Display module and display terminal

Abstract

Disclosed in the present application are a display module and a display terminal. The display module comprises a display panel and a support layer, wherein the support layer comprises a bending portion and a non-bending portion; a first sub-portion passes through a bending center line; the thickness of the first sub-portion is less than the thickness of the non-bending portion; the surface of one side of the first sub-portion is recessed towards the display panel.

Description

Display module and display terminal

[0001] This application claims priority to Chinese Patent Application No. 202411258975.4, filed on September 9, 2024, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0002] The present application relates to the technical field of display, in particular to a display module and a display terminal. BACKGROUND

[0003] With the maturation of the folding display module market, consumers' performance requirements for folding display modules are gradually increasing. The folding display module includes a display panel and a support layer. During the assembly or falling process of the folding display module, the display panel and the support layer are prone to damage due to interference with external structures after the product vibrates, especially in the area of the display panel corresponding to the bending part, which is prone to display defects such as black spot defects.

[0004] Therefore, it is urgent to solve the above technical problems. SUMMARY

[0005] The present application provides a display module and a display terminal to improve the technical problem that the display module is prone to display defects in the bending part during assembly or falling.

[0006] To solve the above technical problems, the technical solutions provided by the present application are as follows:

[0007] The present application provides a display module, which comprises:

[0008] a display panel;

[0009] a support layer disposed on a side of the display panel away from the light-out direction of the display panel, the support layer comprising a bending part and non-bending parts disposed on both sides of the bending part;

[0010] wherein the bending part comprises a first sub-part, a bending center line of the bending part is located in the first sub-part, a thickness of the first sub-part is less than a thickness of the non-bending part, and a surface of the side of the first sub-part away from the display panel is recessed toward the side of the display panel.

[0011] The present application provides a display terminal, which comprises a bottom plate and the above-mentioned display module, the display module comprising:

[0012] a display panel;

[0013] a support layer disposed on a side of the display panel away from the light-out direction of the display panel, the support layer comprising a bending part and non-bending parts disposed on both sides of the bending part;

[0014] The bending portion comprises a first sub-portion, a bending center line of the bending portion is located in the first sub-portion, a thickness of the first sub-portion is less than a thickness of the non-bending portion, and a surface of the first sub-portion away from the display panel is recessed toward the display panel side;

[0015] The bottom plate is arranged on a side of the support layer away from the display panel, a normal projection of the first sub-portion on the bottom plate is located in the bottom plate, and the first sub-portion is arranged in a spaced manner with the bottom plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] The technical solutions and other beneficial effects of the present application will be apparent from the following detailed description of specific embodiments of the present application, combined with the accompanying drawings.

[0017] FIG. 1 is a top view of a display module in a flat state according to an embodiment of the present application;

[0018] FIG. 2A is a structural schematic diagram of a support layer in two different perspectives according to an embodiment of the present application;

[0019] FIG. 2B is a structural schematic diagram of the support layer in a folded state according to an embodiment of the present application;

[0020] FIG. 3 is a cross-sectional structural schematic diagram of C-C in FIG. 1 according to an embodiment of the present application;

[0021] FIG. 4 is a cross-sectional structural schematic diagram of C-C in the display module in a folded state according to an embodiment of the present application;

[0022] FIG. 5 is a cross-sectional structural schematic diagram of a part of another display module according to an embodiment of the present application;

[0023] FIGS. 6A to 6D are process flow schematic diagrams of a support layer, a first adhesive portion, and a second adhesive portion according to an embodiment of the present application;

[0024] FIG. 7A is a schematic diagram of a display terminal in a flat state according to an embodiment of the present application;

[0025] FIG. 7B is a schematic diagram of a display terminal in a folded state according to an embodiment of the present application. Embodiments of the present application

[0026] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application. In addition, it should be understood that the specific implementation described herein is only used to illustrate and explain the present application, and is not used to limit the present application. In the present application, the orientation words such as “upper” and “lower” generally refer to the upper and lower in the actual use or working state of the device, and specifically refer to the direction of the drawing surface in the drawings; and “inner” and “outer” refer to the contour of the device.

