Display module and display apparatus

Abstract

A display module and a display apparatus. The display module (1) comprises a light-emitting side, and comprises a flexible display panel (11), a polarizer (12), a protective layer (13), and a connecting portion (14). The flexible display panel (11) comprises a display portion (A1) and a bending portion (A2) that are continuously arranged; the bending portion (A2) can be bent toward the direction of the display portion (A1) moving away from the light-emitting side; the flexible display panel (11) comprises a first surface (111) and a second surface (112) that are arranged opposite to each other; the first surface (111) comprises a first region (1111) located in the display portion (A1) and a second region (1112) located in the bending portion (A2); and the first region (1111) is located on the side of the flexible display panel (11) facing the light-emitting side. The polarizer (12) is arranged in the first region (1111). The protective layer (13) is arranged on the first surface (111) and covers the second region (1112), and comprises a first end (131) close to the polarizer (12). The connecting portion (14) is arranged between the protective layer (13) and the polarizer (12), and is connected to the first end (131).

Description

Display module and display device

[0001] The present application claims priority from the Chinese patent application No. 202410696819.X filed on May 31, 2024 and entitled "Display module and display device", the contents of which should be understood as incorporated by reference into the present application. TECHNICAL FIELD

[0002] Embodiments of the present disclosure relate to, but are not limited to, the technical field of display, and in particular, to a display module and a display device. BACKGROUND

[0003] Organic Light Emitting Diode (OLED) panels and display panels using Light Emitting Diode (LED) devices, etc. planar display panels have been widely used in mobile phones, televisions, personal digital assistants, digital cameras, notebook computers, desktop computers and other consumer electronic products due to their high image quality, power saving, thin body and wide application range. It has become the mainstream in display devices. With the development of OLED products, the demand for high screen ratio and narrow bezel is increasingly prominent. In existing products, to achieve a narrow bezel, the lower bezel is bent away from the display side. However, during the bending process, the away from the flexible seriously affects the user experience. SUMMARY

[0004] The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.

[0005] A first aspect of the present application provides a display module, the display module having a light-out side, the display module comprising:

[0006] a flexible display panel, the flexible display panel comprising a display portion and a bending portion arranged continuously, the bending portion being capable of bending away from the light-out side of the display portion, the flexible display panel comprising a first surface and a second surface arranged oppositely, the first surface comprising a first region located at the display portion and a second region located at the bending portion, the first region being located at a side of the flexible display panel facing the light-out side;

[0007] a polarizer arranged at a side of the first region facing the light-out side;

[0008] a protective layer arranged on the first surface and covering the second region of the bending portion, the protective layer comprising a first end close to the polarizer;

[0009] a connecting portion arranged between the protective layer and the polarizer, the connecting portion being connected with the first end.

[0010] The second aspect of the present application provides a display device comprising any one of the display modules provided by the first aspect of the present application.

[0011] Other aspects can become apparent from the following detailed description, when considered in conjunction with the accompanying drawings, and detailed description.

[0012] SUMMARY

[0013] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading and understanding the detailed description of the embodiments herein. The following drawings are included to assist in understanding the embodiments and are a part of the detailed description. The same reference numbers in different drawings identify the same components.

[0014] FIG. 1 is a schematic diagram of a film layer structure of a display module according to an embodiment of the present application;

[0015] FIG. 2 is a schematic diagram of a structure of a display module according to an embodiment of the present application;

[0016] FIG. 3 is a schematic diagram of a film layer structure of a display module according to an embodiment of the present application;

[0017] FIG. 4 is an enlarged view of the P region in FIG. 3;

[0018] FIG. 5 is a schematic diagram of a structure of a polarizer and a connecting portion in a display module according to an embodiment of the present application;

[0019] FIG. 6 is a schematic diagram of a structure of a polarizer and a connecting portion in another display module according to an embodiment of the present application;

[0020] FIG. 7 is a schematic diagram of a structure of another display module according to an embodiment of the present application;

[0021] FIG. 8 is a schematic diagram of a structure of another display module according to an embodiment of the present application;

[0022] FIG. 9 is a schematic diagram of a structure of another display module according to an embodiment of the present application;

[0023] FIG. 10 is a schematic diagram of a structure of a polarizer and a connecting portion in another display module according to an embodiment of the present application;

[0024] FIG. 11 is a schematic diagram of a film layer structure of a display module according to an embodiment of the present application;

[0025] FIG. 12 is a schematic diagram of a film layer structure of a display module according to an embodiment of the present application;

[0026] FIG. 13 is an enlarged view of the Q region in FIG. 12;

[0027] FIG. 14 is a schematic view of a film layer structure of a display module according to an embodiment of the present application;

[0028] FIG. 15 is an enlarged view of the M region in FIG. 12;

[0029] FIG. 16 is a schematic view of a film layer structure of a display module according to an embodiment of the present application;

[0030] FIG. 17 is a schematic view of a display device according to an embodiment of the present application.

