CN209879193U - Display panel detection device - Google Patents
Display panel detection device Download PDFInfo
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- CN209879193U CN209879193U CN201920807230.7U CN201920807230U CN209879193U CN 209879193 U CN209879193 U CN 209879193U CN 201920807230 U CN201920807230 U CN 201920807230U CN 209879193 U CN209879193 U CN 209879193U
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Abstract
An embodiment of the utility model provides a display panel detection device is about. The detection device includes: the detection device comprises a detection platform, a first side of which is provided with a plurality of positioning supporting parts, wherein the positioning supporting parts are used for fixing a display panel to be detected; the backlight assembly is arranged on a second surface, opposite to the first surface, of the detection platform, and the light irradiation direction of the backlight assembly faces to the first surface; the light polarization assembly is arranged between the detection platform and the backlight assembly. The embodiment of the utility model provides an on the one hand improved the light source utilization ratio of lamp house of carrying on the back, be favorable to stabbing and pressing, the detection of greasy transparent impurity; on the other hand, the back light box and the detection platform are arranged together, so that the maintenance of the equipment and the replacement of the polarizing component are facilitated.
Description
Technical Field
The embodiment of the utility model provides a production and the detection technology field that relate to display panel especially relate to a display panel detection device.
Background
Liquid crystal display panels are commonly used flat panel displays. In the production process of a liquid crystal display panel, in order to find defects in the production process of the panel, it is necessary to perform light transmission detection before boxing, and the light transmission detection is to detect visual defects such as bubbles, seal leakage and the like by illuminating through a backlight and transmitting through a polarizer.
In the correlation technique, the backlight source and the detection platform of the liquid crystal display panel macroscopic detection device are separately arranged, so that the lighting effect of the liquid crystal panel is reduced, the utilization rate of the backlight source is low, the liquid crystal panel is not beneficial to puncture and crush, and the grease transparent impurities are not easy to detect, and the safety distance is small when the backlight source and the detection platform are separately arranged due to the increase of the panel size in the current liquid crystal panel industry, so that the equipment maintenance and the back polarizing plate replacement are difficult.
Accordingly, there is a need to ameliorate one or more of the problems with the related art solutions described above.
It is noted that this section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a display panel detection device, and then overcome one or more problems that lead to because the restriction of correlation technique and defect to a certain extent at least.
According to the utility model discloses an aspect provides a display panel detection device, include:
the detection device comprises a detection platform, a first side of which is provided with a plurality of positioning supporting parts, wherein the positioning supporting parts are used for fixing a display panel to be detected;
the backlight assembly is arranged on a second surface, opposite to the first surface, of the detection platform, and the light irradiation direction of the backlight assembly faces to the first surface;
the light polarization assembly is arranged between the detection platform and the backlight assembly.
In an embodiment of the present invention, the detection device further includes:
the first rotating mechanism comprises a frame, a first bearing and a second bearing are arranged at two opposite ends of the frame, a first rotating shaft and a second rotating shaft are respectively arranged at two opposite ends of the detection platform, and the first rotating shaft and the second rotating shaft are respectively connected with the first bearing and the second bearing;
and the second rotating mechanism comprises a driving motor, a rotating shaft of the driving motor is connected with the frame to drive the frame to rotate, and a rotating axis of the frame is vertical to rotating axes of the first rotating shaft and the second rotating shaft.
In an embodiment of the present invention, the detection device further includes:
and the lifting mechanism is positioned below the frame and used for driving the frame and the detection platform to ascend to a preset position.
In an embodiment of the present invention, the positioning support portion is a vacuum chuck.
In an embodiment of the present invention, the backlight assembly includes an even number of back light boxes.
The utility model discloses an in the embodiment, back of the body lamp house through a plurality of adapting unit install in detection platform is last.
In an embodiment of the present invention, the connecting member includes an articulated member and a clamp.
In an embodiment of the present invention, a plurality of heat dissipation devices are disposed on the back light box.
In an embodiment of the present invention, the heat dissipation device is an ion fan.