[0027] The present application provides a display module 1, as shown in FIGS. 1-4, the display module 1 comprises a display panel 10 and a support layer 20, the support layer 20 is arranged on the side of the display panel 10 away from the light-emitting direction of the display panel 10, the support layer 20 comprises a bending part 21 and a non-bending part 22 arranged on both sides of the bending part 21; wherein the bending part 21 comprises a first sub-part 211, the bending center line 21a of the bending part 21 is located in the first sub-part 211, the thickness d1 of the first sub-part 211 is smaller than the thickness d3 of the non-bending part 22, and the surface of the side of the first sub-part 211 away from the display panel 10 is recessed towards the side of the display panel 10.

[0028] In the present embodiment, the display module 1 is a foldable display product. The folding form of the display module 1 can be a water drop type, but is not limited thereto.

[0029] In the present embodiment, the display panel 10 is a flexible panel. The display panel 10 can be an OLED panel, a Mini-LED panel, a Micro-LED panel, etc. The surface of the side of the display panel 10 away from the light-emitting direction is a display surface, which is used for displaying a picture.

[0030] As shown in FIG. 1, the display panel 10 comprises a display area AA and a non-display area NA arranged on the periphery of the display area AA. The display area AA is provided with a plurality of sub-pixels (not shown in the figure), which can be red sub-pixels, green sub-pixels, and blue sub-pixels, thereby realizing color display. The non-display area NA can be provided with a driving circuit, which is used for providing driving signals for the sub-pixels. The driving circuit comprises a gate driving circuit, etc.

[0031] In the present embodiment, as shown in FIGS. 3 and 4, the display panel 10 and the support layer 20 are arranged in layers, and the support layer 20 is arranged on the back of the display panel 10 to avoid blocking the display surface. The support layer 20 is adhesively arranged on the back of the display panel 10. The support layer 20 is used for providing back support and protection for the display panel 10, so that the back of the display panel 10 is not easily damaged by impact.

[0032] The material of the support layer 20 can be metal, such as stainless steel, titanium alloy, etc. The material of the support layer 20 can also be a composite material, such as carbon fiber, etc.

[0033] As shown in FIG. 2A, (a) of FIG. 2A shows a top view schematic diagram of the support layer 20, and (b) of FIG. 2A shows a cross-sectional view schematic diagram of the support layer 20. The support layer 20 includes a bending portion 21 and a non-bending portion 22. The bending portion 21 has a bending center line 21a, and the bending portion 21 can bend around the bending center line 21a.

[0034] As shown in FIG. 4, the folding state of the display module 1 is shown. After the support layer 20 is bent, the display panel 10 can follow the support layer 20 to bend. As shown in FIG. 3, the flat state of the display module 1 is shown. When the support layer 20 is flat, the display panel 10 can follow the support layer 20 to be flat. The display module 1 can be switched between the folding state and the flat state, so as to be suitable for different application scenarios.

[0035] As shown in FIG. 7A and FIG. 7B, the external structure includes a bottom plate 31, which is arranged on the side of the support layer 20 away from the display panel 10, and the bottom plate 31 can be arranged corresponding to the middle region of the bending portion 21. The distance between the bottom plate 31 and the first sub-portion 211 in the thickness direction is greater than zero. Optionally, the orthogonal projection of the bending center line 21a on the bottom plate 31 can substantially overlap with the central axis of the bottom plate 31. After the display module 1 is assembled with the external structure such as the bottom plate 31, since the bending portion 21 is provided with the groove 201a, the distance between the first sub-portion 211 and the bottom plate 31 is increased, and the first sub-portion 211 is not easy to interfere with the bottom plate 31 during the falling and dropping process, thereby reducing the risk that the first sub-portion 211 interferes with the display panel 10 after being impacted to cause the display panel 10 to have display defects.

