CN218037608U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN218037608U CN218037608U CN202221910361.6U CN202221910361U CN218037608U CN 218037608 U CN218037608 U CN 218037608U CN 202221910361 U CN202221910361 U CN 202221910361U CN 218037608 U CN218037608 U CN 218037608U
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- led lamp
- assembly
- strip
- backlight module
- lamp panel
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Abstract
The application discloses backlight unit and display device, a backlight unit includes: a back plate; an LED lamp panel assembly; and the assembly parts comprise connecting parts arranged at intervals and a pressing strip, each connecting part is connected with the back plate at one end and connected with the other end of the connecting part, the other end of the connecting part is connected with the pressing strip, and the LED lamp panel assembly is clamped between the back plate and the pressing strip. In this application, compress tightly LED lamp plate subassembly through compressing tightly the strip and can increase the area that the assembly part compressed tightly on LED lamp plate subassembly to make the fastening effect of LED lamp plate subassembly better.
Description
Technical Field
The application belongs to the display field, especially relates to a backlight unit and display device.
Background
The backlight module is one of the key components of the liquid crystal display panel, and is mainly used for providing a light source to light the liquid crystal display module of the display panel so as to realize the imaging of the display panel.
In the related art, the backlight module mainly includes a light source and a plastic frame. Taking the light source as an LED (light-emitting diode) lamp panel as an example, because the area of the LED lamp panel is large, many fasteners are generally required to be arranged on the LED lamp panel in an array manner, so that the LED lamp panel is mounted and fixed on the plastic frame through the fasteners. However, the fastening effect of the fastening piece on the LED lamp panel is poor.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a backlight unit and display device, can improve the fastening effect of LED lamp plate.
In a first aspect, an embodiment of the present application provides a backlight module, including:
a back plate;
an LED lamp panel assembly; and
the assembly part, including the connecting portion that compress tightly strip and a plurality of interval set up, each the one end of connecting portion with the backplate is connected, each the other end of connecting portion with compress tightly the strip and connect, LED lamp plate assembly clamp is arranged in the backplate with compress tightly between the strip.
Optionally, the LED lamp panel assembly includes at least one LED lamp panel, the LED lamp panel includes a main body portion and a plurality of strip portions connected to the main body portion, the main body portion is provided with a plurality of strip portions in an arrangement along at least one side of the width direction, and the strip portions located on the same side of the main body portion are arranged in an arrangement along the length direction of the main body portion;
the assembly part comprises at least one first assembly part, and a plurality of strip-shaped parts are clamped between the pressing strip and the back plate of the first assembly part.
Optionally, at least one strip-shaped portion is accommodated between two adjacent connecting portions of the first assembly.
Optionally, the LED lamp panel assembly includes a plurality of LED lamp panels, and two adjacent LED lamp panels are spaced apart from each other;
the assembly part comprises at least one second assembly part, and at least two adjacent LED lamp panels are clamped between the back plate and the pressing strip of the same second assembly part.
Optionally, the LED lamp panel includes at least one wiring area, and the wiring area is provided with a wiring terminal;
the assembly part comprises an extension part protruding from the pressing strip, and the wiring area is clamped between the extension part and the back plate.
Optionally, the connecting portion is detachably connected to the back plate.
Optionally, the assembly further comprises a plurality of support columns, and the support columns are all arranged on one side, back to the back plate, of the pressing strip;
the backlight module further comprises an optical diaphragm, and one end of the supporting column, which is far away from the back plate, abuts against the optical diaphragm.
Optionally, the assembly further includes a plurality of support portions, the support portions are disposed on one side of the pressing strip, which faces away from the support column, and the support portions are abutted to the back plate.
Optionally, the back plate is fixedly bonded with the LED lamp panel assembly.
In a second aspect, an embodiment of the present application further provides a display device, including the backlight module as described in any one of the above embodiments.
In the embodiment of the application, in comparison with the case of adopting a plurality of mutually independent fasteners to fix the LED lamp panel assembly, under the condition that the quantity of the connecting parts and the fasteners is the same, because the connecting parts are all connected to the same pressing strip, the area of the pressed part of the LED lamp panel assembly can be increased by pressing the LED lamp panel assembly through the pressing strip, so that the installation of the LED lamp panel assembly is more stable and the stress is more uniform and reasonable.
Drawings
The technical solutions and advantages of the present application will be apparent from the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present disclosure.
Fig. 2 isbase:Sub>A sectional view of the backlight module shown in fig. 1 alongbase:Sub>A-base:Sub>A direction.
Fig. 3 is a partial enlarged view of the backlight module shown in fig. 2 at the X-position.
Fig. 4 is a schematic structural view of another view angle of the backlight module shown in fig. 1.
