Display module and display terminal

Abstract

The invention relates to a display module and a display terminal. The display module comprises a backlight module and a display panel, the backlight module comprises a back plate, a light source assembly and a frame body, the back plate comprises a bottom plate and a side plate, and the frame body comprises a first sub-part and a second sub-part which are connected; the side wall of the display panel is located on the side, close to the light source assembly, of the side wall of the second sub-part. Wherein the first sub-part comprises a bearing part and a connecting part, the second sub-part comprises a main body part and a convex part, the main body part covers part of the side wall of the connecting part, the convex part protrudes out of the surface of the bearing part, and the orthographic projection of the side wall of the side, close to the bearing part, of the convex part on the display panel is located in the display panel. According to the display module, the side wall of the display panel is arranged on the side, close to the light source assembly, of the side wall of the second sub-part, and meanwhile the side wall, close to the bearing part, of the convex part of the frame body is arranged in the display panel, so that a gap between the frame body and the display panel is visually shielded by the display panel; and the front-view gapless effect is realized.

Description

Technical Field

[0001] The present application relates to the field of display technologies, and in particular, to a display module and a display terminal. Background Art

[0002] In the current display technology field, display modules are firmly moving forward towards narrow bezels or even borderless designs. Taking a liquid crystal display module as an example, it mainly consists of a display panel and a backlight module. However, limited by the technical problem that a bonding area must be set on one side of the display panel, it is still difficult to achieve a completely narrow bezel on all four sides at the present stage. Currently, the 3BL (3 Border Less) structure has become the choice of mainstream products.

[0003] In the 3BL structure system, the display panel is fixed to the rubber frame of the backlight module by tape, and a gap is formed between the edge of the display panel and the rubber frame, which will affect the visual effect of the appearance of the display module.

[0004] Therefore, it is urgent to solve the above technical problems. Summary of the Invention

[0005] The embodiments of the present application provide a display module and a display terminal to improve the technical problem that a gap is formed between the edge of the display panel and the rubber frame, and the gap will affect the visual effect of the appearance of the display module.

[0006] To achieve the above object, in a first aspect, the present application provides a display module, including:

[0007] A backlight module, including a backplane, a light source assembly, and a frame body. The backplane includes a bottom plate and side plates disposed around the bottom plate. The bottom plate and the side plates form a receiving cavity. The light source assembly is disposed in the receiving cavity. The frame body is disposed at the edge of the backplane. The frame body includes a first sub - portion and a second sub - portion connected to each other;

[0008] A display panel, disposed on the light - emitting surface side of the backlight module;

[0009] Wherein, the first sub - portion includes a bearing portion disposed between the side plate and the display panel and a connecting portion disposed on the side of the side plate away from the light source assembly. The second sub - portion includes a main body portion and a convex portion connected to each other. The main body portion covers part of the side wall of the connecting portion away from the side plate. The convex portion protrudes from the surface of the bearing portion away from the bottom plate. The side wall of the display panel is located on the side of the side wall of the second sub - portion close to the light source assembly. The side wall of the convex portion close to the bearing portion is located within the display panel in the orthographic projection on the display panel.

[0010] Optionally, the backlight module includes an adhesive portion, one surface of the adhesive portion close to the display panel is adhered to the display panel, and one surface of the adhesive portion close to the frame is adhered to the frame;

[0011] Wherein, the elastic modulus of the convex portion is less than the elastic modulus of the bearing portion.

[0012] Optionally, the width of one end of the convex portion close to the display panel is less than the width of the end of the convex portion far from the display panel.

[0013] Optionally, the second sub-portion further includes an extension portion connected to the convex portion, the extension portion covers a partial surface of the side of the bearing portion close to the display panel; the adhesive portion is adhered to the extension portion.

[0014] Optionally, a boss is provided on the surface of the bearing portion facing away from the bottom plate, the adhesive portion is disposed between the convex portion and the boss, and the surface of the boss facing away from the bottom plate protrudes from the surface of the extension portion facing away from the bottom plate.

[0015] Optionally, a boss is provided on the surface of the bearing portion facing away from the bottom plate, the adhesive portion is disposed between the convex portion and the boss, and the adhesive portion is adhered to the bearing portion.

[0016] Optionally, in the thickness direction of the display module, the height of the convex portion is greater than or equal to the thickness of the adhesive portion.

[0017] Optionally, the display panel includes a first substrate and a second substrate that are opposite and spaced apart, the first substrate is disposed on the side of the second substrate away from the backlight module, the display panel further includes a first polarizer disposed on the side of the first substrate away from the second substrate, and the first polarizer covers at least the surface of the side of the first substrate away from the second substrate.

[0018] Optionally, a light-shielding adhesive is provided on the side walls of the first substrate and the second substrate, and the first polarizer covers the edge of the light-shielding adhesive close to the first substrate.

