Dead pixel detection table for display panel

Abstract

The utility model discloses a display panel dead pixel detection bench, which comprises a main body structure, an operation bench, a light guide panel and a support seat, the light guide panel is fixedly connected to the top of the operation bench, and the support seat is fixedly connected to the bottom of the operation bench; the cleaning assembly is arranged on one side of the light guide panel and comprises a movable rod, a fixed frame, an outer sleeve, a first through groove, a cleaning roller, a dust collecting part, a filtering part, a linkage part and a moving part, the movable rod is fixedly connected to one side of the moving part, the fixed frame is fixedly connected to one side of the movable rod, the outer sleeve is fixedly connected to one side of the fixed frame, and the first through groove is formed in the outer sleeve. The cleaning efficiency and consistency can be remarkably improved through the cleaning assembly, meanwhile, manual intervention is reduced, the labor intensity is reduced, compared with manual cleaning, the surface of the light guide panel can be kept clean, dust accumulation is avoided, and the situation that due to incomplete cleaning, detection on the display panel is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to display detection device technical field, especially a kind of bad point detection station for display panel. BACKGROUND

[0002] The bad point detection station of display panel (also called as display defect detection equipment or panel flaw detection station) is a kind of equipment for detecting defective pixels (bad points), bright spots, black spots, light leakage and other defects on display panel, and the display panel needs to be detected whether there is bad point and other defects before being assembled into television set, light guide plate on the surface of detection station generates light after being electrified, and whether there is bad point can be viewed after display panel is placed, in the detection process, dust and impurities can appear on the surface of light guide plate, and dust and impurities can form small spots or uneven luster on the surface of display panel, these flaws can be confused with defects of display panel itself (such as pixel failure, uneven brightness etc.), affect the detection of display panel, lead to misjudgment.

[0003] Therefore, it is very important to keep the surface of light guide plate clean, and in the prior art, manual cleaning is used, but manual cleaning is not only low in efficiency and high in labor intensity, but also is easily affected by human operation difference, in the process of manual cleaning, staff can be missed or make mistakes due to fatigue, inattention or improper operation, which can lead to incomplete cleaning and affect the detection of display panel. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the present utility model.

[0005] In view of the above and / or existing problems in the bad point detection station for display panel, the present utility model is proposed.

[0006] Therefore, the problem to be solved by the present utility model is how to solve the problem of low efficiency of manual cleaning and the problem that manual cleaning is easily affected by human operation difference, which can lead to incomplete cleaning and affect the detection of display panel.

[0007] To solve the above technical problems, the present utility model provides the following technical scheme: a bad point detection station for display panel, comprising,

[0008] A main body structure comprises an operation table, a light guide panel and a support seat, the light guide panel is fixedly connected to the top of the operation table, and the support seat is fixedly connected to the bottom of the operation table; and

[0009] The cleaning assembly is arranged on one side of the light guide panel, and comprises a movable rod, a fixed frame, an outer sleeve, a first through groove, a cleaning roller, a dust collecting part, a filtering part, a linkage part and a moving part, the movable rod is fixedly connected to one side of the moving part, the fixed frame is fixedly connected to one side of the movable rod, the outer sleeve is fixedly connected to one side of the fixed frame, the first through groove is arranged at the bottom of the outer sleeve, the cleaning roller is fixedly connected to the both sides of the inner cavity of the outer sleeve, the surface of the cleaning roller is fixedly connected with superfine fiber cloth, the dust collecting part is arranged on one side of the cleaning roller, the filtering part is communicated with one side of the dust collecting part, the linkage part is arranged on one side of the dust collecting part and cooperates with the moving part, and the moving part is arranged on one side of the linkage part.

[0010] As a preferred scheme of the bad point detection table for the display panel, the dust collecting part comprises dust collecting barrels fixedly connected to the both sides of the inner cavity of the outer sleeve, a second through groove is arranged at the bottom of the dust collecting barrel, a rotating rod is rotatably connected to the bottom of the inner cavity of the dust collecting barrel through a bearing, and the surface of the rotating rod is fixedly connected with a fan blade.

