CN109273495B - OLED display panel and display device - Google Patents
OLED display panel and display device Download PDFInfo
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- CN109273495B CN109273495B CN201811106557.8A CN201811106557A CN109273495B CN 109273495 B CN109273495 B CN 109273495B CN 201811106557 A CN201811106557 A CN 201811106557A CN 109273495 B CN109273495 B CN 109273495B
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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
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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
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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
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Abstract
The invention discloses an OLED display panel and a display device, wherein the outer protective film layer covers part of the edge line on one side of an outer electrode line, and the manufacture procedure of the outer protective film layer is not more than that of an anode of the OLED display panel, so that the edge of a first metal layer with high activity can be protected by the outer protective film layer and is not corroded by etching liquid during anode manufacture, a cavity channel communicated between a first retaining wall and a second retaining wall is prevented from being formed at the edge of an outer electrode line, a water vapor erosion channel formed on the edge line of the outer electrode line between the first retaining wall and the second retaining wall is eliminated, and the high reliability of the OLED display panel is ensured.
Description
Technical Field
The invention relates to the technical field of display, in particular to an OLED display panel and a display device.
Background
An OLED (Organic Light-Emitting Diode) display device is a new generation of display device, which uses an Organic Light-Emitting Diode as a Light-Emitting display element. The organic light emitting diode is configured such that an organic light emitting material is disposed between an anode and a cathode, and then a voltage is applied to the organic light emitting material through the anode and the cathode to emit light. Because OLED display device does not need liquid crystal display panel and traditional backlight unit, consequently OLED display device is lighter and thinner, compares other types of display device, and OLED display device power consumption and cost are lower, and can work in very wide temperature range, consequently obtain more and more extensive application. However, the display panel of the conventional OLED display device has a drawback in that it is easily corroded by moisture.
Disclosure of Invention
In view of this, the present invention provides an OLED display panel and a display device, which eliminate a water vapor erosion channel formed on an edge line of an outer electrode line between a first retaining wall and a second retaining wall, and ensure high reliability of the OLED display panel.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
an OLED display panel, comprising an array substrate, the array substrate having disposed thereon:
the first retaining wall is arranged around the display area of the array substrate;
the array substrate is provided with a first retaining wall and a second retaining wall, the first retaining wall is arranged on the array substrate, the second retaining wall is arranged around the first retaining wall and is positioned in a gap area between the first retaining wall and the second retaining wall, a plurality of outer electrode wires are exposed on the array substrate, the outer electrode wires are of a first metal layer and a second metal layer laminated structure which are sequentially overlapped in the light emitting direction, and the metal activity of the first metal layer is greater than that of the second metal layer;
an outer protective film layer is arranged on at least one side edge area of at least one outer electrode wire, the outer protective film layer covers at least part of edge lines of the corresponding side of the outer electrode wire, and the manufacturing process of the outer protective film layer does not exceed the anode manufacturing process of the OLED display panel.
Optionally, the array substrate is located within the range of the first retaining wall, the array substrate includes a planarization layer, and is located in a gap area between the planarization layer and the first retaining wall, the array substrate is exposed with a plurality of inner electrode wires, and the inner electrode wires are the same as the outer electrode wires in quality;
an inner protective film layer is arranged on at least one side edge area of at least one inner electrode wire, the inner protective film layer covers at least part of edge lines of the corresponding side of the inner electrode wire, and the manufacturing process of the inner protective film layer does not exceed the anode manufacturing process of the OLED display panel.
Optionally, the outer protective film layer covers all edge lines of the corresponding side of the outer electrode wire;
and/or the inner protective film layer covers all edge lines of the corresponding side of the inner electrode wire.
Optionally, the outer protective film layer further extends to cover a side surface of the opposite retaining wall facing the outer electrode line, opposite to the end of the first retaining wall and/or opposite to the end of the second retaining wall;
and/or, the interior protection film layer is relative the tip of planarization layer still extends to cover the planarization layer orientation the side of interior electrode line, and/or interior protection film layer is relative the tip of first barricade still extends to cover first barricade orientation the side of interior electrode line.
Optionally, the length of the outer protective film layer extending to the side face of the retaining wall is not less than 10 micrometers;
and/or the length of the inner protective film layer extending to the side face of the first retaining wall is not less than 10 microns.
