CN112652245A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN112652245A CN112652245A CN202011532940.7A CN202011532940A CN112652245A CN 112652245 A CN112652245 A CN 112652245A CN 202011532940 A CN202011532940 A CN 202011532940A CN 112652245 A CN112652245 A CN 112652245A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
Abstract
The invention discloses a display panel and a display device, wherein the display panel is provided with a display area, a chip binding area and a bending area, the chip binding area is bent to the backlight side of the display panel through the bending area, and the display panel comprises: a substrate; the first routing wires extend along a first direction on the substrate and are arranged at intervals in a second direction, each first routing wire comprises a main body part and an extension part which are sequentially distributed in the first direction, the main body part is positioned in the bending area, the extension parts are formed by extending the main body parts to a chip binding area and a display area by preset distances, and the second direction is intersected with the first direction; the second wire is arranged in the chip binding area and the display area and is electrically connected with the extension parts of the first wire, which are positioned in the chip binding area and the display area, respectively, and the second wire comprises a corrosion-resistant conductive layer; and the inorganic protective layer at least covers the second wire. The second wiring comprises the corrosion-resistant conductive layer and the inorganic protective layer covers the second wiring layer, so that water vapor corrosion is avoided, and the reliability and the production yield of the display panel are improved.
Description
Technical Field
The invention belongs to the technical field of electronic products, and particularly relates to a display panel and a display device.
Background
With the continuous development of science and technology, smart phones are more and more widely applied to human daily life, and display screens are more important as important components of smart phones. The flexible screen is a mainstream product in the future display market, and the verification of the reliability of the flexible screen product is an important component for checking the quality of the display screen.
At present, the reliability verification of a non-display bending area of a flexible screen body has a great problem, namely, under the limit condition of high-temperature and high-humidity operation, the problem that metal wires at the boundary of a bending area are easy to corrode or crack is solved, the reliability of a display panel is influenced, and the production yield of a display panel product is influenced.
Therefore, a new display panel and a new display device are needed.
Disclosure of Invention
The embodiment of the invention provides a display panel and a display device, wherein the second routing comprises a corrosion-resistant conductive layer and an inorganic protective layer covers the second routing layer, so that water vapor corrosion is avoided, and the reliability and the production yield of the display panel are improved.
An embodiment of the present invention provides a display panel having a display region, a chip bonding region, and a bending region, where the chip bonding region is bent to a backlight side of the display panel through the bending region, and the display panel includes: a substrate; the first routing wires extend along a first direction on the substrate and are arranged at intervals in a second direction, each first routing wire comprises a main body part and an extension part which are sequentially distributed in the first direction, the main body part is positioned in the bending area, the extension parts are formed by the main body parts respectively extending for a preset distance to the chip binding area and the display area, and the second direction is intersected with the first direction; the second routing is arranged in the chip binding area and the display area and is electrically connected with the extension parts of the first routing, which are positioned in the chip binding area and the display area, respectively, and the second routing comprises a corrosion-resistant conductive layer; and the inorganic protective layer at least covers the second wire.
According to an aspect of the invention, the first trace and the second trace are stacked along a film stacking direction of the display panel, and the first trace is disposed on the second trace away from the substrate side; the inorganic protective layer is arranged between the first wire and the second wire, and the first wire and the second wire are electrically connected through a via hole arranged in the inorganic protective layer.
According to one aspect of the invention, the via has a diameter of 2 μm to 3 μm.
According to an aspect of the present invention, the second trace includes first sub-traces and second sub-traces disposed in different layers, the first sub-traces and the second sub-traces are alternately distributed along the second direction, and each of the first sub-traces and the second sub-trace is electrically connected to a different first trace.
According to an aspect of the invention, the organic passivation layer at least covers the extension portion of the first trace, and an orthographic projection of the organic passivation layer on the substrate covers orthographic projections of the first trace and the second trace on the substrate.
According to an aspect of the present invention, the organic protective layer is a single-layer organic layer structure; or the organic protective layer comprises a planarization material layer, a pixel defining material layer and a support part material layer which are arranged along the laminating direction of the display panel film layers; preferably, the organic protective layer is a polyimide layer.
