CN109273492A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109273492A CN109273492A CN201811003516.6A CN201811003516A CN109273492A CN 109273492 A CN109273492 A CN 109273492A CN 201811003516 A CN201811003516 A CN 201811003516A CN 109273492 A CN109273492 A CN 109273492A
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- layer
- display panel
- organic layer
- organic
- inorganic
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- 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
- H10K50/8445—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
Abstract
This application discloses a kind of display panel and display devices, the display panel includes: the inorganic layer and organic layer being stacked, wherein, also there is organically-modified layer between inorganic layer and organic layer, organically-modified layer is at least used to enhance the binding force between inorganic layer and organic layer.The application jointly obstructs water oxygen using inorganic layer, organic layer and organically-modified layer, organically-modified layer can be improved the filming performance of organic layer, enhance the binding force between inorganic layer and organic layer, it falls off and micro-crack so that display panel is not easy to occur in the process of bending film layer, to extend the service life of display panel.
Description
Technical field
This application involves field of display technology, it is specifically related to a kind of display panel and display device.
Background technique
For flexible Organic Light Emitting Diode (OLED) device, the packaging effect of thin-film packing structure directly affects it
Therefore how reliability and service life encapsulate flexible OLED devices efficiently to extend the service life of device, are current
The major issue faced.
And existing flexible OLED display panel encapsulating structure is that inorganic encapsulated layer and organic encapsulation layer are staggered, by
It is weaker in the adhesion strength of organic encapsulation layer and inorganic encapsulated interlayer, during bending fold, it is easy to happen removing, or even occur
Phenomena such as curling, micro-crack, accordingly, there exist the decline of water oxygen obstructing capacity, the low problems of flexible OLED display panel service life.
Summary of the invention
The application mainly solving the technical problems that provide a kind of display panel and display device, enhancing inorganic encapsulated layer and
Binding force between organic encapsulation layer falls off and micro-crack so that being not easy to occur film layer in display panel bending process, to prolong
The service life of long display panel.
In order to solve the above technical problems, the technical solution that the application uses is: providing a kind of display panel, the display
Panel includes: the inorganic layer and organic layer being stacked, wherein also there is organically-modified layer between inorganic layer and organic layer,
Organically-modified layer is at least used to enhance the binding force between inorganic layer and organic layer.
In order to solve the above technical problems, another technical solution that the application uses is: providing a kind of display device, this is aobvious
Showing device includes the display panel of driving circuit and any of the above-described, wherein driving circuit is used to provide driving to display panel
Voltage.
The beneficial effect of the application is: being in contrast to the prior art, the application utilizes inorganic layer, organic layer and organic
Modified layer jointly obstructs water oxygen, and organically-modified layer can be improved the filming performance of organic layer, enhances inorganic layer and organic
Binding force between layer falls off and micro-crack so that display panel is not easy to occur in the process of bending film layer, to extend display
The service life of panel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the application display panel first embodiment；
Fig. 2 is the structural schematic diagram of the application display panel second embodiment；
Fig. 3 is the structural schematic diagram of the application display panel third embodiment；
Fig. 4 is the structural schematic diagram of one embodiment of the application display device；
Fig. 5 is the flow diagram of one embodiment of the application display panel production method.
Fig. 6 is the flow diagram of an embodiment of S52 in Fig. 5.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of the application protection.
Currently, display panel is during bending fold, due to the binding force between organic encapsulation layer and inorganic encapsulated layer
It is weaker, it is easy to happen removing, or even phenomena such as curling, micro-crack occur, and then lead to the decline of water oxygen obstructing capacity and display surface
The low problem of plate service life.
In order to solve the above technical problems, the application provides a kind of display panel and preparation method thereof, display device, to make this
Purpose, technical solution and the technical effect of application definitely, it is clear, below to the application be further described, should manage
It solves specific implementation regulations described herein to be only used for explaining the application, is not used to limit the application.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of the application display panel first embodiment, which includes:
The inorganic layer 1 and organic layer 2 being stacked, wherein also there is organically-modified layer 3 between inorganic layer 1 and organic layer 2, it is organic
Modified layer 3 is at least for enhancing the binding force between inorganic layer 1 and organic layer 2.