[0031] DETAILED DESCRIPTION

[0032] Example embodiments of the present disclosure will be described more fully hereinafter with reference to the accompanying drawings; however, these embodiments are not intended to limit the scope of the present disclosure, as claimed. Rather, the present disclosure is intended to cover all modifications and alternatives coming within the scope of the present disclosure as claimed. Like numbers refer to like elements throughout the description of the figures.

[0033] It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order in which they are described, unless specifically identified as an order dependent step. It is also to be understood that additional or alternative steps can be employed.

[0034] It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order in which they are described, unless specifically identified as an order dependent step. It is also to be understood that additional or alternative steps can be employed.

[0035] For ease of description, spatially relative terms can be used herein for the purpose of illustrating one element's or feature's relationship to another element or feature as shown in the figures. Such spatially relative terms include "internal", "external", "inward", "outward", "under", "below", "above", "on", "lower", "upward", "downward", and the like. These spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device is inverted, then a component that is described as "below" or "beneath" another component or feature would then be oriented "above" or "over" the other component or feature. Thus, the example term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0036] As used herein, "about" means not strictly limited to the value that is recited.

[0037] As shown in FIGS. 1-3, the display module 1 has a light-outgoing side, and includes a flexible display panel 11, a polarizer 12, a protective layer 13, and a connecting portion 14. The flexible display panel 11 includes a display portion A1 and a bending portion A2 arranged continuously, and the bending portion A2 is capable of bending away from the light-outgoing side of the display portion A1. The flexible display panel 11 includes a first surface 111 and a second surface 112 arranged oppositely, and the first surface 111 is a light-outgoing surface of the flexible display panel 11. The first surface 111 includes a first region 1111 located at the display portion A1 and a second region 1112 located at the bending portion A2. The first region 1111 is located at the light-outgoing side of the first surface 111, i.e., the first region 1111 is located at the side of the flexible display panel 11 facing the light-outgoing side. The protective layer 13 is arranged on the first surface 111 and covers the second region 1112. The protective layer 13 includes a first end 131 close to the polarizer 12. The connecting portion 14 is arranged between the protective layer 13 and the polarizer 12, and the connecting portion 14 is connected with the first end 131.

[0038] In the display module 1 provided by the embodiments of the present application, the display module 1 includes a flexible display panel 11, a polarizer 12, a protective layer 13, and a connecting portion 14. The display module 1 has a light-outgoing side, i.e., a side for display. The flexible display panel 11 includes a display portion A1 and a bending portion A2 arranged continuously, and the bending portion A2 is capable of bending away from the light-outgoing side of the display portion A1. That is, the flexible display panel 11 is capable of being arranged by bending from the bending portion A2 to bend part of the region to the side away from the light-outgoing side, so as to realize a narrow frame.

[0039] Exemplarily, the flexible display panel 11 includes a first surface 111 and a second surface 112 arranged oppositely, wherein the first surface 111 is a light-out surface of the flexible display panel 11, and the second surface 112 is a light-in surface of the flexible display panel 11, the first surface 111 includes a first region 1111 located at the display part A1 and a second region 1112 located at the bending area A2, and the first region 1111 is located at a side of the first surface 111 close to the light-out side. The polarizer 12 is arranged at a side of the first region 1111 close to the light-out side, i.e., the polarizer 12 is arranged at the light-out side of the flexible display panel 11, and is used for adjusting light emitted from the flexible display panel 11 through the first surface 111. The protective layer 13 is at least partially arranged at the second region 1112 of the first surface 111, and the protective layer 13 covers the second region 1112 to protect the bending part A2. The protective layer 13 and the polarizer 12 are both arranged at the first surface 111, the protective layer 13 includes a first end 131 close to the polarizer 12, and the connecting part 14 is arranged between the protective layer 13 and the polarizer 12, i.e., the connecting part 14 is arranged between the first end 131 and an end of the polarizer 12 close to the protective layer 13, and the connecting part 14 is connected with the first end 131, so as to fix the connecting part 14. That is, in the display module provided in the embodiment of the present application, the protective layer 13 is not directly connected with the polarizer 12, but is connected with the connecting part 14, so that in the bending process, the direct connection between the protective layer 13 and the polarizer 12 does not cause excessive stress at the bending part in the bending process, so as to prevent the flexible display panel 11 from being damaged due to excessive extrusion force. After the protective layer 13 is connected with the connecting part 14, the protective layer 13 is not directly connected with the polarizer 12, so that in the bending process, the stress of the bending part A2 and the surrounding area can be released at the connecting part 14, so as to reduce the extrusion of the bending stress on the flexible display panel 11, and thus help to improve the yield of the flexible display panel 11 and the overall yield of the display module 1.