[0011] As a preferred scheme of the bad point detection table for the display panel, the dust collecting part further comprises a dust collecting opening fixedly connected to the inner cavity of the second through groove and communicated with the inner cavity of the dust collecting barrel.

[0012] As a preferred scheme of the bad point detection table for the display panel, one side of the dust collecting barrel penetrates the outer sleeve and is hingedly connected with a barrel cover, the bottom of the barrel cover is fixedly connected with a buckle, and the buckle is fixedly connected to one side of the outer sleeve.

[0013] As a preferred scheme of the bad point detection table for the display panel, the filtering part comprises a connecting pipe communicated with one side of the dust collecting barrel, one side of the connecting pipe penetrates the outer sleeve and is communicated with a purifier.

[0014] As a preferred scheme of the bad point detection table for the display panel, the linkage part comprises a toothed plate fixedly connected to the top of the moving part, the top of the toothed plate is engaged with a synchronous gear, one side of the synchronous gear is fixedly connected with a linkage rod, the surface of the linkage rod is fixedly connected with a driving bevel gear, one side of the driving bevel gear is engaged with a driven bevel gear, and the driven bevel gear is fixedly connected to the top of the rotating rod.

[0015] As a preferred scheme of the bad point detection table for the display panel, one side of the linkage rod penetrates the outer sleeve and the dust collecting barrel and is rotatably connected to one side of the inner cavity of the dust collecting barrel through a bearing, and the other side of the linkage rod is rotatably connected to the moving part through a bearing.

[0016] As a kind of preferred scheme for the bad point detection table for display panel of the utility model, wherein: the moving piece includes electric slide rail fixedly connected to the top side of operation table, the gear plate is fixedly connected to the top side of electric slide rail, the other side of the top of electric slide rail is connected with sliding seat by screw rod thread, the lower half of one side of sliding seat is rotatably connected with linkage rod by bearing, the upper half of one side of sliding seat is fixedly connected with movable rod, one side of sliding seat is provided with limiting portion.

[0017] As a kind of preferred scheme for the bad point detection table for display panel of the utility model, wherein: the limiting portion includes limiting rod fixedly connected to the side of outer sleeve, the side of the top of operation table is provided with limiting slot, the bottom of limiting rod is slidably connected to the inner cavity of limiting slot.

[0018] As a kind of preferred scheme for the bad point detection table for display panel of the utility model, wherein: the limiting portion further includes ball movably connected to the two sides and bottom of limiting rod, the two sides and bottom of the inner cavity of limiting slot are provided with rolling groove.

[0019] The utility model has the advantages that: cleaning assembly can significantly improve cleaning efficiency and consistency, while reducing manual intervention, reducing labor intensity, compared with manual cleaning, it can keep the surface of light guide panel clean, avoid dust accumulation, avoid incomplete cleaning caused by detection of display panel, while cleaning process can clean dust and prevent secondary pollution, ensure clean working environment. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in embodiment description, obviously, the drawing in the following description is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, other drawings can also be obtained according to these drawings. Wherein:

[0021] Figure 1 It is the structure diagram of the bad point detection table for display panel.

[0022] Figure 2 It is the structure section view of outer sleeve and dust collecting cylinder of the bad point detection table for display panel.

[0023] Figure 3 It is the operation table of the bad point detection table for display panel. Figure 2 It is the enlarged view of A area structure in the middle.

[0024] Figure 4 It is the operation table structure section view of the bad point detection table for display panel.

[0025] Figure 5 Bad point detection station for display panel Figure 4 B region structure in the middle is enlarged.

[0026] Figure 6 Bad point detection station for display panel Figure 4 C region structure in the middle is enlarged.