The material of inorganic layer 1 can be silicon nitride, aluminium nitride, zirconium nitride, titanium nitride, tantalum nitride, titanium oxide, nitrogen oxidation
One of aluminium, silicon oxynitride are a variety of.The material of organic layer 2 can be epoxy resin, acryl resin, polyimides tree
One of rouge, polyethylene naphthalate, polyethylene terephthalate.
Organically-modified layer 3 can be good for adhesive force such as polyvinyl alcohol, polyethylene, polypropylene, polyester, polyvinylidene chloride
One of organic polymer films.As alternative embodiment, organically-modified layer 3 is polymer-modified high-barrier film layer.Change
Property polymer high-barrier film layer is and being modified to the organic polymer that some adhesive force are good or water oxygen obstructing capacity is strong
It obtains, polymer-modified high-barrier film layer is the organic polymer that water oxygen obstructing capacity is strong and adhesive force is good.
Polymer-modified high-barrier film layer is preferably the polyvinyl alcohol film layer of hydroxyl crosslinking.The polyvinyl alcohol film of hydroxyl crosslinking
Layer with a thickness of 5~10 μm, wherein the polyvinyl alcohol film layer of hydroxyl crosslinking is preferably 8 μm, inorganic layer and is had preferably to enhance
Binding force between machine layer, and reduce inter-laminar stress.Inventors have found that in thin-film encapsulation layer, the polyvinyl alcohol of hydroxyl crosslinking
Film layer not only has high resistant water oxygen performance, and also fine to the adherence of organic layer and inorganic layer, to improve inorganic layer
With the binding force of organic interlayer, and help to reduce film layer in display panel bending process fall off, micro-crack etc..
In the present embodiment, organically-modified layer 3 is set between inorganic layer 1 and organic layer 2, due to the organically-modified layer
3 adhesive force are good, can enhance the binding force between inorganic layer 1 and organic layer 2, while guaranteeing packaging effect, improve display
The flexibility of panel encapsulating structure.
Organic layer 2 is formed in the polyvinyl alcohol film layer of hydroxyl crosslinking by way of inkjet printing.Inventors have found that logical
Aforesaid way is crossed, the filming performance of organic layer 2 can be enhanced, further enhances the binding force between inorganic layer 1 and organic layer 2,
To reduce film inter-laminar stress, packaging effect is promoted.
It is different from the prior art, display panel is jointly right using inorganic layer, organic layer and organically-modified layer in the present embodiment
Water oxygen is obstructed, and organically-modified layer can enhance the binding force between inorganic layer and organic layer, so that display panel is folded over
It is not easy to occur film layer in journey to fall off and micro-crack, to extend the service life of display panel.
Referring to Fig. 2, Fig. 2 is the structural schematic diagram of the application display panel second embodiment.In the present embodiment,
The display panel includes the substrate 4 being stacked, luminescent layer 5, the first inorganic layer 11, organically-modified layer 3, organic layer 2, the second nothing
Machine layer 12.Organically-modified layer 3 is set between the first inorganic layer 11 and organic layer 2, at least for enhancing the first inorganic layer 1 and having
Binding force between machine layer 2.
Substrate 4 is the flexible TFT substrate with substrate.The material of substrate can be polyimides, polycarbonate, gather to benzene
One of organic polymers such as naphthalate, polyether sulfone substrate.
First inorganic layer 11, the second inorganic layer 12 material can be silicon nitride, aluminium nitride, zirconium nitride, titanium nitride, nitridation
One of tantalum, titanium oxide, aluminum oxynitride, silicon oxynitride are a variety of.The material of organic layer 2 can be epoxy resin, methacrylaldehyde
One of base resin, polyimide resin, polyethylene naphthalate, polyethylene terephthalate.