[0040] Exemplarily, the protective layer 13 can be a glue layer, which can be directly fixed with the first surface 111 and the connecting part 14. Due to the siphon effect of the glue layer, the thickness of the glue layer is larger at a position close to the connecting part 14, i.e., the thickness of the glue layer at the bending part of the bending area A2 is larger. If the glue layer is directly fixed with the polarizer 12, the thickness of the glue layer at the position in contact with the polarizer 12 will be larger, so that in the bending process, the thicker glue layer will exert a larger stress on the flexible display panel 11, which is easy to cause damage to the flexible display panel 11. By arranging the connecting part 14, the stress caused by the bending can be released through the deformation of the connecting part 14, so as to reduce the damage to the flexible display panel 11.

[0041] Exemplarily, after the connection portion 14 is arranged, the deformation amount at the connection portion 14 during the bending process is greater than the deformation amount at the connection between the protective layer 13 and the polarizer 12 after the protective layer 13 is directly connected to the polarizer 12. The deformation at the connection portion 14 during the bending process includes deformation when the connection portion 14 and the polarizer 12 are at least partially separated, deformation when the connection portion 14 itself is subjected to a pulling force, and the like.

[0042] In a possible implementation, as shown in FIG. 4, the connection portion 14 includes a first connection surface 141 and a second connection surface 142 arranged along the arrangement direction of the protective layer 13 and the polarizer 12, the first connection surface 141 is connected to the first end 131, and the second connection surface 142 includes a first connection end 1411 and a first free end 1412, the first free end 1412 is located on the side of the first connection end 1411 away from the flexible display panel 11, the first connection end 1411 is connected to the polarizer 12, and the first free end 1412 has a pressure relief gap L with the polarizer 12.

[0043] In the above implementation, part of the second connection surface 142 is fixed to the polarizer 12, and part of the second connection surface 142 is not fixed to the polarizer 12 to form the pressure relief gap L. The pressure relief gap L is located at the end of the second connection surface 142 away from the flexible display panel 11, so as to be adapted to the bending direction to better release the stress. During the bending process, the side of the second connection surface 142 close to the first connection end 1411 is subjected to a pressure, and the side close to the first free end 1412 is subjected to a pulling force. During the bending process, the first free end 1412 at the pressure relief gap L is away from the polarizer 12, and the above pulling force can be well released by arranging the pressure relief gap L, so as to avoid excessive extrusion of the flexible display panel 11 caused by insufficient release of the pulling force.

[0044] In a possible implementation, as shown in FIG. 5 and FIG. 6, the connection portion 14 is integrally formed with the polarizer 12.

[0045] In the above implementation, the connection portion 14 is integrally formed with the polarizer 12, so that the original preparation process and equipment can be used to simplify the preparation process and reduce the preparation cost.

[0046] In the above implementation, by arranging the pressure relief gap L between the first free end 1412 and the polarizer 12, the expansion and contraction stress caused by the difference in the thermal expansion coefficient between the polarizer 12 and the flexible display panel 11, which causes the expansion and contraction of the two to be inconsistent after being heated, can also be released, so as to further improve the yield of the flexible display panel 11.

[0047] In a feasible implementation, as shown in FIG. 5, the polarizer 12 includes a first adhesive layer 121 and a first functional layer group 122 which are sequentially stacked, and a side surface of the first adhesive layer 121 away from the first functional layer group 122 is fixed to the first area 1111. The connecting part 14 includes a second adhesive layer 143 and a second functional layer group 144 which are sequentially stacked, and a side surface of the second adhesive layer 143 away from the second functional layer group 144 is fixed to the first area 1111. The first adhesive layer 121 and the second adhesive layer 143 are integrally formed. The pressure relief gap L is formed between the first functional layer group 122 and the second functional layer group 144, or the pressure relief gap L is formed between the first functional layer group 122 and the second functional layer group 144 and between the first adhesive layer 121 and the second adhesive layer 143. In FIG. 5, the solid line between the second functional layer group 144 and the first functional layer group 122 is the pressure relief gap L, and the dashed line between the second functional layer group 144 and the first functional layer group 122 is a separation line for illustrating the second functional layer group 144 and the first functional layer group 122.

[0048] In the above implementation, the first adhesive layer 121 and the second adhesive layer 143 are integrally formed, so that in the connecting part 14, the second adhesive layer 143 serves as the first connecting end 1411. The pressure relief gap L is formed between the first functional layer group 122 and the second functional layer group 144, so that the first free end 1412 is formed in the second functional layer group 144. In the bending process, as shown in FIG. 3, the first free end 1412 moves away from the polarizer 12, so as to release the extrusion stress through the pressure relief gap L.