[0027] In the figure: 100, main structure; 101, operation table; 102, light guide panel; 103, support seat; 200, cleaning assembly; 201, movable rod; 202, fixed frame; 203, outer sleeve; 204, first through slot; 205, cleaning roller; 206, dust collecting part; 206a, dust collecting cylinder; 206a-1, cylinder cover; 206b, second through slot; 206c, rotating rod; 206d, fan blade; 206e, dust collecting port; 207, filtering part; 207a, connecting pipe; 207b, purifier; 208, linkage part; 208a, toothed plate; 208b, synchronous gear; 208c, linkage rod; 208d, driving bevel gear; 208e, driven bevel gear; 209, moving part; 209a, electric sliding rail; 209b, sliding seat; 209c, limiting part; 209c-1, limiting rod; 209c-2, limiting groove; 209c-3, ball; 209c-4, rolling groove. DETAILED DESCRIPTION

[0028] In order to make the above objectives, characteristics and advantages of the present application more apparent and understandable, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0029] In the following description, a lot of specific details are set forth in order to give a thorough understanding of the present application, but the present application can be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0030] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0031] Embodiment 1

[0032] Reference Figures 1-6For the first embodiment of the utility model, this embodiment provides a bad point detection table for display panel, the bad point detection table for display panel includes cleaning assembly 200, through cleaning assembly 200 can clean dust and impurity on light guide panel 102, and synchronously collect dust, compared with artificial cleaning, with higher efficiency and consistency.

[0033] Specifically, the main body structure 100 includes an operation table 101, a light guide panel 102, and a support seat 103, the light guide panel 102 is fixedly connected to the top of the operation table 101, and the support seat 103 is fixedly connected to the bottom of the operation table 101.

[0034] The cleaning assembly 200 is arranged on one side of the light guide panel 102 and includes a movable rod 201, a fixed frame 202, an outer sleeve 203, a first through slot 204, a cleaning roller 205, a dust collecting piece 206, a filtering piece 207, a linkage piece 208, and a moving piece 209.

[0035] The movable rod 201 can drive the fixed frame 202, the outer sleeve 203, and the cleaning roller 205 to move, thereby cleaning the dust and impurities on the light guide panel 102, which is simple in operation and saves time and effort.

[0036] The surface of the cleaning roller 205 is provided with superfine fiber cloth, which has stronger cleaning ability and better dust collection effect than ordinary cloth, can ensure that the surface is cleaner, and will not leave fiber residues after cleaning.

[0037] Specifically, the dust collecting member 206 includes dust collecting cylinders 206a fixedly connected to both sides of the inner cavity of the outer sleeve 203, the bottom of the dust collecting cylinder 206a is provided with a second through slot 206b, and the inner cavity of the dust collecting cylinder 206a is rotatably connected with a rotating rod 206c through a bearing, and the surface of the rotating rod 206c is fixedly connected with a fan blade 206d.

[0038] The fan blade 206d is driven to rotate by the rotating rod 206c, so as to generate suction force, when the cleaning roller 205 cleans the dust and impurities on the light guide panel 102, the dust enters the dust collecting cylinder 206a through the second through slot 206b, thereby realizing the collection of the dust, part of the small impurities are also collected together with the dust, and the large-particle impurities are pushed away from the surface of the light guide panel 102 by the cleaning roller 205.

[0039] Specifically, the dust collecting member 206 further includes a dust collecting port 206e fixedly connected to the inner cavity of the second through slot 206b and in communication with the inner cavity of the dust collecting cylinder 206a.

[0040] The opening size of the dust collecting port 206e is smaller than that of the second through slot 206b, the smaller dust collecting port limits the air flow, but improves the speed of the air flow, and the high-speed air flow can more effectively suck the dust and small impurities, thereby improving the cleaning efficiency.

