Backlight module preparation process and backlight module

Abstract

The application relates to a backlight module preparation process and a backlight module, and relates to the backlight device field. The backlight module preparation process comprises the following steps: providing a light-reflecting material and a light-emitting module, the light-emitting module being defined with a light-emitting surface and a backlight surface opposite to each other, and a side surface connecting the light-emitting surface and the backlight surface; connecting the light-reflecting material to the backlight surface and / or the side surface of the light-emitting module; and splicing the light-emitting module so that the light-reflecting material shields and / or fills the joint gaps between the light-emitting modules. Compared with a traditional mode, the controllability and adjustability are good, the shielding condition of the light-reflecting material is controlled, and the light-reflecting material can better play a shielding effect. The backlight module is prepared through the backlight module preparation process, the light-reflecting material can fully shield or fill the joint gaps between the light-emitting modules, the condition of local insufficient shielding / filling is avoided, the probability of occurrence of dark lines or dark spots is greatly reduced, and the light-emitting effect and light-emitting uniformity are effectively improved.

Description

[Technical Field]

[0001] This invention relates to the field of backlight devices, and more specifically, to a backlight module manufacturing process and a backlight module. [Background Technology]

[0002] Currently, large-size backlight products are made up of multiple backlight panels. After the panels are made, there are seams between them. In terms of display effect, dark lines are likely to appear at the seams, resulting in uneven light emission across the entire surface.

[0003] Although many methods exist for eliminating dark lines, they are generally not very effective.

[0004] In view of the above, this application is hereby submitted. [Summary of the Invention]

[0005] To address the technical problem of poor dark line elimination in existing backlight products, embodiments of the present invention provide a backlight module manufacturing process and a backlight module.

[0006] An embodiment of the present invention provides a backlight module manufacturing process, which includes: providing a reflective material and a light-emitting module, wherein the light-emitting module defines an opposing light-emitting surface and a backlight surface, and a side surface connecting the light-emitting surface and the backlight surface; attaching the reflective material to the backlight surface and / or the side surface of the light-emitting module; splicing the light-emitting modules such that the reflective material blocks and / or fills the seams between the light-emitting modules.

[0007] Preferably, the reflective material is constructed in a layered manner, and the reflective material is disposed between the two light-emitting modules. One edge of the reflective material is connected to the backlight surface and / or side surface of one light-emitting module, and the other edge of the reflective material is connected to the backlight surface and / or side surface of the other light-emitting module.

[0008] Preferably, when splicing the light-emitting modules, the reflective material is squeezed to form a bent portion, thereby making the reflective material elastic, and the elastic force of the reflective material is directed towards the light-emitting modules on both sides.

[0009] Preferably, the bent portion is formed by a recess of reflective material on the side facing the backlight surface of the light-emitting module.

[0010] Preferably, before splicing the light-emitting modules, a support is provided and placed between the light-emitting modules; when splicing the light-emitting modules, the light-emitting modules are pressed against the support so that the reflective material covers the support, thereby blocking the seam between the light-emitting modules.

[0011] Preferably, the reflective material is constructed in a layered manner; all light-emitting modules are connected to the reflective material; wherein one edge of the reflective material is connected to the backlight surface and / or side surface of a light-emitting module, and the other edge of the reflective material extends toward another light-emitting module.

[0012] Preferably, when splicing the light-emitting modules, the reflective material connected to the two adjacent light-emitting modules overlaps at least partially on the surface of the support, thereby covering the support.

[0013] Preferably, before splicing the light-emitting modules, a back plate is provided for mounting the light-emitting modules, and the support is placed in a preset position on the back plate for positioning the light-emitting modules.

[0014] Preferably, the edges of the backlight surface of the light-emitting module and the sides of the light-emitting module are both connected to reflective material. To further address the above-mentioned technical problems, embodiments of the present invention also provide a backlight module, which is prepared by the aforementioned backlight module manufacturing process.

