CN108054291A - A kind of flexible display panels and preparation method thereof, flexible display apparatus - Google Patents
A kind of flexible display panels and preparation method thereof, flexible display apparatus Download PDFInfo
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- CN108054291A CN108054291A CN201711461942.XA CN201711461942A CN108054291A CN 108054291 A CN108054291 A CN 108054291A CN 201711461942 A CN201711461942 A CN 201711461942A CN 108054291 A CN108054291 A CN 108054291A
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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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/124—Insulating layers formed between TFT elements and OLED elements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention describes a kind of flexible display panels and preparation method thereof, flexible display apparatus.Flexible display panels include：Flexible base board；Organic transitional layer on the flexible base board；Planarization layer, reflection anode layer, pixel defining layer, the encapsulated layer set on the organic transitional layer away from the flexible base board one side；The encapsulated layer includes inorganic layer organic layer inorganic layer sandwich structure；The elasticity modulus of the organic transitional layer is less than the elasticity modulus of the planarization layer.The preparation method of flexible display panels provided by the invention, flexible display apparatus and flexible display panels, by setting on flexible substrates, one layer of organic transitional layer is set before planarization layer, and the elasticity modulus of organic transitional layer is less than the elasticity modulus of planarization layer, the residual stress of film layer in flexible display panels is alleviated, and avoids the folding s tress when flexible panel is bent and causes the problems such as fracture or even failure occur for some film layers in panel.
Description
Technical field
The present invention relates to display field, more particularly to a kind of flexible display panels, flexible display apparatus, Flexible Displays face
The preparation method of plate.
Background technology
In recent years, people develop the various light-weight and small flat panel display equipment of size to replace cathode-ray tube.This
The example of a little flat panel display equipments includes liquid crystal display panel, plasma display and organic electroluminescence display panel.Wherein,
Organic electroluminescence display panel realizes the normal display of display panel by the organic luminescent device in display panel, because organic hair
Optical device has high response speed, high-luminous-efficiency, strong brightness, wide viewing angle and flexible and is known as a new generation's display by industry
Technology.
Flexible display apparatus, such as wearable display, substantially using Organic Light Emitting Diode as light-emitting component.It is flexible
Display device according to the demands of application scenarios, it is necessary to bent to varying degrees, such as in order to realize on mobile phone products
(screen accounting reaches 18 to screen comprehensively:More than 9) just need the non-display area on periphery being bent to the back side of mobile phone display panel to improve
The viewing area accounting of entire display surface.Therefore, in order to realize comprehensive screen display of flexible display apparatus, it is necessary to capture Flexible Displays
Device is in bending the problem of.
The content of the invention
In view of this, an object of the present invention is to provide a kind of flexible display panels, flexible display apparatus, Flexible Displays
The preparation method of panel, the flexible display panels can improve the bendable folding endurance of display panel, reduce folding s tress to display surface
Harmful effect caused by plate viewing area ensure that the normal aobvious of flexible display panels while flexible panel screen accounting is improved
Show.
According to an aspect of the present invention, a kind of flexible display panels are provided, including：Flexible base board；Positioned at the flexibility
Driving circuit film layer on substrate；Organic transitional layer in the driving circuit film layer；On the organic transitional layer
Planarization layer, reflection anode layer, pixel defining layer, the encapsulated layer set away from the flexible base board one side；The encapsulated layer bag
Include inorganic layer-organic layer-inorganic layer sandwich structure；The elasticity modulus of the organic transitional layer is less than the bullet of the planarization layer
Property modulus.
According to another aspect of the present invention, a kind of flexible display apparatus is provided, including Flexible Displays face as described above
Plate.
According to another aspect of the present invention, a kind of preparation method for preparing above-mentioned flexible display panels, the system are provided
Preparation Method includes：One flexible base board is provided；Driving circuit film layer is deposited on the flexible base board；In the driving circuit film layer
Upper deposition organic transitional layer；Planarization layer is set on the organic transitional layer；Reflection anode is set on the planarization layer
Layer, and the reflection anode layer is patterned；Pixel defining layer is set on reflection anode layer after patterning, and to institute
Pixel defining layer is stated to be patterned；Support column layer is set in pixel defining layer after patterning.
