CN217718383U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN217718383U CN217718383U CN202221995122.5U CN202221995122U CN217718383U CN 217718383 U CN217718383 U CN 217718383U CN 202221995122 U CN202221995122 U CN 202221995122U CN 217718383 U CN217718383 U CN 217718383U
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- middle frame
- liquid crystal
- backlight module
- crystal glass
- optical assembly
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Abstract
The application discloses a backlight module and a display device, which comprise liquid crystal glass, a middle frame, a back plate and an optical assembly, wherein the liquid crystal glass is arranged on the middle frame, and the bottom of the back plate is provided with a light source; the optical assembly is arranged in the middle frame; the back plate is sleeved on the middle frame from one side far away from the liquid crystal glass and is detachably connected with the middle frame. The optical assembly is connected with the middle frame, so that the optical assembly is not directly connected with the back plate, and the optical assembly and the middle frame form a whole; and the backboard is sleeved on the periphery of the middle frame from one side of the middle frame far away from the liquid crystal glass, is detachably connected with the middle frame, and then places the liquid crystal glass downwards to detach the backboard from the middle frame, so that the light source can be exposed and maintained, the disassembling process is greatly simplified, and the disassembling efficiency is improved.
Description
Technical Field
The application relates to the technical field of display equipment, in particular to a backlight module and a display device.
Background
In the traditional backlight module, the liquid crystal glass is positioned at the opposite side of the light source at the bottom of the back plate by wrapping the middle frame at the periphery of the back plate; and the optical assembly is glued in the back plate, so that the optical assembly is arranged between the liquid crystal glass and the light source. When the light source installed at the bottom of the back plate needs to be maintained, the liquid crystal glass needs to be taken down upwards, the middle frame and the optical assembly are sequentially taken down, the light source can be exposed, the light source is maintained, and the disassembling process of the traditional backlight module is complicated.
Accordingly, there is a need for improvements and developments in the art.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved in the present application is to provide a backlight module and a display device aiming at simplifying the disassembling process, aiming at the above-mentioned defects in the prior art.
The technical scheme adopted by the application for solving the technical problem is as follows:
the utility model provides a backlight unit, its includes liquid crystal glazing, center and backplate, liquid crystal glazing set up in on the center, the bottom of backplate is provided with the light source, and it still includes:
the optical assembly is arranged in the middle frame;
the back plate is sleeved on the middle frame from one side far away from the liquid crystal glass and is detachably connected with the middle frame.
The backlight module further comprises:
a plurality of screws circumferentially distributed along the periphery of the back plate;
the screw penetrates through the back plate and is in threaded connection with the middle frame.
The backlight module further comprises:
the middle frame pressing strip is arranged in the middle frame and has a hollow structure;
the optical assembly is arranged on the middle frame pressing strip, one side of the optical assembly corresponds to the liquid crystal glass, and the other side of the optical assembly corresponds to the light source through the hollow structure.
The middle frame pressing strip is in interference fit with the middle frame; grooves are formed in two ends of the middle frame pressing strip and communicated with the hollow structure; and two ends of the optical assembly are respectively positioned in the corresponding grooves.
The backlight module, wherein, the center includes:
a middle frame body;
and the supporting part is arranged on the inner wall of the middle frame body in a surrounding manner and is attached to the middle frame pressing strip.
The backlight module further comprises:
the buffer rubber strip is of a closed-loop structure and is arranged on one side, far away from the middle frame pressing strip, of the supporting part;
the buffering adhesive tape is attached to the liquid crystal glass.
The surface of one side, close to the liquid crystal glass, of the buffering rubber strip is lower than the surface of one side, close to the liquid crystal glass, of the middle frame body.
The backlight module, wherein the optical assembly includes:
the light-diffusing plate is arranged on the middle frame pressing bar;
and the optical film is arranged on the light diffusion plate and is positioned on one side of the light diffusion plate close to the liquid crystal glass.
The backlight module comprises a middle frame, a light source and a backlight module, wherein the outer wall of the middle frame is provided with clamping grooves which are arranged in a surrounding manner along the middle frame to form a closed loop; the clamping groove is matched with the back plate.
A display device comprises the backlight module.
Has the advantages that: in the application, the optical assembly is connected with the middle frame, so that the optical assembly and the back plate do not have a direct connection relationship, and the optical assembly and the middle frame form a whole; and the backboard is sleeved on the periphery of the middle frame from one side of the middle frame far away from the liquid crystal glass, is detachably connected with the middle frame, and then places the liquid crystal glass downwards to detach the backboard from the middle frame, so that the light source can be exposed and maintained, the disassembling process is greatly simplified, and the disassembling efficiency is improved. In addition, the liquid crystal glass does not need to be disassembled, so that the problem that the liquid crystal glass is damaged due to the disassembly of the liquid crystal glass is effectively avoided.
