CN119546096A - Display panel and display device - Google Patents
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- CN119546096A CN119546096A CN202411603955.6A CN202411603955A CN119546096A CN 119546096 A CN119546096 A CN 119546096A CN 202411603955 A CN202411603955 A CN 202411603955A CN 119546096 A CN119546096 A CN 119546096A
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- 230000003068 static effect Effects 0.000 claims abstract description 60
- 230000005611 electricity Effects 0.000 claims abstract description 58
- 239000000758 substrate Substances 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims description 80
- 239000002131 composite material Substances 0.000 claims description 53
- 239000004065 semiconductor Substances 0.000 claims description 31
- 239000010410 layer Substances 0.000 description 210
- 238000009413 insulation Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229920001621 AMOLED Polymers 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
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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
- H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
- H01L23/60—Protection against electrostatic charges or discharges, e.g. Faraday shields
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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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application provides a display panel and a display device, wherein the display panel comprises a first electrostatic shielding wire, a second electrostatic shielding wire and an electrostatic protection structure, wherein the first electrostatic shielding wire is positioned on one side of a substrate and is positioned in a non-display area, the first electrostatic shielding wire is arranged in a closed mode around the display area, the second electrostatic shielding wire is arranged in a closed mode around the first electrostatic shielding wire, the electrostatic protection structure is positioned on the same side of the substrate as the first electrostatic shielding wire and is positioned in the non-display area, the electrostatic protection structure is electrically connected with the first electrostatic shielding wire, the electrostatic protection structure comprises a second luminescent material layer used for absorbing static electricity, and the second luminescent material layer is positioned in the non-display area. According to the display panel provided by the application, the first closed electrostatic shielding wire is arranged in the non-display area, so that static electricity is transferred to the static electricity protection structure and absorbed, the risk of poor display caused by the static electricity entering the display area is reduced, and the performance of the display panel is improved.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
In recent years, in order to improve the display appearance and display effect, flexible OLED (Organic Light-Emitting Diode) displays are increasingly used. An OLED (Organic Light-Emitting Diode) is an active Light-Emitting device of a sandwich structure composed of a plurality of Organic layers and two side electrodes. Currently, active-matrix organic light-emitting diode (Active matrix organic light emitting diode) based display screens have been commercialized in the fields of smart phones, watches, notebook computers, and the like.
However, the display performance of the OLED display panel is currently susceptible to static electricity.
Disclosure of Invention
In view of the above, the present application provides a display panel and a display device, which are beneficial to improving the anti-static capability and reducing the bad display.
Based on the above object, the present application provides a display panel comprising:
A substrate including a display region and a non-display region, the non-display region disposed around the display region;
the first electrostatic shielding line is positioned on one side of the substrate and positioned in the non-display area, and the first electrostatic shielding line is arranged in a closed mode around the display area;
The electrostatic protection structure is positioned on the same side of the substrate as the first electrostatic shielding wire and is positioned in the non-display area, the electrostatic protection structure is electrically connected with the first electrostatic shielding wire, the electrostatic protection structure comprises a second light-emitting composite layer for absorbing static electricity on the first electrostatic shielding wire, and the second light-emitting composite layer is positioned in the non-display area.
In one embodiment, the display panel further includes:
A second electrostatic shielding line which is positioned on the same side of the substrate as the first electrostatic shielding line and is positioned in the non-display area, wherein the second electrostatic shielding line is arranged in a closed mode around the first electrostatic shielding line, and the interval between the first electrostatic shielding line and the second electrostatic shielding line is unequal;
preferably, the first electrostatic shielding line and the second electrostatic shielding line are arranged at intervals;
Preferably, the first electrostatic shielding line and the second electrostatic shielding line are located at one side of the electrostatic protection structure, which is close to the substrate.
In one embodiment, the second electrostatic shielding line comprises a first tip part protruding towards one side close to the display area, and the minimum distance between the first electrostatic shielding line and the second electrostatic shielding line is positioned at the first tip part;
Preferably, the second electrostatic shielding wire includes a plurality of the first tip portions;
preferably, there is an overlap between the orthographic projection of the electrostatic protection structure on the substrate and the orthographic projection of the first tip portion on the substrate.