[0019] Optionally, the display panel includes a first substrate and a second substrate that are opposite and spaced apart, the first substrate is disposed on the side of the second substrate away from the backlight module, the display panel further includes a first polarizer disposed on the side of the first substrate away from the second substrate, the first polarizer covers at least the gap between the convex portion and the first substrate and the edge of the first polarizer is located on the side of the side wall of the second sub-portion close to the light source assembly.

[0020] In a second aspect, the present application provides a display terminal, which includes a rear case and the above-mentioned display module, and the rear case is connected to one end of the main body portion and the connecting portion away from the display panel.

[0021] In the display module according to the embodiment of the present application, by disposing the side wall of the display panel on the side of the side wall of the second sub-portion close to the light source assembly, and at the same time disposing the side wall of the convex portion of the frame close to the bearing portion inside the display panel, the gap between the frame and the display panel is visually blocked by the display panel, achieving the effect of no gap in the front view.

[0022] Other features and advantages of the present application will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative efforts.

[0024] In order to more completely understand the present application and its beneficial effects, the following will be described in conjunction with the drawings, where the same reference numerals represent the same parts in the following description.

[0025] Figure 1 is a top view structural schematic diagram of a display module provided in an exemplary embodiment of the present disclosure;

[0026] Figure 2A is Figure 1 a sectional structural schematic diagram at C-C in;

[0027] Figure 2B is Figure 1 another sectional structural schematic diagram at C-C in;

[0028] Figure 3 is Figure 2A an enlarged structural schematic diagram of the frame in;

[0029] Figure 4 is Figure 2A another enlarged structural schematic diagram of the frame in;

[0030] Figure 5 is Figure 2A a variety of enlarged structural schematic diagrams of the convex portion in;

[0031] Figure 6 is a schematic diagram of the process of assembling the display panel and the backlight module;

[0032] Figure 7 It is a schematic cross-sectional structure diagram of a display terminal provided in an exemplary embodiment of the present disclosure.

[0033] Description of reference numerals:

[0034] 1 - Display module;

[0035] 10 - Backlight module; 11 - Backplane; 111 - Bottom plate; 112 - Side plate; 12 - Light source assembly; 121 - Reflector; 122 - Light guide plate; 123 - Optical film; 124 - Side reflection; 13 - Frame; 131 - First sub - part; 1311 - Carrying part; 1311a - Boss; 1312 - Connecting part; 132 - Second sub - part; 1321 - Main body part; 1322 - Protrusion; 1323 - Extension part; 14 - Bonding part;

[0036] 20 - Display panel; 21 - Liquid crystal cell; 211 - First substrate; 212 - Second substrate; 22 - First polarizer; 23 - Second polarizer; 24 - Light - shielding adhesive; AA - Display area; NA - Non - display area; 201 - Sub - pixel;

[0037] 2 - Rear case;

[0038] 3 - Display terminal;

[0039] w1 - Width of the end of the protrusion 1322 close to the display panel 20; w2 - Width of the end of the protrusion 1322 far from the display panel 20; L - Spacing between the side wall of the display panel 20 and the side wall of the second sub - part 132. Specific embodiments

[0040] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present application.

[0041] To achieve the above - mentioned purpose, in the first aspect, as Figures 1 to 3As shown, the present application provides a display module 1, including a backlight module 10 and a display panel 20, the backlight module 10 includes a back plate 11, a light source assembly 12 and a frame 13, the back plate 11 includes a bottom plate 111 and a side plate 112 arranged at the periphery of the bottom plate 111, the bottom plate 111 and the side plate 112 form a receiving cavity, the light source assembly 12 is arranged in the receiving cavity, the frame 13 is arranged at the edge of the back plate 11, and the frame 13 includes a first sub-section 131 and a second sub-section 132 connected to each other; the display panel 20 is arranged on the light emitting surface side of the backlight module 10, and the side wall of the display panel 20 is located on the side wall of the second sub-section 132 close to the light source One side of the component 12; wherein the first sub-part 131 includes a bearing part 1311 arranged between the side panel 112 and the display panel 20 and a connecting part 1312 arranged on the side of the side panel 112 away from the light source component 12, the second sub-part 132 includes a connected main body part 1321 and a convex part 1322, the main body part 1321 covers a part of the side wall of the connecting part 1312 away from the side panel 112, the convex part 1322 protrudes from the side surface of the bearing part 1311 away from the bottom plate 111, and the side wall of the convex part 1322 close to the bearing part 1311 is projected on the display panel 20 and is located inside the display panel 20.

[0042] The display module 1 may be a liquid crystal display module. The display panel 20 and the backlight module 10 are integrated into one. The display panel 20 is a non-self-luminous panel, and the backlight module 10 needs to provide a backlight source for the display panel 20. The backlight source is a white plane light source.

[0043] like Figure 1 As shown, the display panel 20 includes a display area AA and a non-display area NA disposed outside the display area AA. The display area AA may be provided with a plurality of sub-pixels 201, and the sub-pixels 201 may include red sub-pixels, green sub-pixels, and blue sub-pixels, thereby realizing color display. The non-display area NA may be provided with a driving circuit, such as a gate driving circuit, etc., and the driving circuit may provide a driving signal for the sub-pixels 201.

[0044] like Figure 2A As shown, the back plate 11 includes a bottom plate 111 and a side plate 112 disposed outside the bottom plate 111, and the side plate 112 and the bottom plate 111 are combined to form a receiving cavity. The bottom plate 111 and the side plate 112 can be integrally formed by stamping, bending and other processes.

[0045] In some embodiments, the material of the back plate 11 can be metal or metal alloy such as stainless steel, iron, aluminum, etc. Using metal or metal alloy as the back plate 11 can increase the mechanical strength of the back plate 11, so that the light source assembly 12 in the accommodating cavity of the back plate 11 is not easily damaged by external impact.

[0046] like Figure 2AAs shown, the light source assembly 12 is used for emitting light. The surface of the light source assembly 12 facing away from the bottom plate 111 is the light-emitting surface, and the light rays emitted from the light source assembly 12 can enter the display panel 20. It should be noted that the light-emitting area of the light source assembly 12 corresponds at least to the display area AA of the display panel 20, so as to provide a backlight for the entire display area AA of the display panel 20.

[0047] As Figure 2A shown, the backplane 11 is used to accommodate the light source assembly 12, and at the same time can play a certain role in shading and protecting the light source assembly 12.

[0048] In some embodiments, as Figure 2A shown, the light source assembly 12 includes a reflective sheet 121, a light guide plate 122, and an optical film 123 stacked in sequence. The optical film 123 is located on the side of the light guide plate 122 facing away from the bottom plate 111.

[0049] The backlight module 10 further includes a light bar (not shown in the figure), which is disposed on the side wall of the light guide plate 122 close to one side. The light bar includes a plurality of lamp beads, and the lamp beads can be LEDs or the like. The light-emitting surface of the lamp beads faces the side wall of the light guide plate 122, and the light rays emitted from the lamp beads are incident on the side wall of the light guide plate 122 and are conducted by the light guide plate 122 to the entire plane of the light guide plate 122, thereby forming a planar light source.

[0050] The material of the light guide plate 122 can be a transparent polymer material, such as polymethyl methacrylate (PMMA) or polycarbonate (PC).

[0051] The reflective sheet 121 is disposed on the side of the light guide plate 122 close to the bottom plate 111. The reflective sheet 121 is mainly used to reflect the light rays emitted from the bottom of the light guide plate 122 back into the light guide plate 122, so that it can be concentrated and projected from the front, reduce light loss, and increase the light source efficiency of the backlight module 10.

[0052] In some embodiments, the reflective sheet 121 can be a polyethylene terephthalate (PET) film coated with a high-reflectivity metal film (such as an aluminum thin film or a silver thin film).

[0053] In some embodiments, as Figure 2A shown, the side wall of the light guide plate 122 can be provided with a side reflector 124. The side reflector 124 can reflect the light rays on the side of the light guide plate 122 into the light guide plate 122, improving the utilization efficiency of the light rays.

[0054] As Figure 2AAs shown, the optical film 123 is disposed on the side of the light guide plate 122 away from the bottom plate 111. The optical film 123 may include a diffusion sheet, a prism sheet, etc. that are stacked in sequence. The diffusion sheet is used to diffusely reflect the light emitted from the light guide plate 122, so that the light is evenly distributed on the light-emitting surface, effectively homogenizing the light. The prism sheet is disposed on the side of the diffusion sheet away from the light guide plate 122. The prism sheet corrects the direction of the light through the principles of refraction and reflection of light, and concentrates the scattered light towards the front, enhancing the brightness of the backlight module 10.

[0055] As Figure 2A shown, the frame 13 is disposed on the edge of the back plate 11, and the frame 13 can be detachably connected to the back plate 11. For example, the frame 13 can be snap-fitted to the back plate 11. Snap-fitting connection means that hooks and bayonets are respectively provided on the frame 13 and the back plate 11, and the snap-fitting connection is achieved through the cooperation of the hook and the bayonet. The connection method between the frame 13 and the back plate 11 is not limited to this.

[0056] As Figure 2A shown, the frame 13 includes a connected first sub-part 131 and a second sub-part 132. The structures of the first sub-part 131 and the second sub-part 132 can be set as needed. The first sub-part 131 can be used to support the display panel 20, and the second sub-part 132 can fill the gap between the display panel 20 and the bearing part 1311. The materials of the first sub-part 131 and the second sub-part 132 can be the same or different.

[0057] In some embodiments, the materials of the first sub-part 131 and the second sub-part 132 are different. The first sub-part 131 and the second sub-part 132 can be integrally formed. For example, the first sub-part 131 and the second sub-part 132 can be injection-molded into one body by a two-color injection molding process. The two-color injection molding process is a process of injecting two different materials into the same set of molds, so that the injection-molded part is formed by two materials.

[0058] In some embodiments, the elastic modulus of the second sub-part 132 is less than the elastic modulus of the first sub-part 131. For example, the first sub-part 131 is made of a rigid material, and the second sub-part 132 is made of a flexible material. The material of the first sub-part 131 can be thermoplastic polyurethane (TPU), etc. The first sub-part 131 has a small elastic modulus and is easy to deform, and can fill and block the gap between the display panel 20 and the bearing part 1311. The material of the second sub-part 132 can be one or a combination of polycarbonate (PC), acrylonitrile-butadiene-styrene copolymer (ABS), glass fiber-reinforced polycarbonate (GF), etc.

[0059] In some embodiments, the material of the frame 13 is plastic, and the frame 13 can be manufactured by an injection molding process.

[0060] Please combineFigure 2A and Figure 3 The bearing portion 1311 is disposed between the display panel 20 and the backlight module 10, and is used to support the display panel 20. The connecting portion 1312 is connected to the bearing portion 1311, and is disposed on a side of the side panel 112 away from the light source assembly 12, and is used to be detachably connected to the side panel 112.

[0061] The main body 1321 covers a portion of the outer wall of the connecting portion 1312, and the main body 1321 is in direct contact with the connecting portion 1312. The convex portion 1322 is located at one end of the main body 1321 close to the display panel 20, and the convex portion 1322 is in direct contact with the main body 1321.

[0062] It should be noted that, in the first sub-section 131, the convex portion 1322 and the main body portion 1321 are integrally provided. In the second sub-section 132, the bearing portion 1311 and the connecting portion 1312 are integrally provided.

[0063] In some embodiments, the first sub-portion 131 and the second sub-portion 132 may be integrally formed.

[0064] The side wall of the display panel 20 is located on the side of the second sub-portion 132 close to the light source assembly 12. In other words, the side wall of the display panel 20 does not exceed the side wall of the second sub-portion 132 away from the light source assembly 12. Through the above arrangement, the risk of the side wall of the display panel 20 being impacted by external forces can be reduced.

[0065] In some embodiments, the distance L between the side wall of the display panel 20 and the side wall of the second sub-portion 132 may be 0 mm to 0.2 mm. For example, the distance L between the side wall of the display panel 20 and the side wall of the second sub-portion 132 may be 0 mm, 0.05 mm, 0.1 mm, 0.15 mm, 0.2 mm, etc. Among them, the distance between the side wall of the display panel 20 and the side wall of the frame 13 is Figure 2A and Figure 2B The horizontal spacing in .

[0066] Please combine Figure 2A and Figure 3 The protrusion 1322 protrudes from the side surface of the carrying portion 1311 away from the bottom plate 111. That is to say, the protrusion 1322 is closer to the display panel 20 than the carrying portion 1311, that is, the minimum distance between the protrusion 1322 and the display panel 20 is smaller than the minimum distance between the carrying portion 1311 and the display panel 20.

[0067] The orthographic projection of the side wall of the convex portion 1322 close to the bearing portion 1311 on the display panel 20 is located inside the display panel 20. That is to say, in the front view direction, the inner side wall of the convex portion 1322 is blocked by the display panel 20, and the user cannot see the inner side wall of the convex portion 1322 when observing in the front view direction of the display module 1, thereby visually eliminating the gap between the frame 13 and the display panel 20, and improving the visual effect of the outside of the display module 1. The front view direction refers to Figure 2A The direction when observing along the direction perpendicular to the display surface, that is, observing from the top of the display module 1 facing the display surface.

[0068] Alternatively, if Figure 2A As shown, the backlight module 10 includes a bonding portion 14, a side surface of the bonding portion 14 close to the display panel 20 is bonded to the display panel 20, and a side surface of the bonding portion 14 close to the frame 13 is bonded to the frame 13; wherein the elastic modulus of the protrusion 1322 is smaller than the elastic modulus of the bearing portion 1311.

[0069] The adhesive part 14 is made of an adhesive material and is used to fix the display panel 20 to the backlight module 10 . The upper surface of the adhesive part 14 is bonded to the display panel 20 , and the lower surface of the adhesive part 14 is bonded to the frame 13 .

[0070] In some embodiments, the material of the adhesive portion 14 can be foam adhesive, pressure-sensitive adhesive, optical adhesive, etc., but is not limited thereto.

[0071] The elastic modulus refers to the ratio of stress to strain. The elastic modulus reflects the rigidity of the material. The larger the elastic modulus, the more difficult it is for the material to deform elastically when subjected to stress, that is, under the same stress, the smaller the strain generated; the smaller the elastic modulus, under the same stress, the greater the strain generated, and the easier it is for the material to deform elastically.

[0072] The elastic modulus of the convex portion 1322 is smaller than that of the bearing portion 1311. That is to say, under the same force, the bearing portion 1311 is less likely to deform relative to the convex portion 1322, thereby ensuring that the bearing portion 1311 supports the display panel 20. The convex portion 1322 is more likely to deform relative to the bearing portion 1311. When the display panel 20 is assembled with the backlight module 10, after the convex portion 1322 abuts against the display panel 20, the convex portion 1322 is easily deformed and will not squeeze the display panel 20 and cause damage to the display panel 20.