[0049] In the above implementation, the first functional layer group 122 can include a first support layer 1221, a first polarizing layer 1222 and a second support layer 1223 which are sequentially stacked away from the first adhesive layer 121. The second functional layer group 144 can include a third support layer 1441, a second polarizing layer 1442 and a fourth support layer 1443 which are sequentially stacked away from the second adhesive layer 143. In the preparation process, the first support layer 1221 and the third support layer 1441 are prepared by the same preparation process and are prepared in the same layer, i.e., the first support layer 1221 and the third support layer 1441 are of the same material and thickness. The first polarizing layer 1222 and the second polarizing layer 1442 are prepared by the same preparation process and are prepared in the same layer, i.e., the first polarizing layer 1222 and the second polarizing layer 1442 are of the same material and thickness. The second support layer 1223 and the fourth support layer 1443 are prepared by the same preparation process and are prepared in the same layer, i.e., the second support layer 1223 and the fourth support layer 1443 are of the same material and thickness.

[0050] Exemplarily, in the preparation process, the polarizer layer for forming the polarizer 12 can include a first total adhesive layer, a first total support layer, a first total polarizer layer, and a second total support layer, the first total adhesive layer can include the first adhesive layer 121 and the second adhesive layer 143, the first total support layer can include the first support layer 1221 and the third support layer 1441, the first total polarizer layer can include the first polarizer layer 1222 and the second polarizer layer 1442, and the second total support layer can include the second support layer 1223 and the fourth support layer 1443. After the above-mentioned polarizer 12 layers are prepared, the pressure relief gap L can be formed to form the polarizer 12 and the connecting portion 14. The pressure relief gap L penetrates part or all of the first total support layer, the first total polarizer layer, and the second total support layer. Alternatively, the pressure relief gap L penetrates all of the first total support layer, the first total polarizer layer, and the second total support layer and part of the first total adhesive layer. The pressure relief gap L does not penetrate the first total adhesive layer to avoid the problem of the connecting portion 14 falling off due to the separation of the connecting portion 14 and the polarizer 12, thereby preventing the formation of foreign matter in the whole machine due to the falling off of the connecting portion 14, which causes the whole machine to be defective.

[0051] Exemplarily, the above-mentioned pressure relief gap L can be formed by a cutting process.

[0052] In the above-mentioned embodiments, the thickness of the first functional layer group 122 and the second functional layer group 144 can be the same, and the depth of the pressure relief gap L is less than or equal to the thickness of the first functional layer group 122.

[0053] In a possible embodiment, as shown in FIG. 7, the orthographic projection of one end of the pressure relief gap L close to the polarizer 12 on the polarizer 12 is a straight line.

[0054] In the above-mentioned embodiments, the pressure relief gap L can be formed by a cutting process during the preparation process, and the cutting can be performed along a straight line, thereby forming a pressure relief gap L extending along a straight line. Such a pressure relief gap L has a simple structure, a simple preparation process, and a good stress release effect.

[0055] Exemplarily, in the cutting process, the distance between the cutting line and the edge of the polarizer 12 layer close to the bending portion A2, i.e., the width of the connecting portion 14 along the arrangement direction of the display portion A1 and the bending portion A2, is about 0.1 mm to 0.2 mm, for example, about 0.1 mm, 0.11 mm, 0.12 mm, 0.13 mm, 0.15 mm, 0.16 mm, 0.19 mm, or 0.2 mm, etc., which is not particularly limited in the present application. Preferably, it can be about 0.15 mm, so as to reduce the influence on the performance of the polarizer 12 while realizing the release of the bending stress effect.

[0056] Exemplarily, the number of the cutting lines can be one to three in the cutting process. When the number of the cutting lines is more than one, at least one stress release portion can be formed between the connecting portion 14 and the polarizing sheet 12, and the connecting portion 14, the stress release portion and the polarizing sheet 12 are integrally formed at one end close to the flexible display panel 11. The connecting portion 14 is indirectly connected with the polarizing sheet 12 through the stress release portion.

[0057] The stress release portion can further improve the stress release effect, so as to further reduce the damage of the bending stress to the flexible display panel 11.

[0058] Exemplarily, a boundary line parallel to the first surface 111 and perpendicular to the arrangement direction of the polarizing sheet 12 and the connecting portion 14 is formed between the display portion A1 and the bending portion A2. The cutting line can extend along the direction perpendicular to the arrangement direction of the polarizing sheet 12 and the connecting portion 14 and parallel to the first surface 111. The cutting line can be flush with the boundary line or extend beyond the boundary line by about 0.5mm to 1mm at both ends, so as to achieve a good stress release effect.

[0059] In a feasible embodiment, as shown in FIG. 8, the orthographic projection of the pressure release gap L close to one end of the polarizing sheet 12 on the polarizing sheet 12 is a Z-shaped fold line, and the arrangement direction of the two parallel straight lines in the Z-shaped fold line is parallel to the arrangement direction of the polarizing sheet 12 and the connecting portion 14. Thus, the extension length of the pressure release gap L can be improved, so as to further improve the stress release effect.

