Display module backboard and display module

Abstract

The application is suitable for the field of liquid crystal display technology, and provides a display module backboard and a display module. The display module backboard comprises a backboard main body and a first bending bearing part, and the first bending bearing part is formed by bending and extending from the edge of the backboard main body. The first bending bearing part comprises a first bending section, a second bending section, a third bending section, a fourth bending section and a fifth bending section which are connected in sequence. The first bending section extends in a direction perpendicular to and away from the plane where the backboard main body is located. The second bending section extends in a direction parallel to and towards the middle part of the plane where the backboard main body is located. The third bending section extends in a direction perpendicular to and towards the plane where the backboard main body is located. The fourth bending section extends in a direction parallel to and away from the middle part of the plane where the backboard main body is located. The fifth bending section extends in a direction perpendicular to and towards the plane where the backboard main body is located. The side of the second bending section away from the backboard main body is provided with a first bearing support surface, and the first bearing support surface is used for bearing a liquid crystal assembly.

Description

Technical Field

[0001] This application belongs to the field of liquid crystal display technology, and more specifically, relates to a display module backplate and a display module. Background Technology

[0002] A liquid crystal display (LCD) module is a common display device. Its structure mainly consists of a backlight unit that provides the light source and liquid crystal units that display images. The overall mechanical strength of the LCD module, especially its resistance to pressure and bending, is a key indicator to ensure its reliability during production, transportation, and use. The structural strength of the backlight unit has a significant impact on the overall mechanical strength of the LCD module.

[0003] With the increasing demand for thinner and lighter consumer electronics products, LCD modules are also continuously evolving towards thinner and lighter designs. Under this trend, the backplate material in the backlight unit is gradually shifting from traditional stainless steel to aluminum alloy, which has lower density and thinner profile. While this material change effectively reduces the weight and thickness of the LCD module, it also leads to a significant decrease in the structural strength of the backplate itself.

[0004] Since the optical films, light guide plates, and other components in the backlight unit are mostly made of flexible materials, their structural support mainly relies on the backplate. Therefore, a decrease in the strength of the backplate directly leads to a deterioration in the pressure and bending resistance of the entire LCD module, which in turn causes defects such as red and blue spots and bright spots to easily occur in the overall reliability test of the LCD module, seriously affecting the production yield and reliability of the LCD module. Utility Model Content

[0005] The purpose of this application is to provide a display module backplate and a display module, aiming to solve the technical problem of reduced production yield and reliability of liquid crystal display modules due to changes in backplate material and decreased strength in the prior art.

[0006] To achieve the above objectives, according to one aspect of this application, a display module backplate is provided for supporting the liquid crystal assembly of a display module. The display module backplate includes: a backplate body and a first bending support portion, the first bending support portion being formed by bending and extending from the edge of the backplate body; the first bending support portion includes a first bending segment, a second bending segment, a third bending segment, a fourth bending segment, and a fifth bending segment connected in sequence, the first bending segment extending in a direction perpendicular to and away from the plane of the backplate body, the second bending segment extending in a direction parallel to and toward the center of the plane of the backplate body, the third bending segment extending in a direction perpendicular to and toward the plane of the backplate body, the fourth bending segment extending in a direction parallel to and away from the center of the plane of the backplate body, and the fifth bending segment extending in a direction perpendicular to and toward the plane of the backplate body; wherein, a first support surface is formed on the side of the second bending segment away from the backplate body, the first support surface being used to support the liquid crystal assembly.

[0007] Optionally, there may be multiple first bending load-bearing parts, which are arranged circumferentially along the back plate body.

[0008] Optionally, the fifth bend segment includes multiple sub-bend segments, which are arranged at intervals along the length of the fourth bend segment.

[0009] Optionally, a weight-reducing structure is provided on the first bending segment, and the position of the weight-reducing structure corresponds to the position of the fifth bending segment.

[0010] Optionally, the first bending segment is provided with multiple weight-reducing structures, and the positions of the multiple weight-reducing structures correspond one-to-one with the positions of the multiple sub-bending segments.

[0011] Optionally, the thickness of the first bent bearing portion is greater than or equal to 0.3 mm and less than or equal to 0.4 mm; the width of the first bearing support surface is greater than or equal to 0.8 mm and less than or equal to 1 mm.

