CN109686775A - A kind of organic light emitting display panel, preparation method and display device - Google Patents
A kind of organic light emitting display panel, preparation method and display device Download PDFInfo
- Publication number
- CN109686775A CN109686775A CN201910023662.3A CN201910023662A CN109686775A CN 109686775 A CN109686775 A CN 109686775A CN 201910023662 A CN201910023662 A CN 201910023662A CN 109686775 A CN109686775 A CN 109686775A
- Authority
- CN
- China
- Prior art keywords
- conductor wire
- layer
- organic light
- substrate
- display panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- 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
-
- 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
- H10K59/1201—Manufacture or treatment
-
- 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
Abstract
The invention discloses a kind of organic light emitting display panel, preparation method and display devices, wherein organic light emitting display panel includes: first substrate；Organic light-emitting structure array layer on first substrate, organic light-emitting structure array layer include cathode；Including at least the first conductor wire and the second conductor wire, the orthographic projection of the first conductor wire on the first substrate surrounds the orthographic projection of cathode on the first substrate, and the orthographic projection of the second conductor wire on the first substrate surrounds the orthographic projection of the first conductor wire on the first substrate；First conductor wire is primary battery anode, and the second conductor wire is primary battery cathode；Or second conductor wire be primary battery anode, first conductor wire is primary battery cathode, the present invention is according to galvanic principles, in the primary battery formed using the first conductor wire and the second conductor wire, primary battery cathode can be used as victim line and preferentially consume water oxygen, the water oxygen corrosion organic light-emitting structure for avoiding display panel from penetrating into, ensure that luminous efficiency and the service life of organic light emitting display panel.
Description
Technical field
The present embodiments relate to display technology more particularly to a kind of organic light emitting display panels, preparation method and display
Device.
Background technique
Organic LED display device (Organic Light Emitting Display, OLED) has spontaneous
Light, driving voltage are low, luminous efficiency is high, the response time is short, clarity and contrast height, wide viewing angle, use temperature range are wide, can
Many advantages, such as realizing Flexible Displays and large area total colouring, is known as being the display device for most having development potentiality by industry.
Currently, organic light emitting display panel generallys use thin film encapsulation technology in production to realize the barrier to water oxygen,
But water oxygen corrodes luminescent material and yin it is possible to penetrate into gap from encapsulated layer and luminescent layer and between array substrate
Pole material reduces efficiency and the service life of OLED device.
Summary of the invention
The present invention provides a kind of organic light emitting display panel, preparation method and display device, to realize to organic light emission face
Organic light-emitting structure is protected in the consumption for the water oxygen penetrated into plate.
In a first aspect, the embodiment of the invention provides a kind of organic light emitting display panels, comprising:
First substrate；
Organic light-emitting structure array layer on the first substrate, the organic light-emitting structure array layer include yin
Pole；
The first conductor wire and the second conductor wire are also included at least, first conductor wire is on the first substrate just
Projection surrounds the orthographic projection of the cathode on the first substrate, the positive throwing of second conductor wire on the first substrate
Shadow surrounds the orthographic projection of first conductor wire on the first substrate；
First conductor wire is primary battery anode, and second conductor wire is primary battery cathode；Or described second lead
Electric wire is primary battery anode, and first conductor wire is primary battery cathode.
Optionally, first conductor wire is identical with the material of second conductor wire；
First conductor wire is connect with the first equipotential line, and second conductor wire is connect with the second equipotential line；Described
Current potential on one equipotential line is higher than the current potential on the current potential or second equipotential line on second equipotential line higher than described
Current potential on first equipotential line.
Optionally, the organic light emitting display panel further includes pixel-driving circuit array layer, the pixel-driving circuit
Array layer is between the first substrate and the organic light-emitting structure array layer；
First conductor wire and the second conductor wire same layer setting and in the pixel-driving circuit array layer
Any one layer of same layer setting in grid layer, source-drain electrode layer or capacitance electrode layer；
Or first conductor wire and the setting of second conductor wire different layer and respectively with the pixel-driving circuit battle array
Identical any two layers of same layer setting of material in grid layer, source-drain electrode layer or capacitance electrode layer in column layer.
Optionally, the organic light-emitting structure array layer includes common cathode layer, first conductor wire and described second
Conductor wire same layer is arranged and is arranged respectively with the common cathode layer same layer.
Optionally, first conductor wire is different with the material of second conductor wire, the metal of first conductor wire
It is conductive that the metal active of metal active or second conductor wire that activity is less than second conductor wire is less than described first
The metal active of line；
First conductor wire and second conductor wire are electrically floating；Or first conductor wire and the first current potential
Signal wire connection, second conductor wire are connect with the second electric potential signal line；First electric potential signal is higher than second electricity
Position signal or second electric potential signal are higher than first electric potential signal.
Optionally, the organic light emitting display panel further includes pixel-driving circuit array layer, the pixel-driving circuit
Array layer is between the first substrate and the organic light-emitting structure array layer；
First conductor wire and the setting of second conductor wire different layer and respectively with the pixel-driving circuit array layer
In grid layer, the different layer setting of any two material in source-drain electrode layer or capacitance electrode layer.
Optionally, the film layer in the pixel-driving circuit array layer with the first conductor wire same layer setting is away from described
Each insulating layer of first substrate side is not overlapped with first conductor wire；
Film layer in the pixel-driving circuit array layer with the second conductor wire same layer setting deviates from first base
Each insulating layer of plate side is not overlapped with second conductor wire.
Optionally, the material of first conductor wire and second conductor wire includes at least one in aluminium, titanium and molybdenum
Kind.
It optionally, further include thin-film encapsulation layer, the thin-film encapsulation layer covers the organic light-emitting structure array layer；
First conductor wire and the second conductor wire are between the thin-film encapsulation layer and the first substrate；Or it is described
First conductor wire and second conductor wire are located between two layers of film layer of arbitrary neighborhood in the thin-film encapsulation layer.
