CN116224653A - Backlight module and display device - Google Patents

Abstract

The application relates to a backlight module and a display device, wherein the backlight module comprises a back plate and a main plate assembly, a matching shell is arranged on the back plate, a positioning piece and a detachment stopping table are arranged on the matching shell, and an opening is formed in the matching shell along a first direction; the main board assembly comprises a main board and a mounting piece, wherein both sides of the mounting piece along the first direction are respectively provided with a buckle and a release stopping piece, the release stopping piece is movably arranged on the mounting piece, the main board assembly further comprises a mounting opening matched with the positioning piece, and both side walls of the mounting opening in the second direction are in butt joint with the positioning piece; in the connection state, the buckle stretches into the matching shell through the opening, one side of the anti-falling table, which is far away from the opening, is abutted with the anti-falling piece, and two sides of the matching shell in the third direction are respectively abutted with the anti-falling piece and the buckle; the first direction, the second direction, and the third direction intersect. This backlight unit facilitates connection can ensure production efficiency, through the stability after the setting assurance mainboard installation of the piece that only takes off, avoids the mainboard to drop.

Description

Backlight module and display device

Technical Field

The application relates to the technical field of display, in particular to a backlight module and a display device.

Background

The backboard of the liquid crystal display device is an important structural component for installing the main board, and the main board is usually fixed on the backboard in a screw locking mode, however, the screw locking is long in use, and the production efficiency is affected. The main board is connected to the backboard in a mode of setting the buckle, but the buckle has no anti-falling structure, so that the connected finished product complete machine has the risk of loosening and falling off of the main board from the backboard due to transportation vibration in the transportation process.

Disclosure of Invention

An object of the present application is to provide a backlight module and a display device, where the backlight module can ensure production efficiency and stability after installation of a motherboard, and avoid the motherboard from falling off.

To this end, in a first aspect, embodiments of the present application provide a backlight module, including

The backboard is provided with a matching shell, the matching shell is provided with a positioning piece and a detachment stopping table, and the matching shell is provided with an opening along a first direction; and

the main board assembly comprises a main board and mounting pieces arranged on the main board, wherein both sides of the mounting pieces along the first direction are respectively provided with a buckle and a release stopping piece, the release stopping pieces are movably arranged on the mounting pieces, the main board assembly further comprises mounting ports matched with the positioning pieces, and both side walls of the mounting ports in the second direction are in butt joint with the positioning pieces;

in a connection state, the buckle extends into the matching shell through the opening, one side of the anti-falling table, which is far away from the opening, is abutted against the anti-falling piece, and two sides of the matching shell in a third direction are respectively abutted against the anti-falling piece and the buckle; the first direction, the second direction, and the third direction intersect.

In one possible implementation, the anti-disengagement member is an elastic member, and the anti-disengagement member includes:

a first slip-off prevention portion having one end connected to the mounting member, the other end of the first slip-off prevention portion being inclined toward the mating shell, and in the connected state, the other end of the first slip-off prevention portion being in contact with an outer wall of the mating shell; and

the second anti-disengaging part is connected with one side, far away from the mounting, of the first anti-disengaging part, the second anti-disengaging part extends along the third direction, and one side, far away from the first anti-disengaging part, of the second anti-disengaging part is used for abutting with the side wall, far away from the opening, of the anti-disengaging table.

In one possible implementation, in the third direction, the height of the second anti-disengagement portion is greater than the height of the anti-disengagement table away from the side wall of the opening.

In one possible implementation, the second anti-disengagement portion is provided with a hand-held portion.

In one possible implementation, the clip includes:

a first clamping part which is bent and connected to the mounting piece, wherein in the connected state, the first clamping part is abutted with the end part of the opening;

the second clamping part is connected to one side, far away from the mounting piece, of the first clamping part and is used for extending into the matching shell; and

and the third clamping part is connected to one side, far away from the first clamping part, of the second clamping part, and is inclined towards one side, far away from the mounting piece.