The utility model discloses an in the embodiment, polarisation subassembly includes a plurality of polarizing plates, the number of polarizing plate with the number of lamp house is the same on the back, and the upper surface setting of every lamp house on the back corresponds the polarizing plate.
The embodiment of the utility model provides a technical scheme can include following beneficial effect:
in the embodiment of the utility model, through the display panel detection device, on one hand, the light source utilization rate of the backlight box is improved, which is beneficial to the detection of stabbing and pressing injuries and grease transparent impurities; on the other hand, the back light box and the detection platform are arranged together, so that the maintenance of the equipment and the replacement of the polarizing component are facilitated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
FIG. 1 is a schematic diagram of a macro inspection apparatus for a liquid crystal display panel according to the related art;
fig. 2 shows a schematic side view of a detection device in an exemplary embodiment of the invention;
fig. 3 shows a schematic top perspective view of a detection device in an exemplary embodiment of the present invention;
fig. 4 shows a schematic bottom view of a detection device in an exemplary embodiment of the invention;
fig. 5 shows a schematic bottom perspective view of a detection device in an exemplary embodiment of the present invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of embodiments of the invention, which are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.
In the related art, referring to fig. 1, a backlight source 102 ' and a detection platform 101 ' of a liquid crystal display panel macro-inspection apparatus are separately arranged, the backlight source 102 ' is at a certain distance from the detection platform 101 ' to reduce the lighting effect of a liquid crystal panel 104 ', the utilization rate of the backlight source 102 ' is low, which is not favorable for inspecting the liquid crystal panel 104 ' for stabbing and pressing and grease-like transparent impurities, and along with the increase of the panel size in the liquid crystal panel industry at present, when the backlight source 102 ' and the detection platform 101 ' are separately arranged, the backlight source 102 ' is arranged at the side of the detection platform 101 ', the safety distance from the detection platform 101 ' is small, which causes the maintenance of the apparatus and the replacement of the back polarizing plate 103 ' to be difficult, and when the detection platform 101 ' and the backlight source 102 ' are in a non-parallel state, the frame of the detection platform 101 ' is easy to form a shadow on the liquid crystal panel 104 ' under the, is not favorable for the detection of the liquid crystal panel 104'.
In order to solve the above problem, the present exemplary embodiment first provides a display panel detection apparatus. Referring to fig. 2 to 5, the detecting means may include: an inspection platform 101, a backlight assembly 102, and a polarization assembly. The first surface of the detection platform 101 is provided with a plurality of positioning support portions 1011, and the positioning support portions 1011 are used for fixing the display panel 104 to be detected. The backlight assembly 102 is disposed on a second surface of the detection platform 101 opposite to the first surface, and a light irradiation direction of the backlight assembly 102 is toward the first surface; the polarization assembly is disposed between the inspection platform 101 and the backlight assembly 102.
By the display panel detection device, the display panel 104 to be detected is arranged on the first surface of the detection platform 101, the backlight assembly 102 is arranged on the second surface of the detection platform corresponding to the first surface, the distance between the backlight assembly 102 and the display panel 104 to be detected is reduced, the light source utilization rate of the backlight assembly 102 is greatly improved, the display panel 104 to be detected can be more clearly detected, and puncture, crush and grease transparent impurity detection is facilitated; meanwhile, the backlight assembly 102 and the detection platform 101 are arranged together, so that the problem that the safety distance between the backlight box 1021 and the detection platform 101 is small in the related art is solved, the daily maintenance of the detection device and the replacement of the polarization assembly are facilitated, and when the separation arrangement is also solved to a great extent, the frame of the detection platform is easy to form a shadow on the display panel in a non-parallel arrangement state, so that the detection is not facilitated.
Next, each part of the above-described detection apparatus in the present exemplary embodiment will be described in more detail with reference to fig. 2 to 5.