[0015] Compared with the prior art, the beneficial effects of the technical solutions provided by the embodiments of the present invention include:

[0016] 1. In the backlight module manufacturing process, reflective material is attached to the backlight surface and / or sides of the light-emitting module. During the splicing of the light-emitting modules, the reflective material blocks and / or fills the seams between the modules. This allows for simultaneous control of the reflective material's blocking of the seams during splicing, ensuring that both splicing and seam blocking are completed concurrently. Furthermore, the reflective material can be controlled to completely block the seams by adjusting the proximity of the light-emitting modules during manufacturing, resulting in high process controllability.

[0017] Compared to the traditional method of "assembling the light-emitting modules first and then covering / filling the seams between them," the traditional method struggles to ensure complete seam filling, easily resulting in localized dark lines or spots. In this embodiment, the reflective material is connected to the light-emitting modules first. During the assembly of the light-emitting modules, the reflective material simultaneously covers the seams, simplifying the process and reducing the difficulty of installing the reflective material.

[0018] On the other hand, the technical solution in this embodiment has greater mobility and adjustability. If the reflective material does not completely cover the seam during the splicing process, the covering of the reflective material can be adjusted by repeatedly moving and adjusting the light-emitting module. This method is more controllable and adjustable than the traditional method, which is conducive to controlling the covering of the reflective material and enabling the reflective material to better play its covering effect.

[0019] 2. Because the reflective material forms a bend between two adjacent light-emitting modules, it becomes elastic. The elastic force of the reflective material is directed towards the light-emitting modules on both sides, ensuring that the reflective material and the light-emitting modules on both sides always maintain a tight fit. This allows the reflective material to fully cover or fill the seams between the light-emitting modules, avoiding inadequate coverage or filling in certain areas. This greatly reduces the probability of dark lines or dark spots appearing and effectively improves the luminous effect and uniformity.

[0020] 3. The support component plays a positioning role in the fabrication of the light-emitting module, helping to determine the installation position of the light-emitting module and improving the stability of the fabrication process. Furthermore, the support component also supports the reflective material, preventing it from collapsing and ensuring that the reflective material can stably perform its reflective function.

[0021] 4. The backlight module is manufactured using a backlight module manufacturing process that allows the reflective material to fully cover or fill the seams between the light-emitting modules, avoiding inadequate local coverage or filling. This greatly reduces the probability of dark lines or dark spots and effectively improves the luminous effect and uniformity. [Attached Image Description]

[0022] To more clearly illustrate the technical solution of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the backlight module provided in Embodiment 1 of the present invention from a first perspective.

[0024] Figure 2 This is a schematic diagram of the backlight module provided in Embodiment 1 of the present invention from a second perspective.

[0025] Figure 3 This is a schematic diagram of the structure of the backlight module provided in Embodiment 1 of the present invention when the bent portion is in the form of a continuous sawtooth shape;

[0026] Figure 4 This is a schematic diagram of the structure of the backlight module provided in Embodiment 1 of the present invention when the bent portion is in a continuous wave shape;

[0027] Figure 5 This is a schematic diagram of the structure of the backlight module provided in Embodiment 1 of the present invention when the bent part is higher than the light-emitting module;

[0028] Figure 6 This is a schematic diagram of the structure of the backlight module provided in Embodiment 1 of the present invention when the bent portion is lower than the light-emitting module;

[0029] Figure 7 This is a schematic diagram of the structure of the backlight module with a backplate provided in Embodiment 1 of the present invention;

[0030] Figure 8 This is a schematic diagram of the backlight module provided in Embodiment 2 of the present invention;

[0031] Figure 9 This is a schematic diagram of the backlight module provided in Embodiment 2 of the present invention when no substrate is provided;

[0032] Figure 10 This is a schematic diagram of the backlight module provided in Embodiment 3 of the present invention;

[0033] Figure 11 This is a schematic flowchart of the backlight module manufacturing process provided in Embodiment 4 of the present invention;

[0034] Figure 12 This is a schematic diagram illustrating the backlight module fabrication process provided in Embodiment 4 of the present invention for fabricating the backlight module in Embodiment 1.

