CN112582573B - Display panel, preparation method thereof and display device - Google Patents
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- CN112582573B CN112582573B CN202011453081.2A CN202011453081A CN112582573B CN 112582573 B CN112582573 B CN 112582573B CN 202011453081 A CN202011453081 A CN 202011453081A CN 112582573 B CN112582573 B CN 112582573B
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
- H10K59/65—OLEDs integrated with inorganic image sensors
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- Electroluminescent Light Sources (AREA)
Abstract
The application provides a display panel, a preparation method thereof and a display device. The display panel has an opening region, a display region, and a partition region between the opening region and the display region, an electroluminescent device is disposed in the display region, the electroluminescent device includes a common film layer extending to the partition region, and the partition region includes: and a partition unit at least partially surrounding the opening region for partitioning the common film layer continued from the display region to the partition region, wherein the partition unit has partition grooves stacked at a predetermined angle on a cross section thereof. According to the display panel, the partition unit is arranged and used for partitioning the common film layer of the display area to continue to the partition area, and the partition unit is provided with the partition grooves which are overlapped according to the preset angle on the cross section of the partition unit, so that the path of substances such as water, oxygen and the like entering the display area of the display panel is prolonged.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel, a preparation method thereof and a display device.
Background
With the development of science and technology, display panels with comprehensive screen design are well liked by consumers by virtue of the advantages of high screen occupation ratio and the like. Display panels of full-screen design typically have an open area in the display area for mounting components such as cameras, headphones, etc. In addition, since substances such as water and oxygen are easily invaded from the opening region to the display region, a blocking region is required to be provided between the display region and the opening region to block the substances such as water and oxygen.
In order to achieve a better effect of preventing substances such as water and oxygen from invading into the partition region, a plurality of partition pillars are usually arranged in the partition region along the transverse direction of the display panel (i.e. the direction from the perforated region to the display region), so as to prolong the invasion path of the substances such as water and oxygen. However, such an arrangement may result in a larger width W of the partition region, which may further affect the visual effect.
Disclosure of Invention
In view of this, embodiments of the present disclosure provide a display panel, a method for manufacturing the same, and a display device, so as to solve the problem that an opening area located in a display area is very vulnerable to invasion of substances such as water and the like in an existing display panel.
A first aspect of the present application provides a display panel having an open area, a display area, and a partition area between the open area and the display area, an electroluminescent device being disposed in the display area, the electroluminescent device including a common film layer extending to the partition area, the partition area including: and a partition unit at least partially surrounding the opening region for partitioning the common film layer continued from the display region to the partition region, wherein the partition unit has partition grooves stacked at a predetermined angle on a cross section thereof.
In one embodiment of the present application, the electroluminescent device includes, in order of stacking thereof, an array driving layer, a first electrode layer, a light emitting layer, a second electrode layer, and an encapsulation layer disposed on the second electrode layer, and the common film layer is one or more of the array driving layer, the light emitting layer, and the encapsulation layer.
In an embodiment of the present application, the common film layer includes a light emitting layer and an encapsulation layer.
In an embodiment of the present application, a cross section of the partition unit is an axisymmetric pattern, a symmetry axis of the axisymmetric pattern is perpendicular to the display panel, and the partition grooves are sequentially arranged along the symmetry axis.
In an embodiment of the present application, the partition unit includes a first partition groove and a second partition groove having openings perpendicular to the symmetry axis, and the first partition groove is superimposed on the second partition groove in the direction of the symmetry axis.
In an embodiment of the present application, a depth of the first partition groove is greater than or equal to a depth of the second partition groove.
In an embodiment of the present application, the through hole of the open region is communicated with the first partition groove and the second partition groove near the open region.
In an embodiment of the present application, each partition groove includes an insulating layer and an inorganic encapsulation layer deposited on the insulating layer, and an organic glue layer is filled between two adjacent first partition grooves of the partition unit; an organic glue layer is filled between two adjacent second partition grooves of the partition units.
A second aspect of the present application provides a display device. The display device comprises the display panel provided by the first aspect of the application.