Specifically, the first inorganic layer 11 is arranged on luminescent layer 5, so that the surface of the first inorganic layer 11 covering luminescent layer 5
And its peripheral region.Wherein, the first inorganic layer 11 must combine closely in forming process with the substrate 4 of luminescent layer 5, the process
It generally completes at a lower temperature, and to avoid the damage to luminescent layer 5 as far as possible.The region and the of second inorganic layer 12 covering
The region of one inorganic layer 11 covering is identical.
Organically-modified layer 3 can be good for adhesive force such as polyvinyl alcohol, polyethylene, polypropylene, polyester, polyvinylidene chloride
One of organic polymer films.As alternative embodiment, organically-modified layer 3 is polymer-modified high-barrier film layer.Change
Property polymer high-barrier film layer is and being modified to the organic polymer that some adhesive force are good or water oxygen obstructing capacity is good
It obtains, polymer-modified high-barrier film layer is the organic polymer that water oxygen obstructing capacity is strong and adhesive force is good.
Polymer-modified high-barrier film layer is preferably the polyvinyl alcohol film layer of hydroxyl crosslinking.The polyvinyl alcohol film of hydroxyl crosslinking
Layer thickness can be 5~10 μm, wherein hydroxyl crosslinking polyvinyl alcohol film layer be preferably 8 μm, with preferably enhance inorganic layer and
Binding force between organic layer, and reduce inter-laminar stress.Inventors have found that in thin-film encapsulation layer, modified polyvinyl alcohol
Film layer not only has high resistant water oxygen performance, and also fine to the adherence of organic layer and inorganic layer, to improve inorganic layer
With the binding force of organic interlayer, and help to reduce film layer in display panel bending process fall off, micro-crack etc..
In the present embodiment, the adhesive force of organically-modified layer 3 is good, is set between the first inorganic layer 11 and organic layer 2,
The binding force between the first inorganic layer 11 and organic layer 2 can be enhanced, while guaranteeing packaging effect, improve display panel envelope
The flexibility of assembling structure.
Optionally, organically-modified layer also can be set between organic layer 2 and the second inorganic layer 12, to enhance organic layer 2
And the second binding force between inorganic layer 12 promotes packaging effect further to reduce film inter-laminar stress.
Organic layer 2 is formed in the polyvinyl alcohol film layer of hydroxyl crosslinking by way of inkjet printing.Inventors have found that oily
Ink is strong to the adhesive force for the polyvinyl alcohol film layer that hydroxyl is crosslinked, by the above-mentioned means, the filming performance of organic layer can be enhanced, into
One step enhances the binding force between inorganic layer and organic layer, to reduce film inter-laminar stress, promotes packaging effect.
Be different from the prior art, present embodiment by between inorganic layer and organic layer introduce water oxygen obstructing capacity by force and
The good organically-modified layer of adhesive force, and the characteristic strong to the adhesive force of organically-modified layer using ink, promoting inkjet printing has
The filming performance of machine layer enhances the binding force between organic layer and inorganic layer, improves the water oxygen obstructing capacity of display panel,
To extend the service life of display panel.
Referring to Fig. 3, Fig. 3 is the structural schematic diagram of the application display panel third embodiment.Present embodiment and aobvious
Show that the difference of panel second embodiment is, if the organic layer 2 in present embodiment is equipped with far from the side of organically-modified layer 3
Dry groove 6, the filling of the second inorganic layer 12 cover several grooves 6.In this way, organic layer 2 and the second inorganic layer 12 can be increased
Between contact area, and then enhance the binding force between organic layer 2 and the second inorganic layer 12, reduce film inter-laminar stress, promoted
Packaging effect.
The ratio of the thickness of the depth and organic layer 2 of groove 6 is 0.02~0.04, and the depth of groove 6 can be 200-
400nm.Optionally, the depth and width of groove 6 can be presented incremental or regular at equal intervals with the distance of luminous zone, groove 6
Top edge width can be with 100-200nm, and lower edge width can be 200-300nm, to further enhance the second inorganic layer and organic
Binding force between layer, and reduce film inter-laminar stress.