[0035] Figure 13 This is a schematic diagram illustrating the backlight module fabrication process provided in Embodiment 4 of the present invention for fabricating the backlight module in Embodiment 2.

[0036] Figure 14 This is a schematic diagram illustrating the backlight module fabrication process provided in Embodiment 4 of the present invention for fabricating the backlight module in Embodiment 3.

[0037] Explanation of reference numerals in the attached figures:

[0038] 100 - Backlight module; 110 - Reflective material; 111 - First extension; 112 - First reflective part; 113 - Bending part; 113a - Connection between bending part and first reflective part; 113b - Connection between bending part and second reflective part; 114 - Second reflective part; 115 - Second extension; 120 - Light-emitting module; 121 - Substrate; 122 - Light-emitting chip; 123 - Optical protective layer; 125 - Side surface; 126 - Light-emitting surface; 127 - Backlight surface; 130 - Back plate;

[0039] 200 - Backlight module; 210 - Back plate; 220 - Reflective material; 221 - Extension; 222 - First reflective part; 223 - Second reflective part; 230 - Light-emitting module; 231 - Substrate; 232 - Light-emitting chip; 233 - Optical protective adhesive layer; 234 - Light-emitting surface; 235 - Backlight surface; 236 - Side surface; 240 - Support component;

[0040] 300 - Backlight module; 310 - Light-emitting module; 311 - Substrate; 312 - Optical protective adhesive layer; 320 - Reflective material.

Detailed Implementation Methods

[0041] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0042] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0043] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0044] The terms “first”, “second”, etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0045] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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 direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0046] Example 1

[0047] Please refer to Figure 1 and Figure 2 This embodiment provides a backlight module 100, which is formed by splicing together multiple light-emitting modules 120. The backlight module 100 includes a reflective material 110 and light-emitting modules 120. The light-emitting modules 120 define opposite light-emitting surfaces 126 and backlight surfaces 127, and a side surface 125 connecting the light-emitting surfaces 126 and backlight surfaces 127.

[0048] The light-emitting modules 120 are spliced ​​together, with seams between them. A reflective material 110 is layered and used to shield the seams between the light-emitting modules 120. The reflective material 110 is disposed between adjacent light-emitting modules 120 and connected to the backlight surface 127 and / or side surface 125 of the light-emitting modules 120 to shield the seams. The reflective material 110 forms a bend 113 between adjacent light-emitting modules 120 to give it elasticity, and the elastic force of the reflective material 110 is directed towards the light-emitting modules 120 on both sides.

[0049] With this design, the reflective material 110 can block the seam formed by splicing the light-emitting modules 120, thereby eliminating the seam and thus eliminating dark lines in the display effect.

[0050] Furthermore, since the reflective material 110 forms a bent portion 113 between two adjacent light-emitting modules 120, the reflective material 110 is elastic. The elastic force of the reflective material 110 is directed towards the light-emitting modules 120 on both sides, so that the reflective material 110 and the light-emitting modules 120 on both sides always maintain a tight fit. This allows the reflective material 110 to fully cover or fill the seams between the light-emitting modules 120, avoiding insufficient local coverage / filling, greatly reducing the probability of dark lines or dark spots, and effectively improving the light emission effect and light emission uniformity.

[0051] The light-emitting module 120 includes a substrate 121, a light-emitting chip 122, and an optical protective layer 123. The light-emitting chip 122 is disposed on the substrate 121, and the optical protective layer 123 covers the substrate 121 and encapsulates the light-emitting chip 122 on the substrate 121. The light-emitting chip 122 can be an LED chip, but is not limited to it.

[0052] It should be noted that in other embodiments of the present invention, the structure of the light-emitting module 120 may be different, and the light-emitting module 120 may also adopt other types of light-emitting structures, and is not limited thereto.

[0053] In this embodiment, the reflective material 110 is reflective paper. It can be understood that the reflective material 110 can be flexibly selected according to the actual production design needs.

