CN116123471A - Backlight module and electronic equipment - Google Patents

Abstract

The application provides a backlight module and electronic equipment. The backlight module comprises a back plate assembly, wherein the back plate assembly comprises a back plate and a plurality of groups of first installation assemblies, the plurality of groups of first installation assemblies are arranged on the back plate, and the first installation assemblies comprise first positioning pieces and first fixing pieces; the backlight module still includes a plurality of lamp plate subassemblies, and a lamp plate subassembly corresponds a set of first installation component setting, and the lamp plate subassembly includes: a lamp panel; the light-emitting elements are arranged on the surface of the lamp panel, which is away from the back plate; the second installation component sets up in the surface of lamp plate face backplate, and the second installation component includes second setting element and second mounting, and the second setting element is used for being connected with first setting element cooperation so that the second mounting aligns with first mounting, and the second mounting is used for being connected with first mounting cooperation in order to be fixed in the lamp plate on the backplate. The backlight module provided by the application has no height difference among a plurality of lamp panels and is high in assembly efficiency.

Description

Backlight module and electronic equipment

technical field

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

Background technique

With the development of display technology, the demand for large-size display screens is increasing. Large-size display screens can meet the viewing needs of users, but require a high number of light-emitting elements. Mini Light-Emitting Diode (mini LED) has the advantages of wide color gamut, high brightness, high contrast, and bright colors, so it can be applied to large-size displays. However, limited by the current technology, it is difficult to directly manufacture large-sized mini LED light panels.

Usually, smaller light panels are used for splicing to obtain the desired large-size target light panels, thereby obtaining a large-size display. However, in the process of splicing, it is easy to appear that the splicing of the light panels is not firm and the height is not equal, thus affecting the actual display effect.

Contents of the invention

In a first aspect, the present application provides a backlight module, including a backplane assembly, the backplane assembly includes a backplane and multiple sets of first installation components, and the multiple sets of first installation components are arranged on the backplane , the first installation assembly includes a first positioning member and a first fixing member; the backlight module further includes a plurality of lamp panel assemblies, and one lamp panel assembly is set corresponding to a group of the first installation assemblies, so The light board components include:

Light board;

A plurality of light-emitting elements, the plurality of light-emitting elements are arranged on the surface of the lamp panel away from the back panel;

The second installation component, the second installation component is arranged on the surface of the light board facing the back panel, the second installation component includes a second positioning part and a second fixing part, and the second positioning part is used for Fittingly connected with the first positioning part so that the second fixing part is aligned with the first fixing part, and the second fixing part is used to cooperate with the first fixing part to fix the light board fixed on the backboard.

Wherein, a part of the first fixing part is arranged on the side of the back panel away from the light board, and the other part of the first fixing part penetrates the back panel and cooperates with the second fixing part to be detachable connect.

Wherein, a group of the first mounting components includes a plurality of first positioning parts arranged at intervals, a group of the second mounting components includes a plurality of second positioning parts arranged at intervals, and one of the second positioning parts and one The first positioning member is mated and connected;

Alternatively, a group of the first mounting components includes a plurality of first fixing parts arranged at intervals, a group of the second mounting components includes a plurality of second fixing parts arranged at intervals, and one of the second fixing parts and one The first fixing part is matched and connected.

Wherein, when a group of the first installation components includes a plurality of first positioning members arranged at intervals and the number of the first positioning members is greater than or equal to 3, the plurality of first positioning members are arranged in a non-linear distribution;

When a group of the first mounting components includes a plurality of first fixing elements arranged at intervals and the number of the first fixing elements is greater than or equal to 3, the plurality of first fixing elements are arranged in a non-linear distribution.

Wherein, the second fixing member includes:

a connecting part, the connecting part is used to cooperate with the first fixing part to fix the lamp board on the back board; and

A flexible part, one end of the flexible part is connected to the connecting part, the other end of the flexible part is connected to the lamp panel, and in the direction in which the plurality of lamp panel assemblies are arranged, the flexible part can deformation.

Wherein, the second positioning member includes:

fastening part;

a rotating part, one end of the rotating part is connected to the fastening part, and the rotating part can rotate relative to the fastening part; and

A positioning part, the positioning part is arranged on the rotating part, and the positioning part can rotate with the rotation of the rotating part, and the positioning part is used to cooperate with the first positioning part so that the The second fixture is aligned with the first fixture.

