the connecting portion, and the supporting portion is used for limiting the angle of rotation of the carrier.
[0016] In an embodiment, the support member further comprises a supporting seat, and the supporting seat is detachably connected to the supporting portion.
[0017] In an embodiment, the display screen testing device further comprises a lamp assembly for illuminating the carrier, and the lamp assembly is electrically connected to the power supply module.
[0018] In an embodiment, the lamp assembly comprises a first lamp for illuminating the first placing groove and a second lamp for illuminating the probe assembly and the fixing assembly, the first lamp is arranged on the testing box and electrically connected to the power supply module, and the second lamp is assembled on the carrier and electrically connected to the power supply module.
[0019] The display screen testing device has the following beneficial effects: the carrier is rotatably arranged on the testing box, the display screen placed on the carrier can be observed from multiple angles to ensure the accuracy of testing, and the operation of an operator is facilitated, the fixing assembly can clamp and fix the connector and the probe assembly, precise alignment is realized, the placing and plugging alignment time in the process can be reduced, the testing efficiency is improved, the product quality is controlled, and the repair cost is saved. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0021] Figure 1 It is a perspective structural schematic view of the display screen testing device of an embodiment of the present application.
[0022] Figure 2 It is a perspective structural schematic view of the display screen testing device of an embodiment of the present application. Figure 1 It is a structural schematic view of the part A.
[0023] Figure 3 It is a front view schematic view of the display screen testing device of an embodiment of the present application.
[0024] Figure 4 It is a side view schematic view of the display screen testing device of an embodiment of the present application.
[0025] Figure 5 It is a top view schematic view of the display screen testing device of an embodiment of the present application. DETAILED DESCRIPTION
[0026] The specific embodiments of the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the description of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0027] In the description of the present application, unless otherwise explicitly specified and limited, the terms "set", "install", "connect" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.
[0028] The terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, and are merely for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0029] The terms "first", "second", "third" and the like merely distinguish similar attributes, and do not indicate or imply relative importance or a particular order.
[0030] The terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, in addition to the listed elements, and can also include other elements not explicitly listed.
[0031] Please refer to Figures 1-5 which shows a display screen testing device provided in an embodiment of the utility model, comprising:
[0032] The test box 1 is provided with a power module 11.
[0033] The carrier 2 is rotatably arranged on the test box 1, and the carrier 2 is provided with a first placing groove 21 for placing the display screen 7.
[0034] The probe assembly 3 is used to provide a start signal and working voltage for the connector 71 of the display screen 7, and the probe assembly 3 is assembled on the carrier 2 and electrically connected with the power module 11.
[0035] The fixing assembly 4 is used to fix the connector 71, and the fixing assembly 4 is assembled on the carrier 2.
[0036] In this embodiment, when the display screen 7 to be tested is detected, the carrier 2 is in a horizontal position, which is convenient for placing the display screen 7. The display screen 7 is placed above the first placing groove 21, the connector 71 of the display screen 7 is electrically connected with the probe assembly 3, the fixing assembly 4 fixes the connector 71 and the probe assembly 3, the power module 11 supplies power to the probe assembly 3, the probe assembly provides a start signal and working voltage for the connector 71, so that the display screen 7 is lighted, and then the carrier 2 is rotated to observe the lighting state and appearance of the display screen 7 from multiple angles.
[0037] The first placing groove 21 is used for placing the display screen 7, and can also avoid the electronic devices on the display screen 7 and prevent the display screen 7 from being damaged in the testing process. The operator can observe the lighting state and appearance of the display screen 7 placed on the carrier 2 from multiple angles by rotating the carrier 2, so as to ensure the accuracy of the test and facilitate the operation of the operator. The fixing assembly 4 can clamp and fix the connector 71 and the probe assembly 3, realize accurate alignment, reduce the placement and plugging alignment time in the process, improve the test efficiency, control the product quality, and save the repair cost.