Fig. 5 is a schematic structural view of an LED lamp panel of the backlight module shown in fig. 4.
Fig. 6 is a perspective view of an assembly of the backlight module shown in fig. 4.
The reference numbers in the figures are respectively:
100. a backlight module;
11. a back plate;
12. an LED lamp panel assembly; 121. an LED lamp panel; 121a, a main body portion; 121b, a strip portion; 1211. a substrate; 1212. an LED lamp bead; 1213 of a paper substrate; connecting terminal
13. An assembly member; 13a, a first assembly part; 13b, a second fitting; 131. compressing the strips; 132. a connecting portion; 133. an extension portion; 134. a first hole site; 135. a support column; 136. a support portion.
Detailed Description
The technical solutions in 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. It should be apparent that the described embodiments are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a backlight module according to an embodiment of the present disclosure. The embodiment of the present application provides a backlight module 100, which is mainly applied to a display device, where the display device may be any product or component having a display function, such as a liquid crystal display panel, electronic paper, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, and a navigator, and the specific structure of the display device is not limited in the embodiment of the present application.
Referring to fig. 2 and fig. 3, fig. 2 isbase:Sub>A sectional view of the backlight module shown in fig. 1 alongbase:Sub>A directionbase:Sub>A-base:Sub>A, and fig. 3 isbase:Sub>A partial enlarged view of the backlight module shown in fig. 2 atbase:Sub>A position X. The backlight assembly 100 may include a back panel 11, an LED lamp panel assembly 12, and a fitting 13. The fitting 13 comprises a compression bar 131 and a plurality of spaced apart coupling portions 132. One end of each connecting portion 132 is connected to the back plate 11, and the other end of each connecting portion 132 is connected to the pressing bar 131. The LED lamp panel assembly 12 is sandwiched between the back panel 11 and the pressing bar 131. It can be understood that, compare in adopting a plurality of mutually independent fasteners in order to fix LED lamp plate subassembly 12, under the same condition of quantity of connecting portion 132 and fastener, because connecting portion 132 all connect in same compressing tightly strip 131, so can compress tightly the bigger area of LED lamp plate subassembly 12 through compressing tightly strip 131 to make LED lamp plate subassembly 12 install more stably and the atress is more even reasonable.
The LED lamp panel assembly 12 may include an LED lamp panel 121. The LED lamp panel assembly 12 may also include a plurality of LED lamp panels 121, such as two, three, four, or five, which is not limited in this embodiment.
The shape of the LED lamp panel 121 may be various. For example, the LED lamp panel 121 may be a square plate, or the LED lamp panel 121 may be a special-shaped panel, which is not limited in this embodiment of the application. When the number of the LED lamp panel assemblies 12 is plural, all the LED lamp panels 121 may be square plate-shaped, all the LED lamp panels 121 may also be special-shaped, and part of the LED lamp panels 121 may also be square plate-shaped, and part of the LED lamp panels 121 may also be special-shaped, which is not limited in this embodiment of the application.
For example, please refer to fig. 4, fig. 4 is a schematic structural diagram of another view angle of the backlight module shown in fig. 1. The LED lamp panel 121 includes a main body portion 121a and a plurality of strip portions 121b connected to the main body portion 121a, the main body portion 121a is arranged along at least one side of the width direction to form a plurality of strip portions 121b, and the strip portions 121b located on the same side of the main body portion 121a are arranged along the length direction of the main body portion 121 a. Specifically, the plurality of stripe portions 121b may be arranged on one side of the body portion 121a in the width direction, or the plurality of stripe portions 121b may be arranged on both sides of the body portion 121a in the width direction.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an LED lamp panel of the backlight module shown in fig. 4. The LED lamp panel 121 may include a substrate 1211, an LED lamp bead 1212, and a driving circuit module electrically connected to the LED lamp bead 1212. The substrate 1211 serves as a main body of the LED lamp panel 121, and the substrate 1211 carries the LED lamp bead 1212 and the driving circuit module. In practical products, the LED beads 1212 are arrayed on the substrate 1211, and the distance between adjacent LED beads 1212 is larger than the area of the LED beads 1212 themselves, i.e. most of the area on the substrate 1211 is actually useless. In the embodiment of the present application, the combined LED lamp panel 121 includes a main body portion 121a and a plurality of strip portions 121b. The substrate 1211 may include a first portion positioned at the body part 121a and a plurality of second portions positioned at the stripe parts 121b. The driving circuit module is arranged on the first portion, the second portion is provided with a plurality of LED lamp beads 1212, and at the moment, the first portion can be provided with the LED lamp beads 1212 or not provided with the LED lamp beads 1212. Then, compared with a complete square substrate bearing the LED lamp bead 1212 and the driving circuit module, the substrate 1211 in the embodiment of the present application has fewer consumables, which can reduce the manufacturing cost of the LED lamp panel 121 and reduce the weight of the LED lamp panel 121.