[0012] Optionally, the display module backplate further includes a second bending support portion, which is formed by bending and extending from the edge of the backplate body. The second bending support portion includes a sixth bending segment and a seventh bending segment connected in sequence. The sixth bending segment extends in a direction perpendicular to and away from the plane where the backplate body is located, and the seventh bending segment extends in a direction parallel to and toward the center of the plane where the backplate body is located. A second support surface is formed on the side of the seventh bending segment away from the backplate body. The second support surface is used to support the liquid crystal component, and the width of the second support surface is greater than the width of the first support surface.

[0013] Optionally, a receiving space is formed between the seventh bend and the back panel body, the receiving space being used to receive the components of the display module.

[0014] Optionally, the thickness of both the first bending bearing portion and the second bending bearing portion is greater than or equal to 0.3 mm and less than or equal to 0.4 mm, and the thickness of the second bending bearing portion is the same as the thickness of the first bending bearing portion; the width of the second bearing support surface is greater than 1 mm.

[0015] According to another aspect of this application, a display module is provided, the display module including a display module back panel and a liquid crystal component, the liquid crystal component being supported on the display module back panel, the display module back panel being the aforementioned display module back panel.

[0016] The beneficial effects of the display module backplate provided in this application are as follows: Compared with the prior art, the display module backplate provided in this application supports the liquid crystal component by setting a first bending support part, eliminating the need for a separate frame to support the liquid crystal component. This simplifies the assembly process of the display module and improves the production efficiency of the display module. Furthermore, the first bending support part, through its multiple bending structure, increases the bending section modulus of the edge area of ​​the display module backplate, thereby improving the bending stiffness and load-bearing capacity of the edge area of ​​the display module backplate. When the display module is subjected to external pressure, the first bending support part can effectively suppress the deformation of the display module backplate, thereby reducing or even avoiding the compression or stress concentration of the liquid crystal component caused by excessive bending of the display module backplate, which can lead to defects such as red and blue spots and bright spots. This effectively improves the production yield and long-term reliability of the display module with the display module backplate. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of the display module backplate provided in an embodiment of this application; Figure 2 This is a schematic diagram of the display module backplate from another perspective, provided in an embodiment of this application. Figure 3 This is a partial cross-sectional schematic diagram of the back panel of the display module provided in an embodiment of this application; Figure 4 for Figure 3 A magnified view of a portion of region A in the middle; Figure 5 A partial cross-sectional schematic diagram of the display module backplate at another location provided in an embodiment of this application; Figure 6 for Figure 5 A magnified view of a portion of region B in the middle; The details of the reference numerals used in the above figures are as follows: 10. Back panel main body; 20. First bending load-bearing section; 21. First bending segment; 22. Second bending segment; 23. Third bending segment; 24. Fourth bending segment; 25. Fifth bending segment; 251. Sub-bending segment; 30. Second bend bearing section; 31. Sixth bend section; 32. Seventh bend section; 40. Accommodation space. Detailed Implementation

[0019] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0020] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly or indirectly on that other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to that other element. Unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0021] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to 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.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0023] As described in the background section, a liquid crystal display (LCD) module is a common display device, whose structure mainly includes a backlight unit for providing a light source and a liquid crystal unit for displaying images. The overall mechanical strength of the LCD module, especially its resistance to pressure and bending, is a key indicator to ensure its reliability during production, transportation, and use. The structural strength of the backlight unit has a significant impact on the overall mechanical strength of the LCD module. With the increasing demand for thinner and lighter consumer electronics products, LCD modules are also continuously developing towards thinner and lighter designs. Under this trend, the backplate material in the backlight unit has gradually shifted from traditional stainless steel to aluminum alloys, which have lower density and thinner thickness. While this material change has effectively reduced the weight and thickness of the LCD module, it has also led to a significant decrease in the structural strength of the backplate itself. Since the optical films, light guide plates, and other components in the backlight unit are mostly made of flexible materials, their structural support mainly relies on the backplate. Therefore, the decrease in the strength of the backplate directly leads to the deterioration of the entire LCD module's resistance to pressure and bending, which in turn causes defects such as red and blue spots and bright spots to easily occur in the overall reliability test of the LCD module, seriously affecting the production yield and reliability of the LCD module.