[0038] In an embodiment, the probe assembly 3 comprises a probe seat 31 arranged on the carrier 2, a second placing groove 32 used for placing the connector 71, and a plurality of probes used for providing a starting signal and working voltage for the display screen 7. The second placing groove 32 is arranged on the probe seat 31, and the plurality of probes are fixed on the probe seat 31 and extend into the second placing groove 32 and are electrically connected with the power module 11.
[0039] As shown in Figures 1-2 In the embodiment, the shape of the second placing groove 32 can be correspondingly arranged according to the connector 71, so that the connector 71 can be quickly positioned, the probe (not shown in the figure) can be quickly electrically connected with the connector 71, the display screen 7 can be quickly lighted, the test efficiency and stability can be improved, and the test accuracy can be improved.
[0040] In an embodiment, the fixing assembly 4 comprises a first fixing member 41 used for fixing the connector 71 and a second fixing member 42 used for fixing the first fixing member 41. The first fixing member 41 and the second fixing member 42 are respectively rotatably connected with the carrier 2.
[0041] As shown in Figures 1-3 In an embodiment, the first fixing member 41 pre-presses and fixes the connector 71 and the probe assembly 3. The second fixing member 42 is provided with a pin shaft at an end away from the connector 71. The second fixing member 42 is rotatably connected with the carrier 2 through the pin shaft. The pin shaft is provided with a torsion spring. The second fixing member 42 fixes the first fixing member 41 and the connector 71 more tightly by buckling the first fixing member 41, so that the test stability is higher. The torsion spring can reset the second fixing member 42 after being pressed, so as to improve the operation convenience.
[0042] As shown in Figures 1-3As shown, in the embodiment, the first fixing member 41 pre-press fixes the connector 71 and the probe (not shown in the figure), the connector 71 and the probe are better attached through the first fixing member 41 and the probe seat 31, the accuracy and stability of the test are improved, the second fixing member 42 buckles the first fixing member 41, so that the first fixing member 41 fixes the connector 71 and the probe more tightly, the test stability is further improved, the first fixing member 41 and the second fixing member 42 are arranged as close as possible, which is beneficial to improve the compactness of the overall structure and save the test space.
[0043] In an embodiment, the fixing assembly 4 further comprises a buckle member 43 buckled with the second fixing member 42 and a hot plug switch 44 for controlling the start signal provided by the probe assembly 3, the buckle member 43 is arranged on the support 2, and the hot plug switch 44 is movably arranged on the support 2 and abuts against the buckle member 43.
[0044] As shown, Figure 2 In the embodiment, the second fixing member 42 is provided with the buckle member 43, the buckle member 43 can further buckle the second fixing member 42, preventing the display screen 7 from being damaged in the lit state when the second fixing member 42 fails, the hot plug switch 44 can be opened or closed by rotating, in the open state, the hot plug switch 44 can make the probe assembly 3 normally provide the start signal, and at this time, the hot plug switch 44 is buckled on the buckle member 43, avoiding that the second fixing member 42 is automatically opened under the action of the torsional spring, in the closed state, the probe assembly 3 cannot provide the start signal, and at this time, the hot plug switch 44 is not buckled on the buckle member 43, the hot plug switch 44 plays a fool-proof role, avoiding that the display screen 7 is suddenly powered off and burned due to the operation error of the operator, and improving the overall safety and test stability.
[0045] In an embodiment, the support 2 further comprises a replacement 23 detachably connected with the support 2, a limiting member 22 and a profiling table 24, the profiling table 24 is arranged on the replacement 23, the profiling table 24 is provided with a first placing groove 21, a plurality of limiting members 22 are arranged around the first placing groove 21, the probe assembly 3 is assembled on the replacement 23, and the fixing assembly 4 is assembled on the replacement 23.