[0054] The reflective material 110 includes: a first extension 111, a first reflective portion 112, a bent portion 113, a second reflective portion 114, and a second extension 115. The bent portion 113 is connected between the first reflective portion 112 and the second reflective portion 114, the first extension 111 is connected to the end of the first reflective portion 112 away from the bent portion 113, and the second extension 115 is connected to the end of the second reflective portion 114 away from the bent portion 113.

[0055] The first extension 111 is attached and bonded to the edge of the backlight surface 127 of a light-emitting module 120. The first reflective portion 112 is attached and bonded to the side surface 125 of the light-emitting module 120. The second reflective portion 114 is attached and bonded to the side surface 125 of a light-emitting module 120 adjacent to the first light-emitting module 120, and the second extension 115 is attached and bonded to the edge of the backlight surface 127 of the adjacent light-emitting module 120. The bent portion 113 is located between the two adjacent light-emitting modules 120.

[0056] Specifically, the bent portion 113 is formed by the indentation of the reflective material 110 towards the side where the backlight surface 127 of the light-emitting module 120 is located. In this embodiment, the cross-section of the bent portion 113 is V-shaped, and the first reflective portion 112, the bent portion 113 and the second reflective portion 114 are M-shaped as a whole. This structure gives the reflective material 110 better elasticity, which allows the reflective material 110 to fully fit with the light-emitting modules 120 on both sides, so that the reflective material 110 can fully eliminate the seam between the light-emitting modules 120 and avoid the appearance of dark lines or dark spots.

[0057] It should be noted that the reflective material 110 extends along the length of the seam between two adjacent light-emitting modules 120, and the length D1 of the reflective material 110 between two adjacent light-emitting modules 120 is equivalent to the length D2 of the seam between the two adjacent light-emitting modules 120.

[0058] The reflective material 110 and the light-emitting module 120 are bonded together with optical adhesive.

[0059] Furthermore, the connection portion 113a between the bent portion 113 and the first reflective portion 112, and the connection portion 113b between the bent portion 113 and the second reflective portion 114 are both flush with the light-emitting surface 126 of the light-emitting module 120, which can prevent the reflective material 110 from blocking the emission angle of the light-emitting module 120.

[0060] It is understood that the structure of the bending portion 113 can also be different. In other embodiments of the present invention, the bending portion 113 can also be a continuous sawtooth type (e.g., Figure 3 As shown), continuous wave pattern (such as...) Figure 4 (as shown), and not limited to these.

[0061] Of course, without obstructing the emission angle of the light-emitting module 120, the connecting portions 113a and 113b can also be higher than the light-emitting surface 126 of the light-emitting module 120, such as... Figure 5 As shown, it can be understood that the side of the bent portion 113 away from the backlight side can also be lower than the light-emitting surface 126 of the light-emitting module 120, such as... Figure 6 As shown.

[0062] Please refer to Figure 7To facilitate the assembly of the light-emitting modules 120 into the backlight module 100, a back plate 130 can be provided. When assembling the light-emitting modules 120, they can be directly mounted onto the back plate 130, which helps improve the stability of the light-emitting modules 120 during assembly, increasing assembly accuracy and efficiency. Simultaneously, it also facilitates the accurate and sufficient blocking of the seams by the reflective material 110 during the splicing process, further enhancing the backlight display effect.

[0063] Overall, the backlight module 100 has a simple structure, and the reflective material 110 has a good effect on blocking / filling the seams between the light-emitting modules 120, making it less likely for dark lines or dark spots to appear, which greatly improves the backlight display effect.

[0064] Example 2

[0065] Please refer to Figure 8 This embodiment provides a backlight module 200, which is formed by splicing together multiple light-emitting modules 230. The backlight module 200 includes: a back plate 210, a reflective material 220, light-emitting modules 230, and a support member 240. The light-emitting modules 230 define opposite light-emitting surfaces 234 and backlight surfaces 235, and a side surface 236 connecting the light-emitting surfaces 234 and backlight surfaces 235.

