Display module and manufacturing method thereof, and display device

Abstract

The embodiment of the present invention discloses a display module and a manufacturing method thereof, and a display device; the display module includes at least two display panels spliced ​​together, and a plurality of connecting lines, the display panel includes a rigid substrate and a flexible substrate located on the rigid substrate, the flexible substrate is overlapped on the rigid substrate of an adjacent display panel, one of the connecting lines is electrically connected to the signal lines of two adjacent display panels, and any of the connecting lines includes at least a first portion located on a side of the flexible substrate away from the rigid substrate; the present invention utilizes the good coverage property of the flexible substrate to cover the flexible substrate at the splicing of the rigid substrate, and arranges the connecting lines on the flexible substrate, thereby reducing the probability of disconnection of the connecting lines at the splicing of the rigid substrate and improving the display effect of the display module.

Description

Technical Field

[0001] The present invention relates to the field of display, and in particular to a display module and a manufacturing method thereof, and a display device. Background Art

[0002] In recent years, splicing display modules have been an important research direction for researchers. Splicing display modules transmit the signal line of one display panel to another display panel by setting multiple connecting lines at the splicing position of two adjacent display panels. This can omit the integrated circuit chip-on-chip film at the splicing position, reduce driving costs, and achieve seamless splicing. At the same time, it also solves the display problem caused by signal asynchrony. However, due to the rigid substrate material of the display panel, it is easy to have step differences or gaps at the splicing position, resulting in broken connecting lines at the splicing position, affecting the display effect of the display module.

[0003] Therefore, there is an urgent need for a display module and a manufacturing method thereof, and a display device to solve the above technical problems. Summary of the invention

[0004] The present invention provides a display module and a manufacturing method thereof, and a display device, which can alleviate the technical problem of disconnection of connecting lines at the splicing position of the current splicing display module.

[0005] The present invention provides a display module, comprising:

[0006] At least two display panels spliced ​​together, the display panels comprising a rigid substrate and a flexible substrate located on the rigid substrate, the flexible substrate being overlapped on the rigid substrate of an adjacent display panel;

[0007] A plurality of connection lines, one of the connection lines is electrically connected to the signal lines of two adjacent display panels, and any of the connection lines at least includes a first portion located on a side of the flexible substrate away from the rigid substrate.

[0008] Preferably, in the first direction of the display module, any two adjacent display panels are respectively the first unit panel and the second unit panel; the end surface of the rigid substrate of the first unit panel is arranged in contact with the end surface of the rigid substrate of the second unit panel, and the contact surface is a first contact surface; the end surface of the flexible substrate of the first unit panel is arranged in contact with the end surface of the flexible substrate of the second unit panel, and the contact surface is a second contact surface; wherein, in the top view direction of the display module, the first contact surface and the second contact surface do not overlap.

[0009] Preferably, the first part includes a first sub-part located on the flexible substrate of the first unit panel, and a second sub-part located on the flexible substrate of the second unit panel; wherein the first sub-part is electrically connected to the signal line of the first unit panel, and the second sub-part is electrically connected to the signal line of the second unit panel.

[0010] Preferably, in the first direction of the display module, any two adjacent display panels are respectively the first unit panel and the second unit panel; the end surface of the rigid substrate of the first unit panel is arranged in contact with the end surface of the rigid substrate of the second unit panel, and the contact surface is the first contact surface; the flexible substrate of the first unit panel is arranged separately from the flexible substrate of the second unit panel; wherein, in the top view direction of the display module, the first contact surface is located within the flexible substrate.

[0011] Preferably, the connecting line further includes a second part connected to the first part, the second part is located on the rigid substrate, and the signal line of the display panel is located on the rigid substrate.

[0012] Preferably, any of the display panels comprises a plurality of signal lines and a plurality of terminals close to the edge of the display panel; wherein one of the terminals is electrically connected to one of the signal lines, and one of the terminals is electrically connected to one of the connecting lines.

[0013] Preferably, any of the terminals and any of the signal lines are located on the flexible substrate.

[0014] The present invention also provides a method for manufacturing a display module, comprising:

[0015] Providing at least two display panels, wherein the display panels include a rigid substrate and a flexible substrate located on the rigid substrate;

[0016] Removing part of the rigid substrate and part of the flexible substrate of any one of the display panels, so that the flexible substrate includes a first unit extending from the rigid substrate, and the rigid substrate includes a second unit extending from the flexible substrate;

[0017] splicing at least two of the display panels so that the first unit of one display panel is overlapped with the second unit of an adjacent display panel;

[0018] At least one connection line electrically connected to the signal line of the display panel is formed on any of the flexible substrates.

[0019] Preferably, the step of splicing at least two of the display panels so that the first unit of one display panel is overlapped with the second unit of an adjacent display panel includes: splicing at least two of the display panels so that the first unit of one display panel is overlapped with the second unit of an adjacent display panel, so that the end surface of the first unit of one display panel is in contact with the end surface of the flexible substrate of the adjacent display panel; after forming at least one connecting line electrically connected to the signal line of the display panel on any one of the flexible substrates, it also includes: removing each of the rigid substrates.

[0020] The present invention also provides a display device, comprising a display module and a device body, wherein the device body and the display module are integrated into one body;

[0021] Wherein, the display module is any one of the above-mentioned display modules, or the display module is manufactured by any one of the above-mentioned display module manufacturing methods.

[0022] Beneficial effects of the present invention: The present invention utilizes the good covering property of the flexible substrate to cover the joints of the rigid substrate with the flexible substrate, and arranges connecting wires on the flexible substrate to reduce the probability of disconnection of the connecting wires at the joints of the rigid substrate and improve the display effect of the display module. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 is a top view schematic diagram of a first structure of a display module provided by an embodiment of the present invention;

[0025] Figure 2 is a structural schematic diagram of a second structure of a display module provided by an embodiment of the present invention;

[0026] Figure 3 is a structural schematic diagram of a third structure of a display module provided by an embodiment of the present invention;

[0027] Figure 4 is a structural schematic diagram of a fourth structure of a display module provided by an embodiment of the present invention;

[0028] Figure 5 is a structural schematic diagram of a fifth structure of a display module provided by an embodiment of the present invention;

[0029] Figure 6is a flowchart of the steps of a method for manufacturing a display module provided by an embodiment of the present invention;

[0030] FIG. 7A to FIG. 7D This is a first flow chart of a method for manufacturing a display module provided by an embodiment of the present invention;

[0031] Figure 8 is a second flow chart of the method for manufacturing a display module provided by an embodiment of the present invention;

[0032] Fig. 9 It is a schematic diagram of the structure of a display device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention. In the present invention, unless otherwise specified, the directional words used, such as "upper" and "lower", generally refer to the upper and lower parts of the device in actual use or working state, specifically the drawing direction in the drawings; while "inside" and "outside" refer to the outline of the device.

[0034] In recent years, splicing display modules have been an important research direction for researchers. Splicing display modules transmit the signal line of one display panel to another display panel by setting multiple connecting lines at the splicing position of two adjacent display panels. This can omit the integrated circuit chip-on-chip film at the splicing position, reduce driving costs, and achieve seamless splicing. At the same time, it also solves the display problem caused by signal asynchrony. However, due to the rigid substrate material of the display panel, it is easy to have step differences or gaps at the splicing position, resulting in broken connecting lines at the splicing position, affecting the display effect of the display module.

[0035] See also Figures 1 to 5 , an embodiment of the present invention provides a display module 100, comprising:

[0036] At least two display panels 200 spliced ​​together, wherein the display panels 200 include a rigid substrate 300 and a flexible substrate 400 located on the rigid substrate 300, and the flexible substrate 400 is overlapped on the rigid substrate 300 of the adjacent display panel 200;

[0037] A plurality of connection lines 500 , one of the connection lines 500 is electrically connected to the signal lines 600 of two adjacent display panels 200 , and any of the connection lines 500 at least includes a first portion 510 located on a side of the flexible substrate 400 away from the rigid substrate 300 .

[0038] The present invention utilizes the good covering property of the flexible substrate to cover the joint of the rigid substrate with the flexible substrate, and arranges connecting wires on the flexible substrate to reduce the disconnection probability of the connecting wires at the joint of the rigid substrate and improve the display effect of the display module.

[0039] The technical solution of the present invention is now described in conjunction with specific embodiments.

[0040] In this embodiment, please refer to Figure 1 , Figure 2 , Figure 3 The display module 100 includes: at least two display panels 200 spliced ​​together, and a plurality of connecting lines 500, the display panel 200 includes a rigid substrate 300 and a flexible substrate 400 located on the rigid substrate 300, the flexible substrate 400 is overlapped on the rigid substrate 300 of the adjacent display panel 200, one of the connecting lines 500 is electrically connected to the signal lines 600 of the two adjacent display panels 200, and any of the connecting lines 500 includes at least a first portion 510 located on a side of the flexible substrate 400 away from the rigid substrate 300.

[0041] A flexible substrate 400 is arranged on the rigid substrate 300. The flexible substrate 400 extends out relative to the rigid substrate 300 and overlaps the rigid substrate 300 of the adjacent display panel 200. The good coverage property of the flexible substrate 400 is utilized to make up for the step difference or gap between the corresponding two rigid substrates 300 of the two adjacent display panels 200, thereby reducing the probability of the connecting line 500 being broken at the joint of the rigid substrate 300, which is beneficial to the synchronous display of signals, ensures the quality of the display module 100, and improves the display effect of the display module 100.

[0042] In some embodiments, see Figure 1 , Figure 2In the first direction of the display module 100, any two adjacent display panels 200 are respectively the first unit panel 201 and the second unit panel 202; the end surface of the rigid substrate 300 of the first unit panel 201 is in contact with the end surface of the rigid substrate 300 of the second unit panel 202, and the contact surface is the first contact surface 310; the end surface of the flexible substrate 400 of the first unit panel 201 is in contact with the end surface of the flexible substrate 400 of the second unit panel 202, and the contact surface is the second contact surface 410; wherein, in the top view direction of the display module 100, the first contact surface 310 and the second contact surface 410 do not overlap.

[0043] Among them, the first direction can be the X-axis direction or the Y-axis direction. The following takes the first direction as the X-axis direction as an example for explanation. In the display module 100, all the rigid substrates 300 constitute a whole-surface setting, and all the flexible substrates 400 constitute a whole-surface setting. This structural setting, during the manufacturing process, if necessary, can easily remove the rigid substrate 300 to obtain a flexible display panel 200 and a flexible display module 100.

[0044] The splicing gap of the flexible substrate 400 and the splicing gap of the rigid substrate 300 are staggered, and the flexible substrate 400 can better cover the step difference or gap at the splicing of the rigid substrate 300, thereby reducing the negative impact of the step difference or gap at the splicing of the rigid substrate 300 on the connecting line 500; at the same time, the flexible substrate 400 is a flexible material, and the step difference or gap at the splicing of adjacent flexible substrates 400 is smaller than the step difference or gap at the splicing of adjacent rigid substrates 300, which has less negative impact on the connecting line 500, reduces the probability of disconnection of the connecting line 500, ensures the quality of the display module 100, and improves the display effect of the display module 100.

[0045] In some embodiments, see Figure 3 The first part 510 includes a first sub-part 511 located on the flexible substrate 400 of the first unit panel 201, and a second sub-part 512 located on the flexible substrate 400 of the second unit panel 202; wherein the first sub-part 511 is electrically connected to the signal line 600 of the first unit panel 201, and the second sub-part 512 is electrically connected to the signal line 600 of the second unit panel 202.

[0046] Part of the connecting line 500 is located on the flexible substrate 400 of the first unit panel 201, and part of it is located on the flexible substrate 400 of the second unit panel 202, and is electrically connected to the corresponding signal line 600, thereby realizing signal communication between the first unit panel 201 and the second unit panel 202, which is conducive to synchronous display of signals.

[0047] In some embodiments, see Figure 4 In the first direction of the display module 100, any two adjacent display panels 200 are respectively a first unit panel 201 and a second unit panel 202; an end surface of the rigid substrate 300 of the first unit panel 201 is contacted with an end surface of the rigid substrate 300 of the second unit panel 202, and the contact surface is a first contact surface 310; the flexible substrate 400 of the first unit panel 201 is separated from the flexible substrate 400 of the second unit panel 202; wherein, in the top view direction of the display module 100, the first contact surface 310 is located within the flexible substrate 400.

[0048] The flexible substrate 400 of the first unit panel 201 and the flexible substrate 400 of the second unit panel 202 may not be in contact, and the first contact surface 310 only needs to be located within the flexible substrate 400 in the top view direction of the display module 100, that is, the flexible substrate 400 covers the joint of two adjacent rigid substrates 300. The flexible substrate 400 in this structure can be made when the display panel 200 is made, or after a plurality of display panels 200 are joined together, the flexible substrate 400 can be formed to cover the joint of two adjacent rigid substrates 300.

[0049] In some embodiments, see Figure 4 The connecting line 500 further includes a second portion 520 connected to the first portion 510 , the second portion 520 is located on the rigid substrate 300 , and the signal line 600 of the display panel 200 is located on the rigid substrate 300 .

[0050] The terminal 700 and the signal line 600 may be disposed on the rigid substrate 300. Figure 4 In the figure, due to limited drawing space, the terminal 700 is not drawn, and the flexible substrate 400 is used to cover the joint of the rigid substrate 300, so as to reduce the risk of disconnection of the connecting line 500 when crossing two adjacent display panels 200, which is beneficial to the synchronous display of signals, ensures the quality of the display module 100, and improves the display effect of the display module 100.

[0051] In some embodiments, see Figure 4 , the thickness of the flexible substrate 400 gradually decreases in a direction from the edge of the display panel 200 to the center of the display panel 200 .

[0052] The first portion 510 can smoothly transition to the rigid substrate 300 on the flexible substrate 400 with a gradually decreasing thickness, thereby reducing the risk of disconnection due to the transition and ensuring the quality of the connecting wire 500 .

[0053] In some embodiments, any of the display panels 200 includes a plurality of signal lines 600 and a plurality of terminals 700 near the edge of the display panel 200 ; wherein one of the terminals 700 is electrically connected to one of the signal lines 600 , and one of the terminals 700 is electrically connected to one of the connection lines 500 .

[0054] One of the connecting wires 500 is electrically connected to one of the signal wires 600 through one of the terminals 700, and conduction is performed through the terminal 700, which is beneficial to point alignment and convenient for later maintenance.

[0055] In some embodiments, see Figure 3 Any of the terminals 700 and any of the signal lines 600 are located on the flexible substrate 400 .

[0056] A plurality of the flexible substrates 400 are connected and arranged on the entire surface. The signal line 600 , the routing line and the terminal 700 of the display panel 200 , and the connecting line 500 are all located on the flexible substrate 400 . The flexible substrate 400 is more conducive to the protection of the protection circuit.

[0057] In some embodiments, see Figure 5 , the orthographic projection of the connecting line 500 on the display panel 200 is located within any one of the two corresponding rigid substrates 300 .

[0058] The connection line 500 is avoided at the joint between two adjacent rigid substrates 300 , so as to further reduce the probability of disconnection of the connection line 500 at the joint of the rigid substrate 300 , thereby improving the display effect of the display module 100 .

[0059] In some embodiments, in the first direction of the display module 100, any two adjacent display panels 200 are respectively a first unit panel 201 and a second unit panel 202; the first unit panel 201 includes a first splicing area, in which two adjacent edges of the first unit panel 201 are arranged, and in the first splicing area, the flexible substrate 400 extends out of the rigid substrate 300; the second unit panel 202 includes a second splicing area corresponding to the first splicing area, in which two adjacent edges of the second unit panel 202 are arranged, and in the second splicing area, the rigid substrate extends out of the flexible substrate 400.

[0060] In some embodiments, the display module 100 includes an edge region near an edge, and in the edge region, the flexible substrate 400 is flush with an edge of the rigid substrate 300. The outermost rigid substrate 300 and the flexible substrate 400 may be flush with each other.

[0061] In some embodiments, the material of the rigid substrate 300 may be glass, and the material of the flexible substrate 400 may be polyimide, which is only used as an example and is not specifically limited.

[0062] In some embodiments, the display panel 200 further includes an array substrate. The array substrate includes an active layer located on the substrate, a first insulating layer located on the active layer, a gate layer located on the first insulating layer, a second insulating layer located on the gate layer, a source-drain electrode layer located on the second insulating layer, and a third insulating layer located on the source-drain electrode layer.

[0063] In some embodiments, the display panel 200 may be a liquid crystal display panel 200 or a self-luminous display panel 200 .

[0064] In some embodiments, the display panel 200 may be a liquid crystal display panel 200 , and the display panel 200 further includes a liquid crystal layer, a color filter layer, and upper and lower polarizing layers. The display module 100 further includes a backlight unit corresponding to the display panel 200 .

[0065] In some embodiments, the display panel 200 is a self-luminous display panel 200. The display panel 200 further includes a light-emitting device layer, the light-emitting device layer includes an anode layer located on the third insulating layer, a light-emitting material layer located on the anode layer, and a cathode layer located on the light-emitting material layer, the display panel 200 further includes a pixel definition layer disposed in the same layer as the light-emitting material layer, a polarizing layer located on the light-emitting device layer, and a flexible cover plate located on the polarizing layer, and the display panel 200 further includes corresponding bonding layers located between the polarizing layer and the flexible cover plate, between the light-emitting device layer and the polarizing layer, and between the backplane and the substrate.

[0066] In some embodiments, the light-emitting device layer may include OLED (Organic Light-Emitting Diode) material, or may include Micro LED or Mini LED, which is not specifically limited here.

[0067] The present invention utilizes the good covering property of the flexible substrate to cover the joint of the rigid substrate with the flexible substrate, and arranges connecting wires on the flexible substrate to reduce the disconnection probability of the connecting wires at the joint of the rigid substrate and improve the display effect of the display module.

[0068] See also Figure 6 The embodiment of the present invention further provides a method for manufacturing a display module 100, comprising:

[0069] S100, providing at least two display panels 200, wherein the display panel 200 includes a rigid substrate 300 and a flexible substrate 400 located on the rigid substrate 300;

[0070] S200, removing part of the rigid substrate 300 and part of the flexible substrate 400 of any one of the display panels 200, so that the flexible substrate 400 includes a first unit 401 extending from the rigid substrate 300, and the rigid substrate 300 includes a second unit 301 extending from the flexible substrate 400;

[0071] S300, splicing at least two of the display panels 200 so that the first unit 401 of one display panel 200 is overlapped with the second unit 301 of the adjacent display panel 200;

[0072] S400 , forming at least one connection line 500 electrically connected to the signal line 600 of the display panel 200 on any of the flexible substrates 400 .

[0073] The present invention utilizes the good covering property of the flexible substrate to cover the joint of the rigid substrate with the flexible substrate, and arranges connecting wires on the flexible substrate to reduce the disconnection probability of the connecting wires at the joint of the rigid substrate and improve the display effect of the display module.

[0074] The technical solution of the present invention is now described in conjunction with specific embodiments.

[0075] In this embodiment, the manufacturing method of the display module 100 includes:

[0076] S100, providing at least two display panels 200, wherein the display panel 200 includes a rigid substrate 300 and a flexible substrate 400 located on the rigid substrate 300, see Fig. 7A .

[0077] In some embodiments, the material of the rigid substrate 300 may be glass, and the material of the flexible substrate 400 may be polyimide, which is only used as an example and is not specifically limited.

[0078] In some embodiments, any of the display panels 200 includes a plurality of signal lines 600 and a plurality of terminals 700 near the edge of the display panel 200 ; wherein one of the terminals 700 is electrically connected to one of the signal lines 600 , and one of the terminals 700 is electrically connected to one of the connection lines 500 .

[0079] In some embodiments, any of the terminals 700 and any of the signal lines 600 are located on the flexible substrate 400 .

[0080] S200, removing part of the rigid substrate 300 and part of the flexible substrate 400 of any of the display panels 200, so that the flexible substrate 400 includes a first unit 401 extending from the rigid substrate 300, and the rigid substrate 300 includes a second unit 301 extending from the flexible substrate 400, see Figure 7B .

[0081] In some embodiments, the flexible substrate 400 and the rigid substrate 300 of the display panel 200 are patterned, wherein, in the figure, the removed rigid substrate 300 is represented by a rigid redundant substrate 3000, and the removed flexible substrate 400 is represented by a flexible redundant substrate 4000, to form a first unit 401 and a second unit 301 that can be spliced ​​to facilitate subsequent splicing of the display panel 200.

[0082] S300, splicing at least two of the display panels 200 so that the first unit 401 of one display panel 200 is overlapped with the second unit 301 of the adjacent display panel 200, see Figure 7C .

[0083] In some embodiments, step S300 includes:

[0084] S310a, splicing at least two of the display panels 200, so that the first unit 401 of one display panel 200 is overlapped with the second unit 301 of the adjacent display panel 200, and the end surface of the first unit 401 of one display panel 200 is in contact with the end surface of the flexible substrate 400 of the adjacent display panel 200, see Figure 7C .

[0085] In some embodiments, in the first direction of the display module 100, any two adjacent display panels 200 are respectively a first unit panel 201 and a second unit panel 202; an end surface of the rigid substrate 300 of the first unit panel 201 is contacted with an end surface of the rigid substrate 300 of the second unit panel 202, and the contact surface is a first contact surface 310; an end surface of the flexible substrate 400 of the first unit panel 201 is contacted with an end surface of the flexible substrate 400 of the second unit panel 202, and the contact surface is a second contact surface 410; wherein, in the top view direction of the display module 100, the first contact surface 310 and the second contact surface 410 do not overlap.

[0086] In some embodiments, step S300 includes:

[0087] S310b, splicing at least two of the display panels 200, so that the first unit 401 of one display panel 200 is overlapped with the second unit 301 of the adjacent display panel 200, and the end surface of the first unit 401 of one display panel 200 is spaced from the end surface of the flexible substrate 400 of the adjacent display panel 200, to avoid repeated drawing, see Figure 4 .

[0088] In some embodiments, in the first direction of the display module 100, any two adjacent display panels 200 are respectively a first unit panel 201 and a second unit panel 202; an end surface of the rigid substrate 300 of the first unit panel 201 is arranged in contact with an end surface of the rigid substrate 300 of the second unit panel 202, and the contact surface is a first contact surface 310; the flexible substrate 400 of the first unit panel 201 is separately arranged from the flexible substrate 400 of the second unit panel 202; wherein, in the top view direction of the display module 100, the first contact surface 310 is located within the flexible substrate 400.

[0089] A flexible substrate 400 is arranged on the rigid substrate 300. The flexible substrate 400 extends out relative to the rigid substrate 300 and overlaps the rigid substrate 300 of the adjacent display panel 200. The good coverage property of the flexible substrate 400 is utilized to make up for the step difference or gap between the corresponding two rigid substrates 300 of the two adjacent display panels 200, thereby reducing the probability of the connecting line 500 being broken at the joint of the rigid substrate 300, which is beneficial to the synchronous display of signals, ensures the quality of the display module 100, and improves the display effect of the display module 100.

[0090] S400, forming at least one connecting line 500 electrically connected to the signal line 600 of the display panel 200 on any of the flexible substrates 400, see Fig.7D .

[0091] In some embodiments, the first portion 510 includes a first sub-portion 511 located on the flexible substrate 400 of the first unit panel 201, and a second sub-portion 512 located on the flexible substrate 400 of the second unit panel 202; wherein the first sub-portion 511 is electrically connected to the signal line 600 of the first unit panel 201, and the second sub-portion 512 is electrically connected to the signal line 600 of the second unit panel 202.

[0092] In some embodiments, any of the terminals 700 , any of the signal lines 600 , and any of the connecting lines 500 are located on the flexible substrate 400 .

[0093] In some embodiments, the connection line 500 further includes a second portion 520 connected to the first portion 510 , the second portion 520 is located on the rigid substrate 300 , and the signal line 600 of the display panel 200 is located on the rigid substrate 300 .

[0094] In some embodiments, step S400 includes:

[0095] S410, forming at least one connecting line 500 electrically connected to the signal line 600 of the display panel 200 on any of the flexible substrates 400, see Fig.7D .

[0096] S420, removing each of the rigid substrates 300, see Figure 8 .

[0097] In some embodiments, when the end faces of the flexible substrates 400 of two adjacent display panels 200 are in contact with each other, the entire rigid substrate 300 is removed, leaving a whole-surface structure composed of a plurality of flexible substrates 400, thereby realizing a flexible splicing display module 100 and a flexible display, which is beneficial to improving the bending resistance of the display module 100.

[0098] The present invention utilizes the good covering property of the flexible substrate to cover the joint of the rigid substrate with the flexible substrate, and arranges connecting wires on the flexible substrate to reduce the disconnection probability of the connecting wires at the joint of the rigid substrate and improve the display effect of the display module.

[0099] See also Fig. 9 , an embodiment of the present invention further provides a display device 10, comprising a display module 100 and a device body 20, wherein the device body 20 and the display module 100 are combined into one body;

[0100] The display module 100 is any of the above-mentioned display modules 100 , or the display module 100 is manufactured by any of the above-mentioned manufacturing methods of the display module 100 .

[0101] The specific structure of the display module 100 may refer to any of the above embodiments and drawings of the display module 100 , or the embodiments and drawings of the display module 100 manufactured by any of the above manufacturing methods of the display module 100 , which will not be described in detail here.

[0102] In this embodiment, the device body 20 may include a middle frame, frame glue, etc., and the display device 10 may be a display terminal such as a mobile phone, a tablet, a television, etc., which is not limited here.

[0103] The embodiment of the present invention discloses a display module and a manufacturing method thereof, and a display device; the display module includes at least two display panels spliced ​​together, and a plurality of connecting lines, the display panel includes a rigid substrate and a flexible substrate located on the rigid substrate, the flexible substrate is overlapped on the rigid substrate of an adjacent display panel, one of the connecting lines is electrically connected to the signal lines of two adjacent display panels, and any of the connecting lines includes at least a first portion located on a side of the flexible substrate away from the rigid substrate; the present invention utilizes the good coverage property of the flexible substrate to cover the flexible substrate at the splicing of the rigid substrate, and arranges the connecting lines on the flexible substrate, thereby reducing the probability of disconnection of the connecting lines at the splicing of the rigid substrate and improving the display effect of the display module.

[0104] The above is a detailed introduction to a display module and a manufacturing method thereof, and a display device provided in an embodiment of the present invention. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A display module, characterized in that: include: At least two display panels spliced ​​together, the display panels comprising a rigid substrate and a flexible substrate located on the rigid substrate, the flexible substrate being overlapped on the rigid substrate of an adjacent display panel; a plurality of connection lines, one of the connection lines being electrically connected to the signal lines of two adjacent display panels, and any of the connection lines at least comprising a first portion located on a side of the flexible substrate away from the rigid substrate; Among them, in the first direction of the display module, any two adjacent display panels are respectively the first unit panel and the second unit panel, the end surface of the rigid substrate of the first unit panel is contacted with the end surface of the rigid substrate of the second unit panel, and the contact surface is the first contact surface, in the top view direction of the display module, the first contact surface is located within the flexible substrate, and a connecting line spans the first contact surfaces of the first unit panel and the second unit panel.

2. The display module according to claim 1, characterized in that: The end surface of the flexible substrate of the first unit panel is arranged in contact with the end surface of the flexible substrate of the second unit panel, and the contact surface is a second contact surface; Wherein, in a top-view direction of the display module, the first contact surface and the second contact surface do not overlap.

3. The display module according to claim 2, characterized in that: The first portion includes a first sub-portion located on the flexible substrate of the first unit panel, and a second sub-portion located on the flexible substrate of the second unit panel; The first sub-section is electrically connected to the signal line of the first unit panel, and the second sub-section is electrically connected to the signal line of the second unit panel.

4. The display module according to claim 1, characterized in that: The flexible substrate of the first unit panel is separately arranged from the flexible substrate of the second unit panel.

5. The display module according to claim 4, characterized in that: The connecting line further includes a second part connected to the first part, the second part is located on the rigid substrate, and the signal line of the display panel is located on the rigid substrate.

6. The display module according to claim 1, characterized in that: Any of the display panels comprises a plurality of signal lines and a plurality of terminals near the edge of the display panel; Among them, one of the terminals is electrically connected to one of the signal lines, and one of the terminals is electrically connected to one of the connection lines.

7. The display module according to claim 6, characterized in that: Any of the terminals and any of the signal lines are located on the flexible substrate.

8. A method for manufacturing a display module, characterized in that: include: Providing at least two display panels, wherein the display panels include a rigid substrate and a flexible substrate located on the rigid substrate; Removing part of the rigid substrate and part of the flexible substrate of any one of the display panels, so that the flexible substrate includes a first unit extending from the rigid substrate, and the rigid substrate includes a second unit extending from the flexible substrate; splicing at least two of the display panels so that the first unit of one display panel overlaps with the second unit of an adjacent display panel, so that an end surface of the first unit of one display panel contacts with an end surface of the flexible substrate of an adjacent display panel, and the contact surface is a first contact surface, and in a top view direction of the display module, the first contact surface is located inside the flexible substrate; At least one connection line electrically connected to the signal line of the display panel is formed on any of the flexible substrates, and one of the connection lines spans across the first contact surfaces of the first unit and the second unit.

9. The method for manufacturing a display module according to claim 8, characterized in that: After forming at least one connection line electrically connected to the signal line of the display panel on any of the flexible substrates, the method further comprises: Each of the rigid substrates is removed.

10. A display device, characterized in that: It includes a display module and a device body, wherein the device body and the display module are integrated into one body; Wherein, the display module is the display module according to any one of claims 1 to 7, or the display module is manufactured by the manufacturing method of the display module according to claim 8 or 9.

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