[0036] In the embodiment, as shown in FIG. 2A and FIG. 3, the bending portion 21 includes a first sub-portion 211, the thickness d1 of the first sub-portion 211 is less than the thickness d3 of the non-bending portion 22, and the surface of the side of the first sub-portion 211 away from the display panel 10 is recessed to the side of the display panel 10. That is, the corresponding region of the first sub-portion 211 in the bending portion 21 is thinned, and the thinning manner is that the side surface of the bending portion 21 close to the bottom plate 31 is provided with a groove 201a. Through the above arrangement, the distance between the first sub-portion 211 and the bottom plate 31 is increased, and the bottom plate 31 is not easy to collide with the first sub-portion 211 during assembly or falling and dropping, thereby reducing the risk that the first sub-portion 211 interferes with the display panel 10 after being impacted to cause the display panel 10 to have display defects.

[0037] It should be noted that, as shown in FIG. 4, in the folded state of the display module 1, the cross-sectional shape of the bending portion 21 is approximately semicircular, at this time, the midpoint of the semicircular arc is closest to the bottom plate 31 and is most likely to interfere with the bottom plate 31. Therefore, the first sub-portion 211 at least includes the region corresponding to the midpoint of the semicircular arc, that is, the bending center line 21a of the bending portion 21 is located in the first sub-portion 211. The region of the bending portion 21 close to the non-bending portion 22 is not easy to interfere with the bottom plate 31, therefore, the region of the bending portion 21 can be provided with a groove 201a or not provided with a groove 201a. That is, the first sub-portion 211 is the part of the bending portion 21 that is orthogonally projected in the bottom plate 31. In FIG. 4, the case where the entire surface of the bending portion 21 is provided with a groove 201a is shown, which should not be understood as a limitation of the present application.

[0038] It should be understood that when the part of the bending portion 21 other than the first sub-portion 211 is thinned, the bending stress is reduced due to the reduction in thickness, and thus the stress of the support layer 20 during the bending process can be reduced. When the part of the bending portion 21 other than the first sub-portion 211 is not thinned, the mechanical strength of the part can be ensured. Whether the part of the bending portion 21 other than the first sub-portion 211 is thinned can be set according to actual needs.

[0039] In the display module 1 of the present application, as shown in FIG. 2A, the display module 1 includes a first bending area B1 and a second bending area B2, the bending portion 21 includes a second sub-portion 212 disposed on both sides of the first sub-portion 211, the first sub-portion 211 is located in the first bending area B1, the second sub-portion 212 is located in the second bending area B2, the thickness d1 of the first sub-portion 211 is less than or equal to the thickness d2 of the second sub-portion 212, and the thickness d2 of the second sub-portion 212 is less than the thickness d3 of the non-bending portion 22.

[0040] In the present embodiment, as shown in FIG. 2B, the folded shape of the display module 1 is a water drop type. FIG. 2B shows the cross-sectional structure of the support layer 20 in the water drop type folded shape. Among them, the first bending area B1 is an inner bending area, and the cross-sectional shape of the first bending area B1 is similar to a circular arc. The second bending area B2 is an outer bending area, and the second bending area B2 connects the regions corresponding to the first bending area B1 and the non-bending portion 22. The first sub-portion 211 is located in the first bending area B1, and the first sub-portion 211 can coincide with the region of the first bending area B1. The second sub-portion 212 is located in the second bending area B2, and the second sub-portion 212 can coincide with the region of the second bending area B2. Since the bending radius of the first sub-portion 211 is smaller than the bending radius of the second sub-portion 212, the bending stress of the first sub-portion 211 is greater than the bending stress of the second sub-portion 212, therefore, the thickness of the first sub-portion 211 is set to be less than the thickness of the second sub-portion 212, on the one hand, it is beneficial to improve the bending performance of the display module 1, on the other hand, it can also avoid the interference between the first sub-portion 211 and the external structure.

[0041] In the embodiment, as shown in FIG. 2A, the second sub-section 212 corresponds to the part of the bending section 21 other than the first sub-section 211. When the thickness d1 of the first sub-section 211 is equal to the thickness d2 of the second sub-section 212, the second sub-section 212 is thinned as the first sub-section 211. When the thickness d1 of the first sub-section 211 is less than the thickness d2 of the second sub-section 212, the second sub-section 212 is not thinned or the thickness of the second sub-section 212 after thinning is still greater than the thickness of the first sub-section 211 after thinning.