A third aspect of the present application provides a method for manufacturing a display panel, including: providing a display module, wherein the display module comprises an opening area, a display area and a partition area positioned between the opening area and the display area, the display area is provided with an electroluminescent device, and the electroluminescent device comprises a common film layer extending to the partition area; and forming partition units at least partially surrounding the opening region in the partition regions, the partition units being used for partitioning the common film layer continuing from the display region to the partition regions, wherein the partition units have partition grooves which are overlapped at a preset angle on the cross section of the partition units.
The display panel provided by the embodiment of the application is characterized in that the partition unit is arranged in the partition area, the partition unit is used for partitioning the common film layer of the display area, the common film layer continues to the partition area, and the partition unit is provided with the partition grooves which are overlapped according to the preset angle on the cross section of the partition unit, so that the purpose of extending the paths of substances such as water, oxygen and the like entering the display area in the longitudinal direction and the transverse direction of the display panel is achieved. In addition, because a plurality of partition columns do not need to be additionally arranged in the transverse direction of the display panel, the number of the partition columns in the transverse direction is reduced, the width W of a partition area is further reduced, and the visual effect is optimized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only schematic illustrations of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure.
FIGS. 2A-2C are schematic cross-sectional views along AA' of the display panel in the embodiment shown in FIG. 1.
Fig. 3A-3B are schematic partial cross-sectional views illustrating a display panel according to an embodiment of the disclosure.
Fig. 4A and 4B are schematic cross-sectional enlarged views illustrating a package enhancement unit according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a display device according to an embodiment of the present disclosure.
Fig. 6 is a schematic flow chart illustrating a manufacturing method of a display panel according to an embodiment of the present disclosure.
Fig. 7 is a schematic flow chart illustrating a manufacturing method of a display panel according to another embodiment of the present disclosure.
Fig. 8A-8H are schematic structural diagrams of the display panel corresponding to the steps of the embodiment shown in fig. 7.
Detailed Description
As described in the background, in the conventional display panel, the wide blocking area may affect the visual effect of the display panel. The inventors have found that the reason for this problem is as follows: in order to extend the path of water and oxygen entering the display region of the display panel, a plurality of barrier pillars are generally disposed in a lateral direction of the display panel, and the disposed plurality of barrier pillars increase the width W of the barrier region of the display panel. In order to solve the above problems, the inventors have studied and found that a path of a substance such as water or oxygen entering a display region of a display panel can be extended without laterally adding an isolation column by providing an isolation unit in the isolation region and providing an isolation groove in the isolation unit.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present disclosure. FIGS. 2A-2C are schematic cross-sectional views along AA' of the display panel in the embodiment shown in FIG. 1. As shown in fig. 1 and fig. 2A to 2C, the display panel 100 includes a display area 2 having an opening area 1, a display area 2, and a blocking area 3 between the opening area 1 and the display area 2, an electroluminescent device 110 is disposed in the display area 2, the electroluminescent device 110 includes a common film layer 111 extending toward the blocking area 3, the blocking area 3 includes blocking units 120 at least partially surrounding the opening area for blocking the common film layer 111 continuing from the display area 2 to the blocking area 3, wherein the blocking units 120 have blocking grooves 10 stacked at a predetermined angle in a cross-section thereof.
It should be understood that the shape of the open region 1 may be a regular or irregular pattern such as a circle, an ellipse, a rectangle or a polygon, and the shape of the open region 1 is not particularly limited in the embodiment of the present application. In addition, the size and the position of the opening region 1 and the blocking region 3 in the display panel can be adjusted according to actual needs, which is not specifically limited in the embodiment of the present application. The number of the open region 1 and the blocking region 3 may be one or more, and this is not particularly limited in the embodiment of the present application. The electroluminescent device 110 may include a light emitting unit, a gate insulating layer, an interlayer dielectric layer, and the like, which are stacked, and the structure of the electroluminescent device 110 is not specifically limited in this embodiment. The blocking groove 10 may have a predetermined angle or a plurality of predetermined angles, which is not specifically limited in the present application. The number of the partition units 120 may be one or more, and the structure of the partition groove 10 in different partition units 120 may be the same or different, which is not specifically limited in the present application. The opening of the partition groove 10 may be adjacent to the opening region and may also be adjacent to the display region, which is not particularly limited in this application.