[0073] In some embodiments, the elastic modulus of the bonding portion 14 is less than that of the convex portion 1322. That is to say, under the same force, the bonding portion 14 is more likely to deform relative to the convex portion 1322. When the display panel 20 is assembled with the backlight module 10, the bonding portion 14 is prone to deformation and does not hinder the display panel 20 from approaching the backlight module 10, thereby reducing the gap between the display panel 20 and the backlight module 10 in the assembly direction. Among them, the assembly direction of the display panel 20 and the backlight module 10 is the thickness direction of the display module 1, which is also the Figure 2A vertical direction in

[0074] Please refer to Figure 6 , Figure 6 which shows a schematic diagram of the process of assembling the display panel 20 and the backlight module 10. When the display panel 20 is assembled with the backlight module 10, after aligning the display panel 20 and the backlight module 10, the display panel 20 is moved closer to the backlight module 10 in the vertical direction, and a certain pressure is applied to the display panel 20 to make the viscosity of the bonding portion 14 take effect. The bonding portion 14 is deformed under pressure, and the convex portion 1322 is also deformed under pressure. After the pressure is no longer applied, the convex portion 1322 rebounds to its normal structural state. Among them, the direction of the pressure is the Figure 6 arrow direction in

[0075] i.e., pressing downward along the surface of the display panel 20. The normal structural state of the bonding portion 14 means that the bonding portion 14 is neither in a compressed state nor in a stretched state. At this time, when observing from the side of the display module 1, the convex portion 1322 blocks the gap between the display panel 20 and the bearing portion 1311, thereby achieving the visual effect of no gap when observing from the side of the display module 1.

[0075] Optionally, as shown in Figure 3 , the width w1 of the end of the convex portion 1322 close to the display panel 20 is less than the width w2 of the end of the convex portion 1322 far from the display panel 20. That is to say, the upper end of the convex portion 1322 is narrower and the lower end is wider. Among them, the width refers to the dimension in the direction perpendicular to the thickness of the side plate 112, that is, the Figure 3 horizontal dimension in

[0076] Please refer to Figure 6 , by setting the width of the upper end of the convex portion 1322 to be less than the width of the lower end of the convex portion 1322, the upper end of the convex portion 1322 is more prone to deformation than the lower end of the convex portion 1322. When the display panel 20 approaches the convex portion 1322 during the assembly process, the convex portion 1322 is more prone to deformation, thereby reducing the resistance received by the display panel 20 and also reducing the risk of damage to the display panel 20 due to force.

[0077] In some embodiments, as shown in Figure 5 , Figure 5 shows Figure 2ASchematic diagrams of various enlarged structures of the convex portion 1322 in []. As shown in (a), the cross-sectional shape of the convex portion 1322 can be trapezoidal. As shown in (b), the cross-sectional shape of the convex portion 1322 can be triangular. As shown in (c), the cross-sectional shape of the convex portion 1322 can be a triangle with an arc at the upper end. As shown in (d), the cross-sectional shape of the convex portion 1322 can be a trapezoid with a rough surface on the right side. The cross-section of the convex portion 1322 can also be other shapes, and this application does not limit this.

[0078] Optionally, Figure 4 For Figure 2A Another enlarged structure schematic diagram of the housing 13 in []. Figure 4 The embodiment in [] is different from the embodiment in [] in terms of the extension portion 1323. Please refer to Figure 3 and Figure 2A and Figure 4 The second sub-portion 132 further includes an extension portion 1323 connected to the convex portion 1322. The extension portion 1323 covers a part of the surface of the bearing portion 1311 close to the display panel 20; the bonding portion 14 is bonded to the extension portion 1323.

[0079] By providing the extension portion 1323, on the one hand, the contact area between the first sub-portion 131 and the second sub-portion 132 can be increased, reducing the risk of peeling between the first sub-portion 131 and the second sub-portion 132; on the other hand, the thickness of the flexible material between the display panel 20 and the bearing portion 1311 can be increased, reducing the risk of damage to the display panel 20 due to force during assembly. It should be noted that since the elastic moduli of both the bonding portion 14 and the extension portion 1323 are smaller than the elastic modulus of the bearing portion 1311, the bonding portion 14 and the extension portion 1323 can be regarded as flexible materials, and the bearing portion 1311 can be regarded as a rigid material.

[0080] Optionally, please refer to Figure 2A and Figure 4 On the surface of the bearing portion 1311 facing away from the bottom plate 111, a boss 1311a is provided. The bonding portion 14 is provided between the convex portion 1322 and the boss 1311a. The surface of the boss 1311a facing away from the bottom plate 111 protrudes from the surface of the extension portion 1323 facing away from the bottom plate 111.

[0081] The bonding portion 14 is provided between the convex portion 1322 and the boss 1311a. The boss 1311a can limit the bonding portion 14 to prevent the bonding portion 14 from entering the light-emitting surface of the backlight module 10. The upper surface of the boss 1311a protrudes from the upper surface of the extension portion 1323. That is to say, after providing the extension portion 1323, the boss 1311a can still limit the bonding portion 14.

[0082] Optionally, please refer to Figure 2A and Figure 3, a convex platform 1311a is provided on the surface of the bearing part 1311 facing away from the bottom plate 111. The bonding part 14 is arranged between the convex part 1322 and the convex platform 1311a, and the bonding part 14 is bonded to the bearing part 1311.

[0083] The bonding part 14 is arranged between the convex part 1322 and the convex platform 1311a. The convex platform 1311a can limit the bonding part 14 to prevent the bonding part 14 from entering the light-emitting surface of the backlight module 10.

[0084] In some embodiments, in the thickness direction of the display module 1, the height of the convex part 1322 is greater than or equal to the thickness of the bonding part 14. Wherein, the height of the convex part 1322 and the thickness of the bonding part 14 are both dimensions in the thickness direction of the display module 1. That is to say, in the thickness direction of the display module 1, the convex part 1322 overlaps with the display panel 20, that is, the upper surface of the convex part 1322 is flush with the lower surface of the display panel 20, or the plane where the upper surface of the convex part 1322 is located is between the lower surface and the upper surface of the display panel 20.

[0085] Optionally, as Figure 2A shown, the display panel 20 includes a first substrate 211 and a second substrate 212 that are opposite and spaced apart. The first substrate 211 is arranged on the side of the second substrate 212 away from the bottom plate 111. The display panel 20 further includes a first polarizer 22 arranged on the surface of the first substrate 211 facing away from the backlight module 10, and the first polarizer 22 at least covers the surface of the first substrate 211 facing away from the second substrate 212.

[0086] A liquid crystal layer (not shown in the figure) is arranged between the first substrate 211 and the second substrate 212. By applying different electric fields to the liquid crystal molecules in the liquid crystal layer, their orientations are changed, thereby controlling the transmission or blocking of light, and further controlling the brightness of the display screen.

[0087] A color filter layer is arranged on one of the first substrate 211 or the second substrate 212. The color filter layer can convert white light into colored light, thereby presenting a color image. Specifically, the color filter layer can include a red color resist, a green color resist, and a blue color resist. The red color resist allows red light to pass through while blocking light of other colors, the green color resist allows green light to pass through while blocking light of other colors, and the blue color resist allows blue light to pass through while blocking light of other colors. Color resists of different colors can convert the white light of the backlight into corresponding colored light, thereby realizing full-color display.

[0088] As Figure 2A shown, a first polarizer 22 is provided on the upper surface of the first substrate 211, and a second polarizer 23 is provided on the lower surface of the second substrate 212.

[0089] Both the first polarizer 22 and the second polarizer 23 include a polyvinyl alcohol (PVA) film, a triacetyl cellulose (TAC) film, a pressure-sensitive adhesive (PSA), a release film, a protective film, etc. The first polarizer 22 and the second polarizer 23 are used to control the polarization direction of light, so that light enters the liquid crystal layer in a specific polarization state. Only the light that is consistent with the polarization direction of the polarizer can pass through, thereby realizing the modulation of light and ensuring that the liquid crystal layer can effectively control the transmission and blocking of light.

[0090] The first polarizer 22 at least covers the surface of the first substrate 211 on the side facing away from the backlight module 10, that is, the first polarizer 22 completely blocks the upper surface of the first substrate 211. That is to say, the orthographic projection of the first polarizer 22 on the first substrate 211 coincides with the first substrate 211, or the orthographic projection of the first polarizer 22 on the first substrate 211 exceeds the first substrate 211.

[0091] Since the light transmittance of the first polarizer 22 is relatively low and it is close to black when viewed visually, the first polarizer 22 can be used to block the first substrate 211 to prevent the edge of the first substrate 211 from being observed and affecting the appearance of the display module 1.

[0092] As Figure 2A shown, the size of the second polarizer 23 can be smaller than the size of the second substrate 212, that is, the second polarizer 23 is retracted inward relative to the edge of the second substrate 212. After the second polarizer 23 is retracted inward, the bonding portion 14 can be bonded to the second substrate 212. By retracting the second polarizer 23 inward, the second polarizer 23 and the bonding portion 14 can be staggered in the horizontal direction, thereby reducing the overall thickness of the display module 1.

[0093] In some other embodiments, the second polarizer 23 can cover the second substrate 212. That is to say, the area of the second polarizer 23 can be the same as the area of the first substrate 211. Through the above settings, the lower surface of the second substrate 212 can be protected by the second polarizer 23 to prevent the display panel 20 from being damaged by force impact during the assembly process with the backlight module 10.

[0094] Optionally, as Figure 2A shown, light-shielding glue 24 is provided on the side walls of the first substrate 211 and the second substrate 212, and the first polarizer 22 covers the edge of the light-shielding glue 24 on the side close to the first substrate 211, that is, the orthographic projection of the side wall of the first polarizer 22 on the light-shielding glue 24 is located within the light-shielding glue 24. That is to say, the side walls of the first substrate 211 and the second substrate 212 are covered with light-shielding glue 24, and the surface of the light-shielding glue 24 protrudes outward. Through the above settings, the edge light leakage of the display module 1 can be blocked by the light-shielding glue 24.

[0095] As Figure 2AAs shown, the distance L between the side wall of the display panel 20 and the side wall of the second sub - part 132 refers to the distance between the light - shielding adhesive 24 and the side wall of the second sub - part 132 on the side facing away from the light source assembly 12.

[0096] In some embodiments, the light - shielding adhesive 24 is a light - shielding material, such as a black curable adhesive, etc.

[0097] In some embodiments, the surface of the light - shielding adhesive 24 is an arc surface, and the center of the arc is located inside the display panel 20.

[0098] Since the side walls of the first substrate 211 and the second substrate 212 are provided with the light - shielding adhesive 24, and the light - shielding adhesive 24 is in a convex arc shape, the highest point in the arc is the vertex, and the vertex is also the point in the side wall of the display panel 20 that is farthest from the centers of the first substrate 211 and the second substrate 212. In the side - viewing direction, the area where the vertex is located can block the inner side wall of the convex portion 1322, further reducing the gap between the inner side wall of the convex portion 1322 and the display panel 20. At the same time, since the side wall of the display panel 20 on the side close to the backlight module 10 is retracted relative to the vertex, the side wall of the convex portion 1322 can be closer to the side walls of the first substrate 211 and the second substrate 212, further reducing the gap between the convex portion 1322 and the first substrate 211 and the second substrate 212.

[0099] Optionally, as Figure 2B shown, Figure 2B the embodiment in Figure 2A differs from the embodiment in

[0100] in that the convex portion 1322 and the first polarizing plate 22. The first polarizing plate 22 at least covers the gap between the convex portion 1322 and the first substrate 211, and the edge of the first polarizing plate 22 is located on the side of the side wall of the second sub - part 132 close to the light source assembly 12. Through the above - mentioned setting, the first polarizing plate 22 can block the gap between the convex portion 1322 and the first substrate 211, achieving no gap in the front - view. Figure 2B As

[0101] shown, since the first polarizing plate 22 extends beyond the upper surface of the first substrate 211, at this time, the distance L between the side wall of the display panel 20 and the side wall of the second sub - part 132 refers to the distance between the edge of the first polarizing plate 22 and the side wall of the second sub - part 132.

[0102] In some embodiments, the side wall of the first polarizing plate 22 is flush with the side wall of the second sub - part 132 on the side facing away from the light source assembly 12, that is, L is 0 mm. In this way, in the front - view, the first polarizing plate 22 can completely block the backlight module 10, avoiding the visual difference between the first polarizing plate 22 and the convex portion 1322.In some embodiments, the convex portion 1322 covers at least a part of the sidewalls of the first substrate 211 and the second substrate 212. That is to say, the convex portion 1322 can extend to be close to the first polarizer 22. At this time, the convex portion 1322 can replace the light-shielding adhesive 24 for light shielding. Therefore, the convex portion 1322 can be used to replace the light-shielding adhesive 24, simplifying the manufacturing process of the display panel 20.

[0103] To increase the light-shielding area of the convex portion 1322, the convex portion 1322 can cover the sidewall of the second substrate 212 and at least a part of the sidewall of the first substrate 211.

[0104] In some embodiments, the convex portion 1322 can be in contact with the first polarizer 22, further improving the light-blocking effect of the convex portion 1322 on the light at the edge of the backlight module 10.

[0105] Optionally, please refer to Figure 2A 、 Figure 3 、 Figure 4 and Figure 7 , one end of the connecting portion 1312 away from the bearing portion 1311 protrudes from one end of the main body portion 1321 away from the convex portion 1322.

[0106] As Figure 7 shown, in a second aspect, as Figure 7 shown, the present application provides a display terminal 3, and the display terminal 3 includes a rear case 2 and the above-mentioned display module 1.

[0107] As Figure 7 shown, the display module 1 is assembled with the rear case 2. After assembly, the rear case 2 is docked with the lower surface of the frame 13, and the outer surface of the rear case 2 is flush with the outer sidewall of the frame 13. Through the above arrangement, an increase in the border width of the display terminal 3 can be avoided. Herein, docking means that the end face of the frame 13 and the end face of the rear case 2 are opposite to each other and approach each other.

[0108] In the related art, the rear case 2 surrounds the periphery of the frame 13, which will increase the border width of the display terminal 3, and the increased width is the thickness of the rear case 2. In the present application, however, the rear case 2 can be docked with the lower surface of the frame 13, so that the border width of the display terminal 3 will not be increased.

[0109] As Figure 7 shown, since one end of the connecting portion 1312 away from the bearing portion 1311 protrudes from one end of the main body portion 1321 away from the convex portion 1322, that is, the main body portion 1321 is retracted relative to the connecting portion 1312. When the frame 13 is docked with the rear case 2, the rear case 2 can be in contact with the main body portion 1321, thereby eliminating the gap between the main body portion 1321 and the frame 13.

