Display module and LED display screen

Abstract

The utility model discloses a display module and an LED display screen, the display module comprises a mask, a module bottom shell and a PCBA board, the PCBA board is installed on the module bottom shell, and the mask covers the outer side of the PCBA board; the display module further comprises a corner protection piece, a first fixing part is arranged on the corner protection piece, a concave structure and a second fixing part are arranged on the module bottom shell, at least part of the concave structure extends to the side, facing the PCBA board, of the module bottom shell, and at least part of the second fixing part extends to the side, facing the PCBA board, of the module bottom shell. The corner protection sheet is fixed in the recessed structure through the cooperation of the first fixing part and the second fixing part, and is used for enhancing the strength of the module bottom shell.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, and in particular to a display module and an LED display screen. Background Art

[0002] LED display screens are composed of LED display modules and control boxes. They are used to display text, images, videos and other information. They are widely used in commercial media, cultural performance markets, stadiums, information dissemination, news releases, securities trading, etc., and can meet the needs of different environments. However, due to the corner design of LED display screens, during use, assembly and transportation, the corners of LED display screens are often easily damaged due to collisions and cannot be used. Utility Model Content

[0003] The utility model provides a display module and an LED display screen, which can protect the corners of the LED display screen through the corner protection sheets, do not need to add additional corner protection devices, and can effectively reduce the production cost of the LED display screen.

[0004] According to a first aspect of the utility model, the utility model provides a display module, comprising a mask, a module bottom shell and a PCBA board, wherein the PCBA board is mounted on the module bottom shell, and the mask covers the outer side of the PCBA board;

[0005] Among them, the display module also includes a corner protection piece, the corner protection piece is provided with a first fixing portion, the module bottom shell is provided with a recessed structure and a second fixing portion, at least part of the recessed structure extends to the side of the module bottom shell facing the PCBA board, and the corner protection piece is fixed in the recessed structure by the cooperation between the first fixing portion and the second fixing portion, so as to enhance the strength of the module bottom shell.

[0006] In a display module of one embodiment of the utility model, the second fixing portion includes a locking hole and a connecting piece, the corner protection sheet is provided with a connecting hole, the connecting piece passes through the connecting hole and is connected to the locking hole, so as to detachably install the corner protection sheet in the recessed structure.

[0007] In a display module of one embodiment of the utility model, a positioning groove is further provided on the bottom shell of the module, and a positioning protrusion is provided on the corner protection sheet. The positioning groove is formed on the end surface of the recessed structure facing the corner protection sheet, and the position of the positioning protrusion corresponds to the position of the positioning groove.

[0008] In a display module of one embodiment of the utility model, the locking hole is formed at the bottom of the positioning groove and is coaxially arranged with the positioning groove, the positioning protrusion is formed by the corner protection plate being recessed toward the module bottom shell, and the connecting hole is coaxially arranged with the positioning protrusion.

[0009] In a display module of one embodiment of the utility model, the recessed structure includes a first recessed portion and a second recessed portion, the first recessed portion is formed on one side of the corner of the module bottom shell, the second recessed portion is formed on the other side of the corner of the module bottom shell, and the two ends of the corner protection sheet are respectively fixed in the first recessed portion and the second recessed portion.

[0010] In a display module of one embodiment of the present invention, the corner protection sheet is L-shaped, and the height of the corner protection sheet matches the height of the first recessed portion and the second recessed portion, and the height of the first recessed portion and the second recessed portion is less than the height of the module bottom shell.

[0011] In the display module of one embodiment of the present invention, the thickness of the edge protection sheet is matched with the depth of the first recessed portion and the second recessed portion.

[0012] In a display module of one embodiment of the utility model, the face mask is provided with a lamp bead groove for accommodating lamp beads and two first positioning platforms, and the two first positioning platforms are arranged on both sides of the lamp bead groove to protect the lamp beads on the PCBA board.

[0013] In a display module according to an embodiment of the present invention, the first positioning platform extends along the length direction of the mask, and the height of one of two adjacent first positioning platforms is lower than the height of the other.

[0014] According to the second aspect of the utility model, the utility model also provides an LED display screen, characterized in that it includes a frame structure and the above-mentioned display module, and the display module is installed on the frame structure.

[0015] The technical solution provided by the embodiment of the present application may include the following beneficial effects: the present application designs a display module and an LED display screen, including a mask, a module bottom shell and a PCBA board, the PCBA board is installed on the module bottom shell, and the mask covers the outer side of the PCBA board; wherein, the display module also includes a corner protection sheet, a first fixing portion is provided on the corner protection sheet, a recessed structure and a second fixing portion are provided on the module bottom shell, at least part of the recessed structure extends to the side of the module bottom shell facing the PCBA board, so that the PCBA board can be directly connected to the corner protection sheet fixed on the recessed structure, and the corner protection sheet can be used to enhance the strength of the module bottom shell at the corners, to prevent the corners of the module bottom shell from being damaged and unusable due to collision, or even causing the module bottom shell to deform.

[0016] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a partial structural schematic diagram of a display module provided in one embodiment of the present application;

[0019] Figure 2 yes Figure 1 A partially exploded schematic diagram of a display module in FIG.

[0020] Figure 3 yes Figure 1 A schematic diagram of the structure of the bottom shell of the module;

[0021] Figure 4 yes Figure 1 Schematic diagram of the structure of the corner protection plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should also be understood that the terms used in this utility model specification are only for describing specific realities. In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0024] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0025] like Figures 1 to 4 As shown, according to the first aspect of the present application, the present application provides a display module, including a mask, a module bottom shell 10 and a PCBA board 20, the PCBA board 20 is installed on the module bottom shell 10, and the mask covers the outer side of the PCBA board 20 to protect the lamp beads on the PCBA board 20.

[0026] In this embodiment, the display module further includes a corner protection sheet 40, on which a first fixing portion is provided, and a recessed structure 11 and a second fixing portion are provided on the module bottom shell 10, at least a portion of the recessed structure 11 extends to the side of the module bottom shell 10 facing the PCBA board 20, and the corner protection sheet 40 is fixed in the recessed structure 11 by the cooperation of the first fixing portion and the second fixing portion, and is used to enhance the strength of the module bottom shell 10, and prevent the corners of the module bottom shell 10 from being damaged or even deformed when a collision occurs, thereby making the module bottom shell unusable. Among them, since at least a portion of the recessed structure 11 extends to the side of the module bottom shell 10 facing the PCBA board 20, the PCBA board 20 can be directly connected to the corner protection sheet 40 fixed on the recessed structure 11.

[0027] It should be noted that the corner protection sheet 40 can be wrapped only at the corners of the module bottom shell 10, or the corner protection sheet 40 can be wrapped around the side of the module bottom shell 10. This application is not limited to this. Its main purpose is to enhance the strength of the module bottom shell 10 at the corners to prevent the corners of the module bottom shell 10 from being damaged in a collision, or even causing the module bottom shell 10 to deform, thereby making the module bottom shell 10 unusable.

[0028] After adopting the above technical scheme, since the corner protection sheet 40 is set at the corners of the module bottom shell 10, the strength of the module bottom shell 10 can be enhanced to prevent the corners of the module bottom shell 10 from being damaged in the event of a collision, or even causing the module bottom shell to deform and become unusable; there is no need to add additional corner protection devices to protect the corners of the display module, which can effectively reduce the production cost of the LED display.

[0029] In an optional embodiment, the second fixing portion includes a locking hole 12 and a connecting piece, and the corner protection sheet 40 is provided with a connecting hole 41. The connecting piece passes through the connecting hole 41 and is connected to the locking hole 12, so as to detachably install the corner protection sheet 40 in the recessed structure 11 to enhance the strength of the module bottom shell 10. The connecting piece can be a screw, and the locking hole 12 is a threaded hole matching the screw. The screw passes through the connecting hole 41 and is threadedly connected to the threaded hole, so that the corner protection sheet 40 can be fixed in the recessed structure 11.

[0030] In an optional embodiment, a positioning groove 13 is further provided on the module bottom shell 10, and a positioning protrusion 42 is provided on the corner protection sheet 40. The positioning groove 42 is formed on the end surface of the recessed structure 11 facing the corner protection sheet 40. The position of the positioning protrusion 42 corresponds to the position of the positioning groove 13, so that the corner protection sheet 40 can be pre-positioned by the positioning protrusion 42 and the positioning groove 13 and then fixed in the recessed structure 11 through a connecting member.

[0031] In an optional embodiment, the locking hole 12 is formed at the bottom of the positioning groove 13 and is coaxially arranged with the positioning groove 13. The positioning protrusion 42 is formed by the corner protection plate 40 being recessed toward the module bottom shell 10. The connecting hole 41 is coaxially arranged with the positioning protrusion 42 to facilitate the processing of the locking hole 12, the positioning groove 13, the connecting hole 41 and the positioning protrusion 42.

[0032] In an optional embodiment, the recessed structure 11 includes a first recessed portion 11a and a second recessed portion 11b, the first recessed portion 11a is formed on one side of the corner of the module bottom shell 10, and the second recessed portion 11b is formed on the other side of the corner of the module bottom shell 10, and the two ends of the corner protection sheet 40 are respectively fixed in the first recessed portion 11a and the second recessed portion 11b.

[0033] In an optional embodiment, the corner protection plate 40 is L-shaped, including a first bending plate 40a and a second bending plate 40b, and the first bending plate 40a and the second bending plate 40b are both provided with connecting holes 41 and positioning protrusions 42, and the positioning protrusions 42 on the first bending plate 40a and the second bending plate 40b are located on the inner side of the corner protection plate 40.

[0034] In an optional embodiment, the length L2 of the first bending piece 40a or the second bending piece 40b is matched with the length L1 of the first recessed portion 11a or the second recessed portion 11b.

[0035] In an optional embodiment, the height D2 of the corner protection sheet 40 is adapted to the height D1 of the first recessed portion 11a and the second recessed portion 11b, and the height of the first recessed portion 11a and the second recessed portion 11b is less than the height of the module bottom shell 10, that is, one side of the corner protection sheet 40 can be directly connected to the back of the PCBA board 20 or the mask, while the other corresponding end of the corner protection sheet 40 is not flush with the back of the module bottom shell 10.

[0036] In an optional embodiment, the thickness of the corner protection sheet 40 is adapted to the depth of the first recessed portion 11a and the second recessed portion 11b, so that the corner protection sheet 40 can be embedded in the first recessed portion 11a and the second recessed portion 11b, thereby forming an integrated structure with the module bottom shell 10.

[0037] In an optional embodiment, the edge and corner protection piece 40 is an edge and corner protection piece made of metal material.

[0038] In an optional embodiment, the color of the corner protection sheet 40 is the same as the color of the module bottom shell 10, or the corner protection sheet 40 is sprayed with a matte coating to prevent the color of the corner protection sheet 40 from affecting the splicing of the module bottom shell 10.

[0039] In an optional embodiment, a lamp bead groove for accommodating lamp beads and two first positioning platforms are provided on the mask, and the two first positioning platforms are arranged on both sides of the lamp bead groove to protect the lamp beads on the PCBA board.

[0040] In an optional embodiment, the first positioning platform extends along the length direction of the mask, and the height of one of two adjacent first positioning platforms is lower than the height of the other.

[0041] In an optional embodiment, the mask includes a first mask and a second mask, the first mask is arranged on the outside of the second mask, and the second mask is arranged on the outside of the PCBA board, so that the LED lamp beads on the PCBA board can be protected by the first mask and the second mask.

[0042] In an optional embodiment, one of the PCBA board 20 and the module bottom shell 10 is provided with a first adsorption component, and the other of the PCBA board 20 and the module bottom shell 10 is provided with a second adsorption component. The first adsorption component and the second adsorption component are adsorbed on each other, so that the PCBA board 20 can fit tightly on the module bottom shell 10 to ensure the splicing effect of the PCBA board 20, thereby ensuring the final display effect of the display screen after splicing multiple PCBA boards 20.

[0043] The first adsorbent and the second adsorbent may be fitted by snap fit; or, the first adsorbent and the second adsorbent may be fitted by magnetic attraction; or, the first adsorbent and the second adsorbent may be fitted by Velcro adhesion; or, the first adsorbent and the second adsorbent may be fixed by glue.

[0044] Exemplarily, one of the first adsorption member and the second adsorption member may be a magnetic adsorption member, and the other of the first adsorption member and the second adsorption member may be a metal adsorption member or a magnetic adsorption member.

[0045] The first adsorption member and the second adsorption member may be permanent magnets or electromagnets, the permanent magnets may be aluminum-nickel-cobalt permanent magnet alloys or iron-chromium-cobalt permanent magnet alloys, and the electromagnets may be selectively powered on and off as needed to control the working state of the locking device. The present application does not limit the specific types and raw materials of the magnetic adsorption members.

[0046] After the PCBA board 20 is mounted on the module bottom shell 10, the opposite magnetic poles of the first adsorption member and the second adsorption member are opposite, so that the PCBA board 20 can be firmly fixed on the module bottom shell 10 under the attraction of the opposite magnetic poles. In this embodiment, the first adsorption member is at least one magnet provided on the PCBA board 20, and at least one magnet mounting groove is provided on the back of the PCBA board 20, and each magnet is correspondingly mounted on the magnet mounting groove, and the second adsorption member is a magnetic iron sheet provided on the module bottom shell 10, and the magnetic iron sheet is installed on the side of the module bottom shell 10 facing the PCBA board 20, so that the magnetic iron sheet can be adsorbed on at least one magnet.

[0047] In addition, the first adsorbent and the second adsorbent can be magnetic parts at the same time, wherein the magnetic pole of the first adsorbent is opposite to the opposite magnetic pole of the second adsorbent, and the opposite magnetic pole here means that the opposite magnetic poles of the first adsorbent and the second adsorbent constitute opposite magnetic poles, so that under the attraction of the opposite magnetic poles, the PCBA board 20 can be fixed on the module bottom shell 10 and locked.

[0048] It should be noted that the first adsorption part can also be a bar magnet, a round magnet or a magnet of other shapes, and the second adsorption part can be other metal parts that can be attracted by magnets; or the first adsorption part can be other metal parts that can be attracted by magnets, and the second adsorption part is a magnet, and this application does not limit this.

[0049] In an optional embodiment, one of the first adsorbent and the second adsorbent may be a snap-on portion, and the other of the first adsorbent and the second adsorbent may be a slot portion, and the slot portion and the snap-on portion are snap-connected so that the PCBA board 20 can be detachably mounted on the module bottom shell 10.

[0050] Exemplarily, the first adsorbent is a snap-fit ​​portion disposed on the side of the PCBA board 20 facing the module bottom shell 10, and the second adsorbent is a slot portion disposed on the side of the module bottom shell 10 facing the PCBA board 20. The position of the snap-fit ​​portion corresponds to the position of the slot portion, so that the PCBA board 20 can be locked together through the connection between the snap-fit ​​portion and the slot portion.

[0051] In addition, the buckle portion can also be set on the module bottom shell 10, and the slot portion can also be set on the PCBA board 20. The position of the slot portion corresponds to the position of the buckle portion, so that the arc-shaped mating surface 12 can be tightly fixed on the module bottom shell 10 by the cooperation between the buckle portion and the slot portion.

[0052] In an optional embodiment, one of the first adsorbent and the second adsorbent may be a Velcro hook surface, and the other of the first adsorbent and the second adsorbent may be a Velcro fleece surface, and the Velcro hook surface is hooked with the Velcro fleece surface so that the PCBA board 20 can be detachably installed on the module bottom shell 10.

[0053] Exemplarily, the Velcro hook surface is fixed to the end surface of the PCBA board 20 facing the module bottom shell 10 by glue, and the Velcro fur surface is pasted to the end surface of the module bottom shell 10 facing the PCBA board 20, so that the PCBA board 20 can be bonded to the Velcro fur surface through the Velcro hook surface.

[0054] like Figures 1 to 4 As shown, according to the second aspect of the present application, the present application provides an LED display screen, including a frame structure and the above-mentioned display module, and the display module is installed on the frame structure.

[0055] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0056] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0057] The disclosure above provides many different embodiments or examples to realize the different structures of the present application. In order to simplify the disclosure of the present application, the parts and settings of specific examples are described above. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the various specific processes and material examples provided by the present application, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0058] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A display module, characterized in that: It includes a mask, a module bottom shell and a PCBA board, wherein the PCBA board is mounted on the module bottom shell, and the mask covers the outer side of the PCBA board; Among them, the display module also includes a corner protection piece, the corner protection piece is provided with a first fixing portion, the module bottom shell is provided with a recessed structure and a second fixing portion, at least part of the recessed structure extends to the side of the module bottom shell facing the PCBA board, and the corner protection piece is fixed in the recessed structure by the cooperation between the first fixing portion and the second fixing portion, so as to enhance the strength of the module bottom shell.

2. The display module according to claim 1, characterized in that: The second fixing portion includes a locking hole and a connecting piece. The corner protection sheet is provided with a connecting hole. The connecting piece passes through the connecting hole and is connected to the locking hole, so as to detachably install the corner protection sheet in the recessed structure.

3. The display module according to claim 2, characterized in that: The module bottom shell is also provided with a positioning groove, and the corner protection sheet is provided with a positioning protrusion. The positioning groove is formed on the end surface of the recessed structure facing the corner protection sheet, and the position of the positioning protrusion corresponds to the position of the positioning groove.

4. The display module according to claim 3, characterized in that: The locking hole is formed at the bottom of the positioning groove and is coaxially arranged with the positioning groove. The positioning protrusion is formed by the corner protection sheet being recessed toward the module bottom shell. The connecting hole is coaxially arranged with the positioning protrusion.

5. The display module according to claim 1, characterized in that: The recessed structure includes a first recessed portion and a second recessed portion, wherein the first recessed portion is formed on one side of the corner of the module bottom shell, and the second recessed portion is formed on the other side of the corner of the module bottom shell, and both ends of the corner protection sheet are respectively fixed in the first recessed portion and the second recessed portion.

6. The display module according to claim 5, characterized in that: The corner protection sheet is in an L-shaped structure, and the height of the corner protection sheet matches the height of the first recessed portion and the second recessed portion, and the height of the first recessed portion and the second recessed portion is smaller than the height of the module bottom shell.

7. The display module according to claim 5, characterized in that: The thickness of the edge protection sheet is adapted to the depth of the first recessed portion and the second recessed portion; and / or, The edge and corner protection sheet is an edge and corner protection sheet made of metal material; and / or, The color of the edge protection sheet is the same as the color of the module bottom shell, or the edge protection sheet is sprayed with a matte coating.

8. The display module according to claim 1, characterized in that: The mask is provided with a lamp bead groove for accommodating lamp beads and two first clamping platforms, and the two first clamping platforms are arranged on both sides of the lamp bead groove to protect the lamp beads on the PCBA board.

9. The display module according to claim 8, characterized in that: The first positioning platform extends along the length direction of the mask, and the height of one of two adjacent first positioning platforms is lower than the height of the other one.

10. An LED display screen, characterized in that: The invention comprises a frame structure and a display module as claimed in any one of claims 1 to 9, wherein the display module is mounted on the frame structure.

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