According to an aspect of the present invention, the inorganic protective layer has a single inorganic layer structure; or the inorganic protective layer comprises a first inorganic layer and a second inorganic layer arranged along the lamination direction of the display panel film layer, and the first inorganic layer and the second inorganic layer are respectively one of a silicon oxide layer or a silicon nitride layer.
According to one aspect of the invention, the first trace is a titanium-aluminum-titanium metal laminate and the second trace is a molybdenum metal layer.
According to an aspect of the invention, the touch control device further includes a touch control inorganic layer, the touch control inorganic layer is disposed on a side of the inorganic protective layer away from the substrate, and an orthographic projection of the touch control inorganic layer on the substrate at least covers the extension portion and an orthographic projection of the second trace on the substrate.
In another aspect, an embodiment of the present invention further provides a display device, including: the display panel is the display panel in any one of the above embodiments.
Compared with the prior art, the display panel provided by the embodiment of the invention has the display area, the chip binding area and the bending area. The chip binding area is bent to the backlight side of the display panel through the bending area and is mainly used for binding components such as a driving chip and a flexible circuit board of the display panel. The display panel comprises a substrate, a first wire, a second wire and an inorganic protective layer, wherein the first wire comprises a main body part arranged in a bending area and an extension part formed by the main body part extending a preset distance to the chip binding area and the display area respectively, namely the extension part is arranged on the boundary of the display area and the bending area and the boundary of the chip binding area and the bending area, the second wire arranged in the chip binding area and the display area is electrically connected with the extension part of the first wire positioned in the chip binding area and the display area, and the second wire comprises a corrosion-resistant conductive layer and has better water vapor corrosion resistance. Meanwhile, the inorganic protective layer covers the second wiring layer to isolate water vapor, so that the situation that wiring is corroded at the boundary of the display area and the bending area and the boundary of the chip binding area and the bending area under the high-temperature and high-humidity condition can be effectively avoided, signal disconnection or adjacent signal disconnection caused by wiring corrosion is avoided, and the reliability and the production yield of the display panel are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 2 is a schematic layout diagram of a first trace and a second trace according to an embodiment of the present invention;
FIG. 3 is a diagram of a film layer structure at D in FIG. 2;
fig. 4 is another film layer structure diagram at D in fig. 2.
In the drawings:
1-a substrate; 2-a first trace; 21-a main body portion; 22-an extension; 3-second routing; 31-a first sub-trace; 32-a second sub-trace; 4-an inorganic protective layer; 41-a first inorganic layer; 42-a second inorganic layer; 5-an organic protective layer; 51-a layer of planarizing material; 52-a layer of pixel defining material; 53-a layer of support material; 6-touch inorganic layer; 7-a third inorganic layer; AA-display area; b-a bending zone; c-chip binding area; y-a first direction; x-a second direction.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
For better understanding of the present invention, the following description is made in detail with reference to fig. 1 to 4 for a display panel and a display device according to an embodiment of the present invention.
Referring to fig. 1 to 3, an embodiment of the invention provides a display panel, which has a display area AA, a chip bonding area C and a bending area B, wherein the chip bonding area C is bent to a backlight side of the display panel through the bending area B, and the display panel includes: a substrate 1; the first routing wires 2 extend along a first direction Y on the substrate 1 and are arranged at intervals in a second direction X, each first routing wire 2 comprises a main body portion 21 and an extension portion 22 which are sequentially distributed in the first direction Y, the main body portion 21 is located in the bending area B, the extension portions 22 are formed by the main body portion 21 extending for a preset distance to the chip binding area C and the display area AA respectively, and the second direction X is intersected with the first direction Y; the second wire 3 is arranged in the chip binding area C and the display area AA and is respectively electrically connected with the extension parts 22 of the first wire 2, which are positioned in the chip binding area C and the display area AA, and the second wire 3 comprises a corrosion-resistant conductive layer; and the inorganic protective layer 4 at least covers the second wire 3.
The display panel provided by the embodiment of the invention is provided with a display area AA, a chip binding area C and a bending area B. The chip binding region C is bent to the backlight side of the display panel through the bending region B and is mainly used for binding components such as a driving chip and a flexible circuit board of the display panel. The display panel comprises a substrate 1, a first wire 2, a second wire 3 and an inorganic protective layer 4, wherein the first wire 2 comprises a main body part 21 arranged in a bending area B and an extension part 22 formed by extending the main body part 21 to a chip binding area C and a display area AA by a preset distance, namely, the extension part 22 is arranged on the boundary of the display area AA and the bending area B and the boundary of the chip binding area C and the bending area B, the second wire 3 arranged in the chip binding area C and the display area AA is electrically connected with the extension part 22 of the first wire 2 arranged in the chip binding area C and the display area AA, and the second wire 3 comprises a corrosion-resistant conductive layer and has better water vapor corrosion resistance. Meanwhile, the inorganic protective layer 4 covers the second wiring layer 3 to isolate water vapor, so that the situation that the wiring is corroded at the boundary of the display area AA and the bending area B and the boundary of the chip binding area C and the bending area B under the high-temperature and high-humidity condition can be effectively avoided, signal disconnection or adjacent signal disconnection caused by wiring corrosion is avoided, and the reliability and the production yield of the display panel are improved.
It should be noted that the display area AA of the display panel is an area for light emitting display, which is located on the light emitting side of the display panel, the bending area B is used for setting a wire connecting the display area AA and the chip binding area C, and the first wire 2 and the second wire 3 are used for transmitting a driving signal sent by a chip located in the chip binding area C to a device in the display area AA, so as to implement normal display of the display panel. Meanwhile, in order to avoid influencing the normal display of the display area AA, the frame of the display panel is reduced, the screen occupation ratio is improved, and the chip binding area C can be bent to the backlight side of the display panel through the bending area B.
Each first trace 2 includes a main portion 21 and an extending portion 22 that are sequentially distributed in the first direction Y, where the sequential distribution refers to that the main portion 21 and the extending portion 22 are connected without interruption, that is, the main portion 21 and the extending portion 22 refer to only portions of the first trace 2 located at different positions, and the size materials are not different.
It can be understood that the inorganic material has better water vapor blocking effect than the organic material, and is not easy to be invaded by water vapor, so the second trace 3 is covered with the inorganic protective layer 4 to protect the trace.
In some optional embodiments, the first trace 2 and the second trace 3 are stacked along a film stacking direction of the display panel, and the first trace 2 is disposed on the side of the second trace 3 away from the substrate 1; an inorganic protective layer 4 is arranged between the first wire 2 and the second wire 3, and the first wire 2 and the second wire 3 are electrically connected through a via hole arranged on the inorganic protective layer 4.
It can be understood that, because first line 2 and second line 3 are walked and are usually made by the metal of different nature, receive the technology restriction, first line 2 and second are walked and need the different layer setting, the shaping respectively, it is specific, the shaping second is walked line 3 on basement 1 earlier, later on walk line 3 at the second and cover inorganic protective layer 4, deviate from basement 1 one side shaping first line 2 again at inorganic protective layer 4, and through set up the via hole on inorganic protective layer 4 and walk 3 electricity connections of line second, first line 2 is located second and is walked line 3 and keep away from basement 1 side, second is walked line 3 and is established in the bottom, because second is walked line 3 and is adopted corrosion-resistant conducting layer, can avoid steam to sink to walk line 3 and corrode near basement 1, display panel's reliability has been improved. Optionally, a third inorganic layer 7 is disposed between the substrate 1 and the second trace 3 to block the intrusion of moisture from below the substrate 1.
In order to prevent water vapor from penetrating into the film layer below the inorganic protective layer 4 through the via holes formed in the inorganic protective layer 4, in some alternative embodiments, the diameter of the via holes is 2 μm to 3 μm. Specifically, the area of the opening of the inorganic protective layer 4 is reduced by using smaller through holes as much as possible, and then the area through which water vapor can pass is reduced, so that the probability of water vapor invasion is reduced. Specifically, a portion of the first trace 2 extends into the via to be electrically connected with the second trace 3 located below the inorganic protective layer 4.
In order to avoid the problems of short circuit or open circuit caused by the mutual influence of the adjacent second traces 3 under the influence of water vapor, in some optional embodiments, the second traces 3 include first sub traces 31 and second sub traces 32 that are disposed in different layers, the first sub traces 31 and the second sub traces 32 are alternately distributed along the second direction X, and each of the first sub traces 31 and the second sub traces 32 is electrically connected to a different first trace 2.
It should be noted that the second trace 3 includes a first sub-trace 31 and a second sub-trace 32 that are disposed in different layers, where the different layer is specifically that the first sub-trace 31 and the second sub-trace 32 are located on different film layers in the stacking direction of the display panel, so as to reduce the probability of short circuit occurring between the first sub-trace 31 and the second sub-trace 32, the first sub-trace 31 and the second sub-trace 32 are alternately distributed along the second direction X, that is, the first sub-trace 31, the second sub-trace 32, and the first sub-trace 31 are continuously and alternately distributed along the second direction X, and each first sub-trace 31 and each second sub-trace 32 are electrically connected to different first traces 2, that is, the extension portions 22 of two adjacent first traces 2 are respectively connected to the first sub-trace 31 and the second sub-trace 32, so as to avoid that the adjacent lines are corroded by the water vapor trace, which affects the stability of the display panel.
Optionally, an array device layer (not shown in the figure) covers the substrate 1 of the display panel, the array device layer includes a gate metal layer, a capacitor metal layer and a source drain metal layer which are insulated from each other, specifically, the first sub-trace 31 and the second sub-trace 32 of the second trace 3 may be respectively disposed on the same layer as the gate metal layer or the capacitor metal layer, and the first trace 2 may be disposed on the same layer as the source drain metal layer, that is, the first sub-trace 31 and the second sub-trace 32 of the second trace 3 may be formed on the same process as the gate metal layer or the capacitor metal layer, and the first trace 2 may be formed on the same process as the source drain metal layer, so as to improve the production efficiency and reduce the production cost.
In some optional embodiments, in order to improve the blocking effect on the moisture, the inorganic protective layer 4 is a single-layer inorganic layer structure, and only needs to cover the second trace 3; of course, the inorganic protective layer 4 may also have a multilayer structure, and specifically, the inorganic protective layer 4 includes a first inorganic layer 41 and a second inorganic layer 42 disposed along the lamination direction of the display panel film layers, and each of the first inorganic layer 41 and the second inorganic layer 42 is one of a silicon oxide layer and a silicon nitride layer.
It should be noted that, when the multilayer structure includes the first inorganic layer 41 and the second inorganic layer 42 stacked along the stacking direction of the display panel film layers, the first inorganic layer 41 may be covered on the first sub-trace 31, and the second inorganic layer 42 is covered on the second sub-trace 32 to respectively protect the first sub-trace 31 and the second sub-trace 32, optionally, the first inorganic layer 41 and the second inorganic layer 42 are both silicon oxide layers or both silicon nitride layers, which facilitates the process formation, and of course, according to actual needs, the first inorganic layer 41 and the second inorganic layer 42 may also be made of different materials, for example, the first inorganic layer 41 is a silicon oxide layer, and the second inorganic layer 42 is a silicon nitride layer.
In order to protect the first trace 2 from being corroded by water vapor, in some optional embodiments, the display panel provided in this embodiment further includes an organic protection layer 5, the organic protection layer 5 at least covers the extension portion 22 of the first trace 2, and an orthographic projection of the organic protection layer 5 on the substrate 1 covers an orthographic projection of the first trace 2 and an orthographic projection of the second trace 3 on the substrate 1.
It should be noted that the organic protection layer 5 may be formed separately, or may be formed together with a film layer, such as a planarization layer, of the display area AA to reduce the process cost, the organic protection layer 5 at least covers the extension portion 22 of the first trace 2, the extension portion 22 is disposed at the boundary between the display area AA and the bending area B, and the boundary between the chip bonding area C and the bending area B, the organic protection layer 5 blocks water vapor from entering from the boundary, so as to prevent the water vapor from entering to corrode the extension portion 22 and the second trace 3 electrically connected to the extension portion 22 through the via hole. Meanwhile, the orthographic projection of the organic protection layer 5 on the substrate 1 covers the orthographic projection of the first wiring 2 and the second wiring 3 on the substrate 1, namely the organic protection layer 5 is arranged on the side, deviating from the substrate 1, of the first wiring 2 and the second wiring 3, and water vapor is prevented from deviating from the side, deviating from the substrate 1, of the organic protection layer 5.
Referring to fig. 4, the organic passivation layer 5 is a single organic layer structure; or in order to further improve the blocking effect of the organic protection layer 5, the organic protection layer 5 adopts a multilayer film structure, and specifically, the organic protection layer 5 includes a planarization material layer 51, a pixel defining material layer 52 and a support material layer 53 arranged along the lamination direction of the display panel films; optionally, the organic protective layer 5 is a polyimide layer.
It should be noted that the planarization material layer 51, the pixel defining material layer 52 and the supporting portion material layer 53 are formed by the same process as the planarization layer, the pixel defining layer and the supporting portion of the display area AA, respectively, so as to reduce the process cost and save the material. The materials of the planarization material layer 51, the pixel defining material layer 52 and the support material layer 53 may be an organic glue material and a polyimide organic material, respectively.
In some alternative embodiments, the first trace 2 is a titanium-aluminum-titanium metal laminate, and the corrosion-resistant conductive layer of the second trace 3 is a molybdenum metal layer. It should be noted that the titanium-aluminum-titanium metal laminate has good bendability, is convenient to be arranged in the bending region B for bending, and is not easy to break, and the like, and the molybdenum metal has stable property and good corrosion resistance, is not easy to react with water vapor, and is not easy to be corroded and broken by the water vapor, so that the second wire 3 is made of the molybdenum metal layer. Of course, the materials of the first trace 2 and the second trace 3 are not limited to the above materials, and any materials can be used as long as the materials can meet the requirement.
In some optional embodiments, the display panel provided in the embodiments of the present invention further includes a touch inorganic layer 6, the touch inorganic layer 6 is disposed on a side of the inorganic protective layer 4 away from the substrate 1, and an orthogonal projection of the touch inorganic layer 6 on the substrate 1 at least covers an orthogonal projection of the extension 22 and the second trace 3 on the substrate 1.
It should be noted that, in order to reduce the thickness of the film layer of the display panel in the bending area B and avoid the problem that the film layer of the bending area B is broken when bending, the touch inorganic layer 6 is only disposed in the display area AA and the chip bonding area C, that is, the orthographic projection of the touch inorganic layer 6 on the substrate 1 covers the extension portion 22 and the orthographic projection of the second trace 3 on the substrate 1, the touch inorganic layer 6 in the display area AA is mainly used for insulating the touch driving electrode and the touch sensing electrode (not shown in the figure) in the display area AA, and the chip bonding area C mainly plays a role in blocking water vapor.
An embodiment of the present invention further provides a display device, including: the display panel is the display panel in any one of the above embodiments.
It is understood that the display panel may be applied to a display device, which may be, for example, a mobile terminal, a tablet computer, a computer monitor, a television, a wearable device, an information inquiry machine, or the like. The display device comprises the display panel in any embodiment of the invention, and the technical principle and the generated effect are similar, so that the detailed description is omitted.
As will be apparent to those skilled in the art, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.