In one possible implementation manner, the mounting opening extends along the first direction, and the mounting opening is penetratingly arranged on the main board along the third direction, or the mounting opening is penetratingly arranged on the mounting piece along the third direction.

In one possible implementation manner, the main board is provided with a mounting hole site in a penetrating manner along the third direction, and the mounting piece is provided with a pin which is in plug-in fit with the mounting hole site.

In a possible implementation manner, each corner of the mounting piece is provided with the pin, and the main board is provided with a plurality of mounting hole sites which are in one-to-one correspondence with the pins; at least one of the pins has a size different from the size of the remaining pins, the size of the pins being the length of the pins in the first direction and/or the second direction.

In one possible implementation manner, the cross section of the anti-falling table in the direction perpendicular to the second direction is a right triangle, one right-angle side of the right triangle is the surface, where the anti-falling table is attached to the matching shell, and the surface, where the anti-falling table is matched with the second anti-falling part, is the other right-angle side of the right triangle.

In a second aspect, embodiments of the present application provide a display device, including: the backlight module according to the first aspect.

According to the backlight module and the display device provided by the embodiment of the application, in the connection state, the two sides of the matching shell in the first direction are respectively abutted with the buckle and the anti-falling piece on the mounting piece so as to realize limiting in the first direction; positioning pieces on the matching shell are abutted against the mounting openings at two sides of the second direction so as to realize limiting in the second direction; the two sides of the matching shell in the third direction are respectively abutted with the buckle and the anti-falling piece so as to realize the limit in the third direction. Through this kind of connected mode, stretch into the opening with the buckle to with stopping taking off the piece and stopping taking off the platform cooperation and can connect the mainboard on the backplate, the convenient connection can ensure production efficiency, can ensure the stability after the mainboard installation through stopping taking off the cooperation of piece and stopping taking off the platform, avoids the mainboard to drop.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In addition, in the drawings, like parts are designated with like reference numerals and the drawings are not drawn to actual scale.

Fig. 1 shows an exploded schematic view of a backlight module according to an embodiment of the present application;

fig. 2 is a schematic axial view of a mounting member and a mating housing of a backlight module according to an embodiment of the present disclosure;

fig. 3 is an axial schematic view of a mounting member in a backlight module according to an embodiment of the present disclosure;

fig. 4 shows a top view of a backlight module according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram illustrating a connection state of a backlight module according to an embodiment of the present application;

fig. 6 shows a cross-sectional view of a clip located at an opening in a backlight module according to an embodiment of the present disclosure;

fig. 7 shows a cross-sectional view of a backlight module in a connected state according to an embodiment of the present application;

fig. 8 shows a cross-sectional view of a backlight module in a disassembled state according to an embodiment of the present application;

fig. 9 shows a cross-sectional view of a backlight module after disassembly according to an embodiment of the present application;

fig. 10 shows a schematic structural diagram (a) of a backlight module with a mounting opening formed on a motherboard;

fig. 11 shows a schematic structural diagram (two) of a backlight module with a mounting opening formed on a motherboard;

FIG. 12 shows an isometric schematic of FIG. 11;

fig. 13 is a schematic diagram illustrating an overall structure of a backlight module according to an embodiment of the present disclosure;

fig. 14 shows an isometric schematic view of the connection assembly of fig. 13.

Reference numerals illustrate:

1. a mating shell; 11. a positioning piece; 12. a drop-off stopping table; 13. an opening;

2. a mounting member; 21. a mounting port; 22. pins; 23. an operation port;

3. a buckle; 31. a first clamping part; 32. a second clamping part; 33. a third clamping part; 34. connecting and chamfering;

4. a release stop; 41. a first release-stopping portion; 42. a second release stopping portion; 43. a carrying part;

5. a back plate;

6. a main board; 61. installing hole sites; 62. a connection site;

7. a connection assembly; 71. installing a connecting piece; 72. a connecting buckle; 73. a connection opening; 74. and the connecting shell is matched.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.