[0066] The support member 240 is installed on the back plate 210, and the light-emitting module 230 is also installed on the back plate 210 and spliced ​​on the back plate 210. The support member 240 is located between two adjacent light-emitting modules 230. The reflective material 220 covers the side of the support member 240 near the light-emitting surface 126 of the light-emitting module 230 to cover the seam between the light-emitting modules 230.

[0067] With this design, the reflective material 220 can block the seam between the light-emitting modules 230, thereby eliminating the seam and thus eliminating dark lines in the display effect.

[0068] Furthermore, the support member 240 can play a positioning role in the fabrication of the light-emitting module 230, which helps to position the installation position of the light-emitting module 230 and improves the stability of the fabrication. Moreover, the support member 240 can also support the reflective material 220, preventing the reflective material 220 from collapsing, thereby ensuring that the reflective material 220 can stably perform its reflective function.

[0069] In this embodiment, the support member 240 can be pre-positioned at a predetermined position on the back plate 210 to position the light-emitting module 230 for installation.

[0070] The reflective material 220 is constructed in a layered manner. In two adjacent light-emitting modules 230, the reflective material 220 is connected to both. One edge of the reflective material 220 is connected to the light-emitting module 230, and the other edge of the reflective material 220 extends toward the other light-emitting module 230 adjacent to it.

[0071] Specifically, the reflective material 220 includes an extension 221, a first reflective part 222, and a second reflective part 223 connected together, with the first reflective part 222 connected between the extension 221 and the second reflective part 223.

[0072] In two adjacent light-emitting modules 230, each light-emitting module 230 is connected to a reflective material 220. An extension 221 is attached and bonded to the edge of the backlight surface 235 of the light-emitting module 230, and the extension 221 connects the backlight surface 235 of the light-emitting module 230 to the back plate 210. A first reflective part 222 is attached and bonded to the side surface 236 of the light-emitting module 230, and the first reflective part 222 connects the side surface 236 of the light-emitting module 230 to the support member 240. A second reflective part 223 extends toward the adjacent light-emitting module 230. The second reflective parts 223 of the two reflective materials 220 of the two adjacent light-emitting modules 230 overlap on the surface of the support member 240.

[0073] The reflective material 220 is bonded to the light-emitting module 230 and the back plate 210 by optical adhesive. On the surface of the support member 240, the second reflective part 223 is also bonded to the surface of the support member 240 by optical adhesive. When the second reflective parts 223 of the two reflective materials 220 overlap on the surface of the support member 240, they are also bonded by optical adhesive.

[0074] Through the above design, it can be ensured that the second reflective part 223 of the reflective material 220 fully covers the seam of the light-emitting module 230, thereby avoiding dark lines or dark spots, which greatly improves the backlight display effect.

[0075] In this embodiment, the support member 240 has a rectangular cross-section, and the first reflective part 222 abuts between the support member 240 and the light-emitting module 230. In this way, the support member 240 can serve as a positioning reference in the manufacturing process of the light-emitting module 230, making the distribution of the light-emitting module 230 more uniform. At the same time, it can further improve the connection stability of the reflective material 220, prevent the reflective material 220 from falling off, and greatly improve the stability of the backlight effect.

[0076] In this embodiment, the reflective material 220 is reflective paper.

[0077] The light-emitting module 230 includes a substrate 231, a light-emitting chip 232, and an optical protective layer 233. The light-emitting chip 232 is disposed on the substrate 231, and the optical protective layer 233 covers the substrate 231 and encapsulates the light-emitting chip 232 on the substrate 231. At this time, the extension 221 is bonded between the substrate 231 and the back plate 210.

[0078] The light-emitting chip 232 can be an LED chip, but is not limited to it. It should be noted that in other embodiments of the present invention, the structure of the light-emitting module 230 can be different, and the light-emitting module 230 can also adopt other types of light-emitting structures, and is not limited to them.

[0079] It should be noted that, as Figure 9 As shown, the light-emitting module 230 can be installed without a substrate 231, and the light-emitting chip 232 can be directly placed on the back plate 210. The optical protective adhesive layer 233 covers the back plate 210 and encapsulates the light-emitting chip 232 on the back plate 210. At this time, the extension 221 is bonded between the light-emitting chip 232 located at the edge and the back plate 210.

