CN114823770A - Display module, manufacturing method thereof and display device - Google Patents

Display module, manufacturing method thereof and display device Download PDF

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Publication number
CN114823770A
CN114823770A CN202210364127.6A CN202210364127A CN114823770A CN 114823770 A CN114823770 A CN 114823770A CN 202210364127 A CN202210364127 A CN 202210364127A CN 114823770 A CN114823770 A CN 114823770A
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China
Prior art keywords
display
panel
flexible substrate
display module
unit
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CN202210364127.6A
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Chinese (zh)
Inventor
郑泽科
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TCL Huaxing Photoelectric Technology Co Ltd
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TCL Huaxing Photoelectric Technology Co Ltd
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Priority to CN202210364127.6A priority Critical patent/CN114823770A/en
Publication of CN114823770A publication Critical patent/CN114823770A/en
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10—OLED displays
    • H10K59/12—Active-matrix OLED [AMOLED] displays
    • H10K59/131—Interconnections, e.g. wiring lines or terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission
    • H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars
    • H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components with at least one potential-jump barrier or surface barrier specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/005—Processes
    • H01L33/0093—Wafer bonding; Removal of the growth substrate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls

Abstract

The embodiment of the invention discloses a display module, a manufacturing method thereof and a display device; the display module comprises at least two display panels which are spliced with each other and a plurality of connecting lines, wherein each display panel comprises a rigid substrate and a flexible substrate positioned on the rigid substrate, the flexible substrate is lapped on the rigid substrate adjacent to the display panel, one connecting line is electrically connected with signal lines of two adjacent display panels, and any connecting line at least comprises a first part positioned on one side of the flexible substrate, which is far away from the rigid substrate; according to the invention, by utilizing the characteristic of good coverage of the flexible substrate, the flexible substrate is covered at the splicing position of the rigid substrate, and the connecting wire is arranged on the flexible substrate, so that the wire breakage probability of the connecting wire at the splicing position of the rigid substrate is reduced, and the display effect of the display module is improved.

Description

Display module, manufacturing method thereof and display device
Technical Field
The invention relates to the field of display, in particular to a display module, a manufacturing method thereof and a display device.
Background
In recent years, the concatenation formula display module assembly is researcher's important research direction, the concatenation formula display module assembly sets up many connecting wires through the concatenation position at two adjacent display panel, transmit one of them display panel's signal line to another display panel, integrated circuit cover brilliant film both can omit concatenation department, reduce driving cost, realize seamless concatenation, the while has still been solved because the display problem that the signal is asynchronous to lead to, however, because display panel's rigid substrate material reason, be easy in the concatenation department, there is poor or gap of section, lead to the connecting wire to produce the broken string in concatenation department, influence display module assembly's display effect.
Therefore, a display module, a method for manufacturing the same, and a display device are needed to solve the above technical problems.
Disclosure of Invention
The invention provides a display module, a manufacturing method thereof and a display device, which can solve the technical problem that a connecting line of a splicing type display module at the splicing position is broken at present.
The invention provides a display module, comprising:
the display panel comprises a rigid substrate and a flexible substrate positioned on the rigid substrate, wherein the flexible substrate is lapped on the rigid substrate of the adjacent display panel;
and one connecting line is electrically connected with the signal lines of two adjacent display panels, and any connecting line at least comprises a first part positioned on one side of the flexible substrate far away from the rigid substrate.
Preferably, in the first direction of the display module, any two adjacent display panels are respectively a first unit panel and a second unit panel; the end face of the rigid substrate of the first unit panel is in contact with the end face of the rigid substrate of the second unit panel, and the contact surface is a first contact surface; the end face of the flexible substrate of the first unit panel is in contact with the end face of the flexible substrate of the second unit panel, and the contact surface is a second contact surface; the first contact surface and the second contact surface are not overlapped in the top view direction of the display module.
Preferably, the first portion includes a first sub-portion on the flexible substrate of the first unit panel and a second sub-portion on the flexible substrate of the second unit panel; wherein the first sub-part is electrically connected to a signal line of the first unit panel, and the second sub-part is electrically connected to a signal line of the second unit panel.
Preferably, in the first direction of the display module, any two adjacent display panels are respectively a first unit panel and a second unit panel; the end face of the rigid substrate of the first unit panel is in contact with the end face of the rigid substrate of the second unit panel, and the contact surface is a first contact surface; the flexible substrate of the first unit panel is separated 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 inside the flexible substrate.
Preferably, the connection line further includes a second portion connected to the first portion, the second portion is located on the rigid substrate, and the signal line of the display panel is located on the rigid substrate.
Preferably, any one of the display panels includes a plurality of signal lines and a plurality of terminals near an 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 connection lines.
Preferably, any one of the terminals and any one of the signal lines are located on the flexible substrate.
The invention also provides a manufacturing method of the display module, which comprises the following steps:
providing at least two display panels, the display panels comprising a rigid substrate and a flexible substrate on the rigid substrate;
removing a portion of the rigid substrate and a portion of the flexible substrate of any of the display panels so that the flexible substrate includes a first cell protruding from the rigid substrate, the rigid substrate including a second cell protruding from the flexible substrate;
splicing at least two display panels to ensure that the first unit of one display panel is overlapped with the second unit of the adjacent display panel;
at least one connection line electrically connected to a signal line of the display panel is formed on any one of the flexible substrates.
Preferably, the step of splicing at least two display panels to enable the first unit of one display panel to be overlapped with the second unit of an adjacent display panel includes: splicing at least two display panels, enabling the first unit of one display panel to be overlapped with the second unit of the adjacent display panel, and enabling the end face of the first unit of one display panel to be in contact with the end face of the flexible substrate of the adjacent display panel; after at least one connecting wire electrically connected with a signal wire of the display panel is formed on any one of the flexible substrates, the display device further comprises: removing each of the rigid substrates.
The invention also provides a display device, which comprises a display module and a device main body, wherein the device main body and the display module are combined into a whole;
the display module is any one of the display modules, or the display module is manufactured by any one of the manufacturing methods of the display modules.
The invention has the beneficial effects that: according to the invention, by utilizing the characteristic of good coverage of the flexible substrate, the flexible substrate is covered at the splicing position of the rigid substrate, and the connecting wire is arranged on the flexible substrate, so that the wire breakage probability of the connecting wire at the splicing position of the rigid substrate is reduced, and the display effect of the display module is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic top view illustrating a first structure of a display module according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a second structure of a display module according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third structure of a display module according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a fourth structure of a display module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fifth structure of a display module according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating a method for fabricating a display module according to an embodiment of the present invention;
fig. 7A to 7D are schematic flow charts illustrating a method for manufacturing a display module according to an embodiment of the invention;
FIG. 8 is a schematic flow chart illustrating a method for fabricating a display module according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Furthermore, it should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, and are not intended to limit the present invention. In the present invention, unless otherwise specified, the use of directional terms such as "upper" and "lower" generally means upper and lower in the actual use or operation of the device, particularly in the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
In recent years, the concatenation formula display module assembly is researcher's important research direction, the concatenation formula display module assembly sets up many connecting wires through the concatenation position at two adjacent display panel, transmit one of them display panel's signal line to another display panel, integrated circuit cover brilliant film both can omit concatenation department, reduce driving cost, realize seamless concatenation, the while has still been solved because the display problem that the signal is asynchronous to lead to, however, because display panel's rigid substrate material reason, be easy in the concatenation department, there is poor or gap of section, lead to the connecting wire to produce the broken string in concatenation department, influence display module assembly's display effect.
Referring to fig. 1 to 5, an embodiment of the invention provides a display module 100, including:
at least two display panels 200 spliced with each other, wherein each display panel 200 comprises a rigid substrate 300 and a flexible substrate 400 positioned on the rigid substrate 300, and the flexible substrate 400 is overlapped on the rigid substrate 300 of the adjacent display panel 200;
a plurality of connecting lines 500, one of the connecting lines 500 being electrically connected to the signal lines 600 of two adjacent display panels 200, wherein any of the connecting lines 500 at least includes a first portion 510 located on a side of the flexible substrate 400 away from the rigid substrate 300.
According to the invention, by utilizing the characteristic of good coverage of the flexible substrate, the flexible substrate is covered at the splicing position of the rigid substrate, and the connecting wire is arranged on the flexible substrate, so that the wire breakage probability of the connecting wire at the splicing position of the rigid substrate is reduced, and the display effect of the display module is improved.
The technical solution of the present invention will now be described with reference to specific embodiments.
In this embodiment, referring to fig. 1, fig. 2, and fig. 3, the display module 100 includes: the display panel 200 comprises a rigid substrate 300 and a flexible substrate 400 positioned on the rigid substrate 300, the flexible substrate 400 is overlapped on the rigid substrate 300 adjacent to the display panel 200, one connecting line 500 is electrically connected with signal lines 600 of two adjacent display panels 200, and any connecting line 500 at least comprises a first part 510 positioned on one side of the flexible substrate 400 far away from the rigid substrate 300.
The flexible substrate 400 is arranged on the rigid substrate 300, the flexible substrate 400 extends out relative to the rigid substrate 300 and is overlapped on the rigid substrate 300 of the adjacent display panel 200, and the characteristic of good coverage of the flexible substrate 400 is utilized, so that the section difference or gap between the two corresponding rigid substrates 300 of the adjacent display panels 200 is made up, the disconnection probability of the connecting line 500 at the splicing position of the rigid substrates 300 is reduced, the synchronous display of signals is facilitated, the quality of the display module 100 is ensured, and the display effect of the display module 100 is improved.
In some embodiments, referring to fig. 1 and fig. 2, in a first direction of the display module 100, any two adjacent display panels 200 are a first unit panel 201 and a second unit panel 202, respectively; the end face of the rigid substrate 300 of the first unit panel 201 is in contact with the end face of the rigid substrate 300 of the second unit panel 202, and the contact face is a first contact face 310; the end face of the flexible substrate 400 of the first unit panel 201 is in contact with the end face of the flexible substrate 400 of the second unit panel 202, and the contact face is a second contact face 410; in a top view direction of the display module 100, the first contact surface 310 and the second contact surface 410 do not overlap.
In the display module 100, all the rigid substrates 300 and all the flexible substrates 400 form a whole-surface arrangement, and this structure arrangement can facilitate removing the rigid substrates 300 if necessary during the manufacturing process, so as to obtain the flexible display panel 200 and the flexible display module 100.
The splicing gaps of the flexible substrate 400 and the rigid substrate 300 are staggered, and the flexible substrate 400 can better cover the step difference or gap at the splicing position of the rigid substrate 300, so that the negative influence on the connecting line 500 caused by the step difference or gap at the splicing position of the rigid substrate 300 is reduced; meanwhile, the flexible substrate 400 is made of a flexible material, and the segment difference or the gap at the splicing position of the adjacent flexible substrates 400 is smaller than that of the splicing position of the adjacent rigid substrate 300, so that the negative influence on the connecting line 500 is small, the disconnection probability of the connecting line 500 is reduced, the quality of the display module 100 is ensured, and the display effect of the display module 100 is improved.
In some embodiments, referring to fig. 3, the first portion 510 includes a first sub-portion 511 on the flexible substrate 400 of the first unit panel 201, and a second sub-portion 512 on the flexible substrate 400 of the second unit panel 202; 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.
A portion of the connection line 500 is located on the flexible substrate 400 of the first unit panel 201, and a portion of the connection line is located on the flexible substrate 400 of the second unit panel 202, and is electrically connected to the corresponding signal line 600, so that signal communication between the first unit panel 201 and the second unit panel 202 is realized, and signal synchronous display is facilitated.
In some embodiments, referring to fig. 4, in a first direction of the display module 100, any two adjacent display panels 200 are a first unit panel 201 and a second unit panel 202, respectively; the end face of the rigid substrate 300 of the first unit panel 201 is in contact with the end face 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 disposed separately from the flexible substrate 400 of the second unit panel 202; in a top view direction of the display module 100, the first contact surface 310 is located inside the flexible substrate 400.
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 it is only required that the first contact surface 310 is 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 may be manufactured during the manufacturing of the display panel 200, or after the display panels 200 are spliced, the flexible substrate 400 may be formed to cover the joint of two adjacent rigid substrates 300.
In some embodiments, referring to fig. 4, the connection line 500 further includes a second portion 520 connected to the first portion 510, the second portion 520 is disposed on the rigid substrate 300, and the signal line 600 of the display panel 200 is disposed on the rigid substrate 300.
The terminal 700 and the signal line 600 may be disposed on the rigid substrate 300, in fig. 4, since the drawing space is limited, the terminal 700 is not shown, and the flexible substrate 400 is used for covering the joint of the rigid substrate 300, so that when two adjacent display panels 200 are crossed, the risk of breaking the connection line 500 is reduced, which is beneficial to synchronous display of signals, the quality of the display module 100 is ensured, and the display effect of the display module 100 is improved.
In some embodiments, referring to fig. 4, the thickness of the flexible substrate 400 gradually decreases from the edge of the display panel 200 to the center of the display panel 200.
The first portion 510 can smoothly transition to the rigid substrate 300 on the flexible substrate 400 with gradually decreasing thickness, so as to reduce the risk of wire breakage caused by transition and ensure the quality of the connection wire 500.
In some embodiments, any of the display panels 200 includes a plurality of signal lines 600 and a plurality of terminals 700 near the edges of the display panel 200; 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.
One of the connection lines 500 is electrically connected to one of the signal lines 600 through one of the terminals 700, and is conducted through the terminal 700, thereby facilitating alignment of the points and facilitating later maintenance.
In some embodiments, referring to fig. 3, any one of the terminals 700 and any one of the signal lines 600 are located on the flexible substrate 400.
The plurality of flexible substrates 400 are connected and disposed on the whole, the signal lines 600, the routing lines, the terminals 700, and the connection lines 500 of the display panel 200 are all located on the flexible substrates 400, and the flexible substrates 400 are more favorable for protecting lines.
In some embodiments, referring to fig. 5, the orthographic projection of the connecting line 500 on the display panel 200 is located within one of the two corresponding rigid substrates 300 in the rigid substrate 300.
The connecting lines 500 are avoided from the splicing position between two adjacent rigid substrates 300, the disconnection probability of the connecting lines 500 at the splicing position of the rigid substrates 300 is further reduced, and the display effect of the display module 100 is improved.
In some embodiments, in the first direction of the display module 100, any two adjacent display panels 200 are a first unit panel 201 and a second unit panel 202; the first unit panel 201 comprises a first splicing region, two adjacent edges of the first unit panel 201 are arranged in the first splicing region, and the flexible substrate 400 extends out of the rigid substrate 300 in the first splicing region; the second unit panel 202 includes a second splicing region corresponding to the first splicing region, two adjacent edges of the second unit panel 202 are disposed in the second splicing region, and the rigid substrate extends out of the flexible substrate 400 in the second splicing region.
In some embodiments, the display module 100 includes an edge region near an edge, and the flexible substrate 400 is flush with the edge of the rigid substrate 300 in the edge region. The outermost rigid substrate 300 and the flexible substrate 400 may be disposed flush.
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 an example and is not particularly limited.
In some embodiments, the display panel 200 further includes an array substrate. The array substrate comprises 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 layer located on the second insulating layer and a third insulating layer located on the source drain layer.
In some embodiments, the display panel 200 may be a liquid crystal display panel 200, or may be a self-luminous display panel 200.
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 film layer, and upper and lower polarizing layers. The display module 100 further includes a backlight unit corresponding to the display panel 200.
In some embodiments, the display panel 200 is a self-emissive 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 defining layer disposed on 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 back plate and the substrate.
In some embodiments, the Light Emitting device layer may include an OLED (Organic Light-Emitting Diode) material, and may also include a Micro LED or a Mini LED, which is not limited herein.
According to the invention, by utilizing the characteristic of good coverage of the flexible substrate, the flexible substrate is covered at the splicing position of the rigid substrate, and the connecting wire is arranged on the flexible substrate, so that the wire breakage probability of the connecting wire at the splicing position of the rigid substrate is reduced, and the display effect of the display module is improved.
Referring to fig. 6, an embodiment of the present invention further provides a manufacturing method of a display module 100, including:
s100, providing at least two display panels 200, wherein each display panel 200 comprises a rigid substrate 300 and a flexible substrate 400 positioned on the rigid substrate 300;
s200, removing a part of the rigid substrate 300 and a part of the flexible substrate 400 of any display panel 200, so that the flexible substrate 400 comprises a first unit 401 extending out of the rigid substrate 300, and the rigid substrate 300 comprises a second unit 301 extending out of the flexible substrate 400;
s300, splicing at least two display panels 200 to enable the first unit 401 of one display panel 200 to be overlapped with the second unit 301 of the adjacent display panel 200;
s400, forming at least one connection line 500 electrically connected to the signal line 600 of the display panel 200 on any one of the flexible substrates 400.
According to the invention, by utilizing the characteristic of good coverage of the flexible substrate, the flexible substrate is covered at the splicing position of the rigid substrate, and the connecting wire is arranged on the flexible substrate, so that the wire breakage probability of the connecting wire at the splicing position of the rigid substrate is reduced, and the display effect of the display module is improved.
The technical solution of the present invention will now be described with reference to specific embodiments.
In this embodiment, the method for manufacturing the display module 100 includes:
s100, providing at least two display panels 200, wherein the display panels 200 include a rigid substrate 300 and a flexible substrate 400 disposed on the rigid substrate 300, please refer to fig. 7A.
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 an example and is not particularly limited.
In some embodiments, any of the display panels 200 includes a plurality of signal lines 600 and a plurality of terminals 700 near the edges of the display panel 200; 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.
In some embodiments, any of the terminals 700 and any of the signal lines 600 are located on the flexible substrate 400.
S200, removing a portion of the rigid substrate 300 and a portion of the flexible substrate 400 of any display panel 200, so that the flexible substrate 400 includes a first unit 401 protruding from the rigid substrate 300, and the rigid substrate 300 includes a second unit 301 protruding from the flexible substrate 400, please refer to fig. 7B.
In some embodiments, the flexible substrate 400 and the rigid substrate 300 of the display panel 200 are patterned, wherein 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 in the figure, so as to form a first cell 401 and a second cell 301 for splicing, thereby facilitating the subsequent splicing of the display panel 200.
S300, splicing at least two display panels 200, such that the first unit 401 of one display panel 200 is overlapped with the second unit 301 of an adjacent display panel 200, please refer to fig. 7C.
In some embodiments, step S300 includes:
s310a, splicing at least two display panels 200, overlapping the first unit 401 of one display panel 200 and the second unit 301 of an adjacent display panel 200, and placing an end face of the first unit 401 of one display panel 200 in contact with an end face of the flexible substrate 400 of the adjacent display panel 200, please refer to fig. 7C.
In some embodiments, in the first direction of the display module 100, any two adjacent display panels 200 are a first unit panel 201 and a second unit panel 202; the end face of the rigid substrate 300 of the first unit panel 201 is in contact with the end face of the rigid substrate 300 of the second unit panel 202, and the contact surface is a first contact surface 310; the end face of the flexible substrate 400 of the first unit panel 201 is in contact with the end face of the flexible substrate 400 of the second unit panel 202, and the contact face is a second contact face 410; in a top view direction of the display module 100, the first contact surface 310 and the second contact surface 410 do not overlap.
In some embodiments, step S300 includes:
s310b, splicing at least two display panels 200, overlapping the first unit 401 of one display panel 200 and the second unit 301 of an adjacent display panel 200, and disposing an end face of the first unit 401 of one display panel 200 and an end face of the flexible substrate 400 of an adjacent display panel 200 at an interval, so as to avoid repeated drawings, please refer to fig. 4.
In some embodiments, in the first direction of the display module 100, any two adjacent display panels 200 are a first unit panel 201 and a second unit panel 202; the end face of the rigid substrate 300 of the first unit panel 201 is in contact with the end face of the rigid substrate 300 of the second unit panel 202, and the contact face is a first contact face 310; the flexible substrate 400 of the first unit panel 201 is disposed separately from the flexible substrate 400 of the second unit panel 202; in a top view direction of the display module 100, the first contact surface 310 is located inside the flexible substrate 400.
The flexible substrate 400 is arranged on the rigid substrate 300, the flexible substrate 400 extends out relative to the rigid substrate 300 and is overlapped on the rigid substrate 300 of the adjacent display panel 200, and the characteristic of good coverage of the flexible substrate 400 is utilized, so that the section difference or gap between the two corresponding rigid substrates 300 of the adjacent display panels 200 is made up, the disconnection probability of the connecting line 500 at the splicing position of the rigid substrates 300 is reduced, the synchronous display of signals is facilitated, the quality of the display module 100 is ensured, and the display effect of the display module 100 is improved.
S400, forming at least one connection line 500 electrically connected to the signal line 600 of the display panel 200 on any one of the flexible substrates 400, please refer to fig. 7D.
In some embodiments, the first portion 510 includes a first sub-portion 511 on the flexible substrate 400 of the first unit panel 201, and a second sub-portion 512 on the flexible substrate 400 of the second unit panel 202; 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.
In some embodiments, any of the terminals 700, any of the signal lines 600, and any of the connection lines 500 are located on the flexible substrate 400.
In some embodiments, the connection line 500 further includes a second portion 520 connected to the first portion 510, the second portion 520 is disposed on the rigid substrate 300, and the signal line 600 of the display panel 200 is disposed on the rigid substrate 300.
In some embodiments, step S400 includes:
s410, at least one connection line 500 electrically connected to the signal line 600 of the display panel 200 is formed on any one of the flexible substrates 400, please refer to fig. 7D.
S420, removing each of the rigid substrates 300, please refer to fig. 8.
In some embodiments, when the end surfaces of the flexible substrates 400 of two adjacent display panels 200 are in contact arrangement, all the rigid substrates 300 are removed, and a whole surface arrangement structure formed by a plurality of flexible substrates 400 is left, so that the flexible splicing type display module 100 is realized, flexible display is realized, and the improvement of the bending resistance of the display module 100 is facilitated.
According to the invention, by utilizing the characteristic of good coverage of the flexible substrate, the flexible substrate is covered at the splicing position of the rigid substrate, and the connecting wire is arranged on the flexible substrate, so that the wire breakage probability of the connecting wire at the splicing position of the rigid substrate is reduced, and the display effect of the display module is improved.
Referring to fig. 9, an embodiment of the present invention further provides a display device 10, including a display module 100 and a device main body 20, where the device main body 20 and the display module 100 are combined into a whole;
the display module 100 is any one of the display modules 100, or the display module 100 is manufactured by any one of the manufacturing methods of the display module 100.
For a specific structure of the display module 100, please refer to any embodiment and drawings of the display module 100, or any embodiment and drawings of the display module 100 manufactured by the manufacturing method of the display module 100, which are not described herein again.
In this embodiment, the device main body 20 may include a middle frame, frame glue, and the like, and the display device 10 may be a display terminal such as a mobile phone, a flat panel, a television, and the like, which is not limited herein.
The embodiment of the invention discloses a display module, a manufacturing method thereof and a display device; the display module comprises at least two display panels which are spliced with each other and a plurality of connecting lines, wherein each display panel comprises a rigid substrate and a flexible substrate positioned on the rigid substrate, the flexible substrate is lapped on the rigid substrate adjacent to the display panel, one connecting line is electrically connected with signal lines of two adjacent display panels, and any connecting line at least comprises a first part positioned on one side of the flexible substrate, which is far away from the rigid substrate; according to the invention, by utilizing the characteristic of good coverage of the flexible substrate, the flexible substrate is covered at the splicing position of the rigid substrate, and the connecting wire is arranged on the flexible substrate, so that the wire breakage probability of the connecting wire at the splicing position of the rigid substrate is reduced, and the display effect of the display module is improved.
The display module, the manufacturing method thereof and the display device provided by the embodiment of the invention are described in detail, a specific example is applied in the description to explain the principle and the implementation of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. A display module, comprising:
the display panel comprises a rigid substrate and a flexible substrate positioned on the rigid substrate, wherein the flexible substrate is lapped on the rigid substrate of the adjacent display panel;
and one connecting line is electrically connected with the signal lines of two adjacent display panels, and any connecting line at least comprises a first part positioned on one side of the flexible substrate far away from the rigid substrate.
2. The display module according to claim 1, wherein in the first direction of the display module, any two adjacent display panels are a first unit panel and a second unit panel respectively;
the end face of the rigid substrate of the first unit panel is in contact with the end face of the rigid substrate of the second unit panel, and the contact surface is a first contact surface;
the end face of the flexible substrate of the first unit panel is in contact with the end face of the flexible substrate of the second unit panel, and the contact surface is a second contact surface;
the first contact surface and the second contact surface are not overlapped in the top view direction of the display module.
3. The display module of claim 2, wherein the first portion comprises a first sub-portion on the flexible substrate of the first unit panel and a second sub-portion on the flexible substrate of the second unit panel;
wherein the first sub-part is electrically connected to a signal line of the first unit panel, and the second sub-part is electrically connected to a signal line of the second unit panel.
4. The display module according to claim 1, wherein in the first direction of the display module, any two adjacent display panels are a first unit panel and a second unit panel respectively;
the end face of the rigid substrate of the first unit panel is in contact with the end face of the rigid substrate of the second unit panel, and the contact surface is a first contact surface;
the flexible substrate of the first unit panel is separated 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 inside the flexible substrate.
5. The display module of claim 4, wherein the connecting wires further comprise a second portion connected to the first portion, the second portion is disposed on the rigid substrate, and the signal wires of the display panel are disposed on the rigid substrate.
6. The display module as claimed in claim 1, wherein any one of the display panels comprises a plurality of signal lines and a plurality of terminals near 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 connection lines.
7. The display module of claim 6, wherein any of the terminals and any of the signal lines are located on the flexible substrate.
8. A manufacturing method of a display module is characterized by comprising the following steps:
providing at least two display panels, the display panels comprising a rigid substrate and a flexible substrate on the rigid substrate;
removing a portion of the rigid substrate and a portion of the flexible substrate of any of the display panels so that the flexible substrate includes a first cell protruding from the rigid substrate, the rigid substrate including a second cell protruding from the flexible substrate;
splicing at least two display panels to ensure that the first unit of one display panel is overlapped with the second unit of the adjacent display panel;
at least one connection line electrically connected to a signal line of the display panel is formed on any one of the flexible substrates.
9. The method of claim 8, wherein the step of splicing at least two display panels such that the first unit of one display panel is overlapped with the second unit of an adjacent display panel comprises:
splicing at least two display panels, enabling the first unit of one display panel to be overlapped with the second unit of the adjacent display panel, and enabling the end face of the first unit of one display panel to be in contact with the end face of the flexible substrate of the adjacent display panel;
after at least one connecting wire electrically connected with a signal wire of the display panel is formed on any one of the flexible substrates, the display device further comprises:
removing each of the rigid substrates.
10. The display device is characterized by comprising a display module and a device main body, wherein the device main body and the display module are combined into a whole;
the display module is the display module of any one of claims 1 to 7, or the display module is manufactured by the manufacturing method of the display module of claim 8 or 9.
CN202210364127.6A 2022-04-07 2022-04-07 Display module, manufacturing method thereof and display device Pending CN114823770A (en)

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CN202210364127.6A CN114823770A (en) 2022-04-07 2022-04-07 Display module, manufacturing method thereof and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210364127.6A CN114823770A (en) 2022-04-07 2022-04-07 Display module, manufacturing method thereof and display device

Publications (1)

Publication Number Publication Date
CN114823770A true CN114823770A (en) 2022-07-29

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Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN114823770A (en)

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