Second aspect, the embodiment of the invention also provides a kind of preparation methods of organic light emitting display panel, comprising:
One first substrate is provided；
Organic light-emitting structure array layer is formed on the first substrate, and the organic light-emitting structure array layer includes yin
Pole；
At least form the first conductor wire and the second conductor wire, the positive throwing of first conductor wire on the first substrate
Shadow surrounds the orthographic projection of the cathode on the first substrate, the orthographic projection of second conductor wire on the first substrate
Around the orthographic projection of first conductor wire on the first substrate, first conductor wire is primary battery anode, described the
Two conductor wires are primary battery cathode；Or second conductor wire is primary battery anode, first conductor wire is negative for primary battery
Pole.
Optionally, organic light-emitting structure array layer, the organic light-emitting structure array layer are formed on the first substrate
Before cathode further include:
Form pixel-driving circuit array layer；
Wherein, first conductor wire and the second conductor wire same layer setting and with the pixel-driving circuit array
Grid layer, source-drain electrode layer in layer or any one layer of same layer in capacitance electrode layer are arranged and are formed in same technique；Or
First conductor wire and the setting of second conductor wire different layer and respectively with the grid in the pixel-driving circuit array layer
Identical any two layers of the same layer of material is arranged and is formed in same technique in layer, source-drain electrode layer or capacitance electrode layer.
Optionally, organic light-emitting structure array layer, the organic light-emitting structure array layer are formed on the first substrate
Before cathode further include:
Form pixel-driving circuit array layer；
Wherein, first conductor wire and the setting of second conductor wire different layer and respectively with the pixel-driving circuit battle array
Grid layer, source-drain electrode layer in column layer or any two material in capacitance electrode layer it is different layer same layer setting and in same work
It is formed in skill.
Optionally, the pixel-driving circuit array layer further includes between the grid layer and capacitance electrode layer, position
Insulating layer between the capacitance electrode layer and source-drain electrode layer and on the source-drain electrode layer；The organic light emitting display
Panel preparation method further include:
It removes and is covered in the pixel-driving circuit array layer on first conductor wire and second conductor wire
The insulating layer.
The third aspect, the embodiment of the invention also provides a kind of organic light-emitting display devices, including as first aspect is any
The organic light emitting display panel.
The present invention is arranged the by being arranged the first conductor wire and the second conductor wire in organic light emitting display panel
The orthographic projection of one conductor wire on the first substrate surrounds the orthographic projection of cathode on the first substrate, and the second conductor wire is in first substrate
On orthographic projection surround the orthographic projection of the first conductor wire on the first substrate；Using galvanic principles, the first conductor wire is former electricity
Pond anode, the second conductor wire are primary battery cathode；Or second conductor wire be primary battery anode, the first conductor wire is negative for primary battery
Pole, wherein primary battery cathode, which can be used as victim line and preferentially be corroded, consumes water oxygen, solves in organic light emitting display panel and sends out
The problem of water oxygen that light functional layer and cathode are easily infiltrated corrodes and leads to the device efficiency and service life reduction of organic light-emitting structure,
Organic light emitting display panel, preparation method and display device provided in an embodiment of the present invention, avoid organic light emitting display panel from seeping
The water oxygen corrosion organic light-emitting structure entered, ensure that luminous efficiency and the service life of organic light emitting display panel.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of organic light emitting display panel provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another organic light emitting display panel provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of the section structure of organic light emitting display panel shown in Fig. 2；
Fig. 4 is another the schematic diagram of the section structure of organic light emitting display panel shown in Fig. 2；
Fig. 5 is the schematic diagram of the section structure of another organic light emitting display panel provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of the section structure of another organic light emitting display panel provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another organic light emitting display panel provided in an embodiment of the present invention；
Fig. 8 is the top view of another organic light emitting display panel provided in an embodiment of the present invention；
Fig. 9 is the schematic diagram of the section structure of the organic light emitting display panel shown in Fig. 8 along BB '；
Figure 10 is a kind of flow chart of the preparation method of organic light emitting display panel provided in an embodiment of the present invention；
Figure 11 is the flow chart of the preparation method of another organic light emitting display panel provided in an embodiment of the present invention；
Figure 12 is the flow chart of the preparation method of another organic light emitting display panel provided in an embodiment of the present invention；
Figure 13 is the flow chart of the preparation method of another organic light emitting display panel provided in an embodiment of the present invention；
Figure 14 is a kind of structural schematic diagram of organic light-emitting display device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
In OLED device, luminescent material is usually polymer or small organic molecule, cathode in organic light-emitting structure array
Material is usually the lower active metal of work function such as magnalium etc., these luminescent materials and cathode material to steam and oxygen very
Sensitivity, the infiltration of water/oxygen can reduce the service life of OLED device significantly, in order to reach commercialization for the service life of OLED device
With the requirement of stability, OLED device has the service life of OLED device, water vapor transmittance, oxygen penetration rate etc. very high
Requirement.The embodiment of the present invention provides a variety of organic light emitting display panels for the water oxygen etching problem of OLED device.
Fig. 1 is a kind of structural schematic diagram of organic light emitting display panel provided in an embodiment of the present invention, and with reference to Fig. 1, this has
Machine light emitting display panel includes: first substrate 11；Organic light-emitting structure array layer 12 on first substrate 11, organic light emission
Array of structures layer 12 includes cathode 120；Also include at least the first conductor wire 131 and the second conductor wire 132, the first conductor wire
131 surround orthographic projection of the cathode 120 on first substrate 11 in the orthographic projection on first substrate 11, and the second conductor wire 132 is the
Orthographic projection on one substrate 11 surrounds orthographic projection of first conductor wire 131 on first substrate 11；First conductor wire 131 is former electricity
Pond anode, the second conductor wire 132 are primary battery cathode；Or second conductor wire 132 be primary battery anode, the first conductor wire 131
For primary battery cathode.