[0046] As shown, Figure 1 and Figure 5As shown in the embodiment, the replacement part 23 can be customized according to the shape and size of the display screen 7, which is conducive to adapting to various models of display screens 7 for lighting test. The plurality of limiting parts 22 can position and fix the position of the display screen 7, ensuring the stability of connection and test. The profiling table 24 can be customized according to the shape and size of the display screen 7. During testing, the display screen 7 is located above the first placing groove 21 and placed on the profiling table 24. The profiling table 24 is made of silica gel material, which can prevent the display screen 7 from being scratched during taking, placing and testing, effectively protecting the display screen 7 and improving the yield.
[0047] In an embodiment, the display screen testing device further comprises a support 5 arranged between the test box 1 and the support 5, and the support 5 is rotatably connected with the support 5. The support 5 is used to limit the angle of rotation of the support 2.
[0048] As shown in the embodiment, the support 2 is rotatably connected with the support 5, and the support 5 can limit the angle of rotation of the support 2, so that the support 2 can only rotate within the range of 0° to 45°, which is convenient for the operator to observe and can also avoid the display screen 7 from being suddenly damaged due to the excessive rotation angle of the support 2. Figure 1 Figures 3-4 As shown in the embodiment, the support 2 is rotatably connected with the support 5, and the support 5 can limit the angle of rotation of the support 2, so that the support 2 can only rotate within the range of 0° to 45°, which is convenient for the operator to observe and can also avoid the display screen 7 from being suddenly damaged due to the excessive rotation angle of the support 2.
[0049] In an embodiment, the support 5 comprises a connecting part 51 and a supporting part 52, and the support 2 is rotatably connected with the connecting part 51. The supporting part 52 is used to limit the angle of rotation of the support 2.
[0050] As shown in the embodiment, the support 2 is rotatably connected with the support 5, and the support 5 can limit the angle of rotation of the support 2, so that the support 2 can only rotate within the range of 0° to 45°, which is convenient for the operator to observe and can also avoid the display screen 7 from being suddenly damaged due to the excessive rotation angle of the support 2. Figure 1 Figures 3-4 As shown in the embodiment, the support 2 is rotatably connected with the support 5, and the support 5 can limit the angle of rotation of the support 2, so that the support 2 can only rotate within the range of 0° to 45°, which is convenient for the operator to observe and can also avoid the display screen 7 from being suddenly damaged due to the excessive rotation angle of the support 2.
[0051] In an embodiment, the support 5 further comprises a support seat 53, and the support seat 53 is detachably connected with the supporting part 52.
[0052] As shown in the embodiment, the support seat 53 can further limit the rotation range of the support 2. Since the operator often bends down for detection, the support seat 53 can further reduce the rotation range of the support 2, adjust the position of the support 2, relieve the neck fatigue of the operator, and improve the convenience. Figure 1 Figures 3-4 As shown in the embodiment, the support seat 53 can further limit the rotation range of the support 2. Since the operator often bends down for detection, the support seat 53 can further reduce the rotation range of the support 2, adjust the position of the support 2, relieve the neck fatigue of the operator, and improve the convenience.
[0053] In an embodiment, the display screen testing device further comprises a lamp assembly 6 for illuminating the support 2, and the lamp assembly 6 is electrically connected with the power supply module 11.
[0054] As shown in the embodiment, the support seat 53 can further limit the rotation range of the support 2. Since the operator often bends down for detection, the support seat 53 can further reduce the rotation range of the support 2, adjust the position of the support 2, relieve the neck fatigue of the operator, and improve the convenience. Figure 1 Figures 3-5 As shown, during the test, a dark test environment needs to be kept in order to better observe the lighting state of the display screen 7, and during the test, the lamp assembly 6 is in the closed state, and during the taking and placing of the display screen 7, the lamp assembly 6 is in the open state. The arrangement of the lamp assembly 6 is beneficial to the placing of the display screen 7 by the operator in the dark test environment, improves the convenience of operation, and makes the positioning of the display screen 7 more accurate.
[0055] In an embodiment, the lamp assembly 6 comprises a first lamp 61 for illuminating the first placing groove 21 and a second lamp 62 for illuminating the probe assembly 3 and the fixing assembly 4, the first lamp 61 is arranged in the test box 1 and is electrically connected with the power module 11, and the second lamp 62 is arranged on the carrier 2 and is electrically connected with the power module 11.
