WO2023060433A1

WO2023060433A1 - Backlight module support structure, backlight module, and display

Info

Publication number: WO2023060433A1
Application number: PCT/CN2021/123258
Authority: WO
Inventors: 邱怡仁; 巫崧辅; 杨欣平
Original assignee: 瑞仪光电(苏州)有限公司
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2023-04-20

Abstract

A backlight module support structure, a backlight module, and a display. The support structure comprises a positioning structure (10) and a joint structure (20); the backlight module comprises a first plate (30), a second plate (40), at least one backlight module support structure, and a light source (50); the display comprises the backlight module and a display panel (60) provided on the backlight module; the positioning structure (10) is made of an elastic material and connected to the first plate (30); the joint structure (20) is connected to the positioning structure (10), and is connected to a fixed position of the second plate (40); the positioning structure (10) is made of the elastic material; and when the first plate (30) and the second plate (40) displace with respect to each other, the positioning structure (10) can generate elastic deformation to make joint structure (20) keep being connected to the fixed position of the second plate (40), such that the second plate (40) can be prevented from being scratched.

Description

Support structure of backlight module, backlight module and display

technical field

The present application relates to a support structure, especially a support structure applied to a backlight module and a display.

Background technique

Today's direct-lit backlight modules include a backplane, a light source and a diffusion plate. The light source is arranged on the backplane. The diffusion plate can receive the light projected by the light source. A plurality of supports are arranged between them to maintain the distance and form a light mixing space, which can make the light emitted by the backlight module uniformly distributed.

However, if the backlight module is subjected to external force such as impact or vibration, causing the diffusion plate to be displaced relative to the back plate and the support, the diffusion plate may be scratched by the support, resulting in The optical effect of the diffuser plate is affected, so there is still room for improvement.

Contents of the invention

The main purpose of the present application is to provide a support structure for the backlight module, so as to improve the current problem that the diffusion plate may be scratched by the support when the backlight module is affected by external force.

In order to achieve the purpose of the aforementioned disclosure, the supporting structure of the backlight module of the present application is arranged between the first plate and the second plate, and includes:

a positioning structure, the opposite ends of the positioning structure are respectively defined as a first end and a second end, and the first end is connected to the first plate; and

an engaging structure connected to the second end of the positioning structure and connected to the fixed position of the second panel;

Wherein, the positioning structure is made of elastic material, and when the relative displacement of the first plate and the second plate occurs, the positioning structure can produce elastic deformation, so that the joint structure remains connected to the second plate the fixed position of the component.

The supporting structure of the backlight module of the present application is connected to the first plate through the first end of the positioning structure, and connected to the fixed position on the second plate through the joint structure, when the first plate or When the second plate is subjected to relative displacement due to external force, since the positioning structure is made of elastic material and can be elastically deformed, the joint structure can remain connected to the fixed position of the second plate without can fall off, so that the second plate can be prevented from being scratched, and the positioning structure can reset the second plate, and can absorb shocks, so as to prevent the second plate from being affected.

In order to achieve the aforementioned disclosure purpose, the backlight module provided by this application further includes:

first panel;

second panel;

a support structure of at least one of the aforementioned backlight modules; and

The light source is arranged between the first board and the second board and can project light to the second board.

In order to achieve the above-mentioned disclosed purpose, the display provided by the present application includes:

As in the aforementioned backlight module, wherein the first plate extends toward the second plate to form a frame wall; and

The display panel is arranged on the frame wall, and the second plate is located between the first plate and the display panel.

In the backlight module of the present application, the first plate can be a back plate, and the second plate can be a diffusion plate. When the display of the present application is subjected to external forces such as impact, the The support structure can effectively prevent the diffusion plate from being scratched or affected, thereby reducing maintenance and production costs.

Description of drawings

FIG. 1 is a schematic diagram of the first preferred embodiment of the supporting structure of the backlight module of the present application.

FIG. 2 is a schematic diagram of the first end of the positioning structure protruding into the first plate in the first preferred embodiment of the supporting structure of the backlight module of the present application.

FIG. 3 is a schematic diagram of the first end of the positioning structure in the shape of a suction cup in the first preferred embodiment of the supporting structure of the backlight module of the present application.

FIG. 4 is a schematic diagram of a second preferred embodiment of the supporting structure of the backlight module of the present application.

FIG. 5 is a schematic diagram of changing the length of the fixing part of the second preferred embodiment of the supporting structure of the backlight module of the present application.