Drawings
Fig. 1 is a schematic perspective view of a backlight module according to the present application;
FIG. 2 is a longitudinal cross-sectional view of a backlight module described herein;
FIG. 3 is a first exploded view of the backlight module of the present application;
fig. 4 is a first exploded view of the backlight module of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application clearer and clearer, the present application is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The present application provides a backlight module, as shown in fig. 1-4, the backlight module includes: liquid crystal glass 1, a middle frame 2, a back plate 3 and an optical assembly 4. The liquid crystal glass 1 is arranged on the middle frame 2, and the bottom of the back plate 3 is provided with a light source 5; the optical assembly 4 is disposed within the middle frame 2. The back plate 3 is sleeved on the middle frame 2, specifically, the back plate 3 is sleeved on the periphery of the middle frame 2 from one side far away from the liquid crystal glass 1, and the back plate 3 is detachably connected with the middle frame 2. The light emitted from the light source 5 is transmitted and diffused by the optical component 4, then emitted to the liquid crystal glass 1, and emitted through the liquid crystal glass 1.
In the present application, the optical component 4 is connected to the middle frame 2, so that the optical component 4 and the back plate 3 do not have a direct connection relationship, and the optical component 4 and the middle frame 2 form a whole; the back plate 3 is sleeved on the periphery of the middle frame 2 from one side, far away from the liquid crystal glass 1, of the middle frame 2 and detachably connected with the middle frame 2, the liquid crystal glass 1 is placed downwards, the back plate 3 is detached from the middle frame 2, the light source 5 can be exposed and maintained, the disassembling process is greatly simplified, and the disassembling efficiency is improved. In addition, the liquid crystal glass 1 does not need to be disassembled, so that the problem that the liquid crystal glass 1 is damaged due to the disassembly of the liquid crystal glass 1 is effectively avoided.
The inventor of the application finds through research that in the traditional backlight module, the backboard 3 and the middle frame 2 are connected through the buckle, and when the backboard 3 and the middle frame 2 are disassembled, the problem that the middle frame 2 is damaged due to the disassembly of the buckle is easily caused.
In order to solve the above technical problem, as shown in fig. 2, the backlight module in the present application further includes a plurality of screws 6, and the plurality of screws 6 are distributed around the periphery of the back plate 3. The screw 6 penetrates through the back plate 3 and is in threaded connection with the middle frame 2, so that the back plate 3 and the middle frame 2 are detachably connected.
Since the back plate 3 is sleeved on the middle frame 2 from the outer side of the middle frame 2, and the screw 6 passes through the back plate 3 and is in threaded connection with the middle frame 2, the head of the screw 6 can be exposed out of the back plate 3. The screw 6 penetrates through the back plate 3 and is screwed into the middle frame 2, so that the back plate 3 can be positioned outside the middle frame 2; the screws 6 are detached from the middle frame 2 and the back plate 3, so that the back plate 3 and the middle frame 2 can be separated. Therefore, in this application backlight unit through installation or dismantlement screw 6 can realize backplate 3 with connection or separation between the center 2 makes backplate 3 with easy dismounting between the center 2, and can not be right backplate 3 perhaps the structure of center 2 produces the damage.
In an embodiment of the present invention, as shown in fig. 2-4, the backlight module further includes a middle frame pressing bar 7, the middle frame pressing bar 7 is disposed in the middle frame 2 and is used for bearing the optical assembly 4, so that the optical assembly 4 is positioned in the middle frame 2. Specifically, the middle frame pressing bar 7 has a hollow structure 70, that is, the middle frame pressing bar 7 is ring-shaped; and the appearance shape of the middle frame pressing strip 7 is matched with the inner space of the middle frame 2, namely the cross sections of the middle frame 2 and the middle frame pressing strip 7 are rectangular.
The optical assembly 4 is arranged on the middle frame pressing strip 7 and is positioned on one side, close to the liquid crystal glass 1, of the middle frame pressing strip 7. The optical component 4 corresponds to the hollow structure 70, specifically, one side of the optical component 4 corresponds to the liquid crystal glass 1, and the other side corresponds to the light source 5 through the hollow structure 70, so that light emitted by the light source 5 can enter the optical component 4, and is diffused and transmitted by the optical component 4 to be emitted to the liquid crystal glass 1.