[0080] It is understood that in other embodiments of the present invention, the support member 240 and the reflective material 220 extend along the length direction of the seam between two adjacent light-emitting modules 230, and the length of the reflective material 220 and the length of the support member 240 between two adjacent light-emitting modules 230 are equivalent to the length of the seam between the two adjacent light-emitting modules 230.

[0081] Overall, the backlight module 200 has a simple structure, and the reflective material 220 has a good effect on blocking / filling the seams between the light-emitting modules 230, making it less likely for dark lines or dark spots to appear, which greatly improves the backlight display effect.

[0082] Example 3

[0083] Please refer to Figure 10 This embodiment provides a backlight module 300, which differs from the backlight module 100 in Embodiment 1 in that: each of the two adjacent light-emitting modules 310 in the backlight module 300 is provided with a reflective material 320. In any light-emitting module 310, the reflective material 320 is disposed between the substrate 311 and the optical protective adhesive layer 312 to connect the reflective material 320 to the light-emitting module 310, and the reflective material 320 extends toward the other light-emitting module 310. The reflective materials 320 of the two adjacent light-emitting modules 310 partially overlap in the seam between the two light-emitting modules 310, thereby blocking the seam between the two light-emitting modules 310.

[0084] Example 4

[0085] Please refer to Figure 11 This embodiment provides a backlight module manufacturing process. The backlight module manufacturing process includes the following steps:

[0086] S1: Provides reflective material and light-emitting module, the light-emitting module defines the opposite light-emitting surface and backlight surface, as well as the side connecting the light-emitting surface and backlight surface;

[0087] S2: Attach reflective material to the backlight surface and / or side surface of the light-emitting module;

[0088] S3: Splicing light-emitting module.

[0089] In the backlight module manufacturing process, reflective material is attached to the backlight surface and / or sides of adjacent light-emitting modules. During the splicing of the light-emitting modules, the reflective material blocks and / or fills the seams between them. This allows for simultaneous control of the reflective material's blocking of the seams during splicing, ensuring that both splicing and seam blocking are completed concurrently. Furthermore, the complete blocking of the seams by the reflective material can be ensured by controlling the proximity of the light-emitting modules during splicing, resulting in high process controllability.

[0090] Compared to the traditional method of "assembling the light-emitting modules first and then covering / filling the seams between them," the traditional method struggles to ensure complete seam filling, easily resulting in localized dark lines or spots. In this embodiment, the reflective material is connected to the light-emitting modules first. During the assembly of the light-emitting modules, the reflective material simultaneously covers the seams, simplifying the process and reducing the difficulty of installing the reflective material.

[0091] On the other hand, the technical solution in this embodiment has greater flexibility and adjustability. If the reflective material does not completely cover the seam during the preparation process, the covering of the reflective material can be adjusted by repeatedly moving and adjusting the light-emitting module. This method is more controllable and adjustable than the traditional method, which is beneficial for controlling the covering of the reflective material and enabling the reflective material to better perform its covering effect.

[0092] Please refer to Figure 12 When the backlight module manufacturing process is used to manufacture the backlight module 100 in Example 1:

[0093] In step S2, the first extension 111 is bonded to the edge of the backlight surface 127 of a light-emitting module 120, and the first reflective part 112 is bonded to the side surface 125 of the light-emitting module 120; the second extension 115 is bonded to the edge of the backlight surface 127 of another light-emitting module 120, and the second reflective part 114 is bonded to the side surface 125 of the other light-emitting module 120. Connecting both the edge of the backlight surface 127 and the side surface 125 of the light-emitting module 120 to the reflective material 110 effectively improves the connection stability of the reflective material 110.

[0094] In step S3, the two light-emitting modules 120 connected to the reflective material 110 are spliced ​​together. After splicing, the reflective material 110 also successfully and fully covers the seam between the two light-emitting modules 120.

[0095] It should be noted that the bent portion 113 can be formed by extrusion during the preparation process, or the bent portion can be pre-made.

