Backlight module and display device

Abstract

The application provides a backlight module, which comprises a back plate and a bearing assembly. The back plate comprises a bottom plate and a side plate assembly. The side plate assembly is arranged at the periphery of the bottom plate and extends to the side of the bottom plate facing the display panel. The bearing assembly comprises a bearing and a support. The bearing is arranged at the side of the side plate assembly opposite to the bottom plate. The display panel is arranged at the side of the bearing opposite to the support. The support is arranged at at least part of the periphery of the bearing and at least part of the side of the side plate assembly. The support is used to support the bearing. The bearing is used to increase the bearing area of the backlight module bearing the display panel, so that the backlight module effectively bears the display panel, thereby avoiding light leakage of the display device. The application also provides a display device with the backlight module.

Description

Technical Field

[0001] This application relates to the field of display technology, and in particular to a backlight module and a display device having the backlight module. Background Technology

[0002] Borderless displays have a higher screen-to-body ratio for the same size and better meet the aesthetic requirements of modern people for display devices. Therefore, borderless displays have broad application prospects.

[0003] A liquid crystal display (LCD) device includes a display panel for display and a backlight module for providing backlighting. The backlight module includes a backplate for supporting the display panel. To accommodate frameless displays, the display panel is placed directly on the backplate. However, the narrow sidewall thickness of the backplate prevents it from effectively supporting the display panel; that is, the backplate does not support the perimeter of the display panel. In the prior art, the backplate is typically divided into a base plate and side plates, which are bonded together to control the wall thickness of the side plates, allowing them to effectively support the display panel. However, during use of the LCD device, the base plate and side plates are prone to detachment, further hindering the side plates' ability to effectively support the display panel. This ineffective support of the display panel by the backplate leads to light leakage in the display device.

[0004] Therefore, how to solve the problem of light leakage in display devices caused by the back plate's inability to effectively support the display panel in the prior art is a problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the purpose of this application is to provide a backlight module and a display device having the backlight module, which aims to solve the problem of light leakage in the display device caused by the back plate not being able to effectively support the display panel in the prior art.

[0006] To address the aforementioned technical problems, this application provides a backlight module for supporting a display panel. The backlight module includes a backplate and a support assembly. The backplate includes a base plate and a side plate assembly. The side plate assembly is disposed at the periphery of the base plate and extends towards the side of the base plate facing the display panel. The support assembly includes a carrier member and a support member. The carrier member is disposed on the side of the side plate assembly opposite to the base plate, and the display panel is disposed on the side of the carrier member opposite to the support member. The support member is disposed at at least a portion of the periphery of the carrier member and at least a portion of the periphery of the side plate assembly. The support member supports the carrier member and increases the load-bearing area of ​​the backlight module supporting the display panel.

[0007] In summary, the backlight module provided in this application embodiment supports the display panel by setting the carrier on the side of the back panel facing the display panel. Compared with the side panel assembly directly supporting the display panel, the carrier has a larger supporting area, thereby enhancing the load-bearing capacity of the backlight module to support the display panel. This allows the display panel to be effectively supported and avoids light leakage from the display device.

[0008] In an exemplary embodiment, the side panel assembly includes two first side panels that are opposite to each other and spaced apart. The two first side panels are respectively disposed on opposite edges of the base plate. The side panel assembly also includes a plurality of snap-fit ​​members, and at least one snap-fit ​​member is disposed on the outer surface of the first side panel. The support member includes two first sub-support members that are opposite to each other. The first sub-support members are disposed on the outer surface of the first side panel, and each first sub-support member has at least one hollow portion that penetrates through the first sub-support member. The position of each hollow portion corresponds to the position of the snap-fit ​​member, and the snap-fit ​​member is accommodated within a portion of the hollow portion. A limiting component is provided in each hollow portion, and the limiting component is used to abut against the snap-fit ​​member to restrict the snap-fit ​​member from moving in the direction facing the base plate of the side panel assembly.

[0009] In an exemplary embodiment, the cutout portion includes a first opening, a second opening, and two third openings. The second opening is located on the side of the first sub-support member away from the carrier member and extends towards the side of the first sub-support member facing the carrier member, and the inner wall of the second opening is connected to the side of the first sub-support member opposite to the carrier member. The first opening is located in the extending direction of the second opening and communicates with the second opening. The two third openings are located on opposite sides of the second opening near the end of the first opening and extend towards opposite ends of the first sub-support member, and each third opening communicates with both the first opening and the second opening. The snap-fit ​​member is accommodated in the first opening, and the limiting component is accommodated in the third opening and a portion of the second opening.

[0010] In an exemplary embodiment, the limiting component includes two elastic members and two limiting members. The elastic members are disposed within a portion of the third opening, and one end of the elastic member is fixedly connected to the inner wall of the third opening. The opposite end of the elastic member extends in the direction of the second opening. The limiting members are disposed at the end of the elastic member facing the second opening, and are located within both a portion of the third opening and a portion of the second opening, with the two limiting members spaced apart. The limiting members abut against the snap-fit ​​member to restrict the snap-fit ​​member from moving in the direction of the side plate assembly facing the bottom plate. The two elastic members control the distance between the two limiting members, such that the two limiting members abut against the snap-fit ​​member or that the two limiting members are offset from the snap-fit ​​member.

[0011] In an exemplary embodiment, the latching member includes a first end and a second end disposed opposite to each other. The first end is the end of the latching member facing away from the limiting member, and the second end is the end of the latching member facing the limiting member. The size of the first end is smaller than the size of the area between the two limiting members, and the size of the second end is larger than the size of the area between the two limiting members.

