CN220584514U

CN220584514U - Backlight module and display device

Info

Publication number: CN220584514U
Application number: CN202321840230.XU
Authority: CN
Inventors: 余玲强
Original assignee: Huizhou Shiwei New Technology Co Ltd
Current assignee: Huizhou Shiwei New Technology Co Ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-03-12
Anticipated expiration: 2033-07-12

Abstract

The embodiment of the application provides a backlight module and display device, the backlight module includes: the back plate is provided with a front side and a back side which are oppositely arranged along the display direction of the backlight module; the elastic buckle fixing piece is arranged in the edge area of the front side of the backboard, and a clamping groove is formed in the elastic buckle fixing piece; the optical film is provided with a clamping flange part which is clamped in the clamping groove.

Description

Backlight module and display device

Technical Field

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

Background

In a display device, an optical film needs to be disposed on a back plate. In the related art, some display devices selectively provide a hanging tab on the back plate and a hanging hole on the optical film, and the optical film is positioned on the back plate by the cooperation of the hanging tab and the hanging hole. The suspension mode of the suspension lugs easily causes the problems of scratch, arching deformation and the like of the optical film, thereby causing poor visual effect of the display equipment.

Disclosure of Invention

The embodiment of the application provides a backlight module and a display device, which can prevent an optical film from being scratched or arched and deformed and improve the display visual effect.

In one aspect, an embodiment of the present application provides a backlight module, including: the back plate is provided with a front side and a back side which are oppositely arranged along the display direction of the backlight module; the elastic buckle fixing piece is arranged in the edge area of the front side of the backboard, and a clamping groove is formed in the elastic buckle fixing piece; the optical film is provided with a clamping flange part which is clamped in the clamping groove.

In some embodiments, the back plate includes a bottom wall, a peripheral wall and a folded wall portion, the peripheral wall is disposed on the bottom wall, the folded wall portion is disposed on a side surface of the peripheral wall and is disposed at an interval relative to the bottom wall, the peripheral wall and the folded wall portion enclose to form a containing groove portion, and the elastic fastening member is embedded in the containing groove portion.

In some embodiments, the backlight module includes a plurality of elastic snap fasteners, and the plurality of elastic snap fasteners are sequentially arranged at intervals along the extending direction of the accommodating groove portion; the optical film is provided with a plurality of clamping flange parts, and the clamping flange parts and the elastic clamping fixing parts are equal in number and are clamped in one-to-one correspondence.

In some embodiments, the elastic buckle fixing piece is respectively adhered and fixed with the bottom wall, the peripheral wall and the folded wall part.

In some embodiments, the backlight module further comprises a diffusion plate, the diffusion plate and the optical film being stacked; the diffusion plate is provided with an avoidance notch part, and the avoidance notch part and the elastic buckle fixing piece are correspondingly arranged.

In some embodiments, the backlight module comprises a plurality of elastic buckle fixing pieces, a plurality of avoidance notch parts are arranged on the diffusion plate, and the plurality of avoidance notch parts and the plurality of elastic buckle fixing pieces are equal in number and are arranged in a one-to-one correspondence manner.

In some embodiments, the snap flange portion has a barb structure comprising an inverted hook portion and a connector portion having one end connected to a central region of the barb portion and the other end connected to a main body portion of the optical film.

In some embodiments, the optical film includes a main body portion, the clamping flange portion is formed on one side of the main body portion in a protruding manner, and the protruding direction of the clamping flange portion is perpendicular to the side of the main body portion and is located in a plane of the main body portion.

In some embodiments, a positioning score line is provided on the front side of the back plate, and the positioning score line and the elastic buckle fixing member are correspondingly provided.

On the other hand, an embodiment of the present application provides a display device, including the backlight module provided in any one of the embodiments.

According to the embodiment of the application, the elastic buckle fixing piece is arranged to serve as the middle connecting piece, so that elastic contact is formed between the clamping flange part and the clamping groove by utilizing the elastic characteristic of the elastic buckle fixing piece, scratches, possibly caused by rigid contact, of the optical film can be avoided, and the safety of the optical film in the assembly and use processes is protected; on the other hand, the optical film does not need to be provided with a hanging hole and has a complete plane structure, so that larger pulling stress and arching deformation of the optical film caused by the larger pulling stress can be avoided at the position of the opening, and the display visual effect of the backlight module and the display device is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a partial sectional view of a backlight module according to some embodiments of the present application;

FIG. 2 is a partial cross-sectional view of a backlight module according to some embodiments of the present disclosure;

FIG. 3 is a partial block diagram of an optical film of a backlight module according to some embodiments of the present disclosure;

fig. 4 is a partial block diagram of a diffusion plate of a backlight module according to some embodiments of the present application.

Description of main reference numerals:

1-back plate, 11-bottom wall, 12-peripheral wall, 13-folded wall part, 2-elastic buckle fixing piece, 21-clamping groove, 3-optical film, 31-clamping flange part, 311-barb sub part, 312-connector sub part, 32-main body part, 4-diffusion plate and 41-avoidance notch part.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

"A and/or B" includes the following three combinations: only a, only B, and combinations of a and B.

The use of "adapted" or "configured to" in this application is meant to be open and inclusive language that does not exclude devices adapted or configured to perform additional tasks or steps. In addition, the use of "based on" is intended to be open and inclusive in that a process, step, calculation, or other action "based on" one or more of the stated conditions or values may be based on additional conditions or beyond the stated values in practice.

In this application, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes have not been shown in detail to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

As shown in fig. 1, in one aspect, the embodiment of the present application provides a backlight module, which includes a back plate 1, an elastic buckle fixing member 2 and an optical film 3, so as to prevent the optical film 3 from being scratched or deformed by arching, and improve the display visual effect.

The back plate 1 has a front side and a back side which are disposed opposite to each other along a display direction of the backlight module, and the display panel may be disposed on a side of the front side of the back plate 1 away from the back side. The elastic fastening fixing piece 2 is arranged in the edge area of the front side of the backboard 1, and the elastic fastening fixing piece 2 is provided with a clamping groove 21. The elastic buckle fixing piece 2 is made of elastic materials and has elastic deformation characteristics; the material for manufacturing the elastic buckle fixing member 2 may be determined according to actual needs, and may be, for example, rubber, silica gel, foam, etc., which is not limited in this embodiment.

The optical film 3 is provided with a locking flange 31, and the locking flange 31 is locked in the locking groove 21. Based on the elastic deformation characteristic of the elastic buckle fixing piece 2, when the clamping flange portion 31 is embedded in the clamping groove 21, the elastic buckle fixing piece 2 can clamp the clamping flange portion 31 in an elastic deformation mode, so that the clamping flange portion 31 is reliably clamped in the clamping groove 21, and accidental separation cannot occur.

Compared with the related art, the backlight module provided by the embodiment of the application is provided with the elastic buckle fixing piece 2 as the middle connecting piece, so that on one hand, due to the elastic characteristic of the elastic buckle fixing piece 2, the elastic contact is formed between the clamping flange part 31 and the clamping groove 21, the scratch of the optical film 3, which is possibly caused by rigid contact, can be avoided, and the safety of the optical film 3 in the assembly and use process is protected; on the other hand, the optical film 3 has a complete plane structure without a hanging hole, so that larger pulling stress and arching deformation of the optical film 3 caused by the larger pulling stress can be avoided at the position of the hole due to the hole, thereby improving the display visual effect of the backlight module and the display device.

The structure of the back plate 1 may be determined according to actual needs, and the embodiment of the present application is not limited thereto. As shown in fig. 1-2, in some embodiments, the back panel 1 may include a bottom wall 11, a peripheral wall 12, and a folded wall portion 13. The peripheral wall 12 is provided on the bottom wall 11 and around the bottom wall 11, and the folded wall portion 13 is provided on one side surface of the peripheral wall 12 and is provided at a distance from the bottom wall 11; in this way, the bottom wall 11, the peripheral wall 12 and the folded wall portion 13 enclose to form a receiving groove portion, and the elastic snap fastener 2 can be embedded in the receiving groove portion. In this way, the elastic snap fastener 2 can be reliably arranged on the back plate 1 by the accommodating groove part, and the connection reliability between the elastic snap fastener 2 and the back plate 1 and the supporting reliability of the elastic snap fastener 2 on the optical membrane 3 can be increased.

In some examples, the backlight module may include a plurality of elastic snap fixtures 2, and the plurality of elastic snap fixtures 2 may be sequentially spaced along the extending direction of the receiving groove portion; correspondingly, the optical film 3 may be provided with a plurality of clamping flange portions 31, and the plurality of clamping flange portions 31 and the plurality of elastic clamping fixtures 2 are equal in number and are correspondingly clamped one by one. In this way, the optical film 3 can be fixed on the back plate 1 through a plurality of elastic buckle fixing pieces 2, and the connection strength and stability of the optical film 3 on the back plate 1 are increased by utilizing multi-point positioning connection.

The fixing manner of the elastic buckle fixing member 2 in the accommodating groove portion may be determined according to actual needs, and one or more fixing manners such as elastic clamping, bonding and the like may be adopted, which is not limited in the embodiment of the present application. In some examples, the elastic snap fastener 2 may be adhesively fixed to the bottom wall 11, the peripheral wall 12, and the folded wall portion 13, respectively, and the reliable fixation may be achieved by using an adhesive manner.

The installation position of the clamping flange 31 on the optical film 3 can be determined according to actual needs, and the embodiment of the present application is not limited thereto. As shown in fig. 3, in some embodiments, the optical film 3 may include a main body portion 32, where the clamping flange portion 31 is formed on a side of the main body portion 32 in a protruding manner, and the protruding direction of the clamping flange portion 31 is perpendicular to the side of the main body portion 32 and is located in a plane of the main body portion 32. Here, one side of the main body 32 may be a long side or a wide side of the main body 32, which is not limited in the embodiment of the present application.

The structure of the engagement flange portion 31 may be determined according to actual needs, and this is not limited in the embodiment of the present application. In some embodiments, the snap flange portion 31 may have a barb structure including an inverted hook portion 311 and a connector portion 312, one end of the connector portion 312 being connected to a middle region of the barb portion 311 and the other end being connected to the main body portion 32 of the optical film 3. By adopting the barb structure, the clamping flange part 31 and the clamping groove 21 have higher connection reliability when being clamped, and accidental falling and separation are avoided.

In some embodiments, the front side of the back plate 1 may be provided with positioning score lines, and the positioning score lines and the elastic snap fixtures 2 are correspondingly arranged. By setting the positioning score line, the elastic buckle fixing member 2 can be positioned accurately and conveniently when being mounted on the backboard 1, so that the elastic buckle fixing member 2 is accurately arranged at the target position of the backboard 1.

As shown in fig. 4, in some embodiments, the backlight module may further include a diffusion plate 4, and the diffusion plate 4 and the optical film 3 are stacked. The diffuser plate 4 may be provided with a notch 41, where the notch 41 and the elastic fastening fixing member 2 are disposed correspondingly, so that the diffuser plate 4 is avoided at the position of the elastic fastening fixing member 2, and interference and obstruction generated when the optical film 3 and the elastic fastening fixing member 2 are connected are avoided.

In some examples, the backlight module may include a plurality of elastic fastening members 2, and the diffusion plate 4 may be provided with a plurality of avoidance notches 41, where the plurality of avoidance notches 41 and the plurality of elastic fastening members 2 are equal in number and are disposed in a one-to-one correspondence. In this way, the diffuser plate 4 can be retracted at the location of each elastic snap fastener 2.

As shown in fig. 1 to 3, in another aspect, a display device is provided according to an embodiment of the present application, where the display device includes the backlight module provided in any one of the above embodiments. The type of the display device may be determined according to actual needs, and may be a special display device such as a television, a display, or a business display, or may be an electronic device having a display function component such as a mobile phone, a tablet computer, or a wearable device, which is not limited in the embodiment of the present application.

The backlight module and the display device provided by the embodiments of the present application are described in detail, and specific examples are applied to illustrate the principles and embodiments of the present application, and the description of the above embodiments is only used to help understand the method and core ideas of the present application; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.

Claims

1. A backlight module, comprising:

the back plate is provided with a front side and a back side which are oppositely arranged along the display direction of the backlight module;

the elastic buckle fixing piece is arranged in the edge area of the front side of the backboard, and a clamping groove is formed in the elastic buckle fixing piece;

the optical film is provided with a clamping flange part which is clamped in the clamping groove.

2. The backlight module according to claim 1, wherein the back plate comprises a bottom wall, a peripheral wall and a folded wall portion, the peripheral wall is disposed on the bottom wall, the folded wall portion is disposed on a side surface of the peripheral wall and is disposed at an interval relative to the bottom wall, the peripheral wall and the folded wall portion enclose to form a receiving groove portion, and the elastic fastening member is embedded in the receiving groove portion.

3. The backlight module according to claim 2, wherein the backlight module comprises a plurality of elastic snap fasteners, and the plurality of elastic snap fasteners are sequentially arranged at intervals along the extending direction of the accommodating groove part; the optical film is provided with a plurality of clamping flange parts, and the clamping flange parts and the elastic clamping fixing parts are equal in number and are clamped in one-to-one correspondence.

4. A backlight module according to claim 2, wherein the elastic snap fastener is adhered and fixed to the bottom wall, the peripheral wall and the folded wall portion, respectively.

5. The backlight module according to claim 1, further comprising a diffusion plate, the diffusion plate and the optical film being stacked; the diffusion plate is provided with an avoidance notch part, and the avoidance notch part and the elastic buckle fixing piece are correspondingly arranged.

6. The backlight module according to claim 5, wherein the backlight module comprises a plurality of elastic buckle fixing members, a plurality of avoidance notch portions are arranged on the diffusion plate, and the plurality of avoidance notch portions and the plurality of elastic buckle fixing members are equal in number and are arranged in one-to-one correspondence.

7. A backlight module according to claim 1, wherein the clamping flange portion has a barb structure including an inverted hook portion and a connector portion, one end of the connector portion being connected to a middle region of the barb portion, and the other end being connected to a main body portion of the optical film.

8. A backlight module according to claim 1, wherein the optical film comprises a main body portion, the clamping flange portion is formed on one side of the main body portion in a protruding mode, and the protruding direction of the clamping flange portion is perpendicular to the side of the main body portion and is located in a plane of the main body portion.

9. The backlight module according to claim 1, wherein a positioning score line is provided on a front side of the back plate, and the positioning score line and the elastic buckle fixing member are correspondingly disposed.

10. A display device comprising the backlight module of any one of claims 1 to 9.