Compared with prior art, the system of flexible display panels provided by the invention, flexible display apparatus, flexible display panels
Preparation Method sets one layer of organic transitional layer by setting on flexible substrates before planarization layer, and the elasticity of organic transitional layer
Modulus is less than the elasticity modulus of planarization layer, alleviates the residual stress of film layer in flexible display panels, and avoids in flexibility
Folding s tress causes some film layers (such as luminous organic material film layer) in panel that fracture or even failure etc. occurs when panel is bent
Problem ensure that the normal display of flexible display apparatus while realizing flexible display apparatus height screen accounting.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this field
For those of ordinary skill, without having to pay creative labor, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of flexible display panels schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the folding s tress distribution schematic diagram of flexible display panels panel itself in bending；
Fig. 3 is the structure diagram of organic light emitting material；
Fig. 4 is another flexible display panels structure diagram provided in an embodiment of the present invention；
Fig. 5 is another flexible display panels structure diagram provided in an embodiment of the present invention；
Fig. 6 is another flexible display panels structure diagram provided in an embodiment of the present invention；
Fig. 7 is another flexible display panels structure diagram provided in an embodiment of the present invention；
Fig. 8 is another flexible display panels structure diagram provided in an embodiment of the present invention；
Fig. 9 is a kind of structure diagram of flexible display apparatus provided in an embodiment of the present invention；
Figure 10 is a kind of method flow diagram for preparing flexible display panels provided in an embodiment of the present invention.
Specific embodiment
It is understandable for the above objects, features and advantages of the present invention is enable to become apparent, below in conjunction with attached drawing and implementation
The present invention will be further described for example.
It should be noted that detail is elaborated in the following description in order to fully understand the present invention.But this hair
Bright to be implemented with a variety of different from other manner described here, those skilled in the art can be without prejudice in the present invention
Similar popularization is done in the case of culvert.Therefore the limitation of the invention from following public specific embodiment.
Fig. 1 is a kind of structure diagram of flexible display panels provided in an embodiment of the present invention.It is as shown in Figure 1, flexible aobvious
Show that panel 100 includes flexible base board 10, driving circuit film layer 20 (gate metal layer 201, semiconductor on flexible base board 10
Layer 202, source-drain electrode metal layer 203 etc.), the organic transitional layer 50 in driving circuit film layer 20；Positioned at organic transitional layer 50
The upper planarization layer 40 set away from flexible base board one side, reflection anode layer 70, pixel defining layer 80, encapsulated layer 60.Wherein, seal
Filling layer 60 includes the sandwich structure that inorganic layer 601- organic layer 602- inorganic layers 603 are formed, for completely cutting off the water oxygen in air,
To protect erosion of the Organic Light Emitting Diode from water oxygen, ensure the service life of Organic Light Emitting Diode wherein；The work of planarization layer
With being to play the role of insulation and planarization；The effect of reflection anode layer is to provide forward voltage to Organic Light Emitting Diode；Picture
The effect of plain definition layer is the sub-pixel for separating adjacent, including multiple openings, is set in the opening of pixel defining layer more
A organic light emission sub-pixel 30, to form luminous zone independent one by one；Organic light emission sub-pixel 30 includes anode 306, shines
Material layer 307, cathode 308, wherein, the anode of each organic light emission sub-pixel is set independently of one another, each two son of organic light emission
Pixel shares a whole face cathode.
With continued reference to Fig. 1, in the embodiment of the present invention, the elasticity modulus of organic transitional layer 50 is less than the elasticity of planarization layer 40
Modulus.Preferably, the elasticity modulus of organic transitional layer is less than 30MPa, and the elasticity modulus of planarization layer is more than 80MPa.Organic mistake
Crossing the material of layer includes one of polymethyl methacrylate, polyamide or combination.
Flexible display panels are in bending, as shown in Fig. 2, according to mechanical knowledge, when flexible display panels are according to Fig. 2
When shown arrow direction is bent, flexible display panels edge can be acted on be subject to tensile stress, and in flexible display panels
Heart district domain can then be acted on be subject to compression.Due to using Organic Light Emitting Diode in flexible display panels as light-emitting component,
The principle of luminosity of each Organic Light Emitting Diode is then to be compounded to form exciton by electronics and hole, and exciton is in transition process
Photon is formed, as shown in figure 3, luminous material layer 307 includes hole injection layer 307a, hole transmission layer 307b, electron injecting layer
307e, electron transfer layer 307d and hole-electron composite bed 307c (i.e. luminescent layer).That is, it is any influence electronics with
The factor of hole formation exciton can all influence the luminescence process of Organic Light Emitting Diode.Therefore, after the bending of flexible display panels plate
The tensile stress and compression of formation are inevitably different not to the Organic Light Emitting Diode generation in flexible display panels
Good influence, such as the luminous mechanism of Organic Light Emitting Diode change：Originally electron-hole pair that can be compound should due to drawing
The presence of power or compression cannot be effectively compound, and then cannot generate exciton, that is, causes the luminous effect of Organic Light Emitting Diode
Rate reduces, and changes the brightness of entire flexible display panels；Alternatively, the exciton that compound electron-hole pair is formed, it should due to drawing
The presence of power or compression, exciton transition track change, and photon energy is caused to change, finally changes luminescent color.More
Have notably, flexible display panels shown in Fig. 2 can cause the luminescent layer film layer of Organic Light Emitting Diode to damage during bending
Bad, fracture ultimately results in entire flexible display panels failure.