Wherein, the positioning part is slidingly connected with the rotating part, and in the direction where one end of the rotating part connected to the fastening part points to the opposite end of the rotating part, the positioning part can be relative to the rotating part. Rotary motion.

Wherein, the second positioning member is magnetically connected to the first positioning member.

Wherein, the first positioning member is arranged on the surface of the back panel away from the lamp panel.

The backlight module provided by the present application cooperates and connects multiple sets of the second mounting components with multiple sets of the first mounting components, so that multiple lamp panels are spliced and installed on the back panel, so that multiple The splicing of the lamp panels is firm, and there is no height difference between adjacent lamp panels, so that a plurality of the lamp panels are spliced seamlessly, thereby improving the display effect. In addition, the second positioning part and the first positioning part can preliminarily position the lamp board on the backplane through a mating connection, so that the second fixing part can quickly align with the first fixing part. The second fixing part is mated with the first fixing part to fix the lamp board on the back board, so that the efficiency of splicing and installing a plurality of the lamp boards on the back board is high. , and is conducive to automatic splicing. Therefore, there is no height difference among the plurality of lamp panels in the backlight module provided by the present application, and the assembly efficiency is high.

In a second aspect, the present application further provides an electronic device, which includes the backlight module as described in the first aspect.

The electronic device provided by the present application realizes seamless splicing because there is no height difference between multiple lamp panels in the backlight module, thereby improving the display effect.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings that need to be used in the implementation manner. Obviously, the drawings in the following description are some implementation manners of the application, which are common to those skilled in the art. As far as the skilled person is concerned, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

FIG. 1 is a schematic diagram of the laminated structure of the backlight module provided in the first embodiment of the present application.

FIG. 2 is a schematic structural diagram of the lamp panel assembly in FIG. 1 .

FIG. 3 is a schematic structural diagram of the backplane in FIG. 1 .

FIG. 4 is a schematic diagram of the lamp panel assembly in FIG. 2 from another perspective.

FIG. 5 is a schematic bottom view of the backboard in FIG. 3 .

FIG. 6 is a schematic structural diagram of the first fixing member in FIG. 3 .

FIG. 7 is a schematic diagram of the laminated structure of the backlight module provided in the second embodiment of the present application.

FIG. 8 is a schematic diagram of the lamp panel assembly in FIG. 7 from another perspective.

FIG. 9 is a schematic bottom view of the backboard in FIG. 7 .

FIG. 10 is a schematic diagram of the laminated structure of the backlight module provided in the third embodiment of the present application.

FIG. 11 is a schematic structural diagram of the lamp panel assembly in FIG. 10 .

FIG. 12 is a schematic diagram of the laminated structure of the backlight module provided in the fourth embodiment of the present application.

FIG. 13 is a schematic structural diagram of the lamp panel assembly in FIG. 12 .

FIG. 14 is a schematic diagram of the position transformation track of the second positioning member in FIG. 13 .

FIG. 15 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.

Reference numerals: backlight module 1; back panel assembly 10; back panel 11; first installation assembly 12; first positioning member 121; Two installation components 23 ; second positioning part 231 ; fastening part 2311 ; rotating part 2312 ; positioning part 2313 ; second fixing part 232 ; connecting part 2321 ;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

The terms "first", "second" and the like in the description and claims of the present application and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or devices.

Reference herein to "an embodiment" or "implementation" means that a particular feature, structure or characteristic described in connection with the embodiment or implementation may be included in at least one embodiment of the present application. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