[0060] In a feasible embodiment, as shown in FIG. 9, the orthographic projection of the one side surface of the second functional layer group 144 close to one end of the polarizing sheet 12 on the polarizing sheet 12 is sawtooth-shaped. Thus, the extension length of the pressure release gap L can be further improved, so as to further improve the stress release effect.

[0061] In a feasible embodiment, as shown in FIG. 6 and FIG. 10, the polarizing sheet 12 comprises a first adhesive layer 121 and a first functional layer group 122 which are sequentially stacked, and the one side surface of the first adhesive layer 121 away from the first functional layer group 122 is fixed with the first area 1111. The connecting portion 14 is integrally formed with the first adhesive layer 121. The distance between the first connecting end 1411 and the first free end 1412 is the same as the thickness of the polarizing sheet 12.

[0062] As shown in FIG10 in the above embodiment, the first adhesive layer 121 can be configured to include a protrusion 120 extending from the first functional layer group 122 near the protective layer 13. The protrusion 120 is bent away from the flexible display panel 11 to form a connecting portion 14. The distance between the first connecting surface 141 and the second connecting surface 142 in the connecting portion 14 is the same as the thickness of the first adhesive layer 121. Furthermore, the distance between the end of the protrusion 120 away from the polarizer 12 and the end near the polarizer 12 is the same as the thickness of the polarizer 12. This ensures that after the protrusion 120 is bent to form the connecting portion 14, the distance between the first connecting end 1411 and the first free end 1412 in the connecting portion 14 is the same as the thickness of the polarizer 12. This prevents a step difference between the polarizer 12 and the connecting portion 14 from affecting the yield of the display module 1. For example, when the first connecting end 1411 and the first free end 1412 in the connecting portion 14 are different, the distance between the first connecting end 1411 and the first free end 1412 in the connecting portion 14 is the same as the thickness of the polarizer 12. When the distance between 412 is less than the thickness of polarizer 12, when forming protective layer 13, connecting part 14 cannot completely cover the side surface of polarizer 12 facing connecting part 14, so that protective layer 13 can still be connected to polarizer 12, thereby reducing stress release effect; or, when the distance between the first connecting end 1411 and the first free end 1412 in connecting part 14 is greater than the thickness of polarizer 12, it is easy to affect the flatness of the film layer on the side of polarizer 12 away from flexible display panel 11.

[0063] In the above embodiment, during the bending process, as shown in FIG11, the first free end 1412 moves away from the polarizer 12, thereby releasing the compressive stress through the pressure relief gap L.

[0064] In the above embodiments, the thickness of the first adhesive layer 121 can be from about 0.01 mm to 0.03 mm, preferably about 0.02 mm. This achieves both good adhesion and a thinner display module 1. In one feasible embodiment, the connecting portion 14 and the polarizer 12 are independently disposed, and the connecting portion 14 is connected to the first surface 111. The dimension of the connecting portion 14 between its end near the first surface 111 and its end away from the first surface 111 is the same as the thickness of the polarizer 12.

[0065] In one feasible implementation, as shown in FIG12, the connecting portion 14 and the polarizer 12 are two independent parts. The dimension between the end of the connecting portion 14 near the first surface 111 and the end away from the first surface 111 is the same as the thickness of the polarizer 12, so as to prevent the polarizer 12 and the connecting portion 14 from having a step difference that affects the yield of the display module 1. For example, when the distance between the first connecting end 1411 and the first free end 1412 in the connecting portion 14 is less than the thickness of the polarizer 12, when the protective layer 13 is formed, the connecting portion 14 cannot completely cover the side surface of the polarizer 12 facing the connecting portion 14, so that the protective layer 13 can still be connected to the polarizer 12, thereby reducing the stress release effect; or, when the distance between the first connecting end 1411 and the first free end 1412 in the connecting portion 14 is greater than the thickness of the polarizer 12, it is easy to affect the flatness of the film layer on the side of the polarizer 12 away from the flexible display panel 11.

[0066] In the above embodiments, the connecting portion 14 and the polarizer 12 can be connected to the first surface 111 respectively, and the connecting portion 14 is connected to the protective layer 13. Exemplarily, during the fabrication process, the connecting portion 14 and the polarizer 12 can be connected to the first surface 111 first, and the connecting portion 14 can cover the side of the polarizer 12 near the bending portion A2 to prevent the protective layer 13 from connecting to the side of the polarizer 12 near the bending portion A2 during subsequent formation. Then, the protective layer 13 is formed and fixed to the first surface 111.

[0067] In one possible implementation, the material of the connector 14 includes polyethylene terephthalate.

[0068] In one feasible implementation, as shown in FIG13, the connecting portion 14 includes a first connecting surface 141 and a second connecting surface 142 arranged along the arrangement direction of the protective layer 13 and the polarizer 12. The distance between the first connecting surface 141 and the second connecting surface 142 in the connecting portion 14 is D, 0.1mm≤D≤0.5mm, preferably about 0.2mm. Setting the distance between the first connecting surface 141 and the second connecting surface 142 in the range of about 0.1mm-0.5mm can, on the one hand, prevent the connecting portion 14 from being too thin and difficult to fix with the flexible display panel 11, and on the other hand, prevent the connecting portion 14 from being too thick and affecting the bezel thickness of the display module 1.

[0069] In one feasible implementation, as shown in FIG14, a cover plate 16 is further included, which is disposed on the side of the adhesive layer 15 facing away from the polarizer 12. The cover plate 16 is used to protect the flexible display panel 11, the polarizer 12, etc.

[0070] In one feasible embodiment, the display module 1 further includes an adhesive layer 15, which is located on the side of the polarizer 12 away from the first region 1111. The connecting portion 14 is integrally formed with the adhesive layer 15. The connecting portion 14 includes a second connecting end 145 and a third connecting end 146. The third connecting end 146 is located on the side of the second connecting end 145 away from the flexible display panel 11. The second connecting end 145 is integrally formed with the adhesive layer 15.

[0071] In the above embodiment, the adhesive layer 15 is located on the side of the polarizer 12 opposite to the first region 1111, and is used to bond and fix the polarizer 12 to the cover plate 16. The adhesive layer 15 can be made of optical adhesive.

[0072] As shown in FIG15 in the above embodiment, the connecting part 14 includes a second connecting end 145 and a third connecting end 146. The third connecting end 146 is located on the side of the second connecting end 145 away from the flexible display panel 11. The second connecting end 145 can be bonded and fixed to the first surface 111. The second connecting end 145 is fixed to the adhesive layer 15, and the second connecting end 145 can be integrally formed with the adhesive layer 15.

[0073] For example, the side surface of the connecting part 14 facing the polarizer 12 can also be bonded and fixed to the polarizer 12. During the bending process, the connecting part 14 can remain bonded and fixed to the polarizer 12, and the stress can be released by the deformation of the connecting part 14 itself; or in addition to the stress being released by the deformation of the connecting part 14 itself, the stress can also be released by the separation of the connecting part 14 from the polarizer 12.

[0074] In the above embodiments, the thickness of the adhesive layer 15 can be from about 0.075 mm to 0.15 mm, preferably about 0.125 mm, so as to achieve a good bonding effect while also making the display module 1 thinner and lighter.

[0075] In one feasible embodiment, the connecting portion 14 includes a first connecting surface 141 and a second connecting surface 142 arranged along the arrangement direction of the protective layer 13 and the polarizer 12. The distance between the first connecting surface 141 and the second connecting surface 142 is the same as the thickness of the adhesive layer 15. The connecting portion 14 covers the side surface of the polarizer 12 facing the protective layer 13.

[0076] In the above embodiment, the connecting part 14 covers the side surface of the polarizer 12 facing the protective layer 13, thereby preventing the protective layer 13 from connecting with the polarizer 12 and avoiding the problem of excessive stress when bending after the protective layer 13 and the polarizer 12 are directly connected.

[0077] In one feasible implementation, as shown in FIG2, the flexible display panel 11 further includes a bonding part A3, which is connected to the side of the bending part A2 away from the display part A1. The bonding part A3 is provided with a bonding terminal, which is used to bond and connect with the chip located in the bonding part A3.

[0078] As shown in Figure 1, the display module 1 further includes a support film 17 disposed on the second surface 112. The support film 17 includes an opening 175 corresponding to the bending portion A2. The support film 17 includes a first support film 171 and a second support film 172. The second support film 172 is located on the side of the first support film 171 facing away from the second surface 112. The support film 17 includes a first portion 173 and a second portion 174. The first portion 173 is fixed to the portion of the second surface 112 located at the display portion A1, and the second portion 174 is fixed to the portion of the second surface 112 located at the binding portion A3. 1 includes a first sub-part 1711 located in the first part 173 and a second sub-part 1712 located in the second part 174. The second support membrane 172 includes a third sub-part 1721 located in the first part 173 and a fourth sub-part 1722 located in the second part 174. The first sub-part 1711 includes a first protruding part 1710 protruding from the side edge of the third sub-part 1721 near the opening 175 along the direction near the opening 175. The second sub-part 1712 includes a second protruding part 1720 protruding from the side edge of the fourth sub-part 1722 near the opening 175 along the direction near the opening 175.

[0079] In the above embodiment, the support membrane 17 forms an opening 175 to avoid the bending portion A2 and prevent it from affecting the bending effect of the bending portion A2.