It should also be understood that the partition unit 120 may be composed of a functional film layer, such as a buffer layer, a gate insulating layer, and the like, between adjacent light emitting units in the display panel 100, and may also be composed of one or more barrier materials, and the structural composition of the partition unit 120 is not particularly limited in this embodiment. The partition unit 120 may be formed by etching on the display panel, or may be formed by directly filling in a partition region, as long as the partition unit can be formed, and the formation process of the partition unit is not specifically limited in the embodiment of the present application. The number of the partition units 120 may be one or more, and this is not particularly limited in the embodiment of the present application. The partition unit 120 may be disposed in the entire area of the partition area 3, or may be disposed in a partial area of the partition area 3, such as the middle or the side of the partition area, which is not specifically limited in this embodiment of the present application. The partition unit 120 may be a continuous whole, such as an annular structure disposed around the open hole region 1, or may be a plurality of broken units disposed at any position of the partition region 3, which is not specifically limited in this embodiment of the present invention. The partition area 3 may include other structures besides the partition unit 120, such as a substrate, an encapsulation layer, or a through slot, which is not specifically limited in this embodiment of the present invention.
The display panel provided by the embodiment of the application is characterized in that the partition unit is arranged in the partition area, the partition unit is used for partitioning the common film layer of the display area continuing to the partition area, and the partition unit is provided with the partition grooves superposed according to the preset angle on the cross section of the partition unit, so that the purpose of extending the paths of substances such as water, oxygen and the like entering the display area in the longitudinal direction and the transverse direction of the display panel is realized by utilizing the partition grooves. In addition, because a plurality of partition columns do not need to be additionally arranged in the transverse direction of the display panel, the number of the partition columns in the transverse direction is reduced, the width W of a partition area is further reduced, and the visual effect is optimized.
In an embodiment of the present application, the electroluminescent device 110 includes, in order of stacking thereof, an array driving layer, a first electrode layer, a light emitting layer, a second electrode layer, and an encapsulation layer disposed on the second electrode layer, and the common film layer 111 is one or more of the array driving layer, the light emitting layer, and the encapsulation layer.
It should be understood that the array driving layer may include a substrate, a gate insulating layer, a buffer layer, etc., which is not particularly limited in this application. The electroluminescent device 110 may include a stacked array driving layer, a first electrode layer, a light emitting layer, a second electrode layer, and an encapsulation layer, and may further include a touch layer, which is not specifically limited in this application. The common film layer 111 may be an array driving layer, a light emitting layer or an encapsulation layer, or any combination film layer of the array driving layer, the light emitting layer and the encapsulation layer, which is not specifically limited in this application.
In the embodiment of the application, the common film layer is one or more of the array driving layer, the light emitting layer and the packaging layer, and the common film layer can be continued to the partition area, so that the water and oxygen blocking capability in the partition area is further enhanced by using the common film layer of the partition area.
In an embodiment of the present application, the common film 111 includes a light emitting layer 1111 and an encapsulation layer 1112.
(refer to FIGS. 2B and 2C)
It should be understood that the common film layer 111 may include the light emitting layer 1111 and the encapsulation layer 1112, and may further include other film layers, such as an insulating layer, which is not specifically limited in this application. The common film layer 111 may also include only the encapsulation layer 1112, which is not specifically limited in this application. The light emitting layer 1111 in the common film layer 111 may or may not cover the partition unit 120, and this is not particularly limited in this application.
In the embodiment of the application, the common film layer comprises the light-emitting layer and the packaging layer, and the light-emitting layer and the packaging layer extend to the partition area, so that the capability of blocking water and oxygen in the partition area is enhanced transversely and longitudinally by the light-emitting layer and the packaging layer in the partition area, and the probability of the substances such as water and oxygen transversely or longitudinally invading the display panel from the display panel is effectively reduced. The packaging layer has stronger water and oxygen blocking capacity, so that the water and oxygen blocking capacity in the partition area is further enhanced.
Fig. 3A-3B are schematic cross-sectional views illustrating a partition unit according to an embodiment of the present application. As shown in fig. 3A-3B, the cross-section of the partition unit 120 is in an axisymmetric pattern, the symmetry axis B of the axisymmetric pattern is perpendicular to the display panel, and the partition grooves 10 are sequentially arranged along the symmetry axis B.