Flexible display panels provided in an embodiment of the present invention driving circuit film layer preparation after the completion of, first prepare one layer it is organic
Then transition zone prepares other film layers again：Planarization layer, reflection anode layer, pixel defining layer, encapsulated layer etc.；Also, this is organic
The elasticity modulus of transition zone is less than the elasticity modulus of planarization layer.Due to metal film of the planarization layer in driving circuit
Layer, residual stress present in metallic diaphragm also generates larger residual stress after easilying lead to planarization layer film forming.Therefore,
After flexible base board bending, under the comprehensive function of extraneous folding force and internal residual stress so that the film layer of flexible display panels
Crackle is produced fracture, is finally damaged.Flexible display panels provided in an embodiment of the present invention have been prepared in driving circuit film layer
One layer of organic transitional layer is added before Cheng Hou, planarization layer film forming, also, the elasticity modulus of the organic transitional layer is less than planarization
The elasticity modulus of layer.Due to the presence of the organic transitional layer, the residual stress in driving circuit film layer can be absorbed or
Conversion, i.e., the residual stress inside driving circuit film layer can be released effectively by the organic transitional layer；Furthermore organic mistake
The elasticity modulus for crossing layer is less than the elasticity modulus of planarization layer, planarization layer stress collection when can be bent to avoid flexible display panels
Middle problem ensure that the integrity of Organic Light Emitting Diode during flexible display panels bending.
Flexible base board provided in an embodiment of the present invention preferably uses polyimides-silica composite substrate, such as：PI/
SiO2/PI substrates.In order to ensure the enough bendable folding endurances of flexible base board, each layer of thickness point in PI/SiO2/PI composite substrates
10/0.6/5 μm is not arranged to.
Fig. 4 is another flexible display panels structure diagram provided in an embodiment of the present invention.It is as shown in figure 4, flexible aobvious
Show that panel includes display area A-A and non-display area Non-A-A；Display area and non-display area include organic transition zone
50, and organic transitional layer 50 is more than the thickness in display area in the thickness of non-display area.In view of improving Flexible Displays face
For the screen accounting of plate to realize comprehensive screen, non-display area part is mainly folded into display surface by flexible display panels in bending
The back side, therefore folding s tress of the flexible display panels in bending inside non-display area will be significantly greater than the bending inside viewing area
Stress.Therefore, organic transitional layer is set and must greatly contributed to alleviate flexibility than the thickness in viewing area in the thickness of non-display area
Display panel is in non-display area folding s tress.Meanwhile the setting of viewing area organic transitional layer can also further prevent flexible show
Show influence of the panel when non-display area is bent to viewing area.
Fig. 5 is the structure diagram of another flexible display panels provided in an embodiment of the present invention.It is as shown in figure 5, flexible
Display panel includes flexible base board 10, organic transitional layer 50 on flexible base board and positioned at organic transitional layer away from soft
The planarization layer 40 of property substrate one side；Wherein, it is provided on surface of the organic transitional layer 50 away from 10 one side of flexible base board multiple
Rough micro-structure.These rough micro-structures help to prevent panel itself film layer when flexible display panels are bent
Fracture because these rough micro-structures have formed certain compressive pre-stress in itself, this compressive pre-stress there are energy
The folding s tress that enough and panel generates when bending interacts, so as to alleviate the adverse effect of folding s tress.
It should be noted that although Fig. 5 is simply illustrated in the viewing area of flexible display panels, organic transitional layer is separate
It is arranged to concaveconvex structure on the surface of flexible base board one side, but the present invention is not limited thereto, in the non-display of flexible display panels
Area, organic transitional layer can also be arranged to concaveconvex structure on the surface away from flexible base board one side, folding s tress is alleviated in help
Adverse effect.