[0096] On the other hand, in order to prevent the bending portion 113 from blocking the emission angle of the light-emitting module during the elastic deformation process, the bending portion 113 is formed by the reflective material being recessed towards the backlight side of the light-emitting module.

[0097] Please refer to Figure 13 When the backlight module manufacturing process is used to manufacture the backlight module 200 in Example 2:

[0098] In step S2, a reflective material 220 is connected to each of the two adjacent light-emitting modules 230. Specifically, in one light-emitting module 230, a reflective material 220 is connected, the extension 221 is bonded to the edge of the backlight surface 235 of the light-emitting module 230, and the first reflective part 222 is bonded to the side surface 236 of the light-emitting module 230; in the other light-emitting module 230, another reflective material 220 is connected, the extension 221 is bonded to the edge of the backlight surface 235 of the other light-emitting module 230, and the first reflective part 222 is bonded to the side surface 236 of the other light-emitting module 230.

[0099] In step S3, the support member 240 is placed on the surface of the back plate 210, and the two light-emitting modules 230 connected with the reflective material 220 are prepared. Specifically, the two light-emitting modules 230 are respectively placed on both sides of the support member 240 and abut against both sides of the support member 240, so that the extension 221 is bonded between the back plate 210 and the light-emitting module 230, the first reflective part 222 is bonded between the light-emitting module 230 and the support member 240, and the second reflective parts 223 of the two reflective materials 220 of the two light-emitting modules 230 cover the surface of the support member 240 away from the back plate 210, and the second reflective parts 223 of the two reflective materials 220 partially overlap on the surface of the support member 240. The second reflective parts 223 are bonded to the surface of the support member 240 using optical adhesive, and the overlapping part of the two second reflective parts 223 is also bonded by optical adhesive.

[0100] Please refer to Figure 14 When the backlight module manufacturing process is used to manufacture the backlight module 300 in Example 3:

[0101] In step S2, a reflective material 320 is connected to each of the two adjacent light-emitting modules 310. The reflective material 320 is layered and is disposed between the substrate 311 and the optical protective adhesive layer 312, and extends laterally from the substrate 311 and the optical protective adhesive layer 312 along the light-emitting module 310.

[0102] In step S3, the two light-emitting modules 310 are prepared such that the reflective material 320 partially overlaps in the seam between the two light-emitting modules 310, thereby blocking the seam between the two light-emitting modules 310.

[0103] Example 5

[0104] This embodiment provides a display device, which includes a backlight module of at least one of Embodiments 1, 2 and 3.

[0105] Reflective materials in display devices can fully cover or fill the seams between light-emitting modules, avoiding localized inadequate coverage or filling, greatly reducing the probability of dark lines or dark spots, and effectively improving the light-emitting effect and uniformity.

[0106] Example 6

[0107] This embodiment provides an electronic device, which includes a backlight module of at least one of Embodiments 1, 2 and 3, or a display device as described in Embodiment 5.

[0108] Reflective materials in electronic devices can fully cover or fill the seams between light-emitting modules, avoiding localized inadequate coverage or filling, greatly reducing the probability of dark lines or dark spots, and effectively improving the light-emitting effect and uniformity.

[0109] Compared with the prior art, the beneficial effects of the technical solutions provided by the embodiments of the present invention include:

[0110] 1. In the backlight module manufacturing process, reflective material is attached to the backlight surface and / or sides of the light-emitting module. During the splicing of the light-emitting modules, the reflective material blocks and / or fills the seams between the modules. This allows for simultaneous control of the reflective material's blocking of the seams during splicing, ensuring that both splicing and seam blocking are completed concurrently. Furthermore, during splicing, the reflective material can be controlled to ensure complete seam blocking by controlling the proximity of the light-emitting modules, resulting in high process controllability.

[0111] Compared to the traditional method of "assembling the light-emitting modules first and then covering / filling the seams between them," the traditional method struggles to ensure complete seam filling, easily resulting in localized dark lines or spots. In this embodiment, the reflective material is connected to the light-emitting modules first. During the assembly of the light-emitting modules, the reflective material simultaneously covers the seams, simplifying the process and reducing the difficulty of installing the reflective material.