[0110] It should be understood that in some embodiments, since the main body portion 1321 is made of a flexible material and can be deformed appropriately, after the rear shell 2 abuts against the end face of the main body portion 1321, there can be almost no gap. And the connecting portion 1312 is made of a rigid material, and the rigid material is not easily deformed, so the gap between the connecting portion 1312 and the rear shell 2 is relatively large. That is to say, after assembly, the gap between the main body portion 1321 and the rear shell 2 is smaller than the gap between the connecting portion 1312 and the rear shell 2. Since the main body portion 1321 is retracted relative to the connecting portion 1312, the gap between the main body portion 1321 and the rear shell 2 can be blocked by the outer surface of the rear shell 2, thereby improving the appearance effect of the display terminal 3.

[0111] In some embodiments, the rear shell 2 has the same color as the frame 13, that is, there is no color difference between the rear shell 2 and the frame 13, thereby making the display terminal 3 more beautiful.

[0112] In this embodiment, the display terminal 3 can be: a mobile phone, a tablet computer, a television, a monitor, a laptop computer, a digital photo frame, a navigator, or any other product or component with a display function.

[0113] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more, unless otherwise specifically defined.

[0114] In the above embodiments, the descriptions of the respective embodiments have their own emphases. For the parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0115] The embodiments, implementation manners and related technical features of the present application can be combined and replaced with each other without conflict.

[0116] The above are only the preferred embodiments of the present application and do not impose any form of limitation on the present application. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application still fall within the scope of the technical solution of the present application.

Claims

1. A display module, characterized in that include: A backlight module, comprising a back plate, a light source assembly and a frame, wherein the back plate comprises a bottom plate and a side plate arranged at the periphery of the bottom plate, the bottom plate and the side plate form a receiving cavity, the light source assembly is arranged in the receiving cavity, the frame is arranged at the edge of the back plate, and the frame comprises a first sub-section and a second sub-section connected to each other; A display panel is arranged on a light emitting surface side of the backlight module; Among them, the first sub-part includes a bearing part arranged between the side plate and the display panel and a connecting part arranged on the side of the side plate away from the light source assembly, the second sub-part includes a connected main body part and a convex part, the main body part covers a part of the side wall of the connecting part away from the side plate, the convex part protrudes from the surface of the bearing part on the side away from the bottom plate, the side wall of the display panel is located on the side of the side wall of the second sub-part close to the light source assembly, and the orthographic projection of the side wall of the convex part close to the bearing part on the display panel is located inside the display panel.

2. The display module according to claim 1, wherein The backlight module comprises a bonding portion, a surface of the bonding portion close to the display panel is bonded to the display panel, and a surface of the bonding portion close to the frame is bonded to the frame; Wherein, the elastic modulus of the convex portion is smaller than the elastic modulus of the bearing portion.

3. The display module according to claim 2, wherein The width of one end of the convex portion close to the display panel is smaller than the width of one end of the convex portion away from the display panel.

4. The display module according to claim 3, wherein The second sub-portion further includes an extending portion connected to the convex portion, wherein the extending portion covers a portion of the surface of the bearing portion on a side close to the display panel; and the bonding portion is bonded to the extending portion.

5. The display module according to claim 4, wherein A boss is provided on one side of the bearing portion away from the bottom plate, the bonding portion is provided between the boss and the boss, and the boss is protruding from the other side of the extending portion away from the bottom plate.

6. The display module according to claim 2, wherein A boss is arranged on a surface of one side of the bearing part away from the bottom plate, the bonding part is arranged between the convex part and the boss, and the bonding part is bonded to the bearing part.

7. The display module according to any one of claims 2 to 6, characterized in that, In the thickness direction of the display module, the height of the protrusion is greater than or equal to the thickness of the adhesive portion.

8. The display module according to claim 3, characterized in that The display panel includes a first substrate and a second substrate that are opposite and spaced apart, the first substrate being arranged on a side of the second substrate that is away from the backlight module, the display panel also includes a first polarizer arranged on a side of the first substrate that is away from the second substrate, the first polarizer at least covers a surface of the first substrate that is away from the second substrate, side walls of the first substrate and the second substrate are provided with light-shielding glue, and the first polarizer covers an edge of the light-shielding glue on a side close to the first substrate.

9. The display module according to claim 3, wherein The display panel includes a first substrate and a second substrate that are opposite and spaced apart. The first substrate is disposed on a side of the second substrate facing away from the backlight module. The display panel further includes a first polarizer disposed on a side of the first substrate facing away from the second substrate. The first polarizer at least covers a gap between the convex portion and the first substrate, and an edge of the first polarizer is located on a side of a side wall of the second sub - portion close to the light source assembly.

10. A display terminal, characterized in that, It includes a rear case and the display module according to any one of claims 1 to 9. The rear case is connected to an end of the main body portion and the connecting portion facing away from the display panel.

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