[0041] Specifically, one side of the dust collecting cylinder 206a penetrates the outer sleeve 203 and is hingedly connected with a cylinder cover 206a-1, the bottom of the cylinder cover 206a-1 is fixedly connected with a buckle, and the buckle is fixedly connected to one side of the outer sleeve 203.

[0042] The inner cavity of the dust collecting cylinder 206a can be conveniently cleaned through the cylinder cover 206a-1, and the cylinder cover 206a-1 and the outer sleeve 203 can be fixed through the buckle, so that the cylinder cover 206a-1 is in a closed state when it is not necessary to clean, and the buckle is a prior art, and a person skilled in the art can select a corresponding model according to the needs.

[0043] Embodiment 2

[0044] Reference Figures 3-6 This is the second embodiment of the utility model, and the embodiment is based on the previous embodiment.

[0045] Specifically, the filter member 207 includes a connecting pipe 207a communicated with one side of the dust collecting cylinder 206a, one side of the connecting pipe 207a penetrates the outer sleeve 203 and is communicated with a purifier 207b.

[0046] The air flows through the connecting pipe 207a, which helps to collect dust, and the dust and impurities are filtered through the purifier 207b, which avoids the leakage of dust and impurities. The purifier 207b is provided with a filter screen, and the working principle is to filter through the filter screen, which is a prior art and will not be described in detail.

[0047] It should be noted that the connecting pipe 207a is provided with a one-way valve, which can prevent dust and impurities from falling back through the connecting pipe 207a after dust collection is completed.

[0048] Specifically, the linkage 208 includes a tooth plate 208a fixedly connected to the top of the moving part 209, the top of the tooth plate 208a is engaged with a synchronous gear 208b, one side of the synchronous gear 208b is fixedly connected with a linkage rod 208c, the surface of the linkage rod 208c is fixedly connected with a driving bevel gear 208d, one side of the driving bevel gear 208d is engaged with a driven bevel gear 208e, and the driven bevel gear 208e is fixedly connected to the top of the rotating rod 206c.

[0049] When the moving part 209 drives the cleaning roller 205 to move for cleaning, the linkage rod 208c will move synchronously, at this time the synchronous gear 208b will engage with the tooth plate 208a, so as to drive the linkage rod 208c, the driving bevel gear 208d and the driven bevel gear 208e to rotate through the synchronous gear 208b, and then drive the fan blade 206d to rotate through the rotating rod 206c, thereby realizing the linkage of the moving part 209 and the dust collecting part 206. Compared with manual cleaning, it has higher efficiency and consistency, and can avoid the omissions and unevenness in manual cleaning, so that cleaning and dust collection can be synchronized.

[0050] Specifically, one side of the linkage rod 208c penetrates the outer sleeve 203 and the dust collecting cylinder 206a and is rotatably connected to one side of the inner cavity of the dust collecting cylinder 206a through a bearing, and the other side of the linkage rod 208c is rotatably connected to the moving part 209 through a bearing.

[0051] One side of the linkage rod 208c is connected to the dust collecting cylinder 206a through a bearing, and the other side is connected to the moving part 209 through a bearing, and the bearing can realize the combination of fixed connection and rotary connection, so that the linkage rod 208c, the dust collecting cylinder 206a and the moving part 209 can move synchronously while keeping the flexibility of the rotation of the linkage rod 208c. Bearings can be provided at the connection positions of the linkage rod 208c, the outer sleeve 203 and the dust collecting cylinder 206a to increase the stability of the connection.

[0052] Specifically, the moving piece 209 comprises an electric slide rail 209a fixedly connected to one side of the top of the operation table 101, the toothed plate 208a is fixedly connected to one side of the top of the electric slide rail 209a, the other side of the top of the electric slide rail 209a is threadedly connected with a sliding seat 209b, the lower half of one side of the sliding seat 209b is rotationally connected with the linkage rod 208c through a bearing, the upper half of one side of the sliding seat 209b is fixedly connected with the movable rod 201, and one side of the sliding seat 209b is provided with a limiting portion 209c.