Wherein, in organic light emitting display panel, the water oxygen of infiltration can be used as the first conductor wire 13 and the second conductor wire 132
Electrolyte, and be formed into a loop the first conductor wire 131 and the second conductor wire 132, so that the first conductor wire 131 and the
Two conductor wires 132 spontaneously constitute primary battery, and by being easier to corrode in the first conductor wire 131 and the second conductor wire 132
Conductor wire constitute primary battery cathode, be preferentially corroded and consume water oxygen in corrosion process.First conductor wire 131 and second is led
Electric wire 132 is located at the periphery of cathode 120, can prevent water oxygen from invading corroding cathode 120 from the edge of organic light emitting display panel
With the luminous organic material in organic light-emitting structure array layer 12.
Organic light emitting display panel provided in an embodiment of the present invention, by the way that the first conductor wire and the second conductor wire is arranged,
And the orthographic projection of the first conductor wire on the first substrate is set around the orthographic projection of cathode on the first substrate, the second conductor wire
Orthographic projection on the first substrate surrounds the orthographic projection of the first conductor wire on the first substrate；It is led using galvanic principles, first
Electric wire is primary battery anode, and the second conductor wire is primary battery cathode；Or second conductor wire be primary battery anode, the first conductor wire
For primary battery cathode, wherein primary battery cathode, which can be used as victim line and preferentially be corroded, consumes water oxygen, and it is aobvious to solve organic light emission
Show the corrosion of light emitting functional layer and cathode are easily infiltrated in panel water oxygen and leads to device efficiency and the service life of organic light-emitting structure
The problem of reduction, the water oxygen corrosion organic light-emitting structure for avoiding organic light emitting display panel from penetrating into ensure that organic light emitting display
The luminous efficiency of panel and service life.
It should be noted that being not limited to the first conductor wire in the organic light emitting display panel and the second conductor wire two is led
Illustratively even number conductor wire can also be arranged in electric wire, wherein adjacent two conductor wires can spontaneous composition primary battery, including
Primary battery anode and primary battery cathode, seldom repeat herein.
For the material of the first conductor wire and the second conductor wire, identical material preparation can be used, can also be used different
At least one of aluminium, titanium and molybdenum can be selected in the material of material preparation, the first conductor wire and the second conductor wire.
Fig. 2 is that the structural schematic diagram of another organic light emitting display panel provided in an embodiment of the present invention can with reference to Fig. 2
Selection of land, the first conductor wire 131 are identical with the material of the second conductor wire 132；First conductor wire 131 is connect with the first equipotential line 141,
Second conductor wire 132 is connect with the second equipotential line 142；Current potential on first equipotential line 141 is higher than the electricity on the second equipotential line 142
Current potential on position or the second equipotential line 142 is higher than the current potential on the first equipotential line 141.
Wherein, when the first conductor wire 131 is identical with the material of the second conductor wire 132, in order to make 131 He of the first conductor wire
Second conductor wire 132 forms galvanic effect, and it is different that height can be passed through on the first conductor wire 131 and the second conductor wire 132
Two electric potential signals, wherein be passed through compared with low-potential signal conductor wire be primary battery cathode, be passed through the conduction of high potential signal
Line is therefore primary battery anode is passed through the first conductor wire 131 compared with low-potential signal or is passed through second compared with low-potential signal
Conductor wire 132 is preferentially corroded and consumes water oxygen.
Further, the first conductor wire 131 and the second conductor wire 132 can be separately provided additional manufacturing process and carry out individually
Ground preparation can also prepare to be formed simultaneously in the original manufacturing process of organic light emitting display panel.Fig. 3 is organic hair shown in Fig. 2
The schematic diagram of the section structure of light display panel, referring to figs. 2 and 3, organic light emitting display panel further include pixel-driving circuit battle array
Column layer 15, pixel-driving circuit array layer 15 is between first substrate 11 and organic light-emitting structure array layer 12；First is conductive
Line 131 and 132 same layer of the second conductor wire setting and respectively with grid layer 151, the source-drain electrode in pixel-driving circuit array layer 15
Any one layer of same layer setting in layer 152 or capacitance electrode layer 153.Wherein, Fig. 3 illustratively, the first conductor wire 131 and second
It 132 same layer of conductor wire and is formed in same technique with source-drain electrode layer 152, the first conductor wire 131, the second conductor wire 132 and source
152 material of drain electrode layer is identical.Those skilled in the art can also be according to the actual situation by the first conductor wire 131 and the second conductor wire
132 same layers are arranged in grid layer 151 or capacitance electrode layer 153, herein with no restrictions.
Fig. 4 is that another the schematic diagram of the section structure of organic light emitting display panel shown in Fig. 2 has with reference to Fig. 2 and Fig. 4
Machine light emitting display panel further includes pixel-driving circuit array layer 15, pixel-driving circuit array layer 15 be located at first substrate 11 with
Between organic light-emitting structure array layer 15；Optionally, the first conductor wire 131 and the different layer setting of the second conductor wire 132 and respectively with
Material is identical any in grid layer 151, source-drain electrode layer 152 or capacitance electrode layer 153 in pixel-driving circuit array layer 15
Two electrode layer same layers are arranged and are formed in same technique.Illustratively, with reference to Fig. 4, wherein the first conductor wire 131 and second
Conductor wire 132 is located at two different electrode layers, and the first conductor wire 131 is arranged and in same technique with 151 same layer of grid layer
It is formed, the second conductor wire 132 is arranged with 153 same layer of capacitance electrode layer and is formed in same technique, in addition, due to grid layer
151 and capacitance electrode layer 153 formed using same material, accordingly, the material of the first conductor wire 131 and the second conductor wire 132
Also identical.Similarly, when source-drain electrode layer 152 is identical as 151 material of grid layer, the first conductor wire 131 and the second conductor wire 132
It can also be separately positioned on source-drain electrode 152 and grid layer 151, herein for the position of the first conductor wire 131 and the second conductor wire 132
It sets with no restrictions.