[0024] See Figures 1 to 6As shown, in order to solve the above problems, according to one aspect of this application, an embodiment of this application provides a display module backplate for supporting the liquid crystal assembly of a display module. The display module backplate includes: a backplate body 10 and a first bending support portion 20, the first bending support portion 20 being formed by bending and extending from the edge of the backplate body 10; the first bending support portion 20 includes a first bending segment 21, a second bending segment 22, a third bending segment 23, a fourth bending segment 24, and a fifth bending segment 25 connected in sequence, the first bending segment 21 being perpendicular to and away from the backplate body. The second bending segment 22 extends in the direction of the plane where the back panel body 10 is located, the third bending segment 23 extends in the direction perpendicular to the plane where the back panel body 10 is located, the fourth bending segment 24 extends in the direction parallel to the plane where the back panel body 10 is located and away from the center of the plane where the back panel body 10 is located, and the fifth bending segment 25 extends in the direction perpendicular to the plane where the back panel body 10 is located; wherein, a first bearing support surface is formed on the side of the second bending segment 22 away from the back panel body 10, and the first bearing support surface is used to support the liquid crystal component. The display module backplate provided in this embodiment supports the liquid crystal assembly by setting a first bending support portion 20, eliminating the need for a separate frame to support the liquid crystal assembly. This simplifies the assembly process of the display module and improves its production efficiency. Furthermore, the first bending support portion 20, through its multiple bending structure, increases the bending section modulus of the edge area of ​​the display module backplate, improving its bending stiffness and load-bearing capacity. When the display module is subjected to external pressure, the first bending support portion 20 can effectively suppress the deformation of the display module backplate, thereby reducing or even avoiding defects such as red and blue spots and bright spots caused by excessive bending of the display module backplate, which can lead to compression or stress concentration on the liquid crystal assembly. This effectively improves the production yield and long-term reliability of the display module with the display module backplate. The first bending segment 21 is connected to the backplate body 10.

[0025] It should be noted that the display module backplate is a key structural component in the display module, mainly used to provide mechanical support, physical protection, and structural positioning for internal components such as the liquid crystal assembly, optical films, and light guide plates. Its structural strength directly affects the mechanical properties of the display module, such as its resistance to pressure and bending. The backplate body 10 is the core flat plate structure of the display module backplate, constituting the main area of ​​the backplate and used to support and fix most of the internal components of the display module. The first bending bearing part 20 is a three-dimensional structure integrally extended from the edge of the backplate body 10 through a stamping process. It replaces the traditional independent plastic frame, directly supporting and positioning the liquid crystal assembly, while improving the bending stiffness of the display module backplate.

[0026] It should be noted that the first bending segment 21 is the starting segment of the first bending support portion 20, and its extension direction establishes the initial height of the support portion. The second bending segment 22 is the load-bearing structure of the first bending support portion 20, and its upper surface forms a first load-bearing support surface for direct contact with and support of the edge of the liquid crystal component. The third bending segment 23, the fourth bending segment 24, and the fifth bending segment 25, through continuous bending at specific angles, together with the first and second bending segments 22, constitute a rigid support frame with a composite cross-section. The multi-segment bending structure of the first bending support portion 20 can effectively increase the effective cross-sectional size of the support root region of the first bending support portion 20, thereby improving the bending section modulus and overall structural stiffness of the first bending support portion 20, and improving the reliability of the display module back panel.

[0027] According to the theory of mechanics of materials, the bending resistance of a component mainly depends on the geometric properties of its cross-section, such as the moment of inertia and the section modulus. The moment of inertia is proportional to the square of the distance from the cross-sectional material to the neutral axis of the cross-section, while the section modulus is positively correlated with the moment of inertia. The first bending load-bearing section 20, through its multi-segment bending structure, redistributes and extends material that might otherwise be used on a single vertical edge to a position further away from the initial cross-sectional neutral axis through specific angles of the third, fourth, and fifth bending segments 25. This effectively constructs a composite section with a larger moment of inertia and a larger section modulus. When the bearing support surface is subjected to a vertical load, this composite section can more effectively disperse the bending stress over a wider material area, rather than relying solely on the thickness of the material at the root region. This reduces the local maximum stress in the first bending load-bearing section 20. With the same amount of material, the multi-segment bending structure of the first bending load-bearing section 20 can significantly increase the structural stiffness and deformation resistance, thereby improving the reliability of the display module back panel under external pressure.