FIG. 6 is a schematic diagram of the elastic deformation of the positioning structure of the supporting structure of the backlight module of the present application.

FIG. 7 is a schematic diagram of the backlight module of the present application.

Figure 8: A schematic diagram of the display of the present application.

Detailed ways

Please refer to FIG. 1 to FIG. 4, which are various preferred embodiments of the supporting structure of the backlight module of the present application. The supporting structure of the backlight module is arranged between the first plate 30 and the second plate 40, and The positioning structure 10 and the joint structure 20 are included, wherein the supporting structure of the backlight module is made of light-transmitting material, and is used to maintain a distance between the first plate 30 and the second plate 40 .

The opposite ends of the positioning structure 10 are respectively defined as a first end 11 and a second end 12, the first end 11 is connected to the first plate 30, preferably, as shown in Figure 1 and Figure 4, the The diameter of the first end 11 is larger than that of the second end 12 to increase the structural strength of the positioning structure 10 .

The joint structure 20 is connected to the second end 12 of the positioning structure 10 and connected to the fixed position of the second plate 40. In a preferred embodiment of the present application, the joint structure 20 is in the shape of a suction cup and can be vacuumed. Adsorbing the second plate 40 can be firmly connected to the fixed position without applying optical glue, and the supporting structure of the backlight module can be disassembled repeatedly, which improves the convenience of maintenance.

Wherein, the positioning structure 10 is made of an elastic material. As shown in FIG. 6, when the relative displacement of the first plate 30 and the second plate 40 occurs, the positioning structure 10 can produce elastic deformation, so that the joint The structure 20 remains connected to the fixed position of the second plate 40, thereby preventing the second plate 40 from being scratched by the engaging structure 20, and the positioning structure 10 enables the second plate 40 Reset to prevent the edge of the second plate 40 from colliding with other components, and absorb shock caused by external force, so as to prevent the second plate 40 from being affected.

In addition, the positioning structure 10 and the joint structure 20 can be two components that can be disassembled from each other, whereby when the positioning structure 10 or the joint structure 20 is damaged or reaches the end of its service life, only the positioning structure 10 can be replaced Or the joint structure 20 can reduce the cost, or the positioning structure 10 and the joint structure 20 can be integrally formed, so that the support structure of the backlight module can be easily assembled and disassembled, so as to reduce the time of assembly work.

There are multiple connection methods between the positioning structure 10 and the first plate 30. In the first preferred embodiment of the present application, the first end 11 of the positioning structure 10 can be coated with optical glue and pasted. on the first plate 30 to reduce production costs; or as shown in FIG. The assembly strength of the first plate 30; or as shown in Figure 3, the first end 11 is in the shape of a suction cup and can be vacuum-adsorbed and fixed on the first plate 30, thereby facilitating Disassemble and change the position of the supporting structure of the backlight module on the first plate 30 , and still have sufficient connection strength.

In the second preferred embodiment of the present application, as shown in FIG. 4, the positioning structure 10 also has a fixing member 13, and the first end 11 is connected to the first plate 30 through the fixing member 13, preferably Specifically, the first plate 30 is provided with a perforation 31 corresponding to the fixing member 13, and the fixing member 13 is detachably arranged on the through hole 31 and the first end 11, so when the manufacturer applies the For product design, when it is desired to adjust the distance between the first plate 30 and the second plate 40, as shown in Figure 5, the manufacturer only needs to replace the fixing parts 13 of different lengths. There is no need to open a mold to manufacture the positioning structure 10 , which effectively reduces the production cost and improves the scope of application of the supporting structure of the backlight module of the present application.

Wherein, in a preferred embodiment of the present application, the fixing part 13 has an assembly part 131 and an extension part 132, the assembly part 131 is arranged on the first end 11, and the connection between the assembly part 131 and the extension part 132 An included angle is formed between them, and the extension part 132 is provided on the other side of the first plate 30 relative to the second plate 40, when the support structure of the backlight module is subjected to the first When the external force separating the plate 30 and the second plate 40 acts, the design of the extension part 132 disposed on the other side of the first plate 30 relative to the second plate 40 can effectively lift the The fixing member 13 connects the strength of the first plate 30 to avoid the separation of the first plate 30 and the second plate 40. Preferably, the first plate 30 is at the corresponding extension 132 is also formed with a fitting groove 32, the depth of the fitting groove 32 is slightly smaller than the diameter of the extension part 132, so that the extension part 132 can be tightly fitted, and the fixing part 13 can be lifted and assembled on the first The strength of the panel 30.

