CN110098226A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN110098226A CN110098226A CN201910321512.0A CN201910321512A CN110098226A CN 110098226 A CN110098226 A CN 110098226A CN 201910321512 A CN201910321512 A CN 201910321512A CN 110098226 A CN110098226 A CN 110098226A
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- layer
- area
- display panel
- barricade
- oxygen
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The present invention provides a kind of display panel and display devices, the second area including first area and the encirclement first area；The display panel and display device include pixel layer, and the pixel layer includes multiple luminescent devices, and the multiple luminescent device is arranged in the first area；At least one barricade, the dams setting is in the second area, and the constituent of the barricade includes discoloration particle, and metachromasia occurs for the discoloration particle contact water or oxygen, to have detected whether that water or oxygen enter in the luminescent device；The efficiency of the packaging effect of verifying oled panel can be improved in the invention.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of display panel and display device.
Background technique
OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) display device have it is light-weight,
The advantages that thickness is thin, flexible, angular field of view is big, but OLED material encounters water oxygen and is easy rapid decay and aging, therefore
The encapsulation technology of oled panel is critically important.
The method of the packaging effect of currently used verifying oled panel is that packaged oled panel is put into high temperature
High humidity environment is packaged verifying, but it is bad to will cause the waste of OLED material, verification the verifying results in this way.
In conclusion it is necessary to provide a kind of display panels of the efficiency of packaging effect that verifying oled panel can be improved
And display device.
Summary of the invention
The purpose of the present invention is to provide a kind of display panels and a kind of display device, by the constituent of barricade
The discoloration particle of metachromasia can occur for addition contact water or oxygen, to have detected whether that water or oxygen enter the hair
In optical device, solves the problems, such as the inefficiency of the packaging effect of existing verifying oled panel.
The embodiment of the present invention provides a kind of display panel comprising first area and the secondth area for surrounding the first area
Domain, the display panel include pixel layer, and the pixel layer includes:
Multiple luminescent devices, the multiple luminescent device are arranged in the first area；
At least one barricade, for the dams setting in the second area, the constituent of the barricade includes discoloration
Metachromasia occurs for particle, the discoloration particle contact water or oxygen, to have detected whether that water or oxygen enter the hair
In optical device.
In one embodiment, the metachromatic granule attached bag includes at least one of anhydrous cupric sulfate, ferrous sulfate.
In one embodiment, the display panel further include:
Encapsulated layer, the encapsulated layer are set on the pixel layer, and the encapsulated layer includes at least one be arranged alternatively up and down
Organic layer and at least an inorganic layer, the inorganic layer are located at the first area and the second area, and the organic layer is located at
The first area.
In one embodiment, the composition material of the inorganic layer includes at least one in SiNx, SiOx, SiOxNy, AlOx
Kind, wherein x, y are positive integer.
In one embodiment, the composition material of the organic layer includes acrylate, Hexamethyldisiloxane, Alucone
At least one of.
The embodiment of the present invention also provides a kind of display device, and the display device includes display panel, the display panel
Second area including first area and the encirclement first area, the display panel includes pixel layer, the pixel layer packet
It includes:
Multiple luminescent devices, the multiple luminescent device are arranged in the first area；
At least one barricade, for the dams setting in the second area, the constituent of the barricade includes discoloration
Metachromasia occurs for particle, the discoloration particle contact water or oxygen, to have detected whether that water or oxygen enter the hair
In optical device.
In one embodiment, the metachromatic granule attached bag includes at least one of anhydrous cupric sulfate, ferrous sulfate.
In one embodiment, the display panel further include:
Encapsulated layer, the encapsulated layer are set on the pixel layer, and the encapsulated layer includes at least one be arranged alternatively up and down
Organic layer and at least an inorganic layer, the inorganic layer are located at the first area and the second area, and the organic layer is located at
The first area.
In one embodiment, the composition material of the inorganic layer includes at least one in SiNx, SiOx, SiOxNy, AlOx
Kind, wherein x, y are positive integer.
In one embodiment, the composition material of the organic layer includes acrylate, Hexamethyldisiloxane, Alucone
At least one of.
The present invention provides a kind of display panel and a kind of display device, the display panel and display device include the firstth area
Domain and the second area for surrounding the first area, the display panel includes pixel layer, and the pixel layer includes being arranged in institute
At least one barricade stating multiple luminescent devices in first area and being arranged in the second area, by the barricade
Constituent in addition contact water or oxygen the discoloration particle of metachromasia can occur, to have detected whether water or oxygen
It enters in the luminescent device, improves the efficiency of the packaging effect of verifying oled panel.
Detailed description of the invention
Below by attached drawing, invention is further explained.It should be noted that the accompanying drawings in the following description is only
Explanation some embodiments of the present invention are only for not make the creative labor for those skilled in the art
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of schematic top plan view of display panel structure provided in an embodiment of the present invention.
Fig. 2 is a kind of diagrammatic cross-section of display panel structure provided in an embodiment of the present invention.
Fig. 3 is the diagrammatic cross-section of another display panel structure provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, the instructions such as term " on ", "lower", "left", "right", " close "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, for example, "upper" is surface above object, specifically
Reference surface, oblique upper, upper surface are ok, as long as occuping on object level, "lower", "left", "right" can join
It is admitted to the understanding stated about "upper"；In comparison " close " then refers to, and the smaller side of target range, with upper position or position
The relationship of setting is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, it should also be noted that, attached drawing offer is only and Relationship Comparison of the present invention close structure and/or step
Suddenly, some and little details of inventive relationship is omitted, it is therefore intended that simplify attached drawing, keeps inventive point very clear, rather than table
Bright device in practice and/or method are exactly and attached drawing is the same, not as the limitation of device in practice and/or method.
The present invention provides a kind of display device, and the display device includes but is not limited to as in the illustrated embodiment of figs. 1-3
Display panel.
The present invention provides a kind of display panel, as shown in Figure 1, the display panel 100 includes first area 200 and surrounds
The second area 300 of the first area 200, the first area 200 is for showing, the second area 300 is for placing
Metal wire or component.As shown in connection with fig. 2, the display panel 100 includes pixel layer 101, and the pixel layer 101 includes more
A luminescent device 1011 and at least one barricade 1012, wherein the multiple luminescent device 1011 is arranged in the first area
In 200, the barricade 1012 is arranged in the second area 300.
Particularly, the constituent of the barricade 1012 includes discoloration particle 10121, and the discoloration particle 10121 contacts
Metachromasia occurs for water or oxygen, and whether can detecte has water or oxygen to enter in the luminescent device 1011.For example, institute
Stating discoloration particle may include at least one of anhydrous cupric sulfate, ferrous sulfate.Wherein, it is blue to meet water oxygen change for anhydrous cupric sulfate
Color, ferrous sulfate meet water oxygen flavescence color.It should be understood that on the one hand, the discoloration particle 10121 meets water or oxygen generates change
Color phenomenon can be turned yellow intuitively by the color change of the barricade 1012, such as the color of the barricade 1012 very much
And/or blue, it can be determined that whether there is water or oxygen to enter in the luminescent device 1011, therefore detecting institute can be improved
State the packaging effect efficiency of display panel 100；On the other hand, the discoloration particle 10121 meets water or oxygen generates discoloration now
As that is, described discoloration particle 10121 can delay in conjunction with water perhaps oxygen to a certain extent described in water or oxygen invasion
The speed of luminescent device 1011, therefore the waste of the luminescent device 1011 can be reduced.
In one embodiment, the organic principle in the constituent of the discoloration particle 10121 can include but is not limited to
The material of parylene class.It should be understood that the constituent of the multiple discoloration particle 10121 can be just the same, or
The constituent of the multiple discoloration particle 10121 not exclusively can also please refer to following embodiment.For example, described more
The constituent of a discoloration particle 10121 can be the mixture of anhydrous cupric sulfate, parylene and other same substance,
Or the constituent of the multiple discoloration particle 10121 can be ferrous sulfate, parylene and other same substance
Mixture or it is the multiple discoloration particle 10121 constituent can be anhydrous cupric sulfate, ferrous sulfate,
The mixture of parylene and other same substance.In another example in the multiple discoloration particle 10121, some discoloration
The constituent of particle 10121 can be the mixture of anhydrous cupric sulfate, parylene and other same substance, other one
The constituent of part discoloration particle 10121 can be the mixture of ferrous sulfate, parylene and other same substance.
In one embodiment, as shown in Figure 1, 2, the second area 300 of the display panel 100 is provided with two rectangle shapes
The barricade 1012 of the annular of shape.It should be noted that the barricade 1012 is the surrounding for being centered around the first area 200
And it is arranged, it is therefore intended that prevent the organic layer in the display panel 100 from flowing out the overlay area of inorganic layer, therefore the barricade
1012 shape and quantity can be arranged according to the concrete condition of organic layer, inorganic layer, for example, the shape of the barricade 1012
It can be circular ring shape, the height of the barricade 1012 can be consistent with the sum of the height of organic layer, inorganic layer, the barricade 1012
Quantity can be one or more than two, such as Fig. 3 is provided with three in the second area 300 of the display panel 100
The barricade 1012.It should be understood that the barricade 1012 can be by including at least one of exposure, development, coining side
Method preparation.
In one embodiment, as shown in Fig. 2, the display panel 100 further includes array substrate 103, is arranged in the battle array
Flatness layer 104 on column substrate 103 and the anode layer 105 being arranged on the flatness layer 104.
Wherein, the array substrate 103 can be made as transparent substrate, such as can use and be not limited to the transparent of glass
Material, and thin-film transistor circuit is made above it；The flatness layer 104 can be made of organic material, such as can
To prepare using with the identical material of the barricade 1012, the flatness layer 104 has isolated film transistor circuit and pixel
Layer effect and have the effect for preventing electric jamming；The anode layer 105 can be a flood anode film layer, be also possible to
The multiple anode blocks being correspondingly arranged with the luminescent device 1011, the picture of the anode layer 105 and the thin-film transistor circuit
Plain electrode connection supplies the corresponding luminescent device 1011 and is used for work, the anode layer 105 can to obtain anode voltage
With using translucent material perhaps reflecting material with specific reference to the display panel 100 be bottom emission type or top emission type
It determines.
In one embodiment, the pixel layer 101 further includes multiple pixel definition portions 1013, the pixel definition portion 1013
It is arranged in the first area 200, forms multiple gaps between the multiple pixel definition portion 1013, carries described shine
Device 1011, the pixel definition portion 1013 can be made of organic material, such as can be used and 1012 phase of barricade
Same material preparation, such as parylene class material.It should be understood that the pixel definition portion 1013 can be by exposing, showing
The production of at least one of the processes such as shadow process.
It should be noted that the pixel layer 101 includes the pixel definition portion 1013, the photophore from the above
Part 1011 and the barricade 1012, wherein since the pixel definition portion 1013 and the barricade 1012 can use complete phase
Same material preparation, therefore the pixel definition portion 1013 and the barricade 1012 can expose, develop etc. by passing through simultaneously
Process preparation, improves preparation efficiency.It is replaceable, it can be used not exclusively when stating pixel definition portion 1013 and the barricade 1012
When prepared by identical material, the pixel definition portion 1013 and the barricade 1012 can pass through the works such as exposure, development with timesharing
Sequence preparation.Wherein, since the luminescent device 1011 is made generally by CVD method and/or atomic layer deposition method
It is standby, and by the chemical reaction between gas come deposition film during, be difficult to add on the discoloration particle 10121 in technique
It is added in film layer, therefore does not include the discoloration particle 10121 in the luminescent device 1011.
In one embodiment, as shown in Fig. 2, the display panel 100 further includes cathode layer 106, the cathode layer 106 is set
In on the pixel layer 101, specifically, the cathode layer 106 is arranged in the pixel definition portion 1013 and the photophore
1011 top of part, the cathode layer 106 can be a flood cathode film layer, and the cathode layer 106 can connect to a low level,
For supplying the corresponding luminescent device 1011 with low level.
In one embodiment, as shown in Fig. 2, the display panel 100 further includes encapsulated layer 102, the encapsulated layer 102 is set
In on the pixel layer 101 and the cathode layer 106, the encapsulated layer 102 include be arranged alternatively up and down it is at least one organic
Layer 1021 and at least one inorganic layer 1022, the inorganic layer 1022 are located at the first area 200 and the second area 300,
The organic layer 1021 is located at the first area 200.
Specifically, as shown in Fig. 2, the encapsulated layer 102 is set to the cathode layer 106, anode layer 105, described flat
On smooth layer 104 and the barricade 1012, the specific structure of the encapsulated layer 102 includes but is not limited to following embodiment.
In one embodiment, the encapsulated layer 102 includes an inorganic layer 1022 and an organic layer 1021；It is described
Inorganic layer 1022 is set on the cathode layer 106, the anode layer 105, the flatness layer 104 and the barricade 1012, institute
Organic layer 1021 is stated on the inorganic layer 1022；The inorganic layer 1022 is located at the first area 200 and described second
Region 300, the organic layer 1021 are located at the first area 200.
In one embodiment, the encapsulated layer 102 includes organic layer 1021 described in the m layers of inorganic layer 1022 and n-layer,
Middle m is the positive integer more than or equal to 2, and n is the positive integer more than or equal to 1, and (m-n) is equal to 0 or 1；Described 1st layer described inorganic
Layer 1022 is set on the cathode layer 106, the anode layer 105, the flatness layer 104 and the barricade 1012, and the described 2nd
~m layers of the inorganic layer 1022 is respectively correspondingly arranged in the described 1st~(m-1) the layer organic layer 1021 and the 1st~(m-
1) on the layer inorganic layer 1022；Organic layer 1021 described in the 1~n-layer is respectively correspondingly arranged in nothing described in the 1~n-layer
On machine layer 1022.
Specifically, in one embodiment, work as m=2, when n=1, as shown in Fig. 2, the encapsulated layer 102 includes described in 2 layers
The inorganic layer 1022 and 1 layer organic layer 1021, wherein the 1st layer of inorganic layer 1022 is set to the cathode layer 106, institute
It states on anode layer 105, the flatness layer 104 and the barricade 1012, the 2nd layer of inorganic layer 1022 is set to described the
On 1 layer of organic layer 1021 and the 1st layer of inorganic layer 1022；The 1st layer of organic layer 1021 is set to institute
It states on the 1st layer of inorganic layer 1022.
Specifically, in one embodiment, work as m=3, when n=2, as shown in figure 3, the encapsulated layer 102 includes described in 3 layers
The inorganic layer 1022 and 2 layer organic layer 1021, wherein the 1st layer of inorganic layer 1022 is set to the cathode layer 106, institute
It states on anode layer 105, the flatness layer 104 and the barricade 1012, the 2nd layer of inorganic layer 1022 is set to described the
On 1 layer of organic layer 1021 and the 1st layer of inorganic layer 1022, the 3rd layer of inorganic layer 1022 is set to institute
It states on the 2nd layer of organic layer 1021 and the 2nd layer of inorganic layer 1022；The 1st layer of organic layer 1021 is set
In on the 1st layer of inorganic layer 1022, the 2nd layer of organic layer 1021 is set to the 2nd layer of inorganic layer
On 1022.
It should be understood that since the encapsulated layer 102 includes at least organic layer 1021 that is arranged alternatively up and down and at least
One inorganic layer 1022, and with the cathode layer 106, the anode layer 105, the flatness layer 104 and the barricade 1012
What is directly contacted is to state inorganic layer 1022, therefore the value of the m and n has one-to-one relationship, i.e., the described inorganic layer 1022
The number of plies than the organic layer 1021 the number of plies more than one or the inorganic layer 1022 the number of plies and the organic layer 1021 layer
Number is equal, the specific number of plies of the organic layer 1021 and the inorganic layer 1022 can according to the display panel 100 other
Film layer situation determines.
Wherein, the main function of the inorganic layer 1022 is exclusion of water and oxygen, prevents water and oxygen from invading described shine
Device 1011, the main function of the organic layer 1021 are enwrapped granule, sustained release stress.Specifically, the composition of the inorganic layer
Material may include at least one of SiNx, SiOx, SiOxNy, AlOx, wherein x, y are positive integer；The organic layer
Composition material may include at least one of acrylate, Hexamethyldisiloxane, Alucone.It should be understood that the nothing
Machine layer 1022 can be described organic by including prepared by least one of CVD method, atomic layer deposition method technique
Layer 1021 can be by including prepared by least one of ink jet printing method, dotting glue method, CVD method technique.
The present invention provides a kind of display panel and display device, the display panel and display device include first area
With the second area for surrounding the first area, the display panel includes pixel layer, and the pixel layer includes being arranged described
Multiple luminescent devices in first area and at least one barricade being arranged in the second area, by the barricade
The discoloration particle of metachromasia can occur for addition contact water or oxygen in constituent, with detected whether water or oxygen into
Enter into the luminescent device, improves the efficiency of the packaging effect of verifying oled panel.
It is provided for the embodiments of the invention a kind of display panel above and display device is described in detail, herein
In apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to sides
Assistant solves technical solution of the present invention and its core concept；Those skilled in the art should understand that: it still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features；And this
It modifies or replaces, the range of the technical solution for various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of display panel, which is characterized in that the display panel includes first area and surrounds the of the first area
Two regions, the display panel include pixel layer, and the pixel layer includes:
Multiple luminescent devices, the multiple luminescent device are arranged in the first area；
At least one barricade, for the dams setting in the second area, the constituent of the barricade includes discoloration particle,
Metachromasia occurs for the discoloration particle contact water or oxygen, to have detected whether that water or oxygen enter the luminescent device
In.
2. display panel as described in claim 1, which is characterized in that it is sub- that the metachromatic granule attached bag includes anhydrous cupric sulfate, sulfuric acid
At least one of iron.
3. display panel as described in claim 1, which is characterized in that the display panel further include:
Encapsulated layer, the encapsulated layer are set on the pixel layer, the encapsulated layer include be arranged alternatively up and down it is at least one organic
Layer and an at least inorganic layer, the inorganic layer are located at the first area and the second area, and the organic layer is located at described
First area.
4. display panel as claimed in claim 3, which is characterized in that the composition material of the inorganic layer include SiNx, SiOx,
At least one of SiOxNy, AlOx, wherein x, y are positive integer.
5. display panel as claimed in claim 3, which is characterized in that the composition material of the organic layer include acrylate,
At least one of Hexamethyldisiloxane, Alucone.
6. a kind of display device, which is characterized in that the display device includes display panel, and the display panel includes the firstth area
Domain and the second area for surrounding the first area, the display panel includes pixel layer, and the pixel layer includes:
Multiple luminescent devices, the multiple luminescent device are arranged in the first area；
At least one barricade, for the dams setting in the second area, the constituent of the barricade includes discoloration particle,
Metachromasia occurs for the discoloration particle contact water or oxygen, to have detected whether that water or oxygen enter the luminescent device
In.
7. display device as claimed in claim 6, which is characterized in that it is sub- that the metachromatic granule attached bag includes anhydrous cupric sulfate, sulfuric acid
At least one of iron.
8. display device as claimed in claim 6, which is characterized in that the display panel further include:
Encapsulated layer, the encapsulated layer are set on the pixel layer, the encapsulated layer include be arranged alternatively up and down it is at least one organic
Layer and an at least inorganic layer, the inorganic layer are located at the first area and the second area, and the organic layer is located at described
First area.
9. display device as claimed in claim 8, which is characterized in that the composition material of the inorganic layer include SiNx, SiOx,
At least one of SiOxNy, AlOx, wherein x, y are positive integer.
10. display device as claimed in claim 8, which is characterized in that the composition material of the organic layer include acrylate,
At least one of Hexamethyldisiloxane, Alucone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321512.0A CN110098226A (en) | 2019-04-22 | 2019-04-22 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910321512.0A CN110098226A (en) | 2019-04-22 | 2019-04-22 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110098226A true CN110098226A (en) | 2019-08-06 |
Family
ID=67445297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910321512.0A Pending CN110098226A (en) | 2019-04-22 | 2019-04-22 | Display panel and display device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110098226A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111668271A (en) * | 2020-06-11 | 2020-09-15 | 武汉华星光电半导体显示技术有限公司 | OLED display panel, preparation method thereof and OLED display device |
| CN115000320B (en) * | 2021-12-17 | 2023-05-05 | 荣耀终端有限公司 | Display panel, manufacturing method thereof and electronic equipment |
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| WO2002011209A2 (en) * | 2000-08-01 | 2002-02-07 | Emagin Corporation | Method of patterning color changing media for organic light emitting diode display devices |
| CN103730071A (en) * | 2013-12-30 | 2014-04-16 | 深圳市华星光电技术有限公司 | OLED panel, manufacturing method thereof and encapsulation effect detection method |
| CN109300910A (en) * | 2018-08-31 | 2019-02-01 | 武汉华星光电半导体显示技术有限公司 | Organic LED display panel and its manufacturing method |
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| WO2002011209A2 (en) * | 2000-08-01 | 2002-02-07 | Emagin Corporation | Method of patterning color changing media for organic light emitting diode display devices |
| CN103730071A (en) * | 2013-12-30 | 2014-04-16 | 深圳市华星光电技术有限公司 | OLED panel, manufacturing method thereof and encapsulation effect detection method |
| CN109300910A (en) * | 2018-08-31 | 2019-02-01 | 武汉华星光电半导体显示技术有限公司 | Organic LED display panel and its manufacturing method |
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| CN111668271A (en) * | 2020-06-11 | 2020-09-15 | 武汉华星光电半导体显示技术有限公司 | OLED display panel, preparation method thereof and OLED display device |
| WO2021248545A1 (en) * | 2020-06-11 | 2021-12-16 | 武汉华星光电半导体显示技术有限公司 | Oled display panel and preparation method therefor, and oled display apparatus |
| US12010865B2 (en) | 2020-06-11 | 2024-06-11 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | OLED display panel with organic functional layer, manufacturing method thereof, and OLED display device |
| CN115000320B (en) * | 2021-12-17 | 2023-05-05 | 荣耀终端有限公司 | Display panel, manufacturing method thereof and electronic equipment |
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Application publication date: 20190806 |