First embodiment

As shown in fig. 1-4, the embodiment of the application provides a backlight module, which comprises a back plate 5 and a main plate assembly, wherein a matching shell 1 is arranged on the back plate 5, a positioning piece 11 and a detachment prevention table 12 are arranged on the matching shell 1, and an opening 13 is formed in the matching shell 1 along a first direction. The mainboard subassembly includes mainboard 6 and sets up installed part 2 on mainboard 6, and the both sides of installed part 2 along the first direction are provided with buckle 3 and the piece that only takes off 4 respectively, and the piece that only takes off 4 activity sets up on installed part 2, and the mainboard subassembly still includes the installing port 21 with setting element 11 complex, and the both sides wall of installing port 21 in the second direction all with setting element 11 butt.

In the connection state, the buckle 3 stretches into the matching shell 1 through the opening 13, one side of the anti-falling table 12 away from the opening 13 is abutted against the anti-falling piece 4, and two sides of the matching shell 1 in the third direction are respectively abutted against the anti-falling piece 4 and the buckle 3; the first direction, the second direction, and the third direction intersect.

In the connection state, two sides of the matching shell 1 in the first direction are respectively abutted with the buckle 3 and the anti-falling piece 4 on the mounting piece 2 so as to realize limit in the first direction; the two sides of the positioning piece 11 on the matching shell 1 in the second direction are abutted with the mounting opening 21 on the mounting piece 2 so as to realize the limit in the second direction; the two sides of the matching shell 1 in the third direction are respectively abutted with the buckle 3 and the anti-falling piece 4 so as to realize the limit in the third direction. Through this kind of connected mode, realize mounting 2 detachable connection on mating shell 1, can also ensure the compactness and the reliability of being connected between mounting 2 and the mating shell 1, avoid taking place not hard up condition.

The buckle 3 on the mounting piece 2 stretches into the interior of the matching shell 1, and the back plate 5 and the main plate 6 are stably connected through the matching of the anti-falling table 12 and the anti-falling piece 4, so that the back plate 5 and the main plate 6 can be effectively prevented from loosening and the like.

Referring to fig. 2 and 3, in some embodiments, the movable setting of the release preventing member 4 on the mounting member 2 includes that a driving member is disposed on the mounting member 2, and an output end of the driving member is connected with the release preventing member 4 to realize movement of the release preventing member 4 on the mounting member 2, and different driving members may be selected according to a movement track of the release preventing member 4. The anti-slip member 4 comprises a movement in a linear direction on the mounting member 2, in which case the driving member may comprise a cylinder, a hydraulic cylinder, an electric push rod or the like, for example. The anti-slip member 4 is comprised of rotating on the mounting member 2, and the driving member comprises a motor or the like. Under the action of the driving force of the driving piece, the position of the anti-falling piece 4 can not influence the installation in the initial process of the installation; during the final course of the installation, a stable connection of the mounting element 2 to the mating shell 1 is achieved by moving the position of the anti-slip element 4.

In some application scenarios, the space for connecting and matching is smaller, the driving piece is difficult to install in, in some optional embodiments, the anti-falling piece 4 is an elastic piece, and the anti-falling effect of connection is guaranteed by the elastic characteristic of the anti-falling piece to realize the position movement within a certain range. It should be noted that, the elastic member in this embodiment includes a structure similar to a spring, a spring plate, etc. having a large elastic deformation, and also includes a member similar to a metal material having a small elastic deformation, etc.

Referring to fig. 2 and 3, in some embodiments, the anti-disengagement member 4 includes a first anti-disengagement portion 41 and a second anti-disengagement portion 42, one end of the first anti-disengagement portion 41 is connected to the mounting member 2, the other end of the first anti-disengagement portion 41 is inclined toward the mating shell 1, and in the connected state, the other end of the first anti-disengagement portion 41 abuts against the outer wall of the mating shell 1. The second retaining portion 42 is connected to a side of the first retaining portion 41 away from the mounting member 2, the second retaining portion 42 extends in the third direction, and a side of the second retaining portion 42 away from the first retaining portion 41 is configured to abut against a side wall of the retaining table 12 away from the opening 13. With the arrangement of the first and second slip-off preventing portions 41 and 42, the slip-off preventing member 4 can simultaneously limit the side of the mating shell 1 in the first direction and the side of the mating shell 1 in the third direction in the mounted state.