Fig. 6 is the structure diagram of another flexible display panels provided in an embodiment of the present invention.It is as shown in fig. 6, flexible
Display panel includes display area A-A and non-display area Non-A-A, wherein, non-display area Non-A-A includes barricade 90,
Wherein, the first barricade 901 is used for the nothing in barrier encapsulation layer for the organic layer 602 in barrier encapsulation layer 60, the second barricade 902
Machine layer 601.In the embodiment of the present invention, the first barricade 901 includes the part 901a, the planarization layer that are formed by organic transitional layer material
Part 901b, the part 901c of pixel definition layer material formation that material is formed, the second barricade 902 include organic buffer layer material
The part 902c that part 902b, the pixel definition layer material that part 902a, the planarization layer material of formation are formed are formed.So set
Meter bears larger bending degree when the barricade part of flexible display panels can be allowd to be folded into the back side of display surface, has
The problem of barricade damages when avoiding to effect flexible display panels bending ensures the encapsulation compactness of flexible display panels.
It should be noted that flexible display panels can also set support column between cathode layer 308 and pixel defining layer 80
Layer, to protect organic LED structure 30.When flexible display panels further include support column layer, barricade 90 can also wrap
Include the part formed by support column layer with layer material.
Fig. 7 is the structure diagram of another flexible display panels provided in an embodiment of the present invention.As shown in fig. 7, and Fig. 6
Unlike illustrated embodiment, the first barricade 901 and the second barricade 902 in the flexible display panels that embodiment illustrated in fig. 7 provides
Between also set up organic transition zone 50, and be provided on the surface of the one side of the organic transitional layer 50 away from the flexible base board more
A concaveconvex structure.Such design, the influence that folding s tress destroys barricade when on the one hand reducing flexible display panels bending,
On the other hand the height that inorganic layer 601 crosses the second barricade 902 is also possible to prevent, the second barricade 902 is caused to fail.
Fig. 8 is the structure diagram of another flexible display panels provided in an embodiment of the present invention.As shown in figure 8, this reality
It applies in example and crosses the first barricade and the second barricade to further obstruct organic layer and inorganic layer, in the first barricade 901 and second
Barricade 902 is provided with multiple concaveconvex structures on the surface away from 10 one side of flexible base board.The first barricade and can so be increased
The frictional force of two wall surfaces, increases inorganic material and organic material crosses the difficulty of barricade, improves the close of flexible display panels
Feng Xing.
Fig. 9 is a kind of structure diagram of flexible display apparatus provided in an embodiment of the present invention.It is as shown in figure 9, flexible aobvious
Showing device 200 includes the flexible display panels 100 described in any of the above-described embodiment.The flexible display apparatus 200 can be mobile phone,
Laptop, TV etc. show product.
The embodiment of the present invention also provides a kind of preparation method of flexible display panels, and as shown in Figure 10, preparation method includes：
One flexible base board is first provided；Driving circuit film layer is deposited on flexible substrates；After driving circuit film layer prepares, in driving electricity
Organic transition zone is set in the film layer of road；Planarization layer is set on organic transitional layer again afterwards；Reflection is set on planarization layer
Anode layer, and reflection anode layer is patterned；Pixel defining layer is set on reflection anode layer after patterning, and to institute
Pixel defining layer is stated to be patterned；Support column layer is set in pixel defining layer after patterning.
Preparation method provided in an embodiment of the present invention first prepares one layer of organic transitional layer after driving circuit film layer prepares
The residual stress in driving circuit film layer is discharged, then planarization layer is set on organic transitional layer, it can be to avoid Flexible Displays face
The problems such as film layer fracture causes failure of face slab when plate is bent.
Preferably, in order to when further avoiding the flexible display panels from bending the problems such as film layer fracture, in driving circuit film layer
Upper deposition organic transitional layer also includes etching multiple concaveconvex structures on surface of the organic transitional layer away from flexible base board one side.
Patterning is carried out in preparation method provided in an embodiment of the present invention to pixel defining layer and is included in pixel defining layer shape
Into multiple openings, the opening is for forming luminous organic material.In the embodiment of the present invention, side that luminous organic material passes through vapor deposition
Formula is deposited in opening, and luminous organic material is deposited to the opening of pixel defining layer after support column layer prepares completion.
It is corroded to ensure the luminous organic material after vapor deposition from water oxygen, the meeting after luminous organic material vapor deposition is completed
Process is packaged, it is main to include first preparing one layer of inorganic layer, then one layer of organic layer is prepared on inorganic layer, then on organic layer
Inorganic layer is prepared, to form the sandwich structure of inorganic layer-organic layer-inorganic layer.