[0042] In the embodiment, as shown in FIG. 2A, the thickness d2 of the second sub-section 212 is less than the thickness d3 of the non-bending section 22, i.e., the second sub-section 212 can be thinned, and the thickness d2 of the second sub-section 212 after thinning is greater than or equal to the thickness d1 of the first sub-section 211. Through the above setting, the second sub-section 212 can form a transition section, which can reduce the bending stress and ensure the mechanical strength.

[0043] In the embodiment, the thickness d3 of the non-bending section 22 can be 120 microns to 150 microns. Exemplarily, the thickness d3 of the non-bending section 22 can be 120 microns, 125 microns, 130 microns, 135 microns, 140 microns, 145 microns, 150 microns, etc.

[0044] In the embodiment, the thickness d1 of the first sub-section 211 can be 60 microns to 90 microns. Exemplarily, the thickness d1 of the first sub-section 211 can be 60 microns, 65 microns, 70 microns, 75 microns, 80 microns, 85 microns, 90 microns, etc.

[0045] In the embodiment, the thickness d2 of the second sub-section 212 can be 60 microns to 150 microns. Exemplarily, the thickness d2 of the second sub-section 212 can be 60 microns, 65 microns, 70 microns, 75 microns, 80 microns, 85 microns, 90 microns, 95 microns, 100 microns, 105 microns, 110 microns, 115 microns, 120 microns, 125 microns, 130 microns, 135 microns, 140 microns, 145 microns, 150 microns, etc.

[0046] In the embodiment, the depth of the groove 201a is greater than or equal to 30 microns.

[0047] In the embodiment, as shown in FIGS. 6A-6B, the groove 201a can be formed by an etching process. As shown in FIG. 6A, a protective layer is coated on the surface of the support material 201 to be etched. As shown in FIG. 6B, the surface of the support material 201 to be etched is sprayed with a chemical solution. The support material 201 not covered by the protective layer reacts with the chemical solution and is removed, and the support material 201 covered by the protective layer does not react with the chemical solution and is retained. By controlling the pattern of the protective layer, etching of the corresponding regions of the support material 201 can be achieved, and the pattern of the groove 201a can be achieved.

[0048] In the display module 1 of the present application, as shown in FIGS. 3-5, the display module 1 includes at least a first adhesive portion 51 disposed on the side surface of the first sub-portion 211 away from the display panel 10. The modulus of the first adhesive portion 51 is less than or equal to the modulus of the first sub-portion 211, and the sum of the thickness d1 of the first adhesive portion 51 and the first sub-portion 211 is less than or equal to the thickness d3 of the non-bending portion 22.

[0049] In the embodiment, as shown in FIG. 3, the first adhesive portion 51 is disposed on the side surface of the first sub-portion 211 away from the display panel 10, i.e., the first adhesive portion 51 is disposed in the groove 201a. The material of the first adhesive portion 51 can be acrylic, polyurethane, etc. The first adhesive portion 51 can be formed by curing glue, but is not limited thereto.

[0050] The modulus of the first adhesive portion 51 is less than or equal to the modulus of the first sub-portion 211. The modulus of the first adhesive portion 51 can be 10-600 MPa, thereby reducing the risk of bending of the display module 1.

[0051] In the embodiment, the sum of the thickness d1 of the first adhesive portion 51 and the first sub-portion 211 is less than or equal to the thickness d3 of the non-bending portion 22, thereby avoiding the side surface of the first adhesive portion 51 away from the first sub-portion 211 from exceeding the surface of the non-bending portion 22. Through the above arrangement, on the one hand, the gap between the first adhesive portion 51 and the bottom plate 31 can be ensured, and on the other hand, the first adhesive portion 51 can play a shock-absorbing role during assembly or falling of the display module 1, thereby improving the impact resistance of the display module 1.

[0052] In the display module 1 of the present application, as shown in FIGS. 3-5, the first sub-portion 211 is provided with a plurality of through holes 211a penetrating the first sub-portion 211 in the thickness d1 direction of the first sub-portion 211, and the first adhesive portion 51 covers each through hole 211a.

[0053] In the embodiment, by providing a plurality of through holes 211a in the first sub-portion 211, the stress of the support layer 20 during bending can be reduced, and the bending performance of the display panel 10 can be improved.

[0054] The shape of the through hole 211a can be set as required, for example, the through hole 211a can be rectangular, oval or irregular. The present application does not limit this. As shown in FIG. 2A, the through hole 211a can be a long strip-shaped hole, and the long side of the long strip-shaped hole extends along the bending center line 21a. Through the above setting, the bending stress can be further reduced, and the bending performance can be improved.

[0055] In the present embodiment, the first glue part 51 covers each through hole 211a, that is, the first glue part 51 can cover each through hole 211a, so as to avoid foreign matter such as dust from entering the inside of the display module 1 from the through hole 211a.

[0056] As shown in FIG. 6C, the through hole 211a can be formed by etching process. The through hole 211a can be formed by further etching the area corresponding to the groove 201a after the groove 201a is formed. A protective layer is formed on the surface of the groove 201a, and the protective layer has a pattern corresponding to the through hole to be formed. By controlling the pattern of the protective layer, the through hole 211a is formed. After the through hole 211a is formed, the protective layer can be removed.

[0057] In the display module 1 of the present application, as shown in FIGS. 3 to 5, the display module 1 comprises a second glue part 52, the second glue part 52 at least fills part of the through hole 211a, and the second glue part 52 is close to the side surface of the display panel 10 and does not exceed the side surface of the first sub-part 211 close to the display panel 10, and the side surface of the second glue part 52 away from the display panel 10 is connected and arranged with the first glue part 51.

[0058] In the present embodiment, the material of the second glue part 52 can be the same as that of the first glue part 51, and the first glue part 51 and the second glue part 52 are formed after the glue is cured. Through the above setting, the first glue part 51 and the second glue part 52 can be formed by the same process, so as to simplify the manufacturing process of the display module 1.

[0059] As shown in FIG. 6D, the first glue part 51 and the second glue part 52 can be formed by dispensing process. When dispensing, the glue is coated in the groove 201a, and the glue flows along the through hole 211a and fills the through hole 211a. In order to avoid the first glue part 51 or the second glue part 52 protruding from the two side surfaces of the non-bending part 22 to cause interference, the side surface of the first glue part 51 close to the display panel 10 can not exceed the surface of the non-bending part 22, and the side surface of the second glue part 52 away from the display panel 10 can not exceed the surface of the non-bending part 22.

[0060] The glue can fill the through hole 211a. Through the above setting, the second glue part 52 can have a buffering effect, avoid stress concentration of the bending part 21 in the bending process, and improve the bending performance of the display module 1.

[0061] In the display module 1 of the present application, as shown in FIG. 5, FIG. 5 shows another partial structure of the display module 1. The region of the embodiment in FIG. 5 is that the first adhesive part 51 and the second adhesive part 52 are replaced by the buffer layer 40. The display module 1 further comprises the buffer layer 40 arranged on the side surface of the first sub-part 211 away from the display panel 10, the modulus of the buffer layer 40 is less than or equal to the modulus of the first sub-part 211; wherein the sum of the thickness d1 of the buffer layer 40 and the first sub-part 211 is less than or equal to the thickness d3 of the non-bending part 22.

[0062] In the present embodiment, the modulus of the buffer layer 40 is less than or equal to the modulus of the first sub-part 211. The material of the buffer layer 40 is a material with buffering capacity, which can achieve shock absorption. For example, the material of the buffer layer 40 can be at least one of foam, rubber, silica gel and plastic.

[0063] In the present embodiment, the buffer layer 40 can be bonded to the side surface of the first sub-part 211 away from the display panel 10, that is, the buffer layer 40 is arranged in the groove 201a. That is, the buffer layer 40 can comprise a laminated adhesive material 41 and a buffer material 42, the adhesive material 41 is used to attach the buffer material 42 to the first sub-part 211.

[0064] The size of the buffer layer 40 can be set as needed. It should be understood that in order to achieve better buffering effect, the buffer layer 40 can be arranged corresponding to the first sub-part 211, that is, the buffer layer 40 covers the bottom surface of the groove 201a, the bottom surface of the groove 201a refers to the surface of the first sub-part 211 away from the display panel 10.

[0065] It should be noted that in order to avoid the buffer layer 40 exceeding the surface of the non-bending part 22 and interfering with the bottom plate 31. The total thickness of the buffer layer 40 and the first sub-part 211 can be less than or equal to the thickness d3 of the non-bending part 22. Through the above setting, the side surface of the buffer layer 40 away from the display panel 10 can be prevented from exceeding the side surface of the non-bending part 22 away from the display panel 10. On the one hand, the gap between the buffer layer 40 and the bottom plate 31 can be ensured, on the other hand, during the assembly or falling of the display module 1, the bottom plate 31 contacts the buffer layer 40, the buffer layer 40 can be deformed, which plays a role in shock absorption and improves the impact resistance of the display module 1.

[0066] In the display module 1 of the present application, as shown in FIG. 5, the first sub-part 211 is provided with a plurality of through holes 211a, the through holes 211a penetrate the first sub-part 211 along the thickness d1 direction of the first sub-part 211, and the buffer layer 40 covers at least each through hole 211a.

[0067] In the present embodiment, the through hole 211a can be provided by referring to the above embodiments. The through hole 211a can reduce the bending stress of the support layer 20, but at the same time, foreign matter such as dust can also enter the inside of the display module 1 from the through hole 211a. By covering the through hole 211a with the buffer layer 40, the buffer layer 40 can be used to isolate foreign matter such as dust.

[0068] In the display module 1 of the present application, as shown in FIG. 2A, the hole width w of the through hole 211a is greater than or equal to the thickness d1 of the first sub portion 211. The hole width w of the through hole 211a refers to the length of the short side of the through hole 211a or the smallest dimension in the through hole 211a.

[0069] Due to the limitation of the processing precision, the hole width w of the through hole 211a needs to be greater than or equal to the thickness of the material to be etched. Since in the present application, the thickness d1 of the first sub portion 211 is less than the thickness d3 of the non-bending portion 22, it is equivalent to reducing the thickness d1 of the first sub portion 211, so as to reduce the hole width w of the through hole 211a. In the production process of the display module 1, the hole width w of the through hole 211a is smaller, which can further reduce the risk of foreign matter such as dust falling into the through hole 211a before the buffer layer 40 or the first adhesive portion 51 is formed.

[0070] In the display module 1 of the present application, the difference between the thickness d1 of the first sub portion 211 and the non-bending portion 22 is greater than or equal to 30 microns. That is, the depth of the groove 201a is greater than or equal to 30 microns.

[0071] The present application provides a display terminal 2, as shown in FIGS. 7A and 7B, the display terminal 2 comprises a bottom plate 31 and the above-mentioned display module 1, the bottom plate 31 is arranged on the side of the support layer 20 away from the display panel 10, the orthographic projection of the first sub portion 211 on the bottom plate 31 is located in the bottom plate 31, and the first sub portion 211 is arranged in a spaced manner with the bottom plate 31.

[0072] After the display module 1 and the bottom plate 31 are assembled, in the case that the minimum spacing distance between the bottom plate 31 and the non-bending portion 22 is the same, since the bending portion 21 is provided with the groove 201a, the spacing between the first sub portion 211 and the bottom plate 31 is increased, and in the process of falling and dropping, the first sub portion 211 is not easy to interfere with the bottom plate 31, thereby reducing the risk that the first sub portion 211 interferes with the display panel 10 after being impacted to cause the display panel 10 to display abnormally.

[0073] In the embodiment, as shown in FIGS. 7A and 7B, the display terminal 2 comprises a side plate 32 arranged on the side of the support layer 20 away from the display panel 10, the side plate 32 is located on both sides of the bottom plate 31, the side plate 32 is rotationally connected with the bottom plate 31, and the side plate 32 is arranged corresponding to the non-bending part 22. The bottom plate 31 is arranged corresponding to the first sub part 211, and the side plate 32 is arranged corresponding to the non-bending part 22. The bottom plate 31 can be the bottom plate 31 in the whole machine bending assembly, and the side plate 32 can be the frame of the whole machine. The bottom plate 31 is not fixedly connected with the support layer 20, and one side plate 32 is arranged corresponding to and connected with one non-bending part 22. For example, the side plate 32 can be bonded to the non-bending part 22 through a glue layer 321.

[0074] The bottom plate 31 and the side plate 32 are rotationally connected, the side plate 32 can rotate around the central axis of the bottom plate 31, so as to drive the display panel 10 and the support layer 20 to realize the switching between the folding state and the flat state. The extension direction of the central axis of the bottom plate 31 is parallel to the bending center line 21a of the bending part 21.

[0075] As shown in FIG. 7A, in the flat state of the display terminal 2, the bottom plate 31 and the side plate 32 can be located on the same horizontal plane. Since the first sub part 211 is concave relative to the surface of the non-bending part 22, the minimum distance between the first sub part 211 and the bottom plate 31 is greater than the minimum distance between the non-bending part 22 and the side plate 32, which can avoid the interference between the first sub part 211 and the bottom plate 31 in the flat state.

[0076] As shown in FIG. 7B, in the folding state of the display terminal 2, after the side plate 32 rotates around the central axis of the bottom plate 31, the two side plates 32 are oppositely arranged. The minimum distance between the non-bending part 22 and the side plate 32 remains unchanged, that is, the minimum distance between the non-bending part 22 and the side plate 32 in the folding state is the same as that in the flat state. In the case that the minimum distance between the bending part 22 and the side plate 32 is constant, since the first sub part 211 is concave relative to the surface of the non-bending part 22, the minimum distance between the first sub part 211 and the bottom plate 31 is increased, thereby reducing the risk of interference between the first sub part 211 and the bottom plate 31 in the folding state.

[0077] In the embodiment, the display terminal 2 can be any product or component with display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, etc.

[0078] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0079] The display module and the display terminal provided by the embodiments of the present application are described in detail above, and the principles and implementation manners of the present application are described by applying specific examples. The above description of the embodiments is only used to help understand the technical solutions of the present application and the core ideas thereof. It should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features thereof can be replaced equivalently, and the modification or replacement does not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A display module, comprising: a display panel; a support layer disposed on a side of the display panel away from a light-out direction of the display panel, the support layer comprising a bending portion and non-bending portions disposed on both sides of the bending portion; wherein the bending portion comprises a first sub-portion, a bending center line of the bending portion is located within the first sub-portion, a thickness of the first sub-portion is less than a thickness of the non-bending portions, and a surface of the first sub-portion away from the display panel is recessed toward the display panel.

2. The display module of claim 1, wherein, The display module comprises a first bending region and a second bending region, the bending portion comprises second sub-portions disposed on both sides of the first sub-portion, the first sub-portion is located in the first bending region, the second sub-portions are located in the second bending region, the thickness of the first sub-portion is less than or equal to the thickness of the second sub-portions, and the thickness of the second sub-portions is less than the thickness of the non-bending portions.

3. The display module of claim 2, wherein, The display module comprises a first adhesive portion disposed on at least a surface of the first sub-portion away from the display panel, a modulus of the first adhesive portion is less than or equal to a modulus of the first sub-portion, and a sum of thicknesses of the first adhesive portion and the first sub-portion is less than or equal to the thickness of the non-bending portions.

4. The display module of claim 3, wherein, The first sub-portion is provided with a plurality of through holes penetrating the first sub-portion along a thickness direction of the first sub-portion, and the first adhesive portion covers each of the through holes.

5. The display module of claim 4, wherein, The display module comprises a second adhesive portion, the second adhesive portion fills at least part of the through holes, a surface of the second adhesive portion away from the display panel does not exceed a surface of the first sub-portion away from the display panel, and the second adhesive portion is disposed in connection with the first adhesive portion away from the display panel.