[0053] The movable rod 201 can be driven to move by the sliding seat 209b, so that the cleaning roller 205 moves and cleans the light guide panel 102, and the linkage rod 208c can be driven to move by the sliding seat 209b, so that the fan blade 206d is driven to rotate, thereby collecting dust, wherein the electric slide rail 209a and the sliding seat 209b are prior art, and details are not described herein.

[0054] Specifically, the limiting portion 209c comprises a limiting rod 209c-1 fixedly connected to one side of the outer sleeve 203, and a limiting groove 209c-2 is formed in one side of the top of the operation table 101, and the bottom of the limiting rod 209c-1 is slidingly connected to the inner cavity of the limiting groove 209c-2.

[0055] Through cooperation of the limiting groove 209c-2 and the limiting rod 209c-1, the outer sleeve 203 can be limited and supported, thereby increasing the stability of the outer sleeve 203 during movement.

[0056] Specifically, the limiting portion 209c further comprises a plurality of balls 209c-3 movably connected to the limiting rod 209c-1 on both sides and the bottom, and rolling grooves 209c-4 are formed in both sides and the bottom of the inner cavity of the limiting groove 209c-2.

[0057] The balls 209c-3 can reduce the friction between the limiting groove 209c-2 and the limiting rod 209c-1, effectively reduce the energy loss during movement, and also make the limiting rod 209c-1 slide more smoothly and reduce abrasion, and the balls 209c-3 move along a predetermined track through the rolling grooves 209c-4, thereby reducing deviation during movement.

[0058] Before the display panel is detected, the sliding seat 209b can be moved by the electric sliding rail 209a, so as to drive the movable rod 201, the fixed frame 202, the outer sleeve 203 and the cleaning roller 205 to move, the surface of the light guide panel 102 is cleaned, when the sliding seat 209b moves, the linkage rod 208c can be driven to move, at this time, the linkage rod 208c is rotated under the meshing of the toothed plate 208a and the synchronous gear 208b, and drives the driving bevel gear 208d, the driven bevel gear 208e, the rotating rod 206c and the fan blade 206d to rotate synchronously, so that the wind power is generated, the dust and the small impurities cleaned are collected into the inner cavity of the dust collecting cylinder 206a by the wind power, thereby improving the cleaning efficiency, quality and consistency, improving the reliability of detection, and reducing the labor cost.

[0059] In the process, the dust and the small impurities can be transported to the purifier 207b for filtering through the connecting pipe 207a, thereby avoiding secondary pollution caused by the scattering of the dust and the small impurities, the stability of the outer sleeve 203 can be increased through the cooperation of the limiting groove 209c-2 and the limiting rod 209c-1, and the energy loss in the movement process is further reduced through the cooperation of the ball 209c-3 and the rolling groove 209c-4, and the service life is prolonged.

[0060] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, not to limit, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced, without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. A defect detection station for display panels, characterized in that: Including, The main body structure (100) includes the operating table (101), the light guide panel (102) and the support seat (103), the light guide panel (102) is fixedly connected to the top of the operating table (101), and the support seat (103) is fixedly connected to the bottom of the operating table (101). The cleaning assembly (200) is arranged on one side of the light guide panel (102) and includes the movable rod (201), the fixed frame (202), the outer sleeve (203), the first through slot (204), the cleaning roller (205), the dust collecting part (206), the filtering part (207), the linkage part (208) and the moving part (209), the movable rod (201) is fixedly connected to one side of the moving part (209), the fixed frame (202) is fixedly connected to one side of the movable rod (201), the outer sleeve (203) is fixedly connected to one side of the fixed frame (202), the first through slot (204) is formed in the bottom of the outer sleeve (203), the cleaning roller (205) is fixedly connected to the surfaces of the two sides of the inner cavity of the outer sleeve (203), the surface of the cleaning roller (205) is fixedly connected with superfine fiber cloth, the dust collecting part (206) is located on one side of the cleaning roller (205), the filtering part (207) is communicated with one side of the dust collecting part (206), the linkage part (208) is arranged on one side of the dust collecting part (206) and cooperates with the moving part (209), and the moving part (209) is arranged on one side of the linkage part (208).