[0080] In the above embodiments, the support film 17 includes a first support film 171 and a second support film 172. The second support film 172 is located on the side of the first support film 171 that is away from the second surface 112. The materials of the first support film 171 and the second support film 172 can be the same or different, and this application does not make any special limitation in this regard. The support film 17 is divided into a first part 173 and a second part 174 by the opening 175. The first part 173 is fixed to the part of the second surface 112 located in the display part A1, and the second part 174 is fixed to the part of the second surface 112 located in the binding part A3. The first support film 171 includes a first sub-part 1711 located in the first part 173 and a second sub-part 1712 located in the second part 174. The second support film 172 includes a third sub-part 1721 located in the first part 173 and a fourth sub-part 1722 located in the second part 174. The first sub-part 1711 includes a first protruding part 1710 protruding from the edge of the third sub-part 1721 near the opening 175 along the direction close to the opening 175. Thus, during the bending process, the first sub-part 1711 deforms with the bending part A2, releasing the compressive stress generated on the flexible display panel 11 during bending, thereby improving the yield of the display part A1 and the bending part A2 of the flexible display panel 11. The second sub-part 1712 includes a second protruding part 1720 extending from the edge of the fourth sub-part 1722 near the opening 175. During bending, the second sub-part 1712 deforms along with the bending portion A2, releasing the compressive stress on the flexible display panel 11 during bending, thereby improving the yield of both the display portion A1 and the bending portion A2 of the flexible display panel 11. By providing the first protruding part 1710 and the second protruding part 1720, the portions of the first support film 171 and the second support film 172 near the bending portion A2 can be made thinner, thereby reducing the adverse effects of compressive stress on the flexible display panel 11.

[0081] In the above embodiment, the length of the first protruding portion 1710 along the arrangement direction of the display portion A1 and the bending portion A2 is in the range of approximately 0.1 mm to 0.5 mm, preferably approximately 0.3 mm. The length of the second protruding portion 1720 along the arrangement direction of the bending portion A2 and the binding portion A3 is in the range of approximately 0.1 mm to 0.5 mm, preferably approximately 0.3 mm. This allows for the reduction of compressive stress on the flexible display panel 11 while maintaining support performance.

[0082] In one feasible implementation, the thickness of the first support film 171 is H1, 10μm≤H1≤40μm; and / or, the thickness of the second support film 172 is H2, 30μm≤H2≤80μm.

[0083] For example, the thickness of the first support film 171 can be about 10 μm, 11 μm, 20 μm, 30 μm, 35 μm, 37 μm or 40 μm, etc., preferably about 20 μm. The thickness of the second support film 172 can be about 30 μm, 35 μm, 42 μm, 50 μm, 60 μm, 69 μm, 76 μm or 80 μm, etc., preferably about 60 μm.

[0084] In one feasible implementation, as shown in FIG16, the flexible display panel 11 further includes a binding part A3, which is connected to the side of the bending part A2 away from the display part A1. The display module 1 further includes a support film 17, one side surface of the support film 17 is connected to the second surface 112, and a groove 18 is formed on the other side surface. The support film 17 includes an opening 175 corresponding to the bending part A2, and the groove 18 is located on the side of the support film 17 near the opening 175.

[0085] In the above embodiment, one side surface of the support film 17 is connected to the second surface 112, and a groove 18 is formed on the other side surface. The groove 18 is located at one end of the support film 17 near the opening 175 and on the side surface of the support film 17 away from the second surface 112. This groove 18 can release the compressive stress on the flexible display panel 11 during bending, thereby improving the yield of the flexible display panel 11.

[0086] This application embodiment also provides a display device 2, as shown in FIG17, which includes any of the display modules 1 provided in the above embodiments.

[0087] In this display device 2, by providing a connecting portion 14 between the polarizer 12 and the protective layer 13, the protective layer 13 is not directly connected to the polarizer 12, but rather connected to the connecting portion 14. This prevents excessive stress at the bending point during bending, which would otherwise cause excessive pressure on the flexible display panel 11 and damage it, due to the direct connection between the protective layer 13 and the polarizer 12. The yield rate of this display device is significantly improved.

[0088] Display module 1 may also include a frame, camera module, etc., but this application does not make any special limitations on this.

[0089] The display device 2 can be a mobile terminal such as a mobile phone or laptop, or a fixed terminal such as a television or computer monitor, or a wearable device such as a watch. This application does not make any special limitations.

[0090] The above are merely preferred embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A display module, wherein, The display module has a light-out side, and comprises: a flexible display panel comprising a display part and a bending part arranged continuously, the bending part being capable of bending away from the display part in a direction away from the light-out side, the flexible display panel comprising a first surface and a second surface arranged oppositely, the first surface comprising a first region located at the display part and a second region located at the bending part, the first region being located at a side of the flexible display panel facing the light-out side; a polarizer arranged at a side of the first region facing the light-out side; a protective layer arranged at the first surface and covering the second region, the protective layer comprising a first end close to the polarizer; a connecting part arranged between the protective layer and the polarizer, the connecting part being connected with the first end.