In one embodiment, the second electrostatic shielding line includes a second tip portion protruding toward a side away from the display area, the second tip portion being for absorbing external static electricity;
preferably, the second electrostatic shielding wire includes a plurality of the second tip portions;
Preferably, the first tip portions and the second tip portions are alternately arranged;
Preferably, there is an overlap between the orthographic projection of the electrostatic protection structure on the substrate and the orthographic projection of the second tip portion on the substrate.
In one embodiment, the display panel further includes:
the first light-emitting composite layer and the second light-emitting composite layer are arranged on the same layer, the first light-emitting composite layer is positioned in the display area, and the second light-emitting composite layer is positioned in the non-display area;
The first metal layer is positioned between the first light-emitting composite layer and the substrate and is positioned in the display area, and the second metal layer is positioned between the second light-emitting composite layer and the substrate and is positioned in the non-display area;
The electrostatic protection structure comprises the second metal layer and the second light-emitting composite layer, and the second light-emitting composite layer is electrically connected with the first electrostatic shielding wire through the second metal layer;
Preferably, the first metal layer is used for forming source/drain electrodes of the transistor.
In one embodiment, the display panel further includes:
The first semiconductor layer is positioned between the first metal layer and the substrate and is positioned in the display area, and the second semiconductor layer is positioned between the second metal layer and the substrate and is positioned in the non-display area;
the first electrostatic shielding line and the second electrostatic shielding line are positioned on the second semiconductor layer;
preferably, the first semiconductor layer is used to form an active layer of a transistor.
In one embodiment, the display panel further includes:
The first insulating layer is positioned between the first metal layer and the first semiconductor layer, and the second insulating layer is positioned between the second metal layer and the second semiconductor layer.
In one embodiment, the first luminescent composite layer comprises a first luminescent material layer and a first anode, the first anode being located between the first luminescent material layer and the first metal layer;
the second luminescent composite layer includes the second luminescent material layer and a second anode, the second anode being located between the second luminescent material layer and the second metal layer.
In one embodiment, the display panel further includes:
The third metal layer is at least positioned in the display area, and the third metal layer and the first metal layer are positioned on the same side of the substrate;
Preferably, the third metal layer is used to form a gate of the transistor.
In one embodiment, the display panel further includes:
the third insulating layer is positioned between the third metal layer and the substrate, and the fourth insulating layer is positioned between the second metal layer and the substrate;
A fifth insulating layer and a sixth insulating layer which are arranged on the same layer, wherein the fifth insulating layer is positioned between the first light-emitting composite layer and the first metal layer, and the sixth insulating layer is positioned between the second light-emitting composite layer and the second metal layer;
A first planarization layer and a second planarization layer, which are arranged on the same layer, wherein the first planarization layer is positioned between the first light-emitting composite layer and the fifth insulating layer, and the second planarization layer is positioned between the second light-emitting composite layer and the sixth insulating layer;
Preferably, the fourth insulating layer is at least partially located between the first electrostatic shielding line and the second electrostatic shielding line.
Based on the same inventive concept, the application also discloses a display device comprising the display panel.
Compared with the prior art, the display panel provided by the application has the advantages that the closed first electrostatic shielding wire is arranged in the non-display area, so that static electricity is conducted on the first electrostatic shielding wire, the static electricity is prevented from being transferred to the display area, and the static electricity can be transferred to the static electricity protection structure electrically connected with the first electrostatic shielding wire and absorbed by the luminescent material in the static electricity protection structure, so that the risk of poor display caused by the static electricity entering the display area is reduced, and the performance of the display panel is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present application or related art, the drawings that are required to be used in the description of the embodiments or related art will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort to those of ordinary skill in the art.
FIG. 1 is a schematic diagram of a related display panel;
FIG. 2 is a schematic diagram of a display panel according to an embodiment of the application;
FIG. 3 is a schematic diagram of a second electrostatic shielding line of a display panel according to an embodiment of the present application;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a schematic diagram of a layer structure of a display panel according to another embodiment of the application;
FIG. 6 is a schematic diagram of a layer structure of a display panel according to another embodiment of the application;
FIG. 7 is a schematic diagram of a layer structure of a display panel according to another embodiment of the application;
FIG. 8 is a schematic diagram of a layer structure of a display panel according to another embodiment of the application;
FIG. 9 is a schematic diagram of a layer structure of a display panel according to another embodiment of the application;
fig. 10 is a schematic view of a partial structure of a display panel according to another embodiment of the application.