The preparation method of flexible display panels provided by the invention, flexible display apparatus and flexible display panels, passes through
It sets on flexible substrates and one layer of organic transitional layer is set before planarization layer, and the elasticity modulus of organic transitional layer is less than flat
Change the elasticity modulus of layer, alleviate the residual stress of film layer in flexible display panels, and avoid curved when flexible panel is bent
Folding stress causes the problems such as fracture or even failure occur for some film layers (such as luminous organic material film layer) in panel, realizes soft
Property display device high screen accounting while ensure that the normal display of flexible display apparatus.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
On the premise of not departing from present inventive concept, several simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (15)
1. a kind of flexible display panels, which is characterized in that the flexible display panels include：
Flexible base board；
Driving circuit film layer on the flexible base board；
Organic transitional layer in the driving circuit film layer；
Planarization layer, reflection anode layer away from flexible base board one side setting on the organic transitional layer, pixel are fixed
Adopted layer, encapsulated layer；
The encapsulated layer includes inorganic layer-organic layer-inorganic layer sandwich structure；
The elasticity modulus of the organic transitional layer is less than the elasticity modulus of the planarization layer.
2. flexible display panels as described in claim 1, which is characterized in that the flexible display panels include display area and
Non-display area；The display area and the non-display area include the organic transitional layer, and positioned at described non-display
The thickness of the organic transitional layer in region is more than the thickness of the organic transitional layer positioned at the display area.
3. flexible display panels as described in claim 1, which is characterized in that the elasticity modulus of the organic transitional layer is less than
30MPa, the elasticity modulus of the planarization layer are more than 80MPa.
4. flexible display panels as claimed in claim 3, which is characterized in that the material of the organic transitional layer includes poly- methyl
One of methyl acrylate, polyamide or combination.
5. flexible display panels as described in claim 1, which is characterized in that the organic transitional layer is away from the flexible base board
Concaveconvex structure is provided on the surface of one side.
6. flexible display panels as described in claim 1, which is characterized in that the flexible display panels further include barricade, institute
Stating barricade includes organic transition zone, planarization layer, pixel defining layer.
7. flexible display panels as claimed in claim 6, which is characterized in that the barricade is away from the flexible base board one side
Surface is provided with concaveconvex structure.
8. flexible display panels as described in claim 1, which is characterized in that the pixel defining layer includes multiple openings,
The opening of the pixel defining layer sets multiple organic light emission sub-pixels.
9. flexible display panels as claimed in claim 8, which is characterized in that the reflection anode layer of the display area includes more
A anode block, the anode block are corresponded with the organic light emission sub-pixel and set.
10. a kind of flexible display apparatus, including flexible display panels as described in any one of claims 1-9.
11. a kind of preparation method of flexible display panels, the preparation method include：
One flexible base board is provided；
Driving circuit film layer is deposited on the flexible base board；
Organic transitional layer is deposited in the driving circuit film layer；
Planarization layer is set on the organic transitional layer；
Reflection anode layer on the planarization layer is set, and the reflection anode layer is patterned；
Pixel defining layer on reflection anode layer is after patterning set, and the pixel defining layer is patterned；
Support column layer is set in pixel defining layer after patterning.
12. preparation method as claimed in claim 11, which is characterized in that deposit organic transitional in the driving circuit film layer
Layer further includes：Concaveconvex structure is set on surface of the organic transitional layer away from the flexible base board one side.
13. preparation method as claimed in claim 12, which is characterized in that patterning is carried out to the pixel defining layer to be included：
Multiple openings are formed in the pixel defining layer.
14. preparation method as claimed in claim 13, which is characterized in that after the completion of the preparation of support column layer, in the pixel
The open region vapor deposition luminous organic material of definition layer.
15. preparation method as claimed in claim 14, which is characterized in that prepare envelope after luminous organic material vapor deposition is completed
Layer is filled, the encapsulated layer includes the sandwich structure that inorganic layer-organic layer-inorganic layer is formed.
Priority Applications (1)
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| CN108735789A (en) * | 2018-05-30 | 2018-11-02 | 上海天马微电子有限公司 | Flexible organic light-emitting display panel and display device |
| CN109148521A (en) * | 2018-08-06 | 2019-01-04 | 云谷（固安）科技有限公司 | display module and display screen |
| CN109148520A (en) * | 2018-08-06 | 2019-01-04 | 云谷（固安）科技有限公司 | display module and display screen |
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Effective date of registration: 20211021 Address after: No.8, liufangyuanheng Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430074 Patentee after: WUHAN TIANMA MICROELECTRONICS Co.,Ltd. Patentee after: Wuhan Tianma Microelectronics Co.,Ltd. Shanghai Branch Address before: Room 509, building 1, No. 6111, Longdong Avenue, Pudong New Area, Shanghai, 201201 Patentee before: SHANGHAI TIANMA AM-OLED Co.,Ltd. |