2. The display module of claim 1, wherein, The connecting part comprises a first connecting surface and a second connecting surface arranged along an arrangement direction of the protective layer and the polarizer, the first connecting surface being connected with the first end, the second connecting surface comprising a first connecting end and a first free end, the first free end being located at a side of the first connecting end away from the flexible display panel, the first connecting end being connected with the polarizer, and a pressure relief gap being formed between the first free end and the polarizer.

3. The display module of claim 2, wherein, The connecting part is integrally formed with the polarizer.

4. The display module of claim 2 or 3, wherein, The polarizer comprises a first adhesive layer and a first functional layer group arranged sequentially, a side surface of the first adhesive layer away from the first functional layer group being fixed with the first region, the connecting part comprises a second adhesive layer and a second functional layer group arranged sequentially, a side surface of the second adhesive layer away from the second functional layer group being fixed with the first region, the first adhesive layer and the second adhesive layer being integrally formed, and the pressure relief gap being formed between the first functional layer group and the second functional layer group, or the pressure relief gap being formed between the first functional layer group and the second functional layer group and between the first adhesive layer and the second adhesive layer.

5. The display module of claim 4, wherein, The first functional layer group and the second functional layer group have the same thickness, and a depth of the pressure relief gap is less than or equal to the thickness of the first functional layer group.

6. The display module of claim 4 or 5, wherein, A normal projection of one end of the pressure relief gap close to the polarizer on the polarizer is a straight line; or A normal projection of one end of the pressure relief gap close to the polarizer on the polarizer is a Z-shaped broken line, and an arrangement direction of two straight lines parallel to each other in the Z-shaped broken line is parallel to an arrangement direction of the polarizer and the connecting part; or A normal projection of one end of a side surface of the second functional layer group close to the polarizer on the polarizer is sawtooth-shaped.

7. The display module of claim 2 or 3, wherein, The polarizer comprises a first adhesive layer and a first functional layer group arranged sequentially, a side surface of the first adhesive layer away from the first functional layer group being fixed with the first region, the connecting part being integrally formed with the first adhesive layer, a distance between the first connecting surface and the second connecting surface being the same as a thickness of the first adhesive layer, and a distance between the first connecting end and the first free end being the same as a thickness of the polarizer.

8. The display module of claim 1, wherein, The connecting part is arranged independently from the polarizer, and the connecting part is connected to the first surface, and the size of the connecting part along the direction from the end close to the first surface to the end away from the first surface is the same as the thickness of the polarizer.

9. The display module of claim 2 or 8, wherein, The material of the connecting part includes polyterephthalate; The connecting part includes a first connecting surface and a second connecting surface arranged along the arrangement direction of the protective layer and the polarizer, and the distance between the first connecting surface and the second connecting surface in the connecting part is D, and 0.1mm≤D≤0.5mm.

10. The display module of claim 1, further comprising an adhesive layer located on the side of the polarizer away from the first area, the connecting part is integrally formed with the adhesive layer, the connecting part includes a second connecting end and a third connecting end, the third connecting end is located on the side of the second connecting end away from the flexible display panel, and the second connecting end is integrally formed with the adhesive layer.

11. The display module of claim 10, wherein, The connecting part includes a first connecting surface and a second connecting surface arranged along the arrangement direction of the protective layer and the polarizer, and the distance between the first connecting surface and the second connecting surface is the same as the thickness of the adhesive layer, and the connecting part covers the side surface of the polarizer facing the protective layer.

12. The display module of claim 10, further comprising a cover plate arranged on the side of the adhesive layer away from the polarizer.

13. The display module of claim 1, wherein, The flexible display panel further comprises a binding part connected to the bending part away from the display part, and the display module further comprises a support film arranged on the second surface, the support film comprises an opening part corresponding to the bending part, the support film comprises a first support film and a second support film, the second support film is located on the side of the first support film away from the second surface, the support film comprises a first part and a second part, the first part is fixed to the part of the second surface located in the display part, the second part is fixed to the part of the second surface located in the binding part, the first support film comprises a first sub-part located in the first part and a second sub-part located in the second part, the second support film comprises a third sub-part located in the first part and a fourth sub-part located in the second part, the first sub-part comprises a first protruding part protruding from the side edge of the third sub-part close to the opening part in the direction close to the opening part, and the second sub-part comprises a second protruding part protruding from the side edge of the fourth sub-part close to the opening part in the direction close to the opening part.

14. The display module of claim 13, wherein, The thickness of the first support film is H1, and 10μm≤H1≤40μm; and / or the thickness of the second support film is H2, and 30μm≤H2≤80μm.

15. The display module of claim 1, wherein, The flexible display panel further comprises a binding part connected to the bending part away from the display part, and the display module further comprises a support film, one side surface of the support film is connected to the second surface, and the other side surface is formed with a slot, the support film comprises an opening part corresponding to the bending part, and the slot is located on the side of the support film close to the opening part.

16. A display device comprising the display module of any of claims 1-15.

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