The marking instructions comprise 100, a display panel, 101, a display area, 102, a non-display area, 10, a substrate, 11, a first electrostatic shielding wire, 12, a second electrostatic shielding wire, 121, a first tip part, 122, a second tip part, 13, an electrostatic protection structure, 131, a second light-emitting composite layer, 1310, a second light-emitting material layer, 1311, a second anode, 132, a second metal layer, 133, a second semiconductor layer, 134, a second insulating layer, 135, a fourth insulating layer, 136, a sixth insulating layer, 138 and a second planarization layer;
201. the light-emitting diode comprises a first light-emitting composite layer, 2010, a first light-emitting material layer, 2011, a first anode, 202, a first metal layer, 203, a first semiconductor layer, 204, a first insulating layer, 205, a third insulating layer, 206, a fifth insulating layer, 207, a third metal layer and 208, and a first planarization layer.
Detailed Description
The present application will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present application more apparent.
It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present application should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "first," "second," and the like, as used in embodiments of the present application, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
The substrate of the flexible OLED adopts flexible organic materials, and the most widely used materials at present are mainly polyimide materials (PI) with the thickness in the range of tens of micrometers. Thinner substrate materials allow flexible OLED products to exhibit poor display due to static electricity under severe static testing, or under certain relatively severe end-use conditions.
Referring to fig. 1, a related display panel 100 is shown, the display panel 100 includes a substrate 10, the substrate 10 includes a display area 101 and a non-display area 102, and the non-display area 102 is disposed around the display area 101. As a result of studies by the inventors, it was found that, in an actual use or test scenario, external static electricity generally enters the non-display region 102 from the outside of the display panel 100 and then extends from the non-display region 102 to the display region 101, and the static electricity entering the display panel 100 may cause fluctuation in characteristics of thin film transistors (TFTs, thin film transistor), causing abnormal display or functional failure.
Based on the above, the present application provides a display panel and a display device solution to solve the above problems.
Referring to fig. 2, 3 and 4, a display panel 100 according to an embodiment of the application is provided, the display panel 100 includes a substrate 10, a first electrostatic shielding line 11 and an electrostatic protection structure 13, wherein the substrate 10 includes a display area 101 and a non-display area 102, the non-display area 102 is disposed around the display area 101, the first electrostatic shielding line 11 is disposed on one side of the substrate 10 and is disposed in the non-display area 102, and the first electrostatic shielding line 11 is disposed around the display area 101 in a closed manner. The electrostatic protection structure 13 is located on the same side of the substrate 10 as the first electrostatic shielding line 11 and is located in the non-display area 102, and the electrostatic protection structure 13 is electrically connected to the first electrostatic shielding line 11 and is used for absorbing the static electricity on the first electrostatic shielding line 11.
According to the display panel 100 provided by the embodiment of the application, the closed first electrostatic shielding line 11 is arranged in the non-display area 102, so that static electricity is conducted on the first electrostatic shielding line 11, the static electricity is prevented from being transferred to the display area 101, and the static electricity can be transferred to the static electricity protection structure 13 electrically connected with the first electrostatic shielding line 11 and absorbed by the luminescent material in the static electricity protection structure 13, so that the risk of poor display caused by the static electricity entering the display area 101 is reduced, and the performance of the display panel is improved.
Referring to fig. 2 and 3, in one embodiment, the second electrostatic shielding line 12 and the first electrostatic shielding line 11 are located on the same side of the substrate 10 and in the non-display area 102, the second electrostatic shielding line 12 is disposed around the first electrostatic shielding line 11 in a closed manner, and the intervals between the first electrostatic shielding line 11 and the second electrostatic shielding line 12 are unequal.
Preferably, the first electrostatic shielding line 11 is spaced apart from the second electrostatic shielding line 12. The first electrostatic shielding line 11 and the second electrostatic shielding line 12 are located at a side of the electrostatic protection structure 13 close to the substrate 10.
Wherein the second electrostatic shielding wire 12 is used for absorbing external static electricity and discharging part of the absorbed external static electricity to the first electrostatic shielding wire 11. Specifically, when the external static electricity is strong, the second electrostatic shielding line 12 and the first electrostatic shielding line 11 disposed at an inner and outer interval are broken down, so that the second electrostatic shielding line 12 communicates with the first electrostatic shielding line 11, and then the static electricity is finally absorbed by the light emitting material in the static electricity protection structure 13.
Specifically, the first electrostatic shielding line 11 and the second electrostatic shielding line 12 are in a closed shape, for example, in a closed elliptical shape, a circular shape, or a polygonal shape, or other shapes known to those skilled in the art, and the polygonal shape may be a triangle, a quadrangle, a pentagon, or the like. The outline of the display area 101 is rectangular, and the shapes of the first electrostatic shielding line 11 and the second electrostatic shielding line 12 are preferably rectangular.
Referring to fig. 2 and 3, in one embodiment, the second electrostatic shielding line 12 includes a first tip portion 121 protruding toward a side near the display area 101, and a minimum distance between the first electrostatic shielding line 11 and the second electrostatic shielding line 12 is located at the first tip portion 121, so that a portion of external static electricity absorbed by the second electrostatic shielding line 12 is discharged to the first electrostatic shielding line 11 through the first tip portion 121.
In this embodiment, by providing the first tip 121 with the side of the display area 101 being the inner side and the side of the display area 101 being the outer side, when external static electricity is conducted to the second electrostatic shielding line 12, the first tip 121 will generate some accumulation of static electricity at the tip, so as to collect static electricity on the second electrostatic shielding line 12, further, the minimum distance between the second electrostatic shielding line 12 and the first electrostatic shielding line 11 is the position of the first tip 121, when static electricity on the second electrostatic shielding line 12 is stronger, the first tip 121 discharges, in other words, part of static electricity on the second electrostatic shielding line 12 is discharged to the first electrostatic shielding line 11 through the first tip 121, so as to increase the discharge speed of static electricity.
Specifically, the sides of the first electrostatic shielding wire 11 are arranged in a straight line, and the sides of the second electrostatic shielding wire 12 are arranged in a nonlinear line, specifically in a zigzag shape.
Preferably, the second electrostatic shielding wire 12 includes a plurality of first tip portions 121. Wherein the capability of the tip of the second electrostatic shielding wire 12 to accumulate and discharge static electricity is improved by the plurality of first tip portions 121 arranged at intervals on the second electrostatic shielding wire 12.
Specifically, the electrostatic protection structures 13 are in one-to-one correspondence in number and position with the first tip portions 121.
Preferably, there is overlap between the orthographic projection of the electrostatic protection structure 13 on the substrate 10 and the orthographic projection of the first tip portion 121 on the substrate 10. The electrostatic protection structure 13 covers at least part of the first tip 121, and is distributed at the position of the first tip 121 through the electrostatic protection structure 13, so that static electricity discharged from the first tip 121 to the first electrostatic shielding wire 11 is guided to the ground, and is absorbed in time through the electrostatic protection structure 13 at the corresponding position.
With continued reference to fig. 3, in one embodiment, the second electrostatic shielding line 12 includes a second tip portion 122 protruding toward a side away from the display area 101, the second tip portion 122 being for absorbing external static electricity. Wherein the second electrostatic shielding wire 12 absorbs external static electricity mainly through the convex second tip portion 122.
Preferably, the second electrostatic shield wire 12 includes a plurality of second tip portions 122. That is, the second electrostatic shielding wire 12 includes a plurality of inwardly convex serrated first tip portions 121 and a plurality of outwardly convex serrated second tip portions 122, which contributes to an improvement in electrostatic handling capacity.
Preferably, the first and second tip portions 121 and 122 are alternately arranged. The front projection of the electrostatic protection structure 13 onto the substrate 10 overlaps with the front projection of the second tip portion 122 onto the substrate 10. Wherein, the distribution of static electricity on the second electrostatic shielding wire 12 is more uniform by the first tip parts 121 and the second tip parts 122 which are alternately arranged.
Referring to fig. 4 and 5, in one embodiment, the display panel 100 further includes a first light-emitting composite layer 201 and a second light-emitting composite layer 131 disposed on the same layer, and a first metal layer 202 and a second metal layer 132 disposed on the same layer, where the first light-emitting composite layer 201 is located in the display area 101, the second light-emitting composite layer 131 is located in the non-display area 102, the first metal layer 202 is located between the first light-emitting composite layer 201 and the substrate 10 and is located in the display area 101, and the second metal layer 132 is located between the second light-emitting composite layer 131 and the substrate 10 and is located in the non-display area 102. The electrostatic protection structure 13 includes a second metal layer 132 and a second light emitting composite layer 131, where the second light emitting composite layer 131 is electrically connected to the first electrostatic shielding wire 11 through the second metal layer 132, so that the second light emitting composite layer 131 absorbs the static electricity on the first electrostatic shielding wire 11 through the second metal layer 132.