[0028] See Figure 1 and Figure 2 As shown, in a specific embodiment, the number of first bending support portions 20 is multiple, and the multiple first bending support portions 20 are arranged circumferentially along the back plate body 10. The multiple first bending support portions 20 being arranged circumferentially along the back plate body 10 means that the multiple first bending support portions 20 are distributed around the edge contour of the back plate body 10, and their distribution includes, but is not limited to, continuous and uninterrupted arrangement or interval arrangement maintaining a certain distance.

[0029] From the perspective of overall structural strength, by arranging multiple first bending bearing parts 20 around the back panel body 10, a continuous or uniformly distributed annular reinforcing frame can be constructed in the edge area of ​​the display module back panel. This allows the pressure applied to the display module from the outside to be evenly distributed and transmitted to the multiple first bending bearing parts 20 of the back panel body 10, thereby effectively avoiding stress concentration in local areas and improving the ability of the display module back panel to resist overall torsional deformation and uneven indentation.

[0030] From the perspective of load-bearing stability and reliability, the multiple first bending load-bearing parts 20 distributed circumferentially can provide multi-point stable support for the periphery of the liquid crystal module, ensuring that the liquid crystal module is subjected to uniform force, reducing the risk of warping or stress concentration caused by insufficient or uneven support. While enhancing the local protection effect of the liquid crystal module, it also effectively improves the overall structural integrity and long-term reliability of the display module with the display module back plate under complex stress environment.

[0031] See Figure 3 and Figure 5 As shown, in a specific embodiment, the fifth bending segment 25 includes multiple sub-bending segments 251, which are arranged at intervals along the length direction of the fourth bending segment 24. Each sub-bending segment 251 refers to a multiple independent bending segment formed by discontinuously dividing the continuous fifth bending segment 25. The fourth bending segment 24 connected to it is a continuous structure and is not affected by the division of the fifth bending segment 25.

[0032] From a structural and mechanical performance perspective, designing the fifth bending segment 25 as multiple spaced sub-bending segments 251 allows it to absorb and release microscopic deformations and internal stresses generated by the display module backplate under pressure to a certain extent. This prevents excessive stress accumulation in the fifth bending segment 25, thereby reducing the risk of fatigue in the display module backplate material and improving its structural impact resistance. Simultaneously, the gaps between the multiple sub-bending segments 251 also help reduce the overall weight of the display module backplate.

[0033] From the perspective of production adaptability and reliability, the spacing of the sub-bending segments 251 provides necessary deformation compensation space for the display module backplate during assembly or thermal expansion, reducing assembly stress caused by manufacturing tolerances or thermal expansion and contraction, and improving the production yield of the display module. Furthermore, the gaps between the multiple sub-bending segments 251 can also serve as heat dissipation channels or provide clearance for other components on the display module backplate, avoiding structural interference and further enhancing the integration and reliability of the display module.

[0034] In one specific embodiment, a weight-reducing structure is provided on the first bending segment 21, and the position of the weight-reducing structure corresponds to the position of the fifth bending segment 25. The weight-reducing structure is a through hole, blind hole, or groove formed on the vertical wall of the first bending segment 21. The correspondence between the position of the weight-reducing structure and the position of the fifth bending segment 25 means that the orthographic projection of the weight-reducing structure on the plane of the fifth bending segment 25 is located within the fifth bending segment 25.

[0035] From the perspective of balancing lightweighting and rigidity maintenance, creating a weight-reducing structure on the vertical wall of the first bending segment 21 directly reduces the weight of the display module's back panel edge structure without affecting the integrity of the upper surface of the second bending segment 22. By positioning the weight-reducing structure to correspond to the position of the fifth bending segment 25, the fifth bending segment 25 provides lateral support to the vertical wall of the first bending segment 21 when it is in contact with the first bending segment 21, thereby maintaining the overall stability of this local area. This achieves effective weight reduction while minimizing the negative impact on the overall structural rigidity.

[0036] From the perspective of heat dissipation and electromagnetic shielding design, when the weight-reduction structure is a through-hole, regular weight-reduction through-holes are opened on the vertical wall of the first bending section 21. While reducing weight, this also provides an additional air convection channel for the backlight module, which helps to dissipate accumulated heat. In addition, this corresponding and non-random opening method provides a convenient structural basis for subsequent implementation of selective electromagnetic shielding or grounding measures, which is beneficial to improving the overall performance of the display module.

[0037] In one specific embodiment, the first bending segment 21 is provided with multiple weight-reducing structures, and the positions of the multiple weight-reducing structures correspond one-to-one with the positions of multiple sub-bending segments 251. The phrase "multiple weight-reducing structures, one-to-one correspondence between the positions of the multiple weight-reducing structures and the positions of the multiple sub-bending segments 251" means that the orthographic projection of the weight-reducing structure onto the plane of the corresponding sub-bending segment 251 is located within that sub-bending segment 251.

[0038] From the perspective of balancing mechanical performance and lightweighting, the positions of multiple weight-reducing structures are set to correspond one-to-one with the positions of multiple sub-bending segments 251. This ensures that each sub-bending segment 251 can provide lateral support to the vertical wall of the first bending segment 21 when it is in contact with the first bending segment 21, thereby maintaining the overall stability of the local area. While achieving further weight reduction, the negative impact of setting up multiple weight-reducing structures on the overall structural stiffness of the first bending load-bearing part 20 will be reduced.

[0039] From the perspective of functional integration and manufacturing optimization, setting the positions of multiple weight-reducing structures to correspond one-to-one with the positions of multiple sub-bending segments 251 can simplify the mold design and stamping process of the display module back panel, improve the production efficiency and consistency of the display module back panel, and when multiple weight-reducing structures are through holes, the regularly arranged multiple weight-reducing through holes can serve as effective ventilation and heat dissipation channels, while the corresponding solid sub-bending segments 251 can avoid forming straight light leakage paths, thereby improving the overall performance and quality of the display module with this display module back panel.

[0040] In one specific embodiment, the thickness of the first bending support portion 20 is greater than or equal to 0.3 mm and less than or equal to 0.4 mm; the width of the first support surface is greater than or equal to 0.8 mm and less than or equal to 1 mm. The thickness of the first bending support portion 20 refers to the material thickness of the plate material constituting the first bending support portion 20, and the width of the first support surface refers to the dimension from its inner edge to its outer edge on the horizontal surface of the second bending segment 22 used to support the liquid crystal assembly. It can be understood that the side of the first support surface facing the middle of the backplate body 10 is the inner side of the first support surface, and the side facing away from the middle of the backplate body 10 is the outer side of the first support surface.

[0041] From the perspective of balancing structural strength and material cost, limiting the thickness of the first bending support portion 20 to the range of 0.3mm to 0.4mm can ensure that the display module back panel has sufficient basic strength. Under the premise of ensuring that the display module back panel can withstand process loads and usage stresses, effective material saving is achieved, which meets the design requirements of display module thinness and low cost. Furthermore, limiting the width of the first support surface to the range of 0.8mm to 1mm can provide a better bending section coefficient for the first bending support portion 20, ensuring that the first support surface has sufficient size to stably support the liquid crystal component and effectively distribute the load.

[0042] See Figure 1 , Figure 2 , Figure 5 and Figure 6As shown, in a specific embodiment, the display module backplate further includes a second bent support portion 30, which is formed by bending and extending from the edge of the backplate body 10. The second bent support portion 30 includes a sixth bent segment 31 and a seventh bent segment 32 connected in sequence. The sixth bent segment 31 extends in a direction perpendicular to and away from the plane of the backplate body 10, and the seventh bent segment 32 extends in a direction parallel to and toward the center of the plane of the backplate body 10. A second support surface is formed on the side of the seventh bent segment 32 away from the backplate body 10. The second support surface is used to support the liquid crystal assembly, and the width of the second support surface is greater than the width of the first support surface. The width of the second support surface being greater than the width of the first support surface refers to the fact that the dimension from the inner edge to the outer edge of the surface of the seventh bent segment 32 used to support the liquid crystal assembly is greater than the dimension from the inner edge to the outer edge of the surface of the second bent segment 22 used to support the liquid crystal assembly. It is understandable that the side of the second bearing support surface facing the middle of the back plate body 10 is the inner side of the second bearing support surface, and the side away from the middle of the back plate body 10 is the outer side of the second bearing support surface.

[0043] From the perspective of differentiated load-bearing capacity and overall stiffness optimization, by integrating a first bending support portion 20 and a second bending support portion 30 with different widths of load-bearing support surfaces on the same display module back panel, differentiated support for the liquid crystal assembly and on-demand distribution of back panel edge stiffness can be achieved. Specifically, the second bending support portion 30 with a wider load-bearing support surface can be placed in critical areas that need to withstand larger loads or are more sensitive to deformation, utilizing its larger bending section modulus to provide stronger local support; while in areas where structural space is limited or where it is necessary to avoid other components, the first bending support portion 20 with a narrower load-bearing support surface is used. From the perspective of adaptability and overall performance improvement, the wide second load-bearing support surface can provide the liquid crystal assembly with a larger contact area and a more stable support, reducing the pressure per unit area and the risk of local warping.

[0044] See Figure 6 As shown, in a specific embodiment, a receiving space 40 is formed between the seventh bending segment 32 and the back plate body 10. The receiving space 40 is used to accommodate the components of the display module. The receiving space 40 refers to a U-shaped or groove-shaped area with an opening, which is jointly enclosed by the back plate body 10, the sixth bending segment 31, and the seventh bending segment 32. The components include, but are not limited to, electronic components such as LED light strips, driver chips, flexible circuit boards, or related conductive tapes of the display module.

[0045] From the perspective of structural space utilization and integration improvement, the three-dimensional space naturally formed by the structure of the second bending bearing part 30 can accommodate the display module without increasing the thickness of the display module or occupying the motherboard area. This provides an ideal place for the arrangement of components. The setting of the accommodating space 40 can significantly improve the utilization efficiency of the internal space of the display module and help to achieve a compact design of the display module.

[0046] From the perspective of component protection and module reliability, placing the components within the accommodating space 40 can provide physical protection for the components by the seventh bending segment 32 and the sixth bending segment 31, preventing them from being accidentally scratched or impacted during subsequent assembly or transportation, thereby improving the overall reliability and lifespan of the display module with the display module backplate.

[0047] In one specific embodiment, the thickness of both the first bending support portion 20 and the second bending support portion 30 is greater than or equal to 0.3 mm and less than or equal to 0.4 mm, and the thickness of the second bending support portion 30 is the same as the thickness of the first bending support portion 20; the width of the second support surface is greater than 1 mm. The fact that the thickness of the second bending support portion 30 is the same as the thickness of the first bending support portion 20 means that the first bending support portion 20 and the second bending support portion 30 are made from the same metal sheet through an integral stamping process, thus possessing completely consistent material base thickness.

[0048] From the perspective of structural mechanics performance and functional integration optimization, heterogeneous design based on a uniform material thickness is conducive to achieving precise control of the display module back panel performance. Specifically, the first bending load-bearing part 20 improves stiffness through a complex multi-segment bending structure, while the second bending load-bearing part 30 improves load-bearing capacity and stability by increasing the cross-sectional width, thereby meeting the balance requirements of bending strength, load-bearing stability and integration of the display module.

[0049] In some embodiments, the back panel of the display module in this embodiment is made of aluminum alloy.

[0050] In some embodiments, the edge contour shape of the back panel body 10 in this embodiment is rectangular, and the display module back panel includes three first bending support parts 20 and one second bending support part 30. The three first bending support parts 20 are respectively disposed on two short sides and one long side of the back panel body 10, and the second bending support part 30 is disposed on the other long side.

[0051] According to another aspect of this application, a display module is provided, comprising a display module backplate and a liquid crystal component, wherein the liquid crystal component is mounted on the display module backplate, which is the aforementioned display module backplate. The liquid crystal component is the core component in the display module used for image display; it does not emit light itself and requires modulation of light from a backlight component to display the image.

[0052] In some embodiments, the display module further includes a backlight assembly, which is a light source component for providing a uniform and sufficient surface light source to the liquid crystal assembly. It typically includes a series of optical films such as a light source, a light guide plate, a reflective sheet, a diffusion film, and a prism film. The backlight assembly is installed inside the back plate of the display module and is enclosed, fixed, and protected by the back plate body 10 and its bent support portion.

[0053] In summary, implementing the display module backplate and display module provided in this embodiment has at least the following beneficial technical effects: The display module backplate provided in this embodiment supports the liquid crystal component by setting the first bending support part 20, eliminating the need for a separate frame to support the liquid crystal component. This simplifies the assembly process of the display module and improves the production efficiency of the display module. Furthermore, the first bending support part 20, through its multiple bending structure, increases the bending section modulus of the edge area of ​​the display module backplate, improving the bending stiffness and load-bearing capacity of the edge area of ​​the display module backplate. When the display module is subjected to external pressure, the first bending support part 20 can effectively suppress the deformation of the display module backplate, thereby reducing or even avoiding the compression or stress concentration of the liquid crystal component caused by excessive bending of the display module backplate, which can lead to defects such as red and blue spots and bright spots. This effectively improves the production yield and long-term reliability of the display module with the display module backplate.

[0054] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A display module backplate, characterized in that, A liquid crystal assembly for supporting a display module, the backplate of the display module comprising: The back panel body (10) and the first bent bearing portion (20) are formed by bending and extending the edge of the back panel body (10); The first bending support part (20) includes a first bending segment (21), a second bending segment (22), a third bending segment (23), a fourth bending segment (24) and a fifth bending segment (25) connected in sequence. The first bending segment (21) extends in a direction perpendicular to and away from the plane of the back plate body (10). The second bending segment (22) extends in a direction parallel to and toward the middle of the plane of the back plate body (10). The third bending segment (23) extends in a direction perpendicular to and toward the plane of the back plate body (10). The fourth bending segment (24) extends in a direction parallel to and away from the middle of the plane of the back plate body (10). The fifth bending segment (25) extends in a direction perpendicular to and toward the plane of the back plate body (10). The second bending segment (22) has a first bearing support surface on the side opposite to the back plate body (10), and the first bearing support surface is used to support the liquid crystal component.

2. The display module backplate according to claim 1, characterized in that, The number of the first bending support portion (20) is multiple, and the multiple first bending support portions (20) are arranged circumferentially along the back plate body (10).

3. The display module backplate according to claim 1, characterized in that, The fifth bending segment (25) includes multiple sub-bending segments (251), which are arranged at intervals along the length direction of the fourth bending segment (24).

4. The display module backplate according to claim 1, characterized in that, The first bending segment (21) is provided with a weight-reducing structure, and the position of the weight-reducing structure corresponds to the position of the fifth bending segment (25).

5. The display module backplate according to claim 3, characterized in that, The first bending segment (21) is provided with multiple weight-reducing structures, and the positions of the multiple weight-reducing structures correspond one-to-one with the positions of the multiple sub-bending segments (251).

6. The display module backplate according to claim 1, characterized in that, The thickness of the first bending bearing part (20) is greater than or equal to 0.3 mm and less than or equal to 0.4 mm; The width of the first bearing support surface is greater than or equal to 0.8 mm and less than or equal to 1 mm.

7. The display module backplate according to any one of claims 1 to 6, characterized in that, The display module back panel also includes a second bent support portion (30), which is formed by bending and extending the edge of the back panel body (10); The second bending bearing portion (30) includes a sixth bending segment (31) and a seventh bending segment (32) connected in sequence. The sixth bending segment (31) extends in a direction perpendicular to and away from the plane of the back plate body (10), and the seventh bending segment (32) extends in a direction parallel to and toward the center of the plane of the back plate body (10). The seventh bending segment (32) has a second bearing support surface on the side opposite to the back plate body (10). The second bearing support surface is used to support the liquid crystal component. The width of the second bearing support surface is greater than the width of the first bearing support surface.

8. The display module backplate according to claim 7, characterized in that, A receiving space (40) is formed between the seventh bending segment (32) and the back plate body (10), the receiving space (40) being used to receive the components of the display module.

9. The display module backplate according to claim 7, characterized in that, The thickness of the first bending support portion (20) and the second bending support portion (30) is greater than or equal to 0.3 mm and less than or equal to 0.4 mm, and the thickness of the second bending support portion (30) is the same as the thickness of the first bending support portion (20). The width of the second load-bearing support surface is greater than 1 mm.

10. A display module, characterized in that, The display module includes a display module back panel and a liquid crystal component, the liquid crystal component being mounted on the display module back panel, and the display module back panel being the display module back panel as described in any one of claims 1 to 9.

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