It should be understood that the plurality of partition units 120 may have the same or different structures, and the present application is not particularly limited thereto. The surface of the partition groove may be flat or uneven, and the present application is not particularly limited thereto. The opening of the partition groove may be perpendicular to the symmetry axis B, or may have a certain angle with the symmetry axis B, which is not specifically limited in the present application.
In the embodiment of the application, the cross section through setting up the wall unit is the axisymmetric figure, and the symmetry axis perpendicular to display panel of axisymmetric figure, and cuts off the groove and arrange along the symmetry axis in proper order to make the structure of cutting off the unit regular, and then improve the stability of cutting off the unit, make simultaneously to cut off unit both sides water oxygen route the same, reinforcing water oxygen separation ability.
Fig. 4A and fig. 4B are schematic partial cross-sectional views illustrating a display panel according to an embodiment of the disclosure. As shown in fig. 4A and 4B, the partition unit 120 includes a first partition groove 11 and a second partition groove 12 whose openings are perpendicular to the symmetry axis, and the first partition groove 11 is superimposed on the second partition groove 12 in the symmetry axis direction.
It should be understood that the direction along the axis of symmetry may be referred to as a direction perpendicular to the display panel, and may also be referred to as a portrait direction. The partition unit 120 may further include a third partition groove and a fourth partition groove stacked with the first partition groove and the second partition groove in the symmetry axis direction, which is not specifically limited in this application.
According to the technical scheme that this application embodiment provided, through setting up to cut off the unit and include that its opening is perpendicular to the first groove and the second that cuts off the groove of cutting off of symmetry axis, in the symmetry axis direction, first cuts off the groove stack and cuts off the groove on the second to increased and cut off the groove in the direction along the symmetry axis, therefore effectively prolonged the route that water oxygen got into the display area, strengthened display panel's separation water oxygen ability. Meanwhile, a plurality of partition columns do not need to be additionally arranged on the display panel in the transverse direction, so that the number of the partition columns in the transverse direction is reduced, the width of a partition area is reduced, and the visual effect of user experience is optimized.
In an embodiment of the present application, the depth of the first partition groove 11 is equal to or greater than the depth of the second partition groove 12.
It should be understood that the depth of the first partition groove 11 refers to the maximum distance that the opening of the first partition groove is depressed in the direction of the axis of symmetry, and likewise, the depth of the second partition groove 12 refers to the maximum distance that the opening of the second partition groove is depressed in the direction of the axis of symmetry.
In the embodiment of the application, the depth of the first partition groove is larger than or equal to that of the second partition groove, so that the stability of the partition unit is ensured, and meanwhile, the path of water oxygen entering the display area through the partition unit is prolonged.
In one embodiment of the present application, in the opening region 1, the through hole 20 of the opening region is communicated with the first and second partition grooves 11 and 12 adjacent to the opening region 1.
In the embodiment of the application, through setting up at the open area, the through-hole of open area and the first separating groove and the second separating groove that are close to the open area link up to make the through-hole of open area and the first separating groove and the second separating groove that are close to the open area adjacent, and then directly utilize to cut off the water oxygen that the unit separation got into the display area from the open area, avoid extending to the sharing rete of cutting off the district and receive the invasion of water oxygen.
In an embodiment of the present application, the insulating layer 130 covers the surface of the isolation groove, an inorganic encapsulation layer 140 is deposited on the insulating layer 130, and an organic glue layer 150 is filled between two adjacent first isolation grooves of the isolation unit 120; an organic adhesive layer 150 is filled between two adjacent second partition grooves of the partition unit 120.
It is understood that the material of the organic glue layer 150 may be one or more of polymethyl methacrylate, polystyrene, imide-based polymer, or p-xylene-based polymer, etc. The material of the insulating layer 130 may be an inorganic material such as silicon oxide, silicon nitride, silicon oxynitride, and the like, which is not particularly limited in this embodiment.