Optionally, the outer protection film layer includes a plurality of sub outer protection film layers, wherein the plurality of sub outer protection film layers are arranged along an extending direction of edge lines of respective sides of the outer electrode line;
and/or the inner protection film layer comprises a plurality of sub-inner protection film layers, wherein the plurality of sub-inner protection film layers are arranged along the extending direction of the edge line of the corresponding side of the inner electrode wire.
Optionally, the outer protective film layer is reused to manufacture a conductive layer of the anode of the OLED display panel;
and/or the inner protective film layer is reused for manufacturing a conductive layer of the anode of the OLED display panel.
Optionally, when the inner electrode wire and the outer electrode wire are connected to form a main electrode wire, the opposite ends of the outer protection film layer and the inner protection film layer corresponding to the main electrode wire are in contact with each other to form a main protection film layer, and the joint of the outer protection film layer and the inner protection film layer is located at the first retaining wall facing one side of the array substrate.
Optionally, the outer protection film layer is located at an inner portion and/or an outer portion of the edge line of the outer electrode line, and a width in a direction perpendicular to the edge line of the outer electrode line is not less than 10 micrometers;
and/or the inner protection film layer is positioned at the inner part and/or the outer part of the edge line of the inner electrode wire, and the width of the inner protection film layer in the direction vertical to the edge line of the inner electrode wire is not less than 10 microns.
Optionally, the outer electrode line further includes a third metal layer located on a side of the first metal layer away from the second metal layer, where the metal activity of the first metal layer is greater than that of the third metal layer.
Optionally, the outer electrode line is multiplexed to manufacture the conductive layers of the source and the drain of the array substrate.
Correspondingly, the invention also provides a display device which comprises the OLED display panel.
Compared with the prior art, the technical scheme provided by the invention at least has the following advantages:
the invention provides an OLED display panel and a display device, wherein the outer protective film layer covers part of the edge line on one side of an outer electrode line, and the manufacture procedure of the outer protective film layer is not more than that of an anode of the OLED display panel, so that the edge of a first metal layer with high activity can be protected by the outer protective film layer and is not corroded by etching liquid during anode manufacture, a cavity channel communicated between a first retaining wall and a second retaining wall is prevented from being formed at the edge of an outer electrode line, a water vapor erosion channel formed on the edge line of the outer electrode line between the first retaining wall and the second retaining wall is eliminated, and the high reliability of the OLED display panel is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an OLED display panel according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another OLED display panel provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of another OLED display panel according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of another OLED display panel provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of another OLED display panel provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of another OLED display panel according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of another OLED display panel according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of another OLED display panel according to an embodiment of the present disclosure.
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.
As described in the background art, the OLED display device does not require a liquid crystal panel and a conventional backlight module, so that the OLED display device is thinner and lighter, and compared with other types of display devices, the OLED display device has lower power consumption and cost, and can operate in a wide temperature range, thereby being more and more widely applied. However, the display panel of the conventional OLED display device has a drawback in that it is easily corroded by moisture.
Based on this, the embodiment of the application provides an OLED display panel and a display device, which eliminate a water vapor erosion channel formed on the edge line of the outer electrode wire between the first retaining wall and the second retaining wall, and ensure high reliability of the OLED display panel. In order to achieve the above object, the technical solutions provided by the embodiments of the present application are described in detail below, specifically with reference to fig. 1 to 8.
With reference to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an OLED display panel provided in an embodiment of the present application, and fig. 2 is a schematic structural diagram of another OLED display panel provided in an embodiment of the present application, where the OLED display panel includes an array substrate 100, and the array substrate 100 is provided with:
a first dam 210 disposed around the display region of the array substrate 100;
the second retaining wall 220 surrounding the first retaining wall 210 is located in a gap area between the first retaining wall 210 and the second retaining wall 220, the array substrate 100 is exposed with a plurality of external electrode wires 110, the external electrode wires 110 are of a laminated structure of a first metal layer 111 and a second metal layer 112 which are sequentially superposed in a light emergent direction, and the metal activity of the first metal layer 111 is greater than that of the second metal layer 112;
an outer protective film layer 120 is disposed on at least one side edge region of at least one outer electrode line 110, the outer protective film layer 120 covers at least a portion of the edge line of the corresponding side of the outer electrode line 110, and a manufacturing process of the outer protective film layer 120 does not exceed an anode manufacturing process of the OLED display panel.
The OLED display panel provided by the embodiment of the application comprises an array substrate, wherein the array substrate comprises a substrate and a transistor array positioned on the substrate. The array substrate provided in the embodiment of the present application is divided into a display area AA and a frame area surrounding the display area AA, wherein the first retaining wall 210 and the second retaining wall 220 are disposed on the array substrate 100 and located in the frame area; the OLED display panel further includes a planarization layer 310 on the array substrate 100, an anode layer on the planarization layer 310, the anode layer including a plurality of anodes 320, a pixel definition layer 330 formed behind the anodes 320, a hollow area formed on the pixel definition layer 330 corresponding to the anodes 320, an organic light emitting layer 340 on the anodes 320, a cathode 350 on the organic light emitting layer 340, and an encapsulation structure layer 360 for final encapsulation; the package structure layer 360 provided in the embodiment of the present application may be a laminated structure layer of a first inorganic film layer, an organic film layer, and a second inorganic film layer.
According to the structure of the OLED display panel provided by the embodiment of the application, firstly, a planarization layer is formed on the array substrate, then, the planarization layer is etched to form the first retaining wall and the second retaining wall, and then, the planarization layer is made of organic materials and cannot block water vapor, so that the planarization layer material between the first retaining wall and the second retaining wall needs to be removed, and finally, an outer electrode wire is exposed in a gap area of the array substrate between the first retaining wall and the second retaining wall; when the anode is manufactured subsequently, the anode is formed on the basis of an anode layer through an acid liquor wet etching process, and due to the fact that metal activity of a first metal layer of an outer electrode wire is high, the acid liquor can corrode the first metal layer at the edge line of the outer electrode wire more easily to form a hollow channel communicated with a first retaining wall and a second retaining wall, organic materials can be remained in the hollow channel when organic film structures such as a pixel definition layer are manufactured subsequently, the remained organic materials are communicated with the first retaining wall and the second retaining wall, an organic water vapor erosion channel is formed between the first retaining wall and the second retaining wall, a packaging structure layer cannot completely seal the first retaining wall and the second retaining wall, and the OLED display panel is finally low in reliability. The utility model provides an OLED display panel, in the course of the technology that does not exceed the positive pole processing procedure, the marginal area at outer electrode wire covers an outer protective film layer, outer protective film layer covers the partial margin line of outer electrode wire at least, and then, the first metal level in the edge of outer electrode wire that outer protective film layer can protect its coverage area is not corroded, in order to avoid the margin line of outer electrode wire to form the steam erosion channel that communicates first barricade and second barricade, guarantee OLED display panel's reliability height.
The transistor included in the transistor array provided in the embodiment of the present application may be a bottom gate transistor, and may also be a top gate transistor, which is not limited in this application. In addition, according to the transistor array provided by the embodiment of the application, after the source/drain electrode layers are manufactured, a passivation film layer is not required to be manufactured, and a planarization layer is directly formed on the array substrate, so that the film layer preparation quantity can be reduced, and the manufacturing process is simplified.
In an embodiment of the present application, the external electrode lines provided by the present application may be any electrode lines such as an anode potential line, a cathode potential line, a high level line, a low level line, a clock signal line, etc., and the electrode lines only need to be exposed in a gap area between the first retaining wall and the second retaining wall and be easily corroded by acid solution, so that the edge lines on both sides of all the external electrode lines are covered by the external protection film layer, and all water vapor erosion channels between the first retaining wall and the second retaining wall are eliminated.
Referring to fig. 3 and 4, fig. 3 is a schematic structural view of another OLED display panel implemented and provided in the present application, and fig. 4 is a schematic structural view of another OLED display panel implemented and provided in the present application, wherein the array substrate 100 includes a planarization layer 310 located in a gap region between the planarization layer 310 and the first retaining wall 210, the array substrate 100 is exposed with a plurality of inner electrode lines 130, and the inner electrode lines 130 are made of the same material as the outer electrode lines 110;
an inner protective film 140 is disposed on at least one side edge region of at least one inner electrode line 130, the inner protective film 140 covers at least a portion of the edge line of the corresponding side of the inner electrode line 130, and the manufacturing process of the inner protective film 140 does not exceed the anode manufacturing process of the OLED display panel.
It can be understood that the OLED display panel provided by the embodiment of the application improves the problem of water vapor erosion between the first retaining wall and the second retaining wall, and simultaneously, the edge of the inner electrode wire is protected by the inner protective film to be not corroded to be a cavity channel, so that the problem of water vapor erosion between the first retaining wall and the planarization layer is further improved, and the reliability of the OLED display panel is ensured to be higher.
Referring to fig. 5, a schematic structural diagram of another OLED display panel provided in the embodiment of the present application is shown, wherein the outer protection film layer 120 provided in the embodiment of the present application covers all edge lines of the corresponding sides of the outer electrode lines 110;
and/or, the inner protective film layer 140 covers all edge lines of the corresponding side of the inner electrode wire 130.
The edge lines of the outer electrode wires and the inner electrode wires are all covered by the corresponding protective film layers, so that the hidden danger of a cavity channel formed by the edge lines of the electrode wires is eliminated to the greatest extent, the OLED display panel is guaranteed to be good in packaging performance, and the OLED display panel is guaranteed to be high in reliability. It should be noted that the edge line on one side of the electrode line provided in the embodiment of the present application is an edge line on one of two sides in the extending direction of the vertical electrode line.
Referring to fig. 6, a schematic structural diagram of another OLED display panel provided in this embodiment of the present application is shown, wherein the end of the outer protective film 120 opposite to the first retaining wall 210 and/or the end opposite to the second retaining wall 220 provided in this embodiment of the present application further extends to cover the side of the opposite retaining wall facing the outer electrode lines 110;
and/or, the end of the inner protective film 140 opposite to the planarization layer 310 further extends to cover the side of the planarization layer 310 facing the inner electrode line 130, and/or the end of the inner protective film 140 opposite to the first retaining wall 210 further extends to cover the side of the first retaining wall 210 facing the inner electrode line 130.
In an embodiment of the present application, the length of the outer protective film layer extending to the side face of the retaining wall is not less than 10 micrometers;
and/or the length of the inner protective film layer extending to the side face of the first retaining wall is not less than 10 microns.
It can be understood that, after the protective film layer completely covers one side edge line of the electrode wire, the end portion of the protective film layer extends to cover the side edge of the retaining wall or the planarization layer, so that the protective film layer better protects the edge line of the electrode wire from being corroded.
In an embodiment of the present application, the protective film layer provided by the present application may be a full-surface protective film layer, such as the protective film layer shown in any one of fig. 1 to 6, which is a full-surface protective film layer, and the present application is not particularly limited, only it needs to satisfy that the edge line of the electrode line does not form a hollow channel communicating the first retaining wall and the second retaining wall, and does not form a hollow channel communicating the first retaining wall and the planarization layer, and specifically, as shown in fig. 7, a structural schematic diagram of another OLED display panel provided by the embodiment of the present application, wherein the outer protective film layer includes a plurality of sub outer protective film layers 121, and the plurality of sub outer protective film layers 121 are arranged along the extending direction of the edge line on the corresponding side of the outer electrode line 110;
and/or, the inner protection film layer includes a plurality of sub inner protection film layers 141, wherein the plurality of sub inner protection film layers 141 are arranged along an extending direction of edge lines of the respective sides of the inner electrode lines 130.
It can be understood that the sub-protection film layer protects the edge lines of its covered area from being corroded, and therefore, even if the edge lines not covered by the self-protection film layer are corroded to be holes, since adjacent holes cannot be communicated with each other, a hole channel communicating the first retaining wall and the second retaining wall cannot be formed, and a hole channel communicating the first retaining wall and the planarization layer cannot be formed, so that high encapsulation performance and reliability of the OLED display panel are ensured.
Further, in order to reduce the number of manufactured film layers and simplify the manufacturing process, the outer protective film layer provided by the embodiment of the application is reused for manufacturing the conductive layer of the anode of the OLED display panel;
and/or the inner protective film layer is reused for manufacturing a conductive layer of the anode of the OLED display panel.
It can be understood that, because the process of the protective film layer does not exceed the process of the anode, the protective film layer can be reused for manufacturing the anode layer of the anode, and the edge line of the electrode wire is protected from being corroded to be a communicated hollow channel by optimizing the size of the protective film layer of the anode material. And when the anode layer is reused by the protective film layers provided by the embodiment of the application, the distance between the adjacent protective film layers is set to be not less than 10 micrometers, so that short circuit caused by contact between the adjacent protective film layers is avoided.
In an embodiment of the present application, when the inner electrode line and the outer electrode line are connected to each other as the main electrode line, the opposite ends of the outer protection film layer and the inner protection film layer corresponding to the main electrode line are contacted to form a main protection film layer, and the junction of the outer protection film layer and the inner protection film layer is located at the first retaining wall facing the array substrate side. Referring to fig. 7, a schematic structural view of another OLED display panel provided in this embodiment of the present invention is shown, wherein the inner electrode lines and the outer electrode lines are connected to form main electrode lines 150, so that the main electrode lines 150 are in a shape of penetrating through the first retaining walls 210, and due to isotropic etching characteristics of the acidic etching solution, the acidic etching solution can corrode edge lines of the main electrode lines 150 between the first retaining walls 210 and the array substrate 100, so that opposite ends of the outer protective film and the inner protective film corresponding to the main electrode lines 150 provided in this embodiment of the present invention contact the main protective film 160, that is, the main protective film 160 also penetrates through the first retaining walls 210 to protect the edge lines of the main electrode lines 150 under the first retaining walls 210.
In any of the above embodiments of the present application, the outer protection film layer provided by the present application is located at an inner portion and/or an outer portion of the edge line of the outer electrode line, and has a width in a direction perpendicular to the edge line of the outer electrode line of not less than 10 μm;
and/or the inner protection film layer is positioned at the inner part and/or the outer part of the edge line of the inner electrode wire, and the width of the inner protection film layer in the direction vertical to the edge line of the inner electrode wire is not less than 10 microns.
Wherein, the protection rete that this application embodiment provided extends not less than 10 microns to the electrode line internal direction from the edge line of electrode line, andor, extends not less than 10 microns to the outer direction of electrode line, optimizes the size of protection rete, guarantees that the protection rete carries out better protection to the edge line of electrode line.
In an embodiment of the present application, the outer electrode line further includes a third metal layer located on a side of the first metal layer away from the second metal layer, where a metal activity of the first metal layer is greater than a metal activity of the third metal layer. In an embodiment of the present application, the third metal layer and the second metal layer provided by the present application are made of the same material, where the first metal layer provided by the present application may be made of aluminum, and the second metal layer and the third metal layer may be made of titanium.
In an embodiment of the present application, the outer electrode lines provided in the present application are reused to manufacture the conductive layers of the source and the drain of the array substrate, that is, the electrode layers for manufacturing the outer electrode lines provided in the present application are reused to manufacture the source and drain electrode layers of the source and the drain.
In any of the above embodiments, the edge lines on both sides of the outer electrode line and the inner electrode line provided by the present application are covered with the protective film layer, so that a moisture erosion channel between the first retaining wall and the second retaining wall and between the first retaining wall and the planarization layer is eliminated to the greatest extent.
Correspondingly, the embodiment of the application also provides a display device which comprises the OLED display panel.
The embodiment of the application provides an OLED display panel and display device, cover the partial margin line of outer electrode line one side through outer protection rete, and the processing procedure of outer protection rete is no longer than the processing procedure of OLED display panel's positive pole, consequently can protect the edge of the big first metal level of activity through outer protection rete, etching liquid when not makeed the positive pole corrodes, and avoid forming the cavity passageway that communicates between first barricade and the second barricade at the edge of outer electrode line, and then eliminate the steam that forms on the margin line of outer electrode line between first barricade and the second barricade and corrode the passageway, guarantee OLED display panel's reliability height.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The OLED display panel comprises an array substrate, and is characterized in that:
the first retaining wall is arranged around the display area of the array substrate;
the array substrate is provided with a first retaining wall and a second retaining wall, the first retaining wall is arranged on the array substrate, the second retaining wall is arranged around the first retaining wall and is positioned in a gap area between the first retaining wall and the second retaining wall, a plurality of outer electrode wires are exposed on the array substrate, the outer electrode wires are of a first metal layer and a second metal layer laminated structure which are sequentially overlapped in the light emitting direction, and the metal activity of the first metal layer is greater than that of the second metal layer;
an outer protective film layer is arranged on at least one side edge area of at least one outer electrode wire, the outer protective film layer covers at least part of edge lines of the corresponding side of the outer electrode wire, and the manufacturing process of the outer protective film layer does not exceed the anode manufacturing process of the OLED display panel;
the array substrate comprises a planarization layer and is positioned in a gap area between the planarization layer and the first retaining wall, a plurality of inner electrode wires are exposed on the array substrate, and the inner electrode wires are the same as the outer electrode wires in quality; an inner protective film layer is arranged on at least one side edge area of at least one inner electrode wire, the inner protective film layer covers at least part of edge lines of the corresponding side of the inner electrode wire, and the manufacturing process of the inner protective film layer does not exceed the anode manufacturing process of the OLED display panel;
the outer protective film layer covers all edge lines of the corresponding side of the outer electrode wire; and/or, the inner protective film layer covers all edge lines of the corresponding side of the inner electrode wire;
the outer protective film layer is opposite to the end part of the first retaining wall and/or opposite to the end part of the second retaining wall and also extends to cover the side face, facing the outer electrode wire, of the opposite retaining wall; and/or, the interior protection film layer is relative the tip of planarization layer still extends to cover the planarization layer orientation the side of interior electrode line, and/or interior protection film layer is relative the tip of first barricade still extends to cover first barricade orientation the side of interior electrode line.
2. The OLED display panel of claim 1, wherein the length of the outer protective film layer extending to the side of the retaining wall is not less than 10 μm;
and/or the length of the inner protective film layer extending to the side face of the first retaining wall is not less than 10 microns.
3. The OLED display panel according to claim 1, wherein the outer protective film layer includes a plurality of sub outer protective film layers, wherein the plurality of sub outer protective film layers are arranged along an extending direction of edge lines of respective sides of the outer electrode lines;
and/or the inner protection film layer comprises a plurality of sub-inner protection film layers, wherein the plurality of sub-inner protection film layers are arranged along the extending direction of the edge line of the corresponding side of the inner electrode wire.
4. The OLED display panel of claim 1, wherein the outer protective film layer is reused to make a conductive layer of an anode of the OLED display panel;
and/or the inner protective film layer is reused for manufacturing a conductive layer of the anode of the OLED display panel.
5. The OLED display panel of claim 1, wherein when the inner electrode wires and the outer electrode wires are connected to form main electrode wires, opposite ends of the outer protective film layer and the inner protective film layer corresponding to the main electrode wires are contacted to form main protective films, and a connection portion of the outer protective film layer and the inner protective film layer is located on a side of the first retaining wall facing the array substrate.
6. The OLED display panel according to claim 1, wherein the outer protective film layer is located at an inner portion and/or an outer portion of the edge line of the outer electrode line, and has a width of not less than 10 μm in a direction perpendicular to the edge line of the outer electrode line;
and/or the inner protection film layer is positioned at the inner part and/or the outer part of the edge line of the inner electrode wire, and the width of the inner protection film layer in the direction vertical to the edge line of the inner electrode wire is not less than 10 microns.
7. The OLED display panel of claim 1, wherein the outer electrode lines further comprise a third metal layer on a side of the first metal layer facing away from the second metal layer, wherein the metal activity of the first metal layer is greater than the metal activity of the third metal layer.
8. The OLED display panel of claim 1, wherein the outer electrode lines are multiplexed to form conductive layers of the source and drain electrodes of the array substrate.
9. A display device comprising the OLED display panel according to any one of claims 1 to 8.
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| CN201811106557.8A CN109273495B (en) | 2018-09-21 | 2018-09-21 | OLED display panel and display device |
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| CN201811106557.8A CN109273495B (en) | 2018-09-21 | 2018-09-21 | OLED display panel and display device |
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| CN106653818A (en) * | 2017-01-23 | 2017-05-10 | 上海天马有机发光显示技术有限公司 | Display panel, display apparatus and preparation method for display panel |
| CN107068715A (en) * | 2017-03-28 | 2017-08-18 | 上海天马微电子有限公司 | A kind of preparation method of organic electroluminescence display panel, organic light-emitting display device and organic electroluminescence display panel |
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| JP2003100446A (en) * | 2001-09-21 | 2003-04-04 | Sanyo Electric Co Ltd | Organic electroluminescence panel and its manufacturing method |
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| KR101992902B1 (en) * | 2012-12-20 | 2019-06-25 | 엘지디스플레이 주식회사 | Organic light emitting diode display device and method of fabricating the same |
| CN105789263B (en) * | 2016-05-03 | 2019-02-19 | 上海天马微电子有限公司 | Organic light emitting display and preparation method |
| CN107966844A (en) * | 2017-11-22 | 2018-04-27 | 深圳市华星光电半导体显示技术有限公司 | The preparation method of color membrane substrates, display panel and color membrane substrates |
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| CN107887525A (en) * | 2016-09-29 | 2018-04-06 | 乐金显示有限公司 | Organic light-emitting display device |
| CN106653818A (en) * | 2017-01-23 | 2017-05-10 | 上海天马有机发光显示技术有限公司 | Display panel, display apparatus and preparation method for display panel |
| CN107068715A (en) * | 2017-03-28 | 2017-08-18 | 上海天马微电子有限公司 | A kind of preparation method of organic electroluminescence display panel, organic light-emitting display device and organic electroluminescence display panel |
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