In order to better detect the display panel 104 to be detected and to enable the display panel 104 to be detected to have a better detection viewing angle, in an embodiment, the detection apparatus may further include a first rotating mechanism and a second rotating mechanism. The first rotating mechanism may include a frame 105, wherein a first bearing 1051 and a second bearing 1052 are disposed at opposite ends of the frame 105, and a first rotating shaft and a second rotating shaft are disposed at opposite ends of the detecting platform 101, respectively, and are connected to the first bearing 1051 and the second bearing 1052, respectively. The second rotating mechanism may include a driving motor (not shown) having a rotating shaft connected to the frame 105 to drive the frame 105 to rotate, and the rotating axis of the frame 105 is perpendicular to the rotating axes of the first rotating shaft and the second rotating shaft. According to the detection requirement of a detector, the display panel 104 to be detected can rotate within the frame by a first preset angle through the first rotating shaft and the second rotating shaft, and stops rotating after rotating to the required first preset angle; frame 105 can drive testing platform 101 and rotate the second and predetermine the angle under driving motor's drive, and the angle until final testing platform 101 can satisfy testing personnel's detection needs. The driving motor may be a servo motor, but is not limited thereto.
In an embodiment, the detecting device may further include a lifting mechanism (not shown) located below the frame 105, and configured to drive the frame 105 and the detecting platform 101 to ascend to a preset position. In the process of detecting the display panel 104 to be detected, the lifting mechanism can drive the frame 105 and the display panel 104 to be detected to ascend or descend, so that the display panel 104 to be detected has a better detection visual angle. When testing platform 104 maintained maintenance and polarisation subassembly change, accessible elevating system adjusted testing platform 104's height for testing platform 104 possesses great safe distance, and the staff of being convenient for maintains maintenance and polarisation subassembly's change to testing platform 104.
In one embodiment, the positioning support 1011 may be a vacuum chuck. The vacuum sucking disc, also called vacuum sling, is a pneumatic element which works by the internal and external pressure difference generated by vacuum. The display panel 104 to be detected is fixed through the vacuum chucks, the fixing effect is good, the movement or falling of the display panel 104 to be detected in the detection process can be reduced to a great extent, the number of the vacuum chucks arranged on the detection platform 101 can be 80, and certainly, the detection platform is not limited to the number.
In one embodiment, as shown in fig. 4, the backlight assembly 102 may include an even number of backlight boxes 1021. The number of the backlight boxes 1021 included in the backlight assembly 102 may be determined according to the area of the display panel 104 to be detected, and may be 2, 4, 6, and the like, which is not limited thereto.
In one embodiment, the backlight box 1021 may be mounted to the inspection platform 101 through a plurality of connection members. Install backlight box 1021 through a plurality of adapting unit, the installation effect is better, can reduce in the testing process backlight box 1021 not hard up or drop.
In one embodiment, as shown in fig. 4-5, the connecting member may include a hinge 1023 and a clamp 1024. Specifically, the backlight box 1021 is rectangular, and a hinge 1023 is arranged on a first side of the backlight box 1021 and connected with the detection platform 101 through the hinge 1023; the two sides adjacent to the first side of the backlight box 1021 are provided with the clamp 1024, and the two sides adjacent to the first side of the backlight box 1021 and the detection platform 101 can be connected or loosened by opening or closing the clamp 1024, so that the backlight box 1021 can be partially loosened by opening the clamp 1024 in the process of equipment maintenance or replacement of the polarization assembly, the hinge 1023 can be a hinge, and certainly is not limited thereto.
In one embodiment, as shown in fig. 4 to 5, a plurality of heat dissipation devices 1022 may be disposed on the back light box 1021. The number of the heat dissipation devices 1022 may be set according to the size of the backlight box 1021 and the heat dissipation requirement, but is not limited thereto.
In one embodiment, the heat dissipation device 1022 may be an ion fan. The ion fan for heat dissipation is based on the principle of positive and negative electron neutralization, and positive ions are generated from one end of a pair of electrodes and fly to negative ions at the other end, so that air can be driven to form stable air flow, that is, "ion wind" takes away heat, but the invention is not limited to this.