The utility model discloses in an embodiment, center layering 7 with 2 interference fit of center, optical assembly 4 with bond through gluing between the center layering 7. And extruding the middle frame pressing strip 7 assembled with the optical assembly 4 into the middle frame 2, so that the assembly and positioning of the middle frame pressing strip 7 in the middle frame 2 can be realized.
In an embodiment of the present invention, as shown in fig. 4, two ends of the middle frame pressing bar 7 along the length direction a are both provided with a groove 71, and the grooves 71 are communicated with the hollow structure 70; the groove 71 is used for accommodating the optical component 4. Specifically, two ends of the optical assembly 4 in the length direction are respectively located in the corresponding grooves 71, and the side surfaces of the optical assembly 4 are attached to the side surfaces of the grooves 71. The longitudinal section of the groove 71 is L-shaped as shown in fig. 4.
In this embodiment, the groove 71 is formed in the middle frame pressing bar 7, so that the optical assembly 4 is accommodated in the groove 71, the optical assembly 4 can be attached to the bottom of the groove 71 and also attached to the side surface of the groove 71, the contact area between the optical assembly 4 and the middle frame pressing bar 7 is increased, and the positioning stability of the optical assembly 4 in the middle frame 2 is improved.
In one embodiment of the present invention, the middle frame 2 includes a middle frame body 21 and a supporting portion 22; the supporting part 22 is arranged on the inner wall of the middle frame body 21 and is arranged in a surrounding manner to form a closed loop structure; the middle frame pressing strip 7 is respectively attached to the middle frame body 21 and the supporting portion 22. The liquid crystal glass 1 is arranged on the supporting part 22 and is positioned on one side of the supporting part 22 far away from the middle frame pressing strip 7.
In this embodiment, the supporting portion 22 can support and position the liquid crystal glass 1, and can increase the contact area between the middle frame 2 and the middle frame pressing strip 7, so as to improve the stability of positioning the middle frame pressing strip 7 in the middle frame 2.
The utility model discloses in an embodiment, because supporting part 22 can be right the light of 4 outgoing of optical component produces certain sheltering from, consequently, center layering 7 contact the width of supporting part 22 one side with the width of supporting part 22 equals, or slightly is greater than the width of supporting part 22 (as shown in fig. 2), thereby reduces optical component 4's length, reduction in production cost.
In an embodiment of the present invention, as shown in fig. 2-4, the backlight module further includes a buffer rubber strip 8; the buffering rubber strip 8 is in a closed loop structure; the buffering rubber strip 8 is matched with the supporting part 22 and is arranged on one side, far away from the middle frame pressing strip 7, of the supporting part 22; the buffering adhesive tape 8 is attached to the liquid crystal glass 1.
In this embodiment, the buffer rubber strip 8 is arranged between the liquid crystal glass 1 and the support portion 22, so that the stability of the liquid crystal glass 1 in bonding on the support portion 22 is increased; meanwhile, the buffer rubber strip 8 can isolate the liquid crystal glass 1 from the supporting part 22, and provides buffer protection effect for the liquid crystal glass 1 through elasticity of the buffer rubber strip, so that the probability of damage to the liquid crystal glass 1 is reduced.
The utility model discloses in an embodiment, buffering adhesive tape 8 is close to the surface of liquid crystal glazing 1 one side is less than center body 21 is close to the surface of liquid crystal glazing 1 one side makes 1 at least some of liquid crystal glazing is located in center 2 to increase liquid crystal glazing 1 with area of contact between center 2 promotes liquid crystal glazing 1 is in the stability of location on center 2.
In one embodiment of the present invention, as shown in fig. 2 and 4, the optical assembly 4 includes a light-diffusing plate 41 and an optical film 42; the light diffusion plate 41 is arranged on the middle frame pressing bar 7 and corresponds to the hollow structure 70; specifically, both ends of the light-diffusing plate 41 in the length direction are respectively located in the corresponding grooves 71. The optical film 42 is disposed on the light diffusion plate 41 and is located on one side of the light diffusion plate 41 close to the liquid crystal glass 1. The two ends of the optical film 42 in the length direction are also located in the corresponding grooves 71, and the surface of one side of the optical film 42 close to the liquid crystal glass 1 is flush with the surface of the middle frame pressing strip 7 contacting the supporting part 22.
In an embodiment of the present invention, a clamping groove 9 is disposed on an outer wall of the middle frame 2, and the clamping groove 9 is disposed around the middle frame 2 and forms a closed loop; the card slot 9 cooperates with the backplate 3 to receive the backplate 3. Specifically, the card slot 9 is located on the middle frame body 21 and arranged around the periphery of the middle frame body 21, so that the card slot 9 forms a ring shape to match the shape of the backboard 3. The longitudinal section of the clamping groove 9 is in an inverted L shape, as shown in FIG. 4.