The present application provides a backlight module 1 . Please refer to FIG. 1, FIG. 2 and FIG. 3 together. FIG. 1 is a schematic diagram of the laminated structure of the backlight module provided in the first embodiment of the present application; FIG. 2 is a schematic structural diagram of the light panel assembly in FIG. 1; FIG. Schematic diagram of the midplane structure. In this embodiment, the backlight module 1 includes a backplane 10 . The backplane 10 includes a backplane 11 and a plurality of first installation components 12 . The multiple sets of first installation components 12 are disposed on the backboard 11 . The first installation component 12 includes a first positioning component 121 and a first fixing component 122 . The backlight module 1 further includes a plurality of lamp panel assemblies 20 , and one lamp panel assembly 20 is provided corresponding to a group of the first installation assemblies 12 . The lamp panel assembly 20 includes a lamp panel 21 , a plurality of light emitting elements 22 and a second installation assembly 23 . The plurality of light emitting elements 22 are disposed on a surface of the lamp board 21 away from the back board 11 . The second installation component 23 is disposed on a surface of the lamp panel 21 facing the back panel 11 . The second installation component 23 includes a second positioning component 231 and a second fixing component 232 . The second positioning part 231 is used to cooperate with the first positioning part 121 so that the second fixing part 232 is aligned with the first fixing part 122, and the second fixing part 232 is used to align with the first fixing part 122. The first fixing member 122 is mated and connected to fix the lamp panel 21 on the back panel 11 .

In this embodiment, the backlight module 1 is applied to large-sized electronic devices that require splicing of the light board 21 , such as large-sized household TVs, large wall-mounted display screens, and the like.

It should be noted that, in FIG. 1 , the backlight module 1 includes two lamp panels 21 for illustration. It can be understood that the number of lamp panels 21 in FIG. Quantity is limited. In the embodiment of the present application, the number of the lamp panels 21 can be arbitrary, and it is specifically set according to actual needs.

In this embodiment, the light emitting element 22 may be, but not limited to, a mini Light-Emitting Diode (mini LED), or a micro Light-Emitting Diode (microLED), or an LED. In the embodiment of the present application, the light emitting element 22 is a mini LED for schematic illustration.

In this embodiment, a plurality of lamp panels 21 are mated and connected with multiple sets of first installation assemblies 12 through multiple sets of second mounting components 23 to be fixedly installed on the back panel 11, so that the multiple lamp panels 21 are spliced on the on the backboard 11. Due to the mating connection between the second installation assembly 23 and the first installation assembly 12, the splicing of the plurality of lamp panels 21 on the back panel 11 is relatively firm, and the gap between adjacent lamp panels 21 can be avoided. The problem of splicing seams caused by unevenness can realize that there is no height difference between adjacent light panels 21 , and a seamless splicing effect can be obtained. Wherein, the height difference between the adjacent lamp panels 21 refers to the height difference in the stacking direction of the lamp panels 21 and the back panel 11 .

Furthermore, in the process of splicing the plurality of lamp panels 21 on the back panel 11, the second positioning member 231 in the second installation assembly 23 and the first positioning member 231 in the first installation assembly 12 The positioning part 121 can first be mated and connected to realize the preliminary positioning of the lamp panel 21 on the back panel 11, so that the second fixing part 232 in the second mounting assembly 23 is compatible with the first mounting assembly 12 The first fixing part 122 in the center is quickly aligned, and then the second fixing part 232 is connected with the first fixing part 122 to fix the lamp board 21 on the back panel 11 . In this embodiment, the lamp panels 21 are installed on the back panel 11 by means of positioning and fixing, so that the splicing of the plurality of lamp panels 21 on the back panel 11 is highly efficient and easy to automate.

Optionally, the back plate 11 includes a bottom plate and peripheral side walls. The peripheral sidewall is bent and connected to the peripheral edge of the bottom plate. The bottom plate is stacked with the lamp panel 21 , and the peripheral side wall is arranged on the outer peripheral side of the lamp panel 21 .

Optionally, the second positioning member 231 and the first positioning member 121 can be positioned, but not limited to, by means of magnetic attraction positioning, or hole positioning, or marking positioning, so that the light board 21 is positioned on the back panel. Preliminary positioning on 11.

Optionally, the second fixing member 232 and the first fixing member 122 can be connected, but not limited to, by means of screw and nut connection, snap connection, or adhesive bonding to realize the fixing of the lamp board 21 on the back surface. plate 11.