By the first conductor wire 131 and the second conductor wire 132 respectively with the grid layer 151 of pixel-driving circuit array layer 15,
It any two layers of same layer of any one layer or identical material in source-drain electrode layer 152 and capacitance electrode layer 153 and is formed with technique, it can
It is made with reducing the technique of organic light emitting display panel, reduces production cost.
In addition to the electrode layer of the first conductor wire and the second conductor wire and pixel-driving circuit array layer 15 is formed with technique,
First conductor wire and the second conductor wire and common cathode layer same layer can also be arranged.Fig. 5 be it is provided in an embodiment of the present invention again
A kind of the schematic diagram of the section structure of organic light emitting display panel, with reference to Fig. 5, organic light-emitting structure array layer 12 includes common cathode
Layer 121, the first conductor wire 131 and the second conductor wire 132 are arranged with 121 same layer of common cathode layer and are formed in same technique.
Wherein, the preparation of common cathode layer 121 generallys use vacuum thermal evaporation technique and forms through mask plate patterned deposition,
When for the first conductor wire 131 of preparation, the second conductor wire 132 and common cathode layer 121, it is deposited simultaneously using mask plate
Deposition is formed.
It continues to refer to figure 1, wherein the first conductor wire 131 is different with the material of the second conductor wire 132, the first conductor wire 131
Metal active less than the second conductor wire 132 metal active or the second conductor wire 132 metal active less than first conduction
The metal active of line 131.
It wherein, can be according to 131 He of the first conductor wire when the material difference of the first conductor wire 131 and the second conductor wire 132
The metal active of second conductor wire 132 is different, spontaneously forms galvanic effect, the small conductor wire of metal active be easy to be corroded from
And consume water oxygen, i.e., as the cathode of primary battery, the biggish conductor wire of metal active is then used as the anode of primary battery.
Therefore, with reference to Fig. 1, settable first conductor wire 131 and the second conductor wire 132 are electrically floating, that is, are not connected to lead
Electric wire is not passed through electric signal, realizes galvanic effect according only to the metal active difference of the first conductor wire and the second conductor wire,
Consume water oxygen.Certainly, only using the metal active difference of material come when realizing galvanic effect, the corrosion of galvanic effect is imitated
Fruit is poor, i.e., water oxygen consumes scarce capacity, connect at this point, may also set up the first conductor wire with the first electric potential signal line, second leads
Electric wire is connect with the second electric potential signal line；First electric potential signal is higher than the second electric potential signal or the second electric potential signal and is higher than the
One electric potential signal is corroded using electric potential signal difference driving conductor wire, improves the consumption effect of water oxygen.
It should be noted that not limited for the setting position present invention of the first electric potential signal line and the second electric potential signal line
It is fixed.Illustratively, the first electric potential signal line and the second electric potential signal line can be arranged with the first conductor wire and the second electric wire same layer, can
It is formed using same technique, the first electric potential signal line and the second electric potential signal line lead to respectively with the first conductor wire and the second conductor wire
Crossing overlapped, mode is directly connected to；Alternatively, the first electric potential signal line and the second electric potential signal line are led with the first conductor wire and second
The different layer setting of electric wire, the first electric potential signal line and the second electric potential signal line and the first conductor wire and the second conductor wire passed through respectively
Hole connection.Further, in order to facilitate the week of the first electric potential signal line and the second electric potential signal line and organic light emitting display panel
Pad connection in the circuit region of side, can be by the first electric potential signal line and the second electric potential signal line to be passed through corresponding electric potential signal
It is arranged in pixel-driving circuit array layer, or directly utilizes in pixel-driving circuit array layer for connecting pixel driver electricity
The drive signal line on road is multiplexed with the first electric potential signal line and the second electric potential signal line, to reduce the complexity of wiring.
The setting position of first conductor wire and second conductor wire different for material, those skilled in the art can also be independent
The additional processing procedure for preparing is arranged to be respectively formed.It similarly, can also be with the same technique of other manufacturing process of organic light emitting display panel
It is formed.Fig. 6 is that the schematic diagram of the section structure of another organic light emitting display panel provided in an embodiment of the present invention has with reference to Fig. 6
Machine light emitting display panel further includes pixel-driving circuit array layer 15, pixel-driving circuit array layer 15 be located at first substrate 11 with
Between organic light-emitting structure array layer 15；Optionally, the first conductor wire 131 and the different layer setting of the second conductor wire 132 and respectively with
Grid layer 151, source-drain electrode layer 152 in pixel-driving circuit array layer 15 or any two material in capacitance electrode layer 153
Different layers same layer is arranged and is formed in same technique.By taking organic light emitting display panel shown in fig. 6 as an example, the first conductor wire
131 and second conductor wire 132 be made of different materials, wherein the first conductor wire 131 and the setting of 151 same layer of grid layer and same
It is formed in one technique, the second conductor wire 132 is then arranged with 153 same layer of capacitance electrode layer and is formed in same technique.Certainly,
One conductor wire 131 may also be arranged on source-drain electrode layer 152, and the second conductor wire is arranged in grid layer 151, herein for the first conductive layer
131 and second conductive layer 132 setting position with no restrictions.
With continued reference to Fig. 3, Fig. 4 and Fig. 6, optionally, in pixel-driving circuit array layer 15 with 131 same layer of the first conductor wire
Each insulating layer of the film layer of setting away from 11 side of first substrate is not overlapped with the first conductor wire 131；Pixel-driving circuit array
Deviate from each insulating layer and the second conductor wire of 11 side of first substrate in layer 15 with the film layer of 132 same layer of the second conductor wire setting
132 do not overlap.