The back plate 3 comprises a bottom plate 31 and four side plates 32, as shown in fig. 3, the light source 5 is arranged on the bottom plate 31; the bottom plate 31 is rectangular, four side plates 32 are correspondingly connected with four sides of the bottom plate 31, and the four side plates 32 are inclined towards one side of the bottom plate 31 where the light source 5 is arranged. As shown in fig. 2, four side plates 32 are located in the slot 9, and each side plate 32 is detachably connected to the middle frame body 21 through at least one screw 6.
In this embodiment, the clamping groove 9 accommodates the backboard 3, so that the contact area between the backboard 3 and the middle frame 2 is increased, and the positioning stability between the backboard 3 and the middle frame 2 is improved.
The application also provides a display device, which comprises the backlight module.
In summary, the present application provides a backlight module and a display device, in the backlight module, the optical component is connected to the middle frame, so that the optical component and the back plate do not have a direct connection relationship, and the optical component and the middle frame form a whole; and the backboard is sleeved on the periphery of the middle frame from one side, away from the liquid crystal glass, of the middle frame, and is detachably connected with the middle frame, so that the liquid crystal glass is placed downwards, the backboard is detached from the middle frame, the light source can be exposed and maintained, the disassembling process is greatly simplified, and the disassembling efficiency is improved. In addition, the liquid crystal glass does not need to be disassembled, so that the problem that the liquid crystal glass is damaged due to the disassembly of the liquid crystal glass is effectively avoided.
It should be understood that the application of the present application is not limited to the above examples, and that modifications or changes may be made by those skilled in the art based on the above description, and all such modifications and changes are intended to fall within the scope of the appended claims.
Claims (10)
1. The utility model provides a backlight module, its includes liquid crystal glazing, center and backplate, liquid crystal glazing set up in on the center, the bottom of backplate is provided with the light source, its characterized in that, it still includes:
the optical assembly is arranged in the middle frame;
the back plate is sleeved on the middle frame from one side far away from the liquid crystal glass and is detachably connected with the middle frame.
2. The backlight module of claim 1, further comprising:
a plurality of screws circumferentially distributed along the periphery of the back plate;
the screw penetrates through the back plate and is in threaded connection with the middle frame.
3. The backlight module of claim 1, further comprising:
the middle frame pressing strip is arranged in the middle frame and has a hollow structure;
the optical assembly is arranged on the middle frame pressing strip, one side of the optical assembly corresponds to the liquid crystal glass, and the other side of the optical assembly corresponds to the light source through the hollow structure.
4. The backlight module according to claim 3, wherein the middle frame pressing bar is in interference fit with the middle frame; grooves are formed in two ends of the middle frame pressing strip and communicated with the hollow structure; and two ends of the optical assembly are respectively positioned in the corresponding grooves.
5. The backlight module as claimed in claim 4, wherein the middle frame comprises:
a middle frame body;
and the supporting part is arranged on the inner wall of the middle frame body in a surrounding manner and is attached to the middle frame pressing strip.
6. The backlight module of claim 5, further comprising:
the buffer rubber strip is of a closed-loop structure and is arranged on one side, far away from the middle frame pressing strip, of the supporting part;
the buffering adhesive tape is attached to the liquid crystal glass.
7. The backlight module as claimed in claim 6, wherein the surface of the cushion rubber strip near the liquid crystal glass is lower than the surface of the middle frame body near the liquid crystal glass.
8. The backlight module according to claim 3, wherein the optical assembly comprises:
the light-diffusing plate is arranged on the middle frame pressing bar;
and the optical film is arranged on the light diffusion plate and is positioned on one side of the light diffusion plate close to the liquid crystal glass.
9. The backlight module as claimed in claim 1, wherein a locking groove is disposed on an outer wall of the middle frame, and the locking groove is circumferentially disposed along the middle frame and forms a closed loop; the clamping groove is matched with the back plate.
10. A display device comprising a backlight module according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995122.5U CN217718383U (en) | 2022-07-28 | 2022-07-28 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995122.5U CN217718383U (en) | 2022-07-28 | 2022-07-28 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217718383U true CN217718383U (en) | 2022-11-01 |
Family
ID=83781883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221995122.5U Active CN217718383U (en) | 2022-07-28 | 2022-07-28 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217718383U (en) |
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2022
- 2022-07-28 CN CN202221995122.5U patent/CN217718383U/en active Active
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