Please refer to FIG. 7, which is a preferred embodiment of the backlight module of the present application, which includes the first plate 30, the second plate 40, and at least one supporting structure of the backlight module as described above. and a light source 50 , the light source 50 is disposed between the first plate 30 and the second plate 40 and can project light on the second plate 40 . In this embodiment, the second plate 40 is a diffuser plate, and the light source 50 has a plurality of light emitting diodes arranged in an array.

Please refer to FIG. 8 , which is a preferred embodiment of the display of the present application, which includes the backlight module and the display panel 60 as mentioned above, wherein the first plate 30 of the backlight module faces the second The plate 40 extends to form a frame wall 33 , the display panel 60 is disposed on the frame wall 33 , and the second plate 40 is located between the first plate 30 and the display panel 60 .

According to the design of the backlight module and the display of different sizes, the first plate 30 of the backlight module can be provided with one or more supporting structures of the backlight module for manufacturers to produce according to their needs. In addition, in the preferred embodiment of the backlight module and the display, the first plate 30 can be a back plate, the second plate 40 can be a diffuser plate, and the The supporting structure of the backlight module is arranged between the back plate and the diffusion plate, so that a light mixing space is formed between the back plate and the diffusion plate. Manufacturers can adjust the size of the light mixing space according to different products. Selecting the fixing members 13 of different lengths can effectively reduce the production cost, and when the display is subjected to external forces such as impacts, the positioning structure 10 of the support structure of the backlight module is designed with elastic materials, which can effectively avoid The diffuser plate is scratched or affected, thereby reducing maintenance and production costs.

To sum up, through the design that the positioning structure 10 is made of elastic material, if the first plate 30 or the second plate 40 undergoes relative displacement due to external force, since the positioning structure 10 can produce elastic deformation, so that the joint structure 20 can remain connected to the fixed position of the second plate 40 without falling off, thereby effectively preventing the second plate 40 from being scratched.

[Description of Reference Signs]

10: Positioning structure

11: First end

12: Second end

13: Fixing piece

131: Organization Department

132: Extension

20: joint structure

30: The first board

31: perforation

32: Fitting groove

33: frame wall

40: Second plate

50: light source

60: display panel

Claims

A support structure of a backlight module, the support structure is arranged between the first board and the second board, the support structure of the backlight module includes:

a positioning structure, the opposite ends of the positioning structure are respectively defined as a first end and a second end, and the first end is connected to the first plate; and

an engaging structure connected to the second end of the positioning structure and connected to the fixed position of the second panel;

Wherein, the positioning structure is made of elastic material, and when the relative displacement of the first plate and the second plate occurs, the positioning structure can produce elastic deformation, so that the joint structure remains connected to the second plate the fixed position of the component.
The supporting structure of the backlight module as claimed in claim 1, wherein the first end of the positioning structure can extend into and be fixed on the first plate.
The supporting structure of the backlight module according to claim 1, wherein the first end of the positioning structure is in the shape of a suction cup, and can be vacuum-adsorbed to be fixed on the first board.
The supporting structure of the backlight module according to claim 1, wherein the positioning structure further has a fixing part, and the first end is connected to the first plate through the fixing part.
The supporting structure of the backlight module according to claim 4, wherein the fixing part has an assembly part and an extension part, the assembly part is arranged at the first end, and a clip is formed between the assembly part and the extension part. angle, and the extension part is provided on the other side of the first board relative to the second board.
The supporting structure of a backlight module as claimed in any one of claims 1 to 5, wherein a diameter of the first end of the positioning structure is larger than a diameter of the second end.
The supporting structure of a backlight module as claimed in any one of claims 1 to 5, wherein the positioning structure and the engaging structure are integrally formed.
The supporting structure of a backlight module according to any one of claims 1 to 5, wherein the joint structure is in the shape of a suction cup, and can vacuum absorb the second plate.
A backlight module comprising:

first panel;

second panel;

at least one supporting structure of the backlight module according to any one of claims 1 to 8; and

The light source is arranged between the first board and the second board and can project light to the second board.
A display comprising:

The backlight module as claimed in claim 9, wherein the first panel extends toward the second panel to form a frame wall; and

The display panel is arranged on the frame wall, and the second plate is located between the first plate and the display panel.