CN113644047B - Display panel and mobile terminal - Google Patents
Display panel and mobile terminal Download PDFInfo
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- CN113644047B CN113644047B CN202110831741.4A CN202110831741A CN113644047B CN 113644047 B CN113644047 B CN 113644047B CN 202110831741 A CN202110831741 A CN 202110831741A CN 113644047 B CN113644047 B CN 113644047B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49811—Additional leads joined to the metallisation on the insulating substrate, e.g. pins, bumps, wires, flat leads
- H01L23/49816—Spherical bumps on the substrate for external connection, e.g. ball grid arrays [BGA]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/498—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers
- H01L23/49866—Leads, i.e. metallisations or lead-frames on insulating substrates, e.g. chip carriers characterised by the materials
- H01L23/49894—Materials of the insulating layers or coatings
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Abstract
The embodiment of the invention discloses a display panel and a mobile terminal; the display panel comprises a display area and a terminal area positioned at one side of the display area; a substrate, a plurality of first binding terminals positioned on the substrate and an organic insulating layer positioned on the first binding terminals are arranged in the terminal area, and an opening corresponding to the first binding terminals is arranged on the organic insulating layer; and a plurality of second binding terminals positioned on the organic insulating layer are further arranged in the terminal area, and the second binding terminals are electrically connected with the first binding terminals through the opening. According to the embodiment of the invention, the organic insulating layer arranged on the terminal is utilized, so that the adhesion between the organic insulating layer and the metal wiring is improved, the risk of separating and falling off the insulating film layer and the film layer between the insulating film layer and the metal wiring is reduced, and the electrical connection stability of the display panel is enhanced.
Description
Technical Field
The invention relates to the field of display, in particular to a display panel and a mobile terminal.
Background
In recent years, the process of the manufacturing process of the display panel is more and more complex, and the inorganic insulating film layer and the metal wiring in the non-display area have poor compatibility due to the difference of the manufacturing process, so that the film layer is easy to separate and fall off, and the technical problem of unstable electrical connection is caused.
Therefore, a display panel and a mobile terminal are needed to solve the above-mentioned problems.
Disclosure of Invention
The embodiment of the invention provides a display panel and a mobile terminal, which can solve the technical problem that the existing inorganic insulating film layer and a metal wiring are easy to separate and fall off, so that the electrical connection is unstable.
The embodiment of the invention provides a display panel, which comprises a display area and a terminal area positioned at one side of the display area; a substrate, a plurality of first binding terminals positioned on the substrate and an organic insulating layer positioned on the first binding terminals are arranged in the terminal area, and openings corresponding to the first binding terminals are formed in the organic insulating layer;
and a plurality of second binding terminals positioned on the organic insulating layer are further arranged in the terminal area, and the second binding terminals are electrically connected with the first binding terminals through the openings.
In one embodiment, the display panel includes the substrate, an array driving layer on the substrate, and a touch layer on the array driving layer; the array driving layer comprises a plurality of power lines, the power lines are electrically connected with the first binding terminals, the touch layer comprises a plurality of touch leads, and the touch leads are electrically connected with the second binding terminals.
In one embodiment, the terminal area comprises a redundant area far away from one side of the display area and a binding area between the redundant area and the display area; the opening is located in the binding area, and the second binding terminal is electrically connected with the first binding terminal in the binding area.
In an embodiment, the first binding terminal includes a first wire layer and a second wire layer, the first wire layer is located between the substrate and the second wire layer, the first wire layer is located in the binding region, the second wire layer is located in the binding region and extends toward the redundant region, and in a direction away from the binding region, a thickness of the second wire layer in the redundant region gradually decreases.
In an embodiment, the organic insulating layer within the redundant region is in contact with the substrate, the organic insulating layer comprising polyimide, the substrate comprising polyimide.
In an embodiment, in a direction from the display area to the opening, a thickness of the organic insulating layer is gradually reduced, and the touch lead is located on the organic insulating layer.
In an embodiment, the gradient of the organic insulating layer increases and then decreases in a direction from the display region to the opening.
In one embodiment, the terminal area comprises a redundant area far away from one side of the display area and a binding area between the redundant area and the display area; the organic insulating layer is positioned in the binding region and the redundant region, the opening is positioned in the redundant region of the display panel, the opening penetrates through the organic insulating layer and exposes the first binding terminal, and the second binding terminal is electrically connected with the first binding terminal through the opening.
In an embodiment, the aperture of the opening gradually decreases in a direction from the first binding terminal to the second binding terminal.
The embodiment of the invention also provides a mobile terminal, which comprises the display panel and the terminal main body, wherein the terminal main body and the display panel are combined into a whole.
According to the embodiment of the invention, the organic insulating layer arranged on the terminal is utilized, so that the adhesion between the organic insulating layer and the metal wiring is improved, the risk of separating and falling off the insulating film layer and the film layer between the insulating film layer and the metal wiring is reduced, and the electrical connection stability of the display panel is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a first structure of a display panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second structure of a display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a third structure of a display panel according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a fourth structure of a display panel according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a fifth structure of a display panel according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a sixth structure of a display panel according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a seventh structure of a display panel according to an embodiment of the present invention;
fig. 8 is a schematic top view of an eighth structure of a display panel according to an embodiment of the present invention;
FIG. 9 is a flowchart illustrating steps of a method for fabricating a display panel according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the invention. In the present invention, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
In recent years, the process of the manufacturing process of the display panel is more and more complex, and the inorganic insulating film layer and the metal wiring in the non-display area have poor compatibility due to the difference of the manufacturing process, so that the film layer is easy to separate and fall off, and the technical problem of unstable electrical connection is caused.
Referring to fig. 1 to 8, an embodiment of the present invention provides a display panel 100, which includes a display area a and a terminal area D located at one side of the display area a; a substrate 200, a plurality of first bonding terminals 300 located on the substrate 200, and an organic insulating layer 500 located on the first bonding terminals 300 are disposed in the terminal region D, and openings 510 corresponding to the first bonding terminals 300 are disposed on the organic insulating layer 500;
the terminal area D is further provided with a plurality of second bonding terminals 400 located on the organic insulating layer 500, and the second bonding terminals 400 are electrically connected to the first bonding terminals 300 through the openings 510.
According to the embodiment of the invention, the organic insulating layer arranged on the terminal is utilized, so that the adhesion between the organic insulating layer and the metal wiring is improved, the risk of separating and falling off the insulating film layer and the film layer between the insulating film layer and the metal wiring is reduced, and the electrical connection stability of the display panel is enhanced.
The technical scheme of the present invention will now be described with reference to specific embodiments.
The display panel 100 includes a display area a and a terminal area D located at one side of the display area a; a substrate 200, a plurality of first bonding terminals 300 located on the substrate 200, and an organic insulating layer 500 located on the first bonding terminals 300 are disposed in the terminal region D, and openings 510 corresponding to the first bonding terminals 300 are disposed on the organic insulating layer 500; the terminal area D is further provided with a plurality of second bonding terminals 400 located on the organic insulating layer 500, and the second bonding terminals 400 are electrically connected to the first bonding terminals 300 through the openings 510, specifically please participate in fig. 1.
In this embodiment, the display panel 100 includes the substrate 200, an array driving layer on the substrate 200, and a touch layer 410 on the array driving layer; the array driving layer includes a plurality of power lines, the power lines are electrically connected with the first bonding terminal 300, the touch layer 410 includes a plurality of touch leads, and the touch leads are electrically connected with the second bonding terminal 400, specifically please participate in fig. 1 and fig. 4. The touch lead may be a transmitting electrode wire or a receiving electrode wire or be electrically connected with the transmitting electrode wire or be electrically connected with the receiving electrode wire, which is not limited herein.
In this embodiment, the terminal area D includes a redundant area C far from the display area a and a binding area B located between the redundant area C and the display area a; the opening 510 is located in the binding area B, and the second binding terminal 400 is electrically connected to the first binding terminal 300 in the binding area B, specifically please participate in fig. 1. The redundant area C may be an area bent toward the back panel of the display panel 100, or may be an area serving as a package edge, which is not limited herein. With opening 510 sets up bind in district B, bind district B can have better wiring to arrange the planning region, first binding terminal 300 with second binding terminal 400 can have bigger connecting region, avoid organic insulating layer 500 takes place to drop, has improved the cohesiveness that organic insulating layer 500 and metal walked the line, has reduced insulating film layer and metal and has walked the rete separation risk of droing between the line, has strengthened the electric connection stability of display panel 100.
In this embodiment, the array driving layer includes an active layer, a first insulating layer disposed on the active layer, a gate layer 210 disposed on the first insulating layer, a second insulating layer disposed on the gate layer 210, a first source drain layer disposed on the second insulating layer, and a second source drain layer disposed on the first source drain layer. The insulating layer 220 includes the first insulating layer and the second insulating layer, the insulating layer 220 may be an inorganic insulating layer or an organic insulating layer, the first insulating layer and the second insulating layer may be stacked to form the insulating layer 220, and the insulating layer 220 may be located in the display area a or/and the terminal area D, which is not limited herein, and fig. 1 is specifically omitted.
In this embodiment, the first bonding terminal 300 includes a first wire layer 310 and a second wire layer 320, the first wire layer 310 is located between the substrate 200 and the second wire layer 320, the first wire layer 310 is located in the bonding area B, the second wire layer 320 is located in the bonding area B and extends toward the redundant area C, and in a direction away from the bonding area B, the thickness of the second wire layer 320 in the redundant area C is gradually reduced, specifically please participate in fig. 2. The first wire layer 310 is arranged in the same layer as the first source drain layer, the second wire layer 320 is arranged in the same layer as the second source drain layer, the first wire layer 310 is formed by extending the first source drain layer, and the second wire layer 320 is formed by extending the second source drain layer.
In this embodiment, the organic insulating layer 500 in the redundant area C is in contact with the substrate 200, the organic insulating layer 500 includes polyimide, and the substrate 200 includes polyimide, particularly shown in fig. 3. The organic insulating layer 500 including polyimide contacts the substrate 200 including polyimide, and the polyimide has a good adhesion therebetween, so that the organic insulating layer 500 is prevented from falling off the display panel 100, the risk of falling off of a film layer between an insulating film layer and a metal trace is reduced, and the electrical connection stability of the display panel 100 is enhanced. The technical scheme of the present invention will now be described with reference to specific embodiments.
In this embodiment, in the direction from the display area a to the opening 510, the thickness of the organic insulating layer 500 is gradually reduced, and the touch lead is located on the organic insulating layer 500, specifically please refer to fig. 4 and 5, wherein it can be understood that the second bonding terminal 400 is used to represent the touch lead. In the display area a, the display panel 100 further includes a light emitting layer 230 and a packaging layer 240 between the array driving layer and the touch layer 410, and due to the existence of the light emitting layer 230 and the packaging layer 240, the display area a and the film layer in the terminal area D have a certain level difference, the material of the organic insulating layer 500 is an organic material, which is easier to shape, and can support the touch lead, and the organic insulating layer 500 close to the display area a is flush with the packaging layer 240, so that the touch lead is prevented from being broken due to the level difference, the organic insulating layer 500 and the touch lead can be better attached, the organic insulating layer 500 is prevented from falling off, and the electrical connection stability of the display panel 100 is enhanced.
In this embodiment, in the direction from the display area a to the opening 510, the gradient of the organic insulating layer 500 increases and decreases, as shown in fig. 5. In the cross-sectional view, the surface of the organic insulating layer 500 may be a cubic function curve, so as to reduce the inflection point or "dead point" of the touch lead on the organic insulating layer 500, thereby reducing the risk of breakage of the touch lead and enhancing the electrical connection stability of the display panel 100.
In this embodiment, the terminal area D includes a redundant area C far from the display area a and a binding area B located between the redundant area C and the display area a; the organic insulating layer 500 is located in the bonding region B and the redundant region C, the opening 510 is located in the redundant region C of the display panel 100, the opening 510 penetrates through the organic insulating layer 500 and exposes the first bonding terminal 300, and the second bonding terminal 400 is electrically connected with the first bonding terminal 300 through the opening 510, as shown in fig. 6. The opening 510 exposes the second wire layer 320, and the second binding terminal 400 is electrically connected to the second wire layer 320 through the opening 510. The opening 510 is disposed in the redundant area C, so that punching can be facilitated, the display area a is prevented from being affected by a cracking factor during punching, the material of the organic insulating layer 500 is organic, punching can be facilitated, the first binding terminal 300 extends to the edge of the display panel 100, the first binding terminal 300 and the second binding terminal 400 which are both made of metal materials can have a rivet effect on the organic insulating layer 500, falling of the organic insulating layer 500 is prevented, and the electrical connection stability of the display panel 100 is enhanced.
In this embodiment, the aperture of the opening 510 gradually decreases in the direction from the first bonding terminal 300 to the second bonding terminal 400, and fig. 7 is particularly referred to. The opening 510 is arranged in a trapezoid, so that the contact area between the first bonding terminal 300 and the organic insulating layer 500 can be increased, and meanwhile, the trapezoid is more beneficial to preventing the organic insulating layer 500 from falling off, so that the electrical connection stability of the display panel 100 is enhanced.
In this embodiment, the openings 510 are projected on the substrate 200 or the organic insulating layer 500 in a rectangular shape and are arranged in an array, and refer to fig. 8.
In this embodiment, the distance between the second wire layer 320 and the first wire layer 310 in the redundant area C is smaller than the distance between the second wire layer 320 and the edge of the display panel 100 in the redundant area C, and the sides of the first insulating layer and the second insulating layer near the edge of the display panel 100 are flush with the sides of the second wire layer 320 near the edge of the display panel 100, so that the contact area between the organic insulating layer 500 and the substrate 200 can be increased, which is more beneficial to avoiding the falling of the organic insulating layer 500, and enhancing the electrical connection stability of the display panel 100.
According to the embodiment of the invention, the organic insulating layer arranged on the terminal is utilized, so that the adhesion between the organic insulating layer and the metal wiring is improved, the risk of separating and falling off the insulating film layer and the film layer between the insulating film layer and the metal wiring is reduced, and the electrical connection stability of the display panel is enhanced.
Referring to fig. 9, the embodiment of the invention further provides a method for manufacturing a display panel 100, the display panel 100 includes a display area a and a terminal area D located at one side of the display area a, and the method for manufacturing the display panel 100 includes:
s100, providing a substrate 200;
s200, forming a plurality of first binding terminals 300 in the terminal area D;
s300, forming an organic insulating layer 500 including a plurality of openings 510 on the first binding terminal 300;
s400, forming a plurality of second bonding terminals 400 on the organic insulating layer 500;
wherein the second bonding terminal 400 is electrically connected to the first bonding terminal 300 through the opening 510.
According to the embodiment of the invention, the organic insulating layer arranged on the terminal is utilized, so that the adhesion between the organic insulating layer and the metal wiring is improved, the risk of separating and falling off the insulating film layer and the film layer between the insulating film layer and the metal wiring is reduced, and the electrical connection stability of the display panel is enhanced.
The technical scheme of the present invention will now be described with reference to specific embodiments.
The manufacturing method of the display panel 100 includes:
s100, providing a substrate 200.
S200, forming a plurality of first bonding terminals 300 in the terminal region D.
In this embodiment, step S200 includes:
s210, forming an array driving layer on the substrate 200.
In this embodiment, step S210 includes:
s211, forming an active layer on the substrate 200.
S212, forming a first insulating layer on the active layer.
S213, forming a gate layer 210 on the first insulating layer.
S214, forming a second insulating layer on the gate layer 210.
S215, forming a first source-drain electrode layer on the second insulating layer.
S216, forming a third insulating layer on the first source-drain electrode layer.
S217, forming a second source-drain electrode layer on the third insulating layer.
In this embodiment, the first bonding terminal 300 in the terminal region D includes the first source-drain layer in the terminal region D and the second source-drain layer in the terminal region D.
In this embodiment, the display panel 100 includes the substrate 200, an array driving layer on the substrate 200, and a touch layer 410 on the array driving layer; the array driving layer includes a plurality of power lines electrically connected to the first bonding terminals 300, and the touch layer 410 includes a plurality of touch leads electrically connected to the second bonding terminals 400. The touch lead may be a transmitting electrode wire or a receiving electrode wire, or be electrically connected with the transmitting electrode wire or the receiving electrode wire, which is not limited herein, and particularly please refer to fig. 1 and 4.
In this embodiment, the terminal area D includes a redundant area C far from the display area a and a binding area B located between the redundant area C and the display area a; the opening 510 is located in the binding area B, and the second binding terminal 400 is electrically connected to the first binding terminal 300 in the binding area B, specifically please participate in fig. 1. The redundant area C may be an area bent toward the back panel of the display panel 100, or may be an area serving as a package edge, which is not limited herein. With opening 510 sets up bind in district B, bind district B can have better wiring to arrange the planning region, first binding terminal 300 with second binding terminal 400 can have bigger connecting region, avoid organic insulating layer 500 takes place to drop, has improved the cohesiveness that organic insulating layer 500 and metal walked the line, has reduced insulating film layer and metal and has walked the rete separation risk of droing between the line, has strengthened the electric connection stability of display panel 100.
In this embodiment, the first bonding terminal 300 includes a first wire layer 310 and a second wire layer 320, the first wire layer 310 is located between the substrate 200 and the second wire layer 320, the first wire layer 310 is located in the bonding area B, the second wire layer 320 is located in the bonding area B and extends toward the redundant area C, and in a direction away from the bonding area B, the thickness of the second wire layer 320 in the redundant area C is gradually reduced, specifically please participate in fig. 2. The first wire layer 310 is arranged in the same layer as the first source drain layer, the second wire layer 320 is arranged in the same layer as the second source drain layer, the first wire layer 310 is formed by extending the first source drain layer, and the second wire layer 320 is formed by extending the second source drain layer.
S300, forming an organic insulating layer 500 including a plurality of openings 510 on the first bonding terminal 300.
In this embodiment, the organic insulating layer 500 in the redundant area C is in contact with the substrate 200, the organic insulating layer 500 includes polyimide, and the substrate 200 includes polyimide, particularly shown in fig. 3. The organic insulating layer 500 including polyimide contacts the substrate 200 including polyimide, and the polyimide has a good adhesion therebetween, so that the organic insulating layer 500 is prevented from falling off the display panel 100, the risk of falling off of a film layer between an insulating film layer and a metal trace is reduced, and the electrical connection stability of the display panel 100 is enhanced. The technical scheme of the present invention will now be described with reference to specific embodiments.
In this embodiment, the openings 510 are projected on the substrate 200 or the organic insulating layer 500 in a rectangular shape and are arranged in an array, and refer to fig. 8.
S400, forming a plurality of second bonding terminals 400 on the organic insulating layer 500.
In this embodiment, in the direction from the display area a to the opening 510, the thickness of the organic insulating layer 500 is gradually reduced, and the touch lead is located on the organic insulating layer 500, specifically please refer to fig. 4 and 5, wherein it can be understood that the second bonding terminal 400 is used to represent the touch lead. In the display area a, the display panel 100 further includes a light emitting layer 230 and a packaging layer 240 between the array driving layer and the touch layer 410, and due to the existence of the light emitting layer 230 and the packaging layer 240, the display area a and the film layer in the terminal area D have a certain level difference, the material of the organic insulating layer 500 is an organic material, which is easier to shape, and can support the touch lead, and the organic insulating layer 500 close to the display area a is flush with the packaging layer 240, so that the touch lead is prevented from being broken due to the level difference, the organic insulating layer 500 and the touch lead can be better attached, the organic insulating layer 500 is prevented from falling off, and the electrical connection stability of the display panel 100 is enhanced.
In this embodiment, in the direction from the display area a to the opening 510, the gradient of the organic insulating layer 500 increases and decreases, as shown in fig. 5. In the cross-sectional view, the surface of the organic insulating layer 500 may be a cubic function curve, so as to reduce the inflection point or "dead point" of the touch lead on the organic insulating layer 500, thereby reducing the risk of breakage of the touch lead and enhancing the electrical connection stability of the display panel 100.
In this embodiment, the terminal area D includes a redundant area C far from the display area a and a binding area B located between the redundant area C and the display area a; the organic insulating layer 500 is located in the bonding region B and the redundant region C, the opening 510 is located in the redundant region C of the display panel 100, the opening 510 penetrates through the organic insulating layer 500 and exposes the first bonding terminal 300, and the second bonding terminal 400 is electrically connected with the first bonding terminal 300 through the opening 510, as shown in fig. 6. The opening 510 is disposed in the redundant area C, so that punching can be facilitated, the display area a is prevented from being affected by a cracking factor during punching, the material of the organic insulating layer 500 is organic, punching can be facilitated, the first binding terminal 300 extends to the edge of the display panel 100, the first binding terminal 300 and the second binding terminal 400 which are both made of metal materials can have a rivet effect on the organic insulating layer 500, falling of the organic insulating layer 500 is prevented, and the electrical connection stability of the display panel 100 is enhanced.
In this embodiment, the aperture of the opening 510 gradually decreases in the direction from the first bonding terminal 300 to the second bonding terminal 400, and fig. 7 is particularly referred to. The opening 510 is arranged in a trapezoid, so that the contact area between the first bonding terminal 300 and the organic insulating layer 500 can be increased, and meanwhile, the trapezoid is more beneficial to preventing the organic insulating layer 500 from falling off, so that the electrical connection stability of the display panel 100 is enhanced.
In this embodiment, the distance between the second wire layer 320 and the first wire layer 310 in the redundant area C is smaller than the distance between the second wire layer 320 and the edge of the display panel 100 in the redundant area C, and the sides of the first insulating layer and the second insulating layer near the edge of the display panel 100 are flush with the sides of the second wire layer 320 near the edge of the display panel 100, so that the contact area between the organic insulating layer 500 and the substrate 200 can be increased, which is more beneficial to avoiding the falling of the organic insulating layer 500, and enhancing the electrical connection stability of the display panel 100.
According to the embodiment of the invention, the organic insulating layer arranged on the terminal is utilized, so that the adhesion between the organic insulating layer and the metal wiring is improved, the risk of separating and falling off the insulating film layer and the film layer between the insulating film layer and the metal wiring is reduced, and the electrical connection stability of the display panel is enhanced.
Referring to fig. 10, an embodiment of the present invention further provides a mobile terminal 10, including a display panel 100 and a terminal body 20 as described above, where the terminal body 20 and the display panel 100 are combined into a whole.
The specific structure of the display panel 100 is shown in any of the embodiments of the display panel 100 and fig. 1 to 8, and will not be described herein.
In this embodiment, the terminal body 20 may include a middle frame, a frame glue, etc., and the mobile terminal 10 may be a mobile display terminal such as a display device, a mobile phone, a tablet, etc., which is not limited herein.
The embodiment of the invention discloses a display panel and a mobile terminal; the display panel comprises a display area and a terminal area positioned at one side of the display area; a substrate, a plurality of first binding terminals positioned on the substrate and an organic insulating layer positioned on the first binding terminals are arranged in the terminal area, and an opening corresponding to the first binding terminals is arranged on the organic insulating layer; and a plurality of second binding terminals positioned on the organic insulating layer are further arranged in the terminal area, and the second binding terminals are electrically connected with the first binding terminals through the opening. According to the embodiment of the invention, the organic insulating layer arranged on the terminal is utilized, so that the adhesion between the organic insulating layer and the metal wiring is improved, the risk of separating and falling off the insulating film layer and the film layer between the insulating film layer and the metal wiring is reduced, and the electrical connection stability of the display panel is enhanced.
The display panel and the mobile terminal provided by the embodiments of the present invention are described in detail, and specific examples are applied to illustrate the principles and the implementation of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present invention, the present description should not be construed as limiting the present invention.
Claims (2)
1. The display panel is characterized by comprising a display area and a terminal area positioned at one side of the display area; a substrate, a plurality of first binding terminals positioned on the substrate and an organic insulating layer positioned on the first binding terminals are arranged in the terminal area, and openings corresponding to the first binding terminals are formed in the organic insulating layer;
wherein the terminal area is internally provided with a plurality of second binding terminals positioned on the organic insulating layer, the second binding terminals are electrically connected with the first binding terminals through the openings, the display panel further comprises an array driving layer positioned on the substrate and a touch control layer positioned on the array driving layer, the array driving layer comprises a plurality of power wires, the power wires are electrically connected with the first binding terminals, the touch control layer comprises a plurality of touch control leads, the touch control leads are electrically connected with the second binding terminals,
the terminal area comprises a redundant area far away from one side of the display area and a binding area between the redundant area and the display area, the opening is positioned in the binding area, the second binding terminal is electrically connected with the first binding terminal in the binding area,
the organic insulating layer within the redundant region is in contact with the substrate, the organic insulating layer comprising polyimide, and the substrate comprising polyimide.
2. A mobile terminal comprising the display panel according to claim 1 and a terminal body, the terminal body being integrally combined with the display panel.
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| CN202110831741.4A CN113644047B (en) | 2021-07-22 | 2021-07-22 | Display panel and mobile terminal |
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| CN202110831741.4A CN113644047B (en) | 2021-07-22 | 2021-07-22 | Display panel and mobile terminal |
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| CN113644047B true CN113644047B (en) | 2023-06-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108023028A (en) * | 2016-10-31 | 2018-05-11 | 乐金显示有限公司 | Back plane substrate and the flexible display using back plane substrate |
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| KR20200123906A (en) * | 2019-04-22 | 2020-11-02 | 삼성디스플레이 주식회사 | Display panel |
| CN110970484B (en) * | 2019-12-20 | 2022-08-26 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN111755463A (en) * | 2020-06-24 | 2020-10-09 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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| CN108023028A (en) * | 2016-10-31 | 2018-05-11 | 乐金显示有限公司 | Back plane substrate and the flexible display using back plane substrate |
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