A Mini LED backlight module

Abstract

The present invention relates to the technical field of LEDs, and specifically discloses a Mini LED backlight module, including: a connection base; a module frame assembly, the module frame assembly is connected to a plurality of connection bases; an auxiliary limiting assembly, the auxiliary limiting assembly is connected to the inside of the module frame assembly to complete the limiting and fixing of a plurality of light boards; a heat dissipation device, the heat dissipation device is connected to the module frame assembly for heat dissipation of the light board and pressure boosting and limiting of the auxiliary limiting assembly; a light board unit positioning assembly, the light board unit positioning assembly is connected to the inside of the module frame assembly; wherein, the light board unit positioning assembly includes: a chassis assembly, the chassis assembly is connected to the module frame assembly; an adhesion frame assembly, the adhesion frame assembly is connected to the module frame assembly. Through the cooperation of the module frame assembly and the auxiliary limiting assembly, the device can achieve two-way limiting of a plurality of light boards, thereby improving the connection tightness of the Mini LED lamp group. At the same time, the light board unit positioning assembly can achieve the limiting and adhesion of light boards of different specifications.

Description

Technical Field

[0001] The present invention relates to the field of LED technology, and more specifically, to a Mini LED backlight module. Background Art

[0002] A MiniLED chip is an LED chip with a chip size of about 100μm×100μm. It has the advantages of high color saturation, local dimming, high brightness, energy saving, etc., and can be applied to backlight displays.

[0003] When using a large-size screen, several MiniLEDs need to be assembled to meet the large-scale display requirements. When assembling MiniLEDs, the tightness and stability at the joints of several MiniLEDs are the key to determining the overall screen display effect. However, the existing MiniLEDs are prone to unevenness at the joints. For this reason, we propose a Mini LED backlight module. Summary of the Invention

[0004] The purpose of the present invention is to provide a Mini LED backlight module to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A Mini LED backlight module, comprising:

[0007] A connection base;

[0008] A module frame assembly, which is connected to a plurality of connection bases;

[0009] An auxiliary limiting assembly, which is connected to the inside of the module frame assembly and is used to cooperate with the module frame assembly to complete the limiting and fixing of a plurality of lamp boards;

[0010] A heat dissipation device, which is connected to the module frame assembly and is used for heat dissipation of the lamp board and pressure boosting and limiting of the auxiliary limiting assembly;

[0011] A lamp board unit positioning assembly, which is connected to the inside of the module frame assembly;

[0012] Among them, the lamp board unit positioning assembly includes:

[0013] A chassis assembly, which is connected to the module frame assembly;

[0014] An adhesion frame assembly, which is connected to the module frame assembly and is used for adhesion and fixing of the lamp board.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: The device is reasonably designed. Through the cooperation of the module frame assembly and the auxiliary limiting assembly, two-way limiting of a plurality of lamp boards can be achieved, thereby improving the connection tightness of the MiniLED lamp group. At the same time, the lamp board unit positioning assembly can achieve the limiting adhesion of lamp boards of different specifications, further expanding the scope of use of the backlight module, having high practicability and market prospects, and being suitable for large-scale promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. is a schematic diagram of the front internal structure of a Mini LED backlight module in an embodiment of the present invention.

[0017] Figure 2 FIG. is a schematic diagram of the back external structure of a Mini LED backlight module in an embodiment of the present invention.

[0018] Figure 3 is Figure 1 a partial structural schematic diagram of part A in

[0019] Figure 4 FIG. is a schematic diagram of the structure of a limiting frame in a Mini LED backlight module in an embodiment of the present invention.

[0020] In the figure: 1 - connection seat, 2 - module frame assembly, 3 - auxiliary limiting assembly, 4 - heat dissipation device, 5 - lamp board unit positioning assembly, 6 - chassis assembly, 7 - adhesion frame assembly, 201 - module frame, 202 - first driving member, 203 - limiting frame, 204 - limiting chute, 301 - two-way elastic limiting frame, 302 - second driving member, 401 - air chamber, 402 - air blowing member, 403 - air outlet, 601 - adjusting frame, 602 - chute, 603 - chassis, 701 - third driving member, 702 - fixing plate, 703 - adhesive layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] A Mini LED backlight module, in one embodiment of the present invention, as Figures 1 to 2As shown in the figure, it includes: a connecting seat 1; a module frame assembly 2, the module frame assembly 2 is connected to a plurality of connecting seats 1; an auxiliary limiting assembly 3, the auxiliary limiting assembly 3 is connected to the inside of the module frame assembly 2, and is used to cooperate with the module frame assembly 2 to complete the limiting and fixing of a plurality of lamp boards; a heat dissipation device 4, the heat dissipation device 4 is connected to the module frame assembly 2, and is used for the heat dissipation of the lamp board and the pressure boosting and limiting of the auxiliary limiting assembly 3; a lamp board unit positioning assembly 5, the lamp board unit positioning assembly 5 is connected to the inside of the module frame assembly 2; wherein, the lamp board unit positioning assembly 5 includes: a chassis assembly 6, the chassis assembly 6 is connected to the module frame assembly 2; an adhesion frame assembly 7, the adhesion frame assembly 7 is connected to the module frame assembly 2, and is used for the adhesion and fixing of the lamp board.

[0023] In an embodiment of the present invention:

[0024] As Figure 1 and Figure 2 As shown in the figure, the module frame assembly 2 includes: a module frame 201, the module frame 201 is connected to a plurality of connecting seats 1; a plurality of groups of first driving members 202, the first driving members 202 are connected to the inside of the module frame 201; the first driving members 202 are selected as electric telescopic rods; a limiting frame 203, the limiting frame 203 is slidably connected to the inside of the module frame 201 and is connected to the first driving members 202;

[0025] According to the required fixed lamp board specifications, adjust the fixing range and position of the adhesion frame assembly 7, then adhere the lamp board to be fixed to the adhesion frame assembly 7 at the corresponding position, and then drive the limiting frames 203 on both sides to move towards each other under the drive of the first driving members 202 on both sides to complete the horizontal clamping of a plurality of lamp boards, and then the auxiliary limiting assembly 3 operates, and the longitudinal clamping of a plurality of lamp boards is completed through the auxiliary limiting assembly 3 to realize the two-way clamping and limiting of a plurality of lamp board units. Then the heat dissipation device 4 operates, which can accelerate the air circulation speed outside the lamp board, further improve the heat dissipation quality and operation stability of the lamp board. At the same time, the blast gas discharged by the heat dissipation device 4 can pressurize the auxiliary limiting assembly 3 to further improve the clamping force of the auxiliary limiting assembly 3;

[0026] In this application, the first driving member 202 is not limited to an electric telescopic rod alone, and can also adopt a linear motor, an electric cylinder or a cylinder drive, etc., as long as the movement adjustment of the limiting frame 203 can be realized, and no specific limitation is made here.

[0027] In an embodiment of the present invention:

[0028] As Figure 1 and Figure 4 As shown in the figure, the module frame assembly 2 further includes: a limiting chute 204, the limiting chute 204 is arranged inside the limiting frame 203 and is used for the movement limiting of the auxiliary limiting assembly 3;

[0029] The auxiliary limit component 3 is connected to the internal limit chute 204 of the limit frame 203. According to the required fixed light board specifications, the two auxiliary limit components 3 can be adjusted by sliding along the limit chute 204 and abut against the light board to complete the longitudinal limit fixation of the light board.

[0030] In an embodiment of the present invention:

[0031] As Figure 1 and Figure 2 shown, the auxiliary limit component 3 includes: a plurality of second driving members 302, which are connected to the inside of the module frame 201; the second driving member 302 is selected as an electric telescopic rod; a bidirectional elastic limit frame 301, which is connected to the second driving member 302 and is slidably connected to the limit chute 204;

[0032] When the two limit frames 203 move towards each other, the two bidirectional elastic limit frames 301 can contract elastically. After a plurality of light boards are fixed by the light board unit positioning component 5 and the two limit frames 203, the two second driving members 302 drive the bidirectional elastic limit frames 301 to move towards each other and abut against the outer sides of the plurality of light boards to complete the limit fixation of the light boards, realizing the bidirectional limit fixation of the light boards;

[0033] In this application, the second driving member 302 is not limited to an electric telescopic rod. A linear motor, an electric cylinder or a cylinder drive, etc. can also be used, as long as the movement adjustment of the bidirectional elastic limit frame 301 can be realized, and no specific limitation is made here.

[0034] In an embodiment of the present invention:

[0035] As Figure 1 and Figure 2 shown, the heat dissipation device 4 includes: an air chamber 401, which is connected to the module frame 201; a blowing member 402, which is connected to the air chamber 401; the blowing member 402 is selected as a blower; an air outlet 403, which penetrates the module frame 201 and is connected to the air chamber 401 in communication;

[0036] When the blowing member 402 operates, it can pressurize and blow air into the air chamber 401 and the two air outlets 403. The gas discharged through the air outlet 403 can blow air to the light board inside the module frame 201 to accelerate the air circulation speed outside the light board. At the same time, the gas discharged through the air outlet 403 can blow to the side of the bidirectional elastic limit frame 301 close to the second driving member 302 to complete the pressurized blowing of the bidirectional elastic limit frame 301, further improving the fixing stability of the bidirectional elastic limit frame 301 to the light board.

[0037] In an embodiment of the present invention:

[0038] As Figures 1 to 3 shown, the chassis assembly 6 includes: at least two adjusting frames 601, the adjusting frames 601 are slidably connected to the module frame 201; a chute 602, the chute 602 is arranged inside the adjusting frame 601; a chassis 603, the chassis 603 is connected to the module frame 201;

[0039] According to the required specifications of the fixed lamp board, the adhesion frame assembly 7 can adjust the relative distance between the two side adjusting frames 601, and then, through the adhesion frame assembly 7 connected thereto, complete the adhesion and fixation of lamp boards of different specifications.

[0040] In an embodiment of the present invention:

[0041] As Figure 1 and Figure 3 shown, the adhesion frame assembly 7 includes: a third driving member 701, the third driving member 701 is connected to the chassis 603; the third driving member 701 is a bidirectional electric telescopic rod; a fixing plate 702, the fixing plate 702 is in limiting sliding connection with the chute 602 and is connected to the third driving member 701; an adhesive layer 703, the adhesive layer 703 is connected to the fixing plate 702;

[0042] According to the required specifications of the fixed lamp board, when the third driving member 701 operates, it can drive the two side fixing plates 702 and the adjusting frames 601 to move towards or away from each other, and the fixing plate 702 can slide in a limited manner along the chute 602, further meeting the fixing requirements of the lamp board. After the adjustment is completed, several lamp boards are fixedly connected to the adhesive layer 703, and the edges of several lamp boards are closely connected to complete the assembly of several lamp boards.

[0043] The working principle of the present invention is as follows: According to the required specifications of the fixed lamp board, the fixing range and position of the adhesion frame assembly 7 are adjusted. Then, the lamp board to be fixed is adhesively connected to the adhesion frame assembly 7 at the corresponding position. Then, driven by the first driving members 202 on both sides, the limiting frames 203 on both sides are driven to move towards each other to complete the horizontal clamping of several lamp boards. Then, the auxiliary limiting assembly 3 operates, and the longitudinal clamping of several lamp boards is completed through the auxiliary limiting assembly 3, realizing the two-way clamping and limiting of several lamp board units. Then, the heat dissipation device 4 operates, which can accelerate the air circulation speed outside the lamp board, further improving the heat dissipation quality and operation stability of the lamp board. At the same time, the blowing gas discharged by the heat dissipation device 4 can pressurize the auxiliary limiting assembly 3, further improving the clamping force of the auxiliary limiting assembly 3. The first driving member 202 is not limited to an electric telescopic rod, and linear motors, electric cylinders, or cylinder drives, etc. can also be used, as long as the movement adjustment of the limiting frame 203 can be achieved, and no specific limitation is made here. The auxiliary limiting assembly 3 is connected to the internal limiting chute 204 of the limiting frame 203. According to the required specifications of the fixed lamp board, the auxiliary limiting assemblies 3 on both sides can be slidably adjusted along the limiting chute 204 to abut against the lamp board, completing the longitudinal limiting and fixing of the lamp board. When the limiting frames 203 on both sides move towards each other, the two-way elastic limiting frames 301 on both sides can elastically contract. When several lamp boards are fixed through the lamp board unit positioning assembly 5 and the limiting frames 203 on both sides, the second driving members 302 on both sides drive the two-way elastic limiting frames 301 to move towards each other to abut against the outer sides of several lamp boards, completing the limiting and fixing of the lamp boards, realizing the two-way limiting and fixing of the lamp boards. The second driving member 302 is not limited to an electric telescopic rod, and linear motors, electric cylinders, or cylinder drives, etc. can also be used, as long as the movement adjustment of the two-way elastic limiting frame 301 can be achieved, and no specific limitation is made here;

[0044] When the air blowing member 402 operates, it can pressurize and blow air into the air storage chamber 401 and the two side air outlets 403. The gas discharged through the air outlet 403 can blow air on the lamp board inside the module frame 201, accelerating the air circulation speed outside the lamp board. At the same time, the gas discharged through the air outlet 403 can blow towards one side of the bi-directional elastic limiting frame 301 close to the second driving member 301, completing the pressurized air blowing of the bi-directional elastic limiting frame 301, further improving the fixing stability of the bi-directional elastic limiting frame 301 to the lamp board. According to the required lamp board specifications to be fixed, the adhesion frame assembly 7 can adjust the relative distance between the two side adjusting frames 601, and then, through the connected adhesion frame assembly 7, complete the adhesion and fixing of lamp boards of different specifications. According to the required lamp board specifications to be fixed, when the third driving member 701 operates, it can drive the two side fixing plates 702 and the adjusting frames 601 to move towards or away from each other, and the fixing plates 702 can slide along the chutes 602 in a limited manner, further meeting the fixing requirements of the lamp board. After the adjustment is completed, several lamp boards are fixedly connected to the adhesive layer 703, and the edges of several lamp boards are closely connected to complete the assembly of several lamp boards.

[0045] In summary, through the cooperation of the module frame assembly 2 and the auxiliary limiting assembly 3, the bi-directional limiting of several lamp boards can be realized, thereby improving the connection tightness of the MiniLED lamp group. At the same time, the lamp board unit positioning assembly 5 can realize the limiting adhesion of lamp boards of different specifications, further expanding the application range of the backlight module.

[0046] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A Mini LED backlight module, characterized in that Comprising: Connection base; Module frame assembly, the module frame assembly is connected to a plurality of connection bases; Auxiliary limiting assembly, the auxiliary limiting assembly is connected to the inside of the module frame assembly and is used to cooperate with the module frame assembly to complete the limiting and fixing of a plurality of lamp boards; Heat dissipation device, the heat dissipation device is connected to the module frame assembly and is used for heat dissipation of the lamp board and boosting the limit of the auxiliary limiting assembly; Lamp board unit positioning assembly, the lamp board unit positioning assembly is connected to the inside of the module frame assembly; Wherein, the lamp board unit positioning assembly includes: Bottom frame assembly, the bottom frame assembly is connected to the module frame assembly; Adhesion frame assembly, the adhesion frame assembly is connected to the module frame assembly and is used for adhesion and fixing of the lamp board; The module frame assembly includes: Module frame, the module frame is connected to a plurality of connection bases; Several groups of first driving members, the first driving members are connected to the inside of the module frame; Limiting frame, the limiting frame is slidably connected to the inside of the module frame and is connected to the first driving member; The module frame assembly further includes: Limiting sliding groove, the limiting sliding groove is arranged inside the limiting frame and is used for moving and limiting of the auxiliary limiting assembly; The auxiliary limiting assembly includes: Several second driving members, the second driving members are connected to the inside of the module frame; Bidirectional elastic limiting frame, the bidirectional elastic limiting frame is connected to the second driving member and is slidably connected to the limiting sliding groove; The bottom frame assembly includes: At least two adjusting frames, the adjusting frames are slidably connected to the module frame; Sliding groove, the sliding groove is arranged inside the adjusting frame; Bottom frame, the bottom frame is connected to the module frame; The adhesion frame assembly includes: Third driving member, the third driving member is connected to the bottom frame; Fixed plate, the fixed plate is slidably connected to the sliding groove in a limited manner and is connected to the third driving member; Adhesive layer, the adhesive layer is connected to the fixed plate.

2. The Mini LED backlight module according to claim 1, wherein The heat dissipation device includes: Air chamber, the air chamber is connected to the module frame; Air blowing member, the air blowing member is connected to the air chamber; Exhaust port, the exhaust port penetrates through the module frame and is connected to the air chamber in a communicating manner.

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