In the embodiment of the application, the insulating layer is covered on the surface of the partition groove and the inorganic packaging layer is deposited on the insulating layer, so that the insulating layer is in contact with the inorganic packaging layer, and the double-layer partition effect is realized. In addition, the insulating layer and the inorganic packaging layer which are additionally arranged on the partition groove can effectively prolong the path of substances such as water, oxygen and the like entering the display area of the display panel. Meanwhile, a plurality of partition columns do not need to be additionally arranged on the display panel in the transverse direction, so that the number of the partition columns in the transverse direction is reduced, the width of a partition area is reduced, and the visual effect of user experience is optimized. In addition, in the embodiment of the application, the organic glue layer is filled between the two adjacent first partition grooves of the partition unit, and the organic glue layer is filled between the two adjacent second partition grooves of the partition unit, so that the partition unit is endowed with certain flexibility, the partition unit is not easy to crack under the action of external force, and the capability of the partition unit in blocking water and oxygen is further enhanced.
Fig. 5 is a schematic structural diagram of a display device according to an embodiment of the present disclosure. As shown in fig. 5, the display device 500 includes the display panel 510 provided in any one of fig. 1 to 4B.
It should be understood that the structure of the display panel 510 in the embodiment of the present application may be the structure of any display panel described in the embodiments of fig. 1 to 4B, or may be the structure of a display panel that is equivalent to or obviously modified based on the structure of any display panel described in the embodiments of the present application, and the structure of the display panel is not particularly limited in the embodiments of the present application. The display device 500 may be a display device with a display function, such as a mobile phone, a computer, an intelligent wearable device, or a television, and the type of the display device is not particularly limited in the embodiment of the present application.
According to the display panel, the partition unit is arranged in the partition area and used for partitioning the common film layer of the display area extending to the partition area, and the partition unit is provided with the partition grooves superposed according to the preset angle on the cross section, so that the purpose that the paths of substances such as water, oxygen and the like entering the display area are prolonged in the longitudinal direction and the transverse direction of the display panel is achieved. In addition, because a plurality of partition columns do not need to be additionally arranged in the transverse direction of the display panel, the number of the partition columns in the transverse direction is reduced, the width W of a partition area is further reduced, and the visual effect is improved.
Fig. 6 is a schematic flow chart illustrating a manufacturing method of a display panel according to an embodiment of the present disclosure. As shown in fig. 6, the preparation method includes the following steps.
S610: the display module comprises an opening area, a display area and a partition area located between the opening area and the display area, wherein an electroluminescent device is arranged in the display area, and the electroluminescent device comprises a shared film layer extending to the partition area.
S620: and forming partition units at least partially surrounding the opening region in the partition region, the partition units being used for partitioning the common film layer continued from the display region to the partition region, wherein the partition units have partition grooves which are overlapped at a predetermined angle in their cross-section.
It should be understood that the partition unit may be formed by patterning the entire display panel, or may be formed by separately manufacturing the partition area, that is, step S610 and step S620 may be combined, the provided display module includes the partition unit in the partition area, or may be formed by filling a barrier material in an opening of the partition area of the display module, which is not specifically limited in this embodiment of the present disclosure.
According to the embodiment of the application, the partition unit is arranged in the partition area and used for partitioning the common film layer extending from the display area to the partition area, and the partition unit is provided with the partition grooves superposed according to the preset angle on the cross section, so that the purpose of prolonging the path of substances such as water, oxygen and the like entering the display area in the longitudinal direction and the transverse direction of the display panel is achieved. In addition, because a plurality of partition columns do not need to be additionally arranged in the transverse direction of the display panel, the number of the partition columns in the transverse direction is reduced, the width W of a partition area is further reduced, and the visual effect is optimized.
Fig. 7 is a schematic flow chart illustrating a manufacturing method of a display panel according to another embodiment of the present disclosure. The embodiment shown in fig. 7 is an example of the embodiment shown in fig. 6. Wherein step S611 in the embodiment shown in fig. 7 corresponds to step S610 in the embodiment shown in fig. 6, and steps S621 to S623 correspond to step S620 in the embodiment shown in fig. 6. Fig. 8A-8H are schematic structural diagrams of the display panel corresponding to the steps of the embodiment shown in fig. 7.
S611: providing a substrate and a display module, wherein the display module comprises an opening area, a display area and a partition area positioned between the opening area and the display area. (S611 corresponds to the structure diagram see FIG. 8A, see the display module 710, the substrate 720, the opening area 1, the display area 2, the partition area 3)
It should be understood that the width W of the blocking region 3 and the width of the opening region 1 are merely exemplary, and the width W of the blocking region 3 is smaller than the width of the opening region 1, which is not particularly limited in the embodiment of the present application. The display module may include an electroluminescent device, and the electroluminescent device may include a common film layer extending toward the blocking region.
S621: the display module is patterned to penetrate through the groove in the partition shape Cheng Guan. (see FIG. 8B, wherein the through groove 30)
It should be understood that, while the partition area Cheng Guan penetrates through the groove, a penetration groove may be formed in the perforated area, which is not particularly limited in the embodiments of the present application. The through groove may penetrate through the display module or may penetrate through a part of the film layer in the display module, which is not specifically limited in the embodiment of the present application. The through-groove may be formed while forming the partition unit, and the partition unit may be formed of a common film layer continuing to the partition region, which is not specifically limited in the present application.
S622: and forming an organic glue layer on the partition area, wherein a plurality of partition grooves are formed in the organic glue layer. (see FIG. 8C, wherein the organic glue layer 150, the isolation groove 10)
In some embodiments of the present application, the organic glue layer may be patterned after step S622 to form a plurality of partition grooves on the organic glue layer, wherein an opening of at least one of the partition grooves is adjacent to the through groove 30. It should be understood that the organic glue layer may also be formed in the opening region and the display region, which is not particularly limited in this application.
S623: and forming an insulating layer on the organic glue layer so that the insulating layer covers the organic glue layer. (see FIG. 8D, wherein insulating layer 140)
It should be understood that, when the organic glue layer and the insulating layer are multiple film layers and are disposed at an interval, step S622 and step S623 may be repeated multiple times, which is not specifically limited in this embodiment of the application. A light emitting layer, an encapsulation layer, and the like may be further formed on the insulating layer, which is not particularly limited in this embodiment of the application. The insulating layer may cover the upper surface of the organic glue layer, and may also cover a side surface of the organic glue layer, which is not specifically limited in this application.
S710: and forming a concave groove in the area of the substrate corresponding to the through groove. (see FIG. 8E, wherein, the groove 40)
It should be understood that steps S621 and S710 may be performed simultaneously, that is, the array driving layer may be patterned to form partition units, through grooves, and concave grooves in the partition regions, so that the manufacturing process may be simplified. In addition, step S621 and step S710 may be performed separately, and the partition unit, the through groove, and the concave groove may be formed sequentially, or the partition unit may be formed first, and then the through groove and the concave groove are formed simultaneously, or the through groove and the concave groove may be formed first, and then the partition unit is completely or partially filled in the through groove and the concave groove, which is not specifically limited in this embodiment of the present application. The forming of the concave groove in the region of the substrate corresponding to the through groove may be performed by performing dry etching or wet etching on the substrate in the region of the substrate corresponding to the through groove, which is not specifically limited in this embodiment of the present invention.
In some embodiments, after S710, step S720 and step S730 may also be included.
S720: a light emitting layer is formed on the insulating layer. (see FIG. 8F, wherein, luminous layer 1111)
It should be understood that the concave groove may have a light emitting layer or not, and this is not particularly limited in the embodiments of the present application.
S730: an encapsulation layer is formed on the light emitting layer. (see FIG. 8G, wherein, encapsulation layer 730)
It should be understood that after step S730, laser cutting may be performed on the opening region, so as to form a through hole in the opening region (see fig. 8H), thereby facilitating installation of components such as a camera, an earphone, and the like in the opening region. The encapsulation protection layer 730 may be the encapsulation layer 1112 in the common film layer, or may be a combination of the encapsulation layer 1112 in the common film layer and the inorganic encapsulation layer 140, which is not particularly limited in this application.
According to the technical scheme provided by the embodiment of the application, through the step S621, the effect that the groove penetrates through the isolation area Cheng Guan is achieved, through the steps S622 and S710, the penetration groove and the concave groove are formed, and as the water oxygen enters the display area along the opening area, the path formed by the penetration groove and the concave groove is further increased in the path of the package, so that the path of the water oxygen entering the display area of the display panel is further prolonged. Through steps S622 to S623, the organic glue layer and the insulating layer are formed, and the organic glue layer and the insulating layer are additionally arranged in the longitudinal direction, i.e., the AA' direction, of the display panel, so that the path of water and oxygen entering the display area is prolonged in both the longitudinal direction and the transverse direction of the display panel. In addition, the organic adhesive layer is covered by the insulating layer, so that the organic adhesive layer can be protected by the insulating layer, the packaging capacity of the partition unit is improved, and water and oxygen are effectively prevented from transversely or longitudinally invading the display panel from the display panel. In addition, because a plurality of partition columns do not need to be additionally arranged in the transverse direction of the display panel, the number of the partition columns in the transverse direction is reduced, the width W of a partition area is further reduced, and the visual effect is improved.
It should be noted that the combination of the features in the present application is not limited to the combination described in the claims or the combination described in the embodiments, and all the features described in the present application may be freely combined or combined in any manner unless contradictory to each other.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modifications, equivalents and the like that are within the spirit and principle of the present application should be included in the scope of the present application.
Claims (6)
1. A display panel having an open area, a display area, and a blocking area between the open area and the display area, an electroluminescent device disposed in the display area, the electroluminescent device comprising a common film layer extending toward the blocking area, wherein the blocking area comprises:
the partition unit at least partially surrounds the opening area and is used for partitioning a shared film layer which is continuous from the display area to the partition area, wherein the partition unit is provided with a plurality of partition grooves which are overlapped according to a preset angle on the cross section of the partition unit, the cross section of the partition unit is in an axisymmetric pattern, the symmetry axis of the axisymmetric pattern is perpendicular to the display panel, the partition grooves are sequentially arranged along the symmetry axis, the partition grooves comprise a first partition groove and a second partition groove, the openings of the first partition groove are perpendicular to the symmetry axis, the first partition groove is overlapped on the second partition groove in the direction of the symmetry axis, and the through hole of the opening area is communicated with the first partition groove and the second partition groove which are close to the opening area; the depth of the first isolation groove is larger than or equal to that of the second isolation groove.
2. The display panel of claim 1, wherein the electroluminescent device comprises, in order of their stacking, an array driving layer, a first electrode layer, a light emitting layer, a second electrode layer, and an encapsulation layer disposed on the second electrode layer, and wherein the common film layer is one or more of the array driving layer, the light emitting layer, and the encapsulation layer.
3. The display panel according to claim 2, wherein the common film layer comprises a light emitting layer and an encapsulation layer.
4. The display panel according to any one of claims 1 to 3, wherein the partition grooves comprise an insulating layer and an inorganic encapsulation layer deposited on the insulating layer, and an organic glue layer is filled between two adjacent first partition grooves of the partition units; and an organic glue layer is filled between two adjacent second partition grooves of the partition units.
5. A display device characterized by comprising the display panel according to any one of claims 1 to 4.
6. A method for manufacturing a display panel, comprising:
providing a display module, wherein the display module comprises an opening area, a display area and a partition area between the opening area and the display area, and an electroluminescent device is arranged in the display area and comprises a common film layer extending to the partition area;
forming a partition unit at least partially surrounding the open area in the partition area, wherein the partition unit is used for partitioning a common film layer which is continuous from the display area to the partition area, the partition unit is provided with a plurality of partition grooves which are overlapped according to a preset angle on the cross section of the partition unit, the cross section of the partition unit is in an axisymmetric pattern, the symmetry axis of the axisymmetric pattern is perpendicular to the display panel, the partition grooves are sequentially arranged along the symmetry axis, the partition grooves comprise a first partition groove and a second partition groove, the openings of the first partition groove are perpendicular to the symmetry axis, the first partition groove is overlapped on the second partition groove in the symmetry axis direction, and the through hole of the open area is communicated with the first partition groove and the second partition groove which are close to the open area; the depth of the first isolation groove is larger than or equal to that of the second isolation groove.
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| CN113270559B (en) * | 2021-05-18 | 2022-09-23 | 昆山国显光电有限公司 | Display panel, manufacturing method of display panel and display device |
| CN115035797B (en) * | 2022-06-21 | 2024-05-28 | 合肥维信诺科技有限公司 | Display module and display device |
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