[0056] As shown in Figure 1 and Figures 3-5 In the embodiment, the arrangement of the first lamp 61 is beneficial to improving the placing accuracy of the display screen 7, and the arrangement of the second lamp 62 is not only beneficial to the stability and accuracy of the connection between the connector 71 and the probe assembly 3, but also makes the fixing assembly 4 better fix the connector 71, ensures the smooth test, and improves the detection efficiency.
[0057] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.
Claims
1. A display screen testing apparatus, characterized by, The display screen testing device comprises a test box (1) provided with a power module (11); a carrier (2) rotatably arranged on the test box (1), the carrier (2) being provided with a first placing groove (21) for placing a display screen (7); a probe assembly (3) for providing a starting signal and working voltage to a connector (71) of the display screen (7), the probe assembly (3) being assembled on the carrier (2) and electrically connected with the power module (11); and a fixing assembly (4) for fixing the connector (71), the fixing assembly (4) being assembled on the carrier (2). The probe assembly (3) comprises a probe seat (31) arranged on the carrier (2), a second placing groove (32) for placing the connector (71), and a plurality of probes for providing the starting signal and working voltage to the display screen (7), the second placing groove (32) being arranged on the probe seat (31), and the plurality of probes being fixed on the probe seat (31) and extending into the second placing groove (32) and electrically connected with the power module (11). The fixing assembly (4) comprises a first fixing member (41) for fixing the connector (71) and a second fixing member (42) for fixing the first fixing member (41), the first fixing member (41) and the second fixing member (42) being rotatably connected with the carrier (2) respectively. The fixing assembly (4) further comprises a clamping member (43) clamped with the second fixing member (42) and a hot plug switch (44) for controlling the starting signal provided by the probe assembly (3), the clamping member (43) being arranged on the carrier (2), and the hot plug switch (44) being movably arranged on the carrier (2) and abutting against the clamping member (43). The carrier (2) further comprises a replacement member (23) detachably connected with the carrier (2), a limiting member (22), and a profiling table (24), the profiling table (24) being arranged on the replacement member (23), the profiling table (24) being provided with the first placing groove (21), the first placing groove (21) being provided with a plurality of limiting members (22) around, the probe assembly (3) being assembled on the replacement member (23), and the fixing assembly (4) being assembled on the replacement member (23).
2. The display screen testing apparatus of claim 1, wherein, The display screen testing device further comprises a support member (5) arranged between the carrier (2) and the test box (1), the carrier (2) being rotatably connected with the support member (5), and the support member (5) being used for limiting the angle of rotation of the carrier (2).
3. The display screen testing apparatus of claim 1, wherein, The support member (5) comprises a connecting portion (51) and a supporting portion (52), the carrier (2) being rotatably connected with the connecting portion (51), and the supporting portion (52) being used for limiting the angle of rotation of the carrier (2).
4. The display screen testing apparatus of claim 3, wherein, The support member (5) further comprises a supporting seat (53) detachably connected with the supporting portion (52).
5. The display screen testing apparatus of claim 1, wherein, 6. The display screen testing apparatus of claim 1, wherein, 7. The display screen testing apparatus of claim 6, wherein, 8. The display screen testing apparatus of claim 7, wherein, 9. The display screen testing apparatus of claim 1, wherein, The display screen testing device further comprises a lamp assembly (6) for illuminating the carrier (2), and the lamp assembly (6) is electrically connected with the power module (11).
10. The display screen testing apparatus of claim 9, wherein, The lamp assembly (6) comprises a first lamp (61) for illuminating the first placing groove (21) and a second lamp (62) for illuminating the probe assembly (3) and the fixing assembly (4), the first lamp (61) is arranged on the testing box (1) and electrically connected with the power module (11), and the second lamp (62) is assembled on the carrier (2) and electrically connected with the power module (11).