6. The display module of claim 3, wherein, The modulus of the first adhesive portion ranges from 10 MPa to 600 MPa.

7. The display module of claim 2, wherein, The display module further comprises a buffer layer disposed on at least a surface of the first sub-portion away from the display panel, a modulus of the buffer layer is less than or equal to a modulus of the first sub-portion; wherein a sum of thicknesses of the buffer layer and the first sub-portion is less than or equal to the thickness of the non-bending portions.

8. The display module of claim 7, wherein, The first sub-portion is provided with a plurality of through holes penetrating the first sub-portion along a thickness direction of the first sub-portion, and the buffer layer covers at least each of the through holes.

9. The display module of claim 7, wherein, The buffer layer comprises a laminated adhesive material and a buffer material, and the buffer material is disposed on a side of the adhesive material away from the first sub-portion.

10. The display module of claim 1, wherein, A difference between the thickness of the non-bending portions and the thickness of the first sub-portion is greater than or equal to 30 microns. 11.A display terminal, comprising a backboard and a display module, the display module comprising: a display panel; a support layer disposed on a side of the display panel away from a light-out direction of the display panel, the support layer comprising a bending portion and non-bending portions disposed on both sides of the bending portion; wherein the bending portion comprises a first sub-portion, a bending center line of the bending portion is located within the first sub-portion, a thickness of the first sub-portion is less than a thickness of the non-bending portions, and a surface of the first sub-portion away from the display panel is recessed toward the display panel. ​ The bottom plate is arranged on a side of the support layer away from the display panel, and a projection of the first sub-portion on the bottom plate is located in the bottom plate.

12. The display terminal according to claim 11, wherein, The display terminal comprises a side plate arranged on a side of the support layer away from the display panel, the side plate is arranged on both sides of the bottom plate and is rotationally connected with the bottom plate, the side plate is arranged corresponding to the non-bending portion, and in the flat state of the display terminal, the minimum distance between the first sub-portion and the bottom plate is greater than the minimum distance between the non-bending portion and the side plate.

13. The display terminal of claim 11, wherein, The display module comprises a first bending area and a second bending area, the bending portion comprises a second sub-portion arranged on both sides of the first sub-portion, the first sub-portion is located in the first bending area, the second sub-portion is located in the second bending area, the thickness of the first sub-portion is less than or equal to the thickness of the second sub-portion, and the thickness of the second sub-portion is less than the thickness of the non-bending portion.

14. The display terminal according to claim 13, wherein, The display module comprises a first glue portion arranged on at least one side surface of the first sub-portion away from the display panel, the modulus of the first glue portion is less than or equal to the modulus of the first sub-portion, and the sum of the thicknesses of the first glue portion and the first sub-portion is less than or equal to the thickness of the non-bending portion.

15. The display terminal according to claim 14, wherein, The first sub-portion is provided with a plurality of through holes penetrating the first sub-portion along the thickness direction of the first sub-portion, and the first glue portion covers each through hole.

16. The display terminal of claim 15, wherein, The display module comprises a second glue portion, the second glue portion at least fills part of the through holes, and a side surface of the second glue portion away from the display panel does not exceed a side surface of the first sub-portion close to the display panel, and a side surface of the second glue portion away from the display panel is arranged in connection with the first glue portion.

17. The display terminal of claim 13, wherein, The display module further comprises a buffer layer arranged on a side surface of the first sub-portion away from the display panel, and the modulus of the buffer layer is less than or equal to the modulus of the first sub-portion. The sum of the thicknesses of the buffer layer and the first sub-portion is less than or equal to the thickness of the non-bending portion.

18. The display terminal of claim 17, wherein, The first sub-portion is provided with a plurality of through holes penetrating the first sub-portion along the thickness direction of the first sub-portion, and the buffer layer at least covers each through hole.

19. The display terminal of claim 17, wherein, The buffer layer comprises a laminated glue material and a buffer material, and the buffer material is arranged on a side of the glue material away from the first sub-portion.

20. The display terminal of claim 11, wherein, The difference between the thicknesses of the non-bending portion and the first sub-portion is greater than or equal to 30 microns.

Images