As shown in fig. 4, in order to facilitate fixing the strip 121b, the assembly member 13 may include at least one first assembly member 13a, and the first assembly member 13a is used to fix the strip 121b. Specifically, the plurality of strip portions 121b are interposed between the pressing strip 131 of the first assembly 13a and the back plate 11.
For example, the LED lamp panel 121 may include a main body portion 121a and a plurality of strip portions 121b disposed on the same side of the main body portion 121 a. At this time, all the bar portions 121b of the same LED lamp panel 121 may be sandwiched between the pressing bar 131 of the first assembly 13a and the back plate 11, so as to press and fix the bar portions 121b of the LED lamp panel 121.
Of course, each strip-shaped portion 121b may be matched with one first assembly member 13a, or may be matched with a plurality of first assembly members 13a, such as two, three, or four first assembly members 13a, according to the length of the strip-shaped portion 121b, which is not limited in this embodiment of the present invention. For example, each of the bars 121b may be fitted with two first fitting parts 13a, and the two first fitting parts 13a may be arranged along the length direction of the bar 121b.
In some embodiments, at least one strip portion 121b is accommodated between two adjacent connecting portions 132 of the first assembly 13 a. For example, one strip-shaped portion 121b may be disposed between every two connecting portions 132 of the first assembly 13a, or two, three, or even four strip-shaped portions 121b may be disposed between every two connecting portions 132 of the first assembly 13a, which is not limited in this embodiment of the application.
In some embodiments, a plurality of LED beads 1212 are arranged on the strip portion 121b, and the LED beads 1212 and the pressing strip 131 pressed on the strip portion 121b are staggered with each other, so as to prevent the light emitted by the LED beads 1212 from being blocked by the pressing strip 131 or prevent the LED beads 1212 from being crushed by the pressing strip 131.
In combination with the LED lamp panel 121 including the substrate 1211, the driving circuit and the LED lamp beads 1212, the pressing strips 131 may be pressed against the second portion of the substrate 1211, and the LED lamp beads 1212 arranged on the second portion and the pressing strips 131 pressed against the second portion are staggered with each other.
Taking the number of the LED lamp panels 121 as an example, two adjacent LED lamp panels 121 are spaced apart from each other. The assembly 13 includes at least one second assembly 13b, and at least two adjacent LED lamp panels are sandwiched between the back panel 11 and the pressing bar 131 of the same second assembly 13 b. Furthermore, the second assembly part 13b can also be used for fixing the two LED lamp panels 121 in a jointed manner.
Specifically, the LED lamp panel 121 combined as described above includes a main body portion 121a and a strip portion 121b. Of the two adjacent LED lamp panels 121, one side (such as the right side) of the main body portion 121a of one LED lamp panel 121, which is away from the strip portion 121b, is pressed by one side (such as the left side) in the width direction of the pressing bar 131 of the second assembly 13b, and one side (such as the left side) of the main body portion 121a of the other LED lamp panel 121, which is away from the strip portion 121b, is pressed by the other side (such as the right side) in the width direction of the pressing bar 131 of the second assembly 13 b. At this time, the length of the body portion 121a may be substantially the same as the length of the pressing bar 131.
The second assembly 13b may be the same shape and size as the first assembly 13a to improve the versatility of the assembly 13, and thus it is not necessary to use a plurality of sets of molds or the like to manufacture the assemblies 13 of different sizes, thereby reducing the manufacturing cost of the assembly 13.
The LED lamp panel 121 includes at least one wiring area. The wiring area is provided with wiring terminals 1213. Specifically, the connection area may be one of the portions of the main body portion 121a, and the connection terminal 1213 may be an input terminal, so that the main control chip of the display device inputs a signal to the LED lamp panel 121 through the input terminal, thereby implementing on/off control of the LED lamp panel 121. Optionally, the connection terminal 1213 may also be a power input terminal, so that the power of the display device can be input to the LED lamp panel 121. It is to be understood that the specific structure of the connection terminal 1213 is not limited in the embodiments of the present application.
It will be appreciated that during the actual assembly process, the connection terminals 1213 need to be plugged to electrically connect with other components of the display device, and in order to prevent the connection areas from being loosened due to uneven stress applied to the connection areas during the plugging process, the assembly 13 includes the extension 133 protruding from the pressing bar 131, and the connection areas are sandwiched between the extension 133 and the back plate 11.
In some embodiments, the connecting portion 132 and the back plate 11 may be detachably connected. For example, the connection portion 132 and the back plate 11 are detachably connected by screwing, clipping or inserting.