It should also be noted that the exemplary embodiments mentioned in this patent describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
Claims (10)
1. A display panel having a display region, a chip bonding region and a bending region, the chip bonding region being bent to a backlight side of the display panel through the bending region, the display panel comprising:
a substrate;
the first routing wires extend along a first direction on the substrate and are arranged at intervals in a second direction, each first routing wire comprises a main body part and an extension part which are sequentially distributed in the first direction, the main body part is positioned in the bending area, the extension parts are formed by the main body parts respectively extending for a preset distance to the chip binding area and the display area, and the second direction is intersected with the first direction;
the second routing is arranged in the chip binding area and the display area and is electrically connected with the extension parts of the first routing, which are positioned in the chip binding area and the display area, respectively, and the second routing comprises a corrosion-resistant conductive layer;
and the inorganic protective layer at least covers the second wire.
2. The display panel according to claim 1, wherein the first trace and the second trace are stacked along a film stacking direction of the display panel, and the first trace is disposed on the second trace away from the substrate side;
the inorganic protective layer is arranged between the first wire and the second wire, and the first wire and the second wire are electrically connected through a via hole arranged in the inorganic protective layer.
3. The display panel according to claim 2, wherein the via hole has a diameter of 2 μm to 3 μm.
4. The display panel according to claim 1, wherein the second trace comprises first sub-traces and second sub-traces arranged in different layers, the first sub-traces and the second sub-traces are alternately distributed along the second direction, and each of the first sub-traces and the second sub-trace is electrically connected to a different first trace.
5. The display panel according to claim 1, further comprising an organic protection layer, wherein the organic protection layer covers at least the extension portion of the first trace, and an orthographic projection of the organic protection layer on the substrate covers orthographic projections of the first trace and the second trace on the substrate.
6. The display panel according to claim 5, wherein the organic protective layer has a single-layer organic layer structure;
or the organic protective layer comprises a planarization material layer, a pixel defining material layer and a support part material layer which are arranged along the laminating direction of the display panel film layers;
preferably, the organic protective layer is a polyimide layer.
7. The display panel according to claim 1, wherein the inorganic protective layer has a single-layer inorganic layer structure;
or the inorganic protective layer comprises a first inorganic layer and a second inorganic layer arranged along the lamination direction of the display panel film layer, and the first inorganic layer and the second inorganic layer are respectively one of a silicon oxide layer or a silicon nitride layer.
8. The display panel according to claim 1, wherein the first trace is a titanium-aluminum-titanium metal stack layer, and the second trace is a molybdenum metal layer.
9. The display panel of claim 1, further comprising a touch inorganic layer, wherein the touch inorganic layer is disposed on a side of the inorganic protective layer away from the substrate, and an orthogonal projection of the touch inorganic layer on the substrate at least covers an orthogonal projection of the extension and the second trace on the substrate.
10. A display device, comprising:
a display panel according to any one of claims 1 to 9.
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| CN202011532940.7A CN112652245A (en) | 2020-12-22 | 2020-12-22 | Display panel and display device |
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| CN202011532940.7A CN112652245A (en) | 2020-12-22 | 2020-12-22 | Display panel and display device |
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| CN112652245A true CN112652245A (en) | 2021-04-13 |
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| CN113363304A (en) * | 2021-06-03 | 2021-09-07 | 武汉天马微电子有限公司 | Display panel and display device |
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| CN114049843A (en) * | 2021-11-17 | 2022-02-15 | 合肥维信诺科技有限公司 | Display module and display device |
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|---|---|---|---|---|
| CN113363304A (en) * | 2021-06-03 | 2021-09-07 | 武汉天马微电子有限公司 | Display panel and display device |
| CN113363304B (en) * | 2021-06-03 | 2022-09-13 | 武汉天马微电子有限公司 | Display panel and display device |
| US11588007B2 (en) | 2021-06-03 | 2023-02-21 | Wuhan Tianma Micro-Electronics Co., Ltd. | Display panel and display device |
| CN114049843A (en) * | 2021-11-17 | 2022-02-15 | 合肥维信诺科技有限公司 | Display module and display device |
| CN113851520A (en) * | 2021-11-29 | 2021-12-28 | 荣耀终端有限公司 | Display panel, manufacturing method thereof and terminal device |
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