To sum up, the backlight module 1 provided in the present application is mated and connected with multiple sets of the first mounting components 12 through multiple sets of the second mounting components 23, so that multiple lamp panels 21 are spliced and installed on the on the back plate 11, so that the multiple lamp panels 21 are spliced firmly, and there is no height difference between adjacent lamp panels 21, so that the multiple lamp panels 21 are seamlessly spliced, thereby improving the display effect. In addition, the second positioning part 231 and the first positioning part 121 can preliminarily position the lamp panel 21 on the back panel 11 through a mating connection, so that the second fixing part 232 and the first positioning part A fixing part 122 is quickly aligned, and the second fixing part 232 is mated with the first fixing part 122 to fix the lamp panel 21 on the back panel 11, so that a plurality of the lamp panels 21 The efficiency of splicing and installing on the backboard 11 is high, and it is beneficial to automatic splicing. Therefore, there is no height difference between the plurality of lamp panels 21 in the backlight module 1 provided by the present application, and the assembly efficiency is high.

Please refer to Figure 4, Figure 5 and Figure 6, Figure 4 is a schematic diagram of the lamp panel assembly in Figure 2 from another perspective; Figure 5 is a schematic bottom view of the back panel in Figure 3; Figure 6 is a schematic diagram of the first fixing member in Figure 3 Schematic. In this embodiment, part of the first fixing member 122 is disposed on the side of the back panel 11 away from the lamp panel 21, and the other part of the first fixing member 122 penetrates the back panel 11 and the lamp panel 21. The second fixing member 232 is matched with a detachable connection.

In this embodiment, it is illustrated that the second fixing member 232 and the first fixing member 122 are connected by nuts and screws. Wherein, the first fixing member 122 is a screw, and the second fixing member 232 is a nut. The second fixing member 232 is fixed on a surface of the lamp panel 21 facing the back panel 11 . The back panel 11 has a plurality of locking holes, and each of the locking holes corresponds to a second fixing member 232 of the light panel assembly 20 . The first fixing member 122 penetrates through the backboard 11 from the side of the backboard 11 away from the light board 21 through the locking hole, so that the first fixing member 122 is connected to the second fixing member. Part 232 is detachably connected. Therefore, the lamp panel 21 can be fixed to the back panel by tightening the first fixing member 122 from the side of the back panel 11 away from the lamp panel 21 (that is, the outside of the back panel 11 ). 11 , or by unscrewing the first fixing member 122 to disassemble the lamp panel 21 from the back panel 11 , so that the assembly and disassembly of the lamp panel 21 is highly efficient and convenient.

Please refer to FIG. 1 and FIG. 7 . FIG. 7 is a schematic diagram of a stacked structure of a backlight module provided in a second embodiment of the present application. In this embodiment, a group of the first mounting components 12 includes a plurality of first positioning members 121 arranged at intervals, a group of the second mounting members includes a plurality of second positioning members 231 arranged at intervals, and one of the The second positioning member 231 is mated with one of the first positioning members 121 . Alternatively, a group of the first installation components 12 includes a plurality of first fixing members 122 arranged at intervals, a group of the second installation assemblies 23 includes a plurality of second fixing members 232 arranged at intervals, and one of the second The fixing part 232 is matedly connected with one of the first fixing parts 122 .

In the first embodiment (please refer to FIG. 1 ), a group of the first installation components 12 includes a plurality of first positioning members 121 arranged at intervals, and a corresponding group of the second installation assemblies 23 includes a plurality of intervals. A second positioning member 231, so that the installation position of the lamp panel 21 on the back panel 11 is positioned more accurately and stably, thereby improving the splicing of a plurality of the lamp panels 21 on the back panel 11. stability.

In the second embodiment (please refer to FIG. 7 ), a group of the first mounting components 12 includes a plurality of first fixing members 122 arranged at intervals, and a corresponding group of the second mounting assemblies 23 includes a plurality of fixing members 122 arranged at intervals. A second fixing member 232 is provided, so that the lamp panel 21 has multiple connections with the back panel 11, thereby improving the stability of the fixed connection between the lamp panel 21 and the back panel 11.

In other embodiments, a group of the first installation components 12 includes a plurality of first positioning members 121 arranged at intervals, a group of the second installation members includes a plurality of second positioning members 231 arranged at intervals, and one of the The second positioning member 231 is mated with one of the first positioning members 121 . At the same time, a group of the first installation components 12 includes a plurality of first fixing members 122 arranged at intervals, a group of the second installation assemblies 23 includes a plurality of second fixing members 232 arranged at intervals, and one of the second The fixing part 232 is matedly connected with one of the first fixing parts 122 .

Please refer to FIG. 4 , FIG. 5 , FIG. 8 and FIG. 9 together. FIG. 8 is a schematic view of the lamp panel assembly in FIG. 7 from another perspective; FIG. 9 is a schematic bottom view of the back panel in FIG. 7 . In this embodiment, when a group of the first installation components 12 includes a plurality of first positioning pieces 121 arranged at intervals and the number of the first positioning pieces 121 is greater than or equal to 3, the plurality of first positioning pieces The non-linear distribution of the pieces 121 is set. When a group of the first mounting components 12 includes a plurality of first fixing members 122 arranged at intervals and the number of the first fixing members 122 is greater than or equal to 3, the plurality of first fixing members 122 are arranged in a non-linear distribution .

In the first embodiment (please refer to FIG. 4 and FIG. 5), when the number of the first positioning members 121 is greater than or equal to 3, the plurality of first positioning members 121 are arranged in a non-linear distribution, thereby further improving the The positioning accuracy of the lamp panel 21 on the back panel 11 .

In the second embodiment (please refer to FIG. 8 and FIG. 9), when the number of the first fixing members 122 is greater than or equal to 3, the plurality of first fixing members 122 are arranged in a non-linear distribution, thereby further improving the The stability of the connection between the lamp panel 21 and the back panel 11 .

Please refer to FIG. 10 and FIG. 11 . FIG. 10 is a schematic diagram of the laminated structure of the backlight module provided in the third embodiment of the present application; FIG. 11 is a schematic diagram of the structure of the light panel assembly in FIG. 10 . In this embodiment, the second fixing member 232 includes a connecting portion 2321 and a flexible portion 2322 . The connecting portion 2321 is used to cooperate with the first fixing member 122 to fix the lamp panel 21 on the back panel 11 . One end of the flexible portion 2322 is connected to the connecting portion 2321 . The other end of the flexible portion 2322 is connected to the lamp board 21 . In the direction in which the plurality of lamp panel assemblies 20 are arranged, the flexible portion 2322 can be deformed.

In this embodiment, the lamp board 21 is a printed circuit board (Printed Circuit Board, PCB). Since the lamp board assembly 20 will generate heat during operation, the lamp board 21 will expand due to heat. Since the flexible portion 2322 can be deformed in the direction in which the plurality of lamp board assemblies 20 are arranged, when two adjacent lamp boards 21 are heated and expanded to cause greater compression, the two adjacent lamp boards 21 The lamp board 21 drives the deformation of the flexible section, so that the two lamp boards 21 are displaced relative to the connecting part 2321, and then the two lamp boards 21 that are pressed against each other move away from each other. The relative displacement occurs on the top, which reduces the pressing force between the two lamp boards 21 that are squeezed against each other, thereby preventing the two lamp boards 21 from being damaged to the light-emitting element 22 due to excessive pressure. Wherein, when the first positioning member 121 and the second positioning member 231 are mated and connected, in the arrangement direction of the plurality of lamp panel assemblies 20, the second positioning member 231 can follow the The lamp board 21 is displaced relative to the back board 11 . For example, the first positioning member 121 and the second positioning member 231 are mated and connected by magnetic attraction.

Optionally, the flexible part 2322 may be, but not limited to, flexible material or elastic metal, as long as the flexible part 2322 can be deformed in the direction in which the plurality of lamp panel assemblies 20 are arranged.

Please refer to Fig. 12, Fig. 13 and Fig. 14, Fig. 12 is a schematic diagram of the laminated structure of the backlight module provided by the fourth embodiment of the present application; Fig. 13 is a schematic diagram of the structure of the light panel assembly in Fig. 12; Schematic diagram of the position transformation trajectory of the second positioning member. In this embodiment, the second positioning member 231 includes a fastening portion 2311 , a rotating portion 2312 and a positioning portion 2313 . One end of the rotating part 2312 is connected to the fastening part 2311 , and the rotating part 2312 can rotate relative to the fastening part 2311 . The positioning part 2313 is disposed on the rotating part 2312 , and the positioning part 2313 can rotate with the rotation of the rotating part 2312 . The positioning portion 2313 is used to cooperate with the first positioning member 121 so that the second fixing member 232 is aligned with the first fixing member 122 .

In this embodiment, the second positioning member 231 has a fixed state and an adjustable state. By tightening the fastening part 2311, the second positioning part 231 can be in a fixed state. By tightening the fastening part 2311 Unscrewing can make the second positioning member 231 in the adjustment state. When the second positioning member 231 is in the adjustment state, the rotating part 2312 can drive the positioning part 2313 to rotate around the fastening part 2311, and the rotation track is shown by the circular dotted line in FIG. 14 , to adjust the position of the positioning portion 2313 . When the second positioning member 231 is in the fixed state, the fastening part 2311 fixes the rotating part 2312, and the rotating part 2312 is fixed. At this time, the fixing part can be connected with the first The positioning piece 121 is matched and connected.

Different types of lamp panels 21 require different avoidance of the components on the lamp panel 21. In this embodiment, the position of the positioning part 2313 can be adjusted, so that different types of lamp panels 21 can be adjusted by adjusting the position of the positioning part. 2313 so that the position of the positioning part 2313 relative to the back panel 11 remains unchanged, so that the back panel 11 does not need to be redesigned, molded, verified, and prepared for different types of lamp panels 21, thereby improving the The versatility of the backboard 11 reduces the design cost.

Further, the positioning part 2313 is slidingly connected with the rotating part 2312 . In the direction where one end of the rotating part 2312 connected to the fastening part 2311 points to the opposite end of the rotating part 2312 (that is, the track of the dotted line in FIG. 14 ), the positioning part 2313 can be relative to the The rotating part 2312 moves. In other words, the positioning part 2313 can be located at any position except the fastening part 2311 within the range of the circular dotted line in FIG. The versatility of the backboard 11 is improved.

Optionally, the positioning part 2313 and the rotating part 2312 may be, but not limited to, slidingly connected by a chute, connected by a slide rail, or connected by rolling.

Please refer to FIG. 1 again, in this embodiment, the second positioning member 231 is magnetically connected to the first positioning member 121 .

In this embodiment, the second positioning member 231 is connected to the first positioning member 121 through magnetic attraction, so that the second positioning member 231 can be guided and positioned by magnetic attraction. When the second positioning member 231 is not in contact with the first positioning member 121, the second positioning member 231 and the first positioning member 121 can attract each other within a certain distance, so as to guide the lamp panel 21 is installed on the backboard 11. In addition, the second positioning member 231 and the first positioning member 121 can also improve alignment accuracy through magnetic attraction, even if the position of the lamp panel 21 is slightly deviated during initial installation, the first positioning member 121 The second positioning member 231 can be attracted to an accurate position by magnetic force, so as to play a role of positioning correction.

Optionally, the first positioning member 121 is a magnet or a magnetic conductor, and the second positioning member 231 is a magnet or a magnetic conductor.

Further, the first positioning member 121 is arranged on the surface of the back panel 11 away from the lamp board 21, so that when the lamp board 21 is disassembled, the second fixing member 232 and the second fixing member 232 are released. After the connection of a fixing part 122, the first positioning part 121 can be removed on the side of the back panel 11 away from the lamp panel 21 (ie, the outside of the back panel 11), so that the second positioning part 231 loses the magnetic attraction force, thereby enabling the lamp panel 21 to be disassembled quickly.

The present application also provides an electronic device 2 . Please refer to FIG. 1 and FIG. 15 . FIG. 15 is a schematic structural diagram of an electronic device provided in an embodiment of the present application. In this embodiment, the electronic device 2 includes the backlight module 1 as described in any one of the foregoing embodiments.

In this embodiment, the electronic device 2 is a large-sized electronic device that needs splicing of the light board 21 , such as a large-sized household TV, a large wall-mounted display screen, and the like.

In this embodiment, the electronic device 2 provided by the present application has no height difference between the plurality of lamp panels 21 in the backlight module 1 , thereby realizing seamless splicing, thereby improving the display effect.

Optionally, the electronic device 2 further includes a middle frame, a display screen, a power supply and a rear cover, one side of the middle frame is used to accommodate the backlight module 1 and the display screen, and the other side is used to accommodate The power supply, the power supply is electrically connected to the backlight module 1 and the display screen, and is used to supply power to the backlight module 1 and the display screen, and the back cover is connected with the middle frame to seal the power supply. Alternatively, the electronic device 2 further includes a base frame connected to the backlight module 1 for supporting the backlight module 1 . Alternatively, the electronic device 2 further includes a hook, and the hook is connected to the backlight module 1 for hooking the backlight module 1 to a fixed surface (such as a wall surface, a cabinet surface, etc.). It is not limited thereto, and the electronic device 2 may also have other structures, which are not limited here.

Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present application, and those skilled in the art can make the above-mentioned Changes, modifications, substitutions and modifications are made to the embodiments, and these improvements and modifications are also regarded as the protection scope of the present application.

Claims (10)

1. The backlight module comprises a back plate assembly and is characterized in that the back plate assembly comprises a back plate and a plurality of groups of first installation assemblies, the plurality of groups of first installation assemblies are arranged on the back plate, and the first installation assemblies comprise first positioning pieces and first fixing pieces; the backlight module further comprises a plurality of lamp panel assemblies, one lamp panel assembly corresponds to one group of first installation assemblies, and the lamp panel assemblies comprise:

a lamp panel;

the light-emitting elements are arranged on the surface, away from the backboard, of the lamp panel;

the second installation component, the second installation component set up in the lamp plate is towards the surface of backplate, the second installation component includes second setting element and second mounting, the second setting element be used for with first setting element cooperation is connected so that the second mounting with first mounting aligns, the second mounting be used for with first mounting cooperation is connected in order to with the lamp plate is fixed in on the backplate.

2. The backlight module according to claim 1, wherein a portion of the first fixing member is disposed on a side of the back plate facing away from the lamp panel, and another portion of the first fixing member penetrates through the back plate to be detachably connected with the second fixing member in a matching manner.

3. The backlight module according to claim 1, wherein a set of the first mounting assemblies includes a plurality of first positioning members disposed at intervals, a set of the second mounting assemblies includes a plurality of second positioning members disposed at intervals, and one of the second positioning members is cooperatively connected with one of the first positioning members;

or, a group of first installation components include a plurality of first mounting components that the interval set up, a group of second installation components include a plurality of second mounting components that the interval set up, and a second mounting component with a first mounting component cooperation is connected.

4. A backlight module according to claim 3, wherein when a group of the first mounting assemblies includes a plurality of first positioning members arranged at intervals and the number of the first positioning members is greater than or equal to 3, the plurality of first positioning members are arranged in a nonlinear distribution manner;

when a group of first installation components include a plurality of first mounting that the interval set up just the quantity of first mounting is greater than or equal to 3, a plurality of first mounting nonlinear distribution sets up.

5. The backlight module according to claim 1, wherein the second fixing member comprises:

the connecting part is used for being matched and connected with the first fixing piece to fix the lamp panel on the backboard; and

The flexible portion, the one end of flexible portion connect in connecting portion, the other end of flexible portion connect in the lamp plate on the direction of arranging of a plurality of lamp plate subassemblies, flexible portion can take place deformation.

6. The backlight module according to claim 1, wherein the second positioning member comprises:

a fastening part;

a rotating part, one end of which is connected to the fastening part, the rotating part being rotatable relative to the fastening part; and

The positioning part is arranged on the rotating part and can rotate along with the rotation of the rotating part, and the positioning part is used for being connected with the first positioning piece in a matched mode so that the second fixing piece is aligned with the first fixing piece.

7. A backlight module according to claim 6, wherein the positioning portion is slidably connected to the rotating portion, and the positioning portion is movable relative to the rotating portion in a direction in which one end of the rotating portion connected to the fastening portion is directed toward the other end of the rotating portion opposite to the rotating portion.

8. A backlight module according to any one of claims 1 to 7, wherein the second positioning member is magnetically connected to the first positioning member.

9. The backlight module according to claim 8, wherein the first positioning member is disposed on a surface of the back plate facing away from the lamp panel.

10. An electronic device, characterized in that the electronic device comprises a backlight module according to any one of claims 1-9.

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