Optionally, the cross section of groove 6 can be the other shapes such as rectangle, square, ellipse, random geometry
One of or it is a variety of.In the present embodiment, the cross section of groove 6 is preferably semicircle, and semi-circular contact area is bigger, can be more
Enhance the binding force between the second inorganic layer and organic layer well, and reduces film inter-laminar stress.
Be different from the prior art, present embodiment by between inorganic layer and organic layer introduce water oxygen obstructing capacity by force and
The good organically-modified layer of adhesive force, and it is strong to the adhesive force of organically-modified layer using ink, improve inkjet printing organic layer
Filming performance enhances the binding force between organic layer and the first inorganic layer.It particularly, can by introducing groove in organic layer
Increase the binding force between organic layer and the second inorganic layer, reduce film inter-laminar stress, improves the water oxygen barrier energy of display panel
Power, to extend the service life of display panel.
Referring to Fig. 4, Fig. 4 is the structural schematic diagram of one embodiment of the application display device, which includes
Driving circuit and the display panel of any of the above-described embodiment 42, wherein driving circuit is used to provide driving to display panel 42
Voltage.
Display panel 42 in the present embodiment includes: the first inorganic layer 11, organically-modified layer 3, the organic layer 2 being stacked
With the second inorganic layer 12, wherein organically-modified layer 3 is at least for enhancing the binding force between the first inorganic layer 1 and organic layer 2.
The adhesive force of organically-modified layer 3 is good, can enhance the binding force between inorganic layer and organic layer 2, while guaranteeing packaging effect,
Improve the flexibility of display panel package structure.
Organically-modified layer 3 can be good for adhesive force such as polyvinyl alcohol, polyethylene, polypropylene, polyester, polyvinylidene chloride
One of organic polymer films.As alternative embodiment, organically-modified layer 3 is polymer-modified high-barrier film layer.Change
Property polymer high-barrier film layer is and being modified to the organic polymer that some adhesive force are good or water oxygen obstructing capacity is good
It obtains, polymer-modified high-barrier film layer is the organic polymer that water oxygen obstructing capacity is strong and adhesive force is good.
Polymer-modified high-barrier film layer is preferably the polyvinyl alcohol film layer of hydroxyl crosslinking.
Organic layer 2 is formed in the polyvinyl alcohol film layer of hydroxyl crosslinking by way of inkjet printing.Inventors have found that oily
Ink is strong to the adhesive force for the polyvinyl alcohol film layer that hydroxyl is crosslinked, by the above-mentioned means, the filming performance of organic layer can be enhanced, into
One step enhances the binding force between inorganic layer and organic layer, to reduce film inter-laminar stress, promotes packaging effect.
Optionally, organic layer 2 is equipped with several grooves 6, the filling covering of the second inorganic layer 12 far from the side of organically-modified layer 3
Several grooves 6.In this way, the contact area between organic layer 2 and the second inorganic layer 12 can be increased, and then enhance organic layer
2 and the second binding force between inorganic layer 12, reduce film inter-laminar stress, promotes packaging effect.
It is different from the prior art, display device utilizes the first inorganic layer, organically-modified layer, the second inorganic layer in the present embodiment
Combined barrier water oxygen, organically-modified layer can enhance the binding force between inorganic layer and organic layer, and using ink to organic
The strong characteristic of the adhesive force of modified layer promotes the filming performance of inkjet printing organic layer, enhances organic layer and the first inorganic layer
Between binding force.Particularly, by introducing groove in organic layer, the combination between organic layer and the second inorganic layer can be increased
Power further decreases film inter-laminar stress, improves the water oxygen obstructing capacity of display panel, to extend the use longevity of display panel
Life.
Referring to Fig. 5, Fig. 5 is the flow diagram of one embodiment of production method of the application display panel, this method
Include:
S51: substrate is provided.