Illustratively, a first hole 134 is formed through the connecting portion 132 and the pressing bar 131, and a corresponding second hole is also formed on the back plate 11, and at this time, a fastening screw may be screwed into the first hole 134 after passing through the second hole on the back plate 11.
The backlight module 100 further includes an optical film, which may be a diffuser, a quantum dot film, a brightness enhancement film, a polarizer, etc., and the embodiment of the present application is not limited thereto. The optical film is disposed on one side of the pressing bar 131, which faces away from the back plate 11, in order to support the optical film, the assembly 13 further includes a plurality of supporting pillars 135, the supporting pillars 135 are disposed on one side of the pressing bar 131, which faces away from the back plate 11, and one ends of the supporting pillars 135, which are away from the back plate 11, abut against the optical film.
As shown in fig. 6, fig. 6 is a perspective view of an assembly of the backlight module shown in fig. 4. To enhance the supporting effect of the supporting columns 135 on the optical membrane, the assembly 13 may further include a plurality of supporting portions 136. The supporting portion 136 is disposed on a side of the pressing bar 131 opposite to the supporting column 135, and the supporting portion 136 abuts against the back plate 11. Then, by adding the supporting structure between the pressing bar 131 and the back plate 11, the bearing capacity of the pressing bar 131 can be made higher, and the supporting effect of the supporting columns 135 on the pressing bar 131 on the optical film is also better.
Of course, the optical module may be mounted and fixed on the back plate 11 or on the housing of the display device, besides being supported by the supporting column 135, which is not limited in this embodiment of the application.
In some embodiments, the display device may further include a display structure layer, and the display structure layer may be adhesively fixed to the optical film, may also be adhesively fixed to a housing of the display device, and may also be adhesively fixed to both the optical film and the housing of the display device.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The backlight module 100 and the display device provided in the embodiments of the present application are described in detail above, and specific examples are applied herein to explain the principles and embodiments of the present application, and the description of the embodiments is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A backlight module, comprising:
a back plate;
an LED lamp panel assembly; and
the assembly part, including the connecting portion that compress tightly strip and a plurality of interval set up, each the one end of connecting portion with the backplate is connected, each the other end of connecting portion with compress tightly the strip and connect, LED lamp plate assembly clamp is arranged in the backplate with compress tightly between the strip.
2. The backlight module according to claim 1, wherein the LED lamp panel assembly comprises at least one LED lamp panel, the LED lamp panel comprises a main body portion and a plurality of strip portions connected to the main body portion, the main body portion is provided with a plurality of strip portions arranged along at least one side of the width direction, and the strip portions located on the same side of the main body portion are arranged along the length direction of the main body portion;
the assembly part comprises at least one first assembly part, and a plurality of strip-shaped parts are clamped between the pressing strip of the first assembly part and the back plate.
3. The backlight module according to claim 2, wherein at least one of the strip portions is received between two adjacent connecting portions of the first assembly.
4. The backlight module according to claim 1, wherein the LED lamp panel assembly comprises a plurality of LED lamp panels, and two adjacent LED lamp panels are arranged at intervals;
the assembly part comprises at least one second assembly part, and at least two adjacent LED lamp panel clamps are arranged between the backboard and the pressing strip of the same second assembly part.
5. The backlight module according to claim 4, wherein the LED lamp panel comprises at least one wiring area, and the wiring area is provided with a wiring terminal;
the assembly part comprises an extension part protruding from the pressing strip, and the wiring area is clamped between the extension part and the back plate.
6. The backlight module according to any one of claims 1 to 5, wherein the connecting portion is detachably connected to the back plate.
7. The backlight module according to any one of claims 1 to 5, wherein the assembly further comprises a plurality of supporting pillars, and the plurality of supporting pillars are disposed on a side of the pressing strip facing away from the back plate;
the backlight module further comprises an optical diaphragm, and one end, far away from the back plate, of the supporting column is abutted to the optical diaphragm.
8. The backlight module according to claim 7, wherein the assembly further comprises a plurality of support portions, the support portions are disposed on a side of the pressing bar facing away from the supporting posts, and the support portions abut against the back plate.
9. The backlight module according to any one of claims 1 to 5, wherein the back plate is adhesively fixed to the LED lamp panel assembly.
10. A display device comprising a backlight module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221910361.6U CN218037608U (en) | 2022-07-20 | 2022-07-20 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221910361.6U CN218037608U (en) | 2022-07-20 | 2022-07-20 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218037608U true CN218037608U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221910361.6U Active CN218037608U (en) | 2022-07-20 | 2022-07-20 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218037608U (en) |
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2022
- 2022-07-20 CN CN202221910361.6U patent/CN218037608U/en active Active
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