[0012] In an exemplary embodiment, each of the limiting members includes a first side and a second side, the first side being the portion of the limiting member closer to the carrier, and the second side being the portion of the limiting member farther from the carrier. The distance between the two second sides decreases in the extending direction of the second opening.

[0013] In an exemplary embodiment, the carrier includes two first sub-carriers, a second sub-carrier, and a third sub-carrier, and the support member is disposed at the edges of the two first sub-carriers and the second sub-carrier. At least one groove is formed on the outer side of the third sub-carrier, the groove penetrating the third sub-carrier in the direction facing the side plate assembly, and the groove contains a trace for transmitting electrical signals.

[0014] In an exemplary embodiment, the backlight module further includes a light-emitting component, a diffuser plate, a quantum dot film, and an optical film. The light-emitting component is disposed on the side of the back panel facing the display panel and located inside the side panel assembly. The diffuser plate, the quantum dot film, and the optical film are sequentially stacked on the side of the light-emitting component facing away from the back panel and located inside the side panel assembly.

[0015] In an exemplary embodiment, the backlight module further includes a foolproof element disposed on the side of a portion of the light-emitting components facing away from the backplate. A first notch corresponding to the foolproof element is formed on the diffuser plate, a second notch corresponding to the foolproof element is formed on the quantum dot film, and a third notch corresponding to the foolproof element is formed on the optical film. The foolproof element is accommodated within the first notch, the second notch, and the third notch.

[0016] Based on the same inventive concept, this application also provides a display device, which includes a display panel and the aforementioned backlight module, wherein the display panel is disposed on the light-emitting side of the backlight module.

[0017] In summary, the display device provided in this application includes a display panel and a backlight module. The backlight module supports the display panel by providing a support member on the side of the back panel facing the display panel. Compared with the side panel assembly directly supporting the display panel, the support member has a larger supporting area, thereby enhancing the load-bearing capacity of the backlight module to support the display panel. The display panel can be effectively supported, avoiding light leakage from the display device. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the layer structure of the display device disclosed in the first embodiment of this application;

[0020] Figure 2 This is a schematic diagram of the layer structure of the backlight module disclosed in the second embodiment of this application;

[0021] Figure 3 for Figure 2 A first-view perspective three-dimensional structural diagram of the supporting components of the backlight module shown;

[0022] Figure 4 for Figure 2 A three-dimensional structural diagram of the backplate of the backlight module shown.

[0023] Figure 5 for Figure 2 A three-dimensional structural diagram of the supporting component of the backlight module shown from a second perspective;

[0024] Figure 6 for Figure 3The side view of the supporting component shown;

[0025] Figure 7 for Figure 2 The assembly diagram of the backplate and supporting components is shown.

[0026] Figure 8 for Figure 3 Top view of the supporting component shown;

[0027] Figure 9 for Figure 2 A partially exploded view of the backlight module is shown.

[0028] Figure 10 This is a three-dimensional structural diagram of the rear shell disclosed in the third embodiment of this application;

[0029] Figure 11 for Figure 1 The rear view of the display device shown;

[0030] Figure 12 Figure 10 The cross-sectional view of the rear shell along the AA direction is shown.

[0031] Figure 13 for Figure 4 Rear view of the back panel shown;

[0032] Figure 14 for Figure 10 The front view of the rear shell is shown.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1-Display device; 10-Display panel; 30-Backlight module; 31-Back plate; 311-Base plate; 312-Side plate assembly; 3121-First side plate; 3122-Second side plate; 3123-Third side plate; a-Snap-fit ​​component; a1-First end; a2-Second end; 313-Fixing component; 32-Bearing component; 321-Bearing component; 3211-First sub-bearing component; 3212-Second sub-bearing component; 3213-Third sub-bearing component; 322-Supporting component; 3221-First sub-supporting component; 3222-Second sub-supporting component; b-Hollowed-out portion; b1-First opening; b2-Second opening; b3-Third opening; c1-Elastic component; c2-Limiting component; c21-First side; c22-Second side; e-Groove; 33-Reverse 34-Light-emitting layer; 341-Driving substrate; 342-Light-emitting element; 35-Rubber pad; 36-Diffuser plate; 37-Quantum dot film; 38-Optical film; 39-Fake-proof element; d1-First notch; d2-Second notch; d3-Third notch; 40-Rear shell; 41-Rear shell bottom plate assembly; 411-Rear shell bottom plate; 412-First fixing structure; 413-Second fixing structure; h1-First connecting hole; h2-Second connecting hole; r1-First mounting hole; r2-Second mounting hole; r3-Third mounting hole; 42-Rear shell side plate assembly; 421-First rear shell side plate; 422-Second rear shell side plate; 423-Third rear shell side plate; 44-Fixing assembly; 441-First fixing plate; 442-Second fixing plate; 50-Bracket. Detailed Implementation

[0035] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application.

[0036] The following descriptions of the embodiments are based on the accompanying illustrations and are used to illustrate specific embodiments in which this application can be implemented. The component designations used herein, such as "first," "second," etc., are merely for distinguishing the described objects and do not have any sequential or technical meaning. Unless otherwise specified, the terms "connection" and "linkage" used in this application include both direct and indirect connections (linkages). Directional terms used in this application, such as "up," "down," "front," "rear," "left," "right," "inner," "outer," "side," etc., are merely for reference to the accompanying drawings. Therefore, the use of directional terms is for better and clearer explanation and understanding of this application, and does not indicate or imply that the referred device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this application.