Substrate is the flexible TFT substrate with substrate, and the material of substrate can be polyimides, polycarbonate, gather to benzene
One of organic polymers such as naphthalate, polyether sulfone substrate.
S52: sequentially forming luminescent layer, the first inorganic layer, organically-modified layer, organic layer and the second inorganic layer on substrate,
Wherein, organically-modified layer is at least used to enhance the binding force between the first inorganic layer and organic layer.
Specifically, include following sub-step refering to Fig. 6, S52:
S521: in substrate, vacuum evaporation luminescent layer.
S522: on substrate and luminescent layer, it is inorganic that first is formed by atomic layer deposition or chemical vapor deposition process
Layer, so that the surface and its peripheral region of the first inorganic layer covering luminescent layer.
The material of first inorganic layer can be silicon nitride, aluminium nitride, zirconium nitride, titanium nitride, tantalum nitride, titanium oxide, nitrogen oxygen
Change one of aluminium, silicon oxynitride or a variety of.
Wherein, the first inorganic layer in forming process must in conjunction with the substrates into intimate of luminescent layer, the process generally compared with
It is completed under low temperature, and to avoid the damage to luminescent layer as far as possible.
S523: organic modified layer, organically-modified layer covering are formed by rubbing methods such as such as spin-coating method, spray coating method, dip coatings
First inorganic layer.
Organically-modified layer can be good for adhesive force such as polyvinyl alcohol, polyethylene, polypropylene, polyester, polyvinylidene chloride
One of organic polymer films.As alternative embodiment, organically-modified layer includes polymer-modified high-barrier film layer.Change
Property polymer high-barrier film layer is and being modified to the organic polymer that some adhesive force are good or water oxygen obstructing capacity is good
It obtains, polymer-modified high-barrier film layer is the organic polymer that water oxygen obstructing capacity is strong and adhesive force is good.
Polymer-modified high-barrier film layer is preferably the polyvinyl alcohol film layer of hydroxyl crosslinking.The polyvinyl alcohol film of hydroxyl crosslinking
Layer thickness can be 5~10 μm, wherein hydroxyl crosslinking polyvinyl alcohol film layer be preferably 8 μm, with preferably enhance inorganic layer and
Binding force between organic layer, and reduce inter-laminar stress.
Inventors have found that the polyvinyl alcohol film layer of hydroxyl crosslinking has the good characteristic of adhesive force, can enhance inorganic layer and
Binding force between organic layer improves the flexibility of display panel package structure while guaranteeing packaging effect.
S524: forming organic layer by way of inkjet printing, and organic layer covers organic modified layer.
The material of organic layer can be epoxy resin, acryl resin, polyimide resin, poly- naphthalenedicarboxylic acid ethylene glycol
One of ester, polyethylene terephthalate.Optionally, the polyvinyl alcohol being crosslinked in organic layer far from hydroxyl using idler wheel
Several grooves are made in the side of film layer, in this way, can increase the contact area between organic layer and the second inorganic layer, and then enhance
Binding force between organic layer and the second inorganic layer reduces film inter-laminar stress, promotes packaging effect.
Organic layer is formed in the polyvinyl alcohol film layer of hydroxyl crosslinking by way of inkjet printing.Inventors have found that oily
Ink is strong to the adhesive force for the polyvinyl alcohol film layer that hydroxyl is crosslinked, by the above-mentioned means, the filming performance of organic layer can be enhanced, into
One step enhances the binding force between inorganic layer and organic layer, to reduce film inter-laminar stress, promotes packaging effect.
S525: the second inorganic layer is formed by chemical vapour deposition technique, the second inorganic layer covers organic layer, the second inorganic layer
It is identical as the overlay area of the first inorganic layer；Optionally, organic layer of groove is completely covered in the second inorganic layer.
The material of second inorganic layer can be silicon nitride, aluminium nitride, zirconium nitride, titanium nitride, tantalum nitride, titanium oxide, nitrogen oxygen
Change one of aluminium, silicon oxynitride or a variety of.
The ratio of the thickness of the depth and organic layer of groove is 0.02~0.04, and the depth of groove can be 200-400nm.It can
Incremental or regular at equal intervals, the top edge width of groove can be presented in selection of land, the depth and width of groove with the distance of luminous zone
Can be with 100-200nm, lower edge width can be 200-300nm, to further enhance the knot between the second inorganic layer and organic layer
With joint efforts, and reduce film inter-laminar stress.
Optionally, the cross section of groove can be the other shapes such as rectangle, square, ellipse, random geometry
One of or it is a variety of.In the present embodiment, the cross section of groove is preferably semicircle, and semi-circular contact area is bigger, can be more
Enhance the binding force between the second inorganic layer and organic layer well, and reduces film inter-laminar stress.
It is different from the prior art, the first inorganic layer, organically-modified layer, organic layer, the second inorganic layer is utilized in the present embodiment
Combined barrier water oxygen, organically-modified layer can enhance the binding force between inorganic layer and organic layer, and using ink to organic
The adhesive force of modified layer is strong, improves the film forming of inkjet printing organic layer, enhances between organic layer and the first inorganic layer
Binding force.Particularly, by introducing groove in organic layer, the binding force between organic layer and the second inorganic layer can be increased, subtracted
Membranelle inter-laminar stress improves the water oxygen obstructing capacity of display panel, to extend the service life of display panel.
The foregoing is merely the section Examples of the application, are not intended to limit the protection scope of the application, all utilizations
Equivalent device made by present specification and accompanying drawing content or equivalent process transformation are applied directly or indirectly in other correlations
Technical field, similarly include in the scope of patent protection of the application.
Claims (10)
1. a kind of display panel characterized by comprising
The inorganic layer and organic layer being stacked,
Wherein, also there is organically-modified layer between the inorganic layer and organic layer, the organically-modified layer is at least used to enhance
Binding force between the inorganic layer and the organic layer.
2. display panel according to claim 1, which is characterized in that the organically-modified layer is the polyethylene of hydroxyl crosslinking
Alcohol film layer.
3. display panel according to claim 2, which is characterized in that the thickness of the polyvinyl alcohol film layer of the hydroxyl crosslinking
It is 5~10 μm.
4. display panel according to claim 2, which is characterized in that the organic layer is formed by way of inkjet printing
In in the polyvinyl alcohol film layer of hydroxyl crosslinking.
5. display panel according to claim 2, which is characterized in that the poly- second that the organic layer is crosslinked far from the hydroxyl
The side of enol film layer is equipped with several grooves.
6. display panel according to claim 5, which is characterized in that the cross section of the groove is semicircle.
7. display panel according to claim 5 or 6, which is characterized in that the depth of the groove and the organic layer
The ratio between thickness is 0.02~0.04.
8. display panel according to claim 2 characterized by comprising
The first inorganic layer for being stacked, the polyvinyl alcohol film layer of hydroxyl crosslinking, organic layer, the second inorganic layer, wherein the hydroxyl
The polyvinyl alcohol film layer of base crosslinking is at least used to enhance the binding force between first inorganic layer and the organic layer.
9. display panel according to claim 8, which is characterized in that the region of second inorganic layer covering and described the
The region of one inorganic layer covering is identical.
10. a kind of display device, which is characterized in that including driving circuit and such as the described in any item display surfaces of claim 1-9
Plate, wherein the driving circuit is used to provide driving voltage to the display panel.
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| CN112599704A (en) * | 2020-12-14 | 2021-04-02 | 武汉华星光电半导体显示技术有限公司 | Display panel and manufacturing method thereof |
| CN112599704B (en) * | 2020-12-14 | 2022-07-12 | 武汉华星光电半导体显示技术有限公司 | Display panel and manufacturing method thereof |
| CN112599032A (en) * | 2020-12-29 | 2021-04-02 | Oppo广东移动通信有限公司 | Display screen, display screen assembly and electronic device |
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