To facilitate the replacement of the polarization assembly, in one embodiment, the polarization assembly may include a plurality of polarization plates, the number of the polarization plates is the same as that of the backlight boxes 1021, and a corresponding polarization plate is disposed on the upper surface of each backlight box 1021. With the increase of the panel size in the display panel industry, the size of the polarizing plate is increased, and the polarizing plate is difficult to replace; the polarizing component comprises a plurality of polarizing plates with small sizes, and the polarizing plates are arranged corresponding to the backlight box 1021, so that the polarizing plates with small sizes can be replaced singly when replaced, and the problem that the polarizing plates with large sizes are difficult to replace is solved to a great extent.
Through the display panel detection device, the display panel to be detected is arranged on the first surface of the detection platform, the backlight assembly is arranged on the second surface, corresponding to the first surface, of the detection platform, the distance between the backlight assembly and the display panel to be detected is reduced, the light source utilization rate of the backlight assembly is greatly improved, the display panel to be detected can be detected more clearly, and puncture, crush and grease transparent impurity detection is facilitated; meanwhile, the backlight component and the detection platform are arranged together, the problem that the safety distance between the backlight box and the detection platform is small in the related technology is solved, and the detection device is convenient to maintain daily and replace the polarized light component.
It is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like in the foregoing description are used for indicating or indicating the orientation or positional relationship relative to that shown in the drawings, merely for the purpose of describing embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features through another feature not in direct contact. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (10)
1. A display panel inspection apparatus, comprising:
the detection device comprises a detection platform, a first side of which is provided with a plurality of positioning supporting parts, wherein the positioning supporting parts are used for fixing a display panel to be detected;
the backlight assembly is arranged on a second surface, opposite to the first surface, of the detection platform, and the light irradiation direction of the backlight assembly faces to the first surface;
the light polarization assembly is arranged between the detection platform and the backlight assembly.
2. The detection device of claim 1, further comprising:
the first rotating mechanism comprises a frame, a first bearing and a second bearing are arranged at two opposite ends of the frame, a first rotating shaft and a second rotating shaft are respectively arranged at two opposite ends of the detection platform, and the first rotating shaft and the second rotating shaft are respectively connected with the first bearing and the second bearing;
and the second rotating mechanism comprises a driving motor, a rotating shaft of the driving motor is connected with the frame to drive the frame to rotate, and a rotating axis of the frame is vertical to rotating axes of the first rotating shaft and the second rotating shaft.
3. The detection device of claim 2, further comprising:
and the lifting mechanism is positioned below the frame and used for driving the frame and the detection platform to ascend to a preset position.
4. The detecting device according to claim 1, wherein the positioning support is a vacuum chuck.
5. The detecting device according to claim 1, wherein the backlight assembly includes an even number of back light boxes.
6. The inspection device of claim 5, wherein the backlight housing is mounted to the inspection platform by a plurality of attachment members.
7. The sensing device of claim 6, wherein the coupling member comprises a hinge and a clamp.
8. The inspection device of claim 5, wherein the back light box is provided with a plurality of heat dissipation devices.
9. The detecting device for detecting the rotation of a motor rotor as claimed in claim 8, wherein the heat dissipating device is an ion fan.
10. The inspection device according to any one of claims 5 to 9, wherein the polarization assembly comprises a plurality of polarization plates, the number of the polarization plates is the same as that of the back light boxes, and a corresponding polarization plate is disposed on the upper surface of each back light box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920807230.7U CN209879193U (en) | 2019-05-31 | 2019-05-31 | Display panel detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920807230.7U CN209879193U (en) | 2019-05-31 | 2019-05-31 | Display panel detection device |
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| CN209879193U true CN209879193U (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567655A (en) * | 2021-07-27 | 2021-10-29 | 苏州科韵激光科技有限公司 | Glass detection platform device and detection method |
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2019
- 2019-05-31 CN CN201920807230.7U patent/CN209879193U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567655A (en) * | 2021-07-27 | 2021-10-29 | 苏州科韵激光科技有限公司 | Glass detection platform device and detection method |
| CN113567655B (en) * | 2021-07-27 | 2023-08-25 | 苏州科韵激光科技有限公司 | Glass detection platform device and detection method |
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