[0037] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joint" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two elements. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances. It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising," "may include," "include," or "may include" used in this application indicate the presence of the corresponding disclosed function, operation, element, etc., and do not limit one or more other functions, operations, elements, etc. Moreover, the terms "comprising" or "include" indicate the presence of the corresponding features, number, steps, operations, elements, components, or combinations thereof disclosed in the specification, but do not exclude the presence or addition of one or more other features, number, steps, operations, elements, components, or combinations thereof, and are intended to cover non-exclusive inclusion. It is also important to understand that “at least one” as described in this article means one or more, such as one, two or three, while “multiple” means at least two, such as two or three, unless otherwise explicitly specified.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of this application.

[0039] Please see Figure 1 , Figure 1 This is a schematic diagram of the layer structure of the display device disclosed in the first embodiment of this application. In this embodiment, the display device 1 may include a display panel 10, a backlight module 30, and a rear shell 40. The display panel 10 is disposed on the light-emitting side of the backlight module 30, and the rear shell 40 is disposed on a portion of the backlight module 30 facing away from the display panel 10 and on a portion of the peripheral side of the display panel 10 and the backlight module 30, wherein the portion of the peripheral side may be one of a plurality of peripheral sides. The backlight module 30 is used to provide backlight, the display panel 10 is used to display images under the backlight provided by the backlight module 30, and the rear shell 40 is used to encapsulate the display panel 10 and the backlight module 30, and to accommodate the circuitry of the display panel 10 and the backlight module 30.

[0040] In this embodiment of the application, the display panel 10 includes a color filter substrate, a liquid crystal layer and an array substrate stacked sequentially, that is, the liquid crystal layer is located between the color filter substrate and the array substrate. The color filter substrate and the array substrate form a corresponding preset electric field according to the image signal. The preset electric field drives the liquid crystal molecules in the liquid crystal layer to deflect to change the transmittance of the liquid crystal layer, so that the display panel displays different grayscale brightness.

[0041] In an exemplary embodiment, the display panel 10 further includes an upper polarizer and a lower polarizer. The upper polarizer is disposed on the side of the color filter substrate facing away from the array substrate, and the lower polarizer is disposed on the side of the array substrate facing away from the color filter substrate. The upper polarizer and the lower polarizer are used to convert natural light backlight into polarized light backlight. The backlight provided by the backlight module passes sequentially through the lower polarizer, the array substrate, the liquid crystal layer, the color filter substrate, and the upper polarizer.

[0042] In an exemplary embodiment, the display panel 10 may be a twisted nematic (TN) display panel, a vertical alignment (VA) display panel, an in-plane switching (IPS) display panel, or a fringe field switching (FFS) display panel; this application does not impose specific limitations on this. The backlight module 30 may be a direct-lit backlight module or an edge-lit backlight module; this application does not impose specific limitations on this.

[0043] Understandably, the display device 1 can be used in electronic devices including but not limited to televisions, tablets, laptops, desktop computers, mobile phones, in-vehicle displays, smartwatches, smart bracelets, and smart glasses. According to the embodiments of this application, the specific type of the display device 1 is not particularly limited, and those skilled in the art can design it accordingly based on the specific usage requirements of the display device 1; further details will not be elaborated here.

[0044] In an exemplary embodiment, the display device 1 may also include other necessary components and parts such as a driver board, a power board, a high-voltage board, and a button control board. Those skilled in the art can make corresponding additions according to the specific type and actual function of the display device 1, which will not be elaborated here.

[0045] Please see Figure 2 , Figure 2This is a schematic diagram of the layer structure of the backlight module disclosed in the second embodiment of this application. In this embodiment, the backlight module 30 includes a back plate 31 and a support assembly 32. The back plate 31 includes a base plate 311 and a side plate assembly 312. The side plate assembly 312 is disposed at the periphery of the base plate 311 and extends towards the side of the base plate 311 facing the display panel 10. The support assembly 32 includes a support member 321 and a support member 322. The support member 321 is disposed on the side of the side plate assembly 312 opposite to the base plate 311. The display panel 10 is disposed on the side of the support member 321 opposite to the support member 322. The support member 322 is disposed at least part of the periphery of the support member 321 and extends towards the side of the support member 321 facing the side plate assembly 312. The support member 322 is disposed on at least part of the periphery of the side plate assembly 312. The support member 322 is used to support the carrier member 321, and the carrier member 321 is used to increase the carrying area of ​​the backlight module 30 supporting the display panel 10.

[0046] It is understood that by providing the support member 321 on the side of the back plate 31 facing the display panel 10 to support the display panel 10, the support member 321 has a larger bearing area compared to the side plate assembly 312 directly supporting the display panel 10. This enhances the bearing capacity of the backlight module 30 in supporting the display panel 10, meaning the display panel 10 can be effectively supported, preventing light leakage from the display device 1. By providing the support member 322 on at least a portion of the periphery of the side plate assembly 312, the side plate assembly 312 and the support member 322 jointly support the support member 321, which is beneficial for the support member 321 to support the display panel 10.

[0047] It should be noted that the side plate assembly 312 is disposed at the periphery of the upper surface of the base plate 311, and the support member 322 is disposed at at least part of the periphery of the lower surface of the bearing member 321.

[0048] In the embodiments of this application, please refer to Figure 2 The wall thickness between the inner and outer sides of the support member 321 is greater than the wall thickness between the inner and outer sides of the side panel assembly 312, that is, the orthographic projection of the side panel assembly 312 on the display panel 10 is located within the orthographic projection of the support member 321 on the display panel 10.

[0049] In an exemplary embodiment, a portion of the support member 322 may be disposed on the periphery of the base plate 311 to enhance the connection between the base plate 311 and the side plate assembly 312. In other exemplary embodiments, the base plate 311 and the side plate assembly 312 may be integrally formed.

[0050] Please see Figure 3 , Figure 3 for Figure 2 The diagram shows a three-dimensional structural schematic of the support component of the backlight module from a first-view perspective. The support component 321 can be a hollow rectangular frame structure.

[0051] Please refer to the embodiments described in this application as well. Figure 4 , Figure 4 for Figure 2 The diagram shows a three-dimensional structural representation of the backplate of the backlight module. The side panel assembly 312 includes two opposing and spaced-apart first side panels 3121, each disposed on one of the opposite edges of the base plate 311. The side panel assembly 312 also includes multiple snap-fit ​​members a, with at least one snap-fit ​​member a disposed on the outer surface of the first side panel 3121. The outer surface refers to the side of the first side panel 3121 facing the support member 321.

[0052] In an exemplary implementation, please refer to Figure 4 The side panel assembly 312 further includes a second side panel 3122 and a third side panel 3123 disposed opposite to each other. The second side panel 3122 is connected to one end of the two first side panels 3121, and the third side panel 3123 is connected to the other end of the two second side panels 3122.

[0053] Please refer to the embodiments described in this application as well. Figure 5 , Figure 6 and Figure 7 , Figure 5 for Figure 2 The second-view three-dimensional structure of the supporting component of the backlight module shown. Figure 6 for Figure 3 The side view of the supporting component is shown. Figure 7 for Figure 2 The diagram shows the assembly of the back panel and the supporting assembly. The support member 322 includes two first sub-support members 3221 arranged opposite to each other, and the first sub-support members 3221 correspond to the first side panel 3121. The first sub-support members 3221 are disposed on the outer side surface of the first side panel 3121. Each first sub-support member 3221 has at least one hollow portion b penetrating through the first sub-support member 3221. The position of each hollow portion b corresponds to the position of the snap-fit ​​member a, and a limiting component c is provided in each hollow portion b. The hollow portion b is used to accommodate the snap-fit ​​member a, and the limiting component c is used to abut against the snap-fit ​​member a to restrict the snap-fit ​​member a from moving in the direction of the side panel assembly facing the bottom plate. The hollow portion b penetrates the inner and outer sides of the first sub-support member 3221.

[0054] It is understood that by accommodating the snap-fit ​​part a through the hollow part b, and by using the limiting component c to abut against the snap-fit ​​part a to restrict the snap-fit ​​part a from moving in the direction of the side plate component facing the bottom plate, the support component 32 and the back plate 31 are fixed.

[0055] It should be noted that you should refer to [link / reference]. Figure 6 The inner wall of the hollow portion b is connected to the side of the first sub-support 3221 opposite to the bearing 321, meaning the inner wall of the hollow portion b is not closed. Therefore, the snap-fit ​​a can extend into the hollow portion b from the unclosed inner wall, and the snap-fit ​​a is accommodated within the hollow portion b and held by the limiting component c.

[0056] In an exemplary embodiment, the support member 322 further includes a second sub-support member 3222, which is connected to one end of the two first sub-support members 3221. That is, the positions of the two first sub-support members 3211 correspond to the positions of the two first sub-support members 3221, and the positions of the second sub-support members 3212 correspond to the positions of the second sub-support members 3222.

[0057] In the embodiments of this application, please refer to Figure 6 The hollow portion b includes a first opening b1, a second opening b2, and two third openings b3. The second opening b2 is located on the side of the first sub-support 3221 away from the carrier 321 and extends towards the side of the first sub-support 3221 facing the carrier 321. The inner wall of the second opening b2 is connected to the side of the first sub-support 3221 opposite to the carrier 321, meaning the inner wall of the second opening b2 is not closed. The first opening b1 is located in the extending direction of the second opening b2 and communicates with the second opening b2. The two third openings b3 are located on opposite sides of the end of the second opening b2 closest to the first opening b1 and extend towards opposite ends of the first sub-support 3221. Each third opening b3 communicates with both the first opening b1 and the second opening b2. The first opening b1 is used to accommodate the snap-fit ​​component a, the second opening b2 is used to accommodate part of the limiting component c, and the third opening b3 is used to accommodate part of the limiting component c.

[0058] It is understood that by placing the snap-fit ​​member a inside the first opening b1 and placing the limiting component c inside the third opening b3 and part of the second opening b2, the portion of the limiting component c placed inside the second opening b2 abuts against the snap-fit ​​member a placed inside the first opening b1, thereby restricting the snap-fit ​​member a from moving towards the side plate assembly 312 facing the bottom plate 311, thus achieving the fixation of the back plate 31 and the support assembly 32.

[0059] In the embodiments of this application, please refer to Figure 5 and Figure 6 The limiting component c includes two elastic elements c1 and two limiting elements c2. The two elastic elements c1 are disposed within a portion of the third opening b3, with one end of each elastic element c1 fixedly connected to the inner wall of the third opening b3, and the other end of each elastic element c1 extending towards the direction of the second opening b2. The limiting element c2 is disposed at the end of each elastic element c1 facing the second opening b2, and is located within a portion of the third opening b3 and a portion of the second opening b2, with the two limiting elements c2 spaced apart. The limiting element c2 is used to abut against the snap-fit ​​a to restrict the snap-fit ​​a from moving towards the side plate assembly 312 facing the bottom plate 311. The two elastic elements c1 are used to control the distance between the two limiting elements c2, such that the two limiting elements c2 abut against the snap-fit ​​a located within the first opening b1 or that the two limiting elements c2 are offset from the snap-fit ​​a.

[0060] It should be noted that the first opening b1 corresponds to the position of the latching member a. The two limiting members c2 being offset from the latching member a means that the two limiting members c2 are moved away from each other until the limiting members c2 no longer abut against the latching member a, that is, the orthographic projection of the latching member a on the support member 321 is located between the orthographic projections of the two limiting members c2 on the support member 321.

[0061] It is understood that by controlling the distance between the two limiting members c2 to be less than the size of the end of the snap-fit ​​a housed in the first opening b1 near the limiting member c2, the limiting member c2 can abut against the snap-fit ​​a, thereby restricting the snap-fit ​​a from moving away from the carrier member 321, thus fixing the back plate 31 to the carrier assembly 32. By controlling the distance between the two limiting members c2 to be greater than the size of the snap-fit ​​a housed in the first opening b1 than the size of one end of the limiting member c2, the limiting member c2 and the snap-fit ​​a can be misaligned, that is, the limiting member c2 no longer abuts against the snap-fit ​​a, and the snap-fit ​​a can be disengaged from the first opening b1, thereby disassembling the back plate 31 from the carrier assembly 32.

[0062] In this embodiment of the application, the second opening b2 is also used to insert a retaining member, which is used to push the limiting member c2 away from the snap-fit ​​member a.

[0063] It is understood that by pushing the limiting member c2 away from the snap-fit ​​member a through the abutment member, the snap-fit ​​member a is dislodged from the first opening b1, thereby realizing the disassembly of the bearing assembly 32 and the back plate 31.

[0064] In an exemplary embodiment, each of the first side plates 3121 may be provided with 1 to 10 of the snap-fit ​​members a, for example, 1, 2, 5, 8, 10, or other numbers. Correspondingly, the number of cutouts b on the first sub-support member 3221 is the same as the number of snap-fit ​​members a.

[0065] Please refer to the embodiments described in this application as well. Figure 7 The snap-fit ​​component a includes a first end a1 and a second end a2 disposed opposite to each other. The first end a1 is the end of the snap-fit ​​component a facing away from the limiting member c2, and the second end a2 is the end of the snap-fit ​​component a facing the limiting member c2. The size of the first end a1 is smaller than the size of the area between the two limiting members c2, the size of the second end a2 is larger than the size of the area between the two limiting members c2, and the inner diameter of the second opening b2 is larger than the maximum size of the snap-fit ​​component a.

[0066] Understandably, the size of the first end a1 is smaller than the size of the spaced area between the two limiting members c2, which facilitates the insertion of the snap-fit ​​member a into the gap formed by the two limiting members c2, thereby pushing the elastic member c1 to compress and causing the limiting members c2 to move in the extending direction of the third opening b3, so that the snap-fit ​​member a can be accommodated in the first opening b1. The size of the second end a2 is larger than the size of the spaced area between the two limiting members c2, preventing the snap-fit ​​member a from falling out of the first opening b1, thereby ensuring the stability of the support assembly 32 and the back plate 31. The size of the snap-fit ​​member a is smaller than the inner diameter of the second opening b2 so that the snap-fit ​​member a can pass through the second opening b2 during the fixation of the support assembly 32 and the back plate 31.

[0067] Please see Figure 7 In this embodiment, the limiting member c2 includes a first side portion c21 and a second side portion c22. The first side portion c21 is the portion of the limiting member c2 closer to the support member 321, and the second side portion c22 is the portion of the limiting member c2 farther from the support member 321. The two first side portions c21 are disposed opposite to each other, and the two second side portions c22 are disposed opposite to each other. Furthermore, the distance between the two second side portions c22 decreases in the extending direction of the second opening b2. The distance between the two first side portions c21 can decrease or increase in the extending direction of the second opening b2; this application does not impose specific limitations on this.

[0068] It is understood that by gradually reducing the distance between the two second side portions c22 in the extending direction of the second opening b2, it is beneficial for the snap-fit ​​a to be inserted into the gap formed by the two limiting portions c2, and thus it is beneficial for the snap-fit ​​a to push open the two limiting portions c2 and be accommodated in the first opening b1.

[0069] Please see Figure 8 , Figure 8 for Figure 3The diagram shows a top view of the support assembly. In this embodiment, the support member 321 includes two first sub-support members 3211, a second sub-support member 3212, and a third sub-support member 3213. The two first sub-support members 3211 are arranged opposite to each other and spaced apart. The second sub-support member 3212 is arranged opposite to and spaced apart from the third sub-support member 3213. The second sub-support member 3212 is connected to one end of the two first sub-support members 3211, and the third sub-support member 3213 is connected to the other end of the two first sub-support members 3211. The support member 322 is disposed at the edges of the two first sub-support members 3211 and the second sub-support member 3212, meaning that the support member 322 is not disposed at the edge of the third sub-support member 3213. At least one groove e is provided on the outer side of the third sub-carrier 3213. The groove e penetrates the third sub-carrier 3213 in the direction facing the side plate assembly 312. The groove e contains a trace for transmitting electrical signals, wherein the trace may be a chip on film (COF).

[0070] It should be noted that the outer side of the third sub-support member 3213 refers to the side of the third sub-support member 3213 that is opposite to the second sub-support member 3212.

[0071] It is understood that by placing traces for transmitting electrical signals within the groove e, the traces are introduced from the periphery of the display panel 10 to the side of the backlight module 30 facing away from the display panel 10, making the display device 1 look neat and beautiful, and improving the heat dissipation capacity of the display device 1.

[0072] In the embodiments of this application, please refer to Figure 2 The backlight module 30 further includes a reflective layer 33 and a light-emitting component 34. The reflective layer 33 is disposed on the side of the base plate 311 facing the display panel 10 and located inside the side panel assembly 312. The light-emitting component 34 includes a driving substrate 341 and light-emitting elements 342. The driving substrate 341 is disposed on the side of the reflective layer 33 opposite to the base plate 311 and located inside the side panel assembly 312. A plurality of light-emitting elements 342 are disposed on the side of the driving substrate 341 opposite to the reflective layer 33, and the light-emitting elements 342 are used to emit blue light. The reflective layer 33 is used to reflect the light emitted from the bottom side of the driving substrate 341 to the light-emitting side of the backlight module 30, thereby improving light utilization.

[0073] In an exemplary embodiment, the light-emitting element 342 may be a mini-light-emitting diode (Mini-LED).

[0074] In the embodiments of this application, please refer to Figure 2 The backlight module 30 further includes a rubber pad 35 and a diffuser plate 36. The rubber pad 35 is disposed on the periphery of the reflective layer 33, facing away from the base plate 311, and located on the periphery of the driving substrate 341. The rubber pad 35 contacts the inner side of the side plate assembly 312, and multiple light-emitting elements 342 are located inside the rubber pad 35. The rubber pad 35 can be a hollow annular structure. The diffuser plate 36 is disposed on the side of the rubber pad 35 facing away from the base plate 311 and covers multiple light-emitting elements 342. The rubber pad 35 supports the diffuser plate 36, and the diffuser plate 36 effectively scatters the light emitted by the light-emitting elements 342, resulting in more uniform backlighting provided by the backlight module.

[0075] In the embodiments of this application, please refer to Figure 2 The backlight module 30 further includes a quantum dot film layer 37, which is disposed on the side of the diffuser plate 36 opposite to the driving substrate 341 and located inside the side plate assembly 312. The quantum dot film layer 37 is used to convert the blue light emitted by the plurality of light-emitting elements 342 into white light.

[0076] In the embodiments of this application, please refer to Figure 2 The backlight module 30 also includes an optical film 38, which is disposed on the side of the quantum dot film layer 37 opposite to the diffuser plate 36 and located inside the side plate assembly 312. The optical film 38 is used to brighten the light and make the light more uniform.

[0077] In an exemplary embodiment, the optical film 38 includes at least one diffuser and at least one prism sheet. The diffuser is disposed on the side of the quantum dot film 37 opposite to the diffuser plate 36, and the prism sheet is disposed on the side of the diffuser opposite to the quantum dot film 37. The diffuser is used to make the light more uniform, and the prism sheet is used to increase the brightness of the light.

[0078] It is understood that the light-emitting component 34 is disposed on the side of the back plate 31 facing the display panel 10, and the diffuser plate 36, the quantum dot film layer 37 and the optical film 38 are sequentially stacked on the side of the light-emitting component 34 facing away from the back plate 31, so that the backlight module 30 provides backlight to the display panel 10, thereby enabling the display panel 10 to display an image.

[0079] Please see Figure 9 , Figure 9 for Figure 2The diagram shows a partial exploded view of the backlight module. In this embodiment, the backlight module 30 further includes a foolproof element 39, which is disposed at one corner of the rubber pad 35 on the side opposite to the light-emitting component 34, i.e., the foolproof element 39 is disposed on the side of the light-emitting component 34 opposite to the base plate 311. The diffuser plate 36 has a first notch d1 corresponding to the foolproof element 39, the quantum dot film layer 37 has a second notch d2 corresponding to the foolproof element 39, and the optical film 38 has a third notch d3 corresponding to the foolproof element 39. The foolproof element 39 is accommodated within the first notch d1, the second notch d2, and the third notch d3.

[0080] It is understood that the foolproof element 39 is housed within the first notch d1, the second notch d2, and the third notch d3, so that during the assembly of the backlight module 30, the first notch d1, the second notch d2, and the third notch d3 cooperate with the foolproof element 39 to place the diffuser plate 36, the quantum dot film layer 37, and the optical film 38 in the correct positions, thereby ensuring the correct assembly of the backlight module 30 and improving the assembly efficiency of the backlight module 30.

[0081] Please see Figure 10 , Figure 10 This is a three-dimensional structural diagram of the back cover disclosed in the third embodiment of this application. In this embodiment, the back cover 40 is located on the side of a portion of the backlight module 30 facing away from the display panel 10 and on the periphery of a portion of the backlight module 30. The back cover 40 is used to protect the display panel 10 and the backlight module 30, and to accommodate the wiring of the display panel 10 and the backlight module 30. The back cover 40 includes a back cover bottom plate assembly 41 and a back cover side plate assembly 42 connected to each other. The back cover side plate assembly 42 is disposed at the periphery of the back cover bottom plate assembly 41 and extends towards the side of the back cover bottom plate assembly 41 facing the backlight module 30.

[0082] It is understood that the rear shell side panel assembly 42 extends toward the side of the rear shell bottom plate assembly 41 facing the backlight module 30, that is, the rear shell side panel assembly 42 and the rear shell bottom plate assembly 41 form a cavity and the opening of the cavity faces the backlight module 30. The cavity is used to accommodate the circuitry of the display device 1.

[0083] Please see Figure 11 , Figure 11 for Figure 1The rear view of the display device is shown. The display device 1 may also include a bracket 50, which is disposed on the side of the rear shell 40 away from the backlight module 30, that is, the bracket 50 is disposed on the side of the rear shell bottom plate assembly 41 away from the backlight module 30, and the bracket 50 is used to support the rear shell 40.

[0084] Please refer to the embodiments described in this application as well. Figure 10 , Figure 11 and Figure 12 , Figure 12 for Figure 10 The diagram shows a cross-sectional view of the rear housing along the AA direction. The rear housing base plate assembly 41 includes a rear housing base plate 411, which is disposed on the side of a portion of the backlight module 30 facing away from the display panel 10 and spaced apart from the backlight module 30. The rear housing base plate 411 has a first mounting hole h1 penetrating through it. The rear housing base plate assembly 41 also includes a first fixing structure 412, which is disposed on the side of the rear housing base plate 411 facing the backlight module 30 and covers the first mounting hole h1.

[0085] It is understood that by opening multiple first mounting holes r1 on the first fixing structure 412, the bracket 50 can be assembled from the side of the rear shell bottom plate 411 facing away from the backlight module 30 through the mounting accessories to the first mounting holes r1 to fix the bracket 50 to the rear shell 40. By setting the side of the rear shell bottom plate 411 facing the backlight module 30 and covering the first mounting holes h1 by the first fixing structure 412, the mounting accessories assembled into the first mounting holes r1 can be prevented from protruding from the side of the rear shell bottom plate 411 facing away from the backlight module 30, thereby making the appearance of the display device 1 neat and beautiful.

[0086] In an exemplary embodiment, the first fixing structure 412 extends toward the side of the rear shell bottom plate 411 facing the backlight module 30, and the first fixing structure 412 has a cavity that communicates with the first mounting hole r1, and the first mounting hole r1 communicates with the cavity.

[0087] Please refer to the following: Figure 10 and Figure 12In this embodiment, the rear shell bottom plate 411 has at least one second mounting hole h2 penetrating through it. The rear shell bottom plate assembly 41 further includes at least one second fixing structure 413, which is disposed on the side of the rear shell bottom plate 411 facing the backlight module 30 and covers the second mounting hole h2. The number of second mounting holes h2 can be two, with the two second mounting holes h2 located on opposite sides of the first mounting hole h1, and correspondingly, the two second fixing structures 413 located on opposite sides of the first fixing structure 412.

[0088] In the embodiments of this application, please refer to Figure 13 , Figure 13 for Figure 4 The diagram shows a rear view of the back panel. The back panel 31 also includes at least one fastener 313, which is disposed on the side of the base plate 311 opposite to the side panel assembly 312. The fastener 313 is fixedly connected to the base plate 311, and its position corresponds to the position of the second fixing structure 413. The fastener 313 also has multiple third mounting holes r3 corresponding to the positions of the multiple second mounting holes r2. Assembly parts are fitted into the second mounting holes r2 and the third mounting holes r3 to fix the back panel 31 and the rear shell base plate 411, thereby fixing the backlight module 30 and the rear shell 40. The assembly parts may be screws.

[0089] It is understood that by setting the rear shell bottom plate 411 facing the backlight module 30 and covering the second mounting hole h2 through the second fixing structure 413, the fittings assembled into the second mounting hole r2 and the third mounting hole r3 can be prevented from protruding from the side of the rear shell bottom plate 411 facing away from the backlight module 30, thereby making the appearance of the display device 1 neat and beautiful.

[0090] In an exemplary embodiment, the second fixing structure 413 extends toward the side of the rear shell bottom plate 411 facing the backlight module 30, and the second fixing structure 413 has a cavity that communicates with the second mounting hole r2, and the second mounting hole r2 communicates with the cavity.

[0091] Please refer to the following: Figure 8 and Figure 10In this embodiment of the application, the rear shell side panel assembly 42 includes two first rear shell side panels 421, a second rear shell side panel 422, and a third rear shell side panel 423. The two first rear shell side panels 421 are arranged opposite to each other and spaced apart. The second rear shell side panel 422 and the third rear shell side panel 423 are arranged opposite to each other and spaced apart. The second rear shell side panel 422 is connected to one end of the two first rear shell side panels 421, and the third rear shell side panel 423 is connected to the other end of the two first rear shell side panels 421. The position of the third rear shell side panel 423 corresponds to the position of the third sub-support member 3213.

[0092] Please refer to the following: Figure 1 and Figure 14 , Figure 14 This is a front view of the rear shell shown in Figure 10. In this embodiment of the application, the rear shell 40 further includes the fixing component 44, which is disposed on the side of the third rear shell side plate 423 opposite to the rear shell bottom plate 411, and is located on one side of the backlight module 30 and one side of the display panel 10, and is in contact with the third sub-carrier 3213.

[0093] In an exemplary implementation, please refer to Figure 14 The fixing assembly 44 includes a first fixing plate 441 and a second fixing plate 442. The first fixing plate 441 is disposed on the side of the third rear shell side plate 423 opposite to the rear shell bottom plate 411. The second fixing plate 442 is disposed on the side of the first fixing plate 441 opposite to the rear shell bottom plate 411 and extends towards the side of the first fixing plate 441 facing the backlight module 30, such that a portion of the second fixing plate 442 is located on the side of the display panel 10 opposite to the backlight module 30. Adhesive is applied to the contact surfaces of the first fixing plate 441 and the backlight module 30, and to the contact surfaces of the second fixing plate 442 and the display panel 10, respectively. The adhesive fixes the first fixing plate 441 to the backlight module 30 and the second fixing plate 442 to the backlight module 30 and the display panel 10, respectively.

[0094] It is understood that by tightly connecting the fixing component 44 to one side of the display panel 10 and the backlight module 30, the fixation between the display panel 10, the backlight module 30 and the back cover 40 is further strengthened, while preventing the display device 1 from leaking light from this side.

[0095] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0096] It should be understood that the application of this application is not limited to the examples above. Those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims. Those skilled in the art will understand that implementing all or part of the processes of the above embodiments, and making equivalent changes according to the claims of this application, still falls within the scope of this application.

Claims

1. A backlight module for supporting a display panel, characterized in that, The backlight module includes a back plate and a support assembly. The back plate includes a bottom plate and a side plate assembly. The side plate assembly is disposed at the periphery of the bottom plate and extends towards the side of the bottom plate facing the display panel. The support assembly includes a support member and a support member. The support member is disposed on the side of the side plate assembly opposite to the bottom plate. The display panel is disposed on the side of the support member opposite to the support member. The support member is disposed at at least a portion of the periphery of the support member and at least a portion of the periphery of the side plate assembly. The support member is used to support the carrier member, and the carrier member is used to increase the bearing area of ​​the backlight module supporting the display panel. The side panel assembly includes two first side panels that are arranged opposite to each other and spaced apart. The two first side panels are respectively disposed on opposite edges of the base plate. The side panel assembly also includes a plurality of snap-fit ​​members, and at least one snap-fit ​​member is disposed on the outer surface of the first side panel. The support member includes two first sub-support members that are arranged opposite to each other. The first sub-support members are disposed on the outer surface of the first side panel. Each first sub-support member has at least one hollow portion that penetrates through the first sub-support member. The position of each hollow portion corresponds to the position of the snap-fit ​​member. The snap-fit ​​member is accommodated in a portion of the hollow portion. A limit component is disposed in each hollow portion. The limiting assembly includes two elastic members and two limiting members. The elastic members are disposed within a portion of the third opening of the hollow portion, and one end of the elastic member is fixedly connected to the inner wall of the third opening. The other end of the elastic member extends toward the direction of the second opening of the hollow portion. The limiting members are disposed at the end of the elastic member facing the second opening. The limiting members are located within a portion of the third opening and a portion of the second opening, and the two limiting members are spaced apart. The limiting members are used to abut against the snap-fit ​​member to restrict the snap-fit ​​member from moving toward the side plate assembly facing the bottom plate. The two elastic members are used to control the distance between the two limiting members, such that the two limiting members abut against the snap-fit ​​member or that the two limiting members are offset from the snap-fit ​​member. The second opening extends toward the side of the first sub-support member facing the carrier member, and the two third openings extend toward opposite ends of the first sub-support member. Each third opening communicates with the second opening.

2. The backlight module as described in claim 1, characterized in that, The hollowed-out portion includes a first opening, a second opening located on the side of the first sub-support member away from the carrier member, and the inner wall of the second opening is connected to the side of the first sub-support member opposite to the carrier member. The first opening is located in the extending direction of the second opening and communicates with the second opening. The two third openings are located on opposite sides of the end of the second opening that is close to the first opening. The snap-fit ​​component is housed within the first opening.

3. The backlight module as described in claim 2, characterized in that, The snap-fit ​​component includes a first end and a second end disposed opposite to each other. The first end is the end of the snap-fit ​​component facing away from the limiting component, and the second end is the end of the snap-fit ​​component facing the limiting component. The size of the first end is smaller than the size of the area between the two limiting members, and the size of the second end is larger than the size of the area between the two limiting members.

4. The backlight module as described in claim 2, characterized in that, Each of the limiting members includes a first side portion and a second side portion, the first side portion being the portion of the limiting member closer to the carrier member, and the second side portion being the portion of the limiting member farther from the carrier member, wherein the distance between the two second side portions decreases in the extending direction of the second opening.

5. The backlight module as described in any one of claims 1-4, characterized in that, The carrier includes two first sub-carriers, a second sub-carrier, and a third sub-carrier, and the support is disposed at the edge of the two first sub-carriers and the second sub-carrier; At least one groove is provided on the outer side of the third sub-support member. The groove penetrates the third sub-support member in the direction facing the side plate assembly. The groove contains a trace for transmitting electrical signals.

6. The backlight module as described in any one of claims 1-4, characterized in that, The backlight module further includes a light-emitting component, a diffuser plate, a quantum dot film, and an optical film. The light-emitting component is disposed on the side of the back panel facing the display panel and located inside the side panel assembly. The diffuser plate, the quantum dot film, and the optical film are sequentially stacked on the side of the light-emitting component facing away from the back panel and located inside the side panel assembly.

7. The backlight module as described in claim 6, characterized in that, The backlight module also includes a foolproof element, which is disposed on the side of a portion of the light-emitting components facing away from the back plate. A first notch corresponding to the foolproof element is formed on the diffuser plate, a second notch corresponding to the foolproof element is formed on the quantum dot film, and a third notch corresponding to the foolproof element is formed on the optical film. The foolproof element is housed within the first notch, the second notch, and the third notch.

8. A display device, characterized in that, It includes a display panel and a backlight module as described in any one of claims 1-7, wherein the display panel is disposed on the light-emitting side of the backlight module.

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