Wherein, each electrode interlayer in pixel-driving circuit array layer 15 is provided with multilayer dielectric layer, each insulating layer packet
It includes and is provided with interlayer dielectric layer 154 between grid layer 151 and capacitance electrode layer 153, capacitance electrode layer 153 and source-drain electrode layer 152
Between be provided on interlayer insulating film 155 and grid layer 151 and be provided with planarization layer 156, when the first conductor wire 131 and
Two conductor wires 132 respectively with grid layer 151, source-drain electrode layer 152 or the capacitance electrode layer 153 in pixel-driving circuit array layer 15
The setting of any one or two layers same layer and when with technique formation, the first conductor wire 131 and the second conductor wire 132 deviate from the first base
The side of plate 11 will form insulating layer, when insulating layer covers the first conductor wire and the second conductor wire to a certain extent, will affect
The water oxygen assimilation effect of conductor wire, therefore can not be formed on the first conductive layer and the second conductive layer absolutely when each insulating layer is arranged
Edge layer effectively prevent organic light-emitting structure array to guarantee that the first conductive layer and the second conductive layer can carry out water oxygen consumption
Organic light-emitting structure and cathode in layer are corroded by water oxygen.
The embodiment of the invention also provides a kind of organic light emitting display panels, wherein the organic light emitting display panel is also wrapped
Thin-film encapsulation layer is included, thin-film encapsulation layer covers organic light-emitting structure array layer；First conductor wire and the second conductor wire are located at film
Between encapsulated layer and first substrate；Or first conductor wire and the second conductor wire be located at the arbitrary neighborhood two membranes in thin-film encapsulation layer
Between layer.Fig. 7 is the structural schematic diagram of another organic light emitting display panel provided in an embodiment of the present invention, with reference to Fig. 7, example
Property, which further includes thin-film encapsulation layer 16, and thin-film encapsulation layer 16 covers organic light-emitting structure array layer
12；First conductor wire 131 and the second conductor wire 132 are located between two layers of film layer of arbitrary neighborhood in thin-film encapsulation layer 16.
First conductor wire 131 and the second conductor wire 132 are arranged between thin-film encapsulation layer 16 and first substrate 11, it can be with
Water oxygen for being penetrated into the gap of film layer between absorbing membrane encapsulated layer 16 and first substrate 11, and by the first conductor wire 131
And second refer to 131 He of the first conductor wire between two layers of the film layer of arbitrary neighborhood that is arranged in thin-film encapsulation layer 16 of conductor wire 132
Second conductor wire 132 can same layer setting, positioned at identical two adjacent film layers between or different layer be arranged, it is adjacent positioned at different two
Between film layer, it is ensured that the water oxygen penetrated into the gap of each film layer of thin-film encapsulation layer 16 is absorbed, and improves thin-film encapsulation layer
16 encapsulation performance.
Fig. 8 is the top view of another organic light emitting display panel provided in an embodiment of the present invention, and Fig. 9 is shown in Fig. 8
Organic light emitting display panel is along the schematic diagram of the section structure of BB ', and with reference to Fig. 8 and Fig. 9, which further includes
One stops dam 161 and second to stop dam 162；First stops dam 161 to surround organic light-emitting structure array layer 12, and second stops dam
162 stop dam 161 around first；The organic layer of thin-film encapsulation layer 16 is located in the region that the first blocking dam surrounds；Thin-film package
The inorganic layer of layer 16 at least crosses over the first blocking dam 161；First conductor wire 131 and the second conductor wire 132 are on first substrate 11
Upright projection be located at first stop dam 161 and second stop dam 162 gap in the upright projection of first substrate 11.
As shown in figure 9, being set in pixel-driving circuit array layer for the first conductor wire 131 and the second conductor wire 132
When, the signal wire of same layer setting can extend to non-display area in usual grid layer, source-drain electrode layer or capacitance electrode layer, i.e., can prolong
It extends on the inside of the first blocking dam, at this time by the first conductor wire 131 and the second conductor wire 132 and grid layer, source-drain electrode layer or capacitor
When certain layer of same layer in electrode layer is formed with technique, the first conductor wire 131 and the setting of the second conductor wire 132 can be stopped first
The lower section on dam and the second blocking dam, i.e. the upright projection position of the first conductor wire 131 and the second conductor wire 132 on first substrate 11
Dam 161 and second is stopped to stop the gap on dam 162 in the upright projection of first substrate 11 in first.
The embodiment of the invention also provides a kind of preparation method of organic light emitting display panel, Figure 10 is the embodiment of the present invention
The flow chart of the preparation method of a kind of organic light emitting display panel provided, with reference to Figure 10, the system of the organic light emitting display panel
Preparation Method includes:
S110, a first substrate is provided；
Wherein, rigid substrates or flexible base board can be used in first substrate, and wherein rigid substrates include glass substrate, flexible base
Polyimides (PI), polyethylene terephthalate (PET), polyethylene naphthalate (PEN) etc., which then can be used, in plate has
Machine flexible material is made.Also, first substrate can be transparent substrate, translucent or opaque substrate.
S120, organic light-emitting structure array layer is formed on the first substrate, the organic light-emitting structure array layer includes yin
Pole；
In organic light-emitting structure array, the modes such as hot evaporation, magnetron sputtering, solution coating can be used and carry out each film layer
Preparation, illustratively, can lead to anode, light emitting functional layer and the cathode of organic light-emitting structure in organic light-emitting structure array
Mask plate patterned deposition by the way of vacuum thermal evaporation is crossed to be formed.
S130, the first conductor wire and the second conductor wire, the orthographic projection of the first conductor wire on the first substrate are at least formed
Around the orthographic projection of cathode on the first substrate, the orthographic projection of the second conductor wire on the first substrate is around the first conductor wire the
Orthographic projection on one substrate, the first conductor wire are primary battery anode, and the second conductor wire is primary battery cathode；Or second conductor wire
For primary battery anode, the first conductor wire is primary battery cathode.
It should be noted that not limited in the preparation method of organic light emitting display panel provided in an embodiment of the present invention
S130, the first conductor wire of formation and the second conductor wire form organic light-emitting structure in S120, on the viewing area of first substrate
After array layer, formed hydrophobic structure the step of can before forming organic light-emitting structure array layer step, among or later
, setting position of the sequencing of the step depending on the first conductor wire and the second conductor wire.