In the display panel 100 provided in this embodiment, the second metal layer 132 connects the first electrostatic shielding line 11 to the second light emitting composite layer 131, and the second light emitting composite layer 131 absorbs the static electricity on the first electrostatic shielding line 11, where the second light emitting composite layer 131 and the first light emitting composite layer 201 are arranged in the same layer, and the second metal layer 132 and the first metal layer 202 are arranged in the same layer, so that the static electricity protection structure 13 in the non-display area 102 is similar to the normal pixel structure in the display area 101, and no additional special process is required for manufacturing the static electricity protection structure 13, so that the manufacturing process is simple.
Preferably, the first metal layer 202 is used to form the source/drain of the transistor. Specifically, the first metal layer 202 is used to form a pair of source and drain electrodes, the second metal layer 132 is used to form one of the source or drain electrodes, the second metal layer 132 is electrically connected to only the first electrostatic shielding line 11 for conducting out static electricity, and the second metal layer 132 is not electrically connected to the second electrostatic shielding line 12.
Referring to fig. 6, in one embodiment, the display panel 100 further includes a first semiconductor layer 203 and a second semiconductor layer 133 disposed on the same layer, the first semiconductor layer 203 is located between the first metal layer 202 and the substrate 10 and is located in the display area 101, the second semiconductor layer 133 is located between the second metal layer 132 and the substrate 10 and is located in the non-display area 102, and the first electrostatic shielding line 11 and the second electrostatic shielding line 12 are located in the second semiconductor layer 133. The first semiconductor layer 203 and the second semiconductor layer 133 can be formed on the same layer, thereby simplifying the process.
Preferably, the first semiconductor layer 203 is used to form an active layer of a transistor. The first electrostatic shielding line 11 and the second electrostatic shielding line 12 may be active layers of transistors for the convenience of manufacturing. Illustratively, the first semiconductor layer 203 and the second semiconductor layer 133 may be made of polysilicon, which may be P-doped and channel-doped to form an active layer.
In some other embodiments, the first electrostatic shielding wire 11 and the second electrostatic shielding wire 12 may also be made of metal materials. The first electrostatic shielding line 11, the second electrostatic shielding line 12, or the electrostatic protection structure 13 may be manufactured using a separate process independent of the transistor. The first electrostatic shielding wire 11 may be directly connected to a zero potential to discharge static electricity, or a tip portion may be formed on the first electrostatic shielding wire 11 so that static electricity is easily discharged from the tip portion.
The display panel 100 further includes a first insulating layer 204 and a second insulating layer 134 disposed on the same layer, the first metal layer 202 is connected to the first semiconductor layer 203 through a via hole in the first insulating layer 204, and the second metal layer 132 is connected to the second semiconductor layer 133 through a via hole in the second insulating layer 134. Wherein insulation of the unconnected portion between the first metal layer 202 and the first semiconductor layer 203 is achieved by the first insulation layer 204, and insulation of the unconnected portion between the second metal layer 132 and the second semiconductor layer 133 is achieved by the second insulation layer 134.
Referring to fig. 8, in one embodiment, the first light emitting composite layer 201 includes a first light emitting material layer 2010 and a first anode 2011, the first anode 2011 is connected between the first light emitting material layer 2010 and the first metal layer 202, the second light emitting composite layer 131 includes a second light emitting material layer 1310 and a second anode 1311, the second anode 1311 is connected between the second light emitting material layer 1310 and the second metal layer 132, and the second light emitting material layer 1310 is used for absorbing static electricity on the first electrostatic shielding line 11. The static electricity on the first electrostatic shielding wire 11 is transferred to the second luminescent material layer 1310 through the second metal layer 132 and the second anode 1311 in sequence, and the second luminescent material layer 1310 can accommodate static charges, so that the static electricity on the first electrostatic shielding wire 11 is absorbed by the second luminescent material layer 1310.
Referring to fig. 9, in one embodiment, the display panel 100 further includes a third metal layer 207, the third metal layer 207 is at least located in the display area 101, and the third metal layer 207 and the first metal layer 202 are located on the same side of the substrate 10. Optionally, a third metal layer 207 may also be disposed in the non-display area 102, as desired.
Preferably, the third metal layer 207 is used to form the gate of the transistor. Accordingly, the first semiconductor layer 203 may include a source contact region, a channel region, and a drain contact region, which are sequentially connected.
Referring to fig. 10, in one embodiment, the display panel 100 further includes a third insulating layer 205 and a fourth insulating layer 135 disposed on the same layer, the third insulating layer 205 is located between the third metal layer 207 and the substrate 10, and the fourth insulating layer 135 is located between the second metal layer 132 and the substrate 10. The display panel 100 further includes a fifth insulating layer 206 and a sixth insulating layer 136 disposed on the same layer, the fifth insulating layer 206 is disposed between the first light emitting composite layer 201 and the first metal layer 202, and the sixth insulating layer 136 is disposed between the second light emitting composite layer 131 and the second metal layer 132. The display panel 100 further includes a first planarization layer 208 and a second planarization layer 138 disposed on the same layer, the first planarization layer 208 being disposed between the first light emitting composite layer 201 and the fifth insulating layer 206, and the second planarization layer 138 being disposed between the second light emitting composite layer 131 and the sixth insulating layer 136.
Preferably, the fourth insulating layer 135 is at least partially located between the first electrostatic shielding line 11 and the second electrostatic shielding line 12. Wherein insulation between the first electrostatic shielding line 11 and the second electrostatic shielding line 12 and insulation between the second metal layer 132 and the substrate 10 can be simultaneously achieved by the fourth insulation layer 135, and insulation between the third metal layer 207 and the substrate 10 is achieved by the third insulation layer 205, specifically, the third insulation layer 205 also covers the first semiconductor layer 203, thereby achieving insulation between the first semiconductor layer 203 and the third metal layer 207. Interlayer insulation between the first light emitting composite layer 201 and the first metal layer 202 is achieved by the fifth insulating layer 206, and interlayer insulation between the second light emitting composite layer 131 and the second metal layer 132 is achieved by the sixth insulating layer 136.
Based on the same inventive concept, another embodiment of the present application also discloses a display device including the display panel 100 of the above embodiment. Further, the display device comprises a mobile phone, VR equipment, a computer, a television, a vehicle-mounted display device and the like.
In the display device provided in this embodiment, the display panel 100 is configured to close the first electrostatic shielding line 11 in the non-display area 102, so that static electricity is conducted on the first electrostatic shielding line 11, and the static electricity is prevented from being transferred to the display area 101, and the static electricity can be transferred to the static electricity protection structure 13 electrically connected with the first electrostatic shielding line 11 and absorbed by the light emitting material in the static electricity protection structure 13, so that the risk that static electricity enters the display area 101 to cause poor display is reduced, and the performance of the display panel is improved.
While the application has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description.
It should be noted that the foregoing describes some embodiments of the present application. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments described above and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, and the like, which are within the spirit and principles of the embodiments of the application, are intended to be included within the scope of the application.
Claims (10)
1. A display panel, comprising:
A substrate including a display region and a non-display region, the non-display region disposed around the display region;
the first electrostatic shielding line is positioned on one side of the substrate and positioned in the non-display area, and the first electrostatic shielding line is arranged in a closed mode around the display area;
The electrostatic protection structure is positioned on the same side of the substrate as the first electrostatic shielding wire and is positioned in the non-display area, the electrostatic protection structure is electrically connected with the first electrostatic shielding wire, the electrostatic protection structure comprises a second luminescent material layer for absorbing static electricity, and the second luminescent material layer is positioned in the non-display area.
2. The display panel according to claim 1, the display panel is characterized in that the display panel further comprises:
A second electrostatic shielding line which is positioned on the same side of the substrate as the first electrostatic shielding line and is positioned in the non-display area, wherein the second electrostatic shielding line is arranged in a closed mode around the first electrostatic shielding line, and the interval between the first electrostatic shielding line and the second electrostatic shielding line is unequal;
preferably, the first electrostatic shielding line and the second electrostatic shielding line are arranged at intervals;
Preferably, the first electrostatic shielding line and the second electrostatic shielding line are located at one side of the electrostatic protection structure, which is close to the substrate.
3. The display panel according to claim 2, wherein the second electrostatic shield line includes a first tip portion protruding toward a side close to the display region, and a minimum distance between the first electrostatic shield line and the second electrostatic shield line is located at the first tip portion;
Preferably, the second electrostatic shielding wire includes a plurality of the first tip portions;
preferably, there is an overlap between the orthographic projection of the electrostatic protection structure on the substrate and the orthographic projection of the first tip portion on the substrate.
4. The display panel according to claim 3, wherein,
The second electrostatic shielding line comprises a second tip part protruding towards one side far away from the display area, and the second tip part is used for absorbing external static electricity;
preferably, the second electrostatic shielding wire includes a plurality of the second tip portions;
Preferably, the first tip portions and the second tip portions are alternately arranged;
Preferably, there is an overlap between the orthographic projection of the electrostatic protection structure on the substrate and the orthographic projection of the second tip portion on the substrate.
5. The display panel according to claim 2, the display panel is characterized in that the display panel further comprises:
the first light-emitting composite layer and the second light-emitting composite layer are arranged on the same layer, the first light-emitting composite layer is positioned in the display area, and the second light-emitting composite layer is positioned in the non-display area;
The first metal layer is positioned between the first light-emitting composite layer and the substrate and is positioned in the display area, and the second metal layer is positioned between the second light-emitting composite layer and the substrate and is positioned in the non-display area;
The electrostatic protection structure comprises the second metal layer and the second light-emitting composite layer, and the second light-emitting composite layer is electrically connected with the first electrostatic shielding wire through the second metal layer;
Preferably, the first metal layer is used for forming source/drain electrodes of the transistor.
6. The display panel according to claim 5, the display panel is characterized in that the display panel further comprises:
The first semiconductor layer is positioned between the first metal layer and the substrate and is positioned in the display area, and the second semiconductor layer is positioned between the second metal layer and the substrate and is positioned in the non-display area;
the first electrostatic shielding line and the second electrostatic shielding line are positioned on the second semiconductor layer;
Preferably, the first semiconductor layer is used for forming an active layer of a transistor;
preferably, the display panel further includes a first insulating layer and a second insulating layer disposed on the same layer, the first metal layer is connected to the first semiconductor layer through a via hole in the first insulating layer, and the second metal layer is connected to the second semiconductor layer through a via hole in the second insulating layer.
7. The display panel of claim 5, wherein the display panel comprises,
The first luminescent composite layer comprises a first luminescent material layer and a first anode, and the first anode is connected between the first luminescent material layer and the first metal layer;
the second luminescent composite layer includes the second luminescent material layer and a second anode connected between the second luminescent material layer and the second metal layer.
8. The display panel according to claim 5, the display panel is characterized in that the display panel further comprises:
The third metal layer is at least positioned in the display area, and the third metal layer and the first metal layer are positioned on the same side of the substrate;
Preferably, the third metal layer is used to form a gate of the transistor.
9. The display panel according to claim 8, the display panel is characterized in that the display panel further comprises:
the third insulating layer is positioned between the third metal layer and the substrate, and the fourth insulating layer is positioned between the second metal layer and the substrate;
A fifth insulating layer and a sixth insulating layer which are arranged on the same layer, wherein the fifth insulating layer is positioned between the first light-emitting composite layer and the first metal layer, and the sixth insulating layer is positioned between the second light-emitting composite layer and the second metal layer;
A first planarization layer and a second planarization layer, which are arranged on the same layer, wherein the first planarization layer is positioned between the first light-emitting composite layer and the fifth insulating layer, and the second planarization layer is positioned between the second light-emitting composite layer and the sixth insulating layer;
Preferably, the fourth insulating layer is at least partially located between the first electrostatic shielding line and the second electrostatic shielding line.
10. A display device comprising a display panel according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411603955.6A CN119546096A (en) | 2024-11-11 | 2024-11-11 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411603955.6A CN119546096A (en) | 2024-11-11 | 2024-11-11 | Display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN119546096A true CN119546096A (en) | 2025-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411603955.6A Pending CN119546096A (en) | 2024-11-11 | 2024-11-11 | Display panel and display device |
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| CN (1) | CN119546096A (en) |
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