2. The bad pixel inspection station for a display panel of claim 1, wherein: The dust collecting part (206) includes the dust collecting cylinder (206a) fixedly connected to the two sides of the inner cavity of the outer sleeve (203), the second through slot (206b) is formed in the bottom of the dust collecting cylinder (206a), the rotating rod (206c) is rotatably connected to the bottom of the inner cavity of the dust collecting cylinder (206a) through a bearing, and the surface of the rotating rod (206c) is fixedly connected with the fan blade (206d).

3. The bad pixel inspection station for a display panel of claim 2, wherein: The dust collecting part (206) further includes the dust collecting port (206e), and the dust collecting port (206e) is fixedly connected to the inner cavity of the second through slot (206b) and communicates with the inner cavity of the dust collecting cylinder (206a).

4. The bad pixel inspection station for a display panel of claim 3, wherein: One side of the dust collecting cylinder (206a) penetrates the outer sleeve (203) and is hingedly connected with the cylinder cover (206a-1), the bottom of the cylinder cover (206a-1) is fixedly connected with the buckle, and the buckle is fixedly connected to one side of the outer sleeve (203).

5. The bad pixel inspection station for a display panel of claim 4, wherein: The filtering part (207) includes the connecting pipe (207a) communicated with one side of the dust collecting cylinder (206a), and one side of the connecting pipe (207a) penetrates the outer sleeve (203) and is communicated with the purifier (207b).

6. The bad pixel inspection station for a display panel of claim 1, wherein: The linkage (208) comprises a tooth plate (208a) fixedly connected to the top of the moving piece (209), the top of the tooth plate (208a) is engaged with a synchronous gear (208b), one side of the synchronous gear (208b) is fixedly connected with a linkage rod (208c), the surface of the linkage rod (208c) is fixedly connected with a driving bevel gear (208d), one side of the driving bevel gear (208d) is engaged with a driven bevel gear (208e), and the driven bevel gear (208e) is fixedly connected to the top of the rotating rod (206c).

7. The bad pixel inspection station for a display panel of claim 6, wherein: One side of the linkage rod (208c) penetrates the outer sleeve (203) and the dust collecting cylinder (206a) and is rotatably connected with one side of the inner cavity of the dust collecting cylinder (206a) through a bearing, and the other side of the linkage rod (208c) is rotatably connected with the moving piece (209) through a bearing.

8. The bad pixel inspection station for a display panel of claim 7, wherein: The moving piece (209) comprises an electric sliding rail (209a) fixedly connected to one side of the top of the operation table (101), the tooth plate (208a) is fixedly connected to one side of the top of the electric sliding rail (209a), the top of the electric sliding rail (209a) is threadedly connected with a sliding seat (209b) on the other side, the lower half of one side of the sliding seat (209b) is rotatably connected with the linkage rod (208c) through a bearing, the upper half of one side of the sliding seat (209b) is fixedly connected with the movable rod (201), and one side of the sliding seat (209b) is provided with a limiting portion (209c).

9. The bad pixel inspection station for a display panel of claim 8, wherein: The limiting portion (209c) comprises a limiting rod (209c-1) fixedly connected to one side of the outer sleeve (203), and the top of the operation table (101) is provided with a limiting groove (209c-2) on one side.

10. The bad pixel inspection station for a display panel of claim 9, wherein: The limiting portion (209c) further comprises balls (209c-3) movably connected to the two sides and the bottom of the limiting rod (209c-1), and the two sides and the bottom of the inner cavity of the limiting groove (209c-2) are provided with rolling grooves (209c-4).

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