CN115497994A

CN115497994A - Display panel and display device

Info

Publication number: CN115497994A
Application number: CN202211048946.6A
Authority: CN
Inventors: 何水; 杨金金; 钟健升; 钟巧灵
Original assignee: Xiamen Tianma Display Technology Co Ltd
Current assignee: Xiamen Tianma Display Technology Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-20

Abstract

The application relates to a display panel and display device, display panel includes display area and non-display area, non-display area is including the trompil district, at least part of display area is around the trompil district, display panel includes the substrate, the array layer, luminescent layer and static are derived the layer, the array layer sets up on the substrate, the luminescent layer sets up in the one side that the substrate was kept away from to the array layer, the luminescent layer includes first electrode and second electrode, the second electrode is connected with the array layer, first electrode extends to non-display area by the display area, static is derived the layer and is set up in non-display area and lie in between substrate and the first electrode, the one end and the first electrode of static derivation layer are connected and the other end extends to the trompil district. The display panel and the display device provided by the embodiment of the application can fully dissipate static electricity generated at the hole area, and avoid abnormal display at the hole area.

Description

Display panel and display device

Technical Field

The present application relates to the field of display technologies, and in particular, to a display panel and a display device.

Background

Display panels such as Organic Light-Emitting Diode (OLED) displays are becoming the mainstream of display technologies due to their advantages of being ultra-thin, light-weight, non-radiative, and stable in performance.

For the opening area (AA Hole area) of the display panel, static electricity enters the substrate of the display panel through the opening area, and further causes electrical interference to a driving circuit on the substrate of the display area, and finally, the problem of abnormal display around the opening area occurs.

Although part of static electricity is also led out from the electrode layer at the opening region, the static electricity dissipation capability is weak due to the isolation of the electrode layer, and the static electricity can directly enter the substrate under the condition of large static electricity, which adversely affects the display.

Disclosure of Invention

The embodiment of the application provides a display panel and a display device, can fully dissipate static electricity generated at a perforated area, and avoid abnormal display at the perforated area.

In one aspect, a display panel is provided according to an embodiment of the present application, including a display area and a non-display area, the non-display area includes an open area, at least a portion of the display area surrounds the open area, the display panel includes a substrate, an array layer, a light-emitting layer, and an electrostatic discharge layer, the array layer is disposed on the substrate, the light-emitting layer is disposed on a side of the array layer away from the substrate, the light-emitting layer includes a first electrode and a second electrode, the second electrode is connected to the array layer, the first electrode extends from the display area to the non-display area, the electrostatic discharge layer is disposed in the non-display area and between the substrate and the first electrode, one end of the electrostatic discharge layer is connected to the first electrode, and the other end extends to the open area.

In another aspect, a display device is provided according to an embodiment of the present application, including the display panel as described above.

The embodiment of the application provides a display panel and display device, derive the layer through setting up static between the substrate in non-display area and first electrode, and derive the both ends of layer with the trompil district respectively with the first electrode connection, can switch on the static of trompil district department to first electrode department and derive from this, form new static dissipation passageway, under the prerequisite of first electrode dissipation part static, further derive too big static through the static derivation layer, the static derivation ability of trompil district department has been improved, has better security performance, the static of having avoided trompil district department is too big and flow to the substrate and cause the demonstration unusually, the display effect has been improved, static derivation layer is located non-display area simultaneously, the interference to the display area has been avoided, provide reliable guarantee for normal demonstration.

Drawings

Features, advantages and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic sectional view of a display panel according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a display panel according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of another display panel according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of another display panel according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a display area of a display panel according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of another display panel according to an embodiment of the present disclosure;

FIG. 7 is a schematic diagram of a display panel according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of another display panel according to an embodiment of the present application.

Reference numerals are as follows:

100-a display panel; AA-display area; NA-non-display area; NA 1-first partition area;

NA 2-second partition region; NA 3-open area;

1-a substrate; 2-an array layer; 21-an active layer; 22-an insulating layer; 23-a first drive layer; 24-a second drive layer; 25-source drain metal layer; 26-a metal cushion layer; 27-a via hole;

3-a light emitting layer; 31-a first electrode; 32-a second electrode; 33-pixel openings;

4-an electrostatic extraction layer; 5-opening a hole section;

6-packaging layer; 61-a first inorganic layer; 62-a second inorganic layer; 63-organic layer;

7-a barrier; 8-a partition; 81-first partition; 82-a second partition; 9-a buffer layer; 10-planarization layer.

In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

Detailed Description

Features and exemplary embodiments of various aspects of the present application 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 application. It will be apparent, however, to one skilled in the art that the present application 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 application by illustrating examples thereof. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present application; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The following description will be given with reference to the orientation words shown in the drawings, and the present invention is not limited to the specific structures of the display panel and the display device. In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected. The specific meaning of the above terms in this application can be understood as appropriate by one of ordinary skill in the art.

In an existing organic light emitting diode display (OLED) product, a display panel generally has an opening region formed by laser cutting, for example, a camera opening region on a mobile phone screen, and a metal isolation column needs to be arranged between the opening region and the display region to play a role in isolating, so as to prevent water vapor in the opening region from entering the display region and causing display problems.

After the test, the applicant finds that in a copper bar friction or electrostatic discharge (ESD) test, generated Static electricity enters the substrate through a cut section of the opening region, and causes electrical interference to a driving circuit on the substrate of the display region, and finally causes abnormal display of the display region at the periphery of the opening region.

Further research by the applicant discovers that when static electricity generated in an experiment is transmitted along a cutting section of an opening area, a part of the static electricity can be led out by an electrode layer of a path, the electrode layer can form a dissipation channel of the part of the static electricity, but because the metal isolation columns are separated from the electrode layer, the static electricity leading-out capability is limited, when the generated static electricity is too large, the electrode layer cannot completely dissipate the static electricity, and a large amount of static electricity still enters a substrate to cause abnormal display.

For better understanding of the present application, the display panel and the display device of the embodiment of the present application are described in detail below with reference to fig. 1 to 8.

Referring to fig. 1 to 5, an embodiment of the present invention provides a display panel 100, which includes a display area AA and a non-display area NA, the non-display area NA includes an opening area NA3, at least a portion of the display area AA surrounds the opening area NA3, the display panel 100 includes a substrate 1, an array layer 2, a light-emitting layer 3, and an electrostatic discharge layer 4, the array layer 2 is disposed on the substrate 1, the light-emitting layer 3 is disposed on a side of the array layer 2 away from the substrate 1, the light-emitting layer 3 includes a first electrode 31 and a second electrode 32, the second electrode 32 is connected to the array layer 2, the first electrode 31 extends from the display area AA to the non-display area NA, the electrostatic discharge layer 4 is disposed in the non-display area NA and between the substrate 1 and the first electrode 31, one end of the electrostatic discharge layer 4 is connected to the first electrode 31, and the other end extends to the opening area NA3.

The non-display area NA of the display panel 100 includes an opening area NA3, and optionally, a predetermined position of the display panel 100 may be cut by a laser cutting method to form the opening area NA3, where the opening area NA3 is generally a circular hole, for example, a camera hole area on a mobile phone screen, and partial light transmission may be achieved through the opening area NA3.

As for the structure of the display panel 100, the array layer 2 and the light emitting layer 3 are sequentially disposed on the substrate 1, wherein the substrate 1 may be, for example, a hard glass substrate or a flexible substrate, the flexible substrate may be, for example, polyimide (PI), etc., and a Buffer layer 9 (Buffer) may be disposed between the substrate 1 and the array layer 2.

The array layer 2 disposed on the substrate 1 includes a driving line, a Thin Film Transistor (TFT), and the like, and specifically includes a gate electrode, a source electrode, and a drain electrode.

The array layer 2 is provided with a light-emitting layer 3, and at a pixel opening 33 formed between the first electrode 31 and the second electrode 32, light is emitted by combination of holes and electrons therein, and optionally, the light-emitting layer 3 is provided after the planarization layer 10 is generally provided on the array layer 2, so that the light-emitting layer 3 is kept flat.

Alternatively, the first electrode 31 in the light emitting layer 3 is a cathode located at a side far from the array layer 2, the second electrode 32 is an anode located at a side near the array layer 2, the light emitting layer 3 is connected to the drain of the array layer 2 through the anode to form a signal transmission path, and the cathode extends from the display area AA to the cut section of the open area NA3.

In view of conducting the static electricity at the opening area NA3, the static electricity conducting layer 4 is disposed to extend to the opening area NA3, and the static electricity conducting layer 4 is disposed between the substrate 1 and the first electrode 31 in the non-display area NA, so as to avoid the influence of the static electricity conducting layer 4 on the display area AA, and further conduct the static electricity leaked from the first electrode 31, thereby achieving sufficient dissipation of the static electricity.

Since the first electrode 31 extends to the non-display area NA and the static electricity discharge layer 4 is also disposed in the non-display area NA, the first electrode 31 and the static electricity discharge layer 4 can be in contact connection at the non-display area NA, and the static electricity discharge layer 4 and the first electrode 31 are both conductive on the basis that the static electricity discharge layer 4 extends to the open area NA3, so that static electricity can be discharged from the channel formed by the static electricity discharge layer 4 and the first electrode 31.

According to the display panel 100 provided by the embodiment of the application, the static electricity leading-out layer 4 is arranged between the substrate 1 of the non-display area NA and the first electrode 31, and the two ends of the static electricity leading-out layer 4 are respectively connected with the opening area NA3 and the first electrode 31, so that static electricity at the opening area NA3 can be conducted to the first electrode 31 to be led out, a new static electricity dissipation channel is formed, on the premise that the first electrode 31 dissipates part of static electricity, overlarge static electricity is further led out through the static electricity leading-out layer 4, the static electricity leading-out capacity at the opening area NA3 is improved, better safety performance is achieved, the phenomenon that the display abnormity is caused when the static electricity at the opening area NA3 is overlarge and flows to the substrate 1 is avoided, the display effect is improved, meanwhile, the static electricity leading-out layer 4 is located in the non-display area NA, the interference to the display area AA is avoided, and the reliable guarantee is provided for normal display.

As an alternative embodiment, please continue to refer to fig. 2, the opening area NA3 has an opening cross section 5, and the electrostatic discharge layer 4 extends to the opening cross section 5.

In this embodiment, the static electricity discharging layer 4 is extended to the opening section 5 to discharge the static electricity at the opening NA3.

Considering that static electricity can be transmitted along the opening section 5, one end of the static electricity derivation layer 4 is disposed at the opening section 5, and when the static electricity flows through the static electricity derivation layer 4 along the opening section 5, the static electricity is transmitted along the static electricity derivation layer 4, enters the first electrode 31, and is dissipated.

According to the display panel 100 provided by the embodiment of the application, the static electricity leading-out layer 4 extends to the opening section 5, and can be directly contacted and collected with static electricity generated at the opening area NA3, so that static electricity can be captured to a greater extent, and the static electricity collecting and leading-out capability is improved.

As an alternative embodiment, the static electricity lead-out layer 4 includes a metal conductor layer.

The specific material of the static electricity derivation layer 4 is not particularly limited in the present application, and may be any material having a certain conductivity and capable of being connected to the first electrode 31, and optionally, the static electricity derivation layer 4 is a metal layer.

According to the display panel 100 provided by the embodiment of the application, the used static electricity leading-out layer 4 is a metal conductor, so that an easily-obtained material is provided, the process flow is simplified, and the manufacturing cost is saved.

As an alternative embodiment, with continuing reference to fig. 2, the array layer 2 includes an active layer 21 and an insulating layer 22, the active layer 21 is disposed on the substrate 1 of the display area AA and spaced apart from and disposed on the same layer as the static electricity derivation layer 4, and the insulating layer 22 covers the active layer 21 and at least a portion of the static electricity derivation layer 4.

In the present embodiment, the active layer 21 in the array layer 2 may be an indium gallium zinc oxide semiconductor layer (IGZO) or a low temperature polysilicon Layer (LTPS), the active layer 21 is disposed on the substrate 1 and connected to the source and the drain, respectively, and the active layer 21 functions to provide a driving signal.

Alternatively, the insulating layer 22 includes a gate insulating layer, an intermediate layer, and an interlayer insulating layer in this order, specifically, the active layer 21 is covered by the gate insulating layer while insulating the active layer 21 from the gate electrode, the gate electrode is disposed on the gate insulating layer and in the intermediate layer, the interlayer insulating layer is disposed on the intermediate layer, and the source and drain electrodes penetrate the entire insulating layer 22 and are disposed on the interlayer insulating layer.

The insulating layer 22 is not only in the display area AA but also extends into the non-display area NA, thereby covering at least a portion of the static electricity discharge layer 4, and the first electrode 31 in the non-display area NA extends on the insulating layer 22 to the opening area NA3.

Since the active layer 21 drives the light emitting layer 3 to emit light, the active layer 21 is only disposed in the display area AA, and the static electricity discharge layer 4 is disposed in the non-display area NA, so that the static electricity discharge layer 4 is spaced from the active layer 21, and the static electricity discharge layer 4 does not affect the active layer 21 and the display effect in the process of dissipating static electricity.

Alternatively, the active layer 21 of the display area AA and the electrostatic discharge layer 4 of the non-display area NA are disposed in the same layer.

The display panel 100 provided by the embodiment of the application can realize the manufacturing and forming of the active layer 21 and the static electricity leading-out layer 4 by arranging the active layer 21 and the static electricity leading-out layer 4 at the same layer, simplifies the process steps, improves the production efficiency, and also avoids the abnormal display caused by the mutual electric interference by arranging the active layer 21 and the static electricity leading-out layer 4 at intervals, thereby ensuring the overall safety performance and the display effect.

As an alternative embodiment, referring to fig. 3, the insulating layer 22 is located between the static electricity derivation layer 4 and the first electrode 31, and the first electrode 31 passes through the insulating layer 22 and is electrically connected to the static electricity derivation layer 4.

Since the active layer 21 and the static electricity derivation layer 4 are maintained in the same layer and covered with the insulating layer 22, and the light emitting layer 3 is located on the insulating layer 22, the first electrode 31 of the light emitting layer 3 extending to the non-display area NA is located on the insulating layer 22 and separated from the static electricity derivation layer 4 by the insulating layer 22.

For the connection between the static electricity derivation layer 4 and the first electrode 31, the first electrode 31 needs to pass through the insulating layer 22 in the non-display area NA to be connected to the static electricity derivation layer 4 below.

Considering that the active layer 21 and the static electricity derivation layer 4 are disposed on the same layer, and the covered insulation layer 22 specifically includes a gate insulation layer, an intermediate layer, and an interlayer insulation layer, the first electrode 31 needs to pass through the gate insulation layer, the intermediate layer, and the interlayer insulation layer, respectively, and then is connected to the static electricity derivation layer 4.

The embodiment of the application provides a display panel 100, through setting up insulating layer 22, the electric interference between each layer has been kept off, has improved the stability between the rete, makes first electrode 31 pass insulating layer 22 simultaneously and derives layer 4 electricity with static and is connected, on the basis of guaranteeing electric stability between each layer, has formed the static dissipation passageway of deriving layer 4 and first electrode 31 and constituteing by static.

As an alternative embodiment, referring to fig. 3, the insulating layer 22 has a via 27, and the first electrode 31 is electrically connected to the static electricity discharge layer 4 at the via 27.

The insulating layer 22 in the non-display area NA is provided with the via hole 27, so that the local static electricity discharge layer 4 is exposed at the via hole 27, and thus, the first electrode 31 attached to the extending portion of the insulating layer 22 extends to the via hole 27 to be connected with the partially exposed static electricity discharge layer 4, thereby forming a static electricity dissipation channel.

Specifically, the via 27 on the non-display NA insulating layer 22 needs to completely penetrate through the gate insulating layer 22, the intermediate layer and the interlayer insulating layer 22 until the local static electricity discharging layer 4 is exposed.

According to the display panel 100 provided by the embodiment of the application, the via hole 27 is formed in the insulating layer 22, the first electrode 31 is connected with the static electricity leading-out layer 4 at the via hole 27, a static electricity dissipation channel is formed, a connection mode is provided, and the via hole 27 is also beneficial to preventing breakage during later-stage packaging and cutting.

As an alternative embodiment, with continued reference to fig. 3, the insulating layer 22 has more than two vias 27, and the vias 27 are spaced apart from each other.

Alternatively, a plurality of via holes 27 may be disposed on the insulating layer 22, and the first electrode 31 may be connected to the static electricity derivation layer 4 at each via hole 27, so that a plurality of static electricity derivation channels of the first electrode 31 are formed on the static electricity derivation layer 4, and a plurality of static electricity dissipation branches are formed, thereby improving the static electricity derivation capability.

The number of the via holes 27 formed in the insulating layer 22 is not particularly limited, and the specific number of the via holes 27 can be determined according to the actual static electricity derived amount, the packaging process, the anti-cracking requirement and the like, and the via holes 27 are arranged at intervals to prevent mutual interference.

According to the display panel 100 provided by the embodiment of the application, the plurality of via holes 27 are formed in the insulating layer 22, so that the multipoint connection of the first electrode 31 and the static electricity leading-out layer 4 is realized, a plurality of static electricity dissipation branches are formed, the static electricity leading-out capability is improved, and the plurality of via holes 27 are also more favorable for the packaging process and the anti-fracture design.

As an alternative embodiment, referring to fig. 4, the display panel 100 further includes an encapsulation layer 6, the encapsulation layer 6 is disposed on a side of the first electrode 31 away from the substrate 1, and the encapsulation layer 6 at the non-display area NA is at least partially disposed in the via hole 27.

Optionally, the structure of the encapsulation layer 6 specifically includes a first inorganic layer 61, a second inorganic layer 62, and an organic layer 63 therebetween, after the layers are fabricated, the first inorganic layer 61 is deposited on the light-emitting layer 3, the organic layer 63 is disposed on the first inorganic layer 61, and finally the second inorganic layer 62 is deposited on the organic layer 63.

Specifically, the first inorganic layer 61 may be deposited on the light emitting layer 3 by using a chemical vapor deposition process, the organic layer 63 is formed on the first inorganic layer 61 by using an inkjet printing process, which serves to planarize the encapsulation layer 6 and make the encapsulation layer 6 flexible, thereby increasing the stress range that the encapsulation layer 6 can bear, and avoiding easy fracture thereof, and finally, the second inorganic layer 62 is deposited on the organic layer 63 by using a chemical vapor deposition process, thereby forming an integral encapsulation layer 6 structure.

Since the first electrode 31 at the non-display area NA is attached to the insulating layer 22 and extends into the via hole 27, when the encapsulation layer 6 is fabricated, the first inorganic layer 61 is deposited along the contour of the upper surface and a portion of the first inorganic layer is deposited in the via hole 27, and when the organic layer 63 is inkjet printed, the organic layer 63 is deposited and filled into the via hole 27, and the upper surface of the organic layer is planarized, which is beneficial to depositing the second inorganic layer 62 again.

Part of the organic layer 63 is filled into the via holes 27, and the overflow of the top thereof during the inkjet printing process can be properly prevented, and when a plurality of via holes 27 are provided on the insulating layer 22, the organic layer 63 can be filled into each of the via holes 27, and thus the overflow thereof can be further prevented.

According to the display panel 100 provided by the embodiment of the application, the first electrode 31 can be connected with the static electricity leading-out layer 4 by using the via hole 27, the overflow of the organic layer 63 in the packaging process can be prevented, the packaging efficiency is improved, and the packaging process is facilitated.

As an alternative embodiment, the active layer 21 is a semiconductor layer, and the static electricity discharge layer 4 is made of the same material as the semiconductor layer.

Alternatively, the active layer 21 is a semiconductor layer, and the semiconductor material thereof may be Indium Gallium Zinc Oxide (IGZO) or Low Temperature Polysilicon (LTPS).

Since the static electricity discharge layer 4 is provided in the same layer as the semiconductor layer, the static electricity discharge layer 4 and the semiconductor layer may be made of the same material, for example, indium Gallium Zinc Oxide (IGZO), and the static electricity discharge layer 4 may be made of the same semiconductor material, which has the same conductivity and can be connected to the first electrode 31, to further simplify the process.

According to the display panel 100 provided by the embodiment of the application, the active layer 21 and the static electricity leading-out layer 4 are arranged on the same layer, and the active layer 21 and the static electricity leading-out layer 4 are made of the same semiconductor material, so that the static electricity leading-out layer 4 has the static electricity leading-out performance, and meanwhile, the semiconductor material is easy to obtain, the process that materials need to be replaced when the static electricity leading-out layer 4 is formed is avoided, and the process flow is further simplified.

As an alternative embodiment, referring to fig. 5, the active layer 21 includes a first driving layer 23, the array layer 2 further includes a source/drain metal layer 25 and a metal pad layer 26, the source/drain metal layer 25 is disposed on the insulating layer 22 and connected to the first driving layer 23, and the metal pad layer 26 is located on a side of the source/drain metal layer 25 away from the insulating layer 22 and connected to the source/drain metal layer 25.

Optionally, the first driving layer 23 is an indium gallium zinc oxide layer (IGZO) for providing a driving signal to the light emitting layer 3, the source and drain metal layers 25 are respectively connected to the first driving layer 23 and extend onto the insulating layer 22, and the source and drain metal layers 25 of the display area AA and the first electrode 31 of the non-display area NA are in the same layer.

The array layer 2 further includes a metal pad layer 26, the metal pad layer 26 is disposed on the source/drain metal layer 25, and the source/drain metal layer 25 is connected to the second electrode 32 of the light-emitting layer 3 through the metal pad layer 26 to transmit the driving signal to the light-emitting layer 3.

Optionally, the active layer 21 includes a second driving layer 24, the second driving layer 24 is a polysilicon layer (Poly), the second driving layer 24 and the first driving layer 23 are staggered and spaced apart, similarly, the source and drain metal layers 25 are respectively connected to the second driving layer 24 and extend onto the insulating layer 22, and the source and drain metal layers 25 are further connected to the second electrode 32 of the light emitting layer 3 through the metal pad layer 26.

The source/drain metal layers 25 of the first driving layer 23 and the second driving layer 24 are located on the same layer, and the corresponding metal pad layers 26 are also located on the same layer.

In the display panel 100 provided in the embodiment of the present application, the array layer 2 specifically includes the first driving layer 23, the source/drain metal layer 25, and the metal pad layer 26, and specific film structure distribution of the array layer 2 and a connection manner with the light emitting layer 3 are provided, so that a driving process of the active layer 21 transmitting a driving signal to the light emitting layer 3 is realized.

As an alternative embodiment, referring to fig. 6, the non-display area NA includes a first blocking area NA1 and a second blocking area NA2 between the display area AA and the opening area NA3, the first blocking area NA1 is disposed adjacent to the display area AA and is separated from the second blocking area NA2 by a blocking portion 7, a blocking portion 8 is disposed in the first blocking area NA1 and the second blocking area NA2, and the blocking portion 8 is disposed on the insulating layer 22 and blocks the first electrode 31.

The display panel 100 has a display area AA and a cut open area NA3, and specifically, a first partition area NA1 and a second partition area NA2 are further included between the display area AA and the open area NA3, and the first partition area NA1 and the second partition area NA2 serve as a non-display area NA, so that the display panel 100 sequentially includes the display area AA, the first partition area NA1, the second partition area NA2 and the open area NA3 from inside to outside.

The first isolation area NA1 and the second isolation area NA2 may be separated by a blocking portion 7, optionally, the blocking portion 7 is a retaining wall structure, and is usually made of an organic material, the blocking portion 7 is convexly disposed on the insulating layer 22 of the non-display area NA, and the first electrode 31 needs to extend around the blocking portion 7 and needs to be encapsulated at the same time.

The blocking portion 7 is used for preventing the overflow of the ink-jet printing organic layer 63 in the packaging process except for separating the first partition area NA1 and the second partition area NA2, so that a groove structure is formed in the middle to accommodate the organic layer 63, and meanwhile, the protruding retaining wall structure of the blocking portion 7 can also block water vapor from the opening area NA3, so that the water vapor is prevented from entering the display area AA to cause abnormal display.

Partition portions 8 are disposed in the first partition area NA1 and the second partition area NA2, alternatively, the partition portions 8 may be raised isolation pillars, which are usually made of metal, and form metal isolation pillars, and the partition portions 8 are also disposed on the insulating layer 22, so that the first electrode 31 is disconnected there.

Wherein the first electrode 31 is blocked by the blocking portion 8 in the first blocking area NA1 for the purpose of blocking the water vapor from below the substrate 1 from entering the display area AA, and the first electrode 31 is blocked by the blocking portion 8 in the second blocking area NA2 for the purpose of blocking the water vapor from the opening area NA3 from entering the display area AA.

The embodiment of the application provides a pair of display panel 100, through set up first partition district NA1 and second partition district NA2 between display area AA and trompil district NA3, can be abundant prevent that external steam from entering into display panel 100 inside, avoid receiving steam interference, improve holistic security performance, utilize blocking part 7 to separate two districts, when blockking steam, be favorable to accomplishing packaging technology smoothly.

As an alternative embodiment, referring to fig. 6 and 7, the first partition area NA1 and the second partition area NA2 respectively have more than two partition parts 8, and the partition parts 8 are arranged at intervals.

The number of the partition parts 8 in the first partition area NA1 and the second partition area NA2 can be respectively set to be multiple, and the first electrode 31 is partitioned for multiple times, so that water vapor can be more fully blocked.

The specific number of the partition parts 8 in the first partition area NA1 and the second partition area NA2 is not particularly limited, and may be one or more, and may be determined according to actual conditions.

The display panel 100 provided by the embodiment of the application can set the plurality of partition parts 8 in the first partition area NA1 and the second partition area NA2 at intervals, so that water vapor can be further prevented from entering the display area AA, the abnormal display risk is reduced, and the safety performance of the display panel 100 is improved.

As an alternative embodiment, referring to fig. 7, the partition 8 is connected to the static electricity discharge layer 4 through the insulating layer 22, and the partition 8 can generate an oxidation-reduction reaction with the static electricity discharge layer 4.

In the process of etching the film, the etching solution therein can contact with the partition part 8, a displacement reaction can usually occur, and the separated metal simple substance can cover the surface of the partition part 8, so that the surface of the partition part 8 forms a protrusion, which causes poor later-stage packaging and has reliability risk.

For example, the partition part 8 contains metal aluminum (Al), and the etching solution contains silver ions (Ag) ⁺ ) So that oxidation-reduction reaction occurs to precipitate metallic silver (Ag) covering the partition part 8, so thatIt gradually bulges out.

Therefore, in the present embodiment, the partition portion 8 penetrates the insulating layer 22 and is connected to the static electricity discharge layer 4, so that the partition portion 8 preferentially generates an oxidation-reduction reaction with the static electricity discharge layer 4, and a metal simple substance is precipitated from the static electricity discharge layer 4, thereby avoiding the protrusion of the partition portion 8 while ensuring the electrical conductivity.

For example, the static electricity discharge layer 4 is an indium gallium zinc oxide layer (IGZO) containing indium oxide (In 2O 3), and the metal aluminum (Al) In the partition portion 8 can be connected to indium ions (In) In the static electricity discharge layer 4 ³⁺ ) An oxidation-reduction reaction occurs, so that a metal simple substance indium (In) is precipitated to cover the static electricity leading-out layer 4, the static electricity leading-out layer also has the static electricity leading-out capability, and meanwhile, the surface of the partition part 8 is prevented from being raised.

The embodiment of the application provides a display panel 100, derive layer 4 through passing insulating layer 22 with the wall portion 8 and be connected and produce redox reaction with static, avoided among the etching process wall portion 8 and etching solution reaction to cause the arch of wall portion 8, derive layer 4 through static and replace the etching solution to carry out chemical reaction, on the basis of ensureing static and deriving, also prevented that the encapsulation that wall portion 8 arch caused is inconvenient.

As an alternative embodiment, referring to fig. 8, the partition portion 8 includes a first partition 81 and a second partition 82, the partition portion 8 is connected to the static electricity discharging layer 4 through the first partition 81, the first partition 81 can generate an oxidation-reduction reaction with the static electricity discharging layer 4, and the second partition 82 is disposed to cover the first partition 81.

In the present embodiment, the partition 8 is divided into two parts, namely, a first partition 81 and a second partition 82, and the first partition 81 and the static electricity discharge layer 4 generate an oxidation-reduction reaction, and the second partition 82 covers the first partition 81 and is located on the first partition 81.

Specifically, the first partition 81 is mainly used for oxidation-reduction reaction to avoid the protrusion of the whole partition 8, and the second partition 82 is mainly used for disconnecting the first electrode 31 to block the entrance of external water vapor.

In the case of having a plurality of partitions 8, all the partitions 8 may be divided into two parts, i.e., a first partition 81 and a second partition 82, or individual partitions 8 may be selected for structural division, according to actual requirements.

In the display panel 100 according to the embodiment of the present invention, the partition portion 8 is divided into the first partition 81 and the second partition 82, so that the redox reaction with the static electricity discharge layer 4 can be realized, the partition of the first electrode 31 is not affected, and two functions are provided.

As an alternative embodiment, the first partition 81 is disposed in the same layer as the source/drain metal layer 25, and the second partition 82 is disposed in the same layer as the metal pad layer 26.

Since the partition 8 in the non-display area NA and the source/drain metal layer 25 in the display area AA are both located on the insulating layer 22, specifically, the first partition 81 in the partition 8 and the source/drain metal layer 25 may be disposed on the same layer, and the second partition 82 covering the first partition 81 may be disposed on the same layer as the metal pad layer 26 on the source/drain metal layer 25 in the display area AA.

According to the display panel 100 provided by the embodiment of the application, the first partition 81 of the non-display area NA and the source/drain metal layer 25 of the display area AA are arranged on the same layer, and the second partition 82 of the non-display area NA and the metal pad layer 26 of the display area AA are arranged on the same layer, so that the process is simplified, and the film layers on the same layer are simultaneously processed and molded.

As an alternative embodiment, the first partition 81 and the source/drain metal layer 25 are made of the same material, and the second partition 82 and the metal pad layer 26 are made of the same material.

According to the display panel 100 provided by the embodiment of the application, on the premise that the same layer is satisfied, the first partition 81 and the source/drain metal layer 25 are made of the same material, and the second partition 82 and the metal cushion layer 26 are made of the same material, so that the process flow can be further simplified, the simultaneous processing and molding of the display area AA and the non-display area NA can be realized, the material of the partition part 8 is prevented from being selectively replaced, and the process steps are saved.

As an alternative embodiment, the apertured area NA3 comprises circular holes, around which the static-electricity conductive layer 4 is arranged.

Because this application is directed against the static of trompil district NA3 department, in order to make the static of trompil district NA3 department fully derive through static derivation layer 4, so set up static derivation layer 4 around whole trompil district NA3 to ensure that the static of each position of trompil district NA3 all can be caught and derive through static derivation layer 4.

Optionally, one end of the static electricity discharge layer 4 may be disposed at the opening section 5 of the circular hole, and the other end of the static electricity discharge layer is connected to the first electrode 31, it may be understood that the static electricity discharge layer 4 also has a circular hole at a position corresponding to the opening area NA3, the opening section 5 is a circular closed circumferential surface, and static electricity is dissipated after being longitudinally transferred to the static electricity discharge layer 4 along the opening section 5 and then being transversely transferred through the first electrode 31.

The embodiment of the application provides a pair of display panel 100, through the circular port setting of exporting layer 4 ring edge opening district NA3 with static, realized exporting opening district NA3 omnidirectional static, make static dissipation more abundant, further improved display panel 100's static derivation ability, have more reliable safety guarantee.

The embodiment of the application provides a display device, which comprises the display panel 100.

The display panel 100 and the display device provided by the embodiment of the application, the static electricity leading-out layer 4 is arranged between the substrate 1 of the non-display area NA and the first electrode 31, and two ends of the static electricity leading-out layer 4 are respectively connected with the opening area NA3 and the first electrode 31, so that static electricity at the opening area NA3 can be conducted to the first electrode 31 to be led out, a new static electricity dissipation channel is formed, on the premise that the first electrode 31 dissipates part of static electricity, overlarge static electricity is further led out through the static electricity leading-out layer 4, the static electricity leading-out capability at the opening area NA3 is improved, better safety performance is achieved, the situation that the display abnormity is caused by the overlarge static electricity at the opening area NA3 and flowing to the substrate 1 is avoided, the display effect is improved, meanwhile, the static electricity leading-out layer 4 is located in the non-display area NA, the interference to the display area AA is avoided, and reliable guarantee is provided for normal display.

While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.

Claims

1. A display panel including a display region and a non-display region, the non-display region including an open region, at least a portion of the display region surrounding the open region, the display panel comprising:

a substrate;

an array layer disposed on the substrate;

the light-emitting layer is arranged on one side, far away from the substrate, of the array layer and comprises a first electrode and a second electrode, the second electrode is connected with the array layer, and the first electrode extends from the display area to the non-display area;

and the static electricity leading-out layer is arranged in the non-display area and is positioned between the substrate and the first electrode, one end of the static electricity leading-out layer is connected with the first electrode, and the other end of the static electricity leading-out layer extends to the opening area.

2. The display panel according to claim 1, wherein the open region has an open cross section, and the static electricity discharge layer extends to the open cross section.

3. The display panel according to claim 1, wherein the static electricity derivation layer comprises a metal conductor layer.

4. The display panel according to claim 1, wherein the array layer comprises an active layer and an insulating layer, the active layer is disposed on the substrate of the display region and spaced apart from and disposed on the same layer as the static electricity discharge layer, and the insulating layer covers the active layer and at least a portion of the static electricity discharge layer.

5. The display panel according to claim 4, wherein the insulating layer is located between the static electricity derivation layer and the first electrode, and wherein the first electrode is electrically connected to the static electricity derivation layer through the insulating layer.

6. The display panel according to claim 5, wherein the insulating layer has a via hole thereon, and the first electrode is electrically connected to the static electricity discharge layer at the via hole.

7. The display panel according to claim 6, wherein the insulating layer has two or more of the vias, and the vias are spaced apart from each other.

8. The display panel of claim 6, further comprising an encapsulation layer disposed on a side of the first electrode away from the substrate, wherein the encapsulation layer at the non-display region is at least partially disposed in the via.

9. The display panel according to claim 4, wherein the active layer is a semiconductor layer, and the static electricity discharge layer is made of the same material as the semiconductor layer.

10. The display panel according to claim 4, wherein the active layer comprises a first driving layer, the array layer further comprises a source drain metal layer and a metal cushion layer, the source drain metal layer is disposed on the insulating layer and connected to the first driving layer, and the metal cushion layer is disposed on a side of the source drain metal layer away from the insulating layer and connected to the source drain metal layer.

11. The display panel according to claim 10, wherein the non-display region includes a first blocking region and a second blocking region between the display region and the opening region, the first blocking region being disposed adjacent to the display region and being separated from the second blocking region by a blocking portion, the first blocking region and the second blocking region having a blocking portion therein, the blocking portion being disposed on the insulating layer and blocking the first electrode.

12. The display panel according to claim 11, wherein the first partition region and the second partition region each have two or more of the partitions, and the partitions are spaced apart from each other.

13. The display panel according to claim 11, wherein the partition is connected to the static electricity discharge layer through the insulating layer, and wherein the partition is capable of performing a redox reaction with the static electricity discharge layer.

14. The display panel according to claim 13, wherein the partition comprises a first partition and a second partition, the partition is connected to the static electricity discharge layer through the first partition and is capable of generating an oxidation-reduction reaction with the static electricity discharge layer, and the second partition is disposed to cover the first partition.

15. The display panel according to claim 14, wherein the first partition is disposed in the same layer as the source/drain metal layer, and wherein the second partition is disposed in the same layer as the metal pad layer.

16. The display panel according to claim 15, wherein the first partition is made of the same material as the source/drain metal layer, and the second partition is made of the same material as the metal pad layer.

17. The display panel according to claim 1, wherein the open region includes a circular hole, and the static electricity discharge layer is disposed around the circular hole.

18. A display device characterized by comprising the display panel according to any one of claims 1 to 17.