The preparation method of organic light emitting display panel provided in an embodiment of the present invention, by organic light emitting display panel
The first conductor wire and the second conductor wire are formed, and the orthographic projection of the first conductor wire on the first substrate is set and is existed around cathode
Orthographic projection on first substrate, the orthographic projection of the second conductor wire on the first substrate around the first conductor wire on the first substrate
Orthographic projection；Using galvanic principles, the first conductor wire is primary battery anode, and the second conductor wire is primary battery cathode；Or second
Conductor wire is primary battery anode, and the first conductor wire is primary battery cathode, wherein primary battery cathode can be used as victim line preferentially quilt
Corrosion consumption water oxygen solves the water oxygen corrosion that light emitting functional layer and cathode are easily infiltrated in organic light emitting display panel and causes
The problem of device efficiency and service life reduction of organic light-emitting structure, the water oxygen corrosion for avoiding organic light emitting display panel from penetrating into are organic
Light emitting structure ensure that luminous efficiency and the service life of organic light emitting display panel.
With continued reference to Fig. 3, wherein the first conductor wire 131 and the second conductor wire 132 and pixel-driving circuit array layer 15
Middle 152 same layer of source-drain electrode layer, therefore, the embodiment of the invention provides the preparation method of another organic light emitting display panel, figures
11 be the flow chart of the preparation method of another organic light emitting display panel provided in an embodiment of the present invention, with reference to Fig. 3 and Figure 11,
The preparation method includes:
S210, a first substrate is provided；
S220, pixel-driving circuit array layer is formed；Wherein, the first conductor wire and the second conductor wire same layer setting and with
Grid layer, source-drain electrode layer in pixel-driving circuit array layer or any one layer of same layer in capacitance electrode layer are arranged and same
It is formed in technique.
Wherein, illustratively, with reference to Fig. 3, the first conductor wire 131 and the second conductor wire 132 and pixel-driving circuit battle array
It 152 same layer of source-drain electrode layer and is formed in same technique, certain first conductor wire 131 and the second conductor wire 132 in column layer 15
It can be formed with 151 same layer of grid layer with technique, or be formed with the same technique of 153 same layer of capacitance electrode layer.
S230, organic light-emitting structure array layer is formed on the first substrate.
The step is substantially the formation organic light-emitting structure array layer on pixel-driving circuit array layer, wherein pixel driver
Pixel-driving circuit in gate array layer is connect one by one with the organic light-emitting structure in organic light-emitting structure array layer.
With continued reference to Fig. 4, wherein the first conductor wire 131 and the second conductor wire 132 are located in pixel-driving circuit array layer
Two different electrode layers, for organic light emitting display panel shown in Fig. 4, the embodiment of the present invention also provides a kind of organic
The preparation method of light emitting display panel, Figure 12 are the preparation sides of another organic light emitting display panel provided in an embodiment of the present invention
The flow chart of method, with reference to Figure 12, which includes:
S310, a first substrate is provided；
S320, pixel-driving circuit array layer is formed；Wherein, the first conductor wire and the different layer of the second conductor wire are arranged and divide
Layer not identical with any two material in grid layer, source-drain electrode layer or the capacitance electrode layer in pixel-driving circuit array layer
Same layer is arranged and is formed in same technique.
Wherein, when identical there are two electrode layer materials in grid layer, source-drain electrode layer and capacitance electrode layer, first can be led
Electric wire and the different layer of the second conductor wire are arranged in two electrode layer, such as Fig. 4,153 material phase of grid layer 151 and capacitance electrode layer
Together, i.e., settable first conductor wire 131 and the second conductor wire 132 are separately positioned on grid layer 151 and capacitance electrode layer 153.
S330, organic light-emitting structure array layer is formed on the first substrate.
Similarly, for organic light emitting display panel structure shown in fig. 5, the embodiment of the present invention also provides a kind of organic
The preparation method of light emitting display panel, Figure 13 are the preparation sides of another organic light emitting display panel provided in an embodiment of the present invention
The flow chart of method, with reference to Figure 13, which includes:
S410, a first substrate is provided；
S420, pixel-driving circuit array layer is formed；Wherein, the first conductor wire and the different layer of the second conductor wire are arranged and divide
The not layer different from any two material in grid layer, source-drain electrode layer or the capacitance electrode layer in pixel-driving circuit array layer
Same layer is arranged and is formed in same technique.
Illustratively, with reference to Fig. 6, wherein grid layer 151, source-drain electrode layer 152 or 153 material of capacitance electrode layer not phase
Together, can by the first conductor wire 131 and the second conductor wire 32 respectively with grid layer 151 and 153 same layer of capacitance electrode layer and same work
Skill is formed.
S430, organic light-emitting structure array layer is formed on the first substrate.
Further, when the first conductor wire and the second conductor wire are arranged in pixel-driving circuit, while pixel driver
Gate array layer further includes between grid layer and capacitance electrode layer, between capacitance electrode layer and source-drain electrode layer and position
Insulating layer on source-drain electrode layer.With reference to Fig. 3, Fig. 4 and Fig. 6, the embodiment of the present invention provides a kind of organic for the insulating layer
The preparation method of light emitting display panel, wherein further include: removal pixel-driving circuit array layer in be covered in the first conductor wire and
Insulating layer on second conductor wire.
With continued reference to Fig. 6, the preparation method of the organic light emitting display panel further include: S141, form thin-film encapsulation layer 16；
Wherein, the first conductor wire 131 and the second conductor wire 132 are between thin-film encapsulation layer 16 and first substrate 11.
Or Fig. 7 is referred to, which may also include S142, forms thin-film encapsulation layer 16；Wherein, the first conductor wire
131 and second conductor wire 132 be formed between two layers of film layer of arbitrary neighborhood in thin-film package 16.