When dismantling, with the piece that only take off 4 along the third direction one side motion of keeping away from the cooperation shell 1 can release simultaneously mounting 2 to cooperation shell 1 in first direction and third direction spacing, still be convenient for technician's operation, improve the work efficiency of installation and dismantlement.

In some embodiments, in the third direction, the height of the second retaining portion 42 is greater than the height of the retaining table 12 away from the side wall of the opening 13, so that in the connected state, at least a portion of the second retaining portion 42 may protrude out of the retaining table 12, so that a technician may effect movement of the retaining member 4 in the third direction by applying a force to the protruding portion of the second retaining portion 42, to facilitate disassembly.

In combination with fig. 8 and 9, optionally, the second retaining portion 42 is provided with a handle portion 43, and the handle portion 43 is configured to provide an action position for a technician to apply an action force, so as to improve the disassembly efficiency. Specifically, the hand-holding portion 43 is disposed at an end of the second anti-disengagement portion 42 away from the first anti-disengagement portion 41, and the specific structure of the hand-holding portion 43 is not limited in this embodiment. Illustratively, a middle position of the carrying portion 43 is connected to the second anti-disengagement portion 42; or one end of the hand-held portion 43 in the first direction is connected to the second slip-off prevention portion 42, in which case the hand-held portion 43 may be extended toward the side closer to the buckle 3, or the hand-held portion 43 may be provided toward the side farther from the buckle 3.

Referring to fig. 2 and 6, in some embodiments, the cross section of the anti-disengaging table 12 perpendicular to the second direction is a right triangle, the surface of the anti-disengaging table 12, which is attached to the mating shell 1, is one right-angle side of the right triangle, and the surface of the anti-disengaging table 12, which is mated to the second anti-disengaging portion 42, is the other right-angle side of the right triangle; thereby guaranteeing stable connection between the anti-falling table 12 and the mounting piece 2, and maximally guaranteeing the attaching area of the anti-falling table 12 and the second anti-falling part 42, and guaranteeing the limiting effect. In addition, the right triangle inclined plane of the anti-falling table 12 can also play a role in guiding the anti-falling piece 4 during connection, and under the elastic acting force of the anti-falling piece 4, the automatic matching of the anti-falling table 12 and the anti-falling piece 4 during connection can be realized, so as to achieve the anti-falling effect after connection.

Optionally, the back plate 5 is integrally stamped and formed into the matching shell 1, the opening 13 of the matching shell 1 is used for being buckled with the buckle 3 on the main plate 6, and the anti-falling table 12 on the matching shell 1 is used for being matched with the anti-falling piece 4 on the main plate 6 to lock the buckle 3.

Referring to fig. 2 and 4, in some alternative embodiments, the mounting member 2 is provided with an operation opening 23 in a penetrating manner in a third direction, the operation opening 23 is arranged to extend along a first direction, the operation opening 23 is arranged at a middle position of the mounting member 2, the first anti-disengaging portion 41 of the anti-disengaging member 4 is connected to a wall surface of the operation opening 23, and the whole anti-disengaging member 4 is located in the operation opening 23, so that compactness and compactness of the whole structure of the device are achieved, and the whole size of the mounting member 2 is reduced.

Referring to fig. 11 and 12, similarly, an end of the first retaining portion 41 of the retaining member 4 remote from the second retaining portion 42 may also be connected to an end of the mounting member 2 in the first direction. At this time, the first detachment prevention portion 41 includes an inclined portion connected to the second detachment prevention portion 42, a planar portion located above the mounting member 2, and a connection portion connected to an end of the mounting member 2; this way of connection ensures the elastic effect of the anti-slip element 4.

In combination with fig. 1, alternatively, the length of the operation opening 23 in the first direction is longer than the length of the slip-off preventing member 4 in the first direction. The anti-falling piece 4 can rotate around the connecting position of the anti-falling piece 4 and the mounting piece 2 as the center of a circle due to the elastic characteristic of the anti-falling piece 4, and the anti-falling piece 4 is convenient to rotate and operate by setting the size of the operation opening 23 longer, so that the connection and the disassembly between the mounting piece 2 and the matching shell 1 are convenient.

Referring to fig. 4-6, in some embodiments, the mounting opening 21 extends along the first direction, and the mounting opening 21 is disposed through the main board 6 along the third direction, or the mounting opening 21 is disposed through the mounting member 2 along the third direction. Through setting up the structure setting of installing port 21 as the slotted hole that extends for in the initial stage of installation, just can be earlier with setting element 11 embedding installation port 21 in order to realize that the mainboard subassembly is spacing in the second direction for cooperation shell 1, improve installation location efficiency. And because during the installation, stretch into buckle 3 through opening 13 in order to realize the connection of buckle 3 in cooperation shell 1, because installation mouth 21 extends along the first direction setting, consequently the in-process setting element 11 that extends at buckle 3 can remove in the installation mouth 21 in step, avoids taking place the condition that the motion interfered.

Referring to fig. 2 and 4, specifically, when the mounting port 21 is opened on the mounting member 2, the mounting port 21 and the operation port 23 are disposed at intervals in a first direction, or the mounting port 21 and the operation port 23 are disposed at intervals in a second direction. Optionally, the mounting opening 21 and the operating opening 23 are arranged at intervals in the first direction, and under the condition that the size of the mounting piece 2 is fixed, the opening length of the operating opening 23 in the second direction is guaranteed to the greatest extent, so that the anti-falling piece 4 can be operated conveniently.

Alternatively, an end of the mounting port 21 facing the operation port 23 communicates with the operation port 23, thereby providing a larger receiving position for the positioning member 11, and although the positioning member 11 is a convex member provided on the outside of the mating housing 1, the influence and interference thereof during the connection can be reduced. In addition, by this arrangement, the positioning member 11 occupies a small area of the main board 6 in the mounting member 2, so that the size of the main board 6 can be reduced, and the cost can be saved.

Referring to fig. 10 and 11, similarly, when the mounting opening 21 is opened on the main board 6, the mounting opening 21 and the mounting 2 are spaced apart in the first direction, or the mounting opening 21 and the mounting 2 are spaced apart in the second direction.

Referring to fig. 2, 3 and 12, in some embodiments, the buckle 3 includes a first clamping portion 31, a second clamping portion 32 and a third clamping portion 33, where the first clamping portion 31 is bent and connected to the mounting member 2, and includes that the first clamping portion 31 is connected to one end of the mounting member 2 in the first direction; further, the first engaging portion 31 is connected to the wall surface of the operation port 23. In the connected state, the first engaging portion 31 abuts against an end portion of the opening 13. The second clamping portion 32 is connected to a side of the first clamping portion 31 away from the mounting member 2, and the second clamping portion 32 is used for extending into the mating shell 1. The third clamping portion 33 is connected to a side of the second clamping portion 32 away from the first clamping portion 31, and the third clamping portion 33 is inclined toward a side away from the mounting member 2. The buckle 3 is convenient to extend into the opening 13 through the arrangement of the third clamping part 33, so that quick connection is realized, and the connection efficiency is improved.

Referring to fig. 3-7, the first clamping portion 31 is configured to be connected to the mounting member 2, and a side of the first clamping portion 31 facing the opening 13 may abut against an end of the opening 13 in a mounting state in a bending manner, so as to implement limiting in the first direction. The second and third clamping portions 32 and 33 are configured to extend into the mating shell 1 to abut against an inner wall surface of the mating shell 1 in the third direction, so as to achieve a limit in the third direction.

Referring to fig. 2, specifically, the opening 13 of the mating shell 1 is an opening 13 formed by a certain depth of the end of the mating shell 1 in the first direction along the third direction, so the opening 13 is disposed in an L-shaped structure based on a cross section perpendicular to the second direction. The remaining portion of the fitting housing 1 where the opening 13 is opened in the third direction can enhance the connection strength between the fitting housing 1 and the positioning member 11.

Referring to fig. 7, optionally, the first clamping portion 31 is configured to extend along a third direction, so that in a connection state, one side of the first clamping portion 31 facing the opening 13 may be completely attached to an end surface of the opening 13, which ensures a connection effect, and avoids loosening or shaking after connection.

Alternatively, the second clamping portion 32 is configured to extend along the first direction, and an end of the second clamping portion 32 away from the first clamping portion 31 is inclined towards a side close to the mounting member 2, the third clamping portion 33 is connected to an end of the second clamping portion 32 away from the first clamping portion 31, and an end of the third clamping portion 33 away from the second clamping portion 32 is inclined towards a side away from the mounting member 2. The third clamping part 33 is conveniently extended into the inner part of the matching shell 1 through the opening 13 by the integral bending shape of the second clamping part 32 and the third clamping part 33.

In some embodiments, the buckle 3 and the anti-release member 4 are integrally formed on the mounting member 2, so as to ensure the overall connection strength of the mounting member 2.

Referring to fig. 3 and 4, optionally, a connection chamfer 34 is concavely provided at the connection position of the buckle 3 and the mounting member 2, and the connection chamfer 34 is used to improve the bending strength of the buckle 3 during connection and disassembly, so as to improve the service life of the mounting member 2.

Referring to fig. 1 and 2, in some embodiments, the main board 6 is provided with a mounting hole 61 along the third direction, and the mounting member 2 is provided with pins 22 that are in plug-fit with the mounting hole 61. The effect of connecting the main board 6 to the back board 5 can be achieved by plugging the pins 22 on the mounting holes 61 to connect the mounting member 2 with the main board 6 and then connecting the mounting member 2 with the mating shell 1.

Optionally, in order to ensure connection reliability, the pins 22 are fixed in the mounting holes 61, alternatively, the pins 22 may be fixed in the mounting holes 61 by welding or bonding, so as to ensure connection stability of the mounting member 2 and the motherboard 6.

Optionally, each corner of the mounting member 2 is provided with the pins 22, and the main board 6 is provided with a plurality of mounting holes 61 corresponding to the pins 22 one by one; at least one of the pins 22 has a size different from the size of the remaining pins 22, the size of the pins 22 being the length of the pins 22 in the first direction and/or the second direction. By setting the dimensions of the pins 22 to be different, the mounting member 2 is accurately mounted on the motherboard 6, and reverse mounting after mounting is avoided.

In some embodiments, the cross-section of the pin 22 perpendicular to the second direction may be rectangular or other polygonal shape including a stepped shape, a convex shape, a triangular shape, or the like.

In some embodiments, the main board 6 is provided with a connection position 62 along the third direction, the connection position 62 is adapted to the mounting member 2, and after the pins 22 are inserted into the mounting holes 61, the mounting member 2 is located in the connection position 62, so that the overall structure is more compact, and the mounting member 2 is prevented from interfering with the mutual cooperation between the main board 6 and other components due to the protruding main board 6.

Specifically, the mounting member 2 and the main board 6 are subjected to wave soldering or reflow soldering, and the soldering tin is cooled and solidified to fix the pins 22 in the mounting holes 61, so that the main board 6 can be quickly mounted on the back board 5 through the buckles 3, the production efficiency is improved, and the materials at the production end are reduced.

Referring to fig. 2 to 7, when connection is required, the main board 6 is moved in the forward direction (i.e., right side in the drawing) to make the third clamping portion 33 of the buckle 3 extend into the mating shell 1 through the opening 13, and at the same time, the positioning member 11 is embedded into the mounting opening 21, the main board 6 continues to move until the second clamping portion 32 of the buckle 3 completely extends into the mating shell 1, in this process, the connection part of the first retaining portion 41 and the second retaining portion 42 of the retaining member 4 abuts against the upper surface of the mating shell 1, and gradually moves along with movement of the main board 6 to abut against the oblique side of the retaining table 12 until the connection part of the first retaining portion 41 and the second retaining portion 42 completely extends into the mating shell 1, and the second retaining portion 42 abuts against the right angle edge of the retaining table 12, so that the mutual cooperation of the retaining member 4 and the retaining table 12 is realized, so as to ensure that the reliability of the connection of the main board 6 on the back board 5 is avoided, and the situation that the main board 6 falls off is avoided.

Referring to fig. 3, 8 and 9, when the detachment is required, the handle 43 of the detachment prevention member 4 is pulled upward, so that the heights of the first detachment prevention portion 41 and the second detachment prevention portion 42 are higher than the height of the detachment prevention base 12, and then the detachment prevention member 4 is pulled to move in the negative direction (i.e., left side in the drawing) of the first direction until the buckle 3 is withdrawn from the mating shell 1 through the opening 13, thereby detaching the main board 6 from the back board 5. Meanwhile, the action force is not required to be applied to the main board 6 in the process of installation and disassembly, and the situation that the main board 6 is damaged can be avoided.

To sum up, in this embodiment, the main board 6 is fixed by the buckle 3, and is locked on the back board 5, so that compared with the mode of screw fixation adopted in the prior art, the production assembly efficiency can be improved by adopting the buckle 3, and the materials at the production end can be reduced. By arranging the anti-falling piece 4 and the anti-falling table 12, the situation that the main board 6 falls off can be effectively avoided. Meanwhile, the positioning piece 11 and the anti-falling table 12 on the matching shell 1 are compact in structure, so that the overall size of the matching shell 1 is smaller, the production yield of the backboard 5 is further guaranteed, and meanwhile, the problem that the matching shell 1 interferes with the pins 22 is avoided.

Referring to fig. 13 and 14, in some embodiments, the main board 6 is disposed in a rectangular parallelepiped structure, two mounting members 2 are disposed on the main board 6, and correspondingly, two mating shells 1 are disposed on the back board 5, and the two mating shells 1 respectively correspond to the two mounting members 2 for connection. Alternatively, the two mounting members 2 are respectively disposed at diagonal positions of the main board 6, so as to ensure stability of connection of the main board 6.

In order to further guarantee the connection stability of the main board 6, the cuboid structure of the main board 6 is provided with four corners, the four corners can be divided into two groups of diagonal structures, two corners in one group of diagonal structures are provided with mounting pieces 2, and the other group of diagonal structures of the main board 6 are connected with the back board 5 through connecting components 7. The connection assembly 7 comprises a matched connection shell 74 arranged on the back plate 5, the matched connection shell 74 is provided with a connection opening 73, and the opening direction of the connection opening 73 is the same as the opening direction of the opening 13. The connecting assembly 7 further comprises a mounting connecting piece 71 arranged on the main board 6, and a connecting buckle 72 which is used for extending into the connecting opening 73 is arranged on the mounting connecting piece 71; the connection between the main board 6 and the back board 5 is achieved by extending the connection clasp 72 into the mating connection housing 74. The opening direction of the connecting opening 73 is the same as the opening direction of the opening 13, so that when the buckle 3 moves into the opening 13, the connecting buckle 72 also synchronously moves into the connecting opening 73, thereby realizing the matched connection and improving the installation efficiency.

Specifically, the mounting connection piece 71 is provided with connection pins on two sides of the second direction, the connection pins extend along the third direction, two connection holes are formed in the motherboard 6 in a penetrating manner along the third direction, the two connection holes are used for being respectively in plug-in fit with the two connection pins, the connection pins and the connection holes can be subjected to wave soldering or reflow soldering, and soldering tin is cooled and solidified to fix the mounting connection piece 71 on the motherboard 6 in a soldering manner.

Second embodiment

The embodiment of the application also provides a display device, which comprises the backlight module set in the first embodiment.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A backlight module, comprising:

the backboard (5) is provided with a matching shell (1), the matching shell (1) is provided with a positioning piece (11) and a release stopping table (12), and the matching shell (1) is provided with an opening (13) along a first direction; and

the main board assembly comprises a main board (6) and mounting pieces (2) arranged on the main board (6), wherein buckles (3) and anti-falling pieces (4) are respectively arranged on two sides of the mounting pieces (2) along the first direction, the anti-falling pieces (4) are movably arranged on the mounting pieces (2), the main board assembly further comprises mounting ports (21) matched with the positioning pieces (11), and two side walls of the mounting ports (21) in the second direction are in butt joint with the positioning pieces (11);

in a connection state, the buckle (3) stretches into the matching shell (1) through the opening (13), one side of the anti-falling table (12) away from the opening (13) is abutted against the anti-falling piece (4), and two sides of the matching shell (1) in a third direction are respectively abutted against the anti-falling piece (4) and the buckle (3); the first direction, the second direction, and the third direction intersect.

2. A backlight module according to claim 1, wherein the anti-release member (4) is an elastic member, and the anti-release member (4) comprises:

a first slip-off prevention portion (41) having one end connected to the attachment (2), the other end of the first slip-off prevention portion (41) being inclined toward the mating shell (1), and in the connected state, the other end of the first slip-off prevention portion (41) being in contact with an outer wall of the mating shell (1); and

and a second anti-falling part (42) connected with one side of the first anti-falling part (41) away from the mounting piece (2), wherein the second anti-falling part (42) extends along the third direction, and one side of the second anti-falling part (42) away from the first anti-falling part (41) is used for abutting with the side wall of the anti-falling table (12) away from the opening (13).

3. A backlight module according to claim 2, wherein in the third direction the height of the second anti-slip portion (42) is greater than the height of the side wall of the anti-slip table (12) remote from the opening (13).

4. A backlight module according to any one of claims 2 or 3, wherein the second anti-falling portion (42) is provided with a handle portion (43).

5. A backlight module according to claim 1, wherein the clasp (3) comprises:

a first clamping part (31) which is connected to the mounting piece (2) in a bending way, and in the connected state, the first clamping part (31) is abutted with the end part of the opening (13);

a second clamping part (32) connected to one side of the first clamping part (31) away from the mounting piece (2), wherein the second clamping part (32) is used for extending into the matching shell (1); and

and a third clamping part (33) connected to one side of the second clamping part (32) away from the first clamping part (31), wherein the third clamping part (33) inclines towards one side away from the mounting piece (2).

6. A backlight module according to claim 1, wherein the mounting opening (21) extends along the first direction, the mounting opening (21) is arranged on the main board (6) in a penetrating manner along the third direction, or the mounting opening (21) is arranged on the mounting member (2) in a penetrating manner along the third direction.

7. A backlight module according to claim 1, wherein the main board (6) is provided with mounting holes (61) penetrating along the third direction, and the mounting member (2) is provided with pins (22) in plug-in fit with the mounting holes (61).

8. The backlight module according to claim 7, wherein each corner of the mounting member (2) is provided with the pins (22), and the main board (6) is provided with a plurality of mounting holes (61) which are in one-to-one correspondence with the pins (22); at least one of the pins (22) has a size different from the size of the remaining pins (22), the size of the pins (22) being the length of the pins (22) in the first direction and/or the second direction.

9. A backlight module according to claim 1, wherein the cross section of the anti-falling table (12) in the direction perpendicular to the second direction is a right triangle, a face of the anti-falling table (12) attached to the mating housing (1) is one right-angle side of the right triangle, and a face of the anti-falling table (12) mated with the second anti-falling portion (42) is the other right-angle side of the right triangle.

10. A display device, comprising: a backlight module according to any one of claims 1-9.

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