[0112] On the other hand, the technical solution in this embodiment has greater mobility and adjustability. If the reflective material does not completely cover the seam during the splicing process, the covering of the reflective material can be adjusted by repeatedly moving and adjusting the light-emitting module. This method is more controllable and adjustable than the traditional method, which is conducive to controlling the covering of the reflective material and enabling the reflective material to better play its covering effect.

[0113] 2. Because the reflective material forms a bend between two adjacent light-emitting modules, it becomes elastic. The elastic force of the reflective material is directed towards the light-emitting modules on both sides, ensuring that the reflective material and the light-emitting modules on both sides always maintain a tight fit. This allows the reflective material to fully cover or fill the seams between the light-emitting modules, avoiding inadequate coverage or filling in certain areas. This greatly reduces the probability of dark lines or dark spots appearing and effectively improves the luminous effect and uniformity.

[0114] 3. The support component plays a positioning role in the fabrication of the light-emitting module, helping to determine the installation position of the light-emitting module and improving the stability of the fabrication process. Furthermore, the support component also supports the reflective material, preventing it from collapsing and ensuring that the reflective material can stably perform its reflective function.

[0115] 4. The backlight module is manufactured using a backlight module manufacturing process that allows the reflective material to fully cover or fill the seams between the light-emitting modules, avoiding inadequate local coverage or filling. This greatly reduces the probability of dark lines or dark spots and effectively improves the luminous effect and uniformity.

[0116] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A backlight module manufacturing process, characterized in that, include: A reflective material and a light-emitting module are provided, the light-emitting module defining opposite light-emitting surfaces and backlighting surfaces, as well as a side surface connecting the light-emitting surface and the backlighting surface; The reflective material is attached to the backlight surface and / or the side surface of the light-emitting module; The reflective material is elastic; The light-emitting modules are spliced ​​together, and the reflective material is squeezed to form a bent portion, so that the elastic direction of the reflective material is toward the light-emitting modules on both sides.

2. The backlight module manufacturing process according to claim 1, characterized in that, The reflective material is constructed in a layered form and is disposed between the two light-emitting modules. One edge of the reflective material is connected to the backlight surface and / or the side surface of one light-emitting module, and the other edge of the reflective material is connected to the backlight surface and / or the side surface of the other light-emitting module.

3. The backlight module manufacturing process according to claim 1, characterized in that, The bent portion is formed by the indentation of the reflective material on the side facing the backlight surface of the light-emitting module.

4. The backlight module manufacturing process according to claim 1, characterized in that, Before assembling the light-emitting modules, a support member is provided, and the support member is placed between the light-emitting modules. When assembling the light-emitting module, the light-emitting module is pressed towards the support member, and the reflective material is covered on the surface of the support member near the light-emitting surface of the light-emitting module.

5. The backlight module manufacturing process according to claim 4, characterized in that, The reflective material is constructed in a layered manner; all light-emitting modules are connected to the reflective material; wherein one edge of the reflective material is connected to the backlight surface and / or the side surface of one light-emitting module, and the other edge of the reflective material extends toward another light-emitting module.

6. The backlight module manufacturing process according to claim 5, characterized in that, When splicing the light-emitting modules, the reflective material connected to two adjacent light-emitting modules is covered on the surface of the support member near the light-emitting surface of the light-emitting module and at least partially overlaps it.

7. The backlight module manufacturing process according to claim 4, characterized in that, Before assembling the light-emitting module, a back plate for mounting the light-emitting module is provided. The support member is placed at a preset position on the back plate, and the light-emitting module is assembled with the support member as a reference.

8. The backlight module manufacturing process according to claim 1, characterized in that, The edge of the backlight surface of the light-emitting module and the side surface of the light-emitting module are both connected to the reflective material.

9. A backlight module, characterized in that, It is prepared by the backlight module manufacturing process as described in any one of claims 1-8.

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