The embodiment of the invention also provides a kind of organic light-emitting display device, Figure 14 is one kind provided in an embodiment of the present invention
The structural schematic diagram of organic light-emitting display device, with reference to Figure 14, which includes that the embodiment of the present invention provides
Any one organic light emitting display panel 100.Since organic light-emitting display device is using provided in an embodiment of the present invention organic
Light emitting display panel 100, therefore display device equally has the beneficial effect of above-described embodiment organic light emitting display panel.It needs
Illustrate, display device provided in an embodiment of the present invention can also include the electricity that other are used to that display device to be supported to work normally
Road and device, above-mentioned display device can be mobile phone, laptop, pad, wrist-watch, VR/AR/MR, television set etc..
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (13)
1. a kind of organic light emitting display panel characterized by comprising
First substrate；
Organic light-emitting structure array layer on the first substrate, the organic light-emitting structure array layer includes cathode；
Also include at least the first conductor wire and the second conductor wire, the orthographic projection of first conductor wire on the first substrate
Around the orthographic projection of the cathode on the first substrate, the orthographic projection of second conductor wire on the first substrate surrounds institute
State the orthographic projection of the first conductor wire on the first substrate；
First conductor wire is primary battery anode, and second conductor wire is primary battery cathode；Or second conductor wire
For primary battery anode, first conductor wire is primary battery cathode.
2. organic light emitting display panel according to claim 1, which is characterized in that first conductor wire and described second
The material of conductor wire is identical；
First conductor wire is connect with the first equipotential line, and second conductor wire is connect with the second equipotential line；First electricity
Current potential on bit line is higher than the current potential on the current potential or second equipotential line on second equipotential line and is higher than described first
Current potential on equipotential line.
3. organic light emitting display panel according to claim 2, which is characterized in that the organic light emitting display panel is also wrapped
Pixel-driving circuit array layer is included, the pixel-driving circuit array layer is located at the first substrate and the organic light-emitting structure
Between array layer；
First conductor wire and the second conductor wire same layer setting and with the grid in the pixel-driving circuit array layer
Any one layer of same layer setting in layer, source-drain electrode layer or capacitance electrode layer；
Or first conductor wire and the setting of second conductor wire different layer and respectively with the pixel-driving circuit array layer
In grid layer, identical any two layers of same layer setting of material in source-drain electrode layer or capacitance electrode layer.
4. organic light emitting display panel according to claim 2, which is characterized in that first conductor wire and described second
Conductor wire same layer is arranged and is arranged respectively with the cathode same layer.
5. organic light emitting display panel according to claim 1, which is characterized in that first conductor wire and described second
The material of conductor wire is different, and the metal active of first conductor wire is less than the metal active of second conductor wire, Huo Zhesuo
The metal active for stating the second conductor wire is less than the metal active of first conductor wire；
First conductor wire and second conductor wire are electrically floating；Or first conductor wire and the first electric potential signal
Line connection, second conductor wire are connect with the second electric potential signal line；First electric potential signal is believed higher than second current potential
Number or second electric potential signal be higher than first electric potential signal.
6. organic light emitting display panel according to claim 5, which is characterized in that the organic light emitting display panel is also wrapped
Pixel-driving circuit array layer is included, the pixel-driving circuit array layer is located at the first substrate and the organic light-emitting structure
Between array layer；
First conductor wire and the different layer of second conductor wire are arranged and respectively and in the pixel-driving circuit array layer
The different layer same layer setting of any two material in grid layer, source-drain electrode layer or capacitance electrode layer.
7. according to any organic light emitting display panel of claim 3 and 6, which is characterized in that
Film layer in the pixel-driving circuit array layer with the first conductor wire same layer setting deviates from the first substrate one
Each insulating layer of side is not overlapped with first conductor wire；
Film layer in the pixel-driving circuit array layer with the second conductor wire same layer setting deviates from the first substrate one
Each insulating layer of side is not overlapped with second conductor wire.
8. organic light emitting display panel according to claim 1, which is characterized in that first conductor wire and described second
The material of conductor wire includes at least one of aluminium, titanium and molybdenum.
9. organic light emitting display panel according to claim 1, which is characterized in that it further include thin-film encapsulation layer, it is described thin
Film encapsulated layer covers the organic light-emitting structure array layer；
First conductor wire and the second conductor wire are between the thin-film encapsulation layer and the first substrate；Or described first
Conductor wire and second conductor wire are located between two layers of film layer of arbitrary neighborhood in the thin-film encapsulation layer.
10. a kind of preparation method of organic light emitting display panel characterized by comprising
One first substrate is provided；
Organic light-emitting structure array layer is formed on the first substrate, and the organic light-emitting structure array layer includes cathode；
The first conductor wire and the second conductor wire are at least formed, the orthographic projection of first conductor wire on the first substrate is enclosed
Around the orthographic projection of the cathode on the first substrate, the orthographic projection of second conductor wire on the first substrate is surrounded
The orthographic projection of first conductor wire on the first substrate, first conductor wire are primary battery anode, and described second leads
Electric wire is primary battery cathode；Or second conductor wire is primary battery anode, first conductor wire is primary battery cathode.
11. the preparation method of organic light emitting display panel according to claim 10, which is characterized in that in the first substrate
Upper formation organic light-emitting structure array layer, before the organic light-emitting structure array layer includes cathode further include:
Form pixel-driving circuit array layer；
Wherein, first conductor wire and the second conductor wire same layer setting and in the pixel-driving circuit array layer
Grid layer, any one layer of same layer setting in source-drain electrode layer or capacitance electrode layer and formed in same technique；Or it is described
First conductor wire and the setting of second conductor wire different layer and respectively with the grid layer in the pixel-driving circuit array layer, source
Identical any two layers of the same layer of material is arranged and is formed in same technique in drain electrode layer or capacitance electrode layer；
Alternatively, first conductor wire and the setting of second conductor wire different layer and respectively with the pixel-driving circuit array layer
In grid layer, any two material different layers same layer setting in source-drain electrode layer or capacitance electrode layer and the shape in same technique
At.
12. the preparation method of organic light emitting display panel according to claim 11, which is characterized in that the pixel driver electricity
Road array layer further includes between the grid layer and capacitance electrode floor, between the capacitance electrode floor and source-drain electrode floor
And the insulating layer on the source-drain electrode layer；The organic light emitting display panel preparation method further include:
Remove be covered in the pixel-driving circuit array layer it is described on first conductor wire and second conductor wire
Insulating layer.
13. a kind of organic light-emitting display device, which is characterized in that aobvious including the organic light emission as described in claim 1-9 is any
Show panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023662.3A CN109686775B (en) | 2019-01-10 | 2019-01-10 | Organic light-emitting display panel, preparation method and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023662.3A CN109686775B (en) | 2019-01-10 | 2019-01-10 | Organic light-emitting display panel, preparation method and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109686775A true CN109686775A (en) | 2019-04-26 |
| CN109686775B CN109686775B (en) | 2021-08-03 |
Family
ID=66192949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910023662.3A Active CN109686775B (en) | 2019-01-10 | 2019-01-10 | Organic light-emitting display panel, preparation method and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109686775B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063049A1 (en) * | 2018-09-30 | 2020-04-02 | 京东方科技集团股份有限公司 | Display panel, preparation method and driving method thereof, and display device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866943A (en) * | 2010-02-26 | 2010-10-20 | 信利半导体有限公司 | Organic light-emitting diode display and packaging method thereof |
| CN105185810A (en) * | 2015-08-07 | 2015-12-23 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method, display panel and display apparatus |
| CN106847867A (en) * | 2017-02-20 | 2017-06-13 | 京东方科技集团股份有限公司 | Organic elctroluminescent device and preparation method thereof and display device |
| CN107219660A (en) * | 2017-07-12 | 2017-09-29 | 厦门天马微电子有限公司 | A kind of array base palte, display panel and display device |
| CN107887526A (en) * | 2017-10-31 | 2018-04-06 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof, display device |
| CN207719213U (en) * | 2018-01-19 | 2018-08-10 | 昆山国显光电有限公司 | Display device |
| CN108447885A (en) * | 2018-01-17 | 2018-08-24 | 上海天马微电子有限公司 | Organic light emitting display panel and display device |
| CN108508643A (en) * | 2018-04-03 | 2018-09-07 | 京东方科技集团股份有限公司 | Display base plate and its manufacturing method, display device |
| CN108550617A (en) * | 2018-06-22 | 2018-09-18 | 武汉天马微电子有限公司 | A kind of display panel and display device |
-
2019
- 2019-01-10 CN CN201910023662.3A patent/CN109686775B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101866943A (en) * | 2010-02-26 | 2010-10-20 | 信利半导体有限公司 | Organic light-emitting diode display and packaging method thereof |
| CN105185810A (en) * | 2015-08-07 | 2015-12-23 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method, display panel and display apparatus |
| CN106847867A (en) * | 2017-02-20 | 2017-06-13 | 京东方科技集团股份有限公司 | Organic elctroluminescent device and preparation method thereof and display device |
| CN107219660A (en) * | 2017-07-12 | 2017-09-29 | 厦门天马微电子有限公司 | A kind of array base palte, display panel and display device |
| CN107887526A (en) * | 2017-10-31 | 2018-04-06 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof, display device |
| CN108447885A (en) * | 2018-01-17 | 2018-08-24 | 上海天马微电子有限公司 | Organic light emitting display panel and display device |
| CN207719213U (en) * | 2018-01-19 | 2018-08-10 | 昆山国显光电有限公司 | Display device |
| CN108508643A (en) * | 2018-04-03 | 2018-09-07 | 京东方科技集团股份有限公司 | Display base plate and its manufacturing method, display device |
| CN108550617A (en) * | 2018-06-22 | 2018-09-18 | 武汉天马微电子有限公司 | A kind of display panel and display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063049A1 (en) * | 2018-09-30 | 2020-04-02 | 京东方科技集团股份有限公司 | Display panel, preparation method and driving method thereof, and display device |
| US11107875B2 (en) | 2018-09-30 | 2021-08-31 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display panel, fabrication and driving method thereof, and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109686775B (en) | 2021-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10263211B2 (en) | Organic light emitting display device and method of manufacturing the same | |
| CN109360900B (en) | Display panel and manufacturing method thereof | |
| TWI578593B (en) | Organic light emitting diode device and method for fabricating the same | |
| US9673266B2 (en) | OLED pixel structure and method for manufacturing the same, OLED display panel and OLED display device | |
| CN109755280B (en) | Organic light-emitting display panel, preparation method, cathode mask plate and display device | |
| US7545097B2 (en) | Organic electroluminescence device and method for manufacturing same | |
| TW200418335A (en) | Organic electroluminescent device and method of fabricating the same | |
| CN109524437B (en) | OLED structure, preparation method thereof, display panel and electronic equipment | |
| JP2006164972A (en) | Organic el display and its manufacturing method | |
| CN108511506A (en) | A kind of oled substrate and display panel | |
| CN104752476A (en) | Organic Light Emitting Display Device and Method of Manufacturing the Same | |
| CN113937236B (en) | Display substrate, preparation method thereof and display device | |
| JP2004103582A (en) | Organic el display pannel and its manufacturing method | |
| CN108598145B (en) | Organic light-emitting display panel and organic light-emitting display device | |
| WO2023125878A1 (en) | Display panel and manufacturing method therefor | |
| JP2005056846A (en) | Organic electroluminescence device and its manufacturing method | |
| JP2006004930A (en) | Organic electroluminescent display element and manufacturing method of the same | |
| CN211125656U (en) | Display mother board, display substrate and display device | |
| CN104752464B (en) | A kind of organic light-emitting display device and preparation method thereof | |
| CN110164942A (en) | A kind of display panel and preparation method thereof, display device | |
| CN109686775A (en) | A kind of organic light emitting display panel, preparation method and display device | |
| CN110718572B (en) | Organic electroluminescent display substrate, preparation method thereof and display device | |
| CN109461834B (en) | Light emitting display device, manufacturing method thereof and electronic equipment | |
| CN112750884B (en) | Display panel and display device | |